prop_object_impl.h revision 1.16
1 /* $NetBSD: prop_object_impl.h,v 1.16 2007/08/16 16:28:18 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _PROPLIB_PROP_OBJECT_IMPL_H_ 40 #define _PROPLIB_PROP_OBJECT_IMPL_H_ 41 42 #if defined(_KERNEL) || defined(_STANDALONE) 43 #include <lib/libkern/libkern.h> 44 #else 45 #include <inttypes.h> 46 #endif 47 48 struct _prop_object_externalize_context { 49 char * poec_buf; /* string buffer */ 50 size_t poec_capacity; /* capacity of buffer */ 51 size_t poec_len; /* current length of string */ 52 unsigned int poec_depth; /* nesting depth */ 53 }; 54 55 bool _prop_object_externalize_start_tag( 56 struct _prop_object_externalize_context *, 57 const char *); 58 bool _prop_object_externalize_end_tag( 59 struct _prop_object_externalize_context *, 60 const char *); 61 bool _prop_object_externalize_empty_tag( 62 struct _prop_object_externalize_context *, 63 const char *); 64 bool _prop_object_externalize_append_cstring( 65 struct _prop_object_externalize_context *, 66 const char *); 67 bool _prop_object_externalize_append_encoded_cstring( 68 struct _prop_object_externalize_context *, 69 const char *); 70 bool _prop_object_externalize_append_char( 71 struct _prop_object_externalize_context *, 72 unsigned char); 73 bool _prop_object_externalize_header( 74 struct _prop_object_externalize_context *); 75 bool _prop_object_externalize_footer( 76 struct _prop_object_externalize_context *); 77 78 struct _prop_object_externalize_context * 79 _prop_object_externalize_context_alloc(void); 80 void _prop_object_externalize_context_free( 81 struct _prop_object_externalize_context *); 82 83 typedef enum { 84 _PROP_TAG_TYPE_START, /* e.g. <dict> */ 85 _PROP_TAG_TYPE_END, /* e.g. </dict> */ 86 _PROP_TAG_TYPE_EITHER 87 } _prop_tag_type_t; 88 89 struct _prop_object_internalize_context { 90 const char *poic_xml; 91 const char *poic_cp; 92 93 const char *poic_tag_start; 94 95 const char *poic_tagname; 96 size_t poic_tagname_len; 97 const char *poic_tagattr; 98 size_t poic_tagattr_len; 99 const char *poic_tagattrval; 100 size_t poic_tagattrval_len; 101 102 bool poic_is_empty_element; 103 _prop_tag_type_t poic_tag_type; 104 }; 105 106 #define _PROP_EOF(c) ((c) == '\0') 107 #define _PROP_ISSPACE(c) \ 108 ((c) == ' ' || (c) == '\t' || (c) == '\n' || (c) == '\r' || \ 109 _PROP_EOF(c)) 110 111 #define _PROP_TAG_MATCH(ctx, t) \ 112 _prop_object_internalize_match((ctx)->poic_tagname, \ 113 (ctx)->poic_tagname_len, \ 114 (t), strlen(t)) 115 116 #define _PROP_TAGATTR_MATCH(ctx, a) \ 117 _prop_object_internalize_match((ctx)->poic_tagattr, \ 118 (ctx)->poic_tagattr_len, \ 119 (a), strlen(a)) 120 121 #define _PROP_TAGATTRVAL_MATCH(ctx, a) \ 122 _prop_object_internalize_match((ctx)->poic_tagattrval, \ 123 (ctx)->poic_tagattrval_len,\ 124 (a), strlen(a)) 125 126 bool _prop_object_internalize_find_tag( 127 struct _prop_object_internalize_context *, 128 const char *, _prop_tag_type_t); 129 bool _prop_object_internalize_match(const char *, size_t, 130 const char *, size_t); 131 prop_object_t _prop_object_internalize_by_tag( 132 struct _prop_object_internalize_context *); 133 bool _prop_object_internalize_decode_string( 134 struct _prop_object_internalize_context *, 135 char *, size_t, size_t *, const char **); 136 prop_object_t _prop_generic_internalize(const char *, const char *); 137 138 struct _prop_object_internalize_context * 139 _prop_object_internalize_context_alloc(const char *); 140 void _prop_object_internalize_context_free( 141 struct _prop_object_internalize_context *); 142 143 #if !defined(_KERNEL) && !defined(_STANDALONE) 144 bool _prop_object_externalize_write_file(const char *, 145 const char *, size_t); 146 147 struct _prop_object_internalize_mapped_file { 148 char * poimf_xml; 149 size_t poimf_mapsize; 150 }; 151 152 struct _prop_object_internalize_mapped_file * 153 _prop_object_internalize_map_file(const char *); 154 void _prop_object_internalize_unmap_file( 155 struct _prop_object_internalize_mapped_file *); 156 #endif /* !