Annotation of parser3/src/main/pa_globals.C, revision 1.152.2.19.2.22
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.152.2.10 paf 4: Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
1.113 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.133 paf 6: */
1.16 paf 7:
1.152.2.19.2. 2(paf 8:3): static const char* IDENT_GLOBALS_C="$Date: 2003/07/24 05:50:02 $";
1.1 paf 9:
1.102 paf 10: #include "pa_config_includes.h"
11:
12: #ifdef XML
1.152.2.19.2. 6(paf 13:3): #include "libxml/xmlversion.h"
1.102 paf 14: #include "libxslt/extensions.h"
15: #include "libxslt/xsltutils.h"
1.116 paf 16: extern "C" {
1.102 paf 17: #include "libexslt/exslt.h"
1.116 paf 18: };
1.102 paf 19: #endif
20:
1.152.2.19.2. 7(paf 21:3): #include "pcre.h"
22:3):
1.1 paf 23: #include "pa_globals.h"
1.32 paf 24: #include "pa_string.h"
1.83 parser 25: #include "pa_sapi.h"
1.101 paf 26: #include "pa_threads.h"
1.152.2.2 paf 27:
1.152.2.19.2. (paf 28:):
29:): // defines
30:):
9(paf 31:3): //#define PA_DEBUG_XML_GC_MEMORY
(paf 32:):
33:): // globals
34:):
1.5 paf 35: short hex_value[0x100];
1.111 paf 36:
37: #ifdef XML
38: GdomeDOMImplementation *domimpl;
39: #endif
1.5 paf 40:
41: static void setup_hex_value() {
1.68 parser 42: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 43: hex_value['0'] = 0;
44: hex_value['1'] = 1;
45: hex_value['2'] = 2;
46: hex_value['3'] = 3;
47: hex_value['4'] = 4;
48: hex_value['5'] = 5;
49: hex_value['6'] = 6;
50: hex_value['7'] = 7;
51: hex_value['8'] = 8;
52: hex_value['9'] = 9;
53: hex_value['A'] = 10;
54: hex_value['B'] = 11;
55: hex_value['C'] = 12;
56: hex_value['D'] = 13;
57: hex_value['E'] = 14;
58: hex_value['F'] = 15;
59: hex_value['a'] = 10;
60: hex_value['b'] = 11;
61: hex_value['c'] = 12;
62: hex_value['d'] = 13;
63: hex_value['e'] = 14;
64: hex_value['f'] = 15;
65: }
1.1 paf 66:
1.99 paf 67: #ifdef XML
1.101 paf 68:
69: const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
70:
1.152.2.17 paf 71: class XML_Generic_error_info {
72: public:
1.101 paf 73: pa_thread_t thread_id;
1.152.2.17 paf 74: char buf[MAX_STRING];
75: size_t used;
76: public:
77: XML_Generic_error_info() {
78: reset();
79: }
80: void reset() {
81: thread_id=0;
82: buf[used=0]=0;
83: }
1.152.2.19.2. 0(paf 84:3): const char* get_and_reset() {
(paf 85:): char* result=new(PointerFreeGC) char[used+1];
86:): memcpy(result, buf, used+1);
1.152.2.17 paf 87: reset();
88: return result;
89: }
1.101 paf 90: } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS];
91:
92: XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) {
93: for(int i=0; i<MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS; i++) {
94: XML_Generic_error_info *p=xml_generic_error_infos+i;
95: if(p->thread_id==thread_id)
96: return p;
97: }
98: return 0;
99: }
100:
1.99 paf 101: static void
1.152.2.10 paf 102: xmlParserGenericErrorFunc(void *ctx, const char* msg, ...) {
1.152.2.19.2. 0(paf 103:3): //_asm int 3;
104:3): pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 105:
106: // infinitely looking for free slot to fill it
107: while(true) {
108: SYNCHRONIZED; // find+fill blocked
109:
110: // first try to get existing for this thread_id
111: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
112: if(!p) { // occupy empty one
113: p=xml_generic_error_info(0);
1.152.2.19.2. 0(paf 114:3): if(!p) // wait for empty one to appear
1.101 paf 115: continue;
116: }
117:
1.102 paf 118: p->thread_id=thread_id;
1.101 paf 119:
120: va_list args;
121: va_start(args, msg);
1.152.2.19 paf 122: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
1.101 paf 123: va_end(args);
124:
125: break;
126: }
127: }
128:
1.102 paf 129: bool xmlHaveGenericErrors() {
