prop_object_impl.h revision 1.3
1 /* $NetBSD: prop_object_impl.h,v 1.3 2006/05/18 16:23:55 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 struct _prop_object_externalize_context { 43 char * poec_buf; /* string buffer */ 44 size_t poec_capacity; /* capacity of buffer */ 45 size_t poec_len; /* current length of string */ 46 unsigned int poec_depth; /* nesting depth */ 47 }; 48 49 boolean_t _prop_object_externalize_start_tag( 50 struct _prop_object_externalize_context *, 51 const char *); 52 boolean_t _prop_object_externalize_end_tag( 53 struct _prop_object_externalize_context *, 54 const char *); 55 boolean_t _prop_object_externalize_empty_tag( 56 struct _prop_object_externalize_context *, 57 const char *); 58 boolean_t _prop_object_externalize_append_cstring( 59 struct _prop_object_externalize_context *, 60 const char *); 61 boolean_t _prop_object_externalize_append_encoded_cstring( 62 struct _prop_object_externalize_context *, 63 const char *); 64 boolean_t _prop_object_externalize_append_char( 65 struct _prop_object_externalize_context *, 66 unsigned char); 67 68 struct _prop_object_externalize_context * 69 _prop_object_externalize_context_alloc(void); 70 void _prop_object_externalize_context_free( 71 struct _prop_object_externalize_context *); 72 73 typedef enum { 74 _PROP_TAG_TYPE_START, /* e.g. <dict> */ 75 _PROP_TAG_TYPE_END, /* e.g. </dict> */ 76 _PROP_TAG_TYPE_EITHER 77 } _prop_tag_type_t; 78 79 struct _prop_object_internalize_context { 80 const char *poic_xml; 81 const char *poic_cp; 82 83 const char *poic_tag_start; 84 85 const char *poic_tagname; 86 size_t poic_tagname_len; 87 const char *poic_tagattr; 88 size_t poic_tagattr_len; 89 const char *poic_tagattrval; 90 size_t poic_tagattrval_len; 91 92 boolean_t poic_is_empty_element; 93 _prop_tag_type_t poic_tag_type; 94 }; 95 96 #define _PROP_EOF(c) ((c) == '\0') 97 #define _PROP_ISSPACE(c) \ 98 ((c) == ' ' || (c) == '\t' || (c) == '\n' || _PROP_EOF(c)) 99 100 #define _PROP_TAG_MATCH(ctx, t) \ 101 _prop_object_internalize_match((ctx)->poic_tagname, \ 102 (ctx)->poic_tagname_len, \ 103 (t), strlen(t)) 104 105 #define _PROP_TAGATTR_MATCH(ctx, a) \ 106 _prop_object_internalize_match((ctx)->poic_tagattr, \ 107 (ctx)->poic_tagattr_len, \ 108 (a), strlen(a)) 109 110 #define _PROP_TAGATTRVAL_MATCH(ctx, a) \ 111 _prop_object_internalize_match((ctx)->poic_tagattrval, \ 112 (ctx)->poic_tagattrval_len,\ 113 (a), strlen(a)) 114 115 boolean_t _prop_object_internalize_find_tag( 116 struct _prop_object_internalize_context *, 117 const char *, _prop_tag_type_t); 118 boolean_t _prop_object_internalize_match(const char *, size_t, 119 const char *, size_t); 120 prop_object_t _prop_object_internalize_by_tag( 121 struct _prop_object_internalize_context *); 122 boolean_t _prop_object_internalize_decode_string( 123 struct _prop_object_internalize_context *, 124 char *, size_t, size_t *, const char **); 125 126 struct _prop_object_internalize_context * 127 _prop_object_internalize_context_alloc(const char *); 128 void _prop_object_internalize_context_free( 129 struct _prop_object_internalize_context *); 130 131 /* These are here because they're required by shared code. */ 132 prop_object_t _prop_array_internalize( 133 struct _prop_object_internalize_context *); 134 prop_object_t _prop_bool_internalize( 135 struct _prop_object_internalize_context *); 136 prop_object_t _prop_data_internalize( 137 struct _prop_object_internalize_context *); 138 prop_object_t _prop_dictionary_internalize( 139 struct _prop_object_internalize_context *); 140 prop_object_t _prop_number_internalize( 141 struct _prop_object_internalize_context *); 142 prop_object_t _prop_string_internalize( 143 struct _prop_object_internalize_context *); 144 145 struct _prop_object_type { 146 uint32_t pot_type; /* type indicator */ 147 void (*pot_free)(void *); /* func to free object */ 148 boolean_t (*pot_extern) /* func to externalize object */ 149 (struct _prop_object_externalize_context *, 150 void *); 151 boolean_t (*pot_equals) /* func to test quality */ 152 (void *, void *); 153 }; 154 155 struct _prop_object { 156 const struct _prop_object_type *po_type;/* type descriptor */ 157 uint32_t po_refcnt; /* reference count */ 158 }; 159 160 void _prop_object_init(struct _prop_object *, 161 const struct _prop_object_type *); 162 void _prop_object_fini(struct _prop_object *); 163 164 struct _prop_object_iterator { 165 prop_object_t (*pi_next_object)(void *); 166 void (*pi_reset)(void *); 167 prop_object_t pi_obj; 168 uint32_t pi_version; 169 }; 170 171 #if defined(_KERNEL) 172 173 /* 174 * proplib in the kernel... 