| 1 | /*␊ |
| 2 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * Portions Copyright (c) 2003 Apple Computer, Inc. All Rights␊ |
| 7 | * Reserved. ␊ |
| 8 | * The contents of this file constitute Original Code as defined in and␊ |
| 9 | * are subject to the Apple Public Source License Version 2.0 (the␊ |
| 10 | * "License"). You may not use this file except in compliance with the␊ |
| 11 | * License. Please obtain a copy of the License at␊ |
| 12 | * http://www.apple.com/publicsource and read it before using this file.␊ |
| 13 | * ␊ |
| 14 | * This Original Code and all software distributed under the License are␊ |
| 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
| 19 | * License for the specific language governing rights and limitations␊ |
| 20 | * under the License.␊ |
| 21 | * ␊ |
| 22 | * @APPLE_LICENSE_HEADER_END@␊ |
| 23 | */␊ |
| 24 | ␊ |
| 25 | #include "bootstruct.h"␊ |
| 26 | #include "libsaio.h"␊ |
| 27 | #include "sl.h"␊ |
| 28 | #include "xml.h"␊ |
| 29 | ␊ |
| 30 | string_ref *ref_strings = NULL;␊ |
| 31 | ␊ |
| 32 | /// TODO: remove below␊ |
| 33 | static char* buffer_start = NULL;␊ |
| 34 | // TODO: redo the next two functions␊ |
| 35 | void SaveRefString(char* string, int id)␊ |
| 36 | {␊ |
| 37 | ␉//printf("Adding Ref String %d (%s)\n", id, string);␊ |
| 38 | ␉string_ref* tmp = ref_strings;␊ |
| 39 | ␉while(tmp)␊ |
| 40 | ␉{␊ |
| 41 | ␉␉if(tmp->id == id)␊ |
| 42 | ␉␉{␊ |
| 43 | ␉␉␉tmp->string = malloc(strlen(string)+1);␊ |
| 44 | ␉␉␉sprintf(tmp->string, "%s", string);␊ |
| 45 | ␉␉␉return;␊ |
| 46 | ␉␉}␊ |
| 47 | ␉␉tmp = tmp->next;␊ |
| 48 | ␉}␊ |
| 49 | ␉␊ |
| 50 | ␉string_ref* new_ref = malloc(sizeof(string_ref));␊ |
| 51 | ␉new_ref->string = malloc(strlen(string)+1);␊ |
| 52 | ␉sprintf(new_ref->string, "%s", string);␊ |
| 53 | ␉new_ref->id = id;␊ |
| 54 | ␉new_ref->next = ref_strings;␊ |
| 55 | ␉ref_strings = new_ref;␊ |
| 56 | }␊ |
| 57 | ␊ |
| 58 | char* GetRefString(int id)␊ |
| 59 | {␊ |
| 60 | ␉string_ref* tmp = ref_strings;␊ |
| 61 | ␉while(tmp)␊ |
| 62 | ␉{␊ |
| 63 | ␉␉if(tmp->id == id) return tmp->string;␊ |
| 64 | ␉␉tmp = tmp->next;␊ |
| 65 | ␉}␊ |
| 66 | ␉//verbose("Unable to locate Ref String %d\n", id);␊ |
| 67 | ␉return "";␊ |
| 68 | }␊ |
| 69 | ␊ |
| 70 | struct Module {␊ |
| 71 | struct Module *nextModule;␊ |
| 72 | long willLoad;␊ |
| 73 | TagPtr dict;␊ |
| 74 | char *plistAddr;␊ |
| 75 | long plistLength;␊ |
| 76 | char *driverPath;␊ |
| 77 | };␊ |
| 78 | typedef struct Module Module, *ModulePtr;␊ |
| 79 | ␊ |
| 80 | struct DriverInfo {␊ |
| 81 | char *plistAddr;␊ |
| 82 | long plistLength;␊ |
| 83 | void *moduleAddr;␊ |
| 84 | long moduleLength;␊ |
| 85 | };␊ |
| 86 | typedef struct DriverInfo DriverInfo, *DriverInfoPtr;␊ |
| 87 | ␊ |
| 88 | #define kDriverPackageSignature1 'MKXT'␊ |
| 89 | #define kDriverPackageSignature2 'MOSX'␊ |
| 90 | ␊ |
| 91 | struct DriversPackage {␊ |
| 92 | unsigned long signature1;␊ |
| 93 | unsigned long signature2;␊ |
| 94 | unsigned long length;␊ |
| 95 | unsigned long adler32;␊ |
| 96 | unsigned long version;␊ |
| 97 | unsigned long numDrivers;␊ |
| 98 | unsigned long reserved1;␊ |
| 99 | unsigned long reserved2;␊ |
| 100 | };␊ |
| 101 | typedef struct DriversPackage DriversPackage;␊ |
| 102 | ␊ |
| 103 | enum {␊ |
| 104 | kCFBundleType2,␊ |
| 105 | kCFBundleType3␊ |
| 106 | };␊ |
| 107 | ␊ |
| 108 | ␊ |
| 109 | #define USEMALLOC 1␊ |
| 110 | #define DOFREE 1␊ |
| 111 | ␊ |
| 112 | static long ParseTagList(char *buffer, TagPtr *tag, long type, long empty);␊ |
| 113 | static long ParseTagKey(char *buffer, TagPtr *tag);␊ |
| 114 | static long ParseTagString(char *buffer, TagPtr *tag);␊ |
| 115 | static long ParseTagInteger(char *buffer, TagPtr *tag);␊ |
| 116 | static long ParseTagData(char *buffer, TagPtr *tag);␊ |
| 117 | static long ParseTagDate(char *buffer, TagPtr *tag);␊ |
| 118 | static long ParseTagBoolean(char *buffer, TagPtr *tag, long type);␊ |
| 119 | static long GetNextTag(char *buffer, char **tag, long *start);␊ |
| 120 | static long FixDataMatchingTag(char *buffer, char *tag);␊ |
| 121 | static TagPtr NewTag(void);␊ |
| 122 | static char *NewSymbol(char *string);␊ |
| 123 | #if DOFREE␊ |
| 124 | static void FreeSymbol(char *string);␊ |
| 125 | #endif␊ |
| 126 | ␊ |
| 127 | ␊ |
| 128 | //==========================================================================␊ |
| 129 | // XMLGetProperty␊ |
| 130 | ␊ |
| 131 | TagPtr␊ |
