/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * 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 COPYING file, which can be found at the root of the source code * * distribution tree, or in https://www.hdfgroup.org/licenses. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #include #include "H5Include.h" #include "H5Exception.h" #include "H5IdComponent.h" #include "H5DataSpace.h" #include "H5PropList.h" #include "H5OcreatProp.h" #include "H5DcreatProp.h" #include "H5LcreatProp.h" #include "H5LaccProp.h" #include "H5DaccProp.h" #include "H5Location.h" #include "H5Object.h" #include "H5DataType.h" namespace H5 { #ifndef DOXYGEN_SHOULD_SKIP_THIS // This DOXYGEN_SHOULD_SKIP_THIS block is a work-around approach to control // the order of creation and deletion of the global constants. See Design Notes // in "H5PredType.cpp" for information. // Initialize a pointer for the constant DSetCreatPropList *DSetCreatPropList::DEFAULT_ = 0; //-------------------------------------------------------------------------- // Function: DSetCreatPropList::getConstant // Purpose: Creates a DSetCreatPropList object representing the HDF5 // constant H5P_DATASET_CREATE, pointed to by // DSetCreatPropList::DEFAULT_ // exception H5::PropListIException // Description // If DSetCreatPropList::DEFAULT_ already points to an allocated // object, throw a PropListIException. This scenario should // not happen. // Programmer Binh-Minh Ribler - 2015 //-------------------------------------------------------------------------- DSetCreatPropList * DSetCreatPropList::getConstant() { // Tell the C library not to clean up, H5Library::termH5cpp will call // H5close - more dependency if use H5Library::dontAtExit() if (!IdComponent::H5dontAtexit_called) { (void)H5dont_atexit(); IdComponent::H5dontAtexit_called = true; } // If the constant pointer is not allocated, allocate it. Otherwise, // throw because it shouldn't be. if (DEFAULT_ == 0) DEFAULT_ = new DSetCreatPropList(H5P_DATASET_CREATE); else throw PropListIException("DSetCreatPropList::getConstant", "DSetCreatPropList::getConstant is being invoked on an allocated DEFAULT_"); return (DEFAULT_); } //-------------------------------------------------------------------------- // Function: DSetCreatPropList::deleteConstants // Purpose: Deletes the constant object that DSetCreatPropList::DEFAULT_ // points to. // Programmer Binh-Minh Ribler - 2015 //-------------------------------------------------------------------------- void DSetCreatPropList::deleteConstants() { delete DEFAULT_; } //-------------------------------------------------------------------------- // Purpose Constant for dataset creation default property //-------------------------------------------------------------------------- const DSetCreatPropList &DSetCreatPropList::DEFAULT = *getConstant(); #endif // DOXYGEN_SHOULD_SKIP_THIS //-------------------------------------------------------------------------- // Function: DSetCreatPropList default constructor ///\brief Default constructor: creates a stub dataset creation property list // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- DSetCreatPropList::DSetCreatPropList() : ObjCreatPropList(H5P_DATASET_CREATE) { } //-------------------------------------------------------------------------- // Function: DSetCreatPropList copy constructor ///\brief Copy constructor: same HDF5 object as \a original /// DSetCreatPropList object // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- DSetCreatPropList::DSetCreatPropList(const DSetCreatPropList &orig) : ObjCreatPropList(orig) { } //-------------------------------------------------------------------------- // Function: DSetCreatPropList overloaded constructor ///\brief Creates a DSetCreatPropList object using the id of an /// existing dataset creation property list. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- DSetCreatPropList::DSetCreatPropList(const hid_t plist_id) : ObjCreatPropList(plist_id) { } //-------------------------------------------------------------------------- // 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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 // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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 layout - IN: Type of storage layout for raw data ///\exception H5::PropListIException ///\par Description /// For information, please refer to the H5Pset_layout API in /// the HDF5 C Reference Manual. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void DSetCreatPropList::setLayout(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 // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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::setSzip ///\brief Sets up for the use of the SZIP compression filter. ///\param options_mask - IN: A bit-mask conveying the desired SZIP /// options. Valid values are H5_SZIP_EC_OPTION_MASK /// and H5_SZIP_NN_OPTION_MASK. ///\param pixels_per_block - IN: Number of pixels or data elements in /// each data block. ///\exception H5::PropListIException ///\par Description /// The associate C function sets an SZIP compression filter, /// H5Z_FILTER_SZIP, for a dataset. For more information about /// SZIP and usage, please refer to the H5Pset_szip API in /// the HDF5 C Reference Manual. // Programmer Binh-Minh Ribler - Jan, 2007 //-------------------------------------------------------------------------- void DSetCreatPropList::setSzip(unsigned int options_mask, unsigned int pixels_per_block) const { herr_t ret_value = H5Pset_szip(id, options_mask, pixels_per_block); if (ret_value < 0) { throw PropListIException("DSetCreatPropList::setSzip", "H5Pset_szip failed"); } } //-------------------------------------------------------------------------- // Function: DSetCreatPropList::setNbit ///\brief Sets up for the use of the Nbit compression filter. ///\exception H5::PropListIException /// ///\par Description /// The associate C function sets an Nbit compression filter, /// H5Z_FILTER_NBIT, for a dataset. For more information about /// Nbit compression, please refer to the H5Pset_nbit API in /// the HDF5 C Reference Manual. // Programmer Binh-Minh Ribler - Apr, 2016 //-------------------------------------------------------------------------- void DSetCreatPropList::setNbit() const { herr_t ret_value = H5Pset_nbit(id); if (ret_value < 0) { throw PropListIException("DSetCreatPropList::setNbit", "H5Pset_nbit 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 /// H5Pset_fill_value API in the HDF5 C Reference Manual. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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 // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- H5D_fill_value_t DSetCreatPropList::isFillValueDefined() const { 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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 // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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 - IN: Length of \a name ///\param name - OUT: Name of the filter ///\param filter_config - OUT: Flags indicating whether filter can encode/decode ///\return Filter id ///\exception H5::PropListIException ///\par Description /// Failure occurs when \a filter_number is out of range. // Note: the first argument was mistakenly typed as int instead // of unsigned int, but for backward compatibility, it cannot be // changed. -BMR (2014/04/15) //-------------------------------------------------------------------------- H5Z_filter_t DSetCreatPropList::getFilter(int filter_number, unsigned int &flags, size_t &cd_nelmts, unsigned int *cd_values, size_t namelen, char name[], unsigned int &filter_config) const { H5Z_filter_t filter_id; filter_id = H5Pget_filter2(id, filter_number, &flags, &cd_nelmts, cd_values, namelen, name, &filter_config); if (filter_id == H5Z_FILTER_ERROR) throw PropListIException("DSetCreatPropList::getFilter", "H5Pget_filter2 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 ///\param filter_config - OUT: Flags indicating whether filter can encode/decode ///\exception H5::PropListIException // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void DSetCreatPropList::getFilterById(H5Z_filter_t filter_id, unsigned int &flags, size_t &cd_nelmts, unsigned int *cd_values, size_t namelen, char name[], unsigned int &filter_config) const { herr_t ret_value = H5Pget_filter_by_id2(id, filter_id, &flags, &cd_nelmts, cd_values, namelen, name, &filter_config); if (ret_value < 0) throw PropListIException("DSetCreatPropList::getFilterById", "H5Pget_filter_by_id2 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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 // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- bool DSetCreatPropList::allFiltersAvail() const { 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 /// For information, please refer to the H5Pset_shuffle API in /// the HDF5 C Reference Manual. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void DSetCreatPropList::setShuffle() const { 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 /// following: /// \li \c H5D_ALLOC_TIME_DEFAULT /// \li \c H5D_ALLOC_TIME_EARLY /// \li \c H5D_ALLOC_TIME_LATE /// \li \c H5D_ALLOC_TIME_INCR // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- H5D_alloc_time_t DSetCreatPropList::getAllocTime() const { 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- H5D_fill_time_t DSetCreatPropList::getFillTime() const { 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 // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void DSetCreatPropList::setAllocTime(H5D_alloc_time_t alloc_time) const { 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void DSetCreatPropList::setFillTime(H5D_fill_time_t fill_time) const { 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 // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void DSetCreatPropList::setFletcher32() const { 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 split 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). // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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 // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- 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 - OUT: Name of the external file ///\param offset - OUT: 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. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void DSetCreatPropList::getExternal(unsigned 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::setVirtual ///\brief Maps elements of a virtual dataset to elements of the source /// dataset. ///\param vspace - IN: Dataspace the virtual dataset, possibly an /// unlimited selection ///\param src_fname - IN: Name of the HDF5 file where the source dataset /// is located (\a char*) ///\param src_dsname - IN: Path to the dataset in the file specified by /// \a src_file_name (\a char*) ///\param sspace - IN: Dataspace with a selection applied, possibly /// an unlimited selection ///\exception H5::PropListIException ///\par Description /// For information, please refer to the H5Pset_virtual API in /// the HDF5 C Reference Manual. // Programmer Binh-Minh Ribler - Mar, 2017 //-------------------------------------------------------------------------- void DSetCreatPropList::setVirtual(const DataSpace &vspace, const char *src_fname, const char *src_dsname, const DataSpace &sspace) const { herr_t ret_value = H5Pset_virtual(id, vspace.getId(), src_fname, src_dsname, sspace.getId()); if (ret_value < 0) { throw PropListIException("DSetCreatPropList::setVirtual", "H5Pset_virtual failed"); } } //-------------------------------------------------------------------------- // Function: DSetCreatPropList::setVirtual ///\brief Maps elements of a virtual dataset to elements of the source /// dataset. ///\param vspace - IN: Dataspace the virtual dataset, possibly an /// unlimited selection ///\param src_fname - IN: Name of the HDF5 file where the source dataset /// is located (\a H5std_string) ///\param src_dsname - IN: Path to the dataset in the file specified by /// \a src_file_name (\a H5std_string) ///\param sspace - IN: Dataspace with a selection applied, possibly /// an unlimited selection ///\exception H5::PropListIException ///\par Description /// For information, please refer to the H5Pset_virtual API in /// the HDF5 C Reference Manual. // Programmer Binh-Minh Ribler - Mar, 2017 //-------------------------------------------------------------------------- void DSetCreatPropList::setVirtual(const DataSpace &vspace, const H5std_string src_fname, const H5std_string src_dsname, const DataSpace &sspace) const { setVirtual(vspace, src_fname.c_str(), src_dsname.c_str(), sspace); } //-------------------------------------------------------------------------- // Function: DSetCreatPropList destructor ///\brief Noop destructor. // Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- DSetCreatPropList::~DSetCreatPropList() { } } // namespace H5