175 */ 176 177 #include <sys/malloc.h> 178 #include <sys/pool.h> 179 #include <sys/systm.h> 180 #include <sys/lock.h> 181 182 #define _PROP_ASSERT(x) KASSERT(x) 183 184 #define _PROP_MALLOC(s, t) malloc((s), (t), M_WAITOK) 185 #define _PROP_CALLOC(s, t) malloc((s), (t), M_WAITOK | M_ZERO) 186 #define _PROP_REALLOC(v, s, t) realloc((v), (s), (t), M_WAITOK) 187 #define _PROP_FREE(v, t) free((v), (t)) 188 189 #define _PROP_POOL_GET(p) pool_get(&(p), PR_WAITOK) 190 #define _PROP_POOL_PUT(p, v) pool_put(&(p), (v)) 191 192 #define _PROP_POOL_INIT(p, s, d) \ 193 POOL_INIT(p, s, 0, 0, 0, d, &pool_allocator_nointr); 194 195 #define _PROP_MALLOC_DEFINE(t, s, l) \ 196 MALLOC_DEFINE(t, s, l); 197 198 #define _PROP_MUTEX_DECL(x) \ 199 static struct simplelock x = SIMPLELOCK_INITIALIZER; 200 #define _PROP_MUTEX_LOCK(x) simple_lock(&(x)) 201 #define _PROP_MUTEX_UNLOCK(x) simple_unlock(&(x)) 202 203 #elif defined(_STANDALONE) 204 205 /* 206 * proplib in a standalone environment... 207 */ 208 209 #include <lib/libsa/stand.h> 210 #include <lib/libkern/libkern.h> 211 212 void * _prop_standalone_calloc(size_t); 213 void * _prop_standalone_realloc(void *, size_t); 214 215 #define _PROP_ASSERT(x) /* nothing */ 216 217 #define _PROP_MALLOC(s, t) alloc((s)) 218 #define _PROP_CALLOC(s, t) _prop_standalone_calloc((s)) 219 #define _PROP_REALLOC(v, s, t) _prop_standalone_realloc((v), (s)) 220 #define _PROP_FREE(v, t) dealloc((v), 0) /* XXX */ 221 222 #define _PROP_POOL_GET(p) alloc((p)) 223 #define _PROP_POOL_PUT(p, v) dealloc((v), (p)) 224 225 #define _PROP_POOL_INIT(p, s, d) static const size_t p = s; 226 227 #define _PROP_MALLOC_DEFINE(t, s, l) /* nothing */ 228 229 #define _PROP_MUTEX_DECL(x) /* nothing */ 230 #define _PROP_MUTEX_LOCK(x) /* nothing */ 231 #define _PROP_MUTEX_UNLOCK(x) /* nothing */ 232 233 #else 234 235 /* 236 * proplib in user space... 237 */ 238 239 #include <assert.h> 240 #include <string.h> 241 #include <stdio.h> 242 #include <stdlib.h> 243 244 #define _PROP_ASSERT(x) assert(x) 245 246 #define _PROP_MALLOC(s, t) malloc((s)) 247 #define _PROP_CALLOC(s, t) calloc(1, (s)) 248 #define _PROP_REALLOC(v, s, t) realloc((v), (s)) 249 #define _PROP_FREE(v, t) free((v)) 250 251 #define _PROP_POOL_GET(p) malloc((p)) 252 #define _PROP_POOL_PUT(p, v) free((v)) 253 254 #define _PROP_POOL_INIT(p, s, d) static const size_t p = s; 255 256 #define _PROP_MALLOC_DEFINE(t, s, l) /* nothing */ 257 258 #if defined(__NetBSD__) && defined(_LIBPROP) 259 /* 260 * Use the same mechanism as libc; we get pthread mutexes for threaded 261 * programs and do-nothing stubs for non-threaded programs. 262 */ 263 #include "reentrant.h" 264 #define _PROP_MUTEX_DECL(x) static mutex_t x = MUTEX_INITIALIZER; 265 #define _PROP_MUTEX_LOCK(x) mutex_lock(&(x)) 266 #define _PROP_MUTEX_UNLOCK(x) mutex_unlock(&(x)) 267 #elif defined(HAVE_NBTOOL_CONFIG_H) 268 /* 269 * None of NetBSD's build tools are multi-threaded. 270 */ 271 #define _PROP_MUTEX_DECL(x) /* nothing */ 272 #define _PROP_MUTEX_LOCK(x) /* nothing */ 273 #define _PROP_MUTEX_UNLOCK(x) /* nothing */ 274 #else 275 /* 276 * Use pthread mutexes everywhere else. 277 */ 278 #include <pthread.h> 279 #define _PROP_MUTEX_DECL(x) \ 280 static pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER; 281 #define _PROP_MUTEX_LOCK(x) pthread_mutex_lock(&(x)) 282 #define _PROP_MUTEX_UNLOCK(x) pthread_mutex_unlock(&(x)) 283 #endif 284 285 #endif /* _KERNEL */ 286 287 #endif /* _PROPLIB_PROP_OBJECT_IMPL_H_ */ 288
Indexes created Tue Sep 23 22:09:46 GMT 2025