diff options
Diffstat (limited to 'hl/src')
| -rw-r--r-- | hl/src/Dependencies | 14 | ||||
| -rw-r--r-- | hl/src/H5HL.h | 25 | ||||
| -rw-r--r-- | hl/src/H5IM.c | 1264 | ||||
| -rw-r--r-- | hl/src/H5IM.h | 91 | ||||
| -rw-r--r-- | hl/src/H5LT.c | 2716 | ||||
| -rw-r--r-- | hl/src/H5LT.h | 374 | ||||
| -rw-r--r-- | hl/src/H5TA.c | 3689 | ||||
| -rw-r--r-- | hl/src/H5TA.h | 246 | ||||
| -rw-r--r-- | hl/src/Makefile.in | 34 |
9 files changed, 8453 insertions, 0 deletions
diff --git a/hl/src/Dependencies b/hl/src/Dependencies new file mode 100644 index 0000000..2218168 --- /dev/null +++ b/hl/src/Dependencies @@ -0,0 +1,14 @@ +## This file is machine generated on GNU systems. +## Only temporary changes may be made here. + +H5IM.lo: \ + $(srcdir)/H5IM.c \ + $(srcdir)/H5IM.h \ + $(srcdir)/H5LT.h +H5LT.lo: \ + $(srcdir)/H5LT.c \ + $(srcdir)/H5LT.h +H5TB.lo: \ + $(srcdir)/H5TB.c \ + $(srcdir)/H5TB.h \ + $(srcdir)/H5LT.h diff --git a/hl/src/H5HL.h b/hl/src/H5HL.h new file mode 100644 index 0000000..3b3d67b --- /dev/null +++ b/hl/src/H5HL.h @@ -0,0 +1,25 @@ + +/**************************************************************************** + * NCSA HDF * + * Scientific Data Technologies * + * National Center for Supercomputing Applications * + * University of Illinois at Urbana-Champaign * + * 605 E. Springfield, Champaign IL 61820 * + * * + * For conditions of distribution and use, see the accompanying * + * hdf/COPYING file. * + * * + ****************************************************************************/ + + +#ifndef _H5HL_H +#define _H5HL_H + +#include "H5LT.h" +#include "H5IM.h" +#include "H5TA.h" + + + +#endif + diff --git a/hl/src/H5IM.c b/hl/src/H5IM.c new file mode 100644 index 0000000..a2b8172 --- /dev/null +++ b/hl/src/H5IM.c @@ -0,0 +1,1264 @@ +/**************************************************************************** + * NCSA HDF * + * Scientific Data Technologies * + * National Center for Supercomputing Applications * + * University of Illinois at Urbana-Champaign * + * 605 E. Springfield, Champaign IL 61820 * + * * + * For conditions of distribution and use, see the accompanying * + * hdf/COPYING file. * + * * + ****************************************************************************/ + +#include "H5IM.h" + +#include <string.h> +#include <stdlib.h> + + +/*------------------------------------------------------------------------- + * Function: H5IMmake_image_8bit + * + * Purpose: Creates and writes an image an 8 bit image + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: June 13, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMmake_image_8bit( hid_t loc_id, + const char *dset_name, + hsize_t width, + hsize_t height, + const unsigned char *buffer ) +{ + int rank = 3; + hsize_t dims[3]; + + /* Initialize the image dimensions */ + dims[0] = height; + dims[1] = width; + dims[2] = 1; + + /* Make the dataset */ + if ( H5LTmake_dataset( loc_id, dset_name, rank, dims, H5T_NATIVE_UCHAR, buffer ) < 0 ) + return -1; + + /* Attach the CLASS attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "CLASS", "IMAGE" ) < 0 ) + return -1; + + /* Attach the VERSION attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "IMAGE_VERSION", "1.2" ) < 0 ) + return -1; + + /* Attach the IMAGE_SUBCLASS attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "IMAGE_SUBCLASS", "IMAGE_INDEXED" ) < 0 ) + return -1; + + return 0; +} + + + +/*------------------------------------------------------------------------- + * Function: H5IMmake_image_24bit + * + * Purpose: + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: June 13, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Interlace Mode Dimensions in the Dataspace + * INTERLACE_PIXEL [height][width][pixel components] + * INTERLACE_PLANE [pixel components][height][width] + * + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMmake_image_24bit( hid_t loc_id, + const char *dset_name, + hsize_t width, + hsize_t height, + const char *interlace, + const unsigned char *buffer ) +{ + int rank = 3; + hsize_t dims[3]; + + /* Initialize the image dimensions */ + + if ( strcmp( interlace, "INTERLACE_PIXEL" ) == 0 ) + { + /* Number of color planes is defined as the third dimension */ + dims[0] = height; + dims[1] = width; + dims[2] = 3; + } + else + if ( strcmp( interlace, "INTERLACE_PLANE" ) == 0 ) + { + /* Number of color planes is defined as the first dimension */ + dims[0] = 3; + dims[1] = height; + dims[2] = width; + } + else return -1; + + /* Make the dataset */ + if ( H5LTmake_dataset( loc_id, dset_name, rank, dims, H5T_NATIVE_UCHAR, buffer ) < 0 ) + return -1; + + /* Attach the CLASS attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "CLASS", "IMAGE" ) < 0 ) + return -1; + + /* Attach the VERSION attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "IMAGE_VERSION", "1.2" ) < 0 ) + return -1; + + /* Attach the IMAGE_SUBCLASS attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "IMAGE_SUBCLASS", "IMAGE_TRUECOLOR" ) < 0 ) + return -1; + + /* Attach the INTERLACE_MODE attribute. This attributes is only for true color images */ + if ( H5LTset_attribute_string( loc_id, dset_name, "INTERLACE_MODE", interlace ) < 0 ) + return -1; + + return 0; + +} + + + +/*------------------------------------------------------------------------- + * Function: find_palette + * + * Purpose: operator function used by H5LT_find_palette + * + * Return: + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: May 28, 2001 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +static herr_t find_palette( hid_t loc_id, const char *name, void *op_data ) +{ + + /* Define a default zero value for return. This will cause the iterator to continue if + * the palette attribute is not found yet. + */ + + int ret = 0; + + /* Shut compiler */ + loc_id=loc_id; + op_data=op_data; + + /* Define a positive value for return value if the attribute was found. This will + * cause the iterator to immediately return that positive value, + * indicating short-circuit success + */ + + if( strcmp( name, "PALETTE" ) == 0 ) + ret = 1; + + + return ret; +} + + +/*------------------------------------------------------------------------- + * Function: H5IM_find_palette + * + * Purpose: Private function. Find the attribute "PALETTE" in the image dataset + * + * Return: Success: 1, Failure: 0 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: May 11, 2001 + * + * Comments: + * The function uses H5Aiterate with the operator function find_palette + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +static herr_t H5IM_find_palette( hid_t loc_id ) +{ + + unsigned int attr_num; /* Starting attribute to look up */ + herr_t ret; + + attr_num = 0; + ret = H5Aiterate( loc_id, &attr_num, find_palette, 0 ); + + return ret; +} + + +/*------------------------------------------------------------------------- + * Function: H5IMget_image_info + * + * Purpose: Gets information about an image dataset (dimensions, interlace mode + * and number of associated palettes). + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: July 25, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMget_image_info( hid_t loc_id, + const char *dset_name, + hsize_t *width, + hsize_t *height, + hsize_t *planes, + char *interlace, + hssize_t *npals ) +{ + hid_t did, sid; + hsize_t dims[3]; + hid_t attr_id; + hid_t attr_type; + int has_attr; + hid_t attr_space_id; + hid_t attr_class; + int has_pal; + + /*assume initially we have no palettes attached*/ + *npals = 0; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Try to find the attribute "INTERLACE_MODE" on the >>image<< dataset */ + has_attr = H5LT_find_attribute( did, "INTERLACE_MODE" ); + + /* It exists, get it */ + if ( has_attr == 1 ) + { + + if ( (attr_id = H5Aopen_name( did, "INTERLACE_MODE" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( H5Aread( attr_id, attr_type, interlace ) < 0 ) + goto out; + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + } + + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Get dimensions */ + if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) + goto out; + + /* Initialize the image dimensions */ + + if ( has_attr == 1 ) + /* This is a 24 bit image */ + { + + if ( strcmp( interlace, "INTERLACE_PIXEL" ) == 0 ) + { + /* Number of color planes is defined as the third dimension */ + *height = dims[0]; + *width = dims[1]; + *planes = dims[2]; + } + else + if ( strcmp( interlace, "INTERLACE_PLANE" ) == 0 ) + { + /* Number of color planes is defined as the first dimension */ + *planes = dims[0]; + *height = dims[1]; + *width = dims[2]; + } + else return -1; + } + else + /* This is a 8 bit image */ + { + *height = dims[0]; + *width = dims[1]; + *planes = dims[2]; + } + + /* Close */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + + /* Get number of palettes */ + + + /* Try to find the attribute "PALETTE" on the >>image<< dataset */ + has_pal = H5IM_find_palette( did ); + + if ( has_pal == 1 ) + { + + if ( (attr_id = H5Aopen_name( did, "PALETTE" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( (attr_class = H5Tget_class( attr_type )) < 0 ) + goto out; + + /* Check if it is really a reference */ + + if ( attr_class == H5T_REFERENCE ) + { + + /* Get the reference(s) */ + + if ( (attr_space_id = H5Aget_space( attr_id )) < 0 ) + goto out; + + *npals = H5Sget_simple_extent_npoints( attr_space_id ); + + if ( H5Sclose( attr_space_id ) < 0 ) + goto out; + + } /* H5T_REFERENCE */ + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + /* Close the attribute. */ + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + } + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) < 0 ) + goto out; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5IMread_image + * + * Purpose: Reads image data from disk. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: June 13, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMread_image( hid_t loc_id, + const char *dset_name, + unsigned char *buffer ) +{ + hid_t did; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Read */ + if ( H5Dread( did, H5T_NATIVE_UCHAR, H5S_ALL, H5S_ALL, H5P_DEFAULT, buffer ) < 0 ) + goto out; + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5IMmake_palette + * + * Purpose: Creates and writes a palette. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: May 01, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMmake_palette( hid_t loc_id, + const char *pal_name, + const hsize_t *pal_dims, + const unsigned char *pal_data ) + +{ + + int has_pal; + + /* Check if the dataset already exists */ + has_pal = H5LTfind_dataset( loc_id, pal_name ); + + /* It exists. Return */ + if ( has_pal == 1 ) + return 0; + + /* Make the palette dataset. */ + if ( H5LTmake_dataset( loc_id, pal_name, 2, pal_dims, H5T_NATIVE_UCHAR, pal_data ) < 0 ) + return -1; + + /* Attach the attribute "CLASS" to the >>palette<< dataset*/ + if ( H5LTset_attribute_string( loc_id, pal_name, "CLASS", "PALETTE" ) < 0 ) + return -1; + + /* Attach the attribute "PAL_VERSION" to the >>palette<< dataset*/ + if ( H5LTset_attribute_string( loc_id, pal_name, "PAL_VERSION", "1.2" ) < 0 ) + return -1; + + return 0; + +} + + +/*------------------------------------------------------------------------- + * Function: H5IMlink_palette + * + * Purpose: This function attaches a palette to an existing image dataset + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: May 01, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * An image (dataset) within an HDF5 file may optionally specify an array of + * palettes to be viewed with. The dataset will have an attribute + * which contains an array of object reference pointers which refer to palettes in the file. + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMlink_palette( hid_t loc_id, + const char *image_name, + const char *pal_name ) + +{ + + hid_t image_id; + hid_t attr_type; + hid_t attr_id; + hid_t attr_space_id; + hid_t attr_class; + hobj_ref_t ref; /* write a new reference */ + hobj_ref_t *refbuf; /* buffer to read references */ + hssize_t n_refs; + hsize_t dim_ref; + int ok_pal, has_pal; + + /* Try to find the palette dataset */ + has_pal = H5LTfind_dataset( loc_id, pal_name ); + + /* The image dataset may or not have the attribute "PALETTE" + * First we try to open to see if it is already there; if not, it is created. + * If it exists, the array of references is extended to hold the reference + * to the new palette + */ + + /* First we get the image id */ + if ( (image_id = H5Dopen( loc_id, image_name )) < 0 ) + return -1; + + /* Try to find the attribute "PALETTE" on the >>image<< dataset */ + ok_pal = H5LT_find_attribute( image_id, "PALETTE" ); + + /* It does not exist. We create the attribute and one reference */ + if ( ok_pal == 0 ) + { + + if ( (attr_space_id = H5Screate( H5S_SCALAR )) < 0 ) + goto out; + + /* Create the attribute type for the reference */ + if ( (attr_type = H5Tcopy( H5T_STD_REF_OBJ )) < 0 ) + goto out; + + /* Create the attribute "PALETTE" to be attached to the image*/ + if ( (attr_id = H5Acreate( image_id, "PALETTE", attr_type, attr_space_id, H5P_DEFAULT )) < 0 ) + goto out; + + /* Create a reference. The reference is created on the local id. */ + if ( H5Rcreate( &ref, loc_id, pal_name, H5R_OBJECT, -1 ) < 0 ) + goto out; + + /* Write the attribute with the reference */ + if ( H5Awrite( attr_id, attr_type, &ref ) < 0 ) + goto out; + + if ( H5Sclose( attr_space_id ) < 0 ) + goto out; + + } + + /* The attribute already exists, open it */ + + else if ( ok_pal == 1 ) + + { + + if ( (attr_id = H5Aopen_name( image_id, "PALETTE" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( (attr_class = H5Tget_class( attr_type )) < 0 ) + goto out; + + /* Check if it is really a reference */ + + if ( attr_class == H5T_REFERENCE ) + { + + /* Get and save the old reference(s) */ + + if ( (attr_space_id = H5Aget_space( attr_id )) < 0 ) + goto out; + + n_refs = H5Sget_simple_extent_npoints( attr_space_id ); + + dim_ref = n_refs + 1; + + refbuf = malloc( sizeof(hobj_ref_t) * (int)dim_ref ); + + if ( H5Aread( attr_id, attr_type, refbuf ) < 0 ) + goto out; + + if ( H5Sclose( attr_space_id ) < 0 ) + goto out; + + /* The attribute must be deleted, in order to the new one can reflect the changes*/ + if ( H5Adelete( image_id, "PALETTE" ) < 0 ) + goto out; + + /* Create a new reference for this palette. */ + if ( H5Rcreate( &ref, loc_id, pal_name, H5R_OBJECT, -1 ) < 0 ) + goto out; + + refbuf[n_refs] = ref; + + /* Create the data space for the new references */ + if ( (attr_space_id = H5Screate_simple( 1, &dim_ref, NULL )) < 0 ) + goto out; + + /* Create the attribute again with the changes of space */ + if ( (attr_id = H5Acreate( image_id, "PALETTE", attr_type, attr_space_id, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the attribute with the new references */ + if ( H5Awrite( attr_id, attr_type, refbuf ) < 0 ) + goto out; + + if ( H5Sclose( attr_space_id ) < 0 ) + goto out; + + free( refbuf ); + + } /* H5T_REFERENCE */ + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + /* Close the attribute. */ + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + } + + /* Close the image dataset. */ + if ( H5Dclose( image_id ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( image_id ); + return -1; +} + + + +/*------------------------------------------------------------------------- + * Function: H5IMunlink_palette + * + * Purpose: This function dettaches a palette from an existing image dataset + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 10, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMunlink_palette( hid_t loc_id, + const char *image_name, + const char *pal_name ) +{ + hid_t image_id; + hid_t attr_type; + hid_t attr_id; + hid_t attr_class; + int ok_pal, has_pal; + + /* Try to find the palette dataset */ + has_pal = H5LTfind_dataset( loc_id, pal_name ); + + /* It does not exist. Return */ + if ( has_pal == 0 ) + return -1; + + /* The image dataset may or not have the attribute "PALETTE" + * First we try to open to see if it is already there; if not, it is created. + * If it exists, the array of references is extended to hold the reference + * to the new palette + */ + + /* First we get the image id */ + if ( (image_id = H5Dopen( loc_id, image_name )) < 0 ) + return -1; + + /* Try to find the attribute "PALETTE" on the >>image<< dataset */ + ok_pal = H5LT_find_attribute( image_id, "PALETTE" ); + + /* It does not exist. Nothing to do */ + if ( ok_pal == 0 ) + return -1; + + /* The attribute exists, open it */ + else if ( ok_pal == 1 ) + { + if ( (attr_id = H5Aopen_name( image_id, "PALETTE" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( (attr_class = H5Tget_class( attr_type )) < 0 ) + goto out; + + /* Check if it is really a reference */ + if ( attr_class == H5T_REFERENCE ) + { + + /* Deelete the attribute */ + if ( H5Adelete( image_id, "PALETTE" ) < 0 ) + goto out; + + } /* H5T_REFERENCE */ + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + /* Close the attribute. */ + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + } /* ok_pal */ + + /* Close the image dataset. */ + if ( H5Dclose( image_id ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( image_id ); + return -1; +} + + +/*------------------------------------------------------------------------- + * Function: H5IMget_npalettes + * + * Purpose: Gets the number of palettes associated to an image + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: July 22, 2001 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMget_npalettes( hid_t loc_id, + const char *image_name, + hssize_t *npals ) +{ + hid_t image_id; + hid_t attr_type; + hid_t attr_id; + hid_t attr_space_id; + hid_t attr_class; + int has_pal; + + /*assume initially we have no palettes attached*/ + *npals = 0; + + /* Open the dataset. */ + if ( (image_id = H5Dopen( loc_id, image_name )) < 0 ) + return -1; + + /* Try to find the attribute "PALETTE" on the >>image<< dataset */ + has_pal = H5IM_find_palette( image_id ); + + if ( has_pal == 1 ) + { + + if ( (attr_id = H5Aopen_name( image_id, "PALETTE" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( (attr_class = H5Tget_class( attr_type )) < 0 ) + goto out; + + /* Check if it is really a reference */ + + if ( attr_class == H5T_REFERENCE ) + { + if ( (attr_space_id = H5Aget_space( attr_id )) < 0 ) + goto out; + + *npals = H5Sget_simple_extent_npoints( attr_space_id ); + + if ( H5Sclose( attr_space_id ) < 0 ) + goto out; + + } /* H5T_REFERENCE */ + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + /* Close the attribute. */ + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + } + + /* Close the image dataset. */ + if ( H5Dclose( image_id ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( image_id ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5IMget_palette_info + * + * Purpose: Get palette information + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: July 22, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMget_palette_info( hid_t loc_id, + const char *image_name, + int pal_number, + hsize_t *pal_dims ) +{ + hid_t image_id; + int has_pal; + hid_t attr_type; + hid_t attr_id; + hid_t attr_space_id; + hid_t attr_class; + hssize_t n_refs; + hsize_t dim_ref; + hobj_ref_t *refbuf; /* buffer to read references */ + hid_t pal_id; + int rank; + hid_t pal_space_id; + hsize_t pal_maxdims[2]; + + /* Open the dataset. */ + if ( (image_id = H5Dopen( loc_id, image_name )) < 0 ) + return -1; + + /* Try to find the attribute "PALETTE" on the >>image<< dataset */ + has_pal = H5IM_find_palette( image_id ); + + if ( has_pal == 1 ) + { + + if ( (attr_id = H5Aopen_name( image_id, "PALETTE" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( (attr_class = H5Tget_class( attr_type )) < 0 ) + goto out; + + /* Check if it is really a reference */ + + if ( attr_class == H5T_REFERENCE ) + { + + /* Get the reference(s) */ + + if ( (attr_space_id = H5Aget_space( attr_id )) < 0 ) + goto out; + + n_refs = H5Sget_simple_extent_npoints( attr_space_id ); + + dim_ref = n_refs; + + refbuf = malloc( sizeof(hobj_ref_t) * (int)dim_ref ); + + if ( H5Aread( attr_id, attr_type, refbuf ) < 0 ) + goto out; + + /* Get the actual palette */ + + if ( (pal_id = H5Rdereference( image_id, H5R_OBJECT, &refbuf[pal_number] )) < 0 ) + goto out; + + if ( (pal_space_id = H5Dget_space( pal_id )) < 0 ) + goto out; + + if ( (rank = H5Sget_simple_extent_ndims( pal_space_id )) < 0 ) + goto out; + + if ( H5Sget_simple_extent_dims( pal_space_id, pal_dims, pal_maxdims ) < 0 ) + goto out; + + if ( H5Sclose( pal_space_id ) < 0 ) + goto out; + + if ( H5Sclose( attr_space_id ) < 0 ) + goto out; + + free( refbuf ); + + } /* H5T_REFERENCE */ + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + /* Close the attribute. */ + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + } + + /* Close the image dataset. */ + if ( H5Dclose( image_id ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( image_id ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5IMget_palette + * + * Purpose: Read palette + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: August 30, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMget_palette( hid_t loc_id, + const char *image_name, + int pal_number, + unsigned char *pal_data ) +{ + hid_t image_id; + int has_pal; + hid_t attr_type; + hid_t attr_id; + hid_t attr_space_id; + hid_t attr_class; + hssize_t n_refs; + hsize_t dim_ref; + hobj_ref_t *refbuf; /* buffer to read references */ + hid_t pal_id; + + /* Open the dataset. */ + if ( (image_id = H5Dopen( loc_id, image_name )) < 0 ) + return -1; + + /* Try to find the attribute "PALETTE" on the >>image<< dataset */ + has_pal = H5IM_find_palette( image_id ); + + if ( has_pal == 1 ) + { + + if ( (attr_id = H5Aopen_name( image_id, "PALETTE" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( (attr_class = H5Tget_class( attr_type )) < 0 ) + goto out; + + /* Check if it is really a reference */ + + if ( attr_class == H5T_REFERENCE ) + { + + /* Get the reference(s) */ + + if ( (attr_space_id = H5Aget_space( attr_id )) < 0 ) + goto out; + + n_refs = H5Sget_simple_extent_npoints( attr_space_id ); + + dim_ref = n_refs; + + refbuf = malloc( sizeof(hobj_ref_t) * (int)dim_ref ); + + if ( H5Aread( attr_id, attr_type, refbuf ) < 0 ) + goto out; + + /* Get the palette id */ + if ( (pal_id = H5Rdereference( image_id, H5R_OBJECT, &refbuf[pal_number] )) < 0 ) + goto out; + + /* Read the palette dataset */ + if ( H5Dread( pal_id, H5Dget_type(pal_id), H5S_ALL, H5S_ALL, H5P_DEFAULT, pal_data ) < 0 ) + goto out; + + if ( H5Sclose( attr_space_id ) < 0 ) + goto out; + + free( refbuf ); + + } /* H5T_REFERENCE */ + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + /* Close the attribute. */ + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + } + + + /* Close the image dataset. */ + if ( H5Dclose( image_id ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( image_id ); + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: H5IMis_image + * + * Purpose: + * + * Return: true, false, fail + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: August 30, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMis_image( hid_t loc_id, + const char *dset_name ) +{ + hid_t did; + int has_class; + hid_t attr_type; + hid_t attr_id; + hid_t attr_class; + char attr_data[20]; + herr_t ret; + + /* Assume initially fail condition */ + ret = -1; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Try to find the attribute "CLASS" on the dataset */ + has_class = H5LT_find_attribute( did, "CLASS" ); + + if ( has_class == 0 ) + { + H5Dclose( did ); + return 0; + } + + else if ( has_class == 1 ) + { + + if ( (attr_id = H5Aopen_name( did, "CLASS" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( (attr_class = H5Tget_class( attr_type )) < 0 ) + goto out; + + if ( H5Aread( attr_id, attr_type, attr_data ) < 0 ) + goto out; + + if( strcmp( attr_data, "IMAGE" ) == 0 ) + ret = 1; + else + ret = 0; + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + } + + /* Close the dataset. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + return ret; + +out: + H5Dclose( did ); + return -1; + +} + + + +/*------------------------------------------------------------------------- + * Function: H5IMis_palette + * + * Purpose: + * + * Return: true, false, fail + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: August 30, 2001 + * + * Comments: + * based on HDF5 Image and Palette Specification + * http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageSpec.html + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5IMis_palette( hid_t loc_id, + const char *dset_name ) +{ + hid_t did; + int has_class; + hid_t attr_type; + hid_t attr_id; + hid_t attr_class; + char attr_data[20]; + herr_t ret; + + /* Assume initially fail condition */ + ret = -1; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Try to find the attribute "CLASS" on the dataset */ + has_class = H5LT_find_attribute( did, "CLASS" ); + + if ( has_class == 0 ) + { + H5Dclose( did ); + return 0; + } + + else if ( has_class == 1 ) + { + + if ( (attr_id = H5Aopen_name( did, "CLASS" )) < 0 ) + goto out; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( (attr_class = H5Tget_class( attr_type )) < 0 ) + goto out; + + if ( H5Aread( attr_id, attr_type, attr_data ) < 0 ) + goto out; + + if( strcmp( attr_data, "PALETTE" ) == 0 ) + ret = 1; + else + ret = 0; + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + } + + /* Close the dataset. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + return ret; + +out: + H5Dclose( did ); + return -1; + +} diff --git a/hl/src/H5IM.h b/hl/src/H5IM.h new file mode 100644 index 0000000..db79222 --- /dev/null +++ b/hl/src/H5IM.h @@ -0,0 +1,91 @@ + +/**************************************************************************** + * NCSA HDF * + * Scientific Data Technologies * + * National Center for Supercomputing Applications * + * University of Illinois at Urbana-Champaign * + * 605 E. Springfield, Champaign IL 61820 * + * * + * For conditions of distribution and use, see the accompanying * + * hdf/COPYING file. * + * * + ****************************************************************************/ + + +#ifndef _H5IM_H +#define _H5IM_H + +#include "H5LT.h" + +#ifdef __cplusplus +extern "C" { +#endif + + + +herr_t H5IMmake_image_8bit( hid_t loc_id, + const char *dset_name, + hsize_t width, + hsize_t height, + const unsigned char *buffer ); + +herr_t H5IMmake_image_24bit( hid_t loc_id, + const char *dset_name, + hsize_t width, + hsize_t height, + const char *interlace, + const unsigned char *buffer ); + +herr_t H5IMget_image_info( hid_t loc_id, + const char *dset_name, + hsize_t *width, + hsize_t *height, + hsize_t *planes, + char *interlace, + hssize_t *npals ); + +herr_t H5IMread_image( hid_t loc_id, + const char *dset_name, + unsigned char *buffer ); + + + +herr_t H5IMmake_palette( hid_t loc_id, + const char *pal_name, + const hsize_t *pal_dims, + const unsigned char *pal_data ); + +herr_t H5IMlink_palette( hid_t loc_id, + const char *image_name, + const char *pal_name ); + +herr_t H5IMunlink_palette( hid_t loc_id, + const char *image_name, + const char *pal_name ); + +herr_t H5IMget_npalettes( hid_t loc_id, + const char *image_name, + hssize_t *npals ); + +herr_t H5IMget_palette_info( hid_t loc_id, + const char *image_name, + int pal_number, + hsize_t *pal_dims ); + + +herr_t H5IMget_palette( hid_t loc_id, + const char *image_name, + int pal_number, + unsigned char *pal_data ); + +herr_t H5IMis_image( hid_t loc_id, + const char *dset_name ); + +herr_t H5IMis_palette( hid_t loc_id, + const char *dset_name ); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/hl/src/H5LT.c b/hl/src/H5LT.c new file mode 100644 index 0000000..c8ac099 --- /dev/null +++ b/hl/src/H5LT.c @@ -0,0 +1,2716 @@ +/**************************************************************************** + * NCSA HDF * + * Scientific Data Technologies * + * National Center for Supercomputing Applications * + * University of Illinois at Urbana-Champaign * + * 605 E. Springfield, Champaign IL 61820 * + * * + * For conditions of distribution and use, see the accompanying * + * hdf/COPYING file. * + * * + ****************************************************************************/ + +#include "H5LT.h" +#include <string.h> +#include <stdlib.h> + +/*------------------------------------------------------------------------- + * + * Private functions + * + *------------------------------------------------------------------------- + */ + +herr_t H5LT_open_id( hid_t loc_id, + const char *obj_name, + int obj_type ); + +herr_t H5LT_close_id( hid_t obj_id, + int obj_type ); + +/*------------------------------------------------------------------------- + * + * Public functions + * + *------------------------------------------------------------------------- + */ + +/*------------------------------------------------------------------------- + * Function: H5LTmake_dataset + * + * Purpose: Creates and writes a dataset of a type tid + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 19, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTmake_dataset( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + hid_t tid, + const void *data ) +{ + + hid_t did, sid; + + /* Create the data space for the dataset. */ + if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) + return -1; + + /* Create the dataset. */ + if ( (did = H5Dcreate( loc_id, dset_name, tid, sid, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the dataset only if there is data to write */ + + if ( data ) + { + if ( H5Dwrite( did, tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + } + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* Terminate access to the data space. */ + if ( H5Sclose( sid ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Sclose( sid ); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5LTmake_dataset_char + * + * Purpose: Creates and writes a dataset of H5T_NATIVE_CHAR type + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 14, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTmake_dataset_char( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const char *data ) +{ + + hid_t did, sid; + + /* Create the data space for the dataset. */ + if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) + return -1; + + /* Create the dataset. */ + if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_CHAR, sid, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the dataset only if there is data to write */ + + if ( data ) + { + if ( H5Dwrite( did, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + } + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* Terminate access to the data space. */ + if ( H5Sclose( sid ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Sclose( sid ); + return -1; +} + + +/*------------------------------------------------------------------------- + * Function: H5LTmake_dataset_short + * + * Purpose: Creates and writes a dataset of H5T_NATIVE_SHORT type + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 14, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTmake_dataset_short( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const short *data ) +{ + + hid_t did, sid; + + /* Create the data space for the dataset. */ + if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) + return -1; + + /* Create the dataset. */ + if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_SHORT, sid, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the dataset only if there is data to write */ + + if ( data ) + { + if ( H5Dwrite( did, H5T_NATIVE_SHORT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + } + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* Terminate access to the data space. */ + if ( H5Sclose( sid ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Sclose( sid ); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5LTmake_dataset_int + * + * Purpose: Creates and writes a dataset of H5T_NATIVE_INT type + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 14, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTmake_dataset_int( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const int *data ) +{ + + hid_t did, sid; + + /* Create the data space for the dataset. */ + if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) + return -1; + + /* Create the dataset. */ + if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_INT, sid, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the dataset only if there is data to write */ + + if ( data ) + { + if ( H5Dwrite( did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + } + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* Terminate access to the data space. */ + if ( H5Sclose( sid ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Sclose( sid ); + return -1; +} + + + +/*------------------------------------------------------------------------- + * Function: H5LTmake_dataset_long + * + * Purpose: Creates and writes a dataset of H5T_NATIVE_LONG type + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 14, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTmake_dataset_long( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const long *data ) +{ + + hid_t did, sid; + + /* Create the data space for the dataset. */ + if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) + return -1; + + /* Create the dataset. */ + if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_LONG, sid, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the dataset only if there is data to write */ + + if ( data ) + { + if ( H5Dwrite( did, H5T_NATIVE_LONG, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + } + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* Terminate access to the data space. */ + if ( H5Sclose( sid ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Sclose( sid ); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5LTmake_dataset_float + * + * Purpose: Creates and writes a dataset of H5T_NATIVE_FLOAT type + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 14, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTmake_dataset_float( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const float *data ) +{ + + hid_t did, sid; + + /* Create the data space for the dataset. */ + if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) + return -1; + + /* Create the dataset. */ + if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_FLOAT, sid, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the dataset only if there is data to write */ + + if ( data ) + { + if ( H5Dwrite( did, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + } + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* Terminate access to the data space. */ + if ( H5Sclose( sid ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Sclose( sid ); + return -1; +} + + + +/*------------------------------------------------------------------------- + * Function: H5LTmake_dataset_double + * + * Purpose: Creates and writes a dataset of H5T_NATIVE_DOUBLE type + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 14, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTmake_dataset_double( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const double *data ) +{ + + hid_t did, sid; + + /* Create the data space for the dataset. */ + if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) + return -1; + + /* Create the dataset. */ + if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_DOUBLE, sid, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the dataset only if there is data to write */ + + if ( data ) + { + if ( H5Dwrite( did, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + } + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* Terminate access to the data space. */ + if ( H5Sclose( sid ) < 0 ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Sclose( sid ); + return -1; +} + + +/*------------------------------------------------------------------------- + * Function: H5LTmake_dataset_string + * + * Purpose: Creates and writes a dataset of H5T_C_S1 type + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: October 05, 2004 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTmake_dataset_string(hid_t loc_id, + const char *dset_name, + const char *buf ) +{ + + hid_t did=-1; + hid_t sid=-1; + hid_t tid; + size_t size; + + /* create a string data type */ + if ( (tid = H5Tcopy( H5T_C_S1 )) < 0 ) + goto out; + + size = strlen(buf) + 1; /* extra null term */ + + if ( H5Tset_size(tid,size) < 0 ) + goto out; + + if ( H5Tset_strpad(tid,H5T_STR_NULLTERM ) < 0 ) + goto out; + + /* Create the data space for the dataset. */ + if ( (sid = H5Screate( H5S_SCALAR )) < 0 ) + goto out; + + /* Create the dataset. */ + if ( (did = H5Dcreate(loc_id,dset_name,tid,sid,H5P_DEFAULT)) < 0 ) + goto out; + + /* Write the dataset only if there is data to write */ + + if (buf) + { + if ( H5Dwrite(did,tid,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf) < 0 ) + goto out; + } + + /* close*/ + if ( H5Dclose(did) < 0 ) + return -1; + if ( H5Sclose(sid) < 0 ) + return -1; + if ( H5Tclose(tid) < 0 ) + goto out; + + return 0; + +out: + H5Dclose(did); + H5Tclose(tid); + H5Sclose(sid); + return -1; +} + + +/*------------------------------------------------------------------------- + * Function: H5LTread_dataset + * + * Purpose: Reads a dataset from disk. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: June 13, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset( hid_t loc_id, + const char *dset_name, + hid_t tid, + void *data ) +{ + hid_t did; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Read */ + if ( H5Dread( did, tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTread_dataset_char + * + * Purpose: Reads a dataset from disk. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 5, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset_char( hid_t loc_id, + const char *dset_name, + char *data ) +{ + hid_t did; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Read */ + if ( H5Dread( did, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTread_dataset_short + * + * Purpose: Reads a dataset from disk. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 5, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset_short( hid_t loc_id, + const char *dset_name, + short *data ) +{ + hid_t did; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Read */ + if ( H5Dread( did, H5T_NATIVE_SHORT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTread_dataset_int + * + * Purpose: Reads a dataset from disk. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 5, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset_int( hid_t loc_id, + const char *dset_name, + int *data ) +{ + hid_t did; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Read */ + if ( H5Dread( did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTread_dataset_long + * + * Purpose: Reads a dataset from disk. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 5, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset_long( hid_t loc_id, + const char *dset_name, + long *data ) +{ + hid_t did; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Read */ + if ( H5Dread( did, H5T_NATIVE_LONG, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTread_dataset_float + * + * Purpose: Reads a dataset from disk. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 5, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset_float( hid_t loc_id, + const char *dset_name, + float *data ) +{ + hid_t did; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Read */ + if ( H5Dread( did, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTread_dataset_double + * + * Purpose: Reads a dataset from disk. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 5, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset_double( hid_t loc_id, + const char *dset_name, + double *data ) +{ + hid_t did; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Read */ + if ( H5Dread( did, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* End access to the dataset and release resources used by it. */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTread_dataset_string + * + * Purpose: Reads a dataset + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: October 05, 2004 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset_string( hid_t loc_id, + const char *dset_name, + char *buf ) +{ + hid_t did; + hid_t tid; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + if ( (tid = H5Dget_type(did)) < 0 ) + goto out; + + /* Read */ + if ( H5Dread(did,tid,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf) < 0 ) + goto out; + + /* close */ + if ( H5Dclose(did) ) + goto out; + if ( H5Tclose(tid) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Tclose( tid ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTget_dataset_ndims + * + * Purpose: Gets the dimensionality of a dataset. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 4, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTget_dataset_ndims( hid_t loc_id, + const char *dset_name, + int *rank ) +{ + hid_t did; + hid_t sid; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Get rank */ + if ( (*rank = H5Sget_simple_extent_ndims( sid )) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Dclose( did ); + H5Sclose( sid ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTget_dataset_info + * + * Purpose: Gets information about a dataset. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 4, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTget_dataset_info( hid_t loc_id, + const char *dset_name, + hsize_t *dims, + H5T_class_t *type_class, + size_t *type_size ) +{ + hid_t did; + hid_t tid; + hid_t sid; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get an identifier for the datatype. */ + tid = H5Dget_type( did ); + + /* Get the class. */ + *type_class = H5Tget_class( tid ); + + /* Get the size. */ + *type_size = H5Tget_size( tid ); + + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Get dimensions */ + if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( did ) ) + return -1; + + return 0; + +out: + H5Tclose( tid ); + H5Dclose( did ); + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: find_dataset + * + * Purpose: operator function used by H5LTfind_dataset + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: June 21, 2001 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +static herr_t find_dataset( hid_t loc_id, const char *name, void *op_data) +{ + + /* Define a default zero value for return. This will cause the iterator to continue if + * the dataset is not found yet. + */ + + int ret = 0; + + char *dset_name = (char*)op_data; + + /* Shut the compiler up */ + loc_id=loc_id; + + /* Define a positive value for return value if the dataset was found. This will + * cause the iterator to immediately return that positive value, + * indicating short-circuit success + */ + + if( strcmp( name, dset_name ) == 0 ) + ret = 1; + + + return ret; +} + + + +/*------------------------------------------------------------------------- + * Function: H5LTfind_dataset + * + * Purpose: Inquires if a dataset named dset_name exists attached + * to the object loc_id. + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: July 15, 2001 + * + * Return: + * Success: The return value of the first operator that + * returns non-zero, or zero if all members were + * processed with no operator returning non-zero. + * + * Failure: Negative if something goes wrong within the + * library, or the negative value returned by one + * of the operators. + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTfind_dataset( hid_t loc_id, const char *dset_name ) +{ + + herr_t ret; + + ret = H5Giterate( loc_id, ".", 0, find_dataset, (void *)dset_name ); + + return ret; +} + + +/*------------------------------------------------------------------------- + * + * Set attribute functions + * + *------------------------------------------------------------------------- + */ + + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_string + * + * Purpose: Creates and writes a string attribute named attr_name and attaches + * it to the object specified by the name obj_name. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: July 23, 2001 + * + * Comments: If the attribute already exists, it is overwritten + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_string( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const char *attr_data ) +{ + hid_t attr_type; + hid_t attr_space_id; + hid_t attr_id; + hid_t obj_id; + int has_attr; + H5G_stat_t statbuf; + size_t attr_size; + + + /* Get the type of object */ + if (H5Gget_objinfo( loc_id, obj_name, 1, &statbuf )<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Create the attribute */ + if ( (attr_type = H5Tcopy( H5T_C_S1 )) < 0 ) + goto out; + + attr_size = strlen( attr_data ) + 1; /* extra null term */ + + if ( H5Tset_size( attr_type, (size_t)attr_size) < 0 ) + goto out; + + if ( H5Tset_strpad( attr_type, H5T_STR_NULLTERM ) < 0 ) + goto out; + + if ( (attr_space_id = H5Screate( H5S_SCALAR )) < 0 ) + goto out; + + /* Verify if the attribute already exists */ + has_attr = H5LT_find_attribute( obj_id, attr_name ); + + /* The attribute already exists, delete it */ + if ( has_attr == 1 ) + { + if ( H5Adelete( obj_id, attr_name ) < 0 ) + goto out; + } + + /* Create and write the attribute */ + + if ( (attr_id = H5Acreate( obj_id, attr_name, attr_type, attr_space_id, H5P_DEFAULT )) < 0 ) + goto out; + + if ( H5Awrite( attr_id, attr_type, attr_data ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + if ( H5Sclose( attr_space_id ) < 0 ) + goto out; + + if ( H5Tclose(attr_type) < 0 ) + goto out; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +out: + + H5LT_close_id( obj_id, statbuf.type ); + return -1; +} + + + + + +/*------------------------------------------------------------------------- + * Function: H5LT_set_attribute_numerical + * + * Purpose: Private function used by H5LTset_attribute_int and H5LTset_attribute_float + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: July 25, 2001 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LT_set_attribute_numerical( hid_t loc_id, + const char *obj_name, + const char *attr_name, + size_t size, + hid_t tid, + const void *data ) +{ + + hid_t obj_id, sid, attr_id; + hsize_t dim_size=size; + int has_attr; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Create the data space for the attribute. */ + if ( (sid = H5Screate_simple( 1, &dim_size, NULL )) < 0 ) + goto out; + + /* Verify if the attribute already exists */ + has_attr = H5LT_find_attribute( obj_id, attr_name ); + + /* The attribute already exists, delete it */ + if ( has_attr == 1 ) + { + if ( H5Adelete( obj_id, attr_name ) < 0 ) + goto out; + } + + /* Create the attribute. */ + if ( (attr_id = H5Acreate( obj_id, attr_name, tid, sid, H5P_DEFAULT )) < 0 ) + goto out; + + /* Write the attribute data. */ + if ( H5Awrite( attr_id, tid, data ) < 0 ) + goto out; + + /* Close the attribute. */ + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + /* Close the dataspace. */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +out: + H5LT_close_id( obj_id, statbuf.type ); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5LT_open_id + * + * Purpose: Private function used by H5LT_set_attribute_* + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LT_open_id( hid_t loc_id, + const char *obj_name, + int obj_type /*basic object type*/ ) +{ + + hid_t obj_id = -1; + + switch ( obj_type ) + { + case H5G_DATASET: + + /* Open the dataset. */ + if ( (obj_id = H5Dopen( loc_id, obj_name )) < 0 ) + return -1; + break; + + case H5G_GROUP: + + /* Open the group. */ + if ( (obj_id = H5Gopen( loc_id, obj_name )) < 0 ) + return -1; + break; + + default: + return -1; + } + + return obj_id; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LT_close_id + * + * Purpose: Private function used by H5LT_set_attribute_* + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LT_close_id( hid_t obj_id, + int obj_type /*basic object type*/ ) +{ + switch ( obj_type ) + { + case H5G_DATASET: + /* Close the dataset. */ + if ( H5Dclose( obj_id ) < 0 ) + return -1; + break; + + case H5G_GROUP: + /* Close the group. */ + if ( H5Gclose( obj_id ) < 0 ) + return -1; + break; + + default: + return -1; + } + + return 0; +} + + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_char + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 7, 2001 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_char( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const char *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_CHAR, data ) < 0 ) + return -1; + + return 0; +} + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_uchar + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 8, 2004 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_uchar( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const unsigned char *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_UCHAR, data ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_short + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 7, 2001 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_short( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const short *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_SHORT, data ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_ushort + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 8, 2004 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_ushort( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const unsigned short *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_USHORT, data ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_int + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 7, 2001 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_int( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const int *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_INT, data ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_uint + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 8, 2004 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_uint( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const unsigned int *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_UINT, data ) < 0 ) + return -1; + + return 0; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_long + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 7, 2001 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_long( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const long *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_LONG, data ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_ulong + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 8, 2004 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_ulong( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const unsigned long *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_ULONG, data ) < 0 ) + return -1; + + return 0; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_float + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: July 25, 2001 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTset_attribute_float( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const float *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_FLOAT, data ) < 0 ) + return -1; + + return 0; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTset_attribute_double + * + * Purpose: Create and write an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 7, 2001 + * + * Comments: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTset_attribute_double( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const double *data, + size_t size ) +{ + + if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, + H5T_NATIVE_DOUBLE, data ) < 0 ) + return -1; + + return 0; + +} + + + +/*------------------------------------------------------------------------- + * Function: find_attr + * + * Purpose: operator function used by H5LT_find_attribute + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: June 21, 2001 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +static herr_t find_attr( hid_t loc_id, const char *name, void *op_data) +{ + + /* Define a default zero value for return. This will cause the iterator to continue if + * the palette attribute is not found yet. + */ + + int ret = 0; + + char *attr_name = (char*)op_data; + + /* Shut the compiler up */ + loc_id=loc_id; + + /* Define a positive value for return value if the attribute was found. This will + * cause the iterator to immediately return that positive value, + * indicating short-circuit success + */ + + if( strcmp( name, attr_name ) == 0 ) + ret = 1; + + + return ret; +} + + +/*------------------------------------------------------------------------- + * Function: H5LT_find_attribute + * + * Purpose: Inquires if an attribute named attr_name exists attached to the object loc_id. + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: June 21, 2001 + * + * Comments: + * The function uses H5Aiterate with the operator function find_attr + * + * Return: + * Success: The return value of the first operator that + * returns non-zero, or zero if all members were + * processed with no operator returning non-zero. + * + * Failure: Negative if something goes wrong within the + * library, or the negative value returned by one + * of the operators. + * + *------------------------------------------------------------------------- + */ + +herr_t H5LT_find_attribute( hid_t loc_id, const char* attr_name ) +{ + + unsigned int attr_num; + herr_t ret; + + attr_num = 0; + ret = H5Aiterate( loc_id, &attr_num, find_attr, (void *)attr_name ); + + return ret; +} + + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_ndims + * + * Purpose: Gets the dimensionality of an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 4, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTget_attribute_ndims( hid_t loc_id, + const char *obj_name, + const char *attr_name, + int *rank ) +{ + hid_t attr_id; + hid_t sid; + H5G_stat_t statbuf; + hid_t obj_id; + + /* Get the type of object */ + if (H5Gget_objinfo( loc_id, obj_name, 1, &statbuf )<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Open the attribute. */ + if ( ( attr_id = H5Aopen_name( obj_id, attr_name ) ) < 0 ) + { + H5LT_close_id( obj_id, statbuf.type ); + return -1; + } + + /* Get the dataspace handle */ + if ( (sid = H5Aget_space( attr_id )) < 0 ) + goto out; + + /* Get rank */ + if ( (*rank = H5Sget_simple_extent_ndims( sid )) < 0 ) + goto out; + + /* Terminate access to the attribute */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* End access to the attribute */ + if ( H5Aclose( attr_id ) ) + goto out;; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +out: + H5Aclose( attr_id ); + H5LT_close_id( obj_id, statbuf.type ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_info + * + * Purpose: Gets information about an attribute. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 4, 2001 + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTget_attribute_info( hid_t loc_id, + const char *obj_name, + const char *attr_name, + hsize_t *dims, + H5T_class_t *type_class, + size_t *type_size ) +{ + hid_t attr_id; + hid_t tid; + hid_t sid; + H5G_stat_t statbuf; + hid_t obj_id; + + /* Get the type of object */ + if (H5Gget_objinfo( loc_id, obj_name, 1, &statbuf )<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Open the attribute. */ + if ( ( attr_id = H5Aopen_name( obj_id, attr_name ) ) < 0 ) + { + H5LT_close_id( obj_id, statbuf.type ); + return -1; + } + + /* Get an identifier for the datatype. */ + tid = H5Aget_type( attr_id ); + + /* Get the class. */ + *type_class = H5Tget_class( tid ); + + /* Get the size. */ + *type_size = H5Tget_size( tid ); + + /* Get the dataspace handle */ + if ( (sid = H5Aget_space( attr_id )) < 0 ) + goto out; + + /* Get dimensions */ + if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) ) + goto out; + + /* End access to the attribute */ + if ( H5Aclose( attr_id ) ) + goto out; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +out: + H5Tclose( tid ); + H5Aclose( attr_id ); + H5LT_close_id( obj_id, statbuf.type ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * + * General functions + * + *------------------------------------------------------------------------- + */ + +/*------------------------------------------------------------------------- + * Function: H5LTcreate_compound_type + * + * Purpose: + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 18, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + +hid_t H5LTcreate_compound_type( hsize_t nfields, size_t size, const char *field_names[], + const size_t *field_offset, const hid_t *field_types ) +{ + + hid_t tid; + hsize_t i; + + /* Create the memory data type. */ + if ((tid = H5Tcreate (H5T_COMPOUND, size )) < 0 ) + goto out; + + /* Insert fields. */ + for ( i = 0; i < nfields; i++) + { + if ( H5Tinsert(tid, field_names[i], field_offset[i], field_types[i] ) < 0 ) + goto out; + } + + return tid; + +out: + return -1; +} + + + + + +/*------------------------------------------------------------------------- + * Function: H5LTrepack + * + * Purpose: Packs/Unpacks data from buffers. This function transfers data from a packed + * data, src_buf, to a "natural byte aligned" (an n-byte item at an n-byte boundary) + * data, dst_buf, and vice-versa. + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: January 17, 2002 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTrepack( hsize_t nfields, + hsize_t nrecords, + size_t src_size, + const size_t *src_offset, + const size_t *src_sizes, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + unsigned char *src_buf, + unsigned char *dst_buf ) +{ + hsize_t i, j; + /* size of each field of destination data counting with padding */ + size_t *size_pad = (size_t *)malloc((size_t)nfields * sizeof(size_t)); + + /* Shut compiler */ + src_size=src_size; + src_offset=src_offset; + + if ( size_pad == NULL ) + goto out; + + for ( i= 0; i < nfields; i++) + { + + size_pad[i] = ( i == nfields-1 ? dst_size-dst_offset[i] : dst_offset[i+1]-dst_offset[i] ); + + } + + /* Iterate tru the records */ + for ( i = 0; i < nrecords; i++) + { + /* Iterate tru the members */ + for ( j = 0; j < nfields; j++) + { + + memcpy( dst_buf, src_buf, dst_sizes[j] ); + dst_buf += size_pad[j]; + src_buf += src_sizes[j]; + + } + + } + + if ( size_pad != NULL ) + free( size_pad ); + +return 0; + +out: + return -1; + +} + + +/*------------------------------------------------------------------------- + * + * Get attribute functions + * + *------------------------------------------------------------------------- + */ + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_string + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTget_attribute_string( hid_t loc_id, + const char *obj_name, + const char *attr_name, + char *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_disk( obj_id, attr_name, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_char + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t H5LTget_attribute_char( hid_t loc_id, + const char *obj_name, + const char *attr_name, + char *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_CHAR, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_uchar + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 8, 2004 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t H5LTget_attribute_uchar( hid_t loc_id, + const char *obj_name, + const char *attr_name, + unsigned char *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_UCHAR, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_short + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t H5LTget_attribute_short( hid_t loc_id, + const char *obj_name, + const char *attr_name, + short *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_SHORT, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_ushort + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 8, 2004 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t H5LTget_attribute_ushort( hid_t loc_id, + const char *obj_name, + const char *attr_name, + unsigned short *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_USHORT, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_int + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t H5LTget_attribute_int( hid_t loc_id, + const char *obj_name, + const char *attr_name, + int *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_INT, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_uint + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 8, 2004 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t H5LTget_attribute_uint( hid_t loc_id, + const char *obj_name, + const char *attr_name, + unsigned int *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_UINT, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_long + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t H5LTget_attribute_long( hid_t loc_id, + const char *obj_name, + const char *attr_name, + long *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_LONG, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_ulong + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 8, 2004 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t H5LTget_attribute_ulong( hid_t loc_id, + const char *obj_name, + const char *attr_name, + unsigned long *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_ULONG, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_float + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTget_attribute_float( hid_t loc_id, + const char *obj_name, + const char *attr_name, + float *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_FLOAT, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute_double + * + * Purpose: Reads an attribute named attr_name + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTget_attribute_double( hid_t loc_id, + const char *obj_name, + const char *attr_name, + double *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_DOUBLE, data ) < 0 ) + return -1; + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; + +} + + +/*------------------------------------------------------------------------- + * Function: H5LTget_attribute + * + * Purpose: Reads an attribute named attr_name with the memory type mem_type_id + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: Private function + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTget_attribute( hid_t loc_id, + const char *obj_name, + const char *attr_name, + hid_t mem_type_id, + void *data ) +{ + + /* identifiers */ + hid_t obj_id; + H5G_stat_t statbuf; + + /* Get the type of object */ + if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) + return -1; + + /* Open the object */ + if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) + return -1; + + /* Get the attribute */ + if ( H5LT_get_attribute_mem( obj_id, attr_name, mem_type_id, data ) < 0 ) + { + H5LT_close_id( obj_id, statbuf.type ); + return -1; + } + + /* Close the object */ + if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) + return -1; + + return 0; +} + + +/*------------------------------------------------------------------------- + * Function: H5LT_get_attribute_mem + * + * Purpose: Reads an attribute named attr_name with the memory type mem_type_id + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: Private function + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LT_get_attribute_mem( hid_t obj_id, + const char *attr_name, + hid_t mem_type_id, + void *data ) +{ + + /* identifiers */ + hid_t attr_id; + + if ( ( attr_id = H5Aopen_name( obj_id, attr_name ) ) < 0 ) + return -1; + + if ( H5Aread( attr_id, mem_type_id, data ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + return -1; + + return 0; + +out: + H5Aclose( attr_id ); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5LT_get_attribute_disk + * + * Purpose: Reads an attribute named attr_name with the datatype stored on disk + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September 19, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5LT_get_attribute_disk( hid_t loc_id, + const char *attr_name, + void *attr_out ) +{ + /* identifiers */ + hid_t attr_id; + hid_t attr_type; + + if ( ( attr_id = H5Aopen_name( loc_id, attr_name ) ) < 0 ) + return -1; + + if ( (attr_type = H5Aget_type( attr_id )) < 0 ) + goto out; + + if ( H5Aread( attr_id, attr_type, attr_out ) < 0 ) + goto out; + + if ( H5Tclose( attr_type ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + return -1;; + + return 0; + +out: + H5Tclose( attr_type ); + H5Aclose( attr_id ); + return -1; +} + + + + diff --git a/hl/src/H5LT.h b/hl/src/H5LT.h new file mode 100644 index 0000000..aa4b1b1 --- /dev/null +++ b/hl/src/H5LT.h @@ -0,0 +1,374 @@ + +/**************************************************************************** + * NCSA HDF * + * Scientific Data Technologies * + * National Center for Supercomputing Applications * + * University of Illinois at Urbana-Champaign * + * 605 E. Springfield, Champaign IL 61820 * + * * + * For conditions of distribution and use, see the accompanying * + * hdf/COPYING file. * + * * + ****************************************************************************/ + + +#ifndef _H5LT_H +#define _H5LT_H + +#include <hdf5.h> + +#define TESTING(WHAT) {printf("%-70s", "Testing " WHAT); fflush(stdout);} +#define PASSED() {puts(" PASSED");fflush(stdout);} +#define H5_FAILED() {puts("*FAILED*");fflush(stdout);} +#define SKIPPED() {puts(" -SKIP-");fflush(stdout);} +#define EXAMPLE(WHAT) {printf("%-70s", "Example " WHAT); fflush(stdout);} + + +#ifdef __cplusplus +extern "C" { +#endif + + +/*------------------------------------------------------------------------- + * + * Make dataset functions + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTmake_dataset( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + hid_t type_id, + const void *buffer ); + +herr_t H5LTmake_dataset_char( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const char *buffer ); + +herr_t H5LTmake_dataset_short( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const short *buffer ); + +herr_t H5LTmake_dataset_int( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const int *buffer ); + +herr_t H5LTmake_dataset_long( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const long *buffer ); + +herr_t H5LTmake_dataset_float( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const float *buffer ); + +herr_t H5LTmake_dataset_double( hid_t loc_id, + const char *dset_name, + int rank, + const hsize_t *dims, + const double *buffer ); + +herr_t H5LTmake_dataset_string(hid_t loc_id, + const char *dset_name, + const char *buf ); + + +/*------------------------------------------------------------------------- + * + * Read dataset functions + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTread_dataset( hid_t loc_id, + const char *dset_name, + hid_t type_id, + void *buffer ); + +herr_t H5LTread_dataset_char( hid_t loc_id, + const char *dset_name, + char *buffer ); + +herr_t H5LTread_dataset_short( hid_t loc_id, + const char *dset_name, + short *buffer ); + +herr_t H5LTread_dataset_int( hid_t loc_id, + const char *dset_name, + int *buffer ); + +herr_t H5LTread_dataset_long( hid_t loc_id, + const char *dset_name, + long *buffer ); + +herr_t H5LTread_dataset_float( hid_t loc_id, + const char *dset_name, + float *buffer ); + +herr_t H5LTread_dataset_double( hid_t loc_id, + const char *dset_name, + double *buffer ); + +herr_t H5LTread_dataset_string( hid_t loc_id, + const char *dset_name, + char *buf ); + +/*------------------------------------------------------------------------- + * + * Query dataset functions + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTget_dataset_ndims( hid_t loc_id, + const char *dset_name, + int *rank ); + +herr_t H5LTget_dataset_info( hid_t loc_id, + const char *dset_name, + hsize_t *dims, + H5T_class_t *type_class, + size_t *type_size ); + +herr_t H5LTfind_dataset( hid_t loc_id, const char *name ); + + + +/*------------------------------------------------------------------------- + * + * Set attribute functions + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTset_attribute_string( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const char *attr_data ); + +herr_t H5LTset_attribute_char( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const char *buffer, + size_t size ); + +herr_t H5LTset_attribute_uchar( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const unsigned char *buffer, + size_t size ); + +herr_t H5LTset_attribute_short( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const short *buffer, + size_t size ); + +herr_t H5LTset_attribute_ushort( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const unsigned short *buffer, + size_t size ); + +herr_t H5LTset_attribute_int( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const int *buffer, + size_t size ); + +herr_t H5LTset_attribute_uint( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const unsigned int *buffer, + size_t size ); + +herr_t H5LTset_attribute_long( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const long *buffer, + size_t size ); + +herr_t H5LTset_attribute_ulong( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const unsigned long *buffer, + size_t size ); + +herr_t H5LTset_attribute_float( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const float *buffer, + size_t size ); + +herr_t H5LTset_attribute_double( hid_t loc_id, + const char *obj_name, + const char *attr_name, + const double *buffer, + size_t size ); + +/*------------------------------------------------------------------------- + * + * Get attribute functions + * + *------------------------------------------------------------------------- + */ + +herr_t H5LTget_attribute( hid_t loc_id, + const char *obj_name, + const char *attr_name, + hid_t mem_type_id, + void *data ); + +herr_t H5LTget_attribute_string( hid_t loc_id, + const char *obj_name, + const char *attr_name, + char *data ); + +herr_t H5LTget_attribute_char( hid_t loc_id, + const char *obj_name, + const char *attr_name, + char *data ); + +herr_t H5LTget_attribute_uchar( hid_t loc_id, + const char *obj_name, + const char *attr_name, + unsigned char *data ); + +herr_t H5LTget_attribute_short( hid_t loc_id, + const char *obj_name, + const char *attr_name, + short *data ); + +herr_t H5LTget_attribute_ushort( hid_t loc_id, + const char *obj_name, + const char *attr_name, + unsigned short *data ); + +herr_t H5LTget_attribute_int( hid_t loc_id, + const char *obj_name, + const char *attr_name, + int *data ); + +herr_t H5LTget_attribute_uint( hid_t loc_id, + const char *obj_name, + const char *attr_name, + unsigned int *data ); + +herr_t H5LTget_attribute_long( hid_t loc_id, + const char *obj_name, + const char *attr_name, + long *data ); + +herr_t H5LTget_attribute_ulong( hid_t loc_id, + const char *obj_name, + const char *attr_name, + unsigned long *data ); + +herr_t H5LTget_attribute_float( hid_t loc_id, + const char *obj_name, + const char *attr_name, + float *data ); + +herr_t H5LTget_attribute_double( hid_t loc_id, + const char *obj_name, + const char *attr_name, + double *data ); + + +/*------------------------------------------------------------------------- + * + * Query attribute functions + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LTget_attribute_ndims( hid_t loc_id, + const char *obj_name, + const char *attr_name, + int *rank ); + +herr_t H5LTget_attribute_info( hid_t loc_id, + const char *obj_name, + const char *attr_name, + hsize_t *dims, + H5T_class_t *type_class, + size_t *type_size ); + + + + + +/*------------------------------------------------------------------------- + * + * General functions + * + *------------------------------------------------------------------------- + */ + + +hid_t H5LTcreate_compound_type( hsize_t nfields, size_t size, const char *field_names[], + const size_t *field_offset, const hid_t *field_types ); + + +herr_t H5LTrepack( hsize_t nfields, + hsize_t nrecords, + size_t src_size, + const size_t *src_offset, + const size_t *src_sizes, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + unsigned char *src_buf, + unsigned char *dst_buf ); + + + +/*------------------------------------------------------------------------- + * + * Private functions + * + *------------------------------------------------------------------------- + */ + + +herr_t H5LT_get_attribute_mem( hid_t obj_id, + const char *attr_name, + hid_t mem_type_id, + void *data ); + +herr_t H5LT_get_attribute_disk( hid_t obj_id, + const char *attr_name, + void *data ); + +herr_t H5LT_find_attribute( hid_t loc_id, const char *name ); + + +herr_t H5LT_set_attribute_numerical( hid_t loc_id, + const char *obj_name, + const char *attr_name, + size_t size, + hid_t type_id, + const void *data ); + + + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/hl/src/H5TA.c b/hl/src/H5TA.c new file mode 100644 index 0000000..79a845b --- /dev/null +++ b/hl/src/H5TA.c @@ -0,0 +1,3689 @@ +/**************************************************************************** + * NCSA HDF * + * Scientific Data Technologies * + * National Center for Supercomputing Applications * + * University of Illinois at Urbana-Champaign * + * 605 E. Springfield, Champaign IL 61820 * + * * + * For conditions of distribution and use, see the accompanying * + * hdf/COPYING file. * + * * + ****************************************************************************/ + +#include "H5TA.h" +#include <stdlib.h> +#include <string.h> + +#if 0 +#define SHRINK +#endif + + +/*------------------------------------------------------------------------- + * + * Private functions + * + *------------------------------------------------------------------------- + */ + +int H5TB_find_field(const char *field, + const char *field_list); + +herr_t H5TB_attach_attributes(const char *table_title, + hid_t loc_id, + const char *dset_name, + hsize_t nfields, + hid_t tid ); + +hid_t H5TB_create_type(hid_t loc_id, + const char *dset_name, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + hid_t ftype_id); + +/*------------------------------------------------------------------------- + * + * Create functions + * + *------------------------------------------------------------------------- + */ + +/*------------------------------------------------------------------------- + * Function: H5TBmake_table + * + * Purpose: Make a table + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * Quincey Koziol + * + * Date: January 17, 2001 + * + * Comments: The data is packed + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBmake_table( const char *table_title, + hid_t loc_id, + const char *dset_name, + hsize_t nfields, + hsize_t nrecords, + size_t type_size, + const char *field_names[], + const size_t *field_offset, + const hid_t *field_types, + hsize_t chunk_size, + void *fill_data, + int compress, + const void *data ) +{ + + hid_t did; + hid_t sid; + hid_t mem_type_id; + hid_t plist_id; + hsize_t dims[1]; + hsize_t dims_chunk[1]; + hsize_t maxdims[1] = { H5S_UNLIMITED }; + char attr_name[255]; + char *member_name; + hid_t attr_id; + char aux[255]; + hsize_t i; + unsigned char *tmp_buf; + + dims[0] = nrecords; + dims_chunk[0] = chunk_size; + + /* Create the memory data type. */ + if ((mem_type_id = H5Tcreate (H5T_COMPOUND, type_size )) < 0 ) + return -1; + + /* Insert fields. */ + for ( i = 0; i < nfields; i++) + { + if ( H5Tinsert(mem_type_id, field_names[i], field_offset[i], field_types[i] ) < 0 ) + return -1; + } + + /* Create a simple data space with unlimited size */ + if ( (sid = H5Screate_simple( 1, dims, maxdims )) < 0 ) + return -1; + + /* Modify dataset creation properties, i.e. enable chunking */ + plist_id = H5Pcreate (H5P_DATASET_CREATE); + if ( H5Pset_chunk ( plist_id, 1, dims_chunk ) < 0 ) + return -1; + + /* Set the fill value using a struct as the data type. */ + if ( fill_data ) + { + if ( H5Pset_fill_value( plist_id, mem_type_id, fill_data ) < 0 ) + return -1; + } + + /* + Dataset creation property list is modified to use + GZIP compression with the compression effort set to 6. + Note that compression can be used only when dataset is chunked. + */ + if ( compress ) + { + if ( H5Pset_deflate( plist_id, 6) < 0 ) + return -1; + } + + /* Create the dataset. */ + if ( (did = H5Dcreate( loc_id, dset_name, mem_type_id, sid, plist_id )) < 0 ) + goto out; + + /* Only write if there is something to write */ + if ( data ) + { + /* Write data to the dataset. */ + if ( H5Dwrite( did, mem_type_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) + goto out; + } + + /* Terminate access to the data space. */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + goto out; + + /* End access to the property list */ + if ( H5Pclose( plist_id ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Set the conforming table attributes + *------------------------------------------------------------------------- + */ + + /* Attach the CLASS attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "CLASS", "TABLE" ) < 0 ) + goto out; + + /* Attach the VERSION attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "VERSION", "2.0" ) < 0 ) + goto out; + + /* Attach the TITLE attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "TITLE", table_title ) < 0 ) + goto out; + + /* Attach the FIELD_ name attribute */ + for ( i = 0; i < nfields; i++) + { + + /* Get the member name */ + member_name = H5Tget_member_name( mem_type_id,(unsigned) i ); + + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d", (int)i ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_NAME" ); + strcat( attr_name, aux ); + + /* Attach the attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, attr_name, member_name ) < 0 ) + goto out; + + free( member_name ); + + } + + /* Attach the FIELD_ fill value attribute */ + if ( fill_data ) + { + + tmp_buf = fill_data; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + if (( sid = H5Screate(H5S_SCALAR)) < 0 ) + goto out; + + for ( i = 0; i < nfields; i++) + { + + /* Get the member name */ + member_name = H5Tget_member_name( mem_type_id, (unsigned) i ); + + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d", (int)i ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_FILL" ); + strcat( attr_name, aux ); + + if ( (attr_id = H5Acreate( did, attr_name, field_types[i], sid, H5P_DEFAULT )) < 0 ) + goto out; + + if ( H5Awrite( attr_id, field_types[i], tmp_buf+field_offset[i] ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + free( member_name ); + } + + /* Close the dataset. */ + H5Dclose( did ); + + /* Close data space. */ + H5Sclose( sid ); + } + + /* Release the datatype. */ + if ( H5Tclose( mem_type_id ) < 0 ) + return -1; + + +return 0; + +/* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Sclose(sid); + H5Pclose(plist_id); + H5Tclose(mem_type_id); + } H5E_END_TRY; + return -1; + +} + +/*------------------------------------------------------------------------- + * + * Write functions + * + *------------------------------------------------------------------------- + */ + +/*------------------------------------------------------------------------- + * Function: H5TBappend_records + * + * Purpose: Appends records to a table + * + * Return: Success: 0, Failure: -1 + * + * Programmers: + * Pedro Vicente, pvn@ncsa.uiuc.edu + * Quincey Koziol + * + * Date: November 19, 2001 + * + * Comments: Uses memory offsets + * + * Modifications: April 