Annotation of parser3/src/main/pa_globals.C, revision 1.119
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.112 paf 4: Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
1.113 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.16 paf 6:
1.119 ! paf 7: $Id: pa_globals.C,v 1.118 2002/03/05 07:48:06 paf Exp $
1.1 paf 8: */
9:
1.102 paf 10: #include "pa_config_includes.h"
11:
12: #ifdef XML
13: #include "libxslt/extensions.h"
14: #include "libxslt/xsltutils.h"
1.116 paf 15: extern "C" {
1.102 paf 16: #include "libexslt/exslt.h"
1.116 paf 17: };
1.102 paf 18: #endif
19:
1.1 paf 20: #include "pa_globals.h"
1.32 paf 21: #include "pa_string.h"
22: #include "pa_hash.h"
1.42 paf 23: #include "pa_sql_driver_manager.h"
1.77 parser 24: #include "pa_dictionary.h"
1.100 paf 25: #include "pa_stylesheet_manager.h"
1.83 parser 26: #include "pa_sapi.h"
1.90 paf 27: #include "pa_cache_managers.h"
1.95 paf 28: #include "pa_charsets.h"
29: #include "pa_charset.h"
1.101 paf 30: #include "pa_threads.h"
1.84 parser 31:
1.8 paf 32: String *content_type_name;
1.75 parser 33: String *charset_name;
1.8 paf 34: String *body_name;
1.13 paf 35: String *value_name;
1.14 paf 36: String *expires_name;
37: String *path_name;
1.17 paf 38: String *name_name;
39: String *size_name;
40: String *text_name;
1.8 paf 41:
1.119 ! paf 42: String *unhandled_exception_method_name;
1.38 paf 43: String *post_process_method_name;
1.1 paf 44:
1.39 paf 45: String *content_disposition_name;
46: String *content_disposition_filename_name;
47:
1.1 paf 48: String *unnamed_name;
49:
50: String *auto_method_name;
51: String *main_method_name;
52:
53: String *main_class_name;
54:
1.6 paf 55: String *result_var_name;
1.64 parser 56: String *match_var_name;
1.41 paf 57: String *string_pre_match_name;
1.40 paf 58: String *string_match_name;
1.41 paf 59: String *string_post_match_name;
1.6 paf 60:
1.119 ! paf 61: String *exception_var_name;
! 62: String *exception_type_part_name;
! 63: String *exception_source_part_name;
! 64: String *exception_comment_part_name;
! 65: String *exception_handled_part_name;
! 66:
1.79 parser 67: String *charsets_name;
1.36 paf 68: String *mime_types_name;
69: String *vfile_mime_type_name;
1.63 parser 70: String *origins_mode_name;
1.67 parser 71:
1.69 parser 72: String *class_path_name;
73:
1.67 parser 74: String *switch_data_name;
75: String *case_default_value;
76:
1.70 parser 77: String *sql_limit_name;
78: String *sql_offset_name;
79: String *sql_default_name;
80:
1.95 paf 81: String *charset_UTF8_name;
82:
1.71 parser 83: String *hash_default_element_name;
1.42 paf 84:
1.1 paf 85: Hash *untaint_lang_name2enum;
86:
1.95 paf 87: Charset *utf8_charset;
1.32 paf 88:
1.5 paf 89: short hex_value[0x100];
1.111 paf 90:
91: #ifdef XML
92: GdomeDOMImplementation *domimpl;
93: #endif
1.5 paf 94:
95: static void setup_hex_value() {
1.68 parser 96: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 97: hex_value['0'] = 0;
98: hex_value['1'] = 1;
99: hex_value['2'] = 2;
100: hex_value['3'] = 3;
101: hex_value['4'] = 4;
102: hex_value['5'] = 5;
103: hex_value['6'] = 6;
104: hex_value['7'] = 7;
105: hex_value['8'] = 8;
106: hex_value['9'] = 9;
107: hex_value['A'] = 10;
108: hex_value['B'] = 11;
109: hex_value['C'] = 12;
110: hex_value['D'] = 13;
111: hex_value['E'] = 14;
112: hex_value['F'] = 15;
113: hex_value['a'] = 10;
114: hex_value['b'] = 11;
115: hex_value['c'] = 12;
116: hex_value['d'] = 13;
117: hex_value['e'] = 14;
118: hex_value['f'] = 15;
119: }
1.1 paf 120:
1.99 paf 121: #ifdef XML
1.101 paf 122:
123: const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
124:
125: struct XML_Generic_error_info {
126: pa_thread_t thread_id;
127: char *message;
