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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <string>
#include "H5Include.h"
#include "H5RefCounter.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5Object.h"
#include "H5DcreatProp.h"
#include "H5CommonFG.h"
#include "H5DataType.h"
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
//--------------------------------------------------------------------------
///\brief Constant for default property
//--------------------------------------------------------------------------
const DSetCreatPropList DSetCreatPropList::DEFAULT( H5P_DEFAULT );
//--------------------------------------------------------------------------
// Function: DSetCreatPropList default constructor
///\brief Default Constructor: Creates a dataset creation property list
//--------------------------------------------------------------------------
DSetCreatPropList::DSetCreatPropList() : PropList( H5P_DATASET_CREATE) {}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList copy constructor
///\brief Copy Constructor: Makes a copy of the original
/// DSetCreatPropList object
//--------------------------------------------------------------------------
DSetCreatPropList::DSetCreatPropList( const DSetCreatPropList& orig ) : PropList( orig ) {}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setChunk
///\brief Sets the size of the chunks used to store a chunked layout
/// dataset.
///\param ndims - IN: Number of dimensions of each chunk
///\param dim - IN: Array containing the size of each chunk
///\exception H5::PropListIException
///\par Description
/// The \a ndims parameter currently must have the same value as
/// the rank of the dataset. The values of the \a dim array
/// define the size of the chunks to store the dataset's raw
/// data. As a side-effect, the layout of the dataset will be
/// changed to \c H5D_CHUNKED, if it is not so already.
//--------------------------------------------------------------------------
void DSetCreatPropList::setChunk( int ndims, const hsize_t* dim ) const
{
herr_t ret_value = H5Pset_chunk( id, ndims, dim );
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setChunk", "H5Pset_chunk failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getChunk
///\brief Retrieves the size of the chunks used to store a chunked
/// layout dataset.
///\param max_ndims - IN: Size of \a dim array
///\param dim - OUT: Array to store the chunk dimensions
///\exception H5::PropListIException
//--------------------------------------------------------------------------
int DSetCreatPropList::getChunk( int max_ndims, hsize_t* dim ) const
{
int chunk_size = H5Pget_chunk( id, max_ndims, dim );
if( chunk_size < 0 )
{
throw PropListIException("DSetCreatPropList::getChunk",
"H5Pget_chunk returns negative chunk size");
}
return( chunk_size );
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setLayout
///\brief Sets the type of storage used store the raw data for a dataset.
///\param plist - IN: Property list id, here by mistake, should be removed
///\param layout - IN: Type of storage layout for raw data
///\exception H5::PropListIException
///\par Description
/// For information on setting layout type, please refer to
/// http://hdf.ncsa.uiuc.edu/HDF5/doc/RM_H5P.html#Property-SetLayout
//--------------------------------------------------------------------------
void DSetCreatPropList::setLayout(hid_t plist, H5D_layout_t layout ) const
{
herr_t ret_value = H5Pset_layout( id, layout );
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setLayout",
"H5Pset_layout failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getLayout
///\brief Retrieves the layout type of this property list
///\return Layout type, which can be:
/// \li \c H5D_COMPACT - raw data is stored in the object
/// header in the file.
/// \li \c H5D_CONTIGUOUS - raw data is stored separately from the
/// object header in one contiguous chunk in
/// the file.
/// \li \c H5D_CHUNKED - raw data is stored separately from the
/// object header in chunks in separate locations
/// in the file.
///\exception H5::PropListIException
///\par Description
//--------------------------------------------------------------------------
H5D_layout_t DSetCreatPropList::getLayout() const
{
H5D_layout_t layout = H5Pget_layout( id );
if( layout == H5D_LAYOUT_ERROR )
{
throw PropListIException("DSetCreatPropList::getLayout",
"H5Pget_layout returns H5D_LAYOUT_ERROR");
}
return( layout );
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setDeflate
///\brief Sets compression method and compression level
///\param level - IN: Compression level, should [0..9], inclusive
///\exception H5::PropListIException
///\par Description
/// The function sets the compression method for this property
/// list to \c H5D_COMPRESS_DEFLATE and the compression level to
/// \a level. Lower compression levels are faster but result in
/// less compression.
//--------------------------------------------------------------------------
void DSetCreatPropList::setDeflate( int level ) const
{
herr_t ret_value = H5Pset_deflate( id, level );
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setDeflate",
"H5Pset_deflate failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setFillValue
///\brief Sets a dataset fill value
///\param fvalue_type - IN: Data type for the value passed via \a value
///\param value - IN: Pointer to buffer containing the fill value
///\exception H5::PropListIException
///\par Description
/// The datatype may differ from that of the dataset, but it must
/// be one that the HDF5 library is able to convert \a value to
/// the dataset datatype when the dataset is created.