| 132 | XMLGetProperty( TagPtr dict, const char * key )␊ |
| 133 | {␊ |
| 134 | TagPtr tagList, tag;␊ |
| 135 | ␊ |
| 136 | if (dict->type != kTagTypeDict) return 0;␊ |
| 137 | ␊ |
| 138 | tag = 0;␊ |
| 139 | tagList = dict->tag;␊ |
| 140 | while (tagList)␊ |
| 141 | {␊ |
| 142 | tag = tagList;␊ |
| 143 | tagList = tag->tagNext;␊ |
| 144 | ␊ |
| 145 | if ((tag->type != kTagTypeKey) || (tag->string == 0)) continue;␊ |
| 146 | ␊ |
| 147 | if (!strcmp(tag->string, key)) return tag->tag;␊ |
| 148 | }␊ |
| 149 | ␊ |
| 150 | return 0;␊ |
| 151 | }␊ |
| 152 | ␊ |
| 153 | // XMLGetTag(int index)␊ |
| 154 | ␊ |
| 155 | // XMLTagCount( TagPtr dict )␊ |
| 156 | int XMLTagCount( TagPtr dict )␊ |
| 157 | {␊ |
| 158 | ␉int count = 0;␊ |
| 159 | ␉TagPtr tagList, tag;␊ |
| 160 | ␊ |
| 161 | if (dict->type != kTagTypeDict && dict->type != kTagTypeArray) return 0;␊ |
| 162 | ␉tag = 0;␊ |
| 163 | tagList = dict->tag;␊ |
| 164 | while (tagList)␊ |
| 165 | {␊ |
| 166 | ␉␉tag = tagList;␊ |
| 167 | tagList = tag->tagNext;␊ |
| 168 | ␉␉␊ |
| 169 | ␉␉if (((tag->type != kTagTypeKey) && ((tag->string == 0) || (tag->string[0] == 0)))␊ |
| 170 | ␉␉␉&& (dict->type != kTagTypeArray)␉// If we are an array, any element is valid␊ |
| 171 | ␉␉␉) continue;␊ |
| 172 | ␉␉␊ |
| 173 | ␉␉if(tag->type == kTagTypeKey) printf("Located key %s\n", tag->string);␊ |
| 174 | ␊ |
| 175 | ␉␉count++;␊ |
| 176 | }␊ |
| 177 | ␉␊ |
| 178 | ␉return count;␊ |
| 179 | }␊ |
| 180 | ␊ |
| 181 | TagPtr XMLGetElement( TagPtr dict, int id )␊ |
| 182 | {␊ |
| 183 | ␉if(dict->type != kTagTypeArray) return 0;␊ |
| 184 | ␉␊ |
| 185 | ␉int element = 0;␊ |
| 186 | ␉TagPtr tmp = dict->tag;␊ |
| 187 | ␊ |
| 188 | ␉while(element < id)␊ |
| 189 | ␉{␊ |
| 190 | ␉␉element++;␊ |
| 191 | ␉␉tmp = tmp->tagNext;␊ |
| 192 | ␉}␊ |
| 193 | ␉␊ |
| 194 | ␉return tmp;␊ |
| 195 | }␊ |
| 196 | /* Function for basic XML character entities parsing */␊ |
| 197 | ␊ |
| 198 | char*␊ |
| 199 | XMLDecode(const char* src)␊ |
| 200 | {␊ |
| 201 | typedef const struct XMLEntity {␊ |
| 202 | const char* name;␊ |
| 203 | size_t nameLen;␊ |
| 204 | char value;␊ |
| 205 | } XMLEntity;␊ |
| 206 | ␊ |
| 207 | /* This is ugly, but better than specifying the lengths by hand */␊ |
| 208 | #define _e(str,c) {str,sizeof(str)-1,c}␊ |
| 209 | const XMLEntity ents[] = {␊ |
| 210 | _e("quot;",'"'), _e("apos;",'\''),␊ |
| 211 | _e("lt;", '<'), _e("gt;", '>'),␊ |
| 212 | _e("amp;", '&')␊ |
| 213 | };␊ |
| 214 | ␊ |
| 215 | size_t len;␊ |
| 216 | const char *s;␊ |
| 217 | char *out, *o;␊ |
| 218 | ␊ |
| 219 | if ( !src || !(len = strlen(src)) || !(out = malloc(len+1)) )␊ |
| 220 | return 0;␊ |
| 221 | ␊ |
| 222 | o = out;␊ |
| 223 | s = src;␊ |
| 224 | while (s <= src+len) /* Make sure the terminator is also copied */␊ |
| 225 | {␊ |
| 226 | if ( *s == '&' )␊ |
| 227 | {␊ |
| 228 | bool entFound = false;␊ |
| 229 | int i;␊ |
| 230 | ␊ |
| 231 | s++;␊ |
| 232 | for ( i = 0; i < sizeof(ents); i++)␊ |
| 233 | {␊ |
| 234 | if ( strncmp(s, ents[i].name, ents[i].nameLen) == 0 )␊ |
| 235 | {␊ |
| 236 | entFound = true;␊ |
| 237 | break;␊ |
| 238 | }␊ |
| 239 | }␊ |
| 240 | if ( entFound )␊ |
| 241 | {␊ |
| 242 | *o++ = ents[i].value;␊ |
| 243 | s += ents[i].nameLen;␊ |
| 244 | continue;␊ |
| 245 | }␊ |
| 246 | }␊ |
| 247 | ␊ |
| 248 | *o++ = *s++;␊ |
| 249 | }␊ |
| 250 | ␊ |
| 251 | return out;␊ |
| 252 | } ␊ |
| 253 | ␊ |
| 254 | //#if UNUSED␊ |
| 255 | //==========================================================================␊ |
| 256 | // XMLParseFile␊ |
| 257 | // Expects to see one dictionary in the XML file, the final pos will be returned␊ |
| 258 | // If the pos is not equal to the strlen, then there are multiple dicts␊ |
| 259 | // Puts the first dictionary it finds in the␊ |
| 260 | // tag pointer and returns the end of the dic, or returns -1 if not found.␊ |
| 261 | //␊ |
| 262 | long␊ |
| 263 | XMLParseFile( char * buffer, TagPtr * dict )␊ |
| 264 | {␊ |
| 265 | long length, pos;␊ |
| 266 | TagPtr tag;␊ |
| 267 | pos = 0;␊ |
| 268 | ␉char *configBuffer;␊ |
| 269 | ␉␊ |
| 270 | ␉␊ |
| 271 | ␉␊ |
| 272 | configBuffer = malloc(strlen(buffer)+1);␊ |
| 273 | strcpy(configBuffer, buffer);␊ |
| 274 | ␉␊ |
| 275 | ␉buffer_start = configBuffer;␊ |
| 276 | ␊ |
| 277 | while (1)␊ |
| 278 | {␊ |
| 279 | length = XMLParseNextTag(configBuffer + pos, &tag);␊ |
| 280 | if (length == -1) break;␊ |
| 281 | ␊ |
| 282 | pos += length;␊ |
| 283 | ␊ |
| 284 | if (tag == 0) continue;␊ |
