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#include <string>
#include "H5Include.h"
#include "H5RefCounter.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5Object.h"
#include "H5AbstractDs.h"
#include "H5DxferProp.h"
#include "H5DataSpace.h"
#include "H5DataType.h"
#include "H5DataSet.h"
#include "H5AtomType.h"
#include "H5IntType.h"
#include "H5EnumType.h"
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
// Creates an empty enumeration datatype based on a native signed
// integer type.
EnumType::EnumType( size_t size ) : DataType( H5T_ENUM, size ) {}
// Default constructor
EnumType::EnumType() : DataType() {}
// Creates a enumeration datatype using an existing id
EnumType::EnumType( const hid_t existing_id ) : DataType( existing_id ) {}
// Copy constructor: makes a copy of the original EnumType object.
EnumType::EnumType( const EnumType& original ) : DataType( original ) {}
// Gets the enum datatype of the specified dataset
EnumType::EnumType( const DataSet& dataset ) : DataType()
{
// Calls C function H5Dget_type to get the id of the datatype
id = H5Dget_type( dataset.getId() );
// If the datatype id is not valid, throw an exception
if( id <= 0 )
{
throw DataSetIException("EnumType constructor", "H5Dget_type failed");
}
}
// Creates a new enum datatype based on an integer datatype
EnumType::EnumType( const IntType& data_type ) : DataType()
{
// Calls C function H5Tenum_create to get the id of the datatype
id = H5Tenum_create( data_type.getId() );
// If the datatype id is not valid, throw an exception
if( id <= 0 )
{
throw DataSetIException("EnumType constructor", "H5Tenum_create failed");
}
}
// Inserts a new member to this enumeration datatype.
void EnumType::insert( const string& name, void *value ) const
{
insert( name.c_str(), value );
}
void EnumType::insert( const char* name, void *value ) const
{
// Calls C routine H5Tenum_insert to insert the new enum datatype member.
herr_t ret_value = H5Tenum_insert( id, name, value );
if( ret_value < 0 )
{
throw DataTypeIException("EnumType::insert", "H5Tenum_insert failed");
}
}
// Returns the symbol name corresponding to a specified member of an enumeration datatype.
string EnumType::nameOf( void *value, size_t size ) const
{
char* name_C = new char[size+1]; // temporary C-string for C API
// Calls C routine H5Tenum_nameof to get the name of the specified enum type
herr_t ret_value = H5Tenum_nameof( id, value, name_C, size );
// If H5Tenum_nameof returns a negative value, raise an exception,
if( ret_value < 0 )
{
throw DataTypeIException("EnumType::nameOf", "H5Tenum_nameof failed");
}
// otherwise, create the string to hold the datatype name and return it
string name = string( name_C );
delete name_C;
return( name );
}
// Retrieves the value corresponding to a member of an enumeration
// datatype, given the member's name.
void EnumType::valueOf( const string& name, void *value ) const
{
valueOf( name.c_str(), value );
}
void EnumType::valueOf( const char* name, void *value ) const
{
// Calls C routine H5Tenum_valueof to get the enum datatype value
herr_t ret_value = H5Tenum_valueof( id, name, value );
if( ret_value < 0 )
{
throw DataTypeIException("EnumType::valueOf", "H5Tenum_valueof failed");
}
}
/*-------------------------------------------------------------------------
* Function: getMemberIndex
*
* Purpose: Returns the index of a member in an enumeration data type.
* Members are stored in no particular order with numbers 0
* through N-1, where N is the value returned by the member
* function getNmembers.
*
* Return: Success: index of the member if exists.
* Failure: DataTypeIException
*
* BMR - May 16, 2002
*-------------------------------------------------------------------------
*/
int EnumType::getMemberIndex(const char *name) const
{
int member_index = H5Tget_member_index(id, name);
if( member_index < 0 )
{
throw DataTypeIException("EnumType::getMemberIndex",
"H5Tget_member_index returns negative value");
}
return( member_index );
}
int EnumType::getMemberIndex(const string& name) const
{
return(EnumType::getMemberIndex(name.c_str()));
}
// Retrieves the value of a member in this enumeration datatype, given the
// member's index.
void EnumType::getMemberValue( int memb_no, void *value ) const
{
// Call C routine H5Tget_member_value to get the datatype member's value
hid_t ret_value = H5Tget_member_value( id, memb_no, value );
if( ret_value < 0 )
{
throw DataTypeIException("EnumType::getMemberValue", "H5Tget_member_value failed");
}
}
// Default destructor
EnumType::~EnumType() {}
#ifndef H5_NO_NAMESPACE
} // end namespace
#endif
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