1.152.2.19.2. 0(paf 130:3): pa_thread_t thread_id=pa_get_thread_id();
1.102 paf 131:
132: SYNCHRONIZED; // find blocked
133:
134: return xml_generic_error_info(thread_id)!=0;
135: }
136:
1.152.2.19.2. (paf 137:): const char* xmlGenericErrors() {
0(paf 138:3): pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 139:
140: SYNCHRONIZED; // find+free blocked
141:
142: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
143: if(!p) // no errors for our thread_id registered
1.152.2.19.2. (paf 144:): return 0;
1.101 paf 145:
1.152.2.19.2. 0(paf 146:3): return p->get_and_reset();
1.99 paf 147: }
1.110 paf 148:
149: /**
150: * xmlFileMatchWithLocalhostEqDocumentRoot:
151: * filename: the URI for matching
152: *
153: * check if the URI matches an HTTP one
154: *
155: * Returns 1 if matches, 0 otherwise
156: */
157: static int
1.152.2.10 paf 158: xmlFileMatchLocalhost(const char* filename) {
1.152.2.19.2. 0(paf 159:3): if (!strncmp(filename, "http://localhost", 16))
160:3): return(1);
161:3): return(0);
1.110 paf 162: }
163:
164:
165: /**
166: * xmlFileOpenHttpLocalhost :
167: * filename: the URI for matching
168: *
169: * http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
170: *
171: * input from FILE *, supports compressed input
172: * if filename is " " then the standard input is used
173: *
174: * Returns an I/O context or NULL in case of error
175: */
176: static void *
1.152.2.10 paf 177: xmlFileOpenLocalhost (const char* filename) {
1.152.2.19.2. 0(paf 178:3): //_asm int 3;
179:3): FILE *fd;
180:3): const char* documentRoot;
181:3): char path[1000];
182:3):
1.110 paf 183: path[0]=0;
184: strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
185: strcat(path, &filename[16]);
1.152.2.19.2. 0(paf 186:3):
1.110 paf 187: #ifdef WIN32
1.152.2.19.2. 0(paf 188:3): fd = fopen(path, "rb");
1.110 paf 189: #else
1.152.2.19.2. 0(paf 190:3): fd = fopen(path, "r");
1.110 paf 191: #endif /* WIN32 */
1.152.2.19.2. 0(paf 192:3): return((void *) fd);
1.110 paf 193: }
194:
1.150 paf 195: /**
196: * xmlFileRead:
197: * @context: the I/O context
198: * @buffer: where to drop data
199: * @len: number of bytes to write
200: *
201: * Read @len bytes to @buffer from the I/O channel.
202: *
203: * Returns the number of bytes written
204: */
205: static int
206: pa_xmlFileRead (void * context, char * buffer, int len) {
1.152.2.19.2. 0(paf 207:3): return(fread(&buffer[0], 1, len, (FILE *) context));
1.150 paf 208: }
209:
210: /**
211: * xmlFileClose:
212: * @context: the I/O context
213: *
214: * Close an I/O channel
215: */
216: static int
217: pa_xmlFileClose (void * context) {
1.152.2.19.2. 0(paf 218:3): return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
1.150 paf 219: }
220:
1.99 paf 221: #endif
222:
1.83 parser 223: void pa_globals_destroy(void *) {
224: try {
1.96 paf 225: #ifdef XML
226: GdomeException exc;
227: gdome_di_unref (domimpl, &exc);
228: #endif
1.83 parser 229: } catch(const Exception& e) {
1.152.2.16 paf 230: SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 231: }
232: }
233:
234:
1.152.2.19.2. (paf 235:): #ifdef XML
8(paf 236:3):
(paf 237:): static char *pa_GC_strdup(const char *s) {
238:): if(!s)
239:): return 0;
240:):
241:): size_t size=strlen(s)+1;
242:): char *result=(char *)GC_malloc_atomic(size);
243:): memcpy(result, s, size);
244:): return result;
245:): }
8(paf 246:3):
247:3): #ifdef PA_DEBUG_XML_GC_MEMORY
9(paf 248:3): void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0,
249:3): (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
250:3): bool pa_looked(void*p) {
251:3): for(int i=0; i<8; i++)
252:3): if(pa_look_for[i]==p)
253:3): return true;
