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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␊
30string_ref *ref_strings = NULL;␊
31␊
32/// TODO: remove below␊
33static char* buffer_start = NULL;␊
34// TODO: redo the next two functions␊
35void 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␊
58char* 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␊
70struct Module {␊
71 struct Module *nextModule;␊
72 long willLoad;␊
73 TagPtr dict;␊
74 char *plistAddr;␊
75 long plistLength;␊
76 char *driverPath;␊
77};␊
78typedef struct Module Module, *ModulePtr;␊
79␊
80struct DriverInfo {␊
81 char *plistAddr;␊
82 long plistLength;␊
83 void *moduleAddr;␊
84 long moduleLength;␊
85};␊
86typedef struct DriverInfo DriverInfo, *DriverInfoPtr;␊
87␊
88#define kDriverPackageSignature1 'MKXT'␊
89#define kDriverPackageSignature2 'MOSX'␊
90␊
91struct 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};␊
101typedef struct DriversPackage DriversPackage;␊
102␊
103enum {␊
104 kCFBundleType2,␊
105 kCFBundleType3␊
106};␊
107␊
108␊
109#define DOFREE 1␊
110␊
111static long ParseTagList(char *buffer, TagPtr *tag, long type, long empty);␊
112static long ParseTagKey(char *buffer, TagPtr *tag);␊
113static long ParseTagString(char *buffer, TagPtr *tag);␊
114static long ParseTagInteger(char *buffer, TagPtr *tag);␊
115static long ParseTagData(char *buffer, TagPtr *tag);␊
116static long ParseTagDate(char *buffer, TagPtr *tag);␊
117static long GetNextTag(char *buffer, char **tag, long *start);␊
118static long FixDataMatchingTag(char *buffer, char *tag);␊
119static TagPtr NewTag(void);␊
120static char *NewSymbol(char *string);␊
121#if DOFREE␊
122static void FreeSymbol(char *string);␊
123#endif␊
124␊
125␊
126//==========================================================================␊
127// XMLGetProperty␊
128␊
129TagPtr␊
130XMLGetProperty( TagPtr dict, const char * key )␊
131{␊
132 TagPtr tagList, tag;␊
133␊
134 if (dict->type != kTagTypeDict) return 0;␊
135 ␊
136 tag = 0;␊
137 tagList = dict->tag;␊
138 while (tagList)␊
139 {␊
140 tag = tagList;␊
141 tagList = tag->tagNext;␊
142 ␊
143 if ((tag->type != kTagTypeKey) || (tag->string == 0)) continue;␊
144 ␊
145 if (!strcmp(tag->string, key)) return tag->tag;␊
146 }␊
147 ␊
148 return 0;␊
149}␊
150␊
151//==========================================================================␊
152// XMLGetProperty␊
153␊
154TagPtr␊
155XMLGetKey( TagPtr dict, int id )␊
156{␊
157 TagPtr tagList, tag;␊
158 ␊
159 if (dict->type != kTagTypeDict) return 0;␊
160 ␊
161 tag = 0;␊
162 int element = 0;␊
163 tagList = dict->tag;␊
164 while (tagList && element != id)␊
165 {␊
166 tag = tagList;␊
167 tagList = tag->tagNext;␊
168 ␊
169 if ((tag->type != kTagTypeKey) || (tag->string == 0)) continue;␊
170 element++;␊
171 if(id == element) return tag;␊
172 }␊
173 return 0;␊
174}␊
175␊
176TagPtr XMLGetValueForKey(TagPtr key)␊
177{␊
178 if (!key ||␊
179 key->type != kTagTypeKey) return 0;␊
180 ␊
181 return key->tag;␊
182}␊
183␊
184␊
185// XMLGetTag(int index)␊
186␊
187// XMLTagCount( TagPtr dict )␊
188int XMLTagCount( TagPtr dict )␊
189{␊
190␉int count = 0;␊
191␉TagPtr tagList, tag;␊
192␊
193 if (dict->type != kTagTypeDict && dict->type != kTagTypeArray) return 0;␊
194␉tag = 0;␊
195 tagList = dict->tag;␊
196 while (tagList)␊
197 {␊
198␉␉tag = tagList;␊
199 tagList = tag->tagNext;␊
200␉␉␊
201␉␉if (((tag->type != kTagTypeKey) && ((tag->string == 0) || (tag->string[0] == 0)))␊
202␉␉␉&& (dict->type != kTagTypeArray)␉// If we are an array, any element is valid␊
203␉␉␉) continue;␊
