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/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
/*
* This file contains private information about the H5T module
*/
#ifndef _H5Tprivate_H
#define _H5Tprivate_H
#include <H5Tpublic.h>
/* Private headers needed by this file */
#include <H5private.h>
#include <H5Gprivate.h> /*for H5G_entry_t */
#define H5T_RESERVED_ATOMS 8
#define H5T_NAMELEN 32 /*length of debugging name buffer */
typedef struct H5T_t H5T_t;
/* How to copy a data type */
typedef enum H5T_copy_t {
H5T_COPY_TRANSIENT,
H5T_COPY_ALL,
H5T_COPY_REOPEN
} H5T_copy_t;
/* Statistics about a conversion function */
typedef struct H5T_stats_t {
unsigned ncalls; /*num calls to conversion function */
hsize_t nelmts; /*total data points converted */
H5_timer_t timer; /*total time for conversion */
} H5T_stats_t;
/* The data type conversion database */
typedef struct H5T_path_t {
char name[H5T_NAMELEN]; /*name for debugging only */
H5T_t *src; /*source data type ID */
H5T_t *dst; /*destination data type ID */
H5T_conv_t func; /*data conversion function */
hbool_t is_hard; /*is it a hard function? */
H5T_stats_t stats; /*statistics for the conversion */
H5T_cdata_t cdata; /*data for this function */
} H5T_path_t;
/*
* Is the path the special no-op path? The no-op function can be set by the
* application and there might be more than one no-op path in a
* multi-threaded application if one thread is using the no-op path when some
* other thread changes its definition.
*/
#define H5T_IS_NOOP(P) ((P)->is_hard && 0==H5T_cmp((P)->src, (P)->dst))
/* Private functions */
herr_t H5T_native_open(void);
herr_t H5T_init(void);
htri_t H5T_isa(H5G_entry_t *ent);
H5T_t *H5T_open (H5G_entry_t *loc, const char *name);
H5T_t *H5T_create (H5T_class_t type, size_t size);
H5T_t *H5T_copy (const H5T_t *old_dt, H5T_copy_t method);
herr_t H5T_commit (H5G_entry_t *loc, const char *name, H5T_t *type);
herr_t H5T_lock (H5T_t *dt, hbool_t immutable);
herr_t H5T_close (H5T_t *dt);
size_t H5T_get_size (const H5T_t *dt);
intn H5T_cmp (const H5T_t *dt1, const H5T_t *dt2);
htri_t H5T_is_atomic (const H5T_t *dt);
herr_t H5T_insert (H5T_t *parent, const char *name, size_t offset,
intn ndims, const size_t *dim, const intn *perm,
const H5T_t *member);
herr_t H5T_sort_by_offset (H5T_t *dt);
herr_t H5T_pack (H5T_t *dt);
herr_t H5T_debug (H5T_t *dt, FILE * stream);
H5G_entry_t *H5T_entof (H5T_t *dt);
H5T_path_t *H5T_path_find (const H5T_t *src, const H5T_t *dst,
const char *name, H5T_conv_t func);
herr_t H5T_convert(H5T_path_t *tpath, hid_t src_id, hid_t dst_id,
size_t nelmts, void *buf, void *bkg);
#endif
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