Annotation of parser3/src/main/pa_globals.C, revision 1.172
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.171 paf 4: Copyright (c) 2001-2004 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:
1.172 ! paf 8: static const char * const IDENT_GLOBALS_C="$Date: 2004/02/11 15:33:16 $";
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"
1.162 paf 27: #include "pa_xml_io.h"
1.163 paf 28: #include "pa_common.h"
1.70 parser 29:
1.164 paf 30: #include "pa_cache_managers.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:
1.157 paf 36: // globals
1.32 paf 37:
1.5 paf 38: short hex_value[0x100];
1.111 paf 39:
40: #ifdef XML
41: GdomeDOMImplementation *domimpl;
42: #endif
1.5 paf 43:
44: static void setup_hex_value() {
1.68 parser 45: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 46: hex_value['0'] = 0;
47: hex_value['1'] = 1;
48: hex_value['2'] = 2;
49: hex_value['3'] = 3;
50: hex_value['4'] = 4;
51: hex_value['5'] = 5;
52: hex_value['6'] = 6;
53: hex_value['7'] = 7;
54: hex_value['8'] = 8;
55: hex_value['9'] = 9;
56: hex_value['A'] = 10;
57: hex_value['B'] = 11;
58: hex_value['C'] = 12;
59: hex_value['D'] = 13;
60: hex_value['E'] = 14;
61: hex_value['F'] = 15;
62: hex_value['a'] = 10;
63: hex_value['b'] = 11;
64: hex_value['c'] = 12;
65: hex_value['d'] = 13;
66: hex_value['e'] = 14;
67: hex_value['f'] = 15;
68: }
1.1 paf 69:
1.162 paf 70:
71: Hash<pa_thread_t, Request*> thread_request;
72: void pa_register_thread_request(Request& r) {
73: thread_request.put(pa_get_thread_id(), &r);
74: }
75: /// retrives request set by pa_set_request function, useful in contextless places [slow]
76: Request& pa_thread_request() {
77: return *thread_request.get(pa_get_thread_id());
78: }
79:
1.99 paf 80: #ifdef XML
1.101 paf 81:
1.157 paf 82: class XML_Generic_error_info {
83: public:
1.166 paf 84: char buf[MAX_STRING*5];
1.157 paf 85: size_t used;
86: public:
87: XML_Generic_error_info() {
88: reset();
89: }
90: void reset() {
91: buf[used=0]=0;
92: }
93: const char* get_and_reset() {
1.165 paf 94: if(used) {
95: char* result=pa_strdup(buf, used);
96: reset();
97: return result;
98: } else
99: return 0;
1.157 paf 100: }
1.162 paf 101: };
1.101 paf 102:
1.172 ! paf 103: static Hash<pa_thread_t, XML_Generic_error_info*> xml_generic_error_infos;
1.101 paf 104:
1.162 paf 105: static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
106: //_asm int 3;
1.157 paf 107: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 108:
1.172 ! paf 109: XML_Generic_error_info* p;
! 110: {
1.101 paf 111: SYNCHRONIZED; // find+fill blocked
112:
113: // first try to get existing for this thread_id
1.172 ! paf 114: p=xml_generic_error_infos.get(thread_id);
1.162 paf 115: if(!p) // occupy empty one
116: xml_generic_error_infos.put(thread_id, (p=new(PointerFreeGC) XML_Generic_error_info));
1.172 ! paf 117: }
1.101 paf 118:
1.172 ! paf 119: va_list args;
! 120: va_start(args, msg);
! 121: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
! 122: va_end(args);
1.101 paf 123: }
124:
1.102 paf 125: bool xmlHaveGenericErrors() {
1.157 paf 126: pa_thread_t thread_id=pa_get_thread_id();
1.102 paf 127:
128: SYNCHRONIZED; // find blocked
129:
1.162 paf 130: return xml_generic_error_infos.get(thread_id)!=0;
1.102 paf 131: }
132:
1.157 paf 133: const char* xmlGenericErrors() {
134: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 135:
136: SYNCHRONIZED; // find+free blocked
137:
1.162 paf 138: if(XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id))
139: return p->get_and_reset();
1.110 paf 140:
1.162 paf 141: return 0; // no errors for our thread_id registered
1.150 paf 142: }
143:
1.99 paf 144: #endif
145:
1.83 parser 146: void pa_globals_destroy(void *) {
147: try {
1.96 paf 148: #ifdef XML
149: GdomeException exc;
150: gdome_di_unref (domimpl, &exc);
1.160 paf 151: // uncomment SAPI::abort below if adding potential-throw code here
1.96 paf 152: #endif
1.83 parser 153: } catch(const Exception& e) {
1.160 paf 154: // SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 155: }
156: }
157:
158:
1.157 paf 159: #ifdef XML
160:
161: static char *pa_GC_strdup(const char *s) {
162: if(!s)
163: return 0;
164:
165: size_t size=strlen(s)+1;
1.170 paf 166: char *result=(char *)GC_MALLOC_ATOMIC(size);
1.159 paf 167: if(!result)
168: SAPI::abort("out of memory (while duplicating XML string [size=%d])", size);
169:
1.157 paf 170: memcpy(result, s, size);
1.170 paf 171: #ifdef PA_DEBUG_XML_GC_MEMORY
172: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
173: #endif
1.157 paf 174: return result;
175: }
176:
177: #ifdef PA_DEBUG_XML_GC_MEMORY
178: void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0,
179: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
180: bool pa_looked(void*p) {
181: for(int i=0; i<8; i++)
182: if(pa_look_for[i]==p)
183: return true;
184: return false;
185: }
186: static void* pa_gc_malloc_log(size_t size){
187: void *p=pa_gc_malloc(size);
188: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
189: // if(pa_looked(p))
190: // fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
191: return p;
192:
193: }
194: static void* pa_gc_malloc_atomic_log(size_t size){
195: void *p=pa_gc_malloc_atomic(size);
196: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
197: // if(pa_looked(p))
198: // fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
199: return p;
200: }
201: static void* pa_gc_realloc_log(void *ptr, size_t size){
202: void *p=pa_gc_realloc(ptr, size);
203: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
204: // if(pa_looked(p))
205: // fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
206: return p;
207: }
208: //static void pa_gc_free_ignore(void *){}