| 285 | if (tag->type == kTagTypeDict) break;␊ |
| 286 | ␊ |
| 287 | XMLFreeTag(tag);␊ |
| 288 | }␊ |
| 289 | ␉free(configBuffer);␊ |
| 290 | ␉if (length < 0) {␊ |
| 291 | return -1;␊ |
| 292 | }␊ |
| 293 | *dict = tag;␊ |
| 294 | return pos;␊ |
| 295 | }␊ |
| 296 | //#endif /* UNUSED */␊ |
| 297 | ␊ |
| 298 | //==========================================================================␊ |
| 299 | // ParseNextTag␊ |
| 300 | // TODO: cleanup␊ |
| 301 | long␊ |
| 302 | XMLParseNextTag( char * buffer, TagPtr * tag )␊ |
| 303 | {␊ |
| 304 | ␉long length, pos;␊ |
| 305 | ␉char * tagName;␊ |
| 306 | ␉␊ |
| 307 | ␉length = GetNextTag(buffer, &tagName, 0);␊ |
| 308 | ␉if (length == -1) return -1;␊ |
| 309 | ␉␊ |
| 310 | ␉pos = length;␊ |
| 311 | ␉if (!strncmp(tagName, kXMLTagPList, 6))␊ |
| 312 | ␉{␊ |
| 313 | ␉␉length = 0;␊ |
| 314 | ␉}␊ |
| 315 | ␉/***** dict ****/␊ |
| 316 | ␉else if (!strcmp(tagName, kXMLTagDict))␊ |
| 317 | ␉{␊ |
| 318 | ␉␉length = ParseTagList(buffer + pos, tag, kTagTypeDict, 0);␊ |
| 319 | ␉}␊ |
| 320 | ␉else if (!strncmp(tagName, kXMLTagDict, strlen(kXMLTagDict)) && tagName[strlen(tagName)-1] == '/')␊ |
| 321 | ␉{␊ |
| 322 | ␉␉length = ParseTagList(buffer + pos, tag, kTagTypeDict, 1);␊ |
| 323 | ␉}␊ |
| 324 | ␉else if (!strncmp(tagName, kXMLTagDict " ", strlen(kXMLTagDict " ")))␊ |
| 325 | ␉{␊ |
| 326 | ␉␉length = ParseTagList(buffer + pos, tag, kTagTypeDict, 0);␊ |
| 327 | ␉}␊ |
| 328 | ␉/***** key ****/␊ |
| 329 | ␉else if (!strcmp(tagName, kXMLTagKey))␊ |
| 330 | ␉{␊ |
| 331 | ␉␉length = ParseTagKey(buffer + pos, tag);␊ |
| 332 | ␉}␊ |
| 333 | ␉␊ |
| 334 | ␉/***** string ****/␊ |
| 335 | ␉else if (!strcmp(tagName, kXMLTagString))␊ |
| 336 | ␉{␊ |
| 337 | ␉␉length = ParseTagString(buffer + pos, tag);␊ |
| 338 | ␉}␊ |
| 339 | ␉else if (!strncmp(tagName, kXMLTagString " ", strlen(kXMLTagString " ")))␊ |
| 340 | ␉{␊ |
| 341 | ␉␉// TODO: save tag if if found␊ |
| 342 | ␉␉if(!strncmp(tagName + strlen(kXMLTagString " "), kXMLStringID, strlen(kXMLStringID)))␊ |
| 343 | ␉␉{␊ |
| 344 | ␉␉␉// ID=␊ |
| 345 | ␉␉␉int id = 0;␊ |
| 346 | ␉␉␉int cnt = strlen(kXMLTagString " " kXMLStringID "\"") + 1;␊ |
| 347 | ␉␉␉while ((tagName[cnt] != '\0') && (tagName[cnt] != '"')) cnt++;␊ |
| 348 | ␉␉␉tagName[cnt] = 0;␊ |
| 349 | ␉␉␉char* val = tagName + strlen(kXMLTagString " " kXMLStringID "\"");␊ |
| 350 | ␉␉␉while(*val)␊ |
| 351 | ␉␉␉{␊ |
| 352 | ␉␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊ |
| 353 | ␉␉␉␉{␊ |
| 354 | ␉␉␉␉␉id = (id * 10) + (*val++ - '0');␊ |
| 355 | ␉␉␉␉}␊ |
| 356 | ␉␉␉␉else␊ |
| 357 | ␉␉␉␉{␊ |
| 358 | ␉␉␉␉␉printf("ParseStringID error (0x%x)\n", *val);␊ |
| 359 | ␉␉␉␉␉getc();␊ |
| 360 | ␉␉␉␉␉return -1;␊ |
| 361 | ␉␉␉␉}␊ |
| 362 | ␉␉␉}␊ |
| 363 | ␉␉␉length = ParseTagString(buffer + pos, tag);␊ |
| 364 | ␉␉␉␊ |
| 365 | ␉␉␉SaveRefString(buffer + pos, id);␊ |
| 366 | ␉␉}␊ |
| 367 | ␉␉else if(!strncmp(tagName + strlen(kXMLTagString " "), kXMLStringIDRef, strlen(kXMLStringIDRef)))␊ |
| 368 | ␉␉{␊ |
| 369 | ␉␉␉// IDREF=␊ |
| 370 | ␉␉␉int id = 0;␊ |
| 371 | ␉␉␉int cnt = strlen(kXMLTagString " " kXMLStringIDRef "\"") + 1;␊ |
| 372 | ␉␉␉while ((tagName[cnt] != '\0') && (tagName[cnt] != '"')) cnt++;␊ |
| 373 | ␉␉␉tagName[cnt] = 0;␊ |
| 374 | ␉␉␉char* val = tagName + strlen(kXMLTagString " " kXMLStringIDRef "\"");␊ |
| 375 | ␉␉␉while(*val)␊ |
| 376 | ␉␉␉{␊ |
| 377 | ␉␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊ |
| 378 | ␉␉␉␉{␊ |
| 379 | ␉␉␉␉␉id = (id * 10) + (*val++ - '0');␊ |
| 380 | ␉␉␉␉}␊ |
| 381 | ␉␉␉␉else␊ |
| 382 | ␉␉␉␉{␊ |
| 383 | ␉␉␉␉␉printf("ParseStringIDREF error (0x%x)\n", *val);␊ |
| 384 | ␉␉␉␉␉getc();␊ |
| 385 | ␉␉␉␉␉return -1;␊ |
| 386 | ␉␉␉␉}␊ |
| 387 | ␉␉␉}␊ |
| 388 | ␉␉␉char* str = GetRefString(id);␊ |
| 389 | ␊ |
| 390 | ␉␉␉TagPtr tmpTag = NewTag();␊ |
| 391 | ␉␉␉tmpTag->type = kTagTypeString;␊ |
| 392 | ␉␉␉tmpTag->string = str;␊ |
| 393 | ␉␉␉tmpTag->tag = 0;␊ |
| 394 | ␉␉␉tmpTag->tagNext = 0;␊ |
| 395 | ␉␉␉tmpTag->offset = buffer_start ? buffer - buffer_start + pos : 0;␊ |
| 396 | ␉␉␉*tag = tmpTag;␊ |
| 397 | ␉␉␉␊ |
| 398 | ␉␉␉length = 0;␊ |
| 399 | ␉␉␉//printf("Located IDREF, id = %d, string = %s\n", id, str);␊ |
| 400 | ␉␉}␊ |
| 401 | ␉}␊ |
| 402 | ␉␊ |
| 403 | ␉/***** integer ****/␊ |
| 404 | ␉else if (!strcmp(tagName, kXMLTagInteger))␊ |
| 405 | ␉{␊ |
| 406 | ␉␉length = ParseTagInteger(buffer + pos, tag);␊ |
| 407 | ␉}␊ |
| 408 | ␉else if (!strncmp(tagName, kXMLTagInteger " ", strlen(kXMLTagInteger " ")))␊ |
