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#ifndef _H5DataType_H
#define _H5DataType_H
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
class DataType : public H5Object {
public:
// Default constructor
DataType();
// Creates a datatype given its class and size
DataType( const H5T_class_t type_class, size_t size );
// Copy constructor: makes a copy of the original object
DataType( const DataType& original );
// Creates a new variable-length datatype - not implemented yet
// Will be moved into a subclass when completed
//DataType vlenCreate( const DataType& base_type );
// Copies an existing datatype to this datatype object
void copy( const DataType& like_type );
// Returns the datatype class identifier.
H5T_class_t getClass() const;
// Commits a transient datatype to a file; this datatype becomes
// a named datatype which can be accessed from the location.
void commit( H5Object& loc, const string& name ) const;
void commit( H5Object& loc, const char* name ) const;
// Determines whether this datatype is a named datatype or
// a transient datatype.
bool committed() const;
// Finds a conversion function that can handle the conversion
// this datatype to the given datatype, dest.
H5T_conv_t find( const DataType& dest, H5T_cdata_t **pcdata ) const;
// Converts data from between specified datatypes.
void convert( const DataType& dest, size_t nelmts, void *buf, void *background, PropList& plist ) const;
// Sets the overflow handler to a specified function.
void setOverflow(H5T_overflow_t func) const;
// Returns a pointer to the current global overflow function.
H5T_overflow_t getOverflow(void) const;
// Determines whether two datatypes are the same. ???
bool operator==(const DataType& compared_type ) const;
// Locks a datatype.
void lock() const;
// Returns the size of a datatype.
size_t getSize() const;
// Returns the base datatype from which a datatype is derived.
// Note: not quite right for specific types yet???
DataType getSuper() const;
// Registers a conversion function.
void registerFunc(H5T_pers_t pers, const string& name, const DataType& dest, H5T_conv_t func ) const;
void registerFunc(H5T_pers_t pers, const char* name, const DataType& dest, H5T_conv_t func ) const;
// Removes a conversion function from all conversion paths.
void unregister( H5T_pers_t pers, const string& name, const DataType& dest, H5T_conv_t func ) const;
void unregister( H5T_pers_t pers, const char* name, const DataType& dest, H5T_conv_t func ) const;
// Tags an opaque datatype.
void setTag( const string& tag ) const;
void setTag( const char* tag ) const;
// Gets the tag associated with an opaque datatype.
string getTag() const;
// Used by the API to appropriately close a datatype
void p_close() const;
// Creates a copy of an existing DataType using its id
DataType( const hid_t type_id, bool predtype = false );
virtual ~DataType();
protected:
bool is_predtype; // indicates a type is predefined so
// H5Tclose will not be called for it
};
#ifndef H5_NO_NAMESPACE
}
#endif
#endif
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