1, 2004 + * the DST_SIZES parameter is used to define the memory type ID + * returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBappend_records( hid_t loc_id, + const char *dset_name, + hsize_t nrecords, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + const void *data ) +{ + hid_t did; + hid_t tid=-1; + hid_t mem_type_id=-1; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid=-1; + hid_t mem_space_id=-1; + int rank; + hsize_t dims[1]; + hsize_t mem_dims[1]; + hsize_t nrecords_orig; + hsize_t nfields; + + /* Get the original number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &nrecords_orig ) < 0 ) + return -1; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + goto out; + + /* Get the datatypes */ + if ( (tid = H5Dget_type( did )) < 0 ) + goto out; + + if ((mem_type_id=H5TB_create_type(loc_id,dset_name,dst_size,dst_offset,dst_sizes,tid))<0) + goto out; + + /* Extend the dataset */ + dims[0] = nrecords_orig; + dims[0] += nrecords; + + if ( H5Dextend ( did, dims ) < 0 ) + goto out; + + /* Create a simple memory data space */ + mem_dims[0]=nrecords; + if ( (mem_space_id = H5Screate_simple( 1, mem_dims, NULL )) < 0 ) + return -1; + + /* Get the file data space */ + if ( (sid = H5Dget_space( did )) < 0 ) + return -1; + + /* Get the dimensions */ + if ( (rank = H5Sget_simple_extent_dims( sid, dims, NULL )) != 1 ) + goto out; + + /* Define a hyperslab in the dataset */ + offset[0] = nrecords_orig; + count[0] = nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + if ( H5Dwrite( did, mem_type_id, mem_space_id, sid, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) < 0 ) + return -1; + + /* Release the datatype. */ + if ( H5Tclose( mem_type_id ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + goto out; + + +return 0; + +/* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Tclose(mem_type_id); + H5Tclose(tid); + H5Sclose(mem_space_id); + H5Sclose(sid); + } H5E_END_TRY; + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5TBwrite_records + * + * Purpose: Writes records + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 19, 2001 + * + * Comments: Uses memory offsets + * + * Modifications: April 1, 2004 + * the DST_SIZES parameter is used to define the memory type ID + * returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBwrite_records( hid_t loc_id, + const char *dset_name, + hsize_t start, + hsize_t nrecords, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + const void *data ) +{ + + hid_t did; + hid_t tid; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid=-1; + hid_t mem_space_id=-1; + hsize_t mem_size[1]; + hsize_t dims[1]; + hid_t mem_type_id=-1; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get the datatype */ + if ( (tid = H5Dget_type( did )) < 0 ) + goto out; + + if ((mem_type_id=H5TB_create_type(loc_id,dset_name,dst_size,dst_offset,dst_sizes,tid))<0) + goto out; + + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Get records */ + if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) + goto out; + + if ( start + nrecords > dims[0] ) + goto out; + + /* Define a hyperslab in the dataset of the size of the records */ + offset[0] = start; + count[0] = nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + if ( H5Dwrite( did, mem_type_id, mem_space_id, sid, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* Terminate access to the memory dataspace */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( mem_type_id ) < 0 ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + return -1; + + +return 0; + +/* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Tclose(mem_type_id); + H5Tclose(tid); + H5Sclose(mem_space_id); + H5Sclose(sid); + } H5E_END_TRY; + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5TBwrite_fields_name + * + * Purpose: Writes fields + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 21, 2001 + * + * Comments: + * + * Modifications: April 1, 2004 + * the DST_SIZES parameter is used to define the memory type ID + * returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ +herr_t H5TBwrite_fields_name( hid_t loc_id, + const char *dset_name, + const char *field_names, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + const void *data ) +{ + + hid_t did; + hid_t tid=-1; + hid_t write_type_id=-1; + hid_t member_type_id; + hid_t nmtype_id; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid=-1; + char *member_name; + hssize_t nfields; + hssize_t i, j; + hid_t PRESERVE; + size_t size_native; + + /* Create xfer properties to preserve initialized data */ + if ((PRESERVE = H5Pcreate (H5P_DATASET_XFER))<0) + return -1; + if (H5Pset_preserve (PRESERVE, 1)<0) + return -1; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + goto out; + + /* Get the datatype */ + if ( (tid = H5Dget_type( did )) < 0 ) + goto out; + + /* Get the number of fields */ + if ( ( nfields = H5Tget_nmembers( tid )) < 0 ) + goto out; + + /* Create a write id */ + if ( ( write_type_id = H5Tcreate( H5T_COMPOUND, type_size )) < 0 ) + goto out; + + j = 0; + + /* Iterate tru the members */ + for ( i = 0; i < nfields; i++) + { + /* Get the member name */ + member_name = H5Tget_member_name( tid, (unsigned)i ); + + if ( H5TB_find_field( member_name, field_names ) > 0 ) + { + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( tid,(unsigned) i )) < 0 ) + goto out; + + /* Convert to native type */ + if ((nmtype_id=H5Tget_native_type(member_type_id,H5T_DIR_DEFAULT))<0) + goto out; + + size_native=H5Tget_size(nmtype_id); + + /* Adjust, if necessary */ + if (dst_sizes[j]!=size_native) + { + if (H5Tset_size(nmtype_id, dst_sizes[j])<0) + goto out; + } + + /* The field in the file is found by its name */ + if ( field_offset ) + { + if ( H5Tinsert( write_type_id, member_name, field_offset[j], nmtype_id ) < 0 ) + goto out; + } + /* Only one field */ + else + { + if ( H5Tinsert( write_type_id, member_name, 0, nmtype_id ) < 0 ) + goto out; + } + + j++; + + /* Close */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + if ( H5Tclose( nmtype_id ) < 0 ) + goto out; + } + + free( member_name ); + + } + + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Define a hyperslab in the dataset */ + offset[0] = start; + count[0] = nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Write */ + if ( H5Dwrite( did, write_type_id, H5S_ALL, sid, PRESERVE, data ) < 0 ) + goto out; + + /* End access to the write id */ + if ( H5Tclose( write_type_id ) ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) < 0 ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* End access to the property list */ + if ( H5Pclose( PRESERVE ) < 0 ) + return -1; + +return 0; + + /* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Pclose(PRESERVE); + H5Dclose(did); + H5Sclose(sid); + H5Tclose(write_type_id); + H5Tclose(tid); + } H5E_END_TRY; + return -1; + +} + + + +/*------------------------------------------------------------------------- + * Function: H5TBwrite_fields_index + * + * Purpose: Writes fields + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 21, 2001 + * + * Comments: Uses memory offsets + * + * Modifications: April 1, 2004 + * the DST_SIZES parameter is used to define the memory type ID + * returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBwrite_fields_index( hid_t loc_id, + const char *dset_name, + hsize_t nfields, + const int *field_index, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + const void *data ) +{ + + hid_t did; + hid_t tid=-1; + hid_t write_type_id=-1; + hid_t member_type_id; + hid_t nmtype_id; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid=-1; + char *member_name; + int nmenbers; + hsize_t i, j; + hid_t PRESERVE; + size_t size_native; + + /* Create xfer properties to preserve initialized data */ + if ((PRESERVE = H5Pcreate (H5P_DATASET_XFER))<0) + return -1; + if (H5Pset_preserve (PRESERVE, 1)<0) + return -1; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + goto out; + + /* Get the datatype */ + if ( (tid = H5Dget_type( did )) < 0 ) + goto out; + + /* Get the number of fields */ + if ( ( nmenbers = H5Tget_nmembers( tid )) < 0 ) + goto out; + + /* Create a write id */ + if ( ( write_type_id = H5Tcreate( H5T_COMPOUND, type_size )) < 0 ) + goto out; + + + /* Iterate tru the members */ + for ( i = 0; i < nfields; i++) + { + + j = field_index[i]; + + /* Get the member name */ + member_name = H5Tget_member_name( tid, (unsigned) j ); + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( tid, (unsigned) j )) < 0 ) + goto out; + + /* Convert to native type */ + if ((nmtype_id=H5Tget_native_type(member_type_id,H5T_DIR_DEFAULT))<0) + goto out; + + size_native=H5Tget_size(nmtype_id); + + if (dst_sizes[i]!=size_native) + { + if (H5Tset_size(nmtype_id, dst_sizes[i])<0) + goto out; + } + + /* The field in the file is found by its name */ + if ( field_offset ) + { + if ( H5Tinsert( write_type_id, member_name, field_offset[ i ], nmtype_id ) < 0 ) + goto out; + } + /* Only one field */ + else + { + if ( H5Tinsert( write_type_id, member_name, 0, nmtype_id ) < 0 ) + goto out; + } + /* Close */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + if ( H5Tclose( nmtype_id ) < 0 ) + goto out; + + free( member_name ); + + } + + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Define a hyperslab in the dataset */ + offset[0] = start; + count[0] = nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Write */ + if ( H5Dwrite( did, write_type_id, H5S_ALL, sid, PRESERVE, data ) < 0 ) + goto out; + + /* End access to the write id */ + if ( H5Tclose( write_type_id ) ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) < 0 ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + return -1; + + /* End access to the property list */ + if ( H5Pclose( PRESERVE ) < 0 ) + return -1; + +return 0; + + /* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Pclose(PRESERVE); + H5Dclose(did); + H5Sclose(sid); + H5Tclose(write_type_id); + H5Tclose(tid); + } H5E_END_TRY; + return -1; +} + + +/*------------------------------------------------------------------------- + * + * Read functions + * + *------------------------------------------------------------------------- + */ + + +/*------------------------------------------------------------------------- + * Function: H5TBread_table + * + * Purpose: Reads a table + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 20, 2001 + * + * Comments: + * + * Modifications: April 1, 2004 + * used a memory type ID returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBread_table( hid_t loc_id, + const char *dset_name, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + void *dst_buf ) +{ + hid_t did; + hid_t ftype_id=-1; + hid_t mem_type_id=-1; + hid_t sid; + hsize_t dims[1]; + + /* open the dataset. */ + if ((did=H5Dopen(loc_id,dset_name))<0) + return -1; + + /* get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* get dimensions */ + if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) + goto out; + + /* get the datatypes */ + if ((ftype_id=H5Dget_type (did))<0) + goto out; + + if ((mem_type_id=H5TB_create_type(loc_id,dset_name,dst_size,dst_offset,dst_sizes,ftype_id))<0) + goto out; + + /* read */ + if ( H5Dread( did, mem_type_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, dst_buf) < 0 ) + goto out; + + /* close */ + if ( H5Tclose( ftype_id ) < 0 ) + goto out; + if ( H5Tclose( mem_type_id ) < 0 ) + goto out; + if ( H5Sclose( sid ) < 0 ) + goto out; + if ( H5Dclose( did ) < 0 ) + return -1; + + return 0; + + /* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Tclose(mem_type_id); + H5Tclose(ftype_id); + H5Sclose(sid); + } H5E_END_TRY; + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5TBread_records + * + * Purpose: Reads records + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 19, 2001 + * + * Comments: + * + * Modifications: April 1, 2004 + * the DST_SIZES parameter is used to define the memory type ID + * returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBread_records( hid_t loc_id, + const char *dset_name, + hsize_t start, + hsize_t nrecords, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + void *data ) +{ + + hid_t did; + hid_t ftype_id; + hid_t mem_type_id=-1; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid=-1; + hsize_t dims[1]; + hid_t mem_space_id=-1; + hsize_t mem_size[1]; + hsize_t nrecords_orig; + hsize_t nfields; + + /* get the number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &nrecords_orig ) < 0 ) + return -1; + + /* open the dataset */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* get the datatypes */ + if ( (ftype_id = H5Dget_type( did )) < 0 ) + goto out; + + if ((mem_type_id=H5TB_create_type(loc_id,dset_name,dst_size,dst_offset,dst_sizes,ftype_id))<0) + goto out; + + /* get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* get records */ + if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) + goto out; + + if ( start + nrecords > dims[0] ) + goto out; + + /* define a hyperslab in the dataset of the size of the records */ + offset[0] = start; + count[0] = nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + /* read */ + if ( H5Dread( did, mem_type_id, mem_space_id, sid, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* close */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + if ( H5Sclose( sid ) < 0 ) + goto out; + if ( H5Tclose( ftype_id ) < 0 ) + return -1; + if ( H5Tclose( mem_type_id ) < 0 ) + return -1; + if ( H5Dclose( did ) < 0 ) + return -1; + + return 0; + + /* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Tclose(mem_type_id); + H5Tclose(ftype_id); + H5Sclose(mem_space_id); + H5Sclose(sid); + } H5E_END_TRY; + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5TBread_fields_name + * + * Purpose: Reads fields + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 19, 2001 + * + * Comments: + * + * Modifications: April 1, 2004 + * the DST_SIZES parameter is used to define the memory type ID + * returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBread_fields_name( hid_t loc_id, + const char *dset_name, + const char *field_names, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + void *data ) +{ + + hid_t did; + hid_t ftype_id=-1; + hid_t mem_type_id=-1; + hid_t mtype_id; + hid_t nmtype_id; + char *member_name; + hssize_t nfields; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid=-1; + hid_t mem_space_id=-1; + hsize_t mem_size[1]; + size_t size_native; + hssize_t i, j; + + /* open the dataset */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + goto out; + + /* get the datatype */ + if ( (ftype_id = H5Dget_type( did )) < 0 ) + goto out; + + /* get the number of fields */ + if ( ( nfields = H5Tget_nmembers( ftype_id )) < 0 ) + goto out; + + /* create a memory read id */ + if ( ( mem_type_id = H5Tcreate( H5T_COMPOUND, type_size )) < 0 ) + goto out; + + /* iterate tru the members */ + for ( i=0,j=0; i<nfields; i++) + { + /* get the member name */ + member_name = H5Tget_member_name( ftype_id, (unsigned)i ); + + if ( H5TB_find_field( member_name, field_names ) > 0 ) + { + /* get the member type */ + if ( ( mtype_id = H5Tget_member_type( ftype_id, (unsigned) i )) < 0 ) + goto out; + + /* convert to native type */ + if ((nmtype_id=H5Tget_native_type(mtype_id,H5T_DIR_DEFAULT))<0) + goto out; + + size_native=H5Tget_size(nmtype_id); + + if (dst_sizes[j]!=size_native) + { + if (H5Tset_size(nmtype_id, dst_sizes[j])<0) + goto out; + } + /* the field in the file is found by its name */ + if ( field_offset ) + { + if ( H5Tinsert( mem_type_id, member_name, field_offset[j], nmtype_id ) < 0 ) + goto out; + } + else + { + if ( H5Tinsert( mem_type_id, member_name, 0, nmtype_id ) < 0 ) + goto out; + } + + /* close */ + if ( H5Tclose( mtype_id ) < 0 ) + goto out; + if ( H5Tclose( nmtype_id ) < 0 ) + goto out; + j++; + } + free( member_name ); + } + + /* get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* define a hyperslab in the dataset */ + offset[0] = start; + count[0] = nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + /* read */ + if ( H5Dread( did, mem_type_id, mem_space_id, sid, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* close */ + if ( H5Tclose( mem_type_id ) ) + goto out; + if ( H5Tclose( ftype_id ) < 0 ) + return -1; + if ( H5Sclose( sid ) < 0 ) + goto out; + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + if ( H5Dclose( did ) < 0 ) + return -1; + + return 0; + +/* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Tclose(mem_type_id); + H5Tclose(ftype_id); + H5Sclose(mem_space_id); + H5Sclose(sid); + } H5E_END_TRY; + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5TBread_fields_index + * + * Purpose: Reads fields + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 19, 2001 + * + * Comments: + * + * Modifications: April 1, 2004 + * the DST_SIZES parameter is used to define the memory type ID + * returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBread_fields_index( hid_t loc_id, + const char *dset_name, + hsize_t nfields, + const int *field_index, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + void *data ) +{ + + hid_t did; + hid_t tid=-1; + hid_t read_type_id=-1; + hid_t member_type_id; + hid_t nmtype_id; + hssize_t member_size; + char *member_name; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid=-1; + hid_t mem_space_id=-1; + hsize_t mem_size[1]; + size_t size_native; + hsize_t i, j; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + goto out; + + /* Get the datatype */ + if ( (tid = H5Dget_type( did )) < 0 ) + goto out; + + /* Create a read id */ + if ( ( read_type_id = H5Tcreate( H5T_COMPOUND, type_size )) < 0 ) + goto out; + + /* Iterate tru the members */ + for ( i = 0; i < nfields; i++) + { + j = field_index[i]; + + /* Get the member name */ + member_name = H5Tget_member_name( tid, (unsigned) j ); + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( tid, (unsigned) j )) < 0 ) + goto out; + + /* Get the member size */ + if ( ( member_size = H5Tget_size( member_type_id )) < 0 ) + goto out; + + /* Convert to native type */ + if ((nmtype_id=H5Tget_native_type(member_type_id,H5T_DIR_DEFAULT))<0) + goto out; + + size_native=H5Tget_size(nmtype_id); + + if (dst_sizes[i]!