254:3): return false;
255:3): }
8(paf 256:3): static void* pa_gc_malloc_log(size_t size){
257:3): void *p=pa_gc_malloc(size);
9(paf 258:3): fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
259:3): // if(pa_looked(p))
260:3): // fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
8(paf 261:3): return p;
262:3):
263:3): }
264:3): static void* pa_gc_malloc_atomic_log(size_t size){
265:3): void *p=pa_gc_malloc_atomic(size);
9(paf 266:3): fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
267:3): // if(pa_looked(p))
268:3): // fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
269:3): return p;
270:3): }
271:3): static void* pa_gc_realloc_log(void *ptr, size_t size){
272:3): void *p=pa_gc_realloc(ptr, size);
273:3): fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
274:3): // if(pa_looked(p))
275:3): // fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
8(paf 276:3): return p;
277:3): }
278:3): //static void pa_gc_free_ignore(void *){}
279:3): static void pa_gc_free_log(void *p){
9(paf 280:3): fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
281:3): // if(pa_looked(p))
282:3): // fprintf(stderr,"catched debug free(0x%p)\n", p);
8(paf 283:3): pa_gc_free(p);
284:3): }
285:3): #endif
(paf 286:): #endif
287:):
3(paf 288:3): void pa_CORD_oom_fn(void) {
289:3): SAPI::abort("out of memory (while expanding string)");
290:3): }
1.74 parser 291:
1.152.2.19.2. 3(paf 292:3): /**
7(paf 293:3): @todo LIBXML_VERSION with xmlGcMemSetup will be 2.5.7
3(paf 294:3): @todo gc: libltdl: substitute lt_dlmalloc & co
295:3): */
4(paf 296:3): static void gc_substitute_memory_management_functions() {
3(paf 297:3): // in libxml & libxslt
1.76 parser 298: #ifdef XML
1.152.2.19.2. (paf 299:): // asking to use GC memory
8(paf 300:3): #if LIBXML_VERSION >= 20507
301:3): #ifdef PA_DEBUG_XML_GC_MEMORY
302:3): xmlGcMemSetup(
303:3): /*xmlFreeFunc */pa_gc_free_log,
304:3): /*xmlMallocFunc */pa_gc_malloc_log,
305:3): /*xmlMallocFunc */pa_gc_malloc_atomic_log,
9(paf 306:3): /*xmlReallocFunc */pa_gc_realloc_log,
8(paf 307:3): /*xmlStrdupFunc */pa_GC_strdup);
308:3): #else
6(paf 309:3): xmlGcMemSetup(
310:3): /*xmlFreeFunc */pa_gc_free,
311:3): /*xmlMallocFunc */pa_gc_malloc,
312:3): /*xmlMallocFunc */pa_gc_malloc_atomic,
313:3): /*xmlReallocFunc */pa_gc_realloc,
314:3): /*xmlStrdupFunc */pa_GC_strdup);
8(paf 315:3): #endif
316:3):
6(paf 317:3): #else
(paf 318:): xmlMemSetup(
2(paf 319:3): /*xmlFreeFunc */pa_gc_free,
320:3): /*xmlMallocFunc */pa_gc_malloc,
321:3): /*xmlReallocFunc */pa_gc_realloc,
(paf 322:): /*xmlStrdupFunc */pa_GC_strdup);
6(paf 323:3): #endif
324:3):
(paf 325:): #endif
3(paf 326:3):
7(paf 327:3): // pcre
328:3): pcre_malloc=pa_gc_malloc;
329:3): pcre_free=pa_gc_free;
330:3):
331:3):
332:3): // cord
3(paf 333:3): CORD_oom_fn=pa_CORD_oom_fn;
334:3): }
335:3):
336:3): /**
337:3): @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
338:3): */
339:3): void pa_globals_init() {
340:3): // in various libraries
341:3): gc_substitute_memory_management_functions();
342:3):
343:3): // hex value
344:3): setup_hex_value();
345:3):
346:3): #ifdef XML
347:3): // initializing xml libs
(paf 348:):
349:): /* First get a DOMImplementation reference */
1.96 paf 350: domimpl = gdome_di_mkref ();
1.152.2.19.2. (paf 351:): /*
352:): * Register the EXSLT extensions and the test module
353:): */
354:): exsltRegisterAll();
355:): xsltRegisterTestModule();
356:): xmlDefaultSAXHandlerInit();
357:): /*
358:): * disable CDATA from being built in the document tree
359:): */
360:): // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
361:):
1.99 paf 362: /*
363: * Initialization function for the XML parser.