_KERNEL && !_STANDALONE */ 157 158 /* These are here because they're required by shared code. */ 159 prop_object_t _prop_array_internalize( 160 struct _prop_object_internalize_context *); 161 prop_object_t _prop_bool_internalize( 162 struct _prop_object_internalize_context *); 163 prop_object_t _prop_data_internalize( 164 struct _prop_object_internalize_context *); 165 prop_object_t _prop_dictionary_internalize( 166 struct _prop_object_internalize_context *); 167 prop_object_t _prop_number_internalize( 168 struct _prop_object_internalize_context *); 169 prop_object_t _prop_string_internalize( 170 struct _prop_object_internalize_context *); 171 172 struct _prop_object_type { 173 uint32_t pot_type; /* type indicator */ 174 void (*pot_free)(void *); /* func to free object */ 175 bool (*pot_extern) /* func to externalize object */ 176 (struct _prop_object_externalize_context *, 177 void *); 178 bool (*pot_equals) /* func to test quality */ 179 (void *, void *); 180 }; 181 182 struct _prop_object { 183 const struct _prop_object_type *po_type;/* type descriptor */ 184 uint32_t po_refcnt; /* reference count */ 185 }; 186 187 void _prop_object_init(struct _prop_object *, 188 const struct _prop_object_type *); 189 void _prop_object_fini(struct _prop_object *); 190 191 struct _prop_object_iterator { 192 prop_object_t (*pi_next_object)(void *); 193 void (*pi_reset)(void *); 194 prop_object_t pi_obj; 195 uint32_t pi_version; 196 }; 197 198 #if defined(_KERNEL) 199 200 /* 201 * proplib in the kernel... 202 */ 203 204 #include <sys/param.h> 205 #include <sys/malloc.h> 206 #include <sys/pool.h> 207 #include <sys/systm.h> 208 #include <sys/lock.h> 209 #include <sys/rwlock.h> 210 211 #define _PROP_ASSERT(x) KASSERT(x) 212 213 #define _PROP_MALLOC(s, t) malloc((s), (t), M_WAITOK) 214 #define _PROP_CALLOC(s, t) malloc((s), (t), M_WAITOK | M_ZERO) 215 #define _PROP_REALLOC(v, s, t) realloc((v), (s), (t), M_WAITOK) 216 #define _PROP_FREE(v, t) free((v), (t)) 217 218 #define _PROP_POOL_GET(p) pool_get(&(p), PR_WAITOK) 219 #define _PROP_POOL_PUT(p, v) pool_put(&(p), (v)) 220 221 #define _PROP_POOL_INIT(p, s, d) \ 222 POOL_INIT(p, s, 0, 0, 0, d, &pool_allocator_nointr, IPL_NONE); 223 224 #define _PROP_MALLOC_DEFINE(t, s, l) \ 225 MALLOC_DEFINE(t, s, l); 226 227 #define _PROP_MUTEX_DECL_STATIC(x) \ 228 static struct simplelock x = SIMPLELOCK_INITIALIZER; 229 #define _PROP_MUTEX_LOCK(x) simple_lock(&(x)) 230 #define _PROP_MUTEX_UNLOCK(x) simple_unlock(&(x)) 231 232 #define _PROP_RWLOCK_DECL(x) krwlock_t x ; 233 #define _PROP_RWLOCK_INIT(x) rw_init(&(x)) 234 #define _PROP_RWLOCK_RDLOCK(x) rw_enter(&(x), RW_READER) 235 #define _PROP_RWLOCK_WRLOCK(x) rw_enter(&(x), RW_WRITER) 236 #define _PROP_RWLOCK_UNLOCK(x) rw_exit(&(x)) 237 #define _PROP_RWLOCK_DESTROY(x) rw_destroy(&(x)) 238 239 #elif defined(_STANDALONE) 240 241 /* 242 * proplib in a standalone environment... 