Annotation of parser3/src/main/pa_globals.C, revision 1.117
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:
1.117 ! paf 7: $Id: pa_globals.C,v 1.116 2002/02/18 15:24:28 paf Exp $
1.1 paf 8: */
9:
1.102 paf 10: #include "pa_config_includes.h"
11:
12: #ifdef XML
13: //#include "libxml/parser.h"
14: //#include "libxslt/xslt.h"
15: //#include "libxslt/libxslt.h"
16: #include "libxslt/extensions.h"
17: #include "libxslt/xsltutils.h"
1.116 paf 18: extern "C" {
1.102 paf 19: #include "libexslt/exslt.h"
1.116 paf 20: };
1.102 paf 21: #endif
22:
1.1 paf 23: #include "pa_globals.h"
1.32 paf 24: #include "pa_string.h"
25: #include "pa_hash.h"
1.42 paf 26: #include "pa_sql_driver_manager.h"
1.77 parser 27: #include "pa_dictionary.h"
1.100 paf 28: #include "pa_stylesheet_manager.h"
1.83 parser 29: #include "pa_sapi.h"
1.90 paf 30: #include "pa_cache_managers.h"
1.95 paf 31: #include "pa_charsets.h"
32: #include "pa_charset.h"
1.101 paf 33: #include "pa_threads.h"
1.84 parser 34:
1.8 paf 35: String *content_type_name;
1.75 parser 36: String *charset_name;
1.8 paf 37: String *body_name;
1.13 paf 38: String *value_name;
1.14 paf 39: String *expires_name;
40: String *path_name;
1.17 paf 41: String *name_name;
42: String *size_name;
43: String *text_name;
1.8 paf 44:
1.1 paf 45: String *exception_method_name;
1.38 paf 46: String *post_process_method_name;
1.1 paf 47:
1.39 paf 48: String *content_disposition_name;
49: String *content_disposition_filename_name;
50:
1.1 paf 51: String *unnamed_name;
52:
53: String *auto_method_name;
54: String *main_method_name;
55:
56: String *main_class_name;
57:
1.6 paf 58: String *result_var_name;
1.64 parser 59: String *match_var_name;
1.41 paf 60: String *string_pre_match_name;
1.40 paf 61: String *string_match_name;
1.41 paf 62: String *string_post_match_name;
1.6 paf 63:
1.79 parser 64: String *charsets_name;
1.36 paf 65: String *mime_types_name;
66: String *vfile_mime_type_name;
1.63 parser 67: String *origins_mode_name;
1.67 parser 68:
1.69 parser 69: String *class_path_name;
70:
1.67 parser 71: String *switch_data_name;
72: String *case_default_value;
73:
1.70 parser 74: String *sql_limit_name;
75: String *sql_offset_name;
76: String *sql_default_name;
77:
1.95 paf 78: String *charset_UTF8_name;
79:
1.71 parser 80: String *hash_default_element_name;
1.42 paf 81:
1.1 paf 82: Hash *untaint_lang_name2enum;
83:
1.95 paf 84: Charset *utf8_charset;
1.32 paf 85:
1.5 paf 86: short hex_value[0x100];
1.111 paf 87:
88: #ifdef XML
89: GdomeDOMImplementation *domimpl;
90: #endif
1.5 paf 91:
92: static void setup_hex_value() {
1.68 parser 93: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 94: hex_value['0'] = 0;
95: hex_value['1'] = 1;
96: hex_value['2'] = 2;
97: hex_value['3'] = 3;
98: hex_value['4'] = 4;
99: hex_value['5'] = 5;
100: hex_value['6'] = 6;
101: hex_value['7'] = 7;
102: hex_value['8'] = 8;
103: hex_value['9'] = 9;
104: hex_value['A'] = 10;
105: hex_value['B'] = 11;
106: hex_value['C'] = 12;
107: hex_value['D'] = 13;
108: hex_value['E'] = 14;
109: hex_value['F'] = 15;
110: hex_value['a'] = 10;
111: hex_value['b'] = 11;
112: hex_value['c'] = 12;
113: hex_value['d'] = 13;
114: hex_value['e'] = 14;
115: hex_value['f'] = 15;
116: }
1.1 paf 117:
1.99 paf 118: #ifdef XML
1.101 paf 119:
120: const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
121:
122: struct XML_Generic_error_info {
123: pa_thread_t thread_id;
124: char *message;
125: } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS];
126:
127: XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) {
