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Diffstat (limited to 'hl/src/H5TBpublic.h')
| -rw-r--r-- | hl/src/H5TBpublic.h | 539 |
1 files changed, 539 insertions, 0 deletions
diff --git a/hl/src/H5TBpublic.h b/hl/src/H5TBpublic.h index 1750490..042bf99 100644 --- a/hl/src/H5TBpublic.h +++ b/hl/src/H5TBpublic.h @@ -18,6 +18,64 @@ extern "C" { #endif +/**\defgroup H5TB Table + * + * <em>Creating and manipulating HDF5 datasets intended to be + * interpreted as tables (H5TB)</em> + * + * The HDF5 Table API defines a standard storage for HDF5 datasets + * that are intended to be interpreted as tables. A table is defined + * as a collection of records whose values are stored in fixed-length + * fields. All records have the same structure, and all values in + * each field have the same data type. + * + * \note \Bold{Programming hints:} + * \note To use any of these functions or subroutines, + * you must first include the relevant include file (C) or + * module (Fortran) in your application. + * \note The following line includes the HDF5 Table package, H5TB, + * in C applications: + * \code #include "hdf5_hl.h" \endcode + * \note To include the H5TB module in Fortran applications specify: + * \code use h5tb \endcode + * Fortran applications must also include \ref H5open before + * any HDF5 calls to initialize global variables and \ref H5close + * after all HDF5 calls to close the Fortran interface. + * + * - Creation + * - \ref H5TBmake_table + * - Storage + * - \ref H5TBappend_records (No Fortran) + * - \ref H5TBwrite_records (No Fortran) + * - \ref H5TBwrite_fields_name + * - \ref H5TBwrite_fields_index + * . + * - Modification + * - \ref H5TBdelete_record (No Fortran) + * - \ref H5TBinsert_record (No Fortran) + * - \ref H5TBadd_records_from (No Fortran) + * - \ref H5TBcombine_tables (No Fortran) + * - \ref H5TBinsert_field + * - \ref H5TBdelete_field + * . + * - Retrieval + * - \ref H5TBread_table + * - \ref H5TBread_records (No Fortran) + * - \ref H5TBread_fields_name + * - \ref H5TBread_fields_index + * . + * - Query + * - \ref H5TBget_table_info + * - \ref H5TBget_field_info + * . + * - Query Table Attributes + * - \ref H5TBAget_fill + * - \ref H5TBAget_title + * . + * . + * + */ + /*------------------------------------------------------------------------- * * Create functions @@ -25,6 +83,38 @@ extern "C" { *------------------------------------------------------------------------- */ +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * \brief Creates and writes a table + * + * \param[in] table_title The title of the table + * \fg_loc_id + * \param[in] dset_name The name of the dataset to create + * \param[in] nfields The number of fields + * \param[in] nrecords The number of records + * \param[in] type_size The size in bytes of the structure + * associated with the table; + * This value is obtained with \c sizeof(). + * \param[in] field_names An array containing the names of + * the fields + * \param[in] field_offset An array containing the offsets of + * the fields + * \param[in] field_types An array containing the type of + * the fields + * \param[in] chunk_size The chunk size + * \param[in] fill_data Fill values data + * \param[in] compress Flag that turns compression on or off + * \param[in] buf Buffer with data to be written to the table + * + * \return \herr_t + * + * \details H5TBmake_table() creates and writes a dataset named + * \p dset_name attached to the object specified by the + * identifier loc_id. + * + */ H5_HLDLL 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, @@ -37,17 +127,128 @@ H5_HLDLL herr_t H5TBmake_table(const char *table_title, hid_t loc_id, const char *------------------------------------------------------------------------- */ +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * \brief Adds records to the end of the table + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to overwrite + * \param[in] nrecords The number of records to append + * \param[in] type_size The size of the structure type, + * as calculated by \c sizeof(). + * \param[in] field_offset An array containing the offsets of + * the fields. These offsets can be + * calculated with the #HOFFSET macro + * \param[in] dst_sizes An array containing the sizes of + * the fields + * \param[in] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBappend_records() adds records to the end of the table + * named \p dset_name attached to the object specified by the + * identifier \p loc_id. The dataset is extended to hold the + * new records. + * + */ H5_HLDLL 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 *buf); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * \brief Overwrites records + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to overwrite + * \param[in] start The zero index record to start writing + * \param[in] nrecords The number of records to write + * \param[in] type_size The size of the structure type, as + * calculated by \c sizeof(). + * \param[in] field_offset An array containing the offsets of + * the fields. These offsets can be + * calculated with the #HOFFSET macro + * \param[in] dst_sizes An array containing the sizes of + * the fields + * \param[in] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBwrite_records() overwrites records starting at the zero + * index position start of the table named \p dset_name attached + * to the object specified by the identifier \p loc_id. + * + */ H5_HLDLL 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 *buf); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * \brief Overwrites fields + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to overwrite + * \param[in] field_names The names of the fields to write + * \param[in] start The zero index record to start writing + * \param[in] nrecords The number of records to write + * \param[in] type_size The size of the structure type, as + * calculated by \c sizeof(). + * \param[in] field_offset An array containing the offsets of + * the fields. These offsets can be + * calculated with the #HOFFSET macro + * \param[in] dst_sizes An array containing the sizes of + * the fields + * \param[in] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBwrite_fields_name() overwrites one or several fields + * specified by \p field_names with data in \p buf from a + * dataset named \p dset_name attached to the object specified + * by the identifier \p loc_id. + * + */ H5_HLDLL 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 *buf); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * \brief Overwrites fields + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to overwrite + * \param[in] nfields The number of fields to overwrite. + * This parameter is also the size of the + * \p field_index array. + * \param[in] field_index The indexes of the fields to write + * \param[in] start The zero based index record to start writing + * \param[in] nrecords The number of records to write + * \param[in] type_size The size of the structure type, as + * calculated by \c sizeof(). + * \param[in] field_offset An array containing the offsets of + * the fields. These offsets can be + * calculated with the #HOFFSET macro + * \param[in] dst_sizes An array containing the sizes of + * the fields + * \param[in] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBwrite_fields_index() overwrites one or several fields + * specified by \p field_index with a buffer \p buf from a + * dataset named \p dset_name attached to the object + * specified by the identifier \p loc_id. + * + */ H5_HLDLL 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, @@ -60,18 +261,128 @@ H5_HLDLL herr_t H5TBwrite_fields_index(hid_t loc_id, const char *dset_name, hsiz *------------------------------------------------------------------------- */ +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * \brief Reads a table + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to read + * \param[in] dst_size The size of the structure type, + * as calculated by \c sizeof() + * \param[in] dst_offset An array containing the offsets of + * the fields. These offsets can be + * calculated with the #HOFFSET macro + * \param[in] dst_sizes An array containing the sizes of + * the fields. These sizes can be + * calculated with the sizeof() macro. + * \param[in] dst_buf Buffer with data + * + * \return \herr_t + * + * \details H5TBread_table() reads a table named + * \p dset_name attached to the object specified by + * the identifier \p loc_id. + * + */ H5_HLDLL 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); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * \brief Reads one or several fields. The fields are identified by name. + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to read + * \param[in] field_names An array containing the names of the + * fields to read + * \param[in] start The start record to read from + * \param[in] nrecords The number of records to read + * \param[in] type_size The size in bytes of the structure associated + * with the table + * (This value is obtained with \c sizeof().) + * \param[in] field_offset An array containing the offsets of the fields + * \param[in] dst_sizes An array containing the size in bytes of + * the fields + * \param[out] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBread_fields_name() reads the fields identified + * by \p field_names from a dataset named \p dset_name + * attached to the object specified by the identifier \p loc_id. + * + */ H5_HLDLL 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 *buf); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Reads one or several fields. The fields are identified by index. + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to read + * \param[in] nfields The number of fields to read + * (This parameter is also the size of the + * \p field_index array.) + * fields to read + * \param[in] field_index The indexes of the fields to read + * \param[in] start The start record to read from + * \param[in] nrecords The number of records to read + * \param[in] type_size The size in bytes of the structure associated + * with the table + * (This value is obtained with \c sizeof()) + * \param[in] field_offset An array containing the offsets of the fields + * \param[in] dst_sizes An array containing the size in bytes of + * the fields + * \param[out] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBread_fields_index() reads the fields identified + * by \p field_index from a dataset named \p dset_name attached + * to the object specified by the identifier \p loc_id. + * + */ H5_HLDLL 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 *buf); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Reads records + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to read + * \param[in] start The start record to read from + * \param[in] nrecords The number of records to read + * \param[in] type_size The size of the structure type, + * as calculated by \c sizeof() + * \param[in] dst_offset An array containing the offsets of the + * fields. These offsets can be calculated + * with the #HOFFSET macro + * \param[in] dst_sizes An array containing the size in bytes of + * the fields + * \param[out] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBread_records() reads some records identified from a dataset + * named \p dset_name attached to the object specified by the + * identifier \p loc_id. + * + */ H5_HLDLL 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 *buf); @@ -83,8 +394,52 @@ H5_HLDLL herr_t H5TBread_records(hid_t loc_id, const char *dset_name, hsize_t st *------------------------------------------------------------------------- */ +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Gets the table dimensions + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to read + * \param[out] nfields The number of fields + * \param[out] nrecords The number of records + * + * \return \herr_t + * + * \details H5TBget_table_info() retrieves the table dimensions from a + * dataset named \p dset_name attached to the object specified + * by the identifier \p loc_id. + * + */ H5_HLDLL herr_t H5TBget_table_info(hid_t loc_id, const char *dset_name, hsize_t *nfields, hsize_t *nrecords); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Gets information about a table + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset to read + * \param[out] field_names An array containing the names of the fields + * \param[out] field_sizes An array containing the size of the fields + * \param[out] field_offsets An array containing the offsets of the fields + * \param[out] type_size The size of the HDF5 datatype associated + * with the table. (More specifically, + * the size in bytes of the HDF5 compound + * datatype used to define a row, or record, + * in the table) + * + * \return \herr_t + * + * \details H5TBget_field_info() gets information about a dataset + * named \p dset_name attached to the object specified + * by the identifier \p loc_id. + * + */ H5_HLDLL 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); @@ -95,21 +450,162 @@ H5_HLDLL herr_t H5TBget_field_info(hid_t loc_id, const char *dset_name, char *fi *------------------------------------------------------------------------- */ +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Delete records + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset + * \param[in] start The start record to delete from + * \param[in] nrecords The number of records to delete + * + * \return \herr_t + * + * \details H5TBdelete_record() deletes nrecords number of records starting + * from \p start from the middle of the table \p dset_name + * ("pulling up" all the records after it). + * + */ H5_HLDLL herr_t H5TBdelete_record(hid_t loc_id, const char *dset_name, hsize_t start, hsize_t nrecords); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Insert records + * + * \fg_loc_id + * \param[in] dset_name The name of the dataset + * \param[in] start The position to insert + * \param[in] nrecords The number of records to insert + * \param[in] dst_size The size in bytes of the structure + * associated with the table + * \param[in] dst_offset An array containing the offsets of the + * fields + * \param[in] dst_sizes An array containing the size in bytes of + * the fields + * \param[in] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBinsert_record() inserts records into the middle of the table + * ("pushing down" all the records after it) + * + */ H5_HLDLL 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 *buf); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Add records from first table to second table + * + * \fg_loc_id + * \param[in] dset_name1 