204␉␉␊
205␉␉//if(tag->type == kTagTypeKey) printf("Located key %s\n", tag->string);␊
206␊
207␉␉count++;␊
208 }␊
209␉␊
210␉return count;␊
211}␊
212␊
213TagPtr XMLGetElement( TagPtr dict, int id )␊
214{␊
215␉if(dict->type != kTagTypeArray) return 0;␊
216␉␊
217␉int element = 0;␊
218␉TagPtr tmp = dict->tag;␊
219␊
220␉while(element < id)␊
221␉{␊
222␉␉element++;␊
223␉␉tmp = tmp->tagNext;␊
224␉}␊
225␉␊
226␉return tmp;␊
227}␊
228/* Function for basic XML character entities parsing */␊
229␊
230char*␊
231XMLDecode(const char* src)␊
232{␊
233 typedef const struct XMLEntity {␊
234 const char* name;␊
235 size_t nameLen;␊
236 char value;␊
237 } XMLEntity;␊
238 ␊
239 /* This is ugly, but better than specifying the lengths by hand */␊
240 #define _e(str,c) {str,sizeof(str)-1,c}␊
241 const XMLEntity ents[] = {␊
242 _e("quot;",'"'), _e("apos;",'\''),␊
243 _e("lt;", '<'), _e("gt;", '>'),␊
244 _e("amp;", '&')␊
245 };␊
246 ␊
247 size_t len;␊
248 const char *s;␊
249 char *out, *o;␊
250 ␊
251 if ( !src || !(len = strlen(src)) || !(out = malloc(len+1)) )␊
252 return 0;␊
253 ␊
254 o = out;␊
255 s = src;␊
256 while (s <= src+len) /* Make sure the terminator is also copied */␊
257 {␊
258 if ( *s == '&' )␊
259 {␊
260 bool entFound = false;␊
261 int i;␊
262 ␊
263 s++;␊
264 for ( i = 0; i < sizeof(ents); i++)␊
265 {␊
266 if ( strncmp(s, ents[i].name, ents[i].nameLen) == 0 )␊
267 {␊
268 entFound = true;␊
269 break;␊
270 }␊
271 }␊
272 if ( entFound )␊
273 {␊
274 *o++ = ents[i].value;␊
275 s += ents[i].nameLen;␊
276 continue;␊
277 }␊
278 }␊
279 ␊
280 *o++ = *s++;␊
281 }␊
282␊
283 return out;␊
284} ␊
285␊
286//#if UNUSED␊
287//==========================================================================␊
288// XMLParseFile␊
289// Expects to see one dictionary in the XML file, the final pos will be returned␊
290// If the pos is not equal to the strlen, then there are multiple dicts␊
291// Puts the first dictionary it finds in the␊
292// tag pointer and returns the end of the dic, or returns -1 if not found.␊
293//␊
294long␊
295XMLParseFile( char * buffer, TagPtr * dict )␊
296{␊
297 long length, pos;␊
298 TagPtr tag;␊
299 pos = 0;␊
300␉char *configBuffer;␊
301␉␊
302 int strlength = strlen(buffer);␊
303 configBuffer = malloc(strlength+1);␊
304 bcopy(buffer, configBuffer, strlength);␊
305 configBuffer[strlength] = 0;␊
306␊
307␉buffer_start = configBuffer;␊
308␊
309 while (1)␊
310 {␊
311 length = XMLParseNextTag(configBuffer + pos, &tag);␊
312 if (length == -1) break;␊
313 ␊
314 pos += length;␊
315 ␊
316 if (tag == 0) continue;␊
317 if (tag->type == kTagTypeDict) break;␊
318 ␊
319 XMLFreeTag(tag);␊
320 }␊
321␉free(configBuffer);␊
322␉if (length < 0) {␊
323 return -1;␊
324 }␊
325 *dict = tag;␊
326 return pos;␊
327}␊
328//#endif /* UNUSED */␊
329␊
330//==========================================================================␊
331// ParseNextTag␊
332// TODO: cleanup␊
333long␊
334XMLParseNextTag( char * buffer, TagPtr * tag )␊
335{␊
336␉long length, pos;␊
337␉char * tagName;␊
338␉␊
339␉length = GetNextTag(buffer, &tagName, 0);␊
340␉if (length == -1) return -1;␊
341␉␊
342␉pos = length;␊
343␉if (!strncmp(tagName, kXMLTagPList, 6))␊
344␉{␊
345␉␉length = 0;␊
346␉}␊
347␉/***** dict ****/␊
348␉else if (!strcmp(tagName, kXMLTagDict))␊
349␉{␊
350␉␉length = ParseTagList(buffer + pos, tag, kTagTypeDict, 0);␊
351␉}␊
352␉else if (!strncmp(tagName, kXMLTagDict, strlen(kXMLTagDict)) && tagName[strlen(tagName)-1] == '/')␊
353␉{␊
354␉␉length = ParseTagList(buffer + pos, tag, kTagTypeDict, 1);␊
355␉}␊