209: static void pa_gc_free_log(void *p){
210: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
211: // if(pa_looked(p))
212: // fprintf(stderr,"catched debug free(0x%p)\n", p);
213: pa_gc_free(p);
214: }
1.159 paf 215: #else
216:
217: inline void *check(void *result, const char *where, size_t size) {
218: if(!result)
219: SAPI::abort("out of memory (while %s [size=%d])", where, size);
220:
221: return result;
222: }
223: static void* pa_gc_malloc_nonull(size_t size) {
224: return check(pa_gc_malloc(size), "allocating XML compsite memory", size);
225: }
226: static void* pa_gc_malloc_atomic_nonull(size_t size) {
227: return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size);
228: }
229: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
230: return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size);
231: }
232:
1.157 paf 233: #endif
234: #endif
235:
236: void pa_CORD_oom_fn(void) {
237: SAPI::abort("out of memory (while expanding string)");
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(
257: /*xmlFreeFunc */pa_gc_free,
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(
266: /*xmlFreeFunc */pa_gc_free,
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
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: /* First get a DOMImplementation reference */
1.96 paf 301: domimpl = gdome_di_mkref ();
1.157 paf 302: /*
303: * Register the EXSLT extensions and the test module
304: */
305: exsltRegisterAll();
306: xsltRegisterTestModule();
307: xmlDefaultSAXHandlerInit();
308: /*
309: * disable CDATA from being built in the document tree
310: */
311: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
312:
1.99 paf 313: /*
314: * Initialization function for the XML parser.
315: * This is not reentrant. Call once before processing in case of
316: * use in multithreaded programs.
317: */
318: xmlInitParser();
1.107 paf 319:
320: // 1. this is needed for proper parsing of stylesheets
321: // there were a situation where honest entity ruined innocent xpath compilation
322: // doc says "you sould turn it on on stylesheet load" without deepening into details
323: // 2. when dom tree with entites goes under transform text nodes
324: // got [erroreosly] cut on first entity occurance
1.109 paf 325: // --
1.107 paf 326: // that is why this is:
327: xmlSubstituteEntitiesDefault(1);
1.100 paf 328:
329: // Bit in the loadsubset context field to tell to do ID/REFs lookups
330: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
331: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
332: // with the ones defaulted from the DTDs
1.157 paf 333: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 334:
335: // validate each document after load/create (?)
336: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 337:
1.104 paf 338: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 339: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 340:
1.101 paf 341: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 342: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 343: // FILE *f=fopen("y:\\xslt.log", "wt");
344: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 345:
1.162 paf 346: pa_xml_io_init();
1.157 paf 347: #endif
348: }
349:
350: #ifdef _MSC_VER
351:
352: #ifndef PA_DEBUG_DISABLE_GC
353: # define GC_LIB "../../../../win32/gc"
354: # ifdef _DEBUG
355: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
356: # else
357: # pragma comment(lib, GC_LIB "/Release/gc.lib")
358: # endif
1.96 paf 359:
1.76 parser 360: #endif
361:
1.157 paf 362: #ifdef XML
1.158 paf 363: # define GNOME_LIBS "../../../../win32/gnome"
1.131 paf 364: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 365: # ifdef _DEBUG
1.157 paf 366:
367: # ifdef LIBXML_STATIC
1.168 paf 368: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
1.157 paf 369: # else
1.168 paf 370: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
1.157 paf 371: # endif
372:
373: # ifdef LIBXSLT_STATIC
1.168 paf 374: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
1.157 paf 375: # else
1.168 paf 376: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
1.157 paf 377: # endif
378: # ifdef LIBEXSLT_STATIC
1.168 paf 379: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
1.157 paf 380: # else
1.168 paf 381: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
1.157 paf 382: # endif
383:
384: # ifdef LIBGDOME_STATIC
1.169 paf 385: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugStatic/libgdome.lib")
1.157 paf 386: # else
1.169 paf 387: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugDynamic/libgdome.lib")
1.157 paf 388: # endif
389:
390: #else
391:
392: # ifdef LIBXML_STATIC
1.168 paf 393: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
1.157 paf 394: # else
1.168 paf 395: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
1.157 paf 396: # endif
397:
398: # ifdef LIBXSLT_STATIC
1.168 paf 399: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
1.157 paf 400: # else
1.168 paf 401: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
1.157 paf 402: # endif
403: # ifdef LIBEXSLT_STATIC
1.168 paf 404: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
1.157 paf 405: # else
1.168 paf 406: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
1.157 paf 407: # endif
408:
409: # ifdef LIBGDOME_STATIC
1.169 paf 410: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseStatic/libgdome.lib")
1.157 paf 411: # else
1.169 paf 412: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseDynamic/libgdome.lib")
1.157 paf 413: # endif
414:
1.85 paf 415: # endif
1.157 paf 416: #endif
417:
1.85 paf 418: #endif
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