/// The default fill value is 0 (zero,) which is interpreted
/// according to the actual dataset datatype.
///\par
/// For information on setting fill value, please refer to the
/// C layer Reference Manual at:
/// http://hdf.ncsa.uiuc.edu/HDF5/doc/RM_H5P.html#Property-SetFillValue
//--------------------------------------------------------------------------
void DSetCreatPropList::setFillValue( const DataType& fvalue_type, const void* value ) const
{
herr_t ret_value = H5Pset_fill_value( id, fvalue_type.getId(), value );
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setFillValue",
"H5Pset_fill_value failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getFillValue
///\brief Retrieves a dataset fill value
///\param fvalue_type - IN: Data type for the value passed via \a value
///\param value - OUT: Pointer to buffer to hold the retrieved fill value
///\exception H5::PropListIException
///\par Description
/// The fill value is returned through \a value pointer
/// and the memory is allocated by the caller. The fill
/// value will be converted from its current data type to the
/// specified by \a fvalue_type.
//--------------------------------------------------------------------------
void DSetCreatPropList::getFillValue( const DataType& fvalue_type, void* value ) const
{
herr_t ret_value = H5Pget_fill_value( id, fvalue_type.getId(), value );
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::getFillValue",
"H5Pget_fill_value failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::isFillValueDefined
///\brief Check if fill value has been defined for this property
///\return
/// \li \c H5D_FILL_VALUE_UNDEFINED =0,
/// \li \c H5D_FILL_VALUE_DEFAULT =1,
/// \li \c H5D_FILL_VALUE_USER_DEFINED =2
///\exception H5::PropListIException
//--------------------------------------------------------------------------
H5D_fill_value_t DSetCreatPropList::isFillValueDefined()
{
H5D_fill_value_t status;
herr_t ret_value = H5Pfill_value_defined(id, &status);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::isFillValueDefined",
"H5Pfill_value_defined returned H5D_FILL_VALUE_ERROR (-1)");
}
else
return (status);
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setFilter
///\brief Adds a filter to the filter pipeline
///\param filter_id - IN: Filter to add
///\param flags - IN: Specifies general properties of the filter
///\param cd_nelmts - IN: Number of elements in cd_values
///\param cd_values - IN: Auxiliary data for the filter
///\exception H5::PropListIException
///\par Description
/// The \a flags argument is a bit vector of the field:
/// \c H5Z_FLAG_OPTIONAL(0x0001)
///\par
/// If this bit is set then the filter is optional. If the filter
/// fails during a \c DataSet::write() operation then the filter
/// is just excluded from the pipeline for the chunk for which it
/// failed; the filter will not participate in the pipeline
/// during a \c DataSet::read() of the chunk. If this bit is clear
/// and the filter fails then the entire I/O operation fails.
//--------------------------------------------------------------------------
void DSetCreatPropList::setFilter( H5Z_filter_t filter_id, unsigned int flags, size_t cd_nelmts, const unsigned int cd_values[] ) const
{
herr_t ret_value = H5Pset_filter( id, filter_id, flags, cd_nelmts, cd_values );
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setFilter",
"H5Pset_filter failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::removeFilter
///\brief Removes one or more filters
///\param filter_id - IN: Filter to remove
///\exception H5::PropListIException
///\par Description
/// Deletes a filter from the dataset creation property list;
/// deletes all filters if \a filter_id is \c H5Z_FILTER_NONE.
//--------------------------------------------------------------------------
void DSetCreatPropList::removeFilter(H5Z_filter_t filter_id) const
{
herr_t ret_value = H5Premove_filter( id, filter_id);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::removeFilter",
"H5Premove_filter failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getNfilters
///\brief Returns the number of filters in the pipeline
///\return Number of filters
///\exception H5::PropListIException
//--------------------------------------------------------------------------
int DSetCreatPropList::getNfilters() const
{
int num_filters = H5Pget_nfilters( id );
if( num_filters < 0 )
{
throw PropListIException("DSetCreatPropList::getNfilters",
"H5Pget_nfilters returned negative number of filters");
}
else
return( num_filters );
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getFilter
///\brief Returns information about a filter in a pipeline
///\param filter_number - IN: Filter to get, range [0..N-1], where
/// N is returned by H5Pget_nfilters()
///\param flags - OUT: General properties of the filter
///\param cd_nelmts - IN/OUT: Number of elements in \a cd_values /Number
/// of values defined by the filter
///\param cd_values - OUT: Array to hold the data; allocated by the user
///\param namelen - OUT: Length of \a name
///\param name - OUT: Name of the filter
///\return Filter id
///\exception H5::PropListIException
///\par Description
/// Failure occurs when \a filter_number is out of range.
