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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer: Robb Matzke <matzke@llnl.gov>
* Thursday, April 16, 1998
*/
#ifndef _H5Zprivate_H
#define _H5Zprivate_H
#include "H5private.h" /* Generic Functions */
#include "H5Tprivate.h"
#include "H5Eprivate.h"
#include "H5Iprivate.h"
#include "H5Zpublic.h"
/* Structure to store information about each filter's parameters */
typedef struct {
H5Z_filter_t id; /*filter identification number */
unsigned flags; /*defn and invocation flags */
char *name; /*optional filter name */
size_t cd_nelmts; /*number of elements in cd_values[] */
unsigned *cd_values; /*client data values */
} H5Z_filter_info_t;
/* Token types */
typedef enum {
ERROR,
H5Z_INTEGER, /* this represents an integer type in the data transform expression */
H5Z_FLOAT, /* this represents a floating point type in the data transform expression */
SYMBOL,
PLUS,
MINUS,
MULT,
DIVIDE,
LPAREN,
RPAREN,
END
} H5Z_token_type;
typedef union {
char *sym_val;
long int_val;
double float_val;
} H5Z_num_val;
typedef struct H5Z_node {
struct H5Z_node *lchild;
struct H5Z_node *rchild;
H5Z_token_type type;
H5Z_num_val value;
} H5Z_node;
typedef struct {
char* xform_exp;
H5Z_node* parse_root;
} H5Z_data_xform;
/* Special parameters for szip compression */
/* [These are aliases for the similar definitions in szlib.h, which we can't
* include directly due to the duplication of various symbols with the zlib.h
* header file] */
#define H5_SZIP_LSB_OPTION_MASK 8
#define H5_SZIP_MSB_OPTION_MASK 16
#define H5_SZIP_RAW_OPTION_MASK 128
struct H5O_pline_t; /*forward decl*/
/* Internal API routines */
H5_DLL herr_t H5Z_register(const H5Z_class_t *cls);
H5_DLL herr_t H5Z_unregister(H5Z_filter_t id);
H5_DLL herr_t H5Z_append(struct H5O_pline_t *pline, H5Z_filter_t filter,
unsigned flags, size_t cd_nelmts, const unsigned int cd_values[]);
H5_DLL herr_t H5Z_modify(const struct H5O_pline_t *pline, H5Z_filter_t filter,
unsigned flags, size_t cd_nelmts, const unsigned int cd_values[]);
H5_DLL herr_t H5Z_pipeline(const struct H5O_pline_t *pline,
unsigned flags, unsigned *filter_mask/*in,out*/,
H5Z_EDC_t edc_read, H5Z_cb_t cb_struct,
size_t *nbytes/*in,out*/, size_t *buf_size/*in,out*/,
void **buf/*in,out*/);
H5_DLL H5Z_class_t *H5Z_find(H5Z_filter_t id);
H5_DLL herr_t H5Z_can_apply(hid_t dcpl_id, hid_t type_id);
H5_DLL herr_t H5Z_set_local(hid_t dcpl_id, hid_t type_id);
H5_DLL H5Z_filter_info_t *H5Z_filter_info(const struct H5O_pline_t *pline,
H5Z_filter_t filter);
H5_DLL htri_t H5Z_all_filters_avail(const struct H5O_pline_t *pline);
H5_DLL herr_t H5Z_delete(struct H5O_pline_t *pline, H5Z_filter_t filter);
/* Data Transform Functions */
H5_DLL void H5Z_xform_destroy_parse_tree(H5Z_node *tree);
H5_DLL void H5Z_xform_eval(H5Z_node *tree, void* array, hsize_t array_size, hid_t array_type);
H5_DLL void* H5Z_xform_parse(const char *expression);
H5_DLL hid_t H5Z_xform_find_type(H5T_t* type);
H5_DLL void H5Z_xform_reduce_tree(H5Z_node* tree);
H5_DLL void* H5Z_xform_copy_tree(H5Z_node* tree);
#endif
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