356␉else if (!strncmp(tagName, kXMLTagDict " ", strlen(kXMLTagDict " ")))␊
357␉{␊
358␉␉length = ParseTagList(buffer + pos, tag, kTagTypeDict, 0);␊
359␉}␊
360␉/***** key ****/␊
361␉else if (!strcmp(tagName, kXMLTagKey))␊
362␉{␊
363␉␉length = ParseTagKey(buffer + pos, tag);␊
364␉}␊
365␉␊
366␉/***** string ****/␊
367␉else if (!strcmp(tagName, kXMLTagString))␊
368␉{␊
369␉␉length = ParseTagString(buffer + pos, tag);␊
370␉}␊
371␉else if (!strncmp(tagName, kXMLTagString " ", strlen(kXMLTagString " ")))␊
372␉{␊
373␉␉// TODO: save tag if if found␊
374␉␉if(!strncmp(tagName + strlen(kXMLTagString " "), kXMLStringID, strlen(kXMLStringID)))␊
375␉␉{␊
376␉␉␉// ID=␊
377␉␉␉int id = 0;␊
378␉␉␉int cnt = strlen(kXMLTagString " " kXMLStringID "\"") + 1;␊
379␉␉␉while ((tagName[cnt] != '\0') && (tagName[cnt] != '"')) cnt++;␊
380␉␉␉tagName[cnt] = 0;␊
381␉␉␉char* val = tagName + strlen(kXMLTagString " " kXMLStringID "\"");␊
382␉␉␉while(*val)␊
383␉␉␉{␊
384␉␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊
385␉␉␉␉{␊
386␉␉␉␉␉id = (id * 10) + (*val++ - '0');␊
387␉␉␉␉}␊
388␉␉␉␉else␊
389␉␉␉␉{␊
390␉␉␉␉␉printf("ParseStringID error (0x%x)\n", *val);␊
391␉␉␉␉␉getchar();␊
392␉␉␉␉␉return -1;␊
393␉␉␉␉}␊
394␉␉␉}␊
395␉␉␉length = ParseTagString(buffer + pos, tag);␊
396␉␉␉␊
397␉␉␉SaveRefString(buffer + pos, id);␊
398␉␉}␊
399␉␉else if(!strncmp(tagName + strlen(kXMLTagString " "), kXMLStringIDRef, strlen(kXMLStringIDRef)))␊
400␉␉{␊
401␉␉␉// IDREF=␊
402␉␉␉int id = 0;␊
403␉␉␉int cnt = strlen(kXMLTagString " " kXMLStringIDRef "\"") + 1;␊
404␉␉␉while ((tagName[cnt] != '\0') && (tagName[cnt] != '"')) cnt++;␊
405␉␉␉tagName[cnt] = 0;␊
406␉␉␉char* val = tagName + strlen(kXMLTagString " " kXMLStringIDRef "\"");␊
407␉␉␉while(*val)␊
408␉␉␉{␊
409␉␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊
410␉␉␉␉{␊
411␉␉␉␉␉id = (id * 10) + (*val++ - '0');␊
412␉␉␉␉}␊
413␉␉␉␉else␊
414␉␉␉␉{␊
415␉␉␉␉␉printf("ParseStringIDREF error (0x%x)\n", *val);␊
416␉␉␉␉␉getchar();␊
417␉␉␉␉␉return -1;␊
418␉␉␉␉}␊
419␉␉␉}␊
420␉␉␉char* str = GetRefString(id);␊
421␊
422␉␉␉TagPtr tmpTag = NewTag();␊
423␉␉␉tmpTag->type = kTagTypeString;␊
424␉␉␉tmpTag->string = str;␊
425␉␉␉tmpTag->tag = 0;␊
426␉␉␉tmpTag->tagNext = 0;␊
427␉␉␉tmpTag->offset = buffer_start ? buffer - buffer_start + pos : 0;␊
428␉␉␉*tag = tmpTag;␊
429␉␉␉␊
430␉␉␉length = 0;␊
431␉␉␉//printf("Located IDREF, id = %d, string = %s\n", id, str);␊
432␉␉}␊
433␉}␊
434␉␊
435␉/***** integer ****/␊
436␉else if (!strcmp(tagName, kXMLTagInteger))␊
437␉{␊
438␉␉length = ParseTagInteger(buffer + pos, tag);␊
439␉}␊
440␉else if (!strncmp(tagName, kXMLTagInteger " ", strlen(kXMLTagInteger " ")))␊
441␉{␊
442␉␉if(!strncmp(tagName + strlen(kXMLTagInteger " "), kXMLStringID, strlen(kXMLStringID)))␊
443␉␉{␊
444␉␉␉// ID=␊
445␉␉␉int id = 0;␊
446␉␉␉int cnt = strlen(kXMLTagInteger " " kXMLStringID "\"") + 1;␊
447␉␉␉while ((tagName[cnt] != '\0') && (tagName[cnt] != '"')) cnt++;␊
448␉␉␉tagName[cnt] = 0;␊
449␉␉␉char* val = tagName + strlen(kXMLTagInteger " " kXMLStringID "\"");␊
450␉␉␉while(*val)␊
451␉␉␉{␊
452␉␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊
453␉␉␉␉{␊
454␉␉␉␉␉id = (id * 10) + (*val++ - '0');␊
455␉␉␉␉}␊
456␉␉␉␉else␊
457␉␉␉␉{␊
458␉␉␉␉␉printf("ParseIntegerID error (0x%x)\n", *val);␊
459␉␉␉␉␉getchar();␊
460␉␉␉␉␉return -1;␊
461␉␉␉␉}␊
462␉␉␉}␊
463␉␉␉length = ParseTagInteger(buffer + pos, tag);␊
464␉␉␉␊
465␉␉␉SaveRefString((*tag)->string, id);␊
466␉␉}␊
467␉␉else if(!strncmp(tagName + strlen(kXMLTagInteger " "), kXMLStringIDRef, strlen(kXMLStringIDRef)))␊
468␉␉{␊
469␉␉␉// IDREF=␊
470␉␉␉int id = 0;␊
