Annotation of parser3/src/main/pa_globals.C, revision 1.188
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.187 moko 4: Copyright (c) 2001-2012 Art. Lebedev Studio (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:
1.102 paf 8: #include "pa_config_includes.h"
9:
10: #ifdef XML
1.157 paf 11: #include "libxml/xmlversion.h"
1.102 paf 12: #include "libxslt/extensions.h"
13: #include "libxslt/xsltutils.h"
1.116 paf 14: extern "C" {
1.102 paf 15: #include "libexslt/exslt.h"
1.116 paf 16: };
1.102 paf 17: #endif
18:
1.1 paf 19: #include "pa_globals.h"
1.32 paf 20: #include "pa_string.h"
1.83 parser 21: #include "pa_sapi.h"
1.101 paf 22: #include "pa_threads.h"
1.162 paf 23: #include "pa_xml_io.h"
1.163 paf 24: #include "pa_common.h"
1.70 parser 25:
1.164 paf 26: #include "pa_cache_managers.h"
27:
1.188 ! moko 28: #include "ltdl.h"
1.182 misha 29: #include "pcre.h"
30:
1.188 ! moko 31: volatile const char * IDENT_PA_GLOBALS_C="$Id: pa_globals.C,v 1.187 2012-03-16 09:24:13 moko Exp $" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H;
1.187 moko 32:
1.157 paf 33: // defines
1.155 paf 34:
1.157 paf 35: //#define PA_DEBUG_XML_GC_MEMORY
1.95 paf 36:
1.178 paf 37: //20051130 trying to remove this, author claims that fixed a lot there // 20040920 for now both workarounds needed. wait for new libxml/xsl versions
38: // // there is a problem with testcase, it's unstable.
39: // // see paf@six/bug20040920/cgi-bin/t for it-showed-bug-on-20040920-day
40: // #define PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
41: // #define PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
1.175 paf 42:
1.157 paf 43: // globals
1.32 paf 44:
1.5 paf 45: short hex_value[0x100];
1.111 paf 46:
1.5 paf 47: static void setup_hex_value() {
1.68 parser 48: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 49: hex_value['0'] = 0;
50: hex_value['1'] = 1;
51: hex_value['2'] = 2;
52: hex_value['3'] = 3;
53: hex_value['4'] = 4;
54: hex_value['5'] = 5;
55: hex_value['6'] = 6;
56: hex_value['7'] = 7;
57: hex_value['8'] = 8;
58: hex_value['9'] = 9;
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: hex_value['a'] = 10;
66: hex_value['b'] = 11;
67: hex_value['c'] = 12;
68: hex_value['d'] = 13;
69: hex_value['e'] = 14;
70: hex_value['f'] = 15;
71: }
1.1 paf 72:
1.185 moko 73: THREAD_LOCAL Request* thread_request=NULL;
1.162 paf 74:
75: void pa_register_thread_request(Request& r) {
1.185 moko 76: thread_request=&r;
1.162 paf 77: }
78: /// retrives request set by pa_set_request function, useful in contextless places [slow]
79: Request& pa_thread_request() {
1.185 moko 80: return *thread_request;
1.162 paf 81: }
1.176 paf 82:
83: #ifdef PA_RELEASE_ASSERTS
84: void pa_release_assert(const char* str, const char* file, int line) {
85: SAPI::die("%s at %s:%d", str, file, line);
86: }
87: #endif
88:
1.162 paf 89:
1.99 paf 90: #ifdef XML
1.101 paf 91:
1.157 paf 92: class XML_Generic_error_info {
1.173 paf 93: public:/*internal, actually*/
1.166 paf 94: char buf[MAX_STRING*5];
1.157 paf 95: size_t used;
96: public:
97: XML_Generic_error_info() {
98: buf[used=0]=0;
99: }
1.173 paf 100: const char* get() {
101: return used? buf: 0;
1.157 paf 102: }
1.162 paf 103: };
1.101 paf 104:
1.186 moko 105: THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL;
1.101 paf 106:
1.162 paf 107: static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
1.172 paf 108: XML_Generic_error_info* p;
1.186 moko 109:
110: if(!(p=xml_generic_error_info)) // occupy empty one
111: p=xml_generic_error_info=new(PointerFreeGC) XML_Generic_error_info;
1.101 paf 112:
1.172 paf 113: va_list args;
114: va_start(args, msg);
115: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
116: va_end(args);
1.101 paf 117: }
118:
1.102 paf 119: bool xmlHaveGenericErrors() {
1.186 moko 120: return xml_generic_error_info!=0;
1.102 paf 121: }
122:
1.157 paf 123: const char* xmlGenericErrors() {
1.186 moko 124: if(XML_Generic_error_info *p=xml_generic_error_info) {
125: xml_generic_error_info=0;
1.173 paf 126: return p->get();
127: }
1.110 paf 128:
1.162 paf 129: return 0; // no errors for our thread_id registered
1.150 paf 130: }
131:
1.99 paf 132: #endif
133:
1.157 paf 134: #ifdef XML
135:
136: static char *pa_GC_strdup(const char *s) {
137: if(!s)
138: return 0;
139:
140: size_t size=strlen(s)+1;
1.170 paf 141: char *result=(char *)GC_MALLOC_ATOMIC(size);
1.159 paf 142: if(!result)
1.184 misha 143: pa_fail_alloc("duplicate XML string",size);
1.159 paf 144:
1.157 paf 145: memcpy(result, s, size);
1.170 paf 146: #ifdef PA_DEBUG_XML_GC_MEMORY
147: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
148: #endif
1.157 paf 149: return result;
150: }
151:
152: #ifdef PA_DEBUG_XML_GC_MEMORY
1.175 paf 153: void *pa_look_for[]={(void*)0x84ba980,(void*)0x8969460,(void*)0x0,(void*)0x0,
1.157 paf 154: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
155: bool pa_looked(void*p) {
156: for(int i=0; i<8; i++)
1.175 paf 157: if(pa_look_for[i]==p) {
158: __asm__("int $3");
1.157 paf 159: return true;
1.175 paf 160: }
161: if((((int)p)&~0xFF)==0x89a7700) {
