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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 H5P module
*/
#ifndef _H5Pprivate_H
#define _H5Pprivate_H
#include <H5Ppublic.h>
/* Private headers needed by this file */
#include <H5private.h>
#include <H5Fprivate.h>
#include <H5Dprivate.h>
/* Define enum for modifications to class */
typedef enum {
H5P_MOD_ERR=(-1), /* Indicate an error */
H5P_MOD_INC_CLS, /* Increment the dependant class count*/
H5P_MOD_DEC_CLS, /* Decrement the dependant class count*/
H5P_MOD_INC_LST, /* Increment the dependant list count*/
H5P_MOD_DEC_LST, /* Decrement the dependant list count*/
H5P_MOD_INC_REF, /* Increment the ID reference count*/
H5P_MOD_DEC_REF, /* Decrement the ID reference count*/
H5P_MOD_CHECK, /* Just check about deleting the class */
H5P_MOD_MAX /* Upper limit on class modifications */
} H5P_class_mod_t;
/* Define structure to hold property information */
typedef struct H5P_genprop_tag {
/* Values for this property */
uintn xor; /* XOR'ed version of the name, for faster comparisons */
char *name; /* Name of property */
size_t size; /* Size of property value */
void *value; /* Pointer to property value */
/* Callback function pointers & info */
H5P_prp_create_func_t create; /* Function to call when a property is created */
void *def_value; /* Pointer to default value to pass along to create callback */
H5P_prp_set_func_t set; /* Function to call when a property value is set */
H5P_prp_get_func_t get; /* Function to call when a property value is retrieved */
H5P_prp_close_func_t close; /* Function to call when a property is closed */
struct H5P_genprop_tag *next; /* Pointer to the next property in this list */
} H5P_genprop_t;
/* Define structure to hold class information */
typedef struct H5P_genclass_tag {
struct H5P_genclass_tag *parent; /* Pointer to parent class */
char *name; /* Name of property list class */
size_t nprops; /* Number of properties in class */
uintn hashsize; /* Hash table size */
uintn plists; /* Number of property lists that have been created since the last modification to the class */
uintn classes; /* Number of classes that have been derived since the last modification to the class */
uintn ref_count; /* Number of oustanding ID's open on this class object */
uintn internal:1; /* Whether this class is internal to the library or not */
uintn deleted:1; /* Whether this class has been deleted and is waiting for dependent classes & proplists to close */
/* Callback function pointers & info */
H5P_cls_create_func_t create_func; /* Function to call when a property list is created */
void *create_data; /* Pointer to user data to pass along to create callback */
H5P_cls_close_func_t close_func; /* Function to call when a property list is closed */
void *close_data; /* Pointer to user data to pass along to close callback */
H5P_genprop_t *props[1]; /* Hash table of pointers to properties in the class */
} H5P_genclass_t;
/* Define structure to hold property list information */
typedef struct H5P_genplist_tag {
H5P_genclass_t *pclass; /* Pointer to class info */
size_t nprops; /* Number of properties in class */
uintn class_init:1; /* Whether the class initialization callback finished successfully */
/* Hash size for a property list is same as class */
H5P_genprop_t *props[1]; /* Hash table of pointers to properties in the list */
} H5P_genplist_t;
/* Master property list structure */
typedef struct {
/* Union of all the different kinds of property lists */
union {
H5F_create_t fcreate; /* File creation properties */
H5F_access_t faccess; /* File access properties */
H5D_create_t dcreate; /* Dataset creation properties */
H5D_xfer_t dxfer; /* Data transfer properties */
H5F_mprop_t mount; /* Mounting properties */
} u;
H5P_class_t cls; /* Property list class */
} H5P_t;
/* Private functions, not part of the publicly documented API */
__DLL__ herr_t H5P_init(void);
__DLL__ hid_t H5P_create(H5P_class_t type, H5P_t *plist);
__DLL__ void *H5P_copy(H5P_class_t type, const void *src);
__DLL__ herr_t H5P_close(void *plist);
__DLL__ H5P_class_t H5P_get_class(hid_t tid);
__DLL__ hid_t H5P_get_driver(hid_t plist_id);
#endif
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