471␉␉␉int cnt = strlen(kXMLTagInteger " " kXMLStringIDRef "\"") + 1;␊
472␉␉␉while ((tagName[cnt] != '\0') && (tagName[cnt] != '"')) cnt++;␊
473␉␉␉tagName[cnt] = 0;␊
474␉␉␉char* val = tagName + strlen(kXMLTagInteger " " kXMLStringIDRef "\"");␊
475␉␉␉while(*val)␊
476␉␉␉{␊
477␉␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊
478␉␉␉␉{␊
479␉␉␉␉␉id = (id * 10) + (*val++ - '0');␊
480␉␉␉␉}␊
481␉␉␉␉else␊
482␉␉␉␉{␊
483␉␉␉␉␉printf("ParseStringIDREF error (0x%x)\n", *val);␊
484␉␉␉␉␉getchar();␊
485␉␉␉␉␉return -1;␊
486␉␉␉␉}␊
487␉␉␉}␊
488␉␉␉int integer = (int)GetRefString(id);␊
489␉␉␉␊
490␉␉␉TagPtr tmpTag = NewTag();␊
491␉␉␉tmpTag->type = kTagTypeInteger;␊
492␉␉␉tmpTag->string = (char*) integer;␊
493␉␉␉tmpTag->tag = 0;␊
494␉␉␉tmpTag->tagNext = 0;␊
495␉␉␉tmpTag->offset = buffer_start ? buffer - buffer_start + pos : 0;␊
496␉␉␉␊
497␉␉␉*tag = tmpTag;␊
498␉␉␉␊
499␉␉␉length = 0;␊
500␉␉␉//printf("Located IDREF, id = %d, string = %s\n", id, str);␊
501␉␉}␊
502␉␉else␊
503␉␉{␊
504␉␉␉length = ParseTagInteger(buffer + pos, tag);␊
505␉␉}␊
506␉}␊
507␉␊
508␉/***** data ****/␊
509␉else if (!strcmp(tagName, kXMLTagData))␊
510␉{␊
511␉␉length = ParseTagData(buffer + pos, tag);␊
512␉}␊
513␉else if (!strncmp(tagName, kXMLTagData " ", strlen(kXMLTagData " ")))␊
514␉{␊
515␉␉length = ParseTagData(buffer + pos, tag);␊
516␉}␊
517␉else if (!strcmp(tagName, kXMLTagDate))␊
518␉{␊
519␉␉length = ParseTagDate(buffer + pos, tag);␊
520␉}␊
521␉␊
522␉/***** date ****/␊
523␉else if (!strncmp(tagName, kXMLTagDate " ", strlen(kXMLTagDate " ")))␊
524␉{␊
525␉␉length = ParseTagDate(buffer + pos, tag);␊
526␉}␊
527␉␊
528␉/***** false ****/␊
529␉else if (!strcmp(tagName, kXMLTagFalse))␊
530␉{␊
531␉␉length = ParseTagBoolean(buffer + pos, tag, kTagTypeFalse);␊
532␉}␊
533␉/***** true ****/␊
534␉else if (!strcmp(tagName, kXMLTagTrue))␊
535␉{␊
536␉␉length = ParseTagBoolean(buffer + pos, tag, kTagTypeTrue);␊
537␉}␊
538␉␊
539␉/***** array ****/␊
540␉else if (!strcmp(tagName, kXMLTagArray))␊
541␉{␊
542␉␉length = ParseTagList(buffer + pos, tag, kTagTypeArray, 0);␊
543␉}␊
544␉else if (!strncmp(tagName, kXMLTagArray " ", strlen(kXMLTagArray " ")))␊
545␉{␊
546␉␉length = ParseTagList(buffer + pos, tag, kTagTypeArray, 0);␊
547␉}␊
548␉else if (!strcmp(tagName, kXMLTagArray "/"))␊
549␉{␊
550␉␉length = ParseTagList(buffer + pos, tag, kTagTypeArray, 1);␊
551␉}␊
552␉␊
553␉/***** unknown ****/␊
554␉else␊
555␉{␊
556␉␉*tag = 0;␊
557␉␉length = 0;␊
558␉}␊
559␉␊
560␉if (length == -1) return -1;␊
561␉␊
562␉return pos + length;␊
563}␊
564␊
565//==========================================================================␊
566// ParseTagList␊
567␊
568static long␊
569ParseTagList( char * buffer, TagPtr * tag, long type, long empty )␊
570{␊
571␉long length, pos;␊
572␉TagPtr tagList, tmpTag;␊
573 ␊
574 tagList = 0;␊
575 pos = 0;␊
576 ␊
577 if (!empty)␊
578 {␊
579 while (1)␊
580 {␊
581 length = XMLParseNextTag(buffer + pos, &tmpTag);␊
582 if (length == -1) break;␊
583␊
584 pos += length;␊
585 ␊
586 if (tmpTag == 0) break;␊
587 tmpTag->tagNext = tagList;␊
588 tagList = tmpTag;␊
589 }␊
590 ␊
591 if (length == -1)␊
592 {␊
593 XMLFreeTag(tagList);␊
594 return -1;␊
595 }␊
596 }␊
597 ␊
598 tmpTag = NewTag();␊
599 if (tmpTag == 0)␊
600 {␊
601 XMLFreeTag(tagList);␊
602 return -1;␊
603 }␊
604␊
605 tmpTag->type = type;␊
606 tmpTag->string = 0;␊
607␉tmpTag->offset = buffer_start ? buffer - buffer_start : 0;␊
608 tmpTag->tag = tagList;␊
609 tmpTag->tagNext = 0;␊
610 ␊
611 *tag = tmpTag;␊
612 ␊
613 return pos;␊
614}␊
615␊
616//==========================================================================␊