| 409 | ␉{␊ |
| 410 | ␉␉if(!strncmp(tagName + strlen(kXMLTagInteger " "), kXMLStringID, strlen(kXMLStringID)))␊ |
| 411 | ␉␉{␊ |
| 412 | ␉␉␉// ID=␊ |
| 413 | ␉␉␉int id = 0;␊ |
| 414 | ␉␉␉int cnt = strlen(kXMLTagInteger " " kXMLStringID "\"") + 1;␊ |
| 415 | ␉␉␉while ((tagName[cnt] != '\0') && (tagName[cnt] != '"')) cnt++;␊ |
| 416 | ␉␉␉tagName[cnt] = 0;␊ |
| 417 | ␉␉␉char* val = tagName + strlen(kXMLTagInteger " " kXMLStringID "\"");␊ |
| 418 | ␉␉␉while(*val)␊ |
| 419 | ␉␉␉{␊ |
| 420 | ␉␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊ |
| 421 | ␉␉␉␉{␊ |
| 422 | ␉␉␉␉␉id = (id * 10) + (*val++ - '0');␊ |
| 423 | ␉␉␉␉}␊ |
| 424 | ␉␉␉␉else␊ |
| 425 | ␉␉␉␉{␊ |
| 426 | ␉␉␉␉␉printf("ParseIntegerID error (0x%x)\n", *val);␊ |
| 427 | ␉␉␉␉␉getc();␊ |
| 428 | ␉␉␉␉␉return -1;␊ |
| 429 | ␉␉␉␉}␊ |
| 430 | ␉␉␉}␊ |
| 431 | ␉␉␉length = ParseTagInteger(buffer + pos, tag);␊ |
| 432 | ␉␉␉␊ |
| 433 | ␉␉␉SaveRefString((*tag)->string, id);␊ |
| 434 | ␉␉}␊ |
| 435 | ␉␉else if(!strncmp(tagName + strlen(kXMLTagInteger " "), kXMLStringIDRef, strlen(kXMLStringIDRef)))␊ |
| 436 | ␉␉{␊ |
| 437 | ␉␉␉// IDREF=␊ |
| 438 | ␉␉␉int id = 0;␊ |
| 439 | ␉␉␉int cnt = strlen(kXMLTagInteger " " kXMLStringIDRef "\"") + 1;␊ |
| 440 | ␉␉␉while ((tagName[cnt] != '\0') && (tagName[cnt] != '"')) cnt++;␊ |
| 441 | ␉␉␉tagName[cnt] = 0;␊ |
| 442 | ␉␉␉char* val = tagName + strlen(kXMLTagInteger " " kXMLStringIDRef "\"");␊ |
| 443 | ␉␉␉while(*val)␊ |
| 444 | ␉␉␉{␊ |
| 445 | ␉␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊ |
| 446 | ␉␉␉␉{␊ |
| 447 | ␉␉␉␉␉id = (id * 10) + (*val++ - '0');␊ |
| 448 | ␉␉␉␉}␊ |
| 449 | ␉␉␉␉else␊ |
| 450 | ␉␉␉␉{␊ |
| 451 | ␉␉␉␉␉printf("ParseStringIDREF error (0x%x)\n", *val);␊ |
| 452 | ␉␉␉␉␉getc();␊ |
| 453 | ␉␉␉␉␉return -1;␊ |
| 454 | ␉␉␉␉}␊ |
| 455 | ␉␉␉}␊ |
| 456 | ␉␉␉int integer = (int)GetRefString(id);␊ |
| 457 | ␉␉␉␊ |
| 458 | ␉␉␉TagPtr tmpTag = NewTag();␊ |
| 459 | ␉␉␉tmpTag->type = kTagTypeInteger;␊ |
| 460 | ␉␉␉tmpTag->string = (char*) integer;␊ |
| 461 | ␉␉␉tmpTag->tag = 0;␊ |
| 462 | ␉␉␉tmpTag->tagNext = 0;␊ |
| 463 | ␉␉␉tmpTag->offset = buffer_start ? buffer - buffer_start + pos : 0;␊ |
| 464 | ␉␉␉␊ |
| 465 | ␉␉␉*tag = tmpTag;␊ |
| 466 | ␉␉␉␊ |
| 467 | ␉␉␉length = 0;␊ |
| 468 | ␉␉␉//printf("Located IDREF, id = %d, string = %s\n", id, str);␊ |
| 469 | ␉␉}␊ |
| 470 | ␉␉else␊ |
| 471 | ␉␉{␊ |
| 472 | ␉␉␉length = ParseTagInteger(buffer + pos, tag);␊ |
| 473 | ␉␉}␊ |
| 474 | ␉}␊ |
| 475 | ␉␊ |
| 476 | ␉/***** data ****/␊ |
| 477 | ␉else if (!strcmp(tagName, kXMLTagData))␊ |
| 478 | ␉{␊ |
| 479 | ␉␉length = ParseTagData(buffer + pos, tag);␊ |
| 480 | ␉}␊ |
| 481 | ␉else if (!strncmp(tagName, kXMLTagData " ", strlen(kXMLTagData " ")))␊ |
| 482 | ␉{␊ |
| 483 | ␉␉length = ParseTagData(buffer + pos, tag);␊ |
| 484 | ␉}␊ |
| 485 | ␉else if (!strcmp(tagName, kXMLTagDate))␊ |
| 486 | ␉{␊ |
| 487 | ␉␉length = ParseTagDate(buffer + pos, tag);␊ |
| 488 | ␉}␊ |
| 489 | ␉␊ |
| 490 | ␉/***** date ****/␊ |
| 491 | ␉else if (!strncmp(tagName, kXMLTagDate " ", strlen(kXMLTagDate " ")))␊ |
| 492 | ␉{␊ |
| 493 | ␉␉length = ParseTagDate(buffer + pos, tag);␊ |
| 494 | ␉}␊ |
| 495 | ␉␊ |
| 496 | ␉/***** false ****/␊ |
| 497 | ␉else if (!strcmp(tagName, kXMLTagFalse))␊ |
| 498 | ␉{␊ |
| 499 | ␉␉length = ParseTagBoolean(buffer + pos, tag, kTagTypeFalse);␊ |
| 500 | ␉}␊ |
| 501 | ␉/***** true ****/␊ |
| 502 | ␉else if (!strcmp(tagName, kXMLTagTrue))␊ |
| 503 | ␉{␊ |
| 504 | ␉␉length = ParseTagBoolean(buffer + pos, tag, kTagTypeTrue);␊ |
| 505 | ␉}␊ |
| 506 | ␉␊ |
| 507 | ␉/***** array ****/␊ |
| 508 | ␉else if (!strcmp(tagName, kXMLTagArray))␊ |
| 509 | ␉{␊ |
| 510 | ␉␉length = ParseTagList(buffer + pos, tag, kTagTypeArray, 0);␊ |
| 511 | ␉}␊ |
| 512 | ␉else if (!strncmp(tagName, kXMLTagArray " ", strlen(kXMLTagArray " ")))␊ |
| 513 | ␉{␊ |
| 514 | ␉␉length = ParseTagList(buffer + pos, tag, kTagTypeArray, 0);␊ |
| 515 | ␉}␊ |
| 516 | ␉else if (!strcmp(tagName, kXMLTagArray "/"))␊ |
| 517 | ␉{␊ |
| 518 | ␉␉length = ParseTagList(buffer + pos, tag, kTagTypeArray, 1);␊ |
| 519 | ␉}␊ |
| 520 | ␉␊ |
| 521 | ␉/***** unknown ****/␊ |
| 522 | ␉else␊ |
| 523 | ␉{␊ |
| 524 | ␉␉*tag = 0;␊ |
| 525 | ␉␉length = 0;␊ |
| 526 | ␉}␊ |
| 527 | ␉␊ |
| 528 | ␉if (length == -1) return -1;␊ |
| 529 | ␉␊ |
| 530 | ␉return pos + length;␊ |
| 531 | }␊ |
| 532 | ␊ |
| 533 | //==========================================================================␊ |
