/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Purpose: This file contains declarations which are visible only within
 *          the H5P package.  Source files outside the H5P package should
 *          include H5Pprivate.h instead.
 */
#if !(defined H5P_FRIEND || defined H5P_MODULE)
#error "Do not include this file outside the H5P package!"
#endif

#ifndef H5Ppkg_H
#define H5Ppkg_H

/* Get package's private header */
#include "H5Pprivate.h"

/* Other private headers needed by this file */
#include "H5SLprivate.h" /* Skip lists				*/

/**************************/
/* Package Private Macros */
/**************************/

/****************************/
/* Package Private Typedefs */
/****************************/

/* Define enum for type of object that property is within */
typedef enum {
    H5P_PROP_WITHIN_UNKNOWN = 0, /* Property container is unknown */
    H5P_PROP_WITHIN_LIST,        /* Property is within a list */
    H5P_PROP_WITHIN_CLASS        /* Property is within a class */
} H5P_prop_within_t;

/* Define enum for modifications to class */
typedef enum {
    H5P_MOD_ERR = (-1), /* Indicate an error */
    H5P_MOD_INC_CLS,    /* Increment the dependent class count*/
    H5P_MOD_DEC_CLS,    /* Decrement the dependent class count*/
    H5P_MOD_INC_LST,    /* Increment the dependent list count*/
    H5P_MOD_DEC_LST,    /* Decrement the dependent list count*/
    H5P_MOD_INC_REF,    /* Increment the ID reference count*/
    H5P_MOD_DEC_REF,    /* Decrement the ID reference count*/
    H5P_MOD_MAX         /* Upper limit on class modifications */
} H5P_class_mod_t;

/* Define structure to hold property information */
typedef struct H5P_genprop_t {
    /* Values for this property */
    char             *name;  /* Name of property */
    size_t            size;  /* Size of property value */
    void             *value; /* Pointer to property value */
    H5P_prop_within_t type;  /* Type of object the property is within */
    bool shared_name; /* Whether the name buffer is owned by a different property. Names are only shared when
                         duplicating a property from a class to a list, or when duplicating a property with a
                         shared name from one list to another. The property that owns the name frees it when
                         that property is closed. The name is guaranteed to stay allocated as long as other
                         properties share it due to reference counting on property lists classes. */

    /* Callback function pointers & info */
    H5P_prp_create_func_t  create; /* Function to call when a property is created */
    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_encode_func_t  encode; /* Function to call when a property is encoded */
    H5P_prp_decode_func_t  decode; /* Function to call when a property is decoded */
    H5P_prp_delete_func_t  del;    /* Function to call when a property is deleted */
    H5P_prp_copy_func_t    copy;   /* Function to call when a property is copied */
    H5P_prp_compare_func_t cmp;    /* Function to call when a property is compared */
    H5P_prp_close_func_t   close;  /* Function to call when a property is closed */
} H5P_genprop_t;

/* Define structure to hold class information */
struct H5P_genclass_t {
    struct H5P_genclass_t *parent; /* Pointer to parent class */
    char                  *name;   /* Name of property list class */
    H5P_plist_type_t       type;   /* Type of property */
    size_t                 nprops; /* Number of properties in class */
    unsigned
        plists; /* Number of property lists that have been created since the last modification to the class */
    unsigned classes; /* Number of classes that have been derived since the last modification to the class */
    unsigned ref_count; /* Number of outstanding ID's open on this class object */
    bool     deleted;  /* Whether this class has been deleted and is waiting for dependent classes & proplists
                             to close */
    unsigned revision; /* Revision number of a particular class (global) */
    H5SL_t  *props;    /* Skip list containing properties */

    /* 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_copy_func_t   copy_func;   /* Function to call when a property list is copied */
    void                 *copy_data;   /* Pointer to user data to pass along to copy 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 */
};

/* Define structure to hold property list information */
struct H5P_genplist_t {
    H5P_genclass_t *pclass;     /* Pointer to class info */
    hid_t           plist_id;   /* Copy of the property list ID (for use in close callback) */
    size_t          nprops;     /* Number of properties in this list */
    bool            class_init; /* Whether the class initialization callback finished successfully */
    H5SL_t         *del;        /* Skip list containing names of deleted properties */
    H5SL_t         *props;      /* Skip list containing properties modified from the parent class */
};

/* Property list/class iterator callback function pointer */
typedef int (*H5P_iterate_int_t)(H5P_genprop_t *prop, void *udata);

/* Forward declarations (for prototypes & struct definitions) */
struct H5Z_filter_info_t;

/*****************************/
/* Package Private Variables */
/*****************************/

/******************************/
/* Package Private Prototypes */
/******************************/

