Annotation of parser3/src/main/pa_globals.C, revision 1.173
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:
1.173 ! paf 8: static const char * const IDENT_GLOBALS_C="$Date: 2004/02/13 14:01:08 $";
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 {
1.173 ! paf 83: public:/*internal, actually*/
1.166 paf 84: char buf[MAX_STRING*5];
1.157 paf 85: size_t used;
86: public:
87: XML_Generic_error_info() {
88: buf[used=0]=0;
89: }
1.173 ! paf 90: const char* get() {
! 91: return used? buf: 0;
1.157 paf 92: }
1.162 paf 93: };
1.101 paf 94:
1.172 paf 95: static Hash<pa_thread_t, XML_Generic_error_info*> xml_generic_error_infos;
1.101 paf 96:
1.162 paf 97: static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
98: //_asm int 3;
1.157 paf 99: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 100:
1.172 paf 101: XML_Generic_error_info* p;
102: {
1.101 paf 103: SYNCHRONIZED; // find+fill blocked
104:
105: // first try to get existing for this thread_id
1.172 paf 106: p=xml_generic_error_infos.get(thread_id);
1.162 paf 107: if(!p) // occupy empty one
108: xml_generic_error_infos.put(thread_id, (p=new(PointerFreeGC) XML_Generic_error_info));
1.172 paf 109: }
1.101 paf 110:
1.172 paf 111: va_list args;
112: va_start(args, msg);
113: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
114: va_end(args);
1.101 paf 115: }
116:
1.102 paf 117: bool xmlHaveGenericErrors() {
1.157 paf 118: pa_thread_t thread_id=pa_get_thread_id();
1.102 paf 119:
120: SYNCHRONIZED; // find blocked
121:
1.162 paf 122: return xml_generic_error_infos.get(thread_id)!=0;
1.102 paf 123: }
124:
1.157 paf 125: const char* xmlGenericErrors() {
126: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 127:
128: SYNCHRONIZED; // find+free blocked
129:
1.173 ! paf 130: if(XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id)) {
! 131: xml_generic_error_infos.remove(thread_id);
! 132: return p->get();
! 133: }
1.110 paf 134:
1.162 paf 135: return 0; // no errors for our thread_id registered
1.150 paf 136: }
137:
1.99 paf 138: #endif
139:
1.83 parser 140: void pa_globals_destroy(void *) {
141: try {
1.96 paf 142: #ifdef XML
143: GdomeException exc;
144: gdome_di_unref (domimpl, &exc);
1.160 paf 145: // uncomment SAPI::abort below if adding potential-throw code here
1.96 paf 146: #endif
1.83 parser 147: } catch(const Exception& e) {
1.160 paf 148: // SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 149: }
150: }
151:
152:
1.157 paf 153: #ifdef XML
154:
155: static char *pa_GC_strdup(const char *s) {
156: if(!s)
157: return 0;
158:
159: size_t size=strlen(s)+1;
1.170 paf 160: char *result=(char *)GC_MALLOC_ATOMIC(size);
1.159 paf 161: if(!result)
162: SAPI::abort("out of memory (while duplicating XML string [size=%d])", size);
163:
1.157 paf 164: memcpy(result, s, size);
1.170 paf 165: #ifdef PA_DEBUG_XML_GC_MEMORY
166: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
167: #endif
1.157 paf 168: return result;
169: }
170:
171: #ifdef PA_DEBUG_XML_GC_MEMORY
172: void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0,
173: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
174: bool pa_looked(void*p) {
175: for(int i=0; i<8; i++)
176: if(pa_look_for[i]==p)
177: return true;
178: return false;
179: }
180: static void* pa_gc_malloc_log(size_t size){
181: void *p=pa_gc_malloc(size);
182: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
183: // if(pa_looked(p))
184: // fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
185: return p;
186:
187: }
188: static void* pa_gc_malloc_atomic_log(size_t size){
189: void *p=pa_gc_malloc_atomic(size);
190: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
191: // if(pa_looked(p))
192: // fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
193: return p;
194: }
195: static void* pa_gc_realloc_log(void *ptr, size_t size){
196: void *p=pa_gc_realloc(ptr, size);
197: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
198: // if(pa_looked(p))
199: // fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
200: return p;
201: }
202: //static void pa_gc_free_ignore(void *){}
203: static void pa_gc_free_log(void *p){
204: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
205: // if(pa_looked(p))
206: // fprintf(stderr,"catched debug free(0x%p)\n", p);
207: pa_gc_free(p);
208: }
1.159 paf 209: #else
210:
211: inline void *check(void *result, const char *where, size_t size) {
212: if(!result)
213: SAPI::abort("out of memory (while %s [size=%d])", where, size);
214:
215: return result;
216: }
217: static void* pa_gc_malloc_nonull(size_t size) {
218: return check(pa_gc_malloc(size), "allocating XML compsite memory", size);
219: }
220: static void* pa_gc_malloc_atomic_nonull(size_t size) {
221: return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size);
222: }
223: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
224: return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size);
225: }
226:
1.157 paf 227: #endif
228: #endif
229:
230: void pa_CORD_oom_fn(void) {
231: SAPI::abort("out of memory (while expanding string)");
232: }
233:
234: /**
235: @todo gc: libltdl: substitute lt_dlmalloc & co
236: */
237: static void gc_substitute_memory_management_functions() {
238: // in libxml & libxslt
239: #ifdef XML
240: // asking to use GC memory
241: #if LIBXML_VERSION >= 20507
242: #ifdef PA_DEBUG_XML_GC_MEMORY
243: xmlGcMemSetup(
244: /*xmlFreeFunc */pa_gc_free_log,
245: /*xmlMallocFunc */pa_gc_malloc_log,
246: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
247: /*xmlReallocFunc */pa_gc_realloc_log,
248: /*xmlStrdupFunc */pa_GC_strdup);