128: } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS];
129:
130: XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) {
131: for(int i=0; i<MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS; i++) {
132: XML_Generic_error_info *p=xml_generic_error_infos+i;
133: if(p->thread_id==thread_id)
134: return p;
135: }
136: return 0;
137: }
138:
1.99 paf 139: static void
1.101 paf 140: xmlParserGenericErrorFunc(void *ctx, const char *msg, ...) {
141: pa_thread_t thread_id=pa_get_thread_id();
142:
143: // infinitely looking for free slot to fill it
144: while(true) {
145: SYNCHRONIZED; // find+fill blocked
146:
147: // first try to get existing for this thread_id
148: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
149: if(!p) { // occupy empty one
150: p=xml_generic_error_info(0);
151: if(!p) // wait for empty for it to appear
152: continue;
153: }
154:
1.102 paf 155: p->thread_id=thread_id;
1.101 paf 156: size_t offset=p->message?strlen(p->message):0;
157: p->message=(char *)realloc(p->message, offset+MAX_STRING);
158: if(!p->message)
159: SAPI::die(
160: "out of memory in 'xmlParserGenericErrorFunc', failed to reallocate to %u bytes",
161: offset+MAX_STRING);
162:
163: va_list args;
164: va_start(args, msg);
165: vsnprintf(p->message+offset, MAX_STRING, msg, args);
166: va_end(args);
167:
168: break;
169: }
170: }
171:
1.102 paf 172: bool xmlHaveGenericErrors() {
173: pa_thread_t thread_id=pa_get_thread_id();
174:
175: SYNCHRONIZED; // find blocked
176:
177: return xml_generic_error_info(thread_id)!=0;
178: }
179:
1.101 paf 180: const char *xmlGenericErrors() {
181: pa_thread_t thread_id=pa_get_thread_id();
182:
183: SYNCHRONIZED; // find+free blocked
184:
185: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
186: if(!p) // no errors for our thread_id registered
187: return 0;
188:
189: const char *result=p->message;
190:
191: // free slot up
192: memset(p, 0, sizeof(*p));
193:
194: // it is up to caller to free it
195: return result;
1.99 paf 196: }
1.110 paf 197:
198: /**
199: * xmlFileMatchWithLocalhostEqDocumentRoot:
200: * filename: the URI for matching
201: *
202: * check if the URI matches an HTTP one
203: *
204: * Returns 1 if matches, 0 otherwise
205: */
206: static int
207: xmlFileMatchLocalhost(const char *filename) {
208: if (!strncmp(filename, "http://localhost", 16))
209: return(1);
210: return(0);
211: }
212:
213:
214: /**
215: * xmlFileOpenHttpLocalhost :
216: * filename: the URI for matching
217: *
218: * http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
219: *
220: * input from FILE *, supports compressed input
221: * if filename is " " then the standard input is used
222: *
223: * Returns an I/O context or NULL in case of error
224: */
225: static void *
226: xmlFileOpenLocalhost (const char *filename) {
227: FILE *fd;
228: const char* documentRoot;
229: char path[1000];
230:
231: path[0]=0;
232: strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
233: strcat(path, &filename[16]);
234:
235: #ifdef WIN32
236: fd = fopen(path, "rb");
237: #else
238: fd = fopen(path, "r");
239: #endif /* WIN32 */
240: return((void *) fd);
241: }
242:
243: /**
244: * xmlFileRead:
245: * @context: the I/O context
246: * @buffer: where to drop data
247: * @len: number of bytes to write
248: *
249: * Read @len bytes to @buffer from the I/O channel.
250: *
251: * Returns the number of bytes written
252: */
253: static int
254: xmlFileRead (void * context, char * buffer, int len) {
255: return(fread(&buffer[0], 1, len, (FILE *) context));
256: }
257:
258: /**
259: * xmlFileWrite:
260: * @context: the I/O context
261: * @buffer: where to drop data
262: * @len: number of bytes to write
263: *
264: * Write @len bytes from @buffer to the I/O channel.