//--------------------------------------------------------------------------
H5Z_filter_t DSetCreatPropList::getFilter( int filter_number, unsigned int& flags, size_t& cd_nelmts, unsigned int* cd_values, size_t namelen, char name[] ) const
{
H5Z_filter_t filter_id;
filter_id = H5Pget_filter(id, filter_number, &flags, &cd_nelmts,
cd_values, namelen, name);
if (filter_id == H5Z_FILTER_ERROR)
{
throw PropListIException("DSetCreatPropList::getFilter",
"H5Pget_filter returned H5Z_FILTER_ERROR");
}
else
return(filter_id);
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getFilterById
///\brief Returns information about a filter in a pipeline given the
/// filter id
///\param filter_id - IN: Filter to get
///\param flags - OUT: General properties of the filter
///\param cd_nelmts - IN/OUT: Number of elements in \a cd_values /Number
/// of values defined by the filter
///\param cd_values - OUT: Array to hold the data; allocated by the user
///\param namelen - IN: Length of \a name
///\param name - OUT: Name of the filter
///\exception H5::PropListIException
//--------------------------------------------------------------------------
void DSetCreatPropList::getFilterById(H5Z_filter_t filter_id, unsigned int &flags, size_t &cd_nelmts, unsigned int* cd_values, size_t namelen, char name[]) const
{
herr_t ret_value = H5Pget_filter_by_id(id, filter_id, &flags, &cd_nelmts,
cd_values, namelen, name );
if (ret_value < 0)
{
throw PropListIException("DSetCreatPropList::getFilterById",
"H5Pget_filter_by_id failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::modifyFilter
///\brief Modifies the specified filter
///\param filter_id - IN: Filter to get
///\param flags - OUT: General properties of the filter
///\param cd_nelmts - IN: Number of elements in \a cd_values
/// \n OUT: Number of values defined by the filter
///\param cd_values - OUT: Array to hold the data; allocated by the user
///\exception H5::PropListIException
///\par Description
/// The \a flags argument is a bit vector of the field:
/// \c H5Z_FLAG_OPTIONAL(0x0001)
///\par
/// If this bit is set then the filter is optional. If the filter
/// fails during a DataSet::write() operation then the filter
/// is just excluded from the pipeline for the chunk for which it
/// failed; the filter will not participate in the pipeline
/// during a DataSet::read() of the chunk. If this bit is clear
/// and the filter fails then the entire I/O operation fails.
//--------------------------------------------------------------------------
void DSetCreatPropList::modifyFilter( H5Z_filter_t filter_id, unsigned int flags, size_t cd_nelmts, const unsigned int cd_values[] ) const
{
herr_t ret_value = H5Pmodify_filter(id, filter_id, flags, cd_nelmts, cd_values);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::modifyFilter",
"H5Pmodify_filter failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::allFiltersAvail
///\brief Queries whether all the filters set in this property list
/// are available currently.
///\return true if all filters available, and false if one or more
/// filters not currently available
///\exception H5::PropListIException
//--------------------------------------------------------------------------
bool DSetCreatPropList::allFiltersAvail()
{
htri_t ret_value = H5Pall_filters_avail(id);
if( ret_value > 0 )
return true;
else if( ret_value == 0 )
return false;
else // Raise exception when H5Pall_filters_avail returns a negative value
{
throw PropListIException("DSetCreatPropList::allFiltersAvail", "H5Pall_filters_avail returned negative value");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setShuffle
///\brief Sets method of the shuffle filter
///\exception H5::PropListIException
///\par Description
/// Please refer to the Reference Manual of \c H5Pset_shuffle for
/// details.
/// http://hdf.ncsa.uiuc.edu/HDF5/doc/RM_H5P.html#Property-SetShuffle
//--------------------------------------------------------------------------
void DSetCreatPropList::setShuffle()
{
herr_t ret_value = H5Pset_shuffle(id);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setShuffle",
"H5Pset_shuffle failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getAllocTime
///\brief Get space allocation time for this property.
///\return Space allocation time.
///\exception H5::PropListIException
///\par Description
/// The values of space allocation time can be one of the
/// followings:
/// \li \c H5D_ALLOC_TIME_DEFAULT
/// \li \c H5D_ALLOC_TIME_EARLY
/// \li \c H5D_ALLOC_TIME_LATE
/// \li \c H5D_ALLOC_TIME_INCR
//--------------------------------------------------------------------------
H5D_alloc_time_t DSetCreatPropList::getAllocTime()
{
H5D_alloc_time_t alloc_time;
herr_t ret_value = H5Pget_alloc_time(id, &alloc_time);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::getAllocTime",
"H5Pget_alloc_time failed");
}
else
return (alloc_time);
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getFillTime
///\brief Gets fill value writing time.
