Annotation of parser3/src/main/pa_globals.C, revision 1.204
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.198 moko 4: Copyright (c) 2001-2017 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"
1.193 moko 16: }
1.102 paf 17: #endif
18:
1.1 paf 19: #include "pa_globals.h"
1.203 moko 20: #include "pa_socks.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"
1.196 moko 25: #include "pa_symbols.h"
1.70 parser 26:
1.164 paf 27: #include "pa_cache_managers.h"
28:
1.188 moko 29: #include "ltdl.h"
1.182 misha 30: #include "pcre.h"
31:
1.204 ! moko 32: volatile const char * IDENT_PA_GLOBALS_C="$Id: pa_globals.C,v 1.203 2019/12/25 22:01:03 moko Exp $" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H;
1.187 moko 33:
1.157 paf 34: // defines
1.155 paf 35:
1.157 paf 36: //#define PA_DEBUG_XML_GC_MEMORY
1.95 paf 37:
1.157 paf 38: // globals
1.32 paf 39:
1.204 ! moko 40: short hex_value[0x100] = {
! 41: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 42: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 43: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 44: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0,
! 45: 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 46: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 47: 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 48: };
1.1 paf 49:
1.185 moko 50: THREAD_LOCAL Request* thread_request=NULL;
1.162 paf 51:
52: void pa_register_thread_request(Request& r) {
1.185 moko 53: thread_request=&r;
1.162 paf 54: }
55: /// retrives request set by pa_set_request function, useful in contextless places [slow]
56: Request& pa_thread_request() {
1.185 moko 57: return *thread_request;
1.162 paf 58: }
1.176 paf 59:
1.162 paf 60:
1.99 paf 61: #ifdef XML
1.101 paf 62:
1.157 paf 63: class XML_Generic_error_info {
1.173 paf 64: public:/*internal, actually*/
1.166 paf 65: char buf[MAX_STRING*5];
1.157 paf 66: size_t used;
67: public:
68: XML_Generic_error_info() {
69: buf[used=0]=0;
70: }
1.173 paf 71: const char* get() {
72: return used? buf: 0;
1.157 paf 73: }
1.162 paf 74: };
1.101 paf 75:
1.186 moko 76: THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL;
1.101 paf 77:
1.162 paf 78: static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
1.172 paf 79: XML_Generic_error_info* p;
1.186 moko 80:
81: if(!(p=xml_generic_error_info)) // occupy empty one
82: p=xml_generic_error_info=new(PointerFreeGC) XML_Generic_error_info;
1.101 paf 83:
1.172 paf 84: va_list args;
85: va_start(args, msg);
86: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
87: va_end(args);
1.101 paf 88: }
89:
1.102 paf 90: bool xmlHaveGenericErrors() {
1.186 moko 91: return xml_generic_error_info!=0;
1.102 paf 92: }
93:
1.157 paf 94: const char* xmlGenericErrors() {
1.186 moko 95: if(XML_Generic_error_info *p=xml_generic_error_info) {
96: xml_generic_error_info=0;
1.173 paf 97: return p->get();
98: }
1.110 paf 99:
1.162 paf 100: return 0; // no errors for our thread_id registered
1.150 paf 101: }
102:
1.195 moko 103: #endif // XML
1.99 paf 104:
1.157 paf 105: #ifdef XML
106:
107: static char *pa_GC_strdup(const char *s) {
108: if(!s)
109: return 0;
110:
111: size_t size=strlen(s)+1;
1.199 moko 112: char *result=(char *)GC_MALLOC_ATOMIC(size);
1.195 moko 113:
1.159 paf 114: if(!result)
1.184 misha 115: pa_fail_alloc("duplicate XML string",size);
1.159 paf 116:
1.157 paf 117: memcpy(result, s, size);
1.170 paf 118: #ifdef PA_DEBUG_XML_GC_MEMORY
119: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
120: #endif
1.157 paf 121: return result;
122: }
123:
124: #ifdef PA_DEBUG_XML_GC_MEMORY
1.191 moko 125:
1.157 paf 126: static void* pa_gc_malloc_log(size_t size){
1.199 moko 127: void *p=GC_MALLOC(size);
1.157 paf 128: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
