1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2  * Copyright by The HDF Group.                                               *
3  * Copyright by the Board of Trustees of the University of Illinois.         *
4  * All rights reserved.                                                      *
5  *                                                                           *
6  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
7  * terms governing use, modification, and redistribution, is contained in    *
8  * the files COPYING and Copyright.html.  COPYING can be found at the root   *
9  * of the source code distribution tree; Copyright.html can be found at the  *
10  * root level of an installed copy of the electronic HDF5 document set and   *
11  * is linked from the top-level documents page.  It can also be found at     *
12  * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
13  * access to either file, you may request a copy from help@hdfgroup.org.     *
14  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
15 
16 /*
17  * Programmer:	Quincey Koziol <koziol@ncsa.uiuc.edu>
18  *		Friday, November 16, 2001
19  *
20  * Purpose:	This file contains declarations which are visible only within
21  *		the H5P package.  Source files outside the H5P package should
22  *		include H5Pprivate.h instead.
23  */
24 #ifndef H5P_PACKAGE
25 #error "Do not include this file outside the H5P package!"
26 #endif
27 
28 #ifndef _H5Ppkg_H
29 #define _H5Ppkg_H
30 
31 /* Get package's private header */
32 #include "H5Pprivate.h"
33 
34 /* Other private headers needed by this file */
35 #include "H5SLprivate.h"	/* Skip lists				*/
36 
37 /**************************/
38 /* Package Private Macros */
39 /**************************/
40 
41 
42 /****************************/
43 /* Package Private Typedefs */
44 /****************************/
45 
46 /* Define enum for type of object that property is within */
47 typedef enum {
48     H5P_PROP_WITHIN_UNKNOWN=0,  /* Property container is unknown */
49     H5P_PROP_WITHIN_LIST,       /* Property is within a list */
50     H5P_PROP_WITHIN_CLASS       /* Property is within a class */
51 } H5P_prop_within_t;
52 
53 /* Define enum for modifications to class */
54 typedef enum {
55     H5P_MOD_ERR=(-1),   /* Indicate an error */
56     H5P_MOD_INC_CLS,    /* Increment the dependant class count*/
57     H5P_MOD_DEC_CLS,    /* Decrement the dependant class count*/
58     H5P_MOD_INC_LST,    /* Increment the dependant list count*/
59     H5P_MOD_DEC_LST,    /* Decrement the dependant list count*/
60     H5P_MOD_INC_REF,    /* Increment the ID reference count*/
61     H5P_MOD_DEC_REF,    /* Decrement the ID reference count*/
62     H5P_MOD_MAX         /* Upper limit on class modifications */
63 } H5P_class_mod_t;
64 
65 /* Define structure to hold property information */
66 typedef struct H5P_genprop_t {
67     /* Values for this property */
68     char *name;         /* Name of property */
69     size_t size;        /* Size of property value */
70     void *value;        /* Pointer to property value */
71     H5P_prop_within_t type;     /* Type of object the property is within */
72     hbool_t shared_name;   /* Whether the name is shared or not */
73 
74     /* Callback function pointers & info */
75     H5P_prp_create_func_t create;   /* Function to call when a property is created */
76     H5P_prp_set_func_t set; /* Function to call when a property value is set */
77     H5P_prp_get_func_t get; /* Function to call when a property value is retrieved */
78     H5P_prp_delete_func_t del; /* Function to call when a property is deleted */
79     H5P_prp_copy_func_t copy;  /* Function to call when a property is copied */
80     H5P_prp_compare_func_t cmp; /* Function to call when a property is compared */