265: *
266: * Returns the number of bytes written
267: */
268: static int
269: xmlFileWrite (void * context, const char * buffer, int len) {
270: return(fwrite(&buffer[0], 1, len, (FILE *) context));
271: }
272:
273: /**
274: * xmlFileClose:
275: * @context: the I/O context
276: *
277: * Close an I/O channel
278: */
279: static int
280: xmlFileClose (void * context) {
281: return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
282: }
283:
1.99 paf 284: #endif
285:
1.83 parser 286: void pa_globals_destroy(void *) {
287: try {
1.96 paf 288: #ifdef XML
289: GdomeException exc;
290: gdome_di_unref (domimpl, &exc);
291: #endif
1.93 paf 292: if(cache_managers)
293: cache_managers->~Cache_managers();
1.95 paf 294:
295: charsets->~Charsets();
1.83 parser 296:
297: } catch(const Exception& e) {
298: SAPI::die("pa_globals_destroy failed: %s", e.comment());
299: }
300: }
301:
1.108 paf 302: /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
1.27 paf 303: void pa_globals_init(Pool& pool) {
1.83 parser 304: pool.register_cleanup(pa_globals_destroy, 0);
305:
1.32 paf 306: #undef NEW
307: #define NEW new(pool)
308:
1.5 paf 309: // hex value
310: setup_hex_value();
311:
1.1 paf 312: // names
1.32 paf 313: content_type_name=NEW String(pool, CONTENT_TYPE_NAME);
1.75 parser 314: charset_name=NEW String(pool, CHARSET_NAME);
1.32 paf 315: body_name=NEW String(pool, BODY_NAME);
316: value_name=NEW String(pool, VALUE_NAME);
317: expires_name=NEW String(pool, EXPIRES_NAME);
318: path_name=NEW String(pool, PATH_NAME);
319: name_name=NEW String(pool, NAME_NAME);
320: size_name=NEW String(pool, SIZE_NAME);
321: text_name=NEW String(pool, TEXT_NAME);
322:
1.119 ! paf 323: unhandled_exception_method_name=NEW String(pool, UNHANDLED_EXCEPTION_METHOD_NAME);
1.38 paf 324: post_process_method_name=NEW String(pool, POST_PROCESS_METHOD_NAME);
1.39 paf 325:
326: content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME);
327: content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME);
1.32 paf 328:
329: unnamed_name=NEW String(pool, UNNAMED_NAME);
330:
331: auto_method_name=NEW String(pool, AUTO_METHOD_NAME);
332: main_method_name=NEW String(pool, MAIN_METHOD_NAME);
333:
334: main_class_name=NEW String(pool, MAIN_CLASS_NAME);
1.6 paf 335:
1.32 paf 336: result_var_name=NEW String(pool, RESULT_VAR_NAME);
1.64 parser 337: match_var_name=NEW String(pool, MATCH_VAR_NAME);
1.41 paf 338: string_pre_match_name=NEW String(pool, STRING_PRE_MATCH_NAME);
1.40 paf 339: string_match_name=NEW String(pool, STRING_MATCH_NAME);
1.41 paf 340: string_post_match_name=NEW String(pool, STRING_POST_MATCH_NAME);
1.6 paf 341:
1.119 ! paf 342: exception_var_name=NEW String(pool, EXCEPTION_VAR_NAME);
! 343: exception_type_part_name=NEW String(pool, EXCEPTION_TYPE_PART_NAME);
! 344: exception_source_part_name=NEW String(pool, EXCEPTION_SOURCE_PART_NAME);
! 345: exception_comment_part_name=NEW String(pool, EXCEPTION_COMMENT_PART_NAME);
! 346: exception_handled_part_name=NEW String(pool, EXCEPTION_HANDLED_PART_NAME);
1.4 paf 347:
1.79 parser 348: charsets_name=NEW String(pool, CHARSETS_NAME);
1.36 paf 349: mime_types_name=NEW String(pool, MIME_TYPES_NAME);
350: vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME);
1.63 parser 351: origins_mode_name=NEW String(pool, ORIGINS_MODE_NAME);
1.69 parser 352:
353: class_path_name=NEW String(pool, CLASS_PATH_NAME);
1.66 parser 354:
355: //^switch ^case
356: switch_data_name=NEW String(pool, SWITCH_DATA_NAME);
357: case_default_value=NEW String(pool, CASE_DEFAULT_VALUE);
1.70 parser 358:
359: // sql
360: sql_limit_name=NEW String(pool, SQL_LIMIT_NAME);
361: sql_offset_name=NEW String(pool, SQL_OFFSET_NAME);
362: sql_default_name=NEW String(pool, SQL_DEFAULT_NAME);
1.71 parser 363:
1.95 paf 364: // charsets
365: charset_UTF8_name=NEW String(pool, CHARSET_UTF8_NAME);
366:
1.71 parser 367: // hash
368: hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME);
1.70 parser 369:
1.66 parser 370:
1.1 paf 371: // hashes
1.32 paf 372: untaint_lang_name2enum=NEW Hash(pool);
1.87 paf 373: #define ULN(cstr, LANG) \