129: return p;
130:
131: }
1.191 moko 132:
1.157 paf 133: static void* pa_gc_malloc_atomic_log(size_t size){
1.199 moko 134: void *p=GC_MALLOC_ATOMIC(size);
1.157 paf 135: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
136: return p;
137: }
1.191 moko 138:
1.157 paf 139: static void* pa_gc_realloc_log(void *ptr, size_t size){
1.199 moko 140: void *p=GC_REALLOC(ptr, size);
1.157 paf 141: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
142: return p;
143: }
1.191 moko 144:
1.157 paf 145: static void pa_gc_free_log(void *p){
146: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
1.199 moko 147: GC_FREE(p);
1.157 paf 148: }
1.191 moko 149:
1.159 paf 150: #else
151:
152: inline void *check(void *result, const char *where, size_t size) {
153: if(!result)
1.184 misha 154: pa_fail_alloc(where, size);
1.159 paf 155: return result;
156: }
1.191 moko 157:
1.159 paf 158: static void* pa_gc_malloc_nonull(size_t size) {
1.199 moko 159: return check(GC_MALLOC(size), "allocate XML compsite memory", size);
1.159 paf 160: }
1.191 moko 161:
1.159 paf 162: static void* pa_gc_malloc_atomic_nonull(size_t size) {
1.199 moko 163: return check(GC_MALLOC_ATOMIC(size), "allocate XML atomic memory", size);
1.159 paf 164: }
1.191 moko 165:
1.159 paf 166: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
1.199 moko 167: return check(GC_REALLOC(ptr, size), "reallocate XML memory", size);
1.159 paf 168: }
169:
1.191 moko 170: static void pa_gc_free_maybeignore(void* ptr) {
1.199 moko 171: GC_FREE(ptr);
1.175 paf 172: }
173:
1.157 paf 174: #endif
1.195 moko 175:
176: #endif // XML
1.157 paf 177:
178: void pa_CORD_oom_fn(void) {
1.184 misha 179: pa_fail_alloc("expand string", 0);
1.157 paf 180: }
181:
182: /**
183: @todo gc: libltdl: substitute lt_dlmalloc & co
184: */
185: static void gc_substitute_memory_management_functions() {
186: // in libxml & libxslt
187: #ifdef XML
188: // asking to use GC memory
189: #ifdef PA_DEBUG_XML_GC_MEMORY
190: xmlGcMemSetup(
191: /*xmlFreeFunc */pa_gc_free_log,
192: /*xmlMallocFunc */pa_gc_malloc_log,
193: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
194: /*xmlReallocFunc */pa_gc_realloc_log,
195: /*xmlStrdupFunc */pa_GC_strdup);
196: #else
197: xmlGcMemSetup(
1.175 paf 198: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.159 paf 199: /*xmlMallocFunc */pa_gc_malloc_nonull,
200: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
201: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 202: /*xmlStrdupFunc */pa_GC_strdup);
203: #endif
1.32 paf 204:
1.157 paf 205: #endif
1.141 paf 206:
1.157 paf 207: // pcre
1.199 moko 208: pcre_malloc=pa_malloc;
209: pcre_free=pa_free;
1.135 paf 210:
1.157 paf 211: // cord
212: CORD_oom_fn=pa_CORD_oom_fn;
213: }
1.88 paf 214:
1.157 paf 215: /**
216: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
217: */
218: void pa_globals_init() {
1.203 moko 219: // init socks
220: pa_socks_init();
221:
222: // global variables
1.164 paf 223: cache_managers=new Cache_managers;
224:
1.157 paf 225: // in various libraries
226: gc_substitute_memory_management_functions();
1.101 paf 227:
1.196 moko 228: #ifdef SYMBOLS_CACHING
229: // symbols cache
230: Symbols::init();
231: #endif
232:
1.76 parser 233: #ifdef XML
1.96 paf 234: // initializing xml libs
235:
1.191 moko 236: // Register the EXSLT extensions and the test module
1.157 paf 237: exsltRegisterAll();
238: xsltRegisterTestModule();
239: xmlDefaultSAXHandlerInit();
1.191 moko 240:
241: // disable CDATA from being built in the document tree
1.157 paf 242: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
243:
1.191 moko 244: // Initialization function for the XML parser. This is not reentrant.
245: // Call once before processing in case of use in multithreaded programs.
