Annotation of parser3/src/main/pa_globals.C, revision 1.192
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:
1.192 ! moko 31: volatile const char * IDENT_PA_GLOBALS_C="$Id: pa_globals.C,v 1.191 2013/07/30 22:35:43 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
1.191 moko 147:
1.157 paf 148: static void* pa_gc_malloc_log(size_t size){
149: void *p=pa_gc_malloc(size);
150: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
151: return p;
152:
153: }
1.191 moko 154:
1.157 paf 155: static void* pa_gc_malloc_atomic_log(size_t size){
156: void *p=pa_gc_malloc_atomic(size);
157: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
158: return p;
159: }
1.191 moko 160:
1.157 paf 161: static void* pa_gc_realloc_log(void *ptr, size_t size){
162: void *p=pa_gc_realloc(ptr, size);
163: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
164: return p;
165: }
1.191 moko 166:
1.157 paf 167: static void pa_gc_free_log(void *p){
168: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
169: pa_gc_free(p);
170: }
1.191 moko 171:
1.159 paf 172: #else
173:
174: inline void *check(void *result, const char *where, size_t size) {
175: if(!result)
1.184 misha 176: pa_fail_alloc(where, size);
1.159 paf 177: return result;
178: }
1.191 moko 179:
1.159 paf 180: static void* pa_gc_malloc_nonull(size_t size) {
1.184 misha 181: return check(pa_gc_malloc(size), "allocate XML compsite memory", size);
1.159 paf 182: }
1.191 moko 183:
1.159 paf 184: static void* pa_gc_malloc_atomic_nonull(size_t size) {
1.184 misha 185: return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size);
1.159 paf 186: }
1.191 moko 187:
1.159 paf 188: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
1.184 misha 189: return check(pa_gc_realloc(ptr, size), "reallocate XML memory", size);
1.159 paf 190: }
191:
1.191 moko 192: static void pa_gc_free_maybeignore(void* ptr) {
1.175 paf 193: pa_gc_free(ptr);
194: }
195:
1.157 paf 196: #endif
197: #endif
198:
199: void pa_CORD_oom_fn(void) {
1.184 misha 200: pa_fail_alloc("expand string", 0);
1.157 paf 201: }
202:
203: /**
204: @todo gc: libltdl: substitute lt_dlmalloc & co
205: */
206: static void gc_substitute_memory_management_functions() {
207: // in libxml & libxslt
208: #ifdef XML
209: // asking to use GC memory
210: #ifdef PA_DEBUG_XML_GC_MEMORY
211: xmlGcMemSetup(
212: /*xmlFreeFunc */pa_gc_free_log,
213: /*xmlMallocFunc */pa_gc_malloc_log,
214: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
215: /*xmlReallocFunc */pa_gc_realloc_log,
216: /*xmlStrdupFunc */pa_GC_strdup);
217: #else
218: xmlGcMemSetup(
1.175 paf 219: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.159 paf 220: /*xmlMallocFunc */pa_gc_malloc_nonull,
221: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
222: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 223: /*xmlStrdupFunc */pa_GC_strdup);
224: #endif
1.32 paf 225:
1.157 paf 226: #endif
1.141 paf 227:
1.157 paf 228: // pcre
1.183 misha 229: pcre_malloc=pa_gc_malloc;
230: pcre_free=pa_gc_free;
1.135 paf 231:
1.157 paf 232: // cord
233: CORD_oom_fn=pa_CORD_oom_fn;
234: }
1.88 paf 235:
1.157 paf 236: /**
237: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
238: */
239: void pa_globals_init() {
1.164 paf 240: // global variables
241: cache_managers=new Cache_managers;
242:
243:
1.157 paf 244: // in various libraries
245: gc_substitute_memory_management_functions();
1.101 paf 246:
1.157 paf 247: // hex value
248: setup_hex_value();
1.74 parser 249:
1.76 parser 250: #ifdef XML
1.96 paf 251: // initializing xml libs
252:
1.191 moko 253: // Register the EXSLT extensions and the test module
1.157 paf 254: exsltRegisterAll();
255: xsltRegisterTestModule();
256: xmlDefaultSAXHandlerInit();
1.191 moko 257:
258: // disable CDATA from being built in the document tree
1.157 paf 259: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
260:
1.191 moko 261: // Initialization function for the XML parser. This is not reentrant.
