Annotation of parser3/src/main/pa_globals.C, revision 1.171
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:
1.171 ! paf 8: static const char * const IDENT_GLOBALS_C="$Date: 2004/02/11 14:03:10 $";
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:
1.162 paf 103: 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:
109: // infinitely looking for free slot to fill it
110: while(true) {
111: SYNCHRONIZED; // find+fill blocked
112:
113: // first try to get existing for this thread_id
1.162 paf 114: XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id);
115: if(!p) // occupy empty one
116: xml_generic_error_infos.put(thread_id, (p=new(PointerFreeGC) XML_Generic_error_info));
1.101 paf 117:
118: va_list args;
119: va_start(args, msg);
1.157 paf 120: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
1.101 paf 121: va_end(args);
122:
123: break;
124: }
125: }
126:
1.102 paf 127: bool xmlHaveGenericErrors() {
1.157 paf 128: pa_thread_t thread_id=pa_get_thread_id();
1.102 paf 129:
130: SYNCHRONIZED; // find blocked
131:
1.162 paf 132: return xml_generic_error_infos.get(thread_id)!=0;
1.102 paf 133: }
134:
1.157 paf 135: const char* xmlGenericErrors() {
136: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 137:
138: SYNCHRONIZED; // find+free blocked
139:
1.162 paf 140: if(XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id))
141: return p->get_and_reset();
1.110 paf 142:
1.162 paf 143: return 0; // no errors for our thread_id registered
1.150 paf 144: }
145:
1.99 paf 146: #endif
147:
1.83 parser 148: void pa_globals_destroy(void *) {
149: try {
1.96 paf 150: #ifdef XML
151: GdomeException exc;
152: gdome_di_unref (domimpl, &exc);
1.160 paf 153: // uncomment SAPI::abort below if adding potential-throw code here
1.96 paf 154: #endif
1.83 parser 155: } catch(const Exception& e) {
1.160 paf 156: // SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 157: }
158: }
159:
160:
1.157 paf 161: #ifdef XML
162:
163: static char *pa_GC_strdup(const char *s) {
164: if(!s)
165: return 0;
166:
167: size_t size=strlen(s)+1;
1.170 paf 168: char *result=(char *)GC_MALLOC_ATOMIC(size);
1.159 paf 169: if(!result)
170: SAPI::abort("out of memory (while duplicating XML string [size=%d])", size);
171:
1.157 paf 172: memcpy(result, s, size);
1.170 paf 173: #ifdef PA_DEBUG_XML_GC_MEMORY
174: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
175: #endif
1.157 paf 176: return result;
177: }
178:
179: #ifdef PA_DEBUG_XML_GC_MEMORY
180: void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0,
181: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
182: bool pa_looked(void*p) {
183: for(int i=0; i<8; i++)
184: if(pa_look_for[i]==p)
185: return true;
186: return false;
187: }
188: static void* pa_gc_malloc_log(size_t size){
189: void *p=pa_gc_malloc(size);
190: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
191: // if(pa_looked(p))
192: // fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
193: return p;
194:
195: }
196: static void* pa_gc_malloc_atomic_log(size_t size){
197: void *p=pa_gc_malloc_atomic(size);
198: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
199: // if(pa_looked(p))
200: // fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
201: return p;
202: }
203: static void* pa_gc_realloc_log(void *ptr, size_t size){
204: void *p=pa_gc_realloc(ptr, size);
205: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
206: // if(pa_looked(p))
207: // fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
208: return p;
209: }
210: //static void pa_gc_free_ignore(void *){}
211: static void pa_gc_free_log(void *p){
212: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
213: // if(pa_looked(p))
214: // fprintf(stderr,"catched debug free(0x%p)\n", p);
215: pa_gc_free(p);
216: }
1.159 paf 217: #else
218:
219: inline void *check(void *result, const char *where, size_t size) {
220: if(!result)
221: SAPI::abort("out of memory (while %s [size=%d])", where, size);
222:
223: return result;
224: }
225: static void* pa_gc_malloc_nonull(size_t size) {
226: return check(pa_gc_malloc(size), "allocating XML compsite memory", size);
227: }
228: static void* pa_gc_malloc_atomic_nonull(size_t size) {
229: return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size);
230: }
231: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
232: return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size);
233: }
234:
1.157 paf 235: #endif
236: #endif
237:
238: void pa_CORD_oom_fn(void) {
239: SAPI::abort("out of memory (while expanding string)");
240: }
241:
242: /**
243: @todo gc: libltdl: substitute lt_dlmalloc & co
244: */
245: static void gc_substitute_memory_management_functions() {
246: // in libxml & libxslt
247: #ifdef XML
248: // asking to use GC memory
249: #if LIBXML_VERSION >= 20507
250: #ifdef PA_DEBUG_XML_GC_MEMORY
251: xmlGcMemSetup(
252: /*xmlFreeFunc */pa_gc_free_log,
253: /*xmlMallocFunc */pa_gc_malloc_log,
254: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
255: /*xmlReallocFunc */pa_gc_realloc_log,
256: /*xmlStrdupFunc */pa_GC_strdup);
257: #else
258: xmlGcMemSetup(
259: /*xmlFreeFunc */pa_gc_free,
1.159 paf 260: /*xmlMallocFunc */pa_gc_malloc_nonull,
261: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
262: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 263: /*xmlStrdupFunc */pa_GC_strdup);