617// ParseTagKey␊
618␊
619static long␊
620ParseTagKey( char * buffer, TagPtr * tag )␊
621{␊
622 long length, length2;␊
623 char *string;␊
624 TagPtr tmpTag, subTag;␊
625 ␊
626 length = FixDataMatchingTag(buffer, kXMLTagKey);␊
627 if (length == -1) return -1;␊
628 ␊
629 length2 = XMLParseNextTag(buffer + length, &subTag);␊
630 if (length2 == -1) return -1;␊
631 ␊
632 tmpTag = NewTag();␊
633 if (tmpTag == 0)␊
634 {␊
635 XMLFreeTag(subTag);␊
636 return -1;␊
637 }␊
638 ␊
639 string = NewSymbol(buffer);␊
640 if (string == 0)␊
641 {␊
642 XMLFreeTag(subTag);␊
643 XMLFreeTag(tmpTag);␊
644 return -1;␊
645 }␊
646 ␊
647 tmpTag->type = kTagTypeKey;␊
648 tmpTag->string = string;␊
649 tmpTag->tag = subTag;␊
650␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊
651 tmpTag->tagNext = 0;␊
652 ␊
653 *tag = tmpTag;␊
654 ␊
655 return length + length2;␊
656}␊
657␊
658//==========================================================================␊
659// ParseTagString␊
660␊
661static long␊
662ParseTagString( char * buffer, TagPtr * tag )␊
663{␊
664 long length;␊
665 char * string;␊
666 ␊
667 length = FixDataMatchingTag(buffer, kXMLTagString);␊
668 if (length == -1) return -1;␊
669 ␊
670␉TagPtr tmpTag = NewTag();␊
671 if (tmpTag == 0) return -1;␊
672 ␊
673 string = NewSymbol(buffer);␊
674 if (string == 0)␊
675 {␊
676 XMLFreeTag(tmpTag);␊
677 return -1;␊
678 }␊
679 ␊
680 tmpTag->type = kTagTypeString;␊
681 tmpTag->string = string;␊
682 tmpTag->tag = 0;␊
683␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊
684 tmpTag->tagNext = 0;␊
685 ␊
686 *tag = tmpTag;␊
687 return length;␊
688}␊
689␊
690//==========================================================================␊
691// ParseTagInteger␊
692␊
693static long␊
694ParseTagInteger( char * buffer, TagPtr * tag )␊
695{␊
696 long length, integer;␊
697␉bool negative = false;␊
698 TagPtr tmpTag;␊
699␉char* val = buffer;␊
700 int size;␊
701␉␊
702␉if(buffer[0] == '<')␊
703␉{␊
704␉␉printf("Warning integer is non existant\n");␊
705␉␉getchar();␊
706␉␉tmpTag = NewTag();␊
707␉␉tmpTag->type = kTagTypeInteger;␊
708␉␉tmpTag->string = 0;␊
709␉␉tmpTag->tag = 0;␊
710␉␉tmpTag->offset = 0;␊
711␉␉tmpTag->tagNext = 0;␊
712␉␉␊
713␉␉*tag = tmpTag;␊
714␉␉␊
715␉␉return 0;␊
716␉}␊
717␉␊
718 size = length = FixDataMatchingTag(buffer, kXMLTagInteger);␊
719 if (length == -1) return -1;␊
720 ␊
721 tmpTag = NewTag();␊
722 if (tmpTag == 0) return -1;␊
723 ␊
724 integer = 0;␊
725␊
726␉if(size > 1 && (val[1] == 'x' || val[1] == 'X'))␉// Hex value␊
727␉{␊
728␉␉val += 2;␊
729␉␉while(*val)␊
730␉␉{␊
731␉␉␉if ((*val >= '0' && *val <= '9'))␉// 0 - 9␊
732␉␉␉{␊
733␉␉␉␉integer = (integer * 16) + (*val++ - '0');␊
734␉␉␉}␊
735␉␉␉else if ((*val >= 'a' && *val <= 'f'))␉// a - f␊
736␉␉␉{␊
737␉␉␉␉integer = (integer * 16) + (*val++ - 'a' + 10);␊
738␉␉␉}␊
739␉␉␉else if ((*val >= 'A' && *val <= 'F'))␉// A - F␊
740␉␉␉{␊
741␉␉␉␉integer = (integer * 16) + (*val++ - 'a' + 10);␊
742␉␉␉}␊
743␉␉␉else␊
744␉␉␉{␊
745␉␉␉␉printf("ParseTagInteger hex error (0x%x) in buffer %s\n", *val, buffer);␊
746␉␉␉␉getchar();␊
747␉␉␉␉return -1;␊
748␉␉␉}␊
749␉␉}␊
750␉}␊
751␉else if ( size )␉// Decimal value␊
752␉{␊
753␉␉if (*val == '-')␊
754␉␉{␊
755␉␉␉negative = true;␊
756␉␉␉val++;␊
757␉␉␉size--;␊
758␉␉}␊
759␉␉␊
760␉␉for (integer = 0; size > 0; size--)␊
761␉␉{␊
762␉␉␉if(*val) // UGLY HACK, fix me.␊
763␉␉␉{␊
764␉␉␉␉if (*val < '0' || *val > '9')␊
765␉␉␉␉{␊
766␉␉␉␉␉printf("ParseTagInteger decimal error (0x%x) in buffer %s\n", *val, buffer);␊
767␉␉␉␉␉getchar();␊
768␉␉␉␉␉return -1;␊
769␉␉␉␉}␊
770␉␉␉␉␊