=size_native) + { + if (H5Tset_size(nmtype_id, dst_sizes[i])<0) + goto out; + } + + /* The field in the file is found by its name */ + if ( field_offset ) + { + if ( H5Tinsert( read_type_id, member_name, field_offset[i], nmtype_id ) < 0 ) + goto out; + } + else + { + if ( H5Tinsert( read_type_id, member_name, 0, nmtype_id ) < 0 ) + goto out; + } + + /* Close the member type */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + if ( H5Tclose( nmtype_id ) < 0 ) + goto out; + + free( member_name ); + } + + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Define a hyperslab in the dataset */ + offset[0] = start; + count[0] = nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + /* Read */ + if ( H5Dread( did, read_type_id, mem_space_id, sid, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* Terminate access to the memory dataspace */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + + /* End access to the read id */ + if ( H5Tclose( read_type_id ) ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) < 0 ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + return -1; + +return 0; + +/* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Tclose(read_type_id); + H5Tclose(tid); + H5Sclose(mem_space_id); + H5Sclose(sid); + } H5E_END_TRY; + return -1; + +} + + +/*------------------------------------------------------------------------- + * + * Manipulation functions + * + *------------------------------------------------------------------------- + */ + +/*------------------------------------------------------------------------- + * Function: H5TBdelete_record + * + * Purpose: Delete records from middle of table ("pulling up" all the records after it) + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 26, 2001 + * + * Modifications: April 29, 2003 + * + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBdelete_record( hid_t loc_id, + const char *dset_name, + hsize_t start, + hsize_t nrecords ) +{ + + hsize_t nfields; + hsize_t ntotal_records; + hsize_t read_start; + hsize_t read_nrecords; + hid_t did; + hid_t tid; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid; + hid_t mem_space_id; + hsize_t mem_size[1]; + unsigned char *tmp_buf; + size_t src_size; + size_t *src_offset; + size_t *src_sizes; + hsize_t nrows; +#if defined (SHRINK) + hsize_t dims[1]; +#endif + + +/*------------------------------------------------------------------------- + * First we get information about type size and offsets on disk + *------------------------------------------------------------------------- + */ + + /* Get the number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &ntotal_records ) < 0 ) + return -1; + + src_offset = (size_t *)malloc((size_t)nfields * sizeof(size_t)); + src_sizes = (size_t *)malloc((size_t)nfields * sizeof(size_t)); + + if ( src_offset == NULL ) + return -1; + + /* Get field info */ + if ( H5TBget_field_info( loc_id, dset_name, NULL, src_sizes, src_offset, &src_size ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Read the records after the deleted one(s) + *------------------------------------------------------------------------- + */ + + read_start = start + nrecords; + read_nrecords = ntotal_records - read_start; + tmp_buf = (unsigned char *)calloc((size_t) read_nrecords, src_size ); + + if ( tmp_buf == NULL ) + return -1; + + /* Read the records after the deleted one(s) */ + if ( H5TBread_records( loc_id, dset_name, read_start, read_nrecords, src_size, + src_offset, src_sizes, tmp_buf ) < 0 ) + return -1; + + +/*------------------------------------------------------------------------- + * Write the records in another position + *------------------------------------------------------------------------- + */ + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get the datatype */ + if ( (tid = H5Dget_type( did )) < 0 ) + goto out; + + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Define a hyperslab in the dataset of the size of the records */ + offset[0] = start; + count[0] = read_nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + if ( H5Dwrite( did, tid, mem_space_id, sid, H5P_DEFAULT, tmp_buf ) < 0 ) + goto out; + + /* Terminate access to the memory dataspace */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) < 0 ) + goto out; + + +/*------------------------------------------------------------------------- + * Change the table dimension + *------------------------------------------------------------------------- + */ +#if defined (SHRINK) + dims[0] = ntotal_records - nrecords; + if ( H5Dset_extent( did, dims ) < 0 ) + goto out; +#endif + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + return -1; + + free( tmp_buf ); + free( src_offset ); + free( src_sizes ); + + +/*------------------------------------------------------------------------- + * Store the new dimension as an attribute + *------------------------------------------------------------------------- + */ + + nrows = ntotal_records - nrecords; + /* Set the attribute */ + if (H5LT_set_attribute_numerical(loc_id,dset_name,"NROWS",1, + H5T_NATIVE_LLONG,&nrows)<0) + return -1; + + + return 0; + +out: + H5Dclose( did ); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5TBinsert_record + * + * Purpose: Inserts records into middle of table ("pushing down" all the records after it) + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 26, 2001 + * + * Comments: Uses memory offsets + * + * Modifications: April 1, 2004 + * the DST_SIZES parameter is used to define the memory type ID + * returned by H5TB_create_type + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBinsert_record( hid_t loc_id, + const char *dset_name, + hsize_t start, + hsize_t nrecords, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + void *data ) +{ + + hsize_t nfields; + hsize_t ntotal_records; + hsize_t read_nrecords; + hid_t did; + hid_t tid=-1; + hid_t mem_type_id=-1; + hsize_t count[1]; + hssize_t offset[1]; + hid_t sid=-1; + hid_t mem_space_id=-1; + hsize_t dims[1]; + hsize_t mem_dims[1]; + unsigned char *tmp_buf; + +/*------------------------------------------------------------------------- + * Read the records after the inserted one(s) + *------------------------------------------------------------------------- + */ + + /* Get the dimensions */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &ntotal_records ) < 0 ) + return -1; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + goto out; + + /* Get the datatype */ + if ( (tid = H5Dget_type( did )) < 0 ) + goto out; + + /* Create the memory data type. */ + if ((mem_type_id=H5TB_create_type(loc_id,dset_name,dst_size,dst_offset,dst_sizes,tid))<0) + goto out; + + read_nrecords = ntotal_records - start; + tmp_buf = (unsigned char *)calloc((size_t) read_nrecords, dst_size ); + + /* Read the records after the inserted one(s) */ + if ( H5TBread_records( loc_id, dset_name, start, read_nrecords, dst_size, dst_offset, + dst_sizes, tmp_buf ) < 0 ) + return -1; + + /* Extend the dataset */ + dims[0] = ntotal_records + nrecords; + + if ( H5Dextend ( did, dims ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Write the inserted records + *------------------------------------------------------------------------- + */ + + /* Create a simple memory data space */ + mem_dims[0]=nrecords; + if ( (mem_space_id = H5Screate_simple( 1, mem_dims, NULL )) < 0 ) + return -1; + + /* Get the file data space */ + if ( (sid = H5Dget_space( did )) < 0 ) + return -1; + + /* Define a hyperslab in the dataset to write the new data */ + offset[0] = start; + count[0] = nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + if ( H5Dwrite( did, mem_type_id, mem_space_id, sid, H5P_DEFAULT, data ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + if ( H5Sclose( sid ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Write the "pushed down" records + *------------------------------------------------------------------------- + */ + + /* Create a simple memory data space */ + mem_dims[0]=read_nrecords; + if ( (mem_space_id = H5Screate_simple( 1, mem_dims, NULL )) < 0 ) + return -1; + + /* Get the file data space */ + if ( (sid = H5Dget_space( did )) < 0 ) + return -1; + + /* Define a hyperslab in the dataset to write the new data */ + offset[0] = start + nrecords; + count[0] = read_nrecords; + if ( H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + if ( H5Dwrite( did, mem_type_id, mem_space_id, sid, H5P_DEFAULT, tmp_buf ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + + if ( H5Sclose( sid ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( tid ) < 0 ) + return -1; + + /* Release the datatype. */ + if ( H5Tclose( mem_type_id ) < 0 ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + return -1; + + free( tmp_buf ); + + return 0; + + /* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Sclose(sid); + H5Sclose(mem_space_id); + H5Tclose(mem_type_id); + H5Tclose(tid); + } H5E_END_TRY; + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5TBadd_records_from + * + * Purpose: Add records from first table to second table + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: December 5, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBadd_records_from( hid_t loc_id, + const char *dset_name1, + hsize_t start1, + hsize_t nrecords, + const char *dset_name2, + hsize_t start2 ) +{ + + /* Identifiers for the 1st dataset. */ + hid_t dataset_id1; + hid_t type_id1; + hid_t space_id1=-1; + hid_t mem_space_id1=-1; + hssize_t type_size1; + + hsize_t count[1]; + hssize_t offset[1]; + hsize_t mem_size[1]; + hsize_t nfields; + hsize_t ntotal_records; + unsigned char *tmp_buf; + size_t src_size; + size_t *src_offset; + size_t *src_sizes; + +/*------------------------------------------------------------------------- + * First we get information about type size and offsets on disk + *------------------------------------------------------------------------- + */ + + /* Get the number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name1, &nfields, &ntotal_records ) < 0 ) + return -1; + + src_offset = (size_t *)malloc((size_t)nfields * sizeof(size_t)); + src_sizes = (size_t *)malloc((size_t)nfields * sizeof(size_t)); + + if ( src_offset == NULL ) + return -1; + + /* Get field info */ + if ( H5TBget_field_info( loc_id, dset_name1, NULL, src_sizes, src_offset, &src_size ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Get information about the first table and read it + *------------------------------------------------------------------------- + */ + + /* Open the 1st dataset. */ + if ( (dataset_id1 = H5Dopen( loc_id, dset_name1 )) < 0 ) + return -1; + + /* Get the datatype */ + if ( (type_id1 = H5Dget_type( dataset_id1 )) < 0 ) + goto out; + + /* Get the dataspace handle */ + if ( (space_id1 = H5Dget_space( dataset_id1 )) < 0 ) + goto out; + + /* Get the size of the datatype */ + if ( ( type_size1 = H5Tget_size( type_id1 )) < 0 ) + goto out; + + tmp_buf = (unsigned char *)calloc((size_t)nrecords, (size_t)type_size1 ); + + /* Define a hyperslab in the dataset of the size of the records */ + offset[0] = start1; + count[0] = nrecords; + if ( H5Sselect_hyperslab( space_id1, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id1 = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + if ( H5Dread( dataset_id1, type_id1, mem_space_id1, space_id1, H5P_DEFAULT, tmp_buf ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Add to the second table + *------------------------------------------------------------------------- + */ + if ( H5TBinsert_record(loc_id,dset_name2,start2,nrecords,src_size,src_offset,src_sizes,tmp_buf ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Close resources for table 1 + *------------------------------------------------------------------------- + */ + + /* Terminate access to the memory dataspace */ + if ( H5Sclose( mem_space_id1 ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( space_id1 ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( type_id1 ) < 0 ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id1 ) < 0 ) + return -1; + + free( tmp_buf ); + free( src_offset ); + free( src_sizes ); + +return 0; + + /* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(dataset_id1); + H5Sclose(space_id1); + H5Sclose(mem_space_id1); + H5Tclose(type_id1); + } H5E_END_TRY; + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: H5TBcombine_tables + * + * Purpose: Combine records from two tables into a third + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: December 10, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ +herr_t H5TBcombine_tables( hid_t loc_id1, + const char *dset_name1, + hid_t loc_id2, + const char *dset_name2, + const char *dset_name3 ) +{ + + /* Identifiers for the 1st dataset. */ + hid_t dataset_id1; + hid_t type_id1; + hid_t space_id1; + hid_t plist_id1; + + /* Identifiers for the 2nd dataset. */ + hid_t dataset_id2; + hid_t type_id2; + hid_t space_id2; + hid_t plist_id2; + + /* Identifiers for the 3rd dataset. */ + hid_t dataset_id3; + hid_t type_id3; + hid_t space_id3; + hid_t plist_id3; + + hsize_t count[1]; + hssize_t offset[1]; + hid_t mem_space_id; + hsize_t mem_size[1]; + hsize_t nfields; + hsize_t nrecords; + hsize_t dims[1]; + hsize_t maxdims[1] = { H5S_UNLIMITED }; + + + size_t type_size; + hid_t sid; + hid_t member_type_id; + hssize_t member_offset; + char attr_name[255]; + hid_t attr_id; + char aux[255]; + unsigned char *tmp_buf; + unsigned char *tmp_fill_buf; + hsize_t i; + size_t src_size; + size_t *src_offset; + size_t *src_sizes; + int has_fill=0; + +/*------------------------------------------------------------------------- + * First we get information about type size and offsets on disk + *------------------------------------------------------------------------- + */ + + /* Get the number of records and fields */ + if ( H5TBget_table_info ( loc_id1, dset_name1, &nfields, &nrecords ) < 0 ) + return -1; + + src_offset = (size_t *)malloc((size_t)nfields * sizeof(size_t)); + src_sizes = (size_t *)malloc((size_t)nfields * sizeof(size_t)); + + + if ( src_offset == NULL ) + return -1; + + /* Get field info */ + if ( H5TBget_field_info( loc_id1, dset_name1, NULL, src_sizes, src_offset, &src_size ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Get information about the first table + *------------------------------------------------------------------------- + */ + + /* Open the 1st dataset. */ + if ( (dataset_id1 = H5Dopen( loc_id1, dset_name1 )) < 0 ) + goto out; + + /* Get the datatype */ + if ( (type_id1 = H5Dget_type( dataset_id1 )) < 0 ) + goto out; + + /* Get the dataspace handle */ + if ( (space_id1 = H5Dget_space( dataset_id1 )) < 0 ) + goto out; + + /* Get creation properties list */ + if ( (plist_id1 = H5Dget_create_plist( dataset_id1 )) < 0 ) + goto out; + + /* Get the dimensions */ + if ( H5TBget_table_info ( loc_id1, dset_name1, &nfields, &nrecords ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Make the merged table with no data originally + *------------------------------------------------------------------------- + */ + + /* Clone the property list */ + if ( ( plist_id3 = H5Pcopy( plist_id1 )) < 0 ) + goto out; + + /* Clone the type id */ + if ( ( type_id3 = H5Tcopy( type_id1 )) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Here we do not clone the file space from the 1st dataset, because we want to create + * an empty table. Instead we create a new dataspace with zero records and expandable. + *------------------------------------------------------------------------- + */ + dims[0] = 0; + +/* Create a simple data space with unlimited size */ + if ( (space_id3 = H5Screate_simple( 1, dims, maxdims )) < 0 ) + return -1; + + /* Create the dataset */ + if ( (dataset_id3 = H5Dcreate( loc_id1, dset_name3, type_id3, space_id3, plist_id3 )) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Attach the conforming table attributes + *------------------------------------------------------------------------- + */ + if ( H5TB_attach_attributes( "Merge table", loc_id1, dset_name3, nfields, type_id3 ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Get attributes + *------------------------------------------------------------------------- + */ + + type_size = H5Tget_size( type_id3 ); + + /* alloc fill value attribute buffer */ + tmp_fill_buf = (unsigned char *)malloc((size_t) type_size ); + + /* Get the fill value attributes */ + has_fill=H5TBAget_fill( loc_id1, dset_name1, dataset_id1, tmp_fill_buf ); + +/*------------------------------------------------------------------------- + * Attach the fill attributes from previous table + *------------------------------------------------------------------------- + */ + if ( has_fill == 1 ) + { + + if (( sid = H5Screate(H5S_SCALAR)) < 0 ) + goto out; + + for ( i = 0; i < nfields; i++) + { + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( type_id3, (unsigned) i )) < 0 ) + goto out; + + /* Get the member offset */ + if ( ( member_offset = H5Tget_member_offset( type_id3, (unsigned) i )) < 0 ) + goto out; + + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d", (int) i ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_FILL" ); + strcat( attr_name, aux ); + + if ( (attr_id = H5Acreate( dataset_id3, attr_name, member_type_id, sid, H5P_DEFAULT )) < 0 ) + goto out; + + if ( H5Awrite( attr_id, member_type_id, tmp_fill_buf+member_offset ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + } + + /* Close data space. */ + if ( H5Sclose( sid ) < 0 ) + goto out; + } + +/*------------------------------------------------------------------------- + * Read data from 1st table + *------------------------------------------------------------------------- + */ + + tmp_buf = (unsigned char *)calloc((size_t) nrecords, type_size ); + + /* Define a hyperslab in the dataset of the size of the records */ + offset[0] = 0; + count[0] = nrecords; + if ( H5Sselect_hyperslab( space_id1, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + if ( H5Dread( dataset_id1, type_id1, mem_space_id, space_id1, H5P_DEFAULT, tmp_buf ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Save data from 1st table into new table + *------------------------------------------------------------------------- + */ + + /* Append the records to the new table */ + if ( H5TBappend_records( loc_id1, dset_name3, nrecords, src_size, src_offset, src_sizes, tmp_buf ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Release resources from 1st table + *------------------------------------------------------------------------- + */ + + /* Terminate access to the memory dataspace */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( space_id1 ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( type_id1 ) < 0 ) + goto out; + + /* Terminate access to a property list */ + if ( H5Pclose( plist_id1 ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id1 ) < 0 ) + goto out; + + /* Release resources. */ + free( tmp_buf ); + +/*------------------------------------------------------------------------- + * Get information about the 2nd table + *------------------------------------------------------------------------- + */ + + /* Open the dataset. */ + if ( (dataset_id2 = H5Dopen( loc_id2, dset_name2 )) < 0 ) + goto out; + + /* Get the datatype */ + if ( (type_id2 = H5Dget_type( dataset_id2 )) < 0 ) + goto out; + + /* Get the dataspace handle */ + if ( (space_id2 = H5Dget_space( dataset_id2 )) < 0 ) + goto out; + + /* Get the property list handle */ + if ( (plist_id2 = H5Dget_create_plist( dataset_id2 )) < 0 ) + goto out; + + /* Get the dimensions */ + if ( H5TBget_table_info ( loc_id2, dset_name2, &nfields, &nrecords ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Read data from 2nd table + *------------------------------------------------------------------------- + */ + + tmp_buf = (unsigned char *)calloc((size_t) nrecords, type_size ); + + /* Define a hyperslab in the dataset of the size of the records */ + offset[0] = 0; + count[0] = nrecords; + if ( H5Sselect_hyperslab( space_id2, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + if ( H5Dread( dataset_id2, type_id2, mem_space_id, space_id2, H5P_DEFAULT, tmp_buf ) < 0 ) + goto out; + + +/*------------------------------------------------------------------------- + * Save data from 2nd table into new table + *------------------------------------------------------------------------- + */ + + /* append the records to the new table */ + if ( H5TBappend_records( loc_id1, dset_name3, nrecords, src_size, src_offset, src_sizes, tmp_buf ) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Release resources from 2nd table + *------------------------------------------------------------------------- + */ + + /* Terminate access to the memory dataspace */ + if ( H5Sclose( mem_space_id ) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( space_id2 ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( type_id2 ) < 0 ) + return -1; + + /* Terminate access to a property list */ + if ( H5Pclose( plist_id2 ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id2 ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Release resources from 3rd table + *------------------------------------------------------------------------- + */ + + /* Terminate access to the dataspace */ + if ( H5Sclose( space_id3 ) < 0 ) + return -1; + + /* Release the datatype. */ + if ( H5Tclose( type_id3 ) < 0 ) + return -1; + + /* Terminate access to a property list */ + if ( H5Pclose( plist_id3 ) < 0 ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id3 ) < 0 ) + return -1; + + /* Release resources. */ + free( tmp_buf ); + free( tmp_fill_buf ); + free( src_offset ); + free( src_sizes ); + +return 0; + +out: + H5Dclose( dataset_id1 ); + return -1; + +} + + + +/*------------------------------------------------------------------------- + * Function: H5TBinsert_field + * + * Purpose: Inserts a field + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: January 30, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBinsert_field( hid_t loc_id, + const char *dset_name, + const char *field_name, + hid_t field_type, + hsize_t position, + const void *fill_data, + const void *data ) +{ + + /* Identifiers for the 1st, original dataset */ + hid_t dataset_id1; + hid_t type_id1; + hid_t space_id1; + hid_t plist_id1; + hid_t mem_space_id1; + + /* Identifiers for the 2nd, new dataset */ + hid_t dataset_id2; + hid_t type_id2; + hid_t space_id2; + hid_t plist_id2; + hid_t mem_space_id2; + + hid_t member_type_id; + size_t member_size; + size_t new_member_size = 0; + char *member_name; + hssize_t total_size; + hsize_t nfields; + hsize_t nrecords; + int rank_chunk; + hsize_t dims_chunk[1]; + hsize_t dims[1]; + hsize_t maxdims[1] = { H5S_UNLIMITED }; + hsize_t count[1]; + hssize_t offset[1]; + hsize_t mem_size[1]; + hid_t write_type_id; + hid_t PRESERVE; + size_t curr_offset; + int inserted; + hsize_t idx; + char table_title[255]; + hssize_t member_offset; + char attr_name[255]; + hid_t attr_id; + char aux[255]; + unsigned char *tmp_buf; + unsigned char *tmp_fill_buf; + hsize_t i; + + /* Get the number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &nrecords ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Get information about the old data type + *------------------------------------------------------------------------- + */ + + /* Open the dataset. */ + if ( (dataset_id1 = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get creation properties list */ + if ( (plist_id1 = H5Dget_create_plist( dataset_id1 )) < 0 ) + goto out; + + /* Get the datatype */ + if ( (type_id1 = H5Dget_type( dataset_id1 )) < 0 ) + goto out; + + /* Get the size of the datatype */ + if ( ( total_size = H5Tget_size( type_id1 )) < 0 ) + goto out; + + /* Get the dataspace handle */ + if ( (space_id1 = H5Dget_space( dataset_id1 )) < 0 ) + goto out; + + /* Get dimension */ + if ( H5Sget_simple_extent_dims( space_id1, dims, NULL) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Get attributes + *------------------------------------------------------------------------- + */ + + /* Get the table title */ + if ( (H5TBAget_title( dataset_id1, table_title )) < 0 ) + goto out; + + /* alloc fill value attribute buffer */ + tmp_fill_buf = (unsigned char *)malloc((size_t) total_size ); + + /* Get the fill value attributes */ + if ( (H5TBAget_fill( loc_id, dset_name, dataset_id1, tmp_fill_buf )) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Create a new data type + *------------------------------------------------------------------------- + */ + + /* Get the new member size */ + member_size = H5Tget_size( field_type ); + + /* Create the data type. */ + if (( type_id2 = H5Tcreate (H5T_COMPOUND,(size_t)(total_size + member_size) )) < 0 ) + goto out; + + curr_offset = 0; + inserted = 0; + + /* Insert the old fields, counting with the new one */ + for ( i = 0; i < nfields + 1; i++) + { + + idx = i; + if ( inserted ) + idx = i - 1; + + if ( i == position ) + { + + /* Get the new member size */ + new_member_size = H5Tget_size( field_type ); + + /* Insert the new field type */ + if ( H5Tinsert( type_id2, field_name, curr_offset, field_type ) < 0 ) + goto out; + + curr_offset += new_member_size; + + inserted = 1; + + continue; + + } + + /* Get the member name */ + member_name = H5Tget_member_name( type_id1, (unsigned)idx ); + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( type_id1,(unsigned)idx )) < 0 ) + goto out; + + /* Get the member size */ + member_size = H5Tget_size( member_type_id ); + + /* Insert it into the new type */ + if ( H5Tinsert( type_id2, member_name, curr_offset, member_type_id ) < 0 ) + goto out; + + curr_offset += member_size; + + free( member_name ); + + /* Close the member type */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + + + } /* i */ + +/*------------------------------------------------------------------------- + * Create a new temporary dataset + *------------------------------------------------------------------------- + */ + + /* Retrieve the size of chunk */ + if ( ( rank_chunk = H5Pget_chunk( plist_id1, 1, dims_chunk )) < 0 ) + goto out; + + /* Create a new simple data space with unlimited size, using the dimension */ + if ( ( space_id2 = H5Screate_simple( 1, dims, maxdims )) < 0 ) + return -1; + + /* Modify dataset creation properties, i.e. enable chunking */ + plist_id2 = H5Pcreate (H5P_DATASET_CREATE); + if ( H5Pset_chunk ( plist_id2, 1, dims_chunk ) < 0 ) + return -1; + + /* Create the dataset. */ + if ( ( dataset_id2 = H5Dcreate( loc_id, "new", type_id2, space_id2, plist_id2 )) < 0 ) + goto out; + + +/*------------------------------------------------------------------------- + * Read data from 1st table + *------------------------------------------------------------------------- + */ + + tmp_buf = (unsigned char *)calloc((size_t) nrecords, (size_t)total_size ); + + /* Define a hyperslab in the dataset of the size of the records */ + offset[0] = 0; + count[0] = nrecords; + if ( H5Sselect_hyperslab( space_id1, H5S_SELECT_SET, offset, NULL, count, NULL) < 0 ) + goto out; + + /* Create a memory dataspace handle */ + mem_size[0] = count[0]; + if ( (mem_space_id1 = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + if ( H5Dread( dataset_id1, type_id1, mem_space_id1, H5S_ALL, H5P_DEFAULT, tmp_buf ) < 0 ) + goto out; + + +/*------------------------------------------------------------------------- + * Save data from 1st table into new table, using the 1st type id + *------------------------------------------------------------------------- + */ + + /* Write */ + if ( H5Dwrite( dataset_id2, type_id1, mem_space_id1, H5S_ALL, H5P_DEFAULT, tmp_buf ) < 0 ) + goto out; + + +/*------------------------------------------------------------------------- + * Save the function supplied data of the new field + *------------------------------------------------------------------------- + */ + + + /* Create a write id */ + if ( ( write_type_id = H5Tcreate( H5T_COMPOUND, (size_t)new_member_size )) < 0 ) + goto out; + + /* The field in the file is found by its name */ + if ( H5Tinsert( write_type_id, field_name, 0, field_type ) < 0 ) + goto out; + + /* Create xfer properties to preserve initialized data */ + if ((PRESERVE = H5Pcreate (H5P_DATASET_XFER))<0) + goto out; + if (H5Pset_preserve (PRESERVE, 1)<0) + goto out; + + /* Only write if there is something to write */ + if ( data ) + { + + /* Create a memory dataspace handle */ + if ( (mem_space_id2 = H5Screate_simple( 1, mem_size, NULL )) < 0 ) + goto out; + + /* Write */ + if ( H5Dwrite( dataset_id2, write_type_id, mem_space_id2, space_id2, PRESERVE, data ) < 0 ) + goto out; + + /* Terminate access to the memory dataspace */ + if ( H5Sclose( mem_space_id2 ) < 0 ) + goto out; + } + + /* End access to the property list */ + if ( H5Pclose( PRESERVE ) < 0 ) + goto out; + + + +/*------------------------------------------------------------------------- + * Release resources from 1st table + *------------------------------------------------------------------------- + */ + + /* Terminate access to the memory dataspace */ + if ( H5Sclose( mem_space_id1 ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( type_id1 ) < 0 ) + goto out; + + /* Terminate access to a property list */ + if ( H5Pclose( plist_id1 ) < 0 ) + goto out; + + /* Terminate access to the data space */ + if ( H5Sclose( space_id1 ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id1 ) < 0 ) + goto out; + + +/*------------------------------------------------------------------------- + * Release resources from 2nd table + *------------------------------------------------------------------------- + */ + + /* Terminate access to the dataspace */ + if ( H5Sclose( space_id2 ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( type_id2 ) < 0 ) + return -1; + + /* Terminate access to a property list */ + if ( H5Pclose( plist_id2 ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id2 ) < 0 ) + return -1; +/*------------------------------------------------------------------------- + * Delete 1st table + *------------------------------------------------------------------------- + */ + if ( H5Gunlink( loc_id, dset_name ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Rename 2nd table + *------------------------------------------------------------------------- + */ + + if ( H5Gmove( loc_id, "new", dset_name ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Attach the conforming table attributes + *------------------------------------------------------------------------- + */ + + /* Get the number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &nrecords ) < 0 ) + return -1; + + /* Open the dataset. */ + if ( (dataset_id1 = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get the datatype */ + if ( (type_id1 = H5Dget_type( dataset_id1 )) < 0 ) + goto out; + + /* Set the attributes */ + if ( H5TB_attach_attributes( table_title, loc_id, dset_name,(hsize_t) nfields, type_id1 ) < 0 ) + return -1; +/*------------------------------------------------------------------------- + * Attach the fill attributes from previous table + *------------------------------------------------------------------------- + */ + + if (( space_id1 = H5Screate(H5S_SCALAR)) < 0 ) + goto out; + + for ( i = 0; i < nfields-1; i++) + { + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( type_id1, (unsigned) i )) < 0 ) + goto out; + + /* Get the member offset */ + if ( ( member_offset = H5Tget_member_offset( type_id1, (unsigned) i )) < 0 ) + goto out; + + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d", (int)i ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_FILL" ); + strcat( attr_name, aux ); + + if ( (attr_id = H5Acreate( dataset_id1, attr_name, member_type_id, space_id1, H5P_DEFAULT )) < 0 ) + goto out; + + if ( H5Awrite( attr_id, member_type_id, tmp_fill_buf+member_offset ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + /* Close the member type */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + } + +/*------------------------------------------------------------------------- + * Attach the fill attribute from the new field, if present + *------------------------------------------------------------------------- + */ + if ( fill_data ) + { + + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d",(int)( nfields-1) ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_FILL" ); + strcat( attr_name, aux ); + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( type_id1, (unsigned)nfields-1 )) < 0 ) + goto out; + + if ( (attr_id = H5Acreate( dataset_id1, attr_name, member_type_id, space_id1, H5P_DEFAULT )) < 0 ) + goto out; + + if ( H5Awrite( attr_id, member_type_id, fill_data ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + + } + + /* Close data space. */ + if ( H5Sclose( space_id1 ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( type_id1 ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id1 ) < 0 ) + goto out; + + /* Release resources. */ + free ( tmp_buf ); + free ( tmp_fill_buf ); + + +return 0; + +out: + H5Dclose( dataset_id1 ); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: H5TBdelete_field + * + * Purpose: Deletes a field + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: January 30, 2002 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBdelete_field( hid_t loc_id, + const char *dset_name, + const char *field_name ) +{ + + /* Identifiers for the 1st original dataset */ + hid_t dataset_id1; + hid_t type_id1; + hid_t space_id1; + hid_t plist_id1; + + /* Identifiers for the 2nd new dataset */ + hid_t dataset_id2; + hid_t type_id2; + hid_t space_id2; + hid_t plist_id2; + + hid_t member_type_id; + size_t member_size; + char *member_name; + size_t type_size1; + size_t type_size2; + hsize_t nfields; + hsize_t nrecords; + int rank_chunk; + hsize_t dims_chunk[1]; + hsize_t dims[1]; + hsize_t maxdims[1] = { H5S_UNLIMITED }; + hid_t PRESERVE; + size_t curr_offset; + size_t delete_member_size = 0; + hid_t read_type_id; + hid_t write_type_id; + unsigned char *tmp_buf; + unsigned char *tmp_fill_buf; + char attr_name[255]; + char aux[255]; + char table_title[255]; + size_t member_offset; + hid_t attr_id; + hsize_t i; + int has_fill=0; + + /* Get the number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &nrecords ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Get information about the old data type + *------------------------------------------------------------------------- + */ + + /* Open the dataset. */ + if ( (dataset_id1 = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get creation properties list */ + if ( (plist_id1 = H5Dget_create_plist( dataset_id1 )) < 0 ) + goto out; + + /* Get the datatype */ + if ( (type_id1 = H5Dget_type( dataset_id1 )) < 0 ) + goto out; + + /* Get the size of the datatype */ + type_size1 = H5Tget_size( type_id1 ); + + /* Get the dataspace handle */ + if ( (space_id1 = H5Dget_space( dataset_id1 )) < 0 ) + goto out; + + /* Get dimension */ + if ( H5Sget_simple_extent_dims( space_id1, dims, NULL) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Create a new data type; first we find the size of the datatype to delete + *------------------------------------------------------------------------- + */ + + /* Check out the field */ + for ( i = 0; i < nfields; i++) + { + + /* Get the member name */ + member_name = H5Tget_member_name( type_id1,(unsigned) i ); + + /* We want to find the field to delete */ + if ( H5TB_find_field( member_name, field_name ) > 0 ) + { + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( type_id1,(unsigned) i )) < 0 ) + goto out; + + /* Get the member size */ + delete_member_size = H5Tget_size( member_type_id ); + + /* Close the member type */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + + free( member_name ); + + break; + + } + + free( member_name ); + + } /* i */ + + /* No field to delete was found */ + if ( delete_member_size == 0 ) + goto out; + +/*------------------------------------------------------------------------- + * Create a new data type; we now insert all the fields into the new type + *------------------------------------------------------------------------- + */ + + type_size2 = type_size1 - delete_member_size; + + /* Create the data type. */ + if (( type_id2 = H5Tcreate (H5T_COMPOUND, type_size2 )) < 0 ) + goto out; + + curr_offset = 0; + + /* alloc fill value attribute buffer */ + tmp_fill_buf = (unsigned char *)malloc((size_t) type_size2 ); + +/*------------------------------------------------------------------------- + * Get attributes from previous table in the process + *------------------------------------------------------------------------- + */ + + /* Get the table title */ + if ( (H5TBAget_title( dataset_id1, table_title )) < 0 ) + goto out; + + /* Insert the old fields except the one to delete */ + for ( i = 0; i < nfields; i++) + { + + /* Get the member name */ + member_name = H5Tget_member_name( type_id1, (unsigned) i ); + + /* We want to skip the field to delete */ + if ( H5TB_find_field( member_name, field_name ) > 0 ) + { + free( member_name ); + continue; + } + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( type_id1, (unsigned)i )) < 0 ) + goto out; + + /* Get the member size */ + member_size = H5Tget_size( member_type_id ); + + /* Insert it into the new type */ + if ( H5Tinsert( type_id2, member_name, curr_offset, member_type_id ) < 0 ) + goto out; + + /*------------------------------------------------------------------------- + * Get the fill value information + *------------------------------------------------------------------------- + */ + + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d", (int)i ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_FILL" ); + strcat( attr_name, aux ); + + /* Check if we have the _FILL attribute */ + has_fill = H5LT_find_attribute( dataset_id1, attr_name ); + + /* Get it */ + if ( has_fill == 1 ) + { + if ( H5LT_get_attribute_disk( dataset_id1, attr_name, tmp_fill_buf+curr_offset ) < 0 ) + goto out; + } + + curr_offset += member_size; + + free( member_name ); + + /* Close the member type */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + + } /* i */ + +/*------------------------------------------------------------------------- + * Create a new temporary dataset + *------------------------------------------------------------------------- + */ + + /* Retrieve the size of chunk */ + if ( ( rank_chunk = H5Pget_chunk( plist_id1, 1, dims_chunk )) < 0 ) + goto out; + + /* Create a new simple data space with unlimited size, using the dimension */ + if ( ( space_id2 = H5Screate_simple( 1, dims, maxdims )) < 0 ) + return -1; + + /* Modify dataset creation properties, i.e. enable chunking */ + plist_id2 = H5Pcreate (H5P_DATASET_CREATE); + if ( H5Pset_chunk ( plist_id2, 1, dims_chunk ) < 0 ) + return -1; + + /* Create the dataset. */ + if ( ( dataset_id2 = H5Dcreate( loc_id, "new", type_id2, space_id2, plist_id2 )) < 0 ) + goto out; + +/*------------------------------------------------------------------------- + * We have to read field by field of the old dataset and save it into the new one + *------------------------------------------------------------------------- + */ + for ( i = 0; i < nfields; i++) + { + + /* Get the member name */ + member_name = H5Tget_member_name( type_id1,(unsigned) i ); + + /* Skip the field to delete */ + if ( H5TB_find_field( member_name, field_name ) > 0 ) + { + free( member_name ); + continue; + } + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( type_id1, (unsigned)i )) < 0 ) + goto out; + + /* Get the member size */ + member_size = H5Tget_size( member_type_id ); + + /* Create a read id */ + if ( ( read_type_id = H5Tcreate( H5T_COMPOUND, member_size )) < 0 ) + goto out; + + /* Insert it into the new type */ + if ( H5Tinsert( read_type_id, member_name, 0, member_type_id ) < 0 ) + goto out; + + tmp_buf = (unsigned char *)calloc((size_t) nrecords, member_size ); + + /* Read */ + if ( H5Dread( dataset_id1, read_type_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp_buf ) < 0 ) + goto out; + + /* Create a write id */ + if ( ( write_type_id = H5Tcreate( H5T_COMPOUND, member_size )) < 0 ) + goto out; + + /* The field in the file is found by its name */ + if ( H5Tinsert( write_type_id, member_name, 0, member_type_id ) < 0 ) + goto out; + + /* Create xfer properties to preserve initialized data */ + if ((PRESERVE = H5Pcreate (H5P_DATASET_XFER))<0) + goto out; + if (H5Pset_preserve (PRESERVE, 1)<0) + goto out; + + /* Write */ + if ( H5Dwrite( dataset_id2, write_type_id, H5S_ALL, H5S_ALL, PRESERVE, tmp_buf ) < 0 ) + goto out; + + /* End access to the property list */ + if ( H5Pclose( PRESERVE ) < 0 ) + goto out; + + /* Close the member type */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + + /* Close the read type */ + if ( H5Tclose( read_type_id ) < 0 ) + goto out; + + /* Close the write type */ + if ( H5Tclose( write_type_id ) < 0 ) + goto out; + + /* Release resources. */ + free( member_name ); + free ( tmp_buf ); + + } /* i */ + +/*------------------------------------------------------------------------- + * Release resources from 1st table + *------------------------------------------------------------------------- + */ + + /* Release the datatype. */ + if ( H5Tclose( type_id1 ) < 0 ) + goto out; + + /* Terminate access to a property list */ + if ( H5Pclose( plist_id1 ) < 0 ) + goto out; + + /* Terminate access to the data space */ + if ( H5Sclose( space_id1 ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id1 ) < 0 ) + goto