249: #else
250: xmlGcMemSetup(
251: /*xmlFreeFunc */pa_gc_free,
1.159 paf 252: /*xmlMallocFunc */pa_gc_malloc_nonull,
253: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
254: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 255: /*xmlStrdupFunc */pa_GC_strdup);
256: #endif
1.32 paf 257:
1.157 paf 258: #else
259: xmlMemSetup(
260: /*xmlFreeFunc */pa_gc_free,
261: /*xmlMallocFunc */pa_gc_malloc,
262: /*xmlReallocFunc */pa_gc_realloc,
263: /*xmlStrdupFunc */pa_GC_strdup);
264: #endif
1.5 paf 265:
1.157 paf 266: #endif
1.141 paf 267:
1.157 paf 268: // pcre
269: pcre_malloc=pa_gc_malloc;
270: pcre_free=pa_gc_free;
1.135 paf 271:
1.1 paf 272:
1.157 paf 273: // cord
274: CORD_oom_fn=pa_CORD_oom_fn;
275: }
1.88 paf 276:
1.157 paf 277: /**
278: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
279: */
280: void pa_globals_init() {
1.164 paf 281: // global variables
282: cache_managers=new Cache_managers;
283:
284:
1.157 paf 285: // in various libraries
286: gc_substitute_memory_management_functions();
1.101 paf 287:
1.157 paf 288: // hex value
289: setup_hex_value();
1.74 parser 290:
1.76 parser 291: #ifdef XML
1.96 paf 292: // initializing xml libs
293:
1.157 paf 294: /* First get a DOMImplementation reference */
1.96 paf 295: domimpl = gdome_di_mkref ();
1.157 paf 296: /*
297: * Register the EXSLT extensions and the test module
298: */
299: exsltRegisterAll();
300: xsltRegisterTestModule();
301: xmlDefaultSAXHandlerInit();
302: /*
303: * disable CDATA from being built in the document tree
304: */
305: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
306:
1.99 paf 307: /*
308: * Initialization function for the XML parser.
309: * This is not reentrant. Call once before processing in case of
310: * use in multithreaded programs.
311: */
312: xmlInitParser();
1.107 paf 313:
314: // 1. this is needed for proper parsing of stylesheets
315: // there were a situation where honest entity ruined innocent xpath compilation
316: // doc says "you sould turn it on on stylesheet load" without deepening into details
317: // 2. when dom tree with entites goes under transform text nodes
318: // got [erroreosly] cut on first entity occurance
1.109 paf 319: // --
1.107 paf 320: // that is why this is:
321: xmlSubstituteEntitiesDefault(1);
1.100 paf 322:
323: // Bit in the loadsubset context field to tell to do ID/REFs lookups
324: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
325: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
326: // with the ones defaulted from the DTDs
1.157 paf 327: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 328:
329: // validate each document after load/create (?)
330: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 331:
1.104 paf 332: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 333: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 334:
1.101 paf 335: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 336: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 337: // FILE *f=fopen("y:\\xslt.log", "wt");
338: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 339:
1.162 paf 340: pa_xml_io_init();
1.157 paf 341: #endif
342: }
343:
344: #ifdef _MSC_VER
345:
346: #ifndef PA_DEBUG_DISABLE_GC
347: # define GC_LIB "../../../../win32/gc"
348: # ifdef _DEBUG
349: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
350: # else
351: # pragma comment(lib, GC_LIB "/Release/gc.lib")
352: # endif
1.96 paf 353:
1.76 parser 354: #endif
355:
1.157 paf 356: #ifdef XML
1.158 paf 357: # define GNOME_LIBS "../../../../win32/gnome"
1.131 paf 358: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 359: # ifdef _DEBUG
1.157 paf 360:
361: # ifdef LIBXML_STATIC
1.168 paf 362: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
1.157 paf 363: # else
1.168 paf 364: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
1.157 paf 365: # endif
366:
367: # ifdef LIBXSLT_STATIC
1.168 paf 368: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
1.157 paf 369: # else
1.168 paf 370: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
1.157 paf 371: # endif
372: # ifdef LIBEXSLT_STATIC
1.168 paf 373: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
1.157 paf 374: # else
1.168 paf 375: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
1.157 paf 376: # endif
377:
378: # ifdef LIBGDOME_STATIC
1.169 paf 379: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugStatic/libgdome.lib")
1.157 paf 380: # else
1.169 paf 381: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugDynamic/libgdome.lib")
1.157 paf 382: # endif
383:
384: #else
385:
386: # ifdef LIBXML_STATIC
1.168 paf 387: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
1.157 paf 388: # else
1.168 paf 389: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
1.157 paf 390: # endif
391:
392: # ifdef LIBXSLT_STATIC
1.168 paf 393: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
1.157 paf 394: # else
1.168 paf 395: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
1.157 paf 396: # endif
397: # ifdef LIBEXSLT_STATIC
1.168 paf 398: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
1.157 paf 399: # else
1.168 paf 400: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
1.157 paf 401: # endif
402:
403: # ifdef LIBGDOME_STATIC
1.169 paf 404: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseStatic/libgdome.lib")
1.157 paf 405: # else
1.169 paf 406: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseDynamic/libgdome.lib")
1.157 paf 407: # endif
408:
1.85 paf 409: # endif
1.157 paf 410: #endif
411:
1.85 paf 412: #endif
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