262: // Call once before processing in case of use in multithreaded programs.
1.99 paf 263: xmlInitParser();
1.107 paf 264:
265: // 1. this is needed for proper parsing of stylesheets
266: // there were a situation where honest entity ruined innocent xpath compilation
267: // doc says "you sould turn it on on stylesheet load" without deepening into details
268: // 2. when dom tree with entites goes under transform text nodes
269: // got [erroreosly] cut on first entity occurance
1.109 paf 270: // --
1.107 paf 271: // that is why this is:
272: xmlSubstituteEntitiesDefault(1);
1.100 paf 273:
274: // Bit in the loadsubset context field to tell to do ID/REFs lookups
275: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
276: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
277: // with the ones defaulted from the DTDs
1.157 paf 278: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 279:
280: // validate each document after load/create (?)
1.191 moko 281: // xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 282:
1.191 moko 283: // regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 284: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 285:
1.101 paf 286: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 287: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.191 moko 288:
1.105 paf 289: // FILE *f=fopen("y:\\xslt.log", "wt");
290: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 291:
1.162 paf 292: pa_xml_io_init();
1.157 paf 293: #endif
1.174 paf 294: }
295:
1.188 moko 296: static bool is_dlinited=false;
297:
1.174 paf 298: void pa_globals_done() {
1.191 moko 299: delete cache_managers;
300: cache_managers=0;
301:
1.188 moko 302: if(is_dlinited)
303: lt_dlexit();
304: }
305:
306: void pa_dlinit() {
307: if(!is_dlinited){
308: if(lt_dlinit())
1.192 ! moko 309: throw Exception(0,0,"preparation for dynamic library loading failed, %s", lt_dlerror());
1.188 moko 310: is_dlinited=true;
311: }
1.157 paf 312: }
313:
314: #ifdef _MSC_VER
315:
316: #ifndef PA_DEBUG_DISABLE_GC
1.191 moko 317:
318: #define GC_LIB "../../../../win32/gc"
319: #ifdef _DEBUG
320: #pragma comment(lib, GC_LIB "/Debug/gc.lib")
321: #else
322: #pragma comment(lib, GC_LIB "/Release/gc.lib")
323: #endif
1.96 paf 324:
1.76 parser 325: #endif
326:
1.191 moko 327:
328: #ifdef XML
329:
1.181 paf 330: #define GNOME_LIBS "../../../../win32/gnome"
331:
1.191 moko 332: #ifdef _DEBUG
333: #define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/"
334: #define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/"
335: #else
336: #define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/"
337: #define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/"
1.181 paf 338: #endif
339:
1.191 moko 340: #ifdef LIBXML_STATIC
341: #pragma comment(lib, LIB_XML "libxml2_a.lib")
342: #else
343: #pragma comment(lib, LIB_XML "libxml2.lib")
344: #endif
1.157 paf 345:
1.191 moko 346: #ifdef LIBXSLT_STATIC
347: #pragma comment(lib, LIB_XSLT "libxslt_a.lib")
348: #else
349: #pragma comment(lib, LIB_XSLT "libxslt.lib")
350: #endif
1.157 paf 351:
1.191 moko 352: #ifdef LIBEXSLT_STATIC
353: #pragma comment(lib, LIB_XSLT "libexslt_a.lib")
1.157 paf 354: #else
1.191 moko 355: #pragma comment(lib, LIB_XSLT "libexslt.lib")
356: #endif
1.157 paf 357:
358: #endif
359:
1.85 paf 360: #endif
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