128: for(int i=0; i<MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS; i++) {
129: XML_Generic_error_info *p=xml_generic_error_infos+i;
130: if(p->thread_id==thread_id)
131: return p;
132: }
133: return 0;
134: }
135:
1.99 paf 136: static void
1.101 paf 137: xmlParserGenericErrorFunc(void *ctx, const char *msg, ...) {
138: pa_thread_t thread_id=pa_get_thread_id();
139:
140: // infinitely looking for free slot to fill it
141: while(true) {
142: SYNCHRONIZED; // find+fill blocked
143:
144: // first try to get existing for this thread_id
145: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
146: if(!p) { // occupy empty one
147: p=xml_generic_error_info(0);
148: if(!p) // wait for empty for it to appear
149: continue;
150: }
151:
1.102 paf 152: p->thread_id=thread_id;
1.101 paf 153: size_t offset=p->message?strlen(p->message):0;
154: p->message=(char *)realloc(p->message, offset+MAX_STRING);
155: if(!p->message)
156: SAPI::die(
157: "out of memory in 'xmlParserGenericErrorFunc', failed to reallocate to %u bytes",
158: offset+MAX_STRING);
159:
160: va_list args;
161: va_start(args, msg);
162: vsnprintf(p->message+offset, MAX_STRING, msg, args);
163: va_end(args);
164:
165: break;
166: }
167: }
168:
1.102 paf 169: bool xmlHaveGenericErrors() {
170: pa_thread_t thread_id=pa_get_thread_id();
171:
172: SYNCHRONIZED; // find blocked
173:
174: return xml_generic_error_info(thread_id)!=0;
175: }
176:
1.101 paf 177: const char *xmlGenericErrors() {
178: pa_thread_t thread_id=pa_get_thread_id();
179:
180: SYNCHRONIZED; // find+free blocked
181:
182: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
183: if(!p) // no errors for our thread_id registered
184: return 0;
185:
186: const char *result=p->message;
187:
188: // free slot up
189: memset(p, 0, sizeof(*p));
190:
191: // it is up to caller to free it
192: return result;
1.99 paf 193: }
1.110 paf 194:
195: /**
196: * xmlFileMatchWithLocalhostEqDocumentRoot:
197: * filename: the URI for matching
198: *
199: * check if the URI matches an HTTP one
200: *
201: * Returns 1 if matches, 0 otherwise
202: */
203: static int
204: xmlFileMatchLocalhost(const char *filename) {
205: if (!strncmp(filename, "http://localhost", 16))
206: return(1);
207: return(0);
208: }
209:
210:
211: /**
212: * xmlFileOpenHttpLocalhost :
213: * filename: the URI for matching
214: *
215: * http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
216: *
217: * input from FILE *, supports compressed input
218: * if filename is " " then the standard input is used
219: *
220: * Returns an I/O context or NULL in case of error
221: */
222: static void *
223: xmlFileOpenLocalhost (const char *filename) {
224: FILE *fd;
225: const char* documentRoot;
226: char path[1000];
227:
228: path[0]=0;
229: strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
230: strcat(path, &filename[16]);
231:
232: #ifdef WIN32
233: fd = fopen(path, "rb");
234: #else
235: fd = fopen(path, "r");
236: #endif /* WIN32 */
237: return((void *) fd);
238: }
239:
240: /**
241: * xmlFileRead:
242: * @context: the I/O context
243: * @buffer: where to drop data
244: * @len: number of bytes to write
245: *
246: * Read @len bytes to @buffer from the I/O channel.
247: *
248: * Returns the number of bytes written
249: */
250: static int
251: xmlFileRead (void * context, char * buffer, int len) {
252: return(fread(&buffer[0], 1, len, (FILE *) context));
253: }
254:
255: /**
256: * xmlFileWrite:
257: * @context: the I/O context
258: * @buffer: where to drop data
259: * @len: number of bytes to write
260: *
261: * Write @len bytes from @buffer to the I/O channel.