264: #endif
1.32 paf 265:
1.157 paf 266: #else
267: xmlMemSetup(
268: /*xmlFreeFunc */pa_gc_free,
269: /*xmlMallocFunc */pa_gc_malloc,
270: /*xmlReallocFunc */pa_gc_realloc,
271: /*xmlStrdupFunc */pa_GC_strdup);
272: #endif
1.5 paf 273:
1.157 paf 274: #endif
1.141 paf 275:
1.157 paf 276: // pcre
277: pcre_malloc=pa_gc_malloc;
278: pcre_free=pa_gc_free;
1.135 paf 279:
1.1 paf 280:
1.157 paf 281: // cord
282: CORD_oom_fn=pa_CORD_oom_fn;
283: }
1.88 paf 284:
1.157 paf 285: /**
286: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
287: */
288: void pa_globals_init() {
1.164 paf 289: // global variables
290: cache_managers=new Cache_managers;
291:
292:
1.157 paf 293: // in various libraries
294: gc_substitute_memory_management_functions();
1.101 paf 295:
1.157 paf 296: // hex value
297: setup_hex_value();
1.74 parser 298:
1.76 parser 299: #ifdef XML
1.96 paf 300: // initializing xml libs
301:
1.157 paf 302: /* First get a DOMImplementation reference */
1.96 paf 303: domimpl = gdome_di_mkref ();
1.157 paf 304: /*
305: * Register the EXSLT extensions and the test module
306: */
307: exsltRegisterAll();
308: xsltRegisterTestModule();
309: xmlDefaultSAXHandlerInit();
310: /*
311: * disable CDATA from being built in the document tree
312: */
313: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
314:
1.99 paf 315: /*
316: * Initialization function for the XML parser.
317: * This is not reentrant. Call once before processing in case of
318: * use in multithreaded programs.
319: */
320: xmlInitParser();
1.107 paf 321:
322: // 1. this is needed for proper parsing of stylesheets
323: // there were a situation where honest entity ruined innocent xpath compilation
324: // doc says "you sould turn it on on stylesheet load" without deepening into details
325: // 2. when dom tree with entites goes under transform text nodes
326: // got [erroreosly] cut on first entity occurance
1.109 paf 327: // --
1.107 paf 328: // that is why this is:
329: xmlSubstituteEntitiesDefault(1);
1.100 paf 330:
331: // Bit in the loadsubset context field to tell to do ID/REFs lookups
332: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
333: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
334: // with the ones defaulted from the DTDs
1.157 paf 335: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 336:
337: // validate each document after load/create (?)
338: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 339:
1.104 paf 340: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 341: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 342:
1.101 paf 343: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 344: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 345: // FILE *f=fopen("y:\\xslt.log", "wt");
346: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 347:
1.162 paf 348: pa_xml_io_init();
1.157 paf 349: #endif
350: }
351:
352: #ifdef _MSC_VER
353:
354: #ifndef PA_DEBUG_DISABLE_GC
355: # define GC_LIB "../../../../win32/gc"
356: # ifdef _DEBUG
357: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
358: # else
359: # pragma comment(lib, GC_LIB "/Release/gc.lib")
360: # endif
1.96 paf 361:
1.76 parser 362: #endif
363:
1.157 paf 364: #ifdef XML
1.158 paf 365: # define GNOME_LIBS "../../../../win32/gnome"
1.131 paf 366: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 367: # ifdef _DEBUG
1.157 paf 368:
369: # ifdef LIBXML_STATIC
1.168 paf 370: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
1.157 paf 371: # else
1.168 paf 372: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
1.157 paf 373: # endif
374:
375: # ifdef LIBXSLT_STATIC
1.168 paf 376: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
1.157 paf 377: # else
1.168 paf 378: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
1.157 paf 379: # endif
380: # ifdef LIBEXSLT_STATIC
1.168 paf 381: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
1.157 paf 382: # else
1.168 paf 383: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
1.157 paf 384: # endif
385:
386: # ifdef LIBGDOME_STATIC
1.169 paf 387: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugStatic/libgdome.lib")
1.157 paf 388: # else
1.169 paf 389: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugDynamic/libgdome.lib")
1.157 paf 390: # endif
391:
392: #else
393:
394: # ifdef LIBXML_STATIC
1.168 paf 395: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
1.157 paf 396: # else
1.168 paf 397: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
1.157 paf 398: # endif
399:
400: # ifdef LIBXSLT_STATIC
1.168 paf 401: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
1.157 paf 402: # else
1.168 paf 403: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
1.157 paf 404: # endif
405: # ifdef LIBEXSLT_STATIC
1.168 paf 406: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
1.157 paf 407: # else
1.168 paf 408: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
1.157 paf 409: # endif
410:
411: # ifdef LIBGDOME_STATIC
1.169 paf 412: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseStatic/libgdome.lib")
1.157 paf 413: # else
1.169 paf 414: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseDynamic/libgdome.lib")
1.157 paf 415: # endif
416:
1.85 paf 417: # endif
1.157 paf 418: #endif
419:
1.85 paf 420: #endif
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