Annotation of parser3/src/main/pa_globals.C, revision 1.161
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.157 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:
1.161 ! paf 8: static const char * const IDENT_GLOBALS_C="$Date: 2003/11/20 15:35:31 $";
1.1 paf 9:
1.102 paf 10: #include "pa_config_includes.h"
11:
12: #ifdef XML
1.157 paf 13: #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:
1.157 paf 21: #include "pcre.h"
22:
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"
1.84 parser 27:
1.70 parser 28:
1.157 paf 29: // defines
1.155 paf 30:
1.157 paf 31: //#define PA_DEBUG_XML_GC_MEMORY
1.95 paf 32:
1.157 paf 33: // globals
1.32 paf 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:
1.157 paf 71: class XML_Generic_error_info {
72: public:
1.101 paf 73: pa_thread_t thread_id;
1.157 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: }
84: const char* get_and_reset() {
85: char* result=new(PointerFreeGC) char[used+1];
86: memcpy(result, buf, used+1);
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
1.160 paf 102: xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
1.157 paf 103: //_asm int 3;
104: 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);
1.157 paf 114: 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);
1.157 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() {
1.157 paf 130: 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:
1.157 paf 137: const char* xmlGenericErrors() {
138: 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
144: return 0;
145:
1.157 paf 146: 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
1.157 paf 158: xmlFileMatchLocalhost(const char* filename) {
159: if (!strncmp(filename, "http://localhost", 16))
160: return(1);
161: 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 *
1.157 paf 177: xmlFileOpenLocalhost (const char* filename) {
178: //_asm int 3;
179: FILE *fd;
180: const char* documentRoot;
181: char path[1000];
182:
1.110 paf 183: path[0]=0;
184: strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
185: strcat(path, &filename[16]);
1.157 paf 186:
1.110 paf 187: #ifdef WIN32
1.157 paf 188: fd = fopen(path, "rb");
1.110 paf 189: #else
1.157 paf 190: fd = fopen(path, "r");
1.110 paf 191: #endif /* WIN32 */
1.157 paf 192: 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) {
1.157 paf 207: 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) {
1.157 paf 218: 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);
1.160 paf 228: // uncomment SAPI::abort below if adding potential-throw code here
1.96 paf 229: #endif
1.83 parser 230: } catch(const Exception& e) {
1.160 paf 231: // SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 232: }
233: }
234:
235:
1.157 paf 236: #ifdef XML
237:
238: static char *pa_GC_strdup(const char *s) {
239: if(!s)
240: return 0;
241:
242: size_t size=strlen(s)+1;
243: char *result=(char *)GC_malloc_atomic(size);
1.159 paf 244: if(!result)
245: SAPI::abort("out of memory (while duplicating XML string [size=%d])", size);
246:
1.157 paf 247: memcpy(result, s, size);
248: return result;
249: }
250:
251: #ifdef PA_DEBUG_XML_GC_MEMORY
252: void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0,
253: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
254: bool pa_looked(void*p) {
255: for(int i=0; i<8; i++)
256: if(pa_look_for[i]==p)
257: return true;
258: return false;
259: }
260: static void* pa_gc_malloc_log(size_t size){
261: void *p=pa_gc_malloc(size);
262: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
263: // if(pa_looked(p))
264: // fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
265: return p;
266:
267: }
268: static void* pa_gc_malloc_atomic_log(size_t size){
269: void *p=pa_gc_malloc_atomic(size);
270: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
271: // if(pa_looked(p))
272: // fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
273: return p;
274: }
275: static void* pa_gc_realloc_log(void *ptr, size_t size){
276: void *p=pa_gc_realloc(ptr, size);
277: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
278: // if(pa_looked(p))
279: // fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
280: return p;
281: }
282: //static void pa_gc_free_ignore(void *){}
283: static void pa_gc_free_log(void *p){
284: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
285: // if(pa_looked(p))
286: // fprintf(stderr,"catched debug free(0x%p)\n", p);
287: pa_gc_free(p);
288: }
1.159 paf 289: #else
290:
291: inline void *check(void *result, const char *where, size_t size) {
292: if(!result)
293: SAPI::abort("out of memory (while %s [size=%d])", where, size);
294:
295: return result;
296: }
297: static void* pa_gc_malloc_nonull(size_t size) {
298: return check(pa_gc_malloc(size), "allocating XML compsite memory", size);
299: }
300: static void* pa_gc_malloc_atomic_nonull(size_t size) {
301: return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size);
302: }
303: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
304: return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size);
305: }
306:
1.157 paf 307: #endif
308: #endif
309:
310: void pa_CORD_oom_fn(void) {
311: SAPI::abort("out of memory (while expanding string)");
312: }
313:
314: /**
315: @todo gc: libltdl: substitute lt_dlmalloc & co
316: */
317: static void gc_substitute_memory_management_functions() {
318: // in libxml & libxslt
319: #ifdef XML
320: // asking to use GC memory
321: #if LIBXML_VERSION >= 20507
322: #ifdef PA_DEBUG_XML_GC_MEMORY
323: xmlGcMemSetup(
324: /*xmlFreeFunc */pa_gc_free_log,
325: /*xmlMallocFunc */pa_gc_malloc_log,
326: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
327: /*xmlReallocFunc */pa_gc_realloc_log,
328: /*xmlStrdupFunc */pa_GC_strdup);
329: #else
330: xmlGcMemSetup(
331: /*xmlFreeFunc */pa_gc_free,
1.159 paf 332: /*xmlMallocFunc */pa_gc_malloc_nonull,
333: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
334: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 335: /*xmlStrdupFunc */pa_GC_strdup);
336: #endif
1.32 paf 337:
1.157 paf 338: #else
339: xmlMemSetup(
340: /*xmlFreeFunc */pa_gc_free,
341: /*xmlMallocFunc */pa_gc_malloc,
342: /*xmlReallocFunc */pa_gc_realloc,
343: /*xmlStrdupFunc */pa_GC_strdup);
344: #endif
1.5 paf 345:
1.157 paf 346: #endif
1.141 paf 347:
1.157 paf 348: // pcre
349: pcre_malloc=pa_gc_malloc;
350: pcre_free=pa_gc_free;
1.135 paf 351:
1.1 paf 352:
1.157 paf 353: // cord
354: CORD_oom_fn=pa_CORD_oom_fn;
355: }
1.88 paf 356:
1.157 paf 357: /**
358: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
359: */
360: void pa_globals_init() {
361: // in various libraries
362: gc_substitute_memory_management_functions();
1.101 paf 363:
1.157 paf 364: // hex value
365: setup_hex_value();
1.74 parser 366:
1.76 parser 367: #ifdef XML
1.96 paf 368: // initializing xml libs
369:
1.157 paf 370: /* First get a DOMImplementation reference */
1.96 paf 371: domimpl = gdome_di_mkref ();
1.157 paf 372: /*
373: * Register the EXSLT extensions and the test module
374: */
375: exsltRegisterAll();
376: xsltRegisterTestModule();
377: xmlDefaultSAXHandlerInit();
378: /*
379: * disable CDATA from being built in the document tree
380: */
381: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
382:
1.99 paf 383: /*
384: * Initialization function for the XML parser.
385: * This is not reentrant. Call once before processing in case of
386: * use in multithreaded programs.
387: */
388: xmlInitParser();
1.107 paf 389:
390: // 1. this is needed for proper parsing of stylesheets
391: // there were a situation where honest entity ruined innocent xpath compilation
392: // doc says "you sould turn it on on stylesheet load" without deepening into details
393: // 2. when dom tree with entites goes under transform text nodes
394: // got [erroreosly] cut on first entity occurance
1.109 paf 395: // --
1.107 paf 396: // that is why this is:
397: xmlSubstituteEntitiesDefault(1);
1.100 paf 398:
399: // Bit in the loadsubset context field to tell to do ID/REFs lookups
400: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
401: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
402: // with the ones defaulted from the DTDs
1.157 paf 403: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 404:
405: // validate each document after load/create (?)
406: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 407:
1.104 paf 408: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 409: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 410:
1.101 paf 411: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 412: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 413: // FILE *f=fopen("y:\\xslt.log", "wt");
414: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 415:
416: // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
417: xmlRegisterInputCallbacks(
418: xmlFileMatchLocalhost, xmlFileOpenLocalhost,
1.150 paf 419: pa_xmlFileRead, pa_xmlFileClose);
1.157 paf 420: #endif
421: }
422:
423: #ifdef _MSC_VER
424:
425: #ifndef PA_DEBUG_DISABLE_GC
426: # define GC_LIB "../../../../win32/gc"
427: # ifdef _DEBUG
428: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
429: # else
430: # pragma comment(lib, GC_LIB "/Release/gc.lib")
431: # endif
1.96 paf 432:
1.76 parser 433: #endif
434:
1.157 paf 435: #ifdef XML
1.158 paf 436: # define GNOME_LIBS "../../../../win32/gnome"
1.131 paf 437: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 438: # ifdef _DEBUG
1.157 paf 439:
440: # ifdef LIBXML_STATIC
441: # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2_a.lib")
442: # else
443: # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2.lib")
444: # endif
445:
446: # ifdef LIBXSLT_STATIC
447: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugStatic/libxslt.lib")
448: # else
449: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugDynamic/libxslt.lib")
450: # endif
451: # ifdef LIBEXSLT_STATIC
452: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugStatic/libexslt.lib")
453: # else
454: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugDynamic/libexslt.lib")
455: # endif
456:
457: # ifdef LIBGDOME_STATIC
458: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugStatic/libgdome.lib")
459: # else
460: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugDynamic/libgdome.lib")
461: # endif
462:
463: #else
464:
465: # ifdef LIBXML_STATIC
466: # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2_a.lib")
467: # else
468: # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2.lib")
469: # endif
470:
471: # ifdef LIBXSLT_STATIC
472: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseStatic/libxslt.lib")
473: # else
474: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseDynamic/libxslt.lib")
475: # endif
476: # ifdef LIBEXSLT_STATIC
477: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseStatic/libexslt.lib")
478: # else
479: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseDynamic/libexslt.lib")
480: # endif
481:
482: # ifdef LIBGDOME_STATIC
483: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseStatic/libgdome.lib")
484: # else
485: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseDynamic/libgdome.lib")
486: # endif
487:
1.85 paf 488: # endif
1.157 paf 489: #endif
490:
1.85 paf 491: #endif
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