1.99 paf 246: xmlInitParser();
1.107 paf 247:
248: // 1. this is needed for proper parsing of stylesheets
249: // there were a situation where honest entity ruined innocent xpath compilation
250: // doc says "you sould turn it on on stylesheet load" without deepening into details
251: // 2. when dom tree with entites goes under transform text nodes
252: // got [erroreosly] cut on first entity occurance
1.109 paf 253: // --
1.107 paf 254: // that is why this is:
255: xmlSubstituteEntitiesDefault(1);
1.100 paf 256:
257: // Bit in the loadsubset context field to tell to do ID/REFs lookups
258: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
259: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
260: // with the ones defaulted from the DTDs
1.157 paf 261: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 262:
263: // validate each document after load/create (?)
1.191 moko 264: // xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 265:
1.191 moko 266: // regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 267: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 268:
1.101 paf 269: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 270: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.191 moko 271:
1.195 moko 272: // FILE *f=fopen("xslt.log", "wt");
1.105 paf 273: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 274:
1.162 paf 275: pa_xml_io_init();
1.157 paf 276: #endif
1.174 paf 277: }
278:
1.188 moko 279: static bool is_dlinited=false;
280:
1.174 paf 281: void pa_globals_done() {
1.191 moko 282: delete cache_managers;
283: cache_managers=0;
284:
1.188 moko 285: if(is_dlinited)
286: lt_dlexit();
1.203 moko 287:
288: pa_socks_done();
1.188 moko 289: }
290:
291: void pa_dlinit() {
292: if(!is_dlinited){
293: if(lt_dlinit())
1.192 moko 294: throw Exception(0,0,"preparation for dynamic library loading failed, %s", lt_dlerror());
1.188 moko 295: is_dlinited=true;
296: }
1.157 paf 297: }
298:
299: #ifdef _MSC_VER
300:
1.200 moko 301: #define PREFIX "../../../../win32/"
1.191 moko 302:
303: #ifdef _DEBUG
1.200 moko 304: #define CONFIGURATION "Debug"
305: #else
306: #define CONFIGURATION "Release"
307: #endif
308:
309: #ifdef _WIN64
310: #define PLATFORM_64 "x64/"
311: #define PLATFORM_32 ""
1.191 moko 312: #else
1.200 moko 313: #define PLATFORM_64 ""
314: #define PLATFORM_32 "win32/"
1.191 moko 315: #endif
1.96 paf 316:
1.201 moko 317: #pragma comment(lib, PREFIX "pcre/" PLATFORM_64 CONFIGURATION "/pcre.lib")
1.200 moko 318:
319: #ifndef PA_DEBUG_DISABLE_GC
320:
321: #pragma comment(lib, PREFIX "gc/" PLATFORM_64 CONFIGURATION "/gc.lib")
322:
1.195 moko 323: #endif // PA_DEBUG_DISABLE_GC
1.76 parser 324:
1.191 moko 325:
326: #ifdef XML
327:
1.200 moko 328: #define GNOME_LIBS PREFIX "gnome"
1.181 paf 329:
1.200 moko 330: #define LIB_XML PREFIX "gnome/libxml2-x.x.x/" PLATFORM_64 PLATFORM_32 CONFIGURATION "/lib/"
331: #define LIB_XSLT PREFIX "gnome/libxslt-x.x.x/" PLATFORM_64 PLATFORM_32 CONFIGURATION "/lib/"
1.181 paf 332:
1.202 moko 333: #ifdef XML_STATIC
1.191 moko 334: #pragma comment(lib, LIB_XML "libxml2_a.lib")
1.202 moko 335: #pragma comment(lib, LIB_XSLT "libxslt_a.lib")
336: #pragma comment(lib, LIB_XSLT "libexslt_a.lib")
1.191 moko 337: #else
338: #pragma comment(lib, LIB_XML "libxml2.lib")
339: #pragma comment(lib, LIB_XSLT "libxslt.lib")
340: #pragma comment(lib, LIB_XSLT "libexslt.lib")
341: #endif
1.157 paf 342:
1.195 moko 343: #endif // XML
1.157 paf 344:
1.197 moko 345: // defines for VS2015 to link with gc/xml libs compiled in the previous VS versions
346: #if _MSC_VER >= 1900
347: #pragma comment(lib,"legacy_stdio_definitions.lib")
348: extern "C" { FILE _iob[3] = { *stdin, *stdout, *stderr }; }
349: #endif
350:
1.195 moko 351: #endif // _MSC_VER
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