81     H5P_prp_close_func_t close; /* Function to call when a property is closed */
82 } H5P_genprop_t;
83 
84 /* Define structure to hold class information */
85 struct H5P_genclass_t {
86     struct H5P_genclass_t *parent;     /* Pointer to parent class */
87     char      *name;       /* Name of property list class */
88     H5P_plist_type_t type; /* Type of property */
89     size_t     nprops;     /* Number of properties in class */
90     unsigned   plists;     /* Number of property lists that have been created since the last modification to the class */
91     unsigned   classes;    /* Number of classes that have been derived since the last modification to the class */
92     unsigned   ref_count;  /* Number of oustanding ID's open on this class object */
93     hbool_t    deleted;    /* Whether this class has been deleted and is waiting for dependent classes & proplists to close */
94     unsigned   revision;   /* Revision number of a particular class (global) */
95     H5SL_t    *props;      /* Skip list containing properties */
96 
97     /* Callback function pointers & info */
98     H5P_cls_create_func_t create_func;  /* Function to call when a property list is created */
99     void *create_data;     /* Pointer to user data to pass along to create callback */
100     H5P_cls_copy_func_t copy_func;      /* Function to call when a property list is copied */
101     void *copy_data;       /* Pointer to user data to pass along to copy callback */
102     H5P_cls_close_func_t close_func;    /* Function to call when a property list is closed */
103     void *close_data;      /* Pointer to user data to pass along to close callback */
104 };
105 
106 /* Define structure to hold property list information */
107 struct H5P_genplist_t {
108     H5P_genclass_t *pclass; /* Pointer to class info */
109     hid_t   plist_id;   /* Copy of the property list ID (for use in close callback) */
110     size_t  nprops;     /* Number of properties in class */
111     hbool_t class_init; /* Whether the class initialization callback finished successfully */
112     H5SL_t *del;        /* Skip list containing names of deleted properties */
113     H5SL_t *props;      /* Skip list containing properties */
114 };
115 
116 /* Function pointer for library classes with properties to register */
117 typedef herr_t (*H5P_init_class_op_t)(H5P_genclass_t *pclass);
118 typedef herr_t (*H5P_reg_prop_func_t)(H5P_genclass_t *pclass);
119 
120 /*
121  * Each library property list class has a variable of this type that contains
122  * class variables and methods used to initialize the class.
123  */
124 typedef struct H5P_libclass_t {
125     const char	*name;		        /* Class name */
126     H5P_plist_type_t type;              /* Class type */
127 
128     hid_t const * const par_class_id;   /* Pointer to global parent class property list class ID */
129     hid_t * const class_id;             /* Pointer to global property list class ID */
130     hid_t * const def_plist_id;         /* Pointer to global default property list ID */
131     H5P_reg_prop_func_t reg_prop_func;  /* Register class's properties */
132 
133     /* Class callback function pointers & info */
134     H5P_cls_create_func_t create_func;  /* Function to call when a property list is created */
135     void *create_data;                  /* Pointer to user data to pass along to create callback */
136     H5P_cls_copy_func_t copy_func;      /* Function to call when a property list is copied */
137     void *copy_data;                    /* Pointer to user data to pass along to copy callback */
138     H5P_cls_close_func_t close_func;    /* Function to call when a property list is closed */
139     void *close_data;                   /* Pointer to user data to pass along to close callback */
140 } H5P_libclass_t;
141 