364: * This is not reentrant. Call once before processing in case of
365: * use in multithreaded programs.
366: */
367: xmlInitParser();
1.107 paf 368:
369: // 1. this is needed for proper parsing of stylesheets
370: // there were a situation where honest entity ruined innocent xpath compilation
371: // doc says "you sould turn it on on stylesheet load" without deepening into details
372: // 2. when dom tree with entites goes under transform text nodes
373: // got [erroreosly] cut on first entity occurance
1.109 paf 374: // --
1.107 paf 375: // that is why this is:
376: xmlSubstituteEntitiesDefault(1);
1.100 paf 377:
378: // Bit in the loadsubset context field to tell to do ID/REFs lookups
379: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
380: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
381: // with the ones defaulted from the DTDs
1.152.2.19.2. (paf 382:): xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 383:
384: // validate each document after load/create (?)
385: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 386:
1.104 paf 387: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 388: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 389:
1.101 paf 390: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 391: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 392: // FILE *f=fopen("y:\\xslt.log", "wt");
393: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 394:
395: // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
396: xmlRegisterInputCallbacks(
397: xmlFileMatchLocalhost, xmlFileOpenLocalhost,
1.150 paf 398: pa_xmlFileRead, pa_xmlFileClose);
1.76 parser 399: #endif
1.1 paf 400: }
1.76 parser 401:
1.152.2.19.2. 0(paf 402:3): #ifdef _MSC_VER
403:3):
404:3): #ifndef PA_DEBUG_DISABLE_GC
2(paf 405:3): # define GC_LIB "../../../../win32/gc"
0(paf 406:3): # ifdef _DEBUG
407:3): # pragma comment(lib, GC_LIB "/Debug/gc.lib")
408:3): # else
409:3): # pragma comment(lib, GC_LIB "/Release/gc.lib")
410:3): # endif
411:3):
412:3): #endif
413:3):
414:3): #ifdef XML
2(paf 415:3): # define GNOME_LIBS "../../../../win32xml/win32/gnome"
1.131 paf 416: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 417: # ifdef _DEBUG
1.152.2.19.2. 0(paf 418:3):
419:3): # ifdef LIBXML_STATIC
1(paf 420:3): # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2_a.lib")
0(paf 421:3): # else
1(paf 422:3): # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2.lib")
0(paf 423:3): # endif
424:3):
425:3): # ifdef LIBXSLT_STATIC
426:3): # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugStatic/libxslt.lib")
427:3): # else
428:3): # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugDynamic/libxslt.lib")
429:3): # endif
430:3): # ifdef LIBEXSLT_STATIC
431:3): # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugStatic/libexslt.lib")
432:3): # else
433:3): # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugDynamic/libexslt.lib")
434:3): # endif
435:3):
436:3): # ifdef LIBGDOME_STATIC
437:3): # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugStatic/libgdome.lib")
438:3): # else
439:3): # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugDynamic/libgdome.lib")
440:3): # endif
441:3):
442:3): #else
443:3):
444:3): # ifdef LIBXML_STATIC
1(paf 445:3): # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2_a.lib")
0(paf 446:3): # else
1(paf 447:3): # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2.lib")
0(paf 448:3): # endif
449:3):
450:3): # ifdef LIBXSLT_STATIC
451:3): # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseStatic/libxslt.lib")
452:3): # else
453:3): # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseDynamic/libxslt.lib")
454:3): # endif
455:3): # ifdef LIBEXSLT_STATIC
456:3): # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseStatic/libexslt.lib")
457:3): # else
458:3): # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseDynamic/libexslt.lib")
459:3): # endif
460:3):
461:3): # ifdef LIBGDOME_STATIC
462:3): # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseStatic/libgdome.lib")
463:3): # else
464:3): # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseDynamic/libgdome.lib")
465:3): # endif
466:3):
1.85 paf 467: # endif
1.152.2.19.2. 0(paf 468:3): #endif
469:3):
1.85 paf 470: #endif
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