| 534 | // ParseTagList␊ |
| 535 | ␊ |
| 536 | static long␊ |
| 537 | ParseTagList( char * buffer, TagPtr * tag, long type, long empty )␊ |
| 538 | {␊ |
| 539 | ␉long length, pos;␊ |
| 540 | ␉TagPtr tagList, tmpTag;␊ |
| 541 | ␊ |
| 542 | tagList = 0;␊ |
| 543 | pos = 0;␊ |
| 544 | ␊ |
| 545 | if (!empty)␊ |
| 546 | {␊ |
| 547 | while (1)␊ |
| 548 | {␊ |
| 549 | length = XMLParseNextTag(buffer + pos, &tmpTag);␊ |
| 550 | if (length == -1) break;␊ |
| 551 | ␊ |
| 552 | pos += length;␊ |
| 553 | ␊ |
| 554 | if (tmpTag == 0) break;␊ |
| 555 | tmpTag->tagNext = tagList;␊ |
| 556 | tagList = tmpTag;␊ |
| 557 | }␊ |
| 558 | ␊ |
| 559 | if (length == -1)␊ |
| 560 | {␊ |
| 561 | XMLFreeTag(tagList);␊ |
| 562 | return -1;␊ |
| 563 | }␊ |
| 564 | }␊ |
| 565 | ␊ |
| 566 | tmpTag = NewTag();␊ |
| 567 | if (tmpTag == 0)␊ |
| 568 | {␊ |
| 569 | XMLFreeTag(tagList);␊ |
| 570 | return -1;␊ |
| 571 | }␊ |
| 572 | ␊ |
| 573 | tmpTag->type = type;␊ |
| 574 | tmpTag->string = 0;␊ |
| 575 | ␉tmpTag->offset = buffer_start ? buffer - buffer_start : 0;␊ |
| 576 | tmpTag->tag = tagList;␊ |
| 577 | tmpTag->tagNext = 0;␊ |
| 578 | ␊ |
| 579 | *tag = tmpTag;␊ |
| 580 | ␊ |
| 581 | return pos;␊ |
| 582 | }␊ |
| 583 | ␊ |
| 584 | //==========================================================================␊ |
| 585 | // ParseTagKey␊ |
| 586 | ␊ |
| 587 | static long␊ |
| 588 | ParseTagKey( char * buffer, TagPtr * tag )␊ |
| 589 | {␊ |
| 590 | long length, length2;␊ |
| 591 | char *string;␊ |
| 592 | TagPtr tmpTag, subTag;␊ |
| 593 | ␊ |
| 594 | length = FixDataMatchingTag(buffer, kXMLTagKey);␊ |
| 595 | if (length == -1) return -1;␊ |
| 596 | ␊ |
| 597 | length2 = XMLParseNextTag(buffer + length, &subTag);␊ |
| 598 | if (length2 == -1) return -1;␊ |
| 599 | ␊ |
| 600 | tmpTag = NewTag();␊ |
| 601 | if (tmpTag == 0)␊ |
| 602 | {␊ |
| 603 | XMLFreeTag(subTag);␊ |
| 604 | return -1;␊ |
| 605 | }␊ |
| 606 | ␊ |
| 607 | string = NewSymbol(buffer);␊ |
| 608 | if (string == 0)␊ |
| 609 | {␊ |
| 610 | XMLFreeTag(subTag);␊ |
| 611 | XMLFreeTag(tmpTag);␊ |
| 612 | return -1;␊ |
| 613 | }␊ |
| 614 | ␊ |
| 615 | tmpTag->type = kTagTypeKey;␊ |
| 616 | tmpTag->string = string;␊ |
| 617 | tmpTag->tag = subTag;␊ |
| 618 | ␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊ |
| 619 | tmpTag->tagNext = 0;␊ |
| 620 | ␊ |
| 621 | *tag = tmpTag;␊ |
| 622 | ␊ |
| 623 | return length + length2;␊ |
| 624 | }␊ |
| 625 | ␊ |
| 626 | //==========================================================================␊ |
| 627 | // ParseTagString␊ |
| 628 | ␊ |
| 629 | static long␊ |
| 630 | ParseTagString( char * buffer, TagPtr * tag )␊ |
| 631 | {␊ |
| 632 | long length;␊ |
| 633 | char * string;␊ |
| 634 | ␊ |
| 635 | length = FixDataMatchingTag(buffer, kXMLTagString);␊ |
| 636 | if (length == -1) return -1;␊ |
| 637 | ␊ |
| 638 | ␉TagPtr tmpTag = NewTag();␊ |
| 639 | if (tmpTag == 0) return -1;␊ |
| 640 | ␊ |
| 641 | string = NewSymbol(buffer);␊ |
| 642 | if (string == 0)␊ |
| 643 | {␊ |
| 644 | XMLFreeTag(tmpTag);␊ |
| 645 | return -1;␊ |
| 646 | }␊ |
| 647 | ␊ |
| 648 | tmpTag->type = kTagTypeString;␊ |
| 649 | tmpTag->string = string;␊ |
| 650 | tmpTag->tag = 0;␊ |
| 651 | ␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊ |
| 652 | tmpTag->tagNext = 0;␊ |
| 653 | ␊ |
| 654 | *tag = tmpTag;␊ |
| 655 | return length;␊ |
| 656 | }␊ |
| 657 | ␊ |
| 658 | //==========================================================================␊ |
| 659 | // ParseTagInteger␊ |
| 660 | ␊ |
| 661 | static long␊ |
| 662 | ParseTagInteger( char * buffer, TagPtr * tag )␊ |
| 663 | {␊ |
| 664 | long length, integer;␊ |
| 665 | ␉bool negative = false;␊ |
| 666 | TagPtr tmpTag;␊ |
| 667 | ␉char* val = buffer;␊ |
| 668 | int size;␊ |
| 669 | ␉␊ |
| 670 | ␉if(buffer[0] == '<')␊ |
| 671 | ␉{␊ |
| 672 | ␉␉printf("Warning integer is non existant\n");␊ |
| 673 | ␉␉getc();␊ |
| 674 | ␉␉tmpTag = NewTag();␊ |
| 675 | ␉␉tmpTag->type = kTagTypeInteger;␊ |
| 676 | ␉␉tmpTag->string = 0;␊ |
| 677 | ␉␉tmpTag->tag = 0;␊ |
| 678 | ␉␉tmpTag->offset = 0;␊ |
| 679 | ␉␉tmpTag->tagNext = 0;␊ |
| 680 | ␉␉␊ |
| 681 | ␉␉*tag = tmpTag;␊ |
| 682 | ␉␉␊ |
| 683 | ␉␉return 0;␊ |
| 684 | ␉}␊ |
| 685 | ␉␊ |
| 686 | size = length = FixDataMatchingTag(buffer, kXMLTagInteger);␊ |
| 687 | if (length == -1) return -1;␊ |
| 688 | ␊ |
| 689 | tmpTag = NewTag();␊ |
| 690 | if (tmpTag == 0) return -1;␊ |
| 691 | ␊ |
| 692 | integer = 0;␊ |