162: __asm__("int $3");
163: return true;
164: }
1.157 paf 165: return false;
166: }
167: static void* pa_gc_malloc_log(size_t size){
168: void *p=pa_gc_malloc(size);
169: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
1.175 paf 170: if(pa_looked(p))
171: fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
1.157 paf 172: return p;
173:
174: }
175: static void* pa_gc_malloc_atomic_log(size_t size){
1.175 paf 176: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
177: void *p=pa_gc_malloc(size);
178: fprintf(stderr, "pa_gc_malloc_atomicFAKE_log(%d)=0x%p\n", size, p);
179: #else
1.157 paf 180: void *p=pa_gc_malloc_atomic(size);
181: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
1.175 paf 182: #endif
183: if(pa_looked(p))
184: fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
1.157 paf 185: return p;
186: }
187: static void* pa_gc_realloc_log(void *ptr, size_t size){
188: void *p=pa_gc_realloc(ptr, size);
189: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
1.175 paf 190: if(pa_looked(p))
191: fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
1.157 paf 192: return p;
193: }
194: static void pa_gc_free_log(void *p){
1.175 paf 195: #ifdef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
196: fprintf(stderr, "pa_gc_freeIGNORE_log(0x%p)\n", p);
197: #else
1.157 paf 198: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
1.175 paf 199: #endif
200: if(pa_looked(p))
201: fprintf(stderr,"catched debug free(0x%p)\n", p);
202: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
1.157 paf 203: pa_gc_free(p);
1.175 paf 204: #endif
1.157 paf 205: }
1.159 paf 206: #else
207:
208: inline void *check(void *result, const char *where, size_t size) {
209: if(!result)
1.184 misha 210: pa_fail_alloc(where, size);
1.159 paf 211:
212: return result;
213: }
214: static void* pa_gc_malloc_nonull(size_t size) {
1.184 misha 215: return check(pa_gc_malloc(size), "allocate XML compsite memory", size);
1.159 paf 216: }
217: static void* pa_gc_malloc_atomic_nonull(size_t size) {
1.175 paf 218: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
1.184 misha 219: return check(pa_gc_malloc(size), "allocate XML composite memory (asked atomic)", size);
1.175 paf 220: #else
1.184 misha 221: return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size);
1.175 paf 222: #endif
1.159 paf 223: }
224: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
1.184 misha 225: return check(pa_gc_realloc(ptr, size), "reallocate XML memory", size);
1.159 paf 226: }
227:
1.175 paf 228: static void pa_gc_free_maybeignore(
229: void*
230: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
231: ptr
232: #endif
233: ) {
234: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
235: pa_gc_free(ptr);
236: #endif
237: }
238:
1.157 paf 239: #endif
240: #endif
241:
242: void pa_CORD_oom_fn(void) {
1.184 misha 243: pa_fail_alloc("expand string", 0);
1.157 paf 244: }
245:
246: /**
247: @todo gc: libltdl: substitute lt_dlmalloc & co
248: */
249: static void gc_substitute_memory_management_functions() {
250: // in libxml & libxslt
251: #ifdef XML
252: // asking to use GC memory
253: #if LIBXML_VERSION >= 20507
254: #ifdef PA_DEBUG_XML_GC_MEMORY
255: xmlGcMemSetup(
256: /*xmlFreeFunc */pa_gc_free_log,
257: /*xmlMallocFunc */pa_gc_malloc_log,
258: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
259: /*xmlReallocFunc */pa_gc_realloc_log,
260: /*xmlStrdupFunc */pa_GC_strdup);
261: #else
262: xmlGcMemSetup(
1.175 paf 263: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.159 paf 264: /*xmlMallocFunc */pa_gc_malloc_nonull,
265: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
266: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 267: /*xmlStrdupFunc */pa_GC_strdup);
268: #endif
1.32 paf 269:
1.157 paf 270: #else
271: xmlMemSetup(
1.175 paf 272: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.157 paf 273: /*xmlMallocFunc */pa_gc_malloc,
274: /*xmlReallocFunc */pa_gc_realloc,
275: /*xmlStrdupFunc */pa_GC_strdup);
276: #endif
1.5 paf 277:
1.157 paf 278: #endif
1.141 paf 279:
1.157 paf 280: // pcre
1.183 misha 281: pcre_malloc=pa_gc_malloc;
282: pcre_free=pa_gc_free;
1.135 paf 283:
1.1 paf 284:
1.157 paf 285: // cord
286: CORD_oom_fn=pa_CORD_oom_fn;
287: }
1.88 paf 288:
1.157 paf 289: /**
290: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
291: */
292: void pa_globals_init() {
1.164 paf 293: // global variables
294: cache_managers=new Cache_managers;
295:
296:
1.157 paf 297: // in various libraries
298: gc_substitute_memory_management_functions();
1.101 paf 299:
1.157 paf 300: // hex value
301: setup_hex_value();
1.74 parser 302:
1.76 parser 303: #ifdef XML
1.96 paf 304: // initializing xml libs
305:
1.157 paf 306: /*
307: * Register the EXSLT extensions and the test module
308: */
309: exsltRegisterAll();
310: xsltRegisterTestModule();
311: xmlDefaultSAXHandlerInit();
312: /*
313: * disable CDATA from being built in the document tree
314: */
315: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
316:
1.99 paf 317: /*
318: * Initialization function for the XML parser.