771␉␉␉␉integer = (integer * 10) + (*val++ - '0');␊
772␉␉␉}␊
773␉␉}␊
774␉␉␊
775␉␉if (negative)␊
776␉␉␉integer = -integer;␊
777␉}␊
778␉␉␊
779 tmpTag->type = kTagTypeInteger;␊
780␉tmpTag->string = (char *)integer;␊
781␉tmpTag->tag = 0;␊
782␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊
783 tmpTag->tagNext = 0;␊
784 ␊
785 *tag = tmpTag;␊
786 ␊
787 return length;␊
788}␊
789␊
790//==========================================================================␊
791// ParseTagData␊
792␊
793static long␊
794ParseTagData( char * buffer, TagPtr * tag )␊
795{␊
796 long length;␊
797 TagPtr tmpTag;␊
798␊
799 length = FixDataMatchingTag(buffer, kXMLTagData);␊
800 if (length == -1) return -1;␊
801 ␊
802 tmpTag = NewTag();␊
803 if (tmpTag == 0) return -1;␊
804 ␊
805␉//printf("ParseTagData unimplimented\n");␊
806␉//printf("Data: %s\n", buffer);␊
807␉//␉getchar();␊
808␉␊
809␉// TODO: base64 decode␊
810␉␊
811␉char* string = NewSymbol(buffer);␊
812 tmpTag->type = kTagTypeData;␊
813 tmpTag->string = string;␊
814 tmpTag->tag = 0;␊
815␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊
816 tmpTag->tagNext = 0;␊
817 ␊
818 *tag = tmpTag;␊
819 ␊
820 return length;␊
821}␊
822␊
823//==========================================================================␊
824// ParseTagDate␊
825␊
826static long␊
827ParseTagDate( char * buffer, TagPtr * tag )␊
828{␊
829 long length;␊
830 TagPtr tmpTag;␊
831 ␊
832 length = FixDataMatchingTag(buffer, kXMLTagDate);␊
833 if (length == -1) return -1;␊
834 ␊
835 tmpTag = NewTag();␊
836 if (tmpTag == 0) return -1;␊
837 ␊
838␉printf("ParseTagDate unimplimented\n");␊
839␉getchar();␊
840␉␊
841 tmpTag->type = kTagTypeDate;␊
842 tmpTag->string = 0;␊
843 tmpTag->tag = 0;␊
844␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊
845 tmpTag->tagNext = 0;␊
846 ␊
847 *tag = tmpTag;␊
848 ␊
849 return length;␊
850}␊
851␊
852//==========================================================================␊
853// ParseTagBoolean␊
854␊
855long␊
856ParseTagBoolean( char * buffer, TagPtr * tag, long type )␊
857{␊
858 TagPtr tmpTag;␊
859 ␊
860 tmpTag = NewTag();␊
861 if (tmpTag == 0) return -1;␊
862 ␊
863 tmpTag->type = type;␊
864 tmpTag->string = 0;␊
865 tmpTag->tag = 0;␊
866␉tmpTag->offset = buffer_start ? buffer - buffer_start: 0;␊
867 tmpTag->tagNext = 0;␊
868 ␊
869 *tag = tmpTag;␊
870 ␊
871 return 0;␊
872}␊
873␊
874//==========================================================================␊
875// GetNextTag␊
876␊
877static long␊
878GetNextTag( char * buffer, char ** tag, long * start )␊
879{␊
880 long cnt, cnt2;␊
881␊
882 if (tag == 0) return -1;␊
883 ␊
884 // Find the start of the tag.␊
885 cnt = 0;␊
886 while ((buffer[cnt] != '\0') && (buffer[cnt] != '<')) cnt++;␊
887 if (buffer[cnt] == '\0') return -1;␊
888 ␊
889 // Find the end of the tag.␊
890 cnt2 = cnt + 1;␊
891 while ((buffer[cnt2] != '\0') && (buffer[cnt2] != '>')) cnt2++;␊
892 if (buffer[cnt2] == '\0') return -1;␊
893␊
894 // Fix the tag data.␊
895 *tag = buffer + cnt + 1;␊
896 buffer[cnt2] = '\0';␊
897 if (start) *start = cnt;␊
898 ␊
899 return cnt2 + 1;␊
900}␊
901␊
902//==========================================================================␊
903// FixDataMatchingTag␊
904// Modifies 'buffer' to add a '\0' at the end of the tag matching 'tag'.␊
905// Returns the length of the data found, counting the end tag,␊
906// or -1 if the end tag was not found.␊
907␊
908static long␊
909FixDataMatchingTag( char * buffer, char * tag )␊
910{␊
911 long length, start, stop;␊
912 char * endTag;␊
913 ␊
914 start = 0;␊
915 while (1)␊
916 {␊