| 693 | ␊ |
| 694 | ␉if(size > 1 && (val[1] == 'x' || val[1] == 'X'))␉// Hex value␊ |
| 695 | ␉{␊ |
| 696 | ␉␉val += 2;␊ |
| 697 | ␉␉while(*val)␊ |
| 698 | ␉␉{␊ |
| 699 | ␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊ |
| 700 | ␉␉␉{␊ |
| 701 | ␉␉␉␉integer = (integer * 16) + (*val++ - '0');␊ |
| 702 | ␉␉␉}␊ |
| 703 | ␉␉␉else if ((*val >= 'a' && *val <= 'f'))␉// a - f␊ |
| 704 | ␉␉␉{␊ |
| 705 | ␉␉␉␉integer = (integer * 16) + (*val++ - 'a' + 10);␊ |
| 706 | ␉␉␉}␊ |
| 707 | ␉␉␉else if ((*val >= 'A' && *val <= 'F'))␉// A - F␊ |
| 708 | ␉␉␉{␊ |
| 709 | ␉␉␉␉integer = (integer * 16) + (*val++ - 'a' + 10);␊ |
| 710 | ␉␉␉}␊ |
| 711 | ␉␉␉else␊ |
| 712 | ␉␉␉{␊ |
| 713 | ␉␉␉␉printf("ParseTagInteger hex error (0x%x) in buffer %s\n", *val, buffer);␊ |
| 714 | ␉␉␉␉getc();␊ |
| 715 | ␉␉␉␉return -1;␊ |
| 716 | ␉␉␉}␊ |
| 717 | ␉␉}␊ |
| 718 | ␉}␊ |
| 719 | ␉else if ( size )␉// Decimal value␊ |
| 720 | ␉{␊ |
| 721 | ␉␉if (*val == '-')␊ |
| 722 | ␉␉{␊ |
| 723 | ␉␉␉negative = true;␊ |
| 724 | ␉␉␉val++;␊ |
| 725 | ␉␉␉size--;␊ |
| 726 | ␉␉}␊ |
| 727 | ␉␉␊ |
| 728 | ␉␉for (integer = 0; size > 0; size--)␊ |
| 729 | ␉␉{␊ |
| 730 | ␉␉␉if(*val) // UGLY HACK, fix me.␊ |
| 731 | ␉␉␉{␊ |
| 732 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
| 733 | ␉␉␉␉{␊ |
| 734 | ␉␉␉␉␉printf("ParseTagInteger decimal error (0x%x) in buffer %s\n", *val, buffer);␊ |
| 735 | ␉␉␉␉␉getc();␊ |
| 736 | ␉␉␉␉␉return -1;␊ |
| 737 | ␉␉␉␉}␊ |
| 738 | ␉␉␉␉␊ |
| 739 | ␉␉␉␉integer = (integer * 10) + (*val++ - '0');␊ |
| 740 | ␉␉␉}␊ |
| 741 | ␉␉}␊ |
| 742 | ␉␉␊ |
| 743 | ␉␉if (negative)␊ |
| 744 | ␉␉␉integer = -integer;␊ |
| 745 | ␉}␊ |
| 746 | ␉␉␊ |
| 747 | tmpTag->type = kTagTypeInteger;␊ |
| 748 | ␉tmpTag->string = (char *)integer;␊ |
| 749 | ␉tmpTag->tag = 0;␊ |
| 750 | ␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊ |
| 751 | tmpTag->tagNext = 0;␊ |
| 752 | ␊ |
| 753 | *tag = tmpTag;␊ |
| 754 | ␊ |
| 755 | return length;␊ |
| 756 | }␊ |
| 757 | ␊ |
| 758 | //==========================================================================␊ |
| 759 | // ParseTagData␊ |
| 760 | ␊ |
| 761 | static long␊ |
| 762 | ParseTagData( char * buffer, TagPtr * tag )␊ |
| 763 | {␊ |
| 764 | long length;␊ |
| 765 | TagPtr tmpTag;␊ |
| 766 | ␊ |
| 767 | length = FixDataMatchingTag(buffer, kXMLTagData);␊ |
| 768 | if (length == -1) return -1;␊ |
| 769 | ␊ |
| 770 | tmpTag = NewTag();␊ |
| 771 | if (tmpTag == 0) return -1;␊ |
| 772 | ␊ |
| 773 | ␉//printf("ParseTagData unimplimented\n");␊ |
| 774 | ␉//printf("Data: %s\n", buffer);␊ |
| 775 | ␉//␉getc();␊ |
| 776 | ␉␊ |
| 777 | ␉// TODO: base64 decode␊ |
| 778 | ␉␊ |
| 779 | ␉char* string = NewSymbol(buffer);␊ |
| 780 | tmpTag->type = kTagTypeData;␊ |
| 781 | tmpTag->string = string;␊ |
| 782 | tmpTag->tag = 0;␊ |
| 783 | ␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊ |
| 784 | tmpTag->tagNext = 0;␊ |
| 785 | ␊ |
| 786 | *tag = tmpTag;␊ |
| 787 | ␊ |
| 788 | return length;␊ |
| 789 | }␊ |
| 790 | ␊ |
| 791 | //==========================================================================␊ |
| 792 | // ParseTagDate␊ |
| 793 | ␊ |
| 794 | static long␊ |
| 795 | ParseTagDate( char * buffer, TagPtr * tag )␊ |
| 796 | {␊ |
| 797 | long length;␊ |
| 798 | TagPtr tmpTag;␊ |
| 799 | ␊ |
| 800 | length = FixDataMatchingTag(buffer, kXMLTagDate);␊ |
| 801 | if (length == -1) return -1;␊ |
| 802 | ␊ |
| 803 | tmpTag = NewTag();␊ |
| 804 | if (tmpTag == 0) return -1;␊ |
| 805 | ␊ |
| 806 | ␉printf("ParseTagDate unimplimented\n");␊ |
| 807 | ␉getc();␊ |
| 808 | ␉␊ |
| 809 | tmpTag->type = kTagTypeDate;␊ |
| 810 | tmpTag->string = 0;␊ |
| 811 | tmpTag->tag = 0;␊ |
| 812 | ␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊ |
| 813 | tmpTag->tagNext = 0;␊ |
| 814 | ␊ |
| 815 | *tag = tmpTag;␊ |
| 816 | ␊ |
| 817 | return length;␊ |
| 818 | }␊ |
| 819 | ␊ |
| 820 | //==========================================================================␊ |
| 821 | // ParseTagBoolean␊ |
| 822 | ␊ |
| 823 | static long␊ |
| 824 | ParseTagBoolean( char * buffer, TagPtr * tag, long type )␊ |
| 825 | {␊ |
| 826 | TagPtr tmpTag;␊ |
| 827 | ␊ |
| 828 | tmpTag = NewTag();␊ |
| 829 | if (tmpTag == 0) return -1;␊ |
| 830 | ␊ |
| 831 | tmpTag->type = type;␊ |
| 832 | tmpTag->string = 0;␊ |
| 833 | tmpTag->tag = 0;␊ |
| 834 | ␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊ |
| 835 | tmpTag->tagNext = 0;␊ |
| 836 | ␊ |
| 837 | *tag = tmpTag;␊ |
| 838 | ␊ |
| 839 | return 0;␊ |