319: * This is not reentrant. Call once before processing in case of
320: * use in multithreaded programs.
321: */
322: xmlInitParser();
1.107 paf 323:
324: // 1. this is needed for proper parsing of stylesheets
325: // there were a situation where honest entity ruined innocent xpath compilation
326: // doc says "you sould turn it on on stylesheet load" without deepening into details
327: // 2. when dom tree with entites goes under transform text nodes
328: // got [erroreosly] cut on first entity occurance
1.109 paf 329: // --
1.107 paf 330: // that is why this is:
331: xmlSubstituteEntitiesDefault(1);
1.100 paf 332:
333: // Bit in the loadsubset context field to tell to do ID/REFs lookups
334: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
335: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
336: // with the ones defaulted from the DTDs
1.157 paf 337: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 338:
339: // validate each document after load/create (?)
340: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 341:
1.104 paf 342: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 343: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 344:
1.101 paf 345: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 346: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 347: // FILE *f=fopen("y:\\xslt.log", "wt");
348: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 349:
1.162 paf 350: pa_xml_io_init();
1.157 paf 351: #endif
1.174 paf 352: }
353:
1.188 ! moko 354: static bool is_dlinited=false;
! 355:
1.174 paf 356: void pa_globals_done() {
357: delete cache_managers; cache_managers=0;
1.188 ! moko 358: if(is_dlinited)
! 359: lt_dlexit();
! 360: }
! 361:
! 362: void pa_dlinit() {
! 363: if(!is_dlinited){
! 364: if(lt_dlinit())
! 365: throw Exception(0,0,"prepare to dynamic libary loading failed, %s", lt_dlerror());
! 366: is_dlinited=true;
! 367: }
1.157 paf 368: }
369:
370: #ifdef _MSC_VER
371:
372: #ifndef PA_DEBUG_DISABLE_GC
373: # define GC_LIB "../../../../win32/gc"
374: # ifdef _DEBUG
375: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
376: # else
377: # pragma comment(lib, GC_LIB "/Release/gc.lib")
378: # endif
1.96 paf 379:
1.76 parser 380: #endif
381:
1.181 paf 382: #define GNOME_LIBS "../../../../win32/gnome"
383:
384: #ifdef WITH_MAILRECEIVE
385: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
386: #endif
387:
1.157 paf 388: #ifdef XML
1.76 parser 389: # ifdef _DEBUG
1.157 paf 390:
391: # ifdef LIBXML_STATIC
1.168 paf 392: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
1.157 paf 393: # else
1.168 paf 394: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
1.157 paf 395: # endif
396:
397: # ifdef LIBXSLT_STATIC
1.168 paf 398: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
1.157 paf 399: # else
1.168 paf 400: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
1.157 paf 401: # endif
402: # ifdef LIBEXSLT_STATIC
1.168 paf 403: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
1.157 paf 404: # else
1.168 paf 405: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
1.157 paf 406: # endif
407:
408: #else
409:
410: # ifdef LIBXML_STATIC
1.168 paf 411: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
1.157 paf 412: # else
1.168 paf 413: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
1.157 paf 414: # endif
415:
416: # ifdef LIBXSLT_STATIC
1.168 paf 417: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
1.157 paf 418: # else
1.168 paf 419: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
1.157 paf 420: # endif
421: # ifdef LIBEXSLT_STATIC
1.168 paf 422: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
1.157 paf 423: # else
1.168 paf 424: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
1.157 paf 425: # endif
426:
1.85 paf 427: # endif
1.157 paf 428: #endif
429:
1.85 paf 430: #endif
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