917 length = GetNextTag(buffer + start, &endTag, &stop);␊
918 if (length == -1) return -1;␊
919 ␊
920 if ((*endTag == '/') && !strcmp(endTag + 1, tag)) break;␊
921 start += length;␊
922 }␊
923 ␊
924 buffer[start + stop] = '\0';␊
925 ␊
926 return start + length;␊
927}␊
928␊
929//==========================================================================␊
930// NewTag␊
931␊
932#define kTagsPerBlock (0x1000)␊
933␊
934static TagPtr gTagsFree;␊
935␊
936static TagPtr␊
937NewTag( void )␊
938{␊
939␉long cnt;␊
940␉TagPtr tag;␊
941 ␊
942 if (gTagsFree == 0)␊
943 {␊
944 tag = (TagPtr)malloc(kTagsPerBlock * sizeof(Tag));␊
945 if (tag == 0) return 0;␊
946 ␊
947 // Initalize the new tags.␊
948 for (cnt = 0; cnt < kTagsPerBlock; cnt++)␊
949 {␊
950 tag[cnt].type = kTagTypeNone;␊
951 tag[cnt].string = 0;␊
952 tag[cnt].tag = 0;␊
953 tag[cnt].tagNext = tag + cnt + 1;␊
954 }␊
955 tag[kTagsPerBlock - 1].tagNext = 0;␊
956␊
957 gTagsFree = tag;␊
958 }␊
959␊
960 tag = gTagsFree;␊
961 gTagsFree = tag->tagNext;␊
962 ␊
963 return tag;␊
964}␊
965␊
966//==========================================================================␊
967// XMLFreeTag␊
968␊
969void␊
970XMLFreeTag( TagPtr tag )␊
971{␊
972#if DOFREE␊
973 if (tag == 0) return;␊
974 ␊
975 if (tag->string) FreeSymbol(tag->string);␊
976 ␊
977 XMLFreeTag(tag->tag);␊
978 XMLFreeTag(tag->tagNext);␊
979 ␊
980 // Clear and free the tag.␊
981 tag->type = kTagTypeNone;␊
982 tag->string = 0;␊
983 tag->tag = 0;␊
984␉tag->offset = 0;␊
985 tag->tagNext = gTagsFree;␊
986 gTagsFree = tag;␊
987#else␊
988 return;␊
989#endif␊
990}␊
991␊
992//==========================================================================␊
993// Symbol object.␊
994␊
995struct Symbol␊
996{␊
997 long refCount;␊
998 struct Symbol *next;␊
999 char string[];␊
1000};␊
1001typedef struct Symbol Symbol, *SymbolPtr;␊
1002␊
1003static SymbolPtr FindSymbol(char * string, SymbolPtr * prevSymbol);␊
1004␊
1005static SymbolPtr gSymbolsHead;␊
1006␊
1007//==========================================================================␊
1008// NewSymbol␊
1009␊
1010static char *␊
1011NewSymbol( char * string )␊
1012{␊
1013static SymbolPtr lastGuy = 0;␊
1014␉SymbolPtr symbol;␊
1015 ␊
1016 // Look for string in the list of symbols.␊
1017 symbol = FindSymbol(string, 0);␊
1018 ␊
1019 // Add the new symbol.␊
1020 if (symbol == 0)␊
1021 {␊
1022 symbol = (SymbolPtr)malloc(sizeof(Symbol) + 1 + strlen(string));␊
1023 if (symbol == 0) //return 0;␊
1024 stop("NULL symbol!");␊
1025 ␊
1026 // Set the symbol's data.␊
1027 symbol->refCount = 0;␊
1028 strcpy(symbol->string, string);␊
1029 ␊
1030 // Add the symbol to the list.␊
1031 symbol->next = gSymbolsHead;␊
1032 gSymbolsHead = symbol;␊
1033 }␊
1034 ␊
1035 // Update the refCount and return the string.␊
1036 symbol->refCount++;␊
1037␊
1038 if (lastGuy && lastGuy->next != 0) stop("last guy not last!");␊
1039 return symbol->string;␊
1040}␊
1041␊
1042//==========================================================================␊
1043// FreeSymbol␊
1044␊
1045#if DOFREE␊
1046static void␊
1047FreeSymbol( char * string )␊
1048{␊
1049 SymbolPtr symbol, prev;␊
1050␉prev = 0;␊
1051 ␊
1052 // Look for string in the list of symbols.␊
1053 symbol = FindSymbol(string, &prev);␊
1054 if (symbol == 0) return;␊
1055 ␊
1056 // Update the refCount.␊
1057 symbol->refCount--;␊
1058 ␊
1059 if (symbol->refCount != 0) return;␊
1060 ␊
1061 // Remove the symbol from the list.␊
1062 if (prev != 0) prev->next = symbol->next;␊
1063 else gSymbolsHead = symbol->next;␊
1064 ␊
1065 // Free the symbol's memory.␊
