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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <string>
#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5Object.h"
#include "H5OcreatProp.h"
#include "H5DcreatProp.h"
#include "H5CommonFG.h"
#include "H5DataType.h"
#include "H5AtomType.h"
#include "H5AbstractDs.h"
#include "H5DxferProp.h"
#include "H5DataSpace.h"
#include "H5StrType.h"
#include "H5DataSet.h"
#include "H5PredType.h"
namespace H5 {
//--------------------------------------------------------------------------
// Function: StrType default constructor
///\brief Default constructor: Creates a stub string datatype
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
StrType::StrType() : AtomType() {}
//--------------------------------------------------------------------------
// Function: StrType overloaded constructor
///\brief Creates a string datatype using a predefined type.
///\param pred_type - IN: Predefined datatype
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
StrType::StrType( const PredType& pred_type ) : AtomType()
{
// use DataType::copy to make a copy of this predefined type
copy( pred_type );
}
//--------------------------------------------------------------------------
// Function: StrType overloaded constructor
// Purpose Creates a string datatype with a specified length
// Param pred_type - IN: String predefined type to replicate.
// Param size - IN: Length of the new string type
// Exception H5::DataTypeIException
// Description
// The 1st argument could have been skipped, but this
// constructor will collide with the one that takes an
// existing id.
//
// Update: replacing the 1st argument with a dummy 0 to
// avoid the clashing problem, that doesn't eliminate the
// the 1st argument but it's simpler for the user to type
// a '0' than PredType::C_S1. - Dec 2, 2005
// Note
// The use of this constructor can be shortened by using
// its overloaded below as StrType(0, size).
// Programmer Binh-Minh Ribler - 2000
// Modification
// Planned for removal. -BMR, 2005/12/02
// Removed from documentation. -BMR, 2016/03/07
//--------------------------------------------------------------------------
StrType::StrType( const PredType& pred_type, const size_t& size ) : AtomType()
{
// use DataType::copy to make a copy of the string predefined type
// then set its length
copy(pred_type);
setSize(size);
}
//--------------------------------------------------------------------------
// Function: StrType overloaded constructor
///\brief Creates a string datatype with a specified length
///\param dummy - IN: To simplify calling the previous constructor
/// and avoid prototype clash with another constructor
///\param size - IN: Length of the new string type
///\exception H5::DataTypeIException
///\par Description
/// The 1st argument is just a dummy to simplify calling the
/// previous constructor, such as:
/// StrType atype(0, size) instead of
/// StrType atype(PredType::C_S1, size)
// Note
// This constructor replaced the previous one.
// Programmer Binh-Minh Ribler - Nov 28, 2005
//--------------------------------------------------------------------------
StrType::StrType( const int dummy, const size_t& size ) : AtomType()
{
// use DataType::copy to make a copy of the string predefined type
// then set its length
copy(PredType::C_S1);
setSize(size);
}
//--------------------------------------------------------------------------
// Function: StrType overloaded constructor
///\brief Creates an StrType object using the id of an existing datatype.
///\param existing_id - IN: Id of an existing datatype
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
StrType::StrType( const hid_t existing_id ) : AtomType( existing_id ) {}
//--------------------------------------------------------------------------
// Function: StrType copy constructor
///\brief Copy constructor: makes a copy of the original StrType object.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
StrType::StrType( const StrType& original ) : AtomType ( original ) {}
//--------------------------------------------------------------------------
// Function: StrType overloaded constructor
///\brief Gets the string datatype of the specified dataset
///\param dataset - IN: Dataset that this string datatype associates with
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
StrType::StrType( const DataSet& dataset ) : AtomType ()
{
// Calls C function H5Dget_type to get the id of the datatype
id = H5Dget_type( dataset.getId() );
if( id < 0 )
{
throw DataSetIException("StrType constructor", "H5Dget_type failed");
}
}
//--------------------------------------------------------------------------
// Function: StrType::getCset
///\brief Retrieves the character set type of this string datatype.
///\return Character set type, which can be:
/// \li \c H5T_CSET_ASCII (0) - Character set is US ASCII.
///\note
/// ASCII and UTF-8 Unicode are the only currently supported character
/// encodings. Extended ASCII encodings (for example, ISO 8859) are not
/// supported. This encoding policy is not enforced by the HDF5 Library.
/// Using encodings other than ASCII and UTF-8 can lead to compatibility
/// and usability problems. See the C API entry H5Pset_char_encoding for
/// more information.
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5T_cset_t StrType::getCset() const
{
H5T_cset_t cset = H5Tget_cset( id );
// Returns a valid character set type if successful
if( cset == H5T_CSET_ERROR )
{
throw DataTypeIException("StrType::getCset", "H5Tget_cset failed");
}
return( cset );
}
//--------------------------------------------------------------------------
// Function: StrType::setCset
///\brief Sets character set to be used.
///\param cset - IN: character set type, which can be:
/// \li \c H5T_CSET_ASCII (0) - Character set is US ASCII.
///\note
/// ASCII and UTF-8 Unicode are the only currently supported character
/// encodings. Extended ASCII encodings (for example, ISO 8859) are not
/// supported. This encoding policy is not enforced by the HDF5 Library.
/// Using encodings other than ASCII and UTF-8 can lead to compatibility
/// and usability problems. See the C API entry H5Pset_char_encoding for
/// more information.
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void StrType::setCset( H5T_cset_t cset ) const
{
herr_t ret_value = H5Tset_cset( id, cset );
if( ret_value < 0 )
{
throw DataTypeIException("StrType::setCset", "H5Tset_cset failed");
}
}
//--------------------------------------------------------------------------
// Function: StrType::getStrpad
///\brief Retrieves the storage mechanism for of this string datatype.
///\return String storage mechanism, which can be:
/// \li \c H5T_STR_NULLTERM (0) - Null terminate (as C does)
/// \li \c H5T_STR_NULLPAD (0) - Pad with zeros
/// \li \c H5T_STR_SPACEPAD (0) - pad with spaces (as FORTRAN does)
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5T_str_t StrType::getStrpad() const
{
H5T_str_t strpad = H5Tget_strpad( id );
// Returns a valid string padding type if successful
if( strpad == H5T_STR_ERROR )
{
throw DataTypeIException("StrType::getStrpad",
"H5Tget_strpad failed - returned H5T_STR_ERROR");
}
return( strpad );
}
//--------------------------------------------------------------------------
// Function: StrType::setStrpad
///\brief Defines the storage mechanism for this string datatype.
///\param strpad - IN: String padding type
///\exception H5::DataTypeIException
///\par Description
/// For detail, please refer to the C layer Reference Manual at:
/// http://www.hdfgroup.org/HDF5/doc/RM/RM_H5T.html#Datatype-SetStrpad
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void StrType::setStrpad( H5T_str_t strpad ) const
{
herr_t ret_value = H5Tset_strpad( id, strpad );
if( ret_value < 0 )
{
throw DataTypeIException("StrType::setStrpad", "H5Tset_strpad failed");
}
}
//--------------------------------------------------------------------------
// Function: StrType destructor
///\brief Properly terminates access to this string datatype.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
StrType::~StrType() {}
} // end namespace
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