| 840 | }␊ |
| 841 | ␊ |
| 842 | //==========================================================================␊ |
| 843 | // GetNextTag␊ |
| 844 | ␊ |
| 845 | static long␊ |
| 846 | GetNextTag( char * buffer, char ** tag, long * start )␊ |
| 847 | {␊ |
| 848 | long cnt, cnt2;␊ |
| 849 | ␊ |
| 850 | if (tag == 0) return -1;␊ |
| 851 | ␊ |
| 852 | // Find the start of the tag.␊ |
| 853 | cnt = 0;␊ |
| 854 | while ((buffer[cnt] != '\0') && (buffer[cnt] != '<')) cnt++;␊ |
| 855 | if (buffer[cnt] == '\0') return -1;␊ |
| 856 | ␊ |
| 857 | // Find the end of the tag.␊ |
| 858 | cnt2 = cnt + 1;␊ |
| 859 | while ((buffer[cnt2] != '\0') && (buffer[cnt2] != '>')) cnt2++;␊ |
| 860 | if (buffer[cnt2] == '\0') return -1;␊ |
| 861 | ␊ |
| 862 | // Fix the tag data.␊ |
| 863 | *tag = buffer + cnt + 1;␊ |
| 864 | buffer[cnt2] = '\0';␊ |
| 865 | if (start) *start = cnt;␊ |
| 866 | ␊ |
| 867 | return cnt2 + 1;␊ |
| 868 | }␊ |
| 869 | ␊ |
| 870 | //==========================================================================␊ |
| 871 | // FixDataMatchingTag␊ |
| 872 | // Modifies 'buffer' to add a '\0' at the end of the tag matching 'tag'.␊ |
| 873 | // Returns the length of the data found, counting the end tag,␊ |
| 874 | // or -1 if the end tag was not found.␊ |
| 875 | ␊ |
| 876 | static long␊ |
| 877 | FixDataMatchingTag( char * buffer, char * tag )␊ |
| 878 | {␊ |
| 879 | long length, start, stop;␊ |
| 880 | char * endTag;␊ |
| 881 | ␊ |
| 882 | start = 0;␊ |
| 883 | while (1)␊ |
| 884 | {␊ |
| 885 | length = GetNextTag(buffer + start, &endTag, &stop);␊ |
| 886 | if (length == -1) return -1;␊ |
| 887 | ␊ |
| 888 | if ((*endTag == '/') && !strcmp(endTag + 1, tag)) break;␊ |
| 889 | start += length;␊ |
| 890 | }␊ |
| 891 | ␊ |
| 892 | buffer[start + stop] = '\0';␊ |
| 893 | ␊ |
| 894 | return start + length;␊ |
| 895 | }␊ |
| 896 | ␊ |
| 897 | //==========================================================================␊ |
| 898 | // NewTag␊ |
| 899 | ␊ |
| 900 | #define kTagsPerBlock (0x1000)␊ |
| 901 | ␊ |
| 902 | static TagPtr gTagsFree;␊ |
| 903 | ␊ |
| 904 | static TagPtr␊ |
| 905 | NewTag( void )␊ |
| 906 | {␊ |
| 907 | ␉long cnt;␊ |
| 908 | ␉TagPtr tag;␊ |
| 909 | ␊ |
| 910 | if (gTagsFree == 0)␊ |
| 911 | {␊ |
| 912 | #if USEMALLOC␊ |
| 913 | tag = (TagPtr)malloc(kTagsPerBlock * sizeof(Tag));␊ |
| 914 | #else␊ |
| 915 | tag = (TagPtr)AllocateBootXMemory(kTagsPerBlock * sizeof(Tag));␊ |
| 916 | #endif␊ |
| 917 | if (tag == 0) return 0;␊ |
| 918 | ␊ |
| 919 | // Initalize the new tags.␊ |
| 920 | for (cnt = 0; cnt < kTagsPerBlock; cnt++)␊ |
| 921 | {␊ |
| 922 | tag[cnt].type = kTagTypeNone;␊ |
| 923 | tag[cnt].string = 0;␊ |
| 924 | tag[cnt].tag = 0;␊ |
| 925 | tag[cnt].tagNext = tag + cnt + 1;␊ |
| 926 | }␊ |
| 927 | tag[kTagsPerBlock - 1].tagNext = 0;␊ |
| 928 | ␊ |
| 929 | gTagsFree = tag;␊ |
| 930 | }␊ |
| 931 | ␊ |
| 932 | tag = gTagsFree;␊ |
| 933 | gTagsFree = tag->tagNext;␊ |
| 934 | ␊ |
| 935 | return tag;␊ |
| 936 | }␊ |
| 937 | ␊ |
| 938 | //==========================================================================␊ |
| 939 | // XMLFreeTag␊ |
| 940 | ␊ |
| 941 | void␊ |
| 942 | XMLFreeTag( TagPtr tag )␊ |
| 943 | {␊ |
| 944 | #if DOFREE␊ |
| 945 | if (tag == 0) return;␊ |
| 946 | ␊ |
| 947 | if (tag->string) FreeSymbol(tag->string);␊ |
| 948 | ␊ |
| 949 | XMLFreeTag(tag->tag);␊ |
| 950 | XMLFreeTag(tag->tagNext);␊ |
| 951 | ␊ |
| 952 | // Clear and free the tag.␊ |
| 953 | tag->type = kTagTypeNone;␊ |
| 954 | tag->string = 0;␊ |
| 955 | tag->tag = 0;␊ |
| 956 | ␉tag->offset = 0;␊ |
| 957 | tag->tagNext = gTagsFree;␊ |
| 958 | gTagsFree = tag;␊ |
| 959 | #else␊ |
| 960 | return;␊ |
| 961 | #endif␊ |
| 962 | }␊ |
| 963 | ␊ |
| 964 | //==========================================================================␊ |
| 965 | // Symbol object.␊ |
| 966 | ␊ |
| 967 | struct Symbol␊ |
| 968 | {␊ |
| 969 | long refCount;␊ |
| 970 | struct Symbol *next;␊ |
| 971 | char string[];␊ |
| 972 | };␊ |
| 973 | typedef struct Symbol Symbol, *SymbolPtr;␊ |
| 974 | ␊ |
| 975 | static SymbolPtr FindSymbol(char * string, SymbolPtr * prevSymbol);␊ |
| 976 | ␊ |
| 977 | static SymbolPtr gSymbolsHead;␊ |
| 978 | ␊ |
| 979 | //==========================================================================␊ |
| 980 | // NewSymbol␊ |
| 981 | ␊ |
| 982 | static char *␊ |
| 983 | NewSymbol( char * string )␊ |
| 984 | {␊ |
| 985 | static SymbolPtr lastGuy = 0;␊ |
