Annotation of parser3/src/main/pa_globals.C, revision 1.190
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:
1.190 ! moko 31: volatile const char * IDENT_PA_GLOBALS_C="$Id: pa_globals.C,v 1.189 2013/07/21 14:22:54 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:
1.162 paf 83:
1.99 paf 84: #ifdef XML
1.101 paf 85:
1.157 paf 86: class XML_Generic_error_info {
1.173 paf 87: public:/*internal, actually*/
1.166 paf 88: char buf[MAX_STRING*5];
1.157 paf 89: size_t used;
90: public:
91: XML_Generic_error_info() {
92: buf[used=0]=0;
93: }
1.173 paf 94: const char* get() {
95: return used? buf: 0;
1.157 paf 96: }
1.162 paf 97: };
1.101 paf 98:
1.186 moko 99: THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL;
1.101 paf 100:
1.162 paf 101: static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
1.172 paf 102: XML_Generic_error_info* p;
1.186 moko 103:
104: if(!(p=xml_generic_error_info)) // occupy empty one
105: p=xml_generic_error_info=new(PointerFreeGC) XML_Generic_error_info;
1.101 paf 106:
1.172 paf 107: va_list args;
108: va_start(args, msg);
109: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
110: va_end(args);
1.101 paf 111: }
112:
1.102 paf 113: bool xmlHaveGenericErrors() {
1.186 moko 114: return xml_generic_error_info!=0;
1.102 paf 115: }
116:
1.157 paf 117: const char* xmlGenericErrors() {
1.186 moko 118: if(XML_Generic_error_info *p=xml_generic_error_info) {
119: xml_generic_error_info=0;
1.173 paf 120: return p->get();
121: }
1.110 paf 122:
1.162 paf 123: return 0; // no errors for our thread_id registered
1.150 paf 124: }
125:
1.99 paf 126: #endif
127:
1.157 paf 128: #ifdef XML
129:
130: static char *pa_GC_strdup(const char *s) {
131: if(!s)
132: return 0;
133:
134: size_t size=strlen(s)+1;
1.190 ! moko 135: char *result=(char *)pa_gc_malloc_atomic(size);
1.159 paf 136: if(!result)
1.184 misha 137: pa_fail_alloc("duplicate XML string",size);
1.159 paf 138:
1.157 paf 139: memcpy(result, s, size);
1.170 paf 140: #ifdef PA_DEBUG_XML_GC_MEMORY
141: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
142: #endif
1.157 paf 143: return result;
144: }
145:
146: #ifdef PA_DEBUG_XML_GC_MEMORY
1.175 paf 147: void *pa_look_for[]={(void*)0x84ba980,(void*)0x8969460,(void*)0x0,(void*)0x0,
1.157 paf 148: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
149: bool pa_looked(void*p) {
150: for(int i=0; i<8; i++)
1.175 paf 151: if(pa_look_for[i]==p) {
152: __asm__("int $3");
1.157 paf 153: return true;
1.175 paf 154: }
155: if((((int)p)&~0xFF)==0x89a7700) {
156: __asm__("int $3");
157: return true;
158: }
1.157 paf 159: return false;
160: }
161: static void* pa_gc_malloc_log(size_t size){
162: void *p=pa_gc_malloc(size);
163: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
1.175 paf 164: if(pa_looked(p))
165: fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
1.157 paf 166: return p;
167:
168: }
169: static void* pa_gc_malloc_atomic_log(size_t size){
1.175 paf 170: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
171: void *p=pa_gc_malloc(size);
172: fprintf(stderr, "pa_gc_malloc_atomicFAKE_log(%d)=0x%p\n", size, p);
173: #else
1.157 paf 174: void *p=pa_gc_malloc_atomic(size);
175: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
1.175 paf 176: #endif
177: if(pa_looked(p))
178: fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
1.157 paf 179: return p;
180: }
181: static void* pa_gc_realloc_log(void *ptr, size_t size){
182: void *p=pa_gc_realloc(ptr, size);
183: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
1.175 paf 184: if(pa_looked(p))
185: fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
1.157 paf 186: return p;
187: }
188: static void pa_gc_free_log(void *p){
1.175 paf 189: #ifdef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
190: fprintf(stderr, "pa_gc_freeIGNORE_log(0x%p)\n", p);
191: #else
1.157 paf 192: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
1.175 paf 193: #endif
194: if(pa_looked(p))
195: fprintf(stderr,"catched debug free(0x%p)\n", p);
196: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
1.157 paf 197: pa_gc_free(p);
1.175 paf 198: #endif
1.157 paf 199: }
1.159 paf 200: #else
201:
202: inline void *check(void *result, const char *where, size_t size) {
203: if(!result)
1.184 misha 204: pa_fail_alloc(where, size);
1.159 paf 205:
206: return result;
207: }
208: static void* pa_gc_malloc_nonull(size_t size) {
1.184 misha 209: return check(pa_gc_malloc(size), "allocate XML compsite memory", size);
1.159 paf 210: }
211: static void* pa_gc_malloc_atomic_nonull(size_t size) {
1.175 paf 212: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
1.184 misha 213: return check(pa_gc_malloc(size), "allocate XML composite memory (asked atomic)", size);
1.175 paf 214: #else
1.184 misha 215: return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size);
1.175 paf 216: #endif
1.159 paf 217: }
218: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
1.184 misha 219: return check(pa_gc_realloc(ptr, size), "reallocate XML memory", size);
1.159 paf 220: }
221:
1.175 paf 222: static void pa_gc_free_maybeignore(
223: void*
224: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
225: ptr
226: #endif
227: ) {
228: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
229: pa_gc_free(ptr);
230: #endif
231: }
232:
1.157 paf 233: #endif
234: #endif
235:
236: void pa_CORD_oom_fn(void) {
1.184 misha 237: pa_fail_alloc("expand string", 0);
1.157 paf 238: }
239:
240: /**
241: @todo gc: libltdl: substitute lt_dlmalloc & co
242: */
243: static void gc_substitute_memory_management_functions() {
244: // in libxml & libxslt
245: #ifdef XML
246: // asking to use GC memory
247: #if LIBXML_VERSION >= 20507
248: #ifdef PA_DEBUG_XML_GC_MEMORY
249: xmlGcMemSetup(
250: /*xmlFreeFunc */pa_gc_free_log,
251: /*xmlMallocFunc */pa_gc_malloc_log,
252: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
253: /*xmlReallocFunc */pa_gc_realloc_log,
254: /*xmlStrdupFunc */pa_GC_strdup);
255: #else
256: xmlGcMemSetup(
1.175 paf 257: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.159 paf 258: /*xmlMallocFunc */pa_gc_malloc_nonull,
259: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
260: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 261: /*xmlStrdupFunc */pa_GC_strdup);
262: #endif
1.32 paf 263:
1.157 paf 264: #else
265: xmlMemSetup(
1.175 paf 266: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.157 paf 267: /*xmlMallocFunc */pa_gc_malloc,
268: /*xmlReallocFunc */pa_gc_realloc,
269: /*xmlStrdupFunc */pa_GC_strdup);
270: #endif
1.5 paf 271:
1.157 paf 272: #endif
1.141 paf 273:
1.157 paf 274: // pcre
1.183 misha 275: pcre_malloc=pa_gc_malloc;
276: pcre_free=pa_gc_free;
1.135 paf 277:
1.1 paf 278:
1.157 paf 279: // cord
280: CORD_oom_fn=pa_CORD_oom_fn;
281: }
1.88 paf 282:
1.157 paf 283: /**
284: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
285: */
286: void pa_globals_init() {
1.164 paf 287: // global variables
288: cache_managers=new Cache_managers;
289:
290:
1.157 paf 291: // in various libraries
292: gc_substitute_memory_management_functions();
1.101 paf 293:
1.157 paf 294: // hex value
295: setup_hex_value();
1.74 parser 296:
1.76 parser 297: #ifdef XML
1.96 paf 298: // initializing xml libs
299:
1.157 paf 300: /*
301: * Register the EXSLT extensions and the test module
302: */
303: exsltRegisterAll();
304: xsltRegisterTestModule();
305: xmlDefaultSAXHandlerInit();
306: /*
307: * disable CDATA from being built in the document tree
308: */
309: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
310:
1.99 paf 311: /*
312: * Initialization function for the XML parser.
313: * This is not reentrant. Call once before processing in case of
314: * use in multithreaded programs.
315: */
316: xmlInitParser();
1.107 paf 317:
318: // 1. this is needed for proper parsing of stylesheets
319: // there were a situation where honest entity ruined innocent xpath compilation
320: // doc says "you sould turn it on on stylesheet load" without deepening into details
321: // 2. when dom tree with entites goes under transform text nodes
322: // got [erroreosly] cut on first entity occurance
1.109 paf 323: // --
1.107 paf 324: // that is why this is:
325: xmlSubstituteEntitiesDefault(1);
1.100 paf 326:
327: // Bit in the loadsubset context field to tell to do ID/REFs lookups
328: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
329: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
330: // with the ones defaulted from the DTDs
1.157 paf 331: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 332:
333: // validate each document after load/create (?)
334: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 335:
1.104 paf 336: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 337: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 338:
1.101 paf 339: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 340: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 341: // FILE *f=fopen("y:\\xslt.log", "wt");
342: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 343:
1.162 paf 344: pa_xml_io_init();
1.157 paf 345: #endif
1.174 paf 346: }
347:
1.188 moko 348: static bool is_dlinited=false;
349:
1.174 paf 350: void pa_globals_done() {
351: delete cache_managers; cache_managers=0;
1.188 moko 352: if(is_dlinited)
353: lt_dlexit();
354: }
355:
356: void pa_dlinit() {
357: if(!is_dlinited){
358: if(lt_dlinit())
359: throw Exception(0,0,"prepare to dynamic libary loading failed, %s", lt_dlerror());
360: is_dlinited=true;
361: }
1.157 paf 362: }
363:
364: #ifdef _MSC_VER
365:
366: #ifndef PA_DEBUG_DISABLE_GC
367: # define GC_LIB "../../../../win32/gc"
368: # ifdef _DEBUG
369: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
370: # else
371: # pragma comment(lib, GC_LIB "/Release/gc.lib")
372: # endif
1.96 paf 373:
1.76 parser 374: #endif
375:
1.181 paf 376: #define GNOME_LIBS "../../../../win32/gnome"
377:
378: #ifdef WITH_MAILRECEIVE
379: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
380: #endif
381:
1.157 paf 382: #ifdef XML
1.76 parser 383: # ifdef _DEBUG
1.157 paf 384:
385: # ifdef LIBXML_STATIC
1.168 paf 386: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
1.157 paf 387: # else
1.168 paf 388: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
1.157 paf 389: # endif
390:
391: # ifdef LIBXSLT_STATIC
1.168 paf 392: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
1.157 paf 393: # else
1.168 paf 394: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
1.157 paf 395: # endif
396: # ifdef LIBEXSLT_STATIC
1.168 paf 397: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
1.157 paf 398: # else
1.168 paf 399: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
1.157 paf 400: # endif
401:
402: #else
403:
404: # ifdef LIBXML_STATIC
1.168 paf 405: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
1.157 paf 406: # else
1.168 paf 407: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
1.157 paf 408: # endif
409:
410: # ifdef LIBXSLT_STATIC
1.168 paf 411: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
1.157 paf 412: # else
1.168 paf 413: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
1.157 paf 414: # endif
415: # ifdef LIBEXSLT_STATIC
1.168 paf 416: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
1.157 paf 417: # else
1.168 paf 418: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
1.157 paf 419: # endif
420:
1.85 paf 421: # endif
1.157 paf 422: #endif
423:
1.85 paf 424: #endif
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