The name of the dataset to read the records + * \param[in] start1 The position to read the records from the + * first table + * \param[in] nrecords The number of records to read from the first + * table + * \param[in] dset_name2 The name of the dataset to write the records + * \param[in] start2 The position to write the records on the + * second table + * + * \return \herr_t + * + * \details H5TBadd_records_from() adds records from a dataset named + * \p dset_name1 to a dataset named \p dset_name2. Both tables + * are attached to the object specified by the identifier loc_id. + * + */ H5_HLDLL 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); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Combines records from two tables into a third + * + * \param[in] loc_id1 Identifier of the file or group in which + * the first table is located + * \param[in] dset_name1 The name of the first table to combine + * \param[in] loc_id2 Identifier of the file or group in which + * the second table is located + * \param[in] dset_name2 The name of the second table to combine + * \param[in] dset_name3 The name of the new table + * + * \return \herr_t + * + * \details H5TBcombine_tables() combines records from two datasets named + * \p dset_name1 and \p dset_name2, to a new table named + * \p dset_name3. These tables can be located on different files, + * identified by \p loc_id1 and \p loc_id2 (identifiers obtained + * with H5Fcreate()). They can also be located on the same file. + * In this case one uses the same identifier for both parameters + * \p loc_id1 and \p loc_id2. If two files are used, the third + * table is written in the first file. + * + */ H5_HLDLL herr_t H5TBcombine_tables(hid_t loc_id1, const char *dset_name1, hid_t loc_id2, const char *dset_name2, const char *dset_name3); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Insert a new field into a table + * + * \fg_loc_id + * \param[in] dset_name The name of the table + * \param[in] field_name The name of the field to insert + * \param[in] field_type The data type of the field + * \param[in] position The zero based index position where to + * insert the field + * \param[in] fill_data Fill value data for the field. This parameter + * can be NULL + * \param[in] buf Buffer with data + * + * \return \herr_t + * + * \details H5TBinsert_field() inserts a new field named \p field_name into + * the table \p dset_name. Note: this function requires the table + * to be re-created and rewritten in its entirety, and this can result + * in some unused space in the file, and can also take a great deal of + * time if the table is large. + * + */ H5_HLDLL 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 *buf); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Deletes a field from a table + * + * \fg_loc_id + * \param[in] dset_name The name of the table + * \param[in] field_name The name of the field to delete + * + * \return \herr_t + * + * \details H5TBdelete_field() deletes a field named \p field_name from the + * table \p dset_name. Note: this function requires the table to be + * re-created and rewritten in its entirety, and this can result in + * some unused space in the file, and can also take a great deal of + * time if the table is large. + * + */ H5_HLDLL herr_t H5TBdelete_field(hid_t loc_id, const char *dset_name, const char *field_name); /*------------------------------------------------------------------------- @@ -119,8 +615,51 @@ H5_HLDLL herr_t H5TBdelete_field(hid_t loc_id, const char *dset_name, const char *------------------------------------------------------------------------- */ +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Reads a table's title + * + * \fg_loc_id + * \param[out] table_title Buffer for title name + * + * \return \herr_t + * + * \details H5TBget_title() returns the title of the table identified + * by \p loc_id in a buffer \p table_title. + * + */ H5_HLDLL herr_t H5TBAget_title(hid_t loc_id, char *table_title); +/** + * -------------------------------------------------------------------------- + * \ingroup H5TB + * + * + * \brief Reads the table attribute fill values + * + * \fg_loc_id + * \param[in] dset_name Name of table + * \param[in] dset_id Table identifier + * \param[out] dst_buf Buffer of fill values for table fields + * + * \return + * \return A return value of 1 indicates that a fill value is present. + * \return A return value of 0 indicates a fill value is not present. + * \return A return value <0 indicates an error. + * + * + * \details H5TBget_fill() reads the table attribute fill values into + * the buffer \p dst_buf for the table specified by \p dset_id + * and \p dset_name located in \p loc_id. + * + * + * \par Example + * \include H5TBAget_fill.c + * + */ H5_HLDLL htri_t H5TBAget_fill(hid_t loc_id, const char *dset_name, hid_t dset_id, unsigned char *dst_buf); #ifdef __cplusplus |