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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 <string>
#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.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"
#include "H5VarLenType.h"
namespace H5 {
//--------------------------------------------------------------------------
// Function: VarLenType default constructor
///\brief Default constructor: Creates a stub variable-length datatype.
//--------------------------------------------------------------------------
VarLenType::VarLenType() : DataType()
{
}
//--------------------------------------------------------------------------
// Function: VarLenType overloaded constructor
///\brief Creates an VarLenType object using an existing id.
///\param existing_id - IN: Id of an existing datatype
///\exception H5::DataTypeIException
//--------------------------------------------------------------------------
VarLenType::VarLenType(const hid_t existing_id) : DataType(existing_id)
{
}
//--------------------------------------------------------------------------
// Function: VarLenType copy constructor
///\brief Copy constructor: same HDF5 object as \a original
//--------------------------------------------------------------------------
VarLenType::VarLenType(const VarLenType &original) : DataType(original)
{
}
//--------------------------------------------------------------------------
// Function: VarLenType overloaded constructor
///\brief Deprecated - will be removed after 1.10.2
///\param base_type - IN: Pointer to existing datatype
///\exception H5::DataTypeIException
// Description
// DataType passed by pointer to avoid clashing with copy
// constructor.
// Updated: this is unnecessary.
// -BMR, Sep, 2017
//--------------------------------------------------------------------------
VarLenType::VarLenType(const DataType *base_type) : DataType()
{
id = H5Tvlen_create(base_type->getId());
if (id < 0) {
throw DataTypeIException("VarLenType constructor", "H5Tvlen_create returns negative value");
}
}
//--------------------------------------------------------------------------
// Function: VarLenType overloaded constructor
///\brief Creates a new variable-length datatype based on the specified
/// \a base_type.
///\param base_type - IN: An existing datatype
///\exception H5::DataTypeIException
//--------------------------------------------------------------------------
VarLenType::VarLenType(const DataType &base_type) : DataType()
{
id = H5Tvlen_create(base_type.getId());
if (id < 0) {
throw DataTypeIException("VarLenType constructor", "H5Tvlen_create returns negative value");
}
}
//--------------------------------------------------------------------------
// Function: VarLenType overloaded constructor
///\brief Creates an VarLenType instance by opening an HDF5 variable
/// length datatype given its name, provided as a C char*.
///\param loc - IN: Location of the type
///\param dtype_name - IN: Variable length type name
///\exception H5::DataTypeIException
// Description
// In 1.10.1, this constructor was introduced and may replace the
// existing function CommonFG::openVarLenType(const char*) to
// improve usability.
// -BMR, Dec 2016
//--------------------------------------------------------------------------
VarLenType::VarLenType(const H5Location &loc, const char *dtype_name) : DataType()
{
id = p_opentype(loc, dtype_name);
}
//--------------------------------------------------------------------------
// Function: VarLenType overloaded constructor
///\brief Creates an VarLenType instance by opening an HDF5 variable
/// length datatype given its name, provided as an \c H5std_string.
///\param loc - IN: Location of the type
///\param dtype_name - IN: Variable length type name
///\exception H5::DataTypeIException
// Description
// In 1.10.1, this constructor was introduced and may replace the
// existing function CommonFG::openVarLenType(const H5std_string&)
// to improve usability.
// -BMR, Dec 2016
//--------------------------------------------------------------------------
VarLenType::VarLenType(const H5Location &loc, const H5std_string &dtype_name) : DataType()
{
id = p_opentype(loc, dtype_name.c_str());
}
//--------------------------------------------------------------------------
// Function: VarLenType::decode
///\brief Returns an VarLenType object via DataType* by decoding the
/// binary object description of this type.
///
///\exception H5::DataTypeIException
//--------------------------------------------------------------------------
DataType *
VarLenType::decode() const
{
hid_t encoded_vltype_id = H5I_INVALID_HID;
try {
encoded_vltype_id = p_decode();
}
catch (DataTypeIException &err) {
throw;
}
VarLenType *encoded_vltype = new VarLenType;
encoded_vltype->p_setId(encoded_vltype_id);
return (encoded_vltype);
}
} // namespace H5
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