142 /* Property list/class iterator callback function pointer */
143 typedef int (*H5P_iterate_int_t)(H5P_genprop_t *prop, void *udata);
144 
145 /*****************************/
146 /* Package Private Variables */
147 /*****************************/
148 
149 
150 /******************************/
151 /* Package Private Prototypes */
152 /******************************/
153 
154 /* Private functions, not part of the publicly documented API */
155 H5_DLL herr_t H5P__term_pub_interface(void);
156 H5_DLL herr_t H5P__term_deprec_interface(void);
157 H5_DLL H5P_genclass_t *H5P_create_class(H5P_genclass_t *par_class,
158     const char *name, H5P_plist_type_t type,
159     H5P_cls_create_func_t cls_create, void *create_data,
160     H5P_cls_copy_func_t cls_copy, void *copy_data,
161     H5P_cls_close_func_t cls_close, void *close_data);
162 H5_DLL H5P_genclass_t *H5P_copy_pclass(H5P_genclass_t *pclass);
163 H5_DLL herr_t H5P_register_real(H5P_genclass_t *pclass, const char *name, size_t size,
164     const void *def_value, H5P_prp_create_func_t prp_create, H5P_prp_set_func_t prp_set,
165     H5P_prp_get_func_t prp_get, H5P_prp_delete_func_t prp_delete,
166     H5P_prp_copy_func_t prp_copy, H5P_prp_compare_func_t prp_cmp,
167     H5P_prp_close_func_t prp_close);
168 H5_DLL herr_t H5P_register(H5P_genclass_t **pclass, const char *name, size_t size,
169     const void *def_value, H5P_prp_create_func_t prp_create, H5P_prp_set_func_t prp_set,
170     H5P_prp_get_func_t prp_get, H5P_prp_delete_func_t prp_delete,
171     H5P_prp_copy_func_t prp_copy, H5P_prp_compare_func_t prp_cmp,
172     H5P_prp_close_func_t prp_close);
173 H5_DLL herr_t H5P_add_prop(H5SL_t *props, H5P_genprop_t *prop);
174 H5_DLL herr_t H5P_access_class(H5P_genclass_t *pclass, H5P_class_mod_t mod);
175 H5_DLL htri_t H5P_exist_pclass(H5P_genclass_t *pclass, const char *name);
176 H5_DLL herr_t H5P_get_size_plist(const H5P_genplist_t *plist, const char *name,
177     size_t *size);
178 H5_DLL herr_t H5P_get_size_pclass(H5P_genclass_t *pclass, const char *name,
179     size_t *size);
180 H5_DLL H5P_genclass_t *H5P_get_class(const H5P_genplist_t *plist);
181 H5_DLL herr_t H5P_get_nprops_plist(const H5P_genplist_t *plist, size_t *nprops);
182 H5_DLL int H5P_cmp_class(const H5P_genclass_t *pclass1, const H5P_genclass_t *pclass2);
183 H5_DLL herr_t H5P_cmp_plist(const H5P_genplist_t *plist1, const H5P_genplist_t *plist2,
184     int *cmp_ret);
185 H5_DLL int H5P_iterate_plist(const H5P_genplist_t *plist, hbool_t iter_all_prop,
186     int *idx, H5P_iterate_int_t iter_func, void *iter_data);
187 H5_DLL int H5P_iterate_pclass(const H5P_genclass_t *pclass, int *idx,
188     H5P_iterate_int_t iter_func, void *iter_data);
189 H5_DLL herr_t H5P_copy_prop_plist(hid_t dst_id, hid_t src_id, const char *name);
190 H5_DLL herr_t H5P_copy_prop_pclass(hid_t dst_id, hid_t src_id, const char *name);
191 H5_DLL herr_t H5P_unregister(H5P_genclass_t *pclass, const char *name);
192 H5_DLL char *H5P_get_class_path(H5P_genclass_t *pclass);
193 H5_DLL H5P_genclass_t *H5P_open_class_path(const char *path);
194 H5_DLL H5P_genclass_t *H5P_get_class_parent(const H5P_genclass_t *pclass);
195 H5_DLL herr_t H5P_close_class(void *_pclass);
196 H5_DLL herr_t H5P_get_filter(const H5Z_filter_info_t *filter,
197     unsigned int *flags, size_t *cd_nelmts, unsigned cd_values[],
198     size_t namelen, char name[], unsigned *filter_config);
199 H5_DLL H5P_genprop_t *H5P__find_prop_plist(const H5P_genplist_t *plist, const char *name);
200 
201 /* Testing functions */
202 #ifdef H5P_TESTING
203 H5_DLL char *H5P_get_class_path_test(hid_t pclass_id);
204 H5_DLL hid_t H5P_open_class_path_test(const char *path);
205 H5_DLL herr_t H5P_reset_external_file_test(hid_t dcpl_id);
206 #endif /* H5P_TESTING */
207 
208 #endif /* _H5Ppkg_H */
209 
210