1066 free(symbol);␊
1067}␊
1068#endif␊
1069␊
1070//==========================================================================␊
1071// FindSymbol␊
1072␊
1073static SymbolPtr␊
1074FindSymbol( char * string, SymbolPtr * prevSymbol )␊
1075{␊
1076 SymbolPtr symbol, prev;␊
1077 ␊
1078 symbol = gSymbolsHead;␊
1079 prev = 0;␊
1080 ␊
1081 while (symbol != 0) {␊
1082 if (!strcmp(symbol->string, string)) break;␊
1083 ␊
1084 prev = symbol;␊
1085 symbol = symbol->next;␊
1086 }␊
1087 ␊
1088 if ((symbol != 0) && (prevSymbol != 0)) *prevSymbol = prev;␊
1089 ␊
1090 return symbol;␊
1091}␊
1092␊
1093bool XMLIsType(TagPtr dict, enum xmltype type)␊
1094{␊
1095␉if(!dict) return (type == kTagTypeNone);␊
1096␉return (dict->type == type);␊
1097}␊
1098␊
1099/*** Cast functions ***/␊
1100bool XMLIsArray(TagPtr entry)␊
1101{␊
1102 return entry && (entry->type == kTagTypeArray);␊
1103}␊
1104␊
1105TagPtr XMLCastArray(TagPtr dict)␊
1106{␊
1107␉if(!dict) return NULL;␊
1108␉if(dict->type == kTagTypeArray) return dict;␊
1109␉else return NULL;␊
1110}␊
1111␊
1112bool XMLIsDict(TagPtr entry)␊
1113{␊
1114 return entry && (entry->type == kTagTypeDict);␊
1115}␊
1116␊
1117␊
1118TagPtr XMLCastDict(TagPtr dict)␊
1119{␊
1120␉if(!dict) return NULL;␊
1121␉if(dict->type == kTagTypeDict) return dict;␊
1122␉else return NULL;␊
1123}␊
1124␊
1125bool XMLIsString(TagPtr entry)␊
1126{␊
1127 return entry && ␊
1128 ((entry->type == kTagTypeString) ||␊
1129 (entry->type == kTagTypeKey));␊
1130}␊
1131␊
1132char* XMLCastString(TagPtr dict)␊
1133{␊
1134␉if(!dict) return NULL;␊
1135␊
1136␉if((dict->type == kTagTypeString) ||␊
1137␉ (dict->type == kTagTypeKey)) return dict->string;␊
1138␉␊
1139␉return NULL;␊
1140}␊
1141␊
1142long XMLCastStringOffset(TagPtr dict)␊
1143{␊
1144␉if(dict &&␊
1145␉ ((dict->type == kTagTypeString) ||␊
1146␉ (dict->type == kTagTypeKey)))␊
1147␉{␊
1148␉␉return dict->offset;␊
1149␉}␊
1150␉else ␊
1151␉{␊
1152␉␉return -1;␊
1153␉}␊
1154}␊
1155␊
1156bool XMLIsBoolean(TagPtr entry)␊
1157{␊
1158 return entry && ␊
1159 ((entry->type == kTagTypeTrue) ||␊
1160 (entry->type == kTagTypeFalse));␊
1161}␊
1162␊
1163bool XMLCastBoolean(TagPtr dict)␊
1164{␊
1165␉if(!dict) return false;␊
1166␉if(dict->type == kTagTypeTrue) return true;␊
1167␉return false;␊
1168}␊
1169␊
1170bool XMLIsInteger(TagPtr entry)␊
1171{␊
1172 return entry && (entry->type == kTagTypeInteger);␊
1173}␊
1174␊
1175int XMLCastInteger(TagPtr dict)␊
1176{␊
1177␉if(!dict)␊
1178␉{␊
1179␉␉//printf("XMLCastInteger: null dict\n");␊
1180␉␉return 0;␊
1181␉}␊
1182␉if(dict->type == kTagTypeInteger) return (int)(dict->string);␊
1183␉return 0;␊
1184}␊
1185␊
1186bool XMLAddTagToDictionary(TagPtr dict, char* key, TagPtr value)␊
1187{␊
1188 if (!dict || dict->type != kTagTypeDict) return false;␊
1189␊
1190 TagPtr tmpTag;␊
1191 char* string;␊
1192␊
1193 tmpTag = NewTag();␊
1194 if (tmpTag == 0)␊
1195 {␊
1196 return false;␊
1197 }␊
1198 ␊
1199 string = NewSymbol(key);␊
1200 if (string == 0)␊
1201 {␊
1202 XMLFreeTag(tmpTag);␊
1203 return false;␊
1204 }␊
1205 ␊
1206 tmpTag->type = kTagTypeKey;␊
1207 tmpTag->string = string;␊
1208 tmpTag->tag = value;␊
1209␉tmpTag->offset = 0;␊
1210 tmpTag->tagNext = 0;␊
1211 ␊
1212 TagPtr tagList = dict->tag;␊
1213 if(!tagList)␊
1214 {␊
1215 // First tag␊
1216 dict->tag = tmpTag;␊
1217 return true;␊
1218 }␊
1219 while(tagList && tagList->tagNext) tagList = tagList->tagNext;␊
1220 if(tagList)␊
1221 {␊
1222 tagList->tagNext = tmpTag;␊
1223 return true;␊
1224 }␊
1225 return false;␊
1226}

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