Annotation of parser3/src/main/pa_globals.C, revision 1.157
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:
1.157 ! paf 8: static const char* IDENT_GLOBALS_C="$Date: 2003/07/24 07:21:03 $";
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
1.153 paf 415: # 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
1.157 ! 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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