///\return Fill value writing time
///\exception H5::PropListIException
///\par Description
/// Valid values for fill value writing time include
/// \li \c H5D_FILL_TIME_NEVER
/// \li \c H5D_FILL_TIME_ALLOC.
//--------------------------------------------------------------------------
H5D_fill_time_t DSetCreatPropList::getFillTime()
{
H5D_fill_time_t fill_time;
herr_t ret_value = H5Pget_fill_time(id, &fill_time);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::getFillTime",
"H5Pget_fill_time failed");
}
else
return (fill_time);
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setAllocTime
///\brief Sets space allocation time for dataset during creation.
///\param alloc_time - IN: Allocation time
///\exception H5::PropListIException
///\par Description
/// Valid values for space allocation time include:
/// \li \c H5D_ALLOC_TIME_DEFAULT
/// \li \c H5D_ALLOC_TIME_EARLY
/// \li \c H5D_ALLOC_TIME_LATE
/// \li \c H5D_ALLOC_TIME_INCR
//--------------------------------------------------------------------------
void DSetCreatPropList::setAllocTime(H5D_alloc_time_t alloc_time)
{
herr_t ret_value = H5Pset_alloc_time(id, alloc_time);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setAllocTime",
"H5Pset_alloc_time failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setFillTime
///\brief Sets fill value writing time for dataset.
///\return Fill value writing time
///\exception H5::PropListIException
///\par Description
/// Valid values for fill value writing time include
/// \li \c H5D_FILL_TIME_NEVER
/// \li \c H5D_FILL_TIME_ALLOC.
//--------------------------------------------------------------------------
void DSetCreatPropList::setFillTime(H5D_fill_time_t fill_time)
{
herr_t ret_value = H5Pset_fill_time(id, fill_time);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setFillTime",
"H5Pset_fill_time failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setFletcher32
///\brief Sets Fletcher32 checksum of EDC for this property list.
///\exception H5::PropListIException
//--------------------------------------------------------------------------
void DSetCreatPropList::setFletcher32()
{
herr_t ret_value = H5Pset_fletcher32(id);
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setFletcher32",
"H5Pset_fletcher32 failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::setExternal
///\brief Adds an external file to the list of external files
///\param name - IN: Name of the external file
///\param offset - IN: Location where the data starts in the file
///\param size - IN: Number of bytes reserved in the file for the data
///\exception H5::PropListIException
///\par Description
/// If a dataset is splitted across multiple files then the files
/// should be defined in order. The total size of the dataset is
/// the sum of the \a size arguments for all the external files. If
/// the total size is larger than the size of a dataset then the
/// dataset can be extended (provided the data space also allows
/// the extending).
//--------------------------------------------------------------------------
void DSetCreatPropList::setExternal( const char* name, off_t offset, hsize_t size ) const
{
herr_t ret_value = H5Pset_external( id, name, offset, size );
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::setExternal",
"H5Pset_external failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getExternalCount
///\brief Returns the number of external files for a dataset
///\return Number of external files
///\exception H5::PropListIException
//--------------------------------------------------------------------------
int DSetCreatPropList::getExternalCount() const
{
int num_ext_files = H5Pget_external_count( id );
if( num_ext_files < 0 )
{
throw PropListIException("DSetCreatPropList::getExternalCount",
"H5Pget_external_count returns negative number of external files");
}
else
return( num_ext_files );
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList::getExternal
///\brief Returns information about an external file
///\param idx - IN: Index of the external file, ranges [0-(N-1)] and
/// returned by getExternalCount()
///\param name_size - IN: Maximum length of \a name
///\param name - IN: Name of the external file
///\param offset - IN: Location to return an offset value
///\param size - OUT: Location to return the size of the external file data
///\exception H5::PropListIException
///\par Description
/// The parameter \a idx ranges [0..N-1] where N is returned by
/// getExternalCount(). At most \a name_size characters are copied
/// into the name array. If the external file name is longer than
/// name_size with the null terminator, the return value is not
/// null terminated (similar to strncpy()).
/// If \a name_size is zero or \a name is a null pointer, the
/// external file name will not be returned. If \a offset or
/// \a size are null pointers then the corresponding information
/// will not be returned.
//--------------------------------------------------------------------------
void DSetCreatPropList::getExternal( int idx, size_t name_size, char* name, off_t& offset, hsize_t& size ) const
{
herr_t ret_value = H5Pget_external( id, idx, name_size, name, &offset, &size );
if( ret_value < 0 )
{
throw PropListIException("DSetCreatPropList::getExternal",
"H5Pget_external failed");
}
}
//--------------------------------------------------------------------------
// Function: DSetCreatPropList destructor
///\brief Noop destructor.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DSetCreatPropList::~DSetCreatPropList () {}
#ifndef H5_NO_NAMESPACE
} // end namespace
#endif
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