374: untaint_lang_name2enum->put(*NEW String(pool, cstr), (int)String::UL_##LANG);
375: ULN("as-is", AS_IS);
376: ULN("file-spec", FILE_SPEC);
377: ULN("http-header", HTTP_HEADER);
378: ULN("mail-header", MAIL_HEADER);
379: ULN("uri", URI);
380: ULN("table", TABLE);
381: ULN("sql", SQL);
382: ULN("js", JS);
383: ULN("xml", XML);
384: ULN("html", HTML);
1.92 paf 385: ULN("optimized-html", HTML|String::UL_OPTIMIZE_BIT);
1.1 paf 386:
1.95 paf 387: // charsets
388: charsets=NEW Charsets(pool);
389: charsets->put(*charset_UTF8_name,
390: utf8_charset=NEW Charset(pool, *charset_UTF8_name, 0/*no file=system*/));
1.88 paf 391:
1.101 paf 392:
1.88 paf 393: // Status registration, must be initialized before all registrants
1.90 paf 394: cache_managers=NEW Cache_managers(pool);
1.42 paf 395:
1.73 parser 396: // SQL driver manager
1.90 paf 397: cache_managers->put(*NEW String(pool, "sql"),
398: SQL_driver_manager=NEW SQL_Driver_manager(pool));
1.74 parser 399:
1.76 parser 400: #ifdef XML
1.96 paf 401: // initializing xml libs
402:
403: /* First I get a DOMImplementation reference */
404: domimpl = gdome_di_mkref ();
405: /*
406: * Register the EXSLT extensions and the test module
407: */
408: exsltRegisterAll();
409: xsltRegisterTestModule();
410: xmlDefaultSAXHandlerInit();
411: /*
412: * disable CDATA from being built in the document tree
413: */
1.101 paf 414: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
1.99 paf 415:
416: /*
417: * Initialization function for the XML parser.
418: * This is not reentrant. Call once before processing in case of
419: * use in multithreaded programs.
420: */
421: xmlInitParser();
1.107 paf 422:
423: // 1. this is needed for proper parsing of stylesheets
424: // there were a situation where honest entity ruined innocent xpath compilation
425: // doc says "you sould turn it on on stylesheet load" without deepening into details
426: // 2. when dom tree with entites goes under transform text nodes
427: // got [erroreosly] cut on first entity occurance
1.109 paf 428: // --
1.107 paf 429: // that is why this is:
430: xmlSubstituteEntitiesDefault(1);
1.100 paf 431:
432: // Bit in the loadsubset context field to tell to do ID/REFs lookups
433: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
434: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
435: // with the ones defaulted from the DTDs
436: //never added yet xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.99 paf 437:
1.104 paf 438: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 439: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 440:
1.101 paf 441: memset(xml_generic_error_infos, 0, sizeof(xml_generic_error_infos));
442: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 443: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 444: // FILE *f=fopen("y:\\xslt.log", "wt");
445: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 446:
447: // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
448: xmlRegisterInputCallbacks(
449: xmlFileMatchLocalhost, xmlFileOpenLocalhost,
450: xmlFileRead, xmlFileClose);
1.96 paf 451:
452: // XSLT stylesheet manager
1.90 paf 453: cache_managers->put(*NEW String(pool, "stylesheet"),
454: stylesheet_manager=NEW Stylesheet_manager(pool));
1.76 parser 455: #endif
1.1 paf 456: }
1.76 parser 457:
458: #if defined(XML) && defined(_MSC_VER)
1.96 paf 459: # define XML_LIBS "/parser3project/win32xml"
460: # pragma comment(lib, XML_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 461: # ifdef _DEBUG
1.114 paf 462: # pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
463: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
464: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
465: # pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
1.76 parser 466: # else
1.114 paf 467: # pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
468: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
469: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
470: # pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
1.85 paf 471: # endif
472: #endif
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