/* Private functions, not part of the publicly documented API */
H5_DLL H5P_genclass_t *H5P__create_class(H5P_genclass_t *par_class, const char *name, H5P_plist_type_t type,
                                         H5P_cls_create_func_t cls_create, void *create_data,
                                         H5P_cls_copy_func_t cls_copy, void *copy_data,
                                         H5P_cls_close_func_t cls_close, void *close_data);
H5_DLL H5P_genclass_t *H5P__copy_pclass(H5P_genclass_t *pclass);
H5_DLL herr_t H5P__register_real(H5P_genclass_t *pclass, const char *name, size_t size, const void *def_value,
                                 H5P_prp_create_func_t prp_create, H5P_prp_set_func_t prp_set,
                                 H5P_prp_get_func_t prp_get, H5P_prp_encode_func_t prp_encode,
                                 H5P_prp_decode_func_t prp_decode, H5P_prp_delete_func_t prp_delete,
                                 H5P_prp_copy_func_t prp_copy, H5P_prp_compare_func_t prp_cmp,
                                 H5P_prp_close_func_t prp_close);
H5_DLL herr_t H5P__register(H5P_genclass_t **pclass, const char *name, size_t size, const void *def_value,
                            H5P_prp_create_func_t prp_create, H5P_prp_set_func_t prp_set,
                            H5P_prp_get_func_t prp_get, H5P_prp_encode_func_t prp_encode,
                            H5P_prp_decode_func_t prp_decode, H5P_prp_delete_func_t prp_delete,
                            H5P_prp_copy_func_t prp_copy, H5P_prp_compare_func_t prp_cmp,
                            H5P_prp_close_func_t prp_close);
H5_DLL herr_t H5P__add_prop(H5SL_t *props, H5P_genprop_t *prop);
H5_DLL herr_t H5P__access_class(H5P_genclass_t *pclass, H5P_class_mod_t mod);
H5_DLL herr_t H5P__class_get(const H5P_genclass_t *pclass, const char *name, void *value);
H5_DLL herr_t H5P__class_set(const H5P_genclass_t *pclass, const char *name, const void *value);
H5_DLL htri_t H5P__exist_pclass(H5P_genclass_t *pclass, const char *name);
H5_DLL herr_t H5P__get_size_plist(const H5P_genplist_t *plist, const char *name, size_t *size);
H5_DLL herr_t H5P__get_size_pclass(H5P_genclass_t *pclass, const char *name, size_t *size);
H5_DLL herr_t H5P__get_nprops_plist(const H5P_genplist_t *plist, size_t *nprops);
H5_DLL int    H5P__cmp_class(const H5P_genclass_t *pclass1, const H5P_genclass_t *pclass2);
H5_DLL herr_t H5P__cmp_plist(const H5P_genplist_t *plist1, const H5P_genplist_t *plist2, int *cmp_ret);
H5_DLL int    H5P__iterate_plist(const H5P_genplist_t *plist, bool iter_all_prop, int *idx,
                                 H5P_iterate_int_t iter_func, void *iter_data);
H5_DLL int    H5P__iterate_pclass(const H5P_genclass_t *pclass, int *idx, H5P_iterate_int_t iter_func,
                                  void *iter_data);
H5_DLL herr_t H5P__copy_prop_plist(hid_t dst_id, hid_t src_id, const char *name);
H5_DLL herr_t H5P__copy_prop_pclass(hid_t dst_id, hid_t src_id, const char *name);
H5_DLL herr_t H5P__unregister(H5P_genclass_t *pclass, const char *name);
H5_DLL char  *H5P__get_class_path(H5P_genclass_t *pclass);
H5_DLL H5P_genclass_t *H5P__open_class_path(const char *path);
H5_DLL H5P_genclass_t *H5P__get_class_parent(const H5P_genclass_t *pclass);
H5_DLL herr_t          H5P__close_class(H5P_genclass_t *pclass);
H5_DLL H5P_genprop_t  *H5P__find_prop_plist(const H5P_genplist_t *plist, const char *name);
H5_DLL hid_t           H5P__new_plist_of_type(H5P_plist_type_t type);

/* Encode/decode routines */
H5_DLL herr_t H5P__encode(const H5P_genplist_t *plist, bool enc_all_prop, void *buf, size_t *nalloc);
H5_DLL hid_t  H5P__decode(const void *buf);
H5_DLL herr_t H5P__encode_hsize_t(const void *value, void **_pp, size_t *size);
H5_DLL herr_t H5P__encode_size_t(const void *value, void **_pp, size_t *size);
H5_DLL herr_t H5P__encode_unsigned(const void *value, void **_pp, size_t *size);
H5_DLL herr_t H5P__encode_uint8_t(const void *value, void **_pp, size_t *size);
H5_DLL herr_t H5P__encode_bool(const void *value, void **_pp, size_t *size);
H5_DLL herr_t H5P__encode_double(const void *value, void **_pp, size_t *size);
H5_DLL herr_t H5P__encode_uint64_t(const void *value, void **_pp, size_t *size);
H5_DLL herr_t H5P__decode_hsize_t(const void **_pp, void *value);
H5_DLL herr_t H5P__decode_size_t(const void **_pp, void *value);
H5_DLL herr_t H5P__decode_unsigned(const void **_pp, void *value);
H5_DLL herr_t H5P__decode_uint8_t(const void **_pp, void *value);
H5_DLL herr_t H5P__decode_bool(const void **_pp, void *value);
H5_DLL herr_t H5P__decode_double(const void **_pp, void *value);
H5_DLL herr_t H5P__decode_uint64_t(const void **_pp, void *value);
H5_DLL herr_t H5P__encode_coll_md_read_flag_t(const void *value, void **_pp, size_t *size);
H5_DLL herr_t H5P__decode_coll_md_read_flag_t(const void **_pp, void *value);

/* Private FAPL routines */
H5_DLL herr_t H5P__facc_set_def_driver(void);

/* Private OCPL routines */
H5_DLL herr_t H5P__get_filter(const struct H5Z_filter_info_t *filter, unsigned int *flags, size_t *cd_nelmts,
                              unsigned cd_values[], size_t namelen, char name[], unsigned *filter_config);

/* Testing functions */
#ifdef H5P_TESTING
H5_DLL char *H5P__get_class_path_test(hid_t pclass_id);
H5_DLL hid_t H5P__open_class_path_test(const char *path);
#endif /* H5P_TESTING */

#endif /* H5Ppkg_H */