262: *
263: * Returns the number of bytes written
264: */
265: static int
266: xmlFileWrite (void * context, const char * buffer, int len) {
267: return(fwrite(&buffer[0], 1, len, (FILE *) context));
268: }
269:
270: /**
271: * xmlFileClose:
272: * @context: the I/O context
273: *
274: * Close an I/O channel
275: */
276: static int
277: xmlFileClose (void * context) {
278: return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
279: }
280:
1.99 paf 281: #endif
282:
1.83 parser 283: void pa_globals_destroy(void *) {
284: try {
1.96 paf 285: #ifdef XML
286: GdomeException exc;
287: gdome_di_unref (domimpl, &exc);
288: #endif
1.93 paf 289: if(cache_managers)
290: cache_managers->~Cache_managers();
1.95 paf 291:
292: charsets->~Charsets();
1.83 parser 293:
294: } catch(const Exception& e) {
295: SAPI::die("pa_globals_destroy failed: %s", e.comment());
296: }
297: }
298:
1.108 paf 299: /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
1.27 paf 300: void pa_globals_init(Pool& pool) {
1.83 parser 301: pool.register_cleanup(pa_globals_destroy, 0);
302:
1.32 paf 303: #undef NEW
304: #define NEW new(pool)
305:
1.5 paf 306: // hex value
307: setup_hex_value();
308:
1.1 paf 309: // names
1.32 paf 310: content_type_name=NEW String(pool, CONTENT_TYPE_NAME);
1.75 parser 311: charset_name=NEW String(pool, CHARSET_NAME);
1.32 paf 312: body_name=NEW String(pool, BODY_NAME);
313: value_name=NEW String(pool, VALUE_NAME);
314: expires_name=NEW String(pool, EXPIRES_NAME);
315: path_name=NEW String(pool, PATH_NAME);
316: name_name=NEW String(pool, NAME_NAME);
317: size_name=NEW String(pool, SIZE_NAME);
318: text_name=NEW String(pool, TEXT_NAME);
319:
320: exception_method_name=NEW String(pool, EXCEPTION_METHOD_NAME);
1.38 paf 321: post_process_method_name=NEW String(pool, POST_PROCESS_METHOD_NAME);
1.39 paf 322:
323: content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME);
324: content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME);
1.32 paf 325:
326: unnamed_name=NEW String(pool, UNNAMED_NAME);
327:
328: auto_method_name=NEW String(pool, AUTO_METHOD_NAME);
329: main_method_name=NEW String(pool, MAIN_METHOD_NAME);
330:
331: main_class_name=NEW String(pool, MAIN_CLASS_NAME);
1.6 paf 332:
1.32 paf 333: result_var_name=NEW String(pool, RESULT_VAR_NAME);
1.64 parser 334: match_var_name=NEW String(pool, MATCH_VAR_NAME);
1.41 paf 335: string_pre_match_name=NEW String(pool, STRING_PRE_MATCH_NAME);
1.40 paf 336: string_match_name=NEW String(pool, STRING_MATCH_NAME);
1.41 paf 337: string_post_match_name=NEW String(pool, STRING_POST_MATCH_NAME);
1.6 paf 338:
1.4 paf 339:
1.79 parser 340: charsets_name=NEW String(pool, CHARSETS_NAME);
1.36 paf 341: mime_types_name=NEW String(pool, MIME_TYPES_NAME);
342: vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME);
1.63 parser 343: origins_mode_name=NEW String(pool, ORIGINS_MODE_NAME);
1.69 parser 344:
345: class_path_name=NEW String(pool, CLASS_PATH_NAME);
1.66 parser 346:
347: //^switch ^case
348: switch_data_name=NEW String(pool, SWITCH_DATA_NAME);
349: case_default_value=NEW String(pool, CASE_DEFAULT_VALUE);
1.70 parser 350:
351: // sql
352: sql_limit_name=NEW String(pool, SQL_LIMIT_NAME);
353: sql_offset_name=NEW String(pool, SQL_OFFSET_NAME);
354: sql_default_name=NEW String(pool, SQL_DEFAULT_NAME);
1.71 parser 355:
1.95 paf 356: // charsets
357: charset_UTF8_name=NEW String(pool, CHARSET_UTF8_NAME);
358:
1.71 parser 359: // hash
360: hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME);
1.70 parser 361:
1.66 parser 362:
1.1 paf 363: // hashes
1.32 paf 364: untaint_lang_name2enum=NEW Hash(pool);
1.87 paf 365: #define ULN(cstr, LANG) \
366: untaint_lang_name2enum->put(*NEW String(pool, cstr), (int)String::UL_##LANG);
367: ULN("as-is", AS_IS);
368: ULN("file-spec", FILE_SPEC);
369: ULN("http-header", HTTP_HEADER);
370: ULN("mail-header", MAIL_HEADER);
371: ULN("uri", URI);
372: ULN("table", TABLE);
373: ULN("sql", SQL);
374: ULN("js", JS);
375: ULN("xml", XML);
376: ULN("html", HTML);
1.92 paf 377: ULN("optimized-html", HTML|String::UL_OPTIMIZE_BIