Annotation of parser3/src/main/pa_globals.C, revision 1.186
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.177 paf 4: Copyright (c) 2001-2005 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:
1.186 ! moko 8: static const char * const IDENT_GLOBALS_C="$Date: 2010-11-24 00:20:47 $";
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:
1.1 paf 21: #include "pa_globals.h"
1.32 paf 22: #include "pa_string.h"
1.83 parser 23: #include "pa_sapi.h"
1.101 paf 24: #include "pa_threads.h"
1.162 paf 25: #include "pa_xml_io.h"
1.163 paf 26: #include "pa_common.h"
1.70 parser 27:
1.164 paf 28: #include "pa_cache_managers.h"
29:
1.182 misha 30: #include "pcre.h"
31:
1.157 paf 32: // defines
1.155 paf 33:
1.157 paf 34: //#define PA_DEBUG_XML_GC_MEMORY
1.95 paf 35:
1.178 paf 36: //20051130 trying to remove this, author claims that fixed a lot there // 20040920 for now both workarounds needed. wait for new libxml/xsl versions
37: // // there is a problem with testcase, it's unstable.
38: // // see paf@six/bug20040920/cgi-bin/t for it-showed-bug-on-20040920-day
39: // #define PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
40: // #define PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
1.175 paf 41:
1.157 paf 42: // globals
1.32 paf 43:
1.5 paf 44: short hex_value[0x100];
1.111 paf 45:
1.5 paf 46: static void setup_hex_value() {
1.68 parser 47: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 48: hex_value['0'] = 0;
49: hex_value['1'] = 1;
50: hex_value['2'] = 2;
51: hex_value['3'] = 3;
52: hex_value['4'] = 4;
53: hex_value['5'] = 5;
54: hex_value['6'] = 6;
55: hex_value['7'] = 7;
56: hex_value['8'] = 8;
57: hex_value['9'] = 9;
58: hex_value['A'] = 10;
59: hex_value['B'] = 11;
60: hex_value['C'] = 12;
61: hex_value['D'] = 13;
62: hex_value['E'] = 14;
63: hex_value['F'] = 15;
64: hex_value['a'] = 10;
65: hex_value['b'] = 11;
66: hex_value['c'] = 12;
67: hex_value['d'] = 13;
68: hex_value['e'] = 14;
69: hex_value['f'] = 15;
70: }
1.1 paf 71:
1.185 moko 72: THREAD_LOCAL Request* thread_request=NULL;
1.162 paf 73:
74: void pa_register_thread_request(Request& r) {
1.185 moko 75: thread_request=&r;
1.162 paf 76: }
77: /// retrives request set by pa_set_request function, useful in contextless places [slow]
78: Request& pa_thread_request() {
1.185 moko 79: return *thread_request;
1.162 paf 80: }
1.176 paf 81:
82: #ifdef PA_RELEASE_ASSERTS
83: void pa_release_assert(const char* str, const char* file, int line) {
84: SAPI::die("%s at %s:%d", str, file, line);
85: }
86: #endif
87:
1.162 paf 88:
1.99 paf 89: #ifdef XML
1.101 paf 90:
1.157 paf 91: class XML_Generic_error_info {
1.173 paf 92: public:/*internal, actually*/
1.166 paf 93: char buf[MAX_STRING*5];
1.157 paf 94: size_t used;
95: public:
96: XML_Generic_error_info() {
97: buf[used=0]=0;
98: }
1.173 paf 99: const char* get() {
100: return used? buf: 0;
1.157 paf 101: }
1.162 paf 102: };
1.101 paf 103:
1.186 ! moko 104: THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL;
1.101 paf 105:
1.162 paf 106: static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
1.172 paf 107: XML_Generic_error_info* p;
1.186 ! moko 108:
! 109: if(!(p=xml_generic_error_info)) // occupy empty one
! 110: p=xml_generic_error_info=new(PointerFreeGC) XML_Generic_error_info;
1.101 paf 111:
1.172 paf 112: va_list args;
113: va_start(args, msg);
114: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
115: va_end(args);
1.101 paf 116: }
117:
1.102 paf 118: bool xmlHaveGenericErrors() {
1.186 ! moko 119: return xml_generic_error_info!=0;
1.102 paf 120: }
121:
1.157 paf 122: const char* xmlGenericErrors() {
1.186 ! moko 123: if(XML_Generic_error_info *p=xml_generic_error_info) {
! 124: xml_generic_error_info=0;
1.173 paf 125: return p->get();
126: }
1.110 paf 127:
1.162 paf 128: return 0; // no errors for our thread_id registered
1.150 paf 129: }
130:
1.99 paf 131: #endif
132:
1.157 paf 133: #ifdef XML
134:
135: static char *pa_GC_strdup(const char *s) {
136: if(!s)
137: return 0;
138:
139: size_t size=strlen(s)+1;
1.170 paf 140: char *result=(char *)GC_MALLOC_ATOMIC(size);
1.159 paf 141: if(!result)
1.184 misha 142: pa_fail_alloc("duplicate XML string",size);
1.159 paf 143:
1.157 paf 144: memcpy(result, s, size);
1.170 paf 145: #ifdef PA_DEBUG_XML_GC_MEMORY
146: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
147: #endif
1.157 paf 148: return result;
149: }
150:
151: #ifdef PA_DEBUG_XML_GC_MEMORY
1.175 paf 152: void *pa_look_for[]={(void*)0x84ba980,(void*)0x8969460,(void*)0x0,(void*)0x0,
1.157 paf 153: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
154: bool pa_looked(void*p) {
155: for(int i=0; i<8; i++)
1.175 paf 156: if(pa_look_for[i]==p) {
157: __asm__("int $3");
1.157 paf 158: return true;
1.175 paf 159: }
160: if((((int)p)&~0xFF)==0x89a7700) {
161: __asm__("int $3");
162: return true;
163: }
1.157 paf 164: return false;
165: }
166: static void* pa_gc_malloc_log(size_t size){
167: void *p=pa_gc_malloc(size);
168: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
1.175 paf 169: if(pa_looked(p))
170: fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
1.157 paf 171: return p;
172:
173: }
174: static void* pa_gc_malloc_atomic_log(size_t size){
1.175 paf 175: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
176: void *p=pa_gc_malloc(size);
177: fprintf(stderr, "pa_gc_malloc_atomicFAKE_log(%d)=0x%p\n", size, p);
178: #else
1.157 paf 179: void *p=pa_gc_malloc_atomic(size);
180: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
1.175 paf 181: #endif
182: if(pa_looked(p))
183: fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
1.157 paf 184: return p;
185: }
186: static void* pa_gc_realloc_log(void *ptr, size_t size){
187: void *p=pa_gc_realloc(ptr, size);
188: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
1.175 paf 189: if(pa_looked(p))
190: fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
1.157 paf 191: return p;
192: }
193: static void pa_gc_free_log(void *p){
1.175 paf 194: #ifdef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
195: fprintf(stderr, "pa_gc_freeIGNORE_log(0x%p)\n", p);
196: #else
1.157 paf 197: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
1.175 paf 198: #endif
199: if(pa_looked(p))
200: fprintf(stderr,"catched debug free(0x%p)\n", p);
201: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
1.157 paf 202: pa_gc_free(p);
1.175 paf 203: #endif
1.157 paf 204: }
1.159 paf 205: #else
206:
207: inline void *check(void *result, const char *where, size_t size) {
208: if(!result)
1.184 misha 209: pa_fail_alloc(where, size);
1.159 paf 210:
211: return result;
212: }
213: static void* pa_gc_malloc_nonull(size_t size) {
1.184 misha 214: return check(pa_gc_malloc(size), "allocate XML compsite memory", size);
1.159 paf 215: }
216: static void* pa_gc_malloc_atomic_nonull(size_t size) {
1.175 paf 217: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
1.184 misha 218: return check(pa_gc_malloc(size), "allocate XML composite memory (asked atomic)", size);
1.175 paf 219: #else
1.184 misha 220: return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size);
1.175 paf 221: #endif
1.159 paf 222: }
223: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
1.184 misha 224: return check(pa_gc_realloc(ptr, size), "reallocate XML memory", size);
1.159 paf 225: }
226:
1.175 paf 227: static void pa_gc_free_maybeignore(
228: void*
229: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
230: ptr
231: #endif
232: ) {
233: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
234: pa_gc_free(ptr);
235: #endif
236: }
237:
1.157 paf 238: #endif
239: #endif
240:
241: void pa_CORD_oom_fn(void) {
1.184 misha 242: pa_fail_alloc("expand string", 0);
1.157 paf 243: }
244:
245: /**
246: @todo gc: libltdl: substitute lt_dlmalloc & co
247: */
248: static void gc_substitute_memory_management_functions() {
249: // in libxml & libxslt
250: #ifdef XML
251: // asking to use GC memory
252: #if LIBXML_VERSION >= 20507
253: #ifdef PA_DEBUG_XML_GC_MEMORY
254: xmlGcMemSetup(
255: /*xmlFreeFunc */pa_gc_free_log,
256: /*xmlMallocFunc */pa_gc_malloc_log,
257: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
258: /*xmlReallocFunc */pa_gc_realloc_log,
259: /*xmlStrdupFunc */pa_GC_strdup);
260: #else
261: xmlGcMemSetup(
1.175 paf 262: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.159 paf 263: /*xmlMallocFunc */pa_gc_malloc_nonull,
264: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
265: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 266: /*xmlStrdupFunc */pa_GC_strdup);
267: #endif
1.32 paf 268:
1.157 paf 269: #else
270: xmlMemSetup(
1.175 paf 271: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.157 paf 272: /*xmlMallocFunc */pa_gc_malloc,
273: /*xmlReallocFunc */pa_gc_realloc,
274: /*xmlStrdupFunc */pa_GC_strdup);
275: #endif
1.5 paf 276:
1.157 paf 277: #endif
1.141 paf 278:
1.157 paf 279: // pcre
1.183 misha 280: pcre_malloc=pa_gc_malloc;
281: pcre_free=pa_gc_free;
1.135 paf 282:
1.1 paf 283:
1.157 paf 284: // cord
285: CORD_oom_fn=pa_CORD_oom_fn;
286: }
1.88 paf 287:
1.157 paf 288: /**
289: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
290: */
291: void pa_globals_init() {
1.164 paf 292: // global variables
293: cache_managers=new Cache_managers;
294:
295:
1.157 paf 296: // in various libraries
297: gc_substitute_memory_management_functions();
1.101 paf 298:
1.157 paf 299: // hex value
300: setup_hex_value();
1.74 parser 301:
1.76 parser 302: #ifdef XML
1.96 paf 303: // initializing xml libs
304:
1.157 paf 305: /*
306: * Register the EXSLT extensions and the test module
307: */
308: exsltRegisterAll();
309: xsltRegisterTestModule();
310: xmlDefaultSAXHandlerInit();
311: /*
312: * disable CDATA from being built in the document tree
313: */
314: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
315:
1.99 paf 316: /*
317: * Initialization function for the XML parser.
318: * This is not reentrant. Call once before processing in case of
319: * use in multithreaded programs.
320: */
321: xmlInitParser();
1.107 paf 322:
323: // 1. this is needed for proper parsing of stylesheets
324: // there were a situation where honest entity ruined innocent xpath compilation
325: // doc says "you sould turn it on on stylesheet load" without deepening into details
326: // 2. when dom tree with entites goes under transform text nodes
327: // got [erroreosly] cut on first entity occurance
1.109 paf 328: // --
1.107 paf 329: // that is why this is:
330: xmlSubstituteEntitiesDefault(1);
1.100 paf 331:
332: // Bit in the loadsubset context field to tell to do ID/REFs lookups
333: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
334: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
335: // with the ones defaulted from the DTDs
1.157 paf 336: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 337:
338: // validate each document after load/create (?)
339: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 340:
1.104 paf 341: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 342: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 343:
1.101 paf 344: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 345: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 346: // FILE *f=fopen("y:\\xslt.log", "wt");
347: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 348:
1.162 paf 349: pa_xml_io_init();
1.157 paf 350: #endif
1.174 paf 351: }
352:
353: void pa_globals_done() {
354: delete cache_managers; cache_managers=0;
1.157 paf 355: }
356:
357: #ifdef _MSC_VER
358:
359: #ifndef PA_DEBUG_DISABLE_GC
360: # define GC_LIB "../../../../win32/gc"
361: # ifdef _DEBUG
362: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
363: # else
364: # pragma comment(lib, GC_LIB "/Release/gc.lib")
365: # endif
1.96 paf 366:
1.76 parser 367: #endif
368:
1.181 paf 369: #define GNOME_LIBS "../../../../win32/gnome"
370:
371: #ifdef WITH_MAILRECEIVE
372: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
373: #endif
374:
1.157 paf 375: #ifdef XML
1.76 parser 376: # ifdef _DEBUG
1.157 paf 377:
378: # ifdef LIBXML_STATIC
1.168 paf 379: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
1.157 paf 380: # else
1.168 paf 381: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
1.157 paf 382: # endif
383:
384: # ifdef LIBXSLT_STATIC
1.168 paf 385: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
1.157 paf 386: # else
1.168 paf 387: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
1.157 paf 388: # endif
389: # ifdef LIBEXSLT_STATIC
1.168 paf 390: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
1.157 paf 391: # else
1.168 paf 392: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
1.157 paf 393: # endif
394:
395: #else
396:
397: # ifdef LIBXML_STATIC
1.168 paf 398: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
1.157 paf 399: # else
1.168 paf 400: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
1.157 paf 401: # endif
402:
403: # ifdef LIBXSLT_STATIC
1.168 paf 404: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
1.157 paf 405: # else
1.168 paf 406: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
1.157 paf 407: # endif
408: # ifdef LIBEXSLT_STATIC
1.168 paf 409: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
1.157 paf 410: # else
1.168 paf 411: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
1.157 paf 412: # endif
413:
1.85 paf 414: # endif
1.157 paf 415: #endif
416:
1.85 paf 417: #endif
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