| 986 | ␉SymbolPtr symbol;␊ |
| 987 | ␊ |
| 988 | // Look for string in the list of symbols.␊ |
| 989 | symbol = FindSymbol(string, 0);␊ |
| 990 | ␊ |
| 991 | // Add the new symbol.␊ |
| 992 | if (symbol == 0)␊ |
| 993 | {␊ |
| 994 | #if USEMALLOC␊ |
| 995 | symbol = (SymbolPtr)malloc(sizeof(Symbol) + 1 + strlen(string));␊ |
| 996 | #else␊ |
| 997 | symbol = (SymbolPtr)AllocateBootXMemory(sizeof(Symbol) + 1 + strlen(string));␊ |
| 998 | #endif␊ |
| 999 | if (symbol == 0) //return 0;␊ |
| 1000 | stop("NULL symbol!");␊ |
| 1001 | ␊ |
| 1002 | // Set the symbol's data.␊ |
| 1003 | symbol->refCount = 0;␊ |
| 1004 | strcpy(symbol->string, string);␊ |
| 1005 | ␊ |
| 1006 | // Add the symbol to the list.␊ |
| 1007 | symbol->next = gSymbolsHead;␊ |
| 1008 | gSymbolsHead = symbol;␊ |
| 1009 | }␊ |
| 1010 | ␊ |
| 1011 | // Update the refCount and return the string.␊ |
| 1012 | symbol->refCount++;␊ |
| 1013 | ␊ |
| 1014 | if (lastGuy && lastGuy->next != 0) stop("last guy not last!");␊ |
| 1015 | return symbol->string;␊ |
| 1016 | }␊ |
| 1017 | ␊ |
| 1018 | //==========================================================================␊ |
| 1019 | // FreeSymbol␊ |
| 1020 | ␊ |
| 1021 | #if DOFREE␊ |
| 1022 | static void␊ |
| 1023 | FreeSymbol( char * string )␊ |
| 1024 | {␊ |
| 1025 | SymbolPtr symbol, prev;␊ |
| 1026 | ␉prev = 0;␊ |
| 1027 | ␊ |
| 1028 | // Look for string in the list of symbols.␊ |
| 1029 | symbol = FindSymbol(string, &prev);␊ |
| 1030 | if (symbol == 0) return;␊ |
| 1031 | ␊ |
| 1032 | // Update the refCount.␊ |
| 1033 | symbol->refCount--;␊ |
| 1034 | ␊ |
| 1035 | if (symbol->refCount != 0) return;␊ |
| 1036 | ␊ |
| 1037 | // Remove the symbol from the list.␊ |
| 1038 | if (prev != 0) prev->next = symbol->next;␊ |
| 1039 | else gSymbolsHead = symbol->next;␊ |
| 1040 | ␊ |
| 1041 | // Free the symbol's memory.␊ |
| 1042 | free(symbol);␊ |
| 1043 | }␊ |
| 1044 | #endif␊ |
| 1045 | ␊ |
| 1046 | //==========================================================================␊ |
| 1047 | // FindSymbol␊ |
| 1048 | ␊ |
| 1049 | static SymbolPtr␊ |
| 1050 | FindSymbol( char * string, SymbolPtr * prevSymbol )␊ |
| 1051 | {␊ |
| 1052 | SymbolPtr symbol, prev;␊ |
| 1053 | ␊ |
| 1054 | symbol = gSymbolsHead;␊ |
| 1055 | prev = 0;␊ |
| 1056 | ␊ |
| 1057 | while (symbol != 0) {␊ |
| 1058 | if (!strcmp(symbol->string, string)) break;␊ |
| 1059 | ␊ |
| 1060 | prev = symbol;␊ |
| 1061 | symbol = symbol->next;␊ |
| 1062 | }␊ |
| 1063 | ␊ |
| 1064 | if ((symbol != 0) && (prevSymbol != 0)) *prevSymbol = prev;␊ |
| 1065 | ␊ |
| 1066 | return symbol;␊ |
| 1067 | }␊ |
| 1068 | ␊ |
| 1069 | bool XMLIsType(TagPtr dict, enum xmltype type)␊ |
| 1070 | {␊ |
| 1071 | ␉if(!dict) return (type == kTagTypeNone);␊ |
| 1072 | ␉return (dict->type == type);␊ |
| 1073 | }␊ |
| 1074 | ␊ |
| 1075 | /*** Cast functions ***/␊ |
| 1076 | TagPtr XMLCastArray(TagPtr dict)␊ |
| 1077 | {␊ |
| 1078 | ␉if(!dict) return NULL;␊ |
| 1079 | ␉if(dict->type == kTagTypeArray) return dict;␊ |
| 1080 | ␉else return NULL;␊ |
| 1081 | }␊ |
| 1082 | ␊ |
| 1083 | TagPtr XMLCastDict(TagPtr dict)␊ |
| 1084 | {␊ |
| 1085 | ␉if(!dict) return NULL;␊ |
| 1086 | ␉if(dict->type == kTagTypeDict) return dict;␊ |
| 1087 | ␉else return NULL;␊ |
| 1088 | }␊ |
| 1089 | ␊ |
| 1090 | char* XMLCastString(TagPtr dict)␊ |
| 1091 | {␊ |
| 1092 | ␉if(!dict) return NULL;␊ |
| 1093 | ␊ |
| 1094 | ␉if((dict->type == kTagTypeString) ||␊ |
| 1095 | ␉ (dict->type == kTagTypeKey)) return dict->string;␊ |
| 1096 | ␉␊ |
| 1097 | ␉return NULL;␊ |
| 1098 | }␊ |
| 1099 | ␊ |
| 1100 | long XMLCastStringOffset(TagPtr dict)␊ |
| 1101 | {␊ |
| 1102 | ␉if(dict &&␊ |
| 1103 | ␉ ((dict->type == kTagTypeString) ||␊ |
| 1104 | ␉ (dict->type == kTagTypeKey)))␊ |
| 1105 | ␉{␊ |
| 1106 | ␉␉return dict->offset;␊ |
| 1107 | ␉}␊ |
| 1108 | ␉else ␊ |
| 1109 | ␉{␊ |
| 1110 | ␉␉return -1;␊ |
| 1111 | ␉}␊ |
| 1112 | }␊ |
| 1113 | ␊ |
| 1114 | bool XMLCastBoolean(TagPtr dict)␊ |
| 1115 | {␊ |
| 1116 | ␉if(!dict) return false;␊ |
| 1117 | ␉if(dict->type == kTagTypeTrue) return true;␊ |
| 1118 | ␉return false;␊ |
| 1119 | }␊ |
| 1120 | ␊ |
| 1121 | int XMLCastInteger(TagPtr dict)␊ |
| 1122 | {␊ |
| 1123 | ␉if(!dict)␊ |
| 1124 | ␉{␊ |
| 1125 | ␉␉printf("XMLCastInteger: null dict\n");␊ |
| 1126 | ␉␉return 0;␊ |
| 1127 | ␉}␊ |
| 1128 | ␉if(dict->type == kTagTypeInteger) return (int)(dict->string);␊ |
| 1129 | ␉return 0;␊ |
| 1130 | }␊ |
| 1131 | |