out; + + +/*------------------------------------------------------------------------- + * Release resources from 2nd table + *------------------------------------------------------------------------- + */ + + /* Terminate access to the dataspace */ + if ( H5Sclose( space_id2 ) < 0 ) + goto out; + + /* Release the datatype. */ + if ( H5Tclose( type_id2 ) < 0 ) + return -1; + + /* Terminate access to a property list */ + if ( H5Pclose( plist_id2 ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id2 ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Delete 1st table + *------------------------------------------------------------------------- + */ + + if ( H5Gunlink( loc_id, dset_name ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Rename 2nd table + *------------------------------------------------------------------------- + */ + + if ( H5Gmove( loc_id, "new", dset_name ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Attach the conforming table attributes + *------------------------------------------------------------------------- + */ + + /* Get the number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &nrecords ) < 0 ) + return -1; + + /* Open the dataset. */ + if ( (dataset_id1 = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get the datatype */ + if ( (type_id1 = H5Dget_type( dataset_id1 )) < 0 ) + goto out; + + /* Set the attributes */ + if ( H5TB_attach_attributes( table_title, loc_id, dset_name, nfields, type_id1 ) < 0 ) + return -1; + +/*------------------------------------------------------------------------- + * Attach the fill attributes from previous table + *------------------------------------------------------------------------- + */ + + if ( has_fill == 1 ) + { + + if (( space_id1 = H5Screate(H5S_SCALAR)) < 0 ) + goto out; + + for ( i = 0; i < nfields; i++) + { + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( type_id1, (unsigned)i )) < 0 ) + goto out; + + /* Get the member offset */ + member_offset = H5Tget_member_offset( type_id1, (unsigned)i ); + + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d", (int)i ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_FILL" ); + strcat( attr_name, aux ); + + if ( (attr_id = H5Acreate( dataset_id1, attr_name, member_type_id, space_id1, H5P_DEFAULT )) < 0 ) + goto out; + + if ( H5Awrite( attr_id, member_type_id, tmp_fill_buf+member_offset ) < 0 ) + goto out; + + if ( H5Aclose( attr_id ) < 0 ) + goto out; + + /* Close the member type */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + + } + + /* Close data space. */ + if ( H5Sclose( space_id1 ) < 0 ) + goto out; + + } /*has_fill*/ + + /* Release the datatype. */ + if ( H5Tclose( type_id1 ) < 0 ) + goto out; + + /* End access to the dataset */ + if ( H5Dclose( dataset_id1 ) < 0 ) + goto out; + + /* Release resources. */ + free ( tmp_fill_buf ); + +return 0; + +out: + H5Dclose( dataset_id1 ); + return -1; +} + +/*------------------------------------------------------------------------- + * + * Table attribute functions + * + *------------------------------------------------------------------------- + */ + +/*------------------------------------------------------------------------- + * Function: H5TBAget_title + * + * Purpose: Read the table title + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: January 30, 2001 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBAget_title( hid_t loc_id, + char *table_title ) +{ + + /* Get the TITLE attribute */ + if ( H5LT_get_attribute_disk( loc_id, "TITLE", table_title ) < 0 ) + return -1; + + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: H5TBAget_fill + * + * Purpose: Read the table attribute fill values + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: January 30, 2002 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBAget_fill( hid_t loc_id, + const char *dset_name, + hid_t dset_id, + unsigned char *dst_buf ) +{ + + hsize_t nfields; + hsize_t nrecords; + char attr_name[255]; + char aux[255]; + hsize_t i; + size_t *src_offset; + int has_fill=0; + + /* Get the number of records and fields */ + if ( H5TBget_table_info ( loc_id, dset_name, &nfields, &nrecords ) < 0 ) + return -1; + + src_offset = (size_t *)malloc((size_t)nfields * sizeof(size_t)); + + if (src_offset == NULL ) + return -1; + + /* Get field info */ + if ( H5TBget_field_info( loc_id, dset_name, NULL, NULL, src_offset, NULL ) < 0 ) + goto out; + + for ( i = 0; i < nfields; i++) + { + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d", (int)i ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_FILL" ); + strcat( attr_name, aux ); + + /* Check if we have the _FILL attribute */ + has_fill = H5LT_find_attribute( dset_id, attr_name ); + + /* Get it */ + if ( has_fill == 1 ) + { + if ( H5LT_get_attribute_disk( dset_id, attr_name, dst_buf+src_offset[i] ) < 0 ) + goto out; + } + + } + + free( src_offset ); + + return has_fill; + +out: + free( src_offset ); + return -1; + +} + + +/*------------------------------------------------------------------------- + * + * Inquiry functions + * + *------------------------------------------------------------------------- + */ + +/*------------------------------------------------------------------------- + * Function: H5TBget_table_info + * + * Purpose: Gets the number of records and fields of a table + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 19, 2001 + * + * Comments: + * + * Modifications: May 08, 2003 + * In version 2.0 of Table, the number of records is stored as an + * attribute "NROWS" + * + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBget_table_info ( hid_t loc_id, + const char *dset_name, + hsize_t *nfields, + hsize_t *nrecords ) +{ + hid_t tid; + hid_t sid=-1; + hid_t did; + int num_members; + hsize_t dims[1]; + int has_attr; + hsize_t n[1]; + + /* Open the dataset. */ + if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) + return -1; + + /* Get the datatype */ + if ( (tid = H5Dget_type( did )) < 0 ) + goto out; + + /* Get the number of members */ + if ( (num_members = H5Tget_nmembers( tid )) < 0 ) + goto out; + + if (nfields) + *nfields = num_members; + + +/*------------------------------------------------------------------------- + * Get number of records + *------------------------------------------------------------------------- + */ + + if (nrecords) + { + /* Try to find the attribute "NROWS" */ + has_attr = H5LT_find_attribute( did, "NROWS" ); + + /* It exists, get it */ + if ( has_attr == 1 ) + { + /* Get the attribute */ + if ( H5LTget_attribute(loc_id,dset_name,"NROWS",H5T_NATIVE_LLONG,n)<0) + return -1; + + *nrecords = *n; + } + else + { + /* Get the dataspace handle */ + if ( (sid = H5Dget_space( did )) < 0 ) + goto out; + + /* Get records */ + if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) + goto out; + + /* Terminate access to the dataspace */ + if ( H5Sclose( sid ) < 0 ) + goto out; + + *nrecords = dims[0]; + } + }/*nrecords*/ + + /* close */ + if ( H5Tclose( tid ) < 0 ) + goto out; + if ( H5Dclose( did ) < 0 ) + return -1; + +return 0; + +/* error zone, gracefully close */ +out: + H5E_BEGIN_TRY { + H5Dclose(did); + H5Sclose(sid); + H5Tclose(tid); + } H5E_END_TRY; + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: H5TBget_field_info + * + * Purpose: Get information about fields + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 19, 2001 + * + * Comments: + * + * Modifications: + * + * + *------------------------------------------------------------------------- + */ +herr_t H5TBget_field_info( hid_t loc_id, + const char *dset_name, + char *field_names[], + size_t *field_sizes, + size_t *field_offsets, + size_t *type_size ) +{ + hid_t did; + hid_t ftype_id; + hid_t native_type_id; + hssize_t nfields; + char *member_name; + hid_t member_type_id; + hid_t nativem_type_id; + size_t member_size; + size_t member_offset; + size_t size; + hssize_t i; + + /* Open the dataset. */ + if ( ( did = H5Dopen( loc_id, dset_name )) < 0 ) + goto out; + + /* Get the datatype */ + if ( ( ftype_id = H5Dget_type( did )) < 0 ) + goto out; + + if ((native_type_id = H5Tget_native_type(ftype_id,H5T_DIR_DEFAULT))<0) + goto out; + + /* Get the type size */ + size = H5Tget_size( native_type_id ); + + if ( type_size ) + *type_size = size; + + /* Get the number of members */ + if ( ( nfields = H5Tget_nmembers( ftype_id )) < 0 ) + goto out; + + /* Iterate tru the members */ + for ( i = 0; i < nfields; i++) + { + /* Get the member name */ + member_name = H5Tget_member_name( ftype_id, (unsigned)i ); + + if ( field_names ) + strcpy( field_names[i], member_name ); + + /* Get the member type */ + if ( ( member_type_id = H5Tget_member_type( ftype_id,(unsigned) i )) < 0 ) + goto out; + if ((nativem_type_id = H5Tget_native_type(member_type_id,H5T_DIR_DEFAULT))<0) + goto out; + + /* Get the member size */ + member_size = H5Tget_size( nativem_type_id ); + + if ( field_sizes ) + field_sizes[i] = member_size; + + /* Get the member offset */ + member_offset = H5Tget_member_offset( native_type_id,(unsigned) i ); + + if ( field_offsets ) + field_offsets[i] = member_offset; + + /* Close the member type */ + if ( H5Tclose( member_type_id ) < 0 ) + goto out; + if ( H5Tclose( nativem_type_id ) < 0 ) + goto out; + + free( member_name ); + + } /* i */ + + /* Release the datatype. */ + if ( H5Tclose( ftype_id ) < 0 ) + return -1; + if ( H5Tclose( native_type_id ) < 0 ) + return -1; + + /* End access to the dataset */ + if ( H5Dclose( did ) < 0 ) + return -1; + +return 0; + +out: + H5Dclose( did ); + return -1; + +} + +/*------------------------------------------------------------------------- + * + * Private functions + * + *------------------------------------------------------------------------- + */ + +/*------------------------------------------------------------------------- + * Function: H5TB_find_field + * + * Purpose: Find a string field + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: November 19, 2001 + * + *------------------------------------------------------------------------- + */ + + +int H5TB_find_field( const char *field, const char *field_list ) +{ + const char *start = field_list; + const char *end; + + while ( (end = strstr( start, "," )) != 0 ) { + if ( strncmp(start,field,(size_t)(end-start)) == 0 ) return 1; + start = end + 1; + } + + if ( strcmp( start, field ) == 0 ) return 1; + + return -1; + +} + + +/*------------------------------------------------------------------------- + * Function: H5TB_attach_attributes + * + * Purpose: Private function that creates the conforming table attributes; + * Used by H5TBcombine_tables; not used by H5TBmake_table, which does not read + * the fill value attributes from an existing table + * + * Return: Success: 0, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: December 6, 2001 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TB_attach_attributes( const char *table_title, + hid_t loc_id, + const char *dset_name, + hsize_t nfields, + hid_t tid ) +{ + + char attr_name[255]; + char *member_name; + char aux[255]; + hsize_t i; + + /* Attach the CLASS attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "CLASS", "TABLE" ) < 0 ) + goto out; + + /* Attach the VERSION attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "VERSION", "2.0" ) < 0 ) + goto out; + + /* Attach the TITLE attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, "TITLE", table_title ) < 0 ) + goto out; + + /* Attach the FIELD_ name attribute */ + for ( i = 0; i < nfields; i++) + { + + /* Get the member name */ + member_name = H5Tget_member_name( tid, (unsigned)i ); + + strcpy( attr_name, "FIELD_" ); + sprintf( aux, "%d", (int)i ); + strcat( attr_name, aux ); + sprintf( aux, "%s", "_NAME" ); + strcat( attr_name, aux ); + + /* Attach the attribute */ + if ( H5LTset_attribute_string( loc_id, dset_name, attr_name, member_name ) < 0 ) + goto out; + + free( member_name ); + + } + + return 0; + +out: + return -1; + +} + +/*------------------------------------------------------------------------- + * Function: H5TB_create_type + * + * Purpose: Private function that creates a memory type ID + * + * Return: Success: the memory type ID, Failure: -1 + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: March 31, 2004 + * + * Comments: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +hid_t H5TB_create_type(hid_t loc_id, + const char *dset_name, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + hid_t ftype_id) +{ + hid_t mem_type_id; + hid_t mtype_id=-1; + hid_t nmtype_id=-1; + size_t size_native; + hsize_t nfields; + char **fnames; + unsigned i; + + /* get the number of fields */ + if (H5TBget_table_info(loc_id,dset_name,&nfields,NULL)<0) + return -1; + + if ((fnames=malloc(sizeof(char*)*(size_t)nfields))==NULL) + return -1; + + for ( i=0; i<nfields; i++) + { + if ((fnames[i]=malloc(sizeof(char)*HLTB_MAX_FIELD_LEN))==NULL) { + free(fnames); + return -1; + } + } + + /* get field info */ + if ( H5TBget_field_info(loc_id,dset_name,fnames,NULL,NULL,NULL)<0) + goto out; + + /* create the memory data type */ + if ((mem_type_id=H5Tcreate(H5T_COMPOUND,dst_size))<0) + goto out; + + /* get each field ID and adjust its size, if necessary */ + for ( i=0; i<nfields; i++) + { + if ((mtype_id=H5Tget_member_type(ftype_id,i))<0) + goto out; + if ((nmtype_id=H5Tget_native_type(mtype_id,H5T_DIR_DEFAULT))<0) + goto out; + size_native=H5Tget_size(nmtype_id); + if (dst_sizes[i]!=size_native) + { + if (H5Tset_size(nmtype_id,dst_sizes[i])<0) + goto out; + } + if (H5Tinsert(mem_type_id,fnames[i],dst_offset[i],nmtype_id) < 0 ) + goto out; + if (H5Tclose(mtype_id)<0) + goto out; + if (H5Tclose(nmtype_id)<0) + goto out; + } + + for ( i=0; i<nfields; i++) + { + free (fnames[i]); + } + free (fnames); + + return mem_type_id; + + /* error zone, gracefully close and free */ +out: + H5E_BEGIN_TRY { + H5Tclose(mtype_id); + H5Tclose(nmtype_id); + } H5E_END_TRY; + for ( i=0; i<nfields; i++) + { + if (fnames[i]) + free (fnames[i]); + } + if (fnames) + free (fnames); + return -1; + +} + diff --git a/hl/src/H5TA.h b/hl/src/H5TA.h new file mode 100644 index 0000000..0b75228 --- /dev/null +++ b/hl/src/H5TA.h @@ -0,0 +1,246 @@ + +/**************************************************************************** + * NCSA HDF * + * Scientific Data Technologies * + * National Center for Supercomputing Applications * + * University of Illinois at Urbana-Champaign * + * 605 E. Springfield, Champaign IL 61820 * + * * + * For conditions of distribution and use, see the accompanying * + * hdf/COPYING file. * + * * + ****************************************************************************/ + + +#ifndef _H5TB_H +#define _H5TB_H + +#if 0 +#define H5_TB_DEBUG +#endif + +#include "H5LT.h" + +#define HLTB_MAX_FIELD_LEN 255 + +#if !defined(MAX) +#define MAX(X,Y) ((X)>(Y)?(X):(Y)) +#endif + + + + +#ifdef __cplusplus +extern "C" { +#endif + + +/*------------------------------------------------------------------------- + * + * Create functions + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBmake_table( const char *table_title, + hid_t loc_id, + const char *dset_name, + hsize_t nfields, + hsize_t nrecords, + size_t type_size, + const char *field_names[], + const size_t *field_offset, + const hid_t *field_types, + hsize_t chunk_size, + void *fill_data, + int compress, + const void *data ); + + +/*------------------------------------------------------------------------- + * + * Write functions + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBappend_records( hid_t loc_id, + const char *dset_name, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + const void *data ); + +herr_t H5TBwrite_records( hid_t loc_id, + const char *dset_name, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + const void *data ); + + +herr_t H5TBwrite_fields_name( hid_t loc_id, + const char *dset_name, + const char *field_names, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + const void *data ); + +herr_t H5TBwrite_fields_index( hid_t loc_id, + const char *dset_name, + hsize_t nfields, + const int *field_index, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + const void *data ); + + +/*------------------------------------------------------------------------- + * + * Read functions + * + *------------------------------------------------------------------------- + */ + + + +herr_t H5TBread_table( hid_t loc_id, + const char *dset_name, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + void *dst_buf ); + + +herr_t H5TBread_fields_name( hid_t loc_id, + const char *dset_name, + const char *field_names, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + void *data ); + +herr_t H5TBread_fields_index( hid_t loc_id, + const char *dset_name, + hsize_t nfields, + const int *field_index, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *field_offset, + const size_t *dst_sizes, + void *data ); + + +herr_t H5TBread_records( hid_t loc_id, + const char *dset_name, + hsize_t start, + hsize_t nrecords, + size_t type_size, + const size_t *dst_offset, + const size_t *dst_sizes, + void *data ); + +/*------------------------------------------------------------------------- + * + * Inquiry functions + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBget_table_info ( hid_t loc_id, + const char *dset_name, + hsize_t *nfields, + hsize_t *nrecords ); + +herr_t H5TBget_field_info( hid_t loc_id, + const char *dset_name, + char *field_names[], + size_t *field_sizes, + size_t *field_offsets, + size_t *type_size ); + + +/*------------------------------------------------------------------------- + * + * Manipulation functions + * + *------------------------------------------------------------------------- + */ + + +herr_t H5TBdelete_record( hid_t loc_id, + const char *dset_name, + hsize_t start, + hsize_t nrecords ); + + +herr_t H5TBinsert_record( hid_t loc_id, + const char *dset_name, + hsize_t start, + hsize_t nrecords, + size_t dst_size, + const size_t *dst_offset, + const size_t *dst_sizes, + void *data ); + +herr_t H5TBadd_records_from( hid_t loc_id, + const char *dset_name1, + hsize_t start1, + hsize_t nrecords, + const char *dset_name2, + hsize_t start2 ); + +herr_t H5TBcombine_tables( hid_t loc_id1, + const char *dset_name1, + hid_t loc_id2, + const char *dset_name2, + const char *dset_name3 ); + +herr_t H5TBinsert_field( hid_t loc_id, + const char *dset_name, + const char *field_name, + hid_t field_type, + hsize_t position, + const void *fill_data, + const void *data ); + +herr_t H5TBdelete_field( hid_t loc_id, + const char *dset_name, + const char *field_name ); + + +/*------------------------------------------------------------------------- + * + * Table attribute functions + * + *------------------------------------------------------------------------- + */ + +herr_t H5TBAget_title( hid_t loc_id, + char *table_title ); + +herr_t H5TBAget_fill( hid_t loc_id, + const char *dset_name, + hid_t dset_id, + unsigned char *dst_buf ); + +#ifdef __cplusplus +} +#endif + + +#endif + diff --git a/hl/src/Makefile.in b/hl/src/Makefile.in new file mode 100644 index 0000000..76ab0e1 --- /dev/null +++ b/hl/src/Makefile.in @@ -0,0 +1,34 @@ +## HDF5 Library Makefile(.in) +## +## Copyright (C) 2001 National Center for Supercomputing Applications. +## All rights reserved. +## +## +top_srcdir=@top_srcdir@ +top_builddir=../.. +srcdir=@srcdir@ +@COMMENCE@ + +## Add `-I.' to the C preprocessor flags. +CPPFLAGS=-I. -I$(srcdir) -I$(top_builddir)/src -I$(top_srcdir)/src -I$(top_srcdir)/tools/lib @CPPFLAGS@ + +## This is our main target, but also remove the settings file when cleaning. +LIB=libhdf5_hl.la +LIBHDF5=$(top_builddir)/src/libhdf5.la +CLEAN= + +## Source and object files for the library (lexicographically)... +LIB_SRC=H5LT.c H5TA.c H5IM.c + +LIB_OBJ=$(LIB_SRC:.c=.lo) + +## Temporary files +MOSTLYCLEAN= + +## Public header files (to be installed)... +PUB_HDR=H5IM.h H5LT.h H5TA.h H5HL.h + +## Other header files (not to be installed)... +PRIVATE_HDR= + +@CONCLUDE@ |