243 */ 244 245 #include <lib/libsa/stand.h> 246 247 void * _prop_standalone_calloc(size_t); 248 void * _prop_standalone_realloc(void *, size_t); 249 250 #define _PROP_ASSERT(x) /* nothing */ 251 252 #define _PROP_MALLOC(s, t) alloc((s)) 253 #define _PROP_CALLOC(s, t) _prop_standalone_calloc((s)) 254 #define _PROP_REALLOC(v, s, t) _prop_standalone_realloc((v), (s)) 255 #define _PROP_FREE(v, t) dealloc((v), 0) /* XXX */ 256 257 #define _PROP_POOL_GET(p) alloc((p)) 258 #define _PROP_POOL_PUT(p, v) dealloc((v), (p)) 259 260 #define _PROP_POOL_INIT(p, s, d) static const size_t p = s; 261 262 #define _PROP_MALLOC_DEFINE(t, s, l) /* nothing */ 263 264 #define _PROP_MUTEX_DECL_STATIC(x) /* nothing */ 265 #define _PROP_MUTEX_LOCK(x) /* nothing */ 266 #define _PROP_MUTEX_UNLOCK(x) /* nothing */ 267 268 #define _PROP_RWLOCK_DECL(x) /* nothing */ 269 #define _PROP_RWLOCK_INIT(x) /* nothing */ 270 #define _PROP_RWLOCK_RDLOCK(x) /* nothing */ 271 #define _PROP_RWLOCK_WRLOCK(x) /* nothing */ 272 #define _PROP_RWLOCK_UNLOCK(x) /* nothing */ 273 #define _PROP_RWLOCK_DESTROY(x) /* nothing */ 274 275 #else 276 277 /* 278 * proplib in user space... 279 */ 280 281 #include <assert.h> 282 #include <string.h> 283 #include <stdio.h> 284 #include <stdlib.h> 285 #include <stddef.h> 286 287 #define _PROP_ASSERT(x) /*LINTED*/assert(x) 288 289 #define _PROP_MALLOC(s, t) malloc((s)) 290 #define _PROP_CALLOC(s, t) calloc(1, (s)) 291 #define _PROP_REALLOC(v, s, t) realloc((v), (s)) 292 #define _PROP_FREE(v, t) free((v)) 293 294 #define _PROP_POOL_GET(p) malloc((p)) 295 #define _PROP_POOL_PUT(p, v) free((v)) 296 297 #define _PROP_POOL_INIT(p, s, d) static const size_t p = s; 298 299 #define _PROP_MALLOC_DEFINE(t, s, l) /* nothing */ 300 301 #if defined(__NetBSD__) && defined(_LIBPROP) 302 /* 303 * Use the same mechanism as libc; we get pthread mutexes for threaded 304 * programs and do-nothing stubs for non-threaded programs. 305 */ 306 #include "reentrant.h" 307 #define _PROP_MUTEX_DECL_STATIC(x) static mutex_t x = MUTEX_INITIALIZER; 308 #define _PROP_MUTEX_LOCK(x) mutex_lock(&(x)) 309 #define _PROP_MUTEX_UNLOCK(x) mutex_unlock(&(x)) 310 311 #define _PROP_RWLOCK_DECL(x) rwlock_t x ; 312 #define _PROP_RWLOCK_INIT(x) rwlock_init(&(x), NULL) 313 #define _PROP_RWLOCK_RDLOCK(x) rwlock_rdlock(&(x)) 314 #define _PROP_RWLOCK_WRLOCK(x) rwlock_wrlock(&(x)) 315 #define _PROP_RWLOCK_UNLOCK(x) rwlock_unlock(&(x)) 316 #define _PROP_RWLOCK_DESTROY(x) rwlock_destroy(&(x)) 317 #elif defined(HAVE_NBTOOL_CONFIG_H) 318 /* 319 * None of NetBSD's build tools are multi-threaded. 320 */ 321 #define _PROP_MUTEX_DECL_STATIC(x) /* nothing */ 322 #define _PROP_MUTEX_LOCK(x) /* nothing */ 323 #define _PROP_MUTEX_UNLOCK(x) /* nothing */ 324 325 #define _PROP_RWLOCK_DECL(x) /* nothing */ 326 #define _PROP_RWLOCK_INIT(x) /* nothing */ 327 #define _PROP_RWLOCK_RDLOCK(x) /* nothing */ 328 #define _PROP_RWLOCK_WRLOCK(x) /* nothing */ 329 #define _PROP_RWLOCK_UNLOCK(x) /* nothing */ 330 #define _PROP_RWLOCK_DESTROY(x) /* nothing */ 331 #else 332 /* 333 * Use pthread mutexes everywhere else. 334 */ 335 #include <pthread.h> 336 #define _PROP_MUTEX_DECL_STATIC(x) \ 337 static pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER; 338 #define _PROP_MUTEX_LOCK(x) pthread_mutex_lock(&(x)) 339 #define _PROP_MUTEX_UNLOCK(x) pthread_mutex_unlock(&(x)) 340 341 #define _PROP_RWLOCK_DECL(x) pthread_rwlock_t x ; 342 #define _PROP_RWLOCK_INIT(x) pthread_rwlock_init(&(x), NULL) 343 #define _PROP_RWLOCK_RDLOCK(x) pthread_rwlock_rdlock(&(x)) 344 #define _PROP_RWLOCK_WRLOCK(x) pthread_rwlock_wrlock(&(x)) 345 #define _PROP_RWLOCK_UNLOCK(x) pthread_rwlock_unlock(&(x)) 346 #define _PROP_RWLOCK_DESTROY(x) pthread_rwlock_destroy(&(x)) 347 #endif 348 349 #endif /* _KERNEL */ 350 351 /* 352 * Language features. 353 */ 354 #if defined(__NetBSD__) 355 #include <sys/cdefs.h> 356 #define _PROP_ARG_UNUSED __unused 357 #else 358 #define _PROP_ARG_UNUSED /* delete */ 359 #endif /* __NetBSD__ */ 360 361 #endif /* _PROPLIB_PROP_OBJECT_IMPL_H_ */ 362
Indexes created Mon Sep 22 13:09:51 GMT 2025