Annotation of parser3/src/main/pa_globals.C, revision 1.158
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:
1.158 ! paf 8: static const char* IDENT_GLOBALS_C="$Date: 2003/07/24 11:31:23 $";
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
1.157 paf 102: xmlParserGenericErrorFunc(void *ctx, const char* msg, ...) {
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);
228: #endif
1.83 parser 229: } catch(const Exception& e) {
1.157 paf 230: SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 231: }
232: }
233:
234:
1.157 paf 235: #ifdef XML
236:
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: }
246:
247: #ifdef PA_DEBUG_XML_GC_MEMORY
248: void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0,
249: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
250: bool pa_looked(void*p) {
251: for(int i=0; i<8; i++)
252: if(pa_look_for[i]==p)
253: return true;
254: return false;
255: }
256: static void* pa_gc_malloc_log(size_t size){
257: void *p=pa_gc_malloc(size);
258: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
259: // if(pa_looked(p))
260: // fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
261: return p;
262:
263: }
264: static void* pa_gc_malloc_atomic_log(size_t size){
265: void *p=pa_gc_malloc_atomic(size);
266: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
267: // if(pa_looked(p))
268: // fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
269: return p;
270: }
271: static void* pa_gc_realloc_log(void *ptr, size_t size){
272: void *p=pa_gc_realloc(ptr, size);
273: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
274: // if(pa_looked(p))
275: // fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
276: return p;
277: }
278: //static void pa_gc_free_ignore(void *){}
279: static void pa_gc_free_log(void *p){
280: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
281: // if(pa_looked(p))
282: // fprintf(stderr,"catched debug free(0x%p)\n", p);
283: pa_gc_free(p);
284: }
285: #endif
286: #endif
287:
288: void pa_CORD_oom_fn(void) {
289: SAPI::abort("out of memory (while expanding string)");
290: }
291:
292: /**
293: @todo LIBXML_VERSION with xmlGcMemSetup will be 2.5.7
294: @todo gc: libltdl: substitute lt_dlmalloc & co
295: */
296: static void gc_substitute_memory_management_functions() {
297: // in libxml & libxslt
298: #ifdef XML
299: // asking to use GC memory
300: #if LIBXML_VERSION >= 20507
301: #ifdef PA_DEBUG_XML_GC_MEMORY
302: xmlGcMemSetup(
303: /*xmlFreeFunc */pa_gc_free_log,
304: /*xmlMallocFunc */pa_gc_malloc_log,
305: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
306: /*xmlReallocFunc */pa_gc_realloc_log,
307: /*xmlStrdupFunc */pa_GC_strdup);
308: #else
309: xmlGcMemSetup(
310: /*xmlFreeFunc */pa_gc_free,
311: /*xmlMallocFunc */pa_gc_malloc,
312: /*xmlMallocFunc */pa_gc_malloc_atomic,
313: /*xmlReallocFunc */pa_gc_realloc,
314: /*xmlStrdupFunc */pa_GC_strdup);
315: #endif
1.32 paf 316:
1.157 paf 317: #else
318: xmlMemSetup(
319: /*xmlFreeFunc */pa_gc_free,
320: /*xmlMallocFunc */pa_gc_malloc,
321: /*xmlReallocFunc */pa_gc_realloc,
322: /*xmlStrdupFunc */pa_GC_strdup);
323: #endif
1.5 paf 324:
1.157 paf 325: #endif
1.141 paf 326:
1.157 paf 327: // pcre
328: pcre_malloc=pa_gc_malloc;
329: pcre_free=pa_gc_free;
1.135 paf 330:
1.1 paf 331:
1.157 paf 332: // cord
333: CORD_oom_fn=pa_CORD_oom_fn;
334: }
1.88 paf 335:
1.157 paf 336: /**
337: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
338: */
339: void pa_globals_init() {
340: // in various libraries
341: gc_substitute_memory_management_functions();
1.101 paf 342:
1.157 paf 343: // hex value
344: setup_hex_value();
1.74 parser 345:
1.76 parser 346: #ifdef XML
1.96 paf 347: // initializing xml libs
348:
1.157 paf 349: /* First get a DOMImplementation reference */
1.96 paf 350: domimpl = gdome_di_mkref ();
1.157 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
1.157 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);
1.157 paf 399: #endif
400: }
401:
402: #ifdef _MSC_VER
403:
404: #ifndef PA_DEBUG_DISABLE_GC
405: # define GC_LIB "../../../../win32/gc"
406: # ifdef _DEBUG
407: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
408: # else
409: # pragma comment(lib, GC_LIB "/Release/gc.lib")
410: # endif
1.96 paf 411:
1.76 parser 412: #endif
413:
1.157 paf 414: #ifdef XML
1.158 ! paf 415: # define GNOME_LIBS "../../../../win32/gnome"
1.131 paf 416: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 417: # ifdef _DEBUG
1.157 paf 418:
419: # ifdef LIBXML_STATIC
420: # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2_a.lib")
421: # else
422: # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2.lib")
423: # endif
424:
425: # ifdef LIBXSLT_STATIC
426: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugStatic/libxslt.lib")
427: # else
428: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugDynamic/libxslt.lib")
429: # endif
430: # ifdef LIBEXSLT_STATIC
431: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugStatic/libexslt.lib")
432: # else
433: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugDynamic/libexslt.lib")
434: # endif
435:
436: # ifdef LIBGDOME_STATIC
437: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugStatic/libgdome.lib")
438: # else
439: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugDynamic/libgdome.lib")
440: # endif
441:
442: #else
443:
444: # ifdef LIBXML_STATIC
445: # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2_a.lib")
446: # else
447: # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2.lib")
448: # endif
449:
450: # ifdef LIBXSLT_STATIC
451: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseStatic/libxslt.lib")
452: # else
453: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseDynamic/libxslt.lib")
454: # endif
455: # ifdef LIBEXSLT_STATIC
456: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseStatic/libexslt.lib")
457: # else
458: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseDynamic/libexslt.lib")
459: # endif
460:
461: # ifdef LIBGDOME_STATIC
462: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseStatic/libgdome.lib")
463: # else
464: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseDynamic/libgdome.lib")
465: # endif
466:
1.85 paf 467: # endif
1.157 paf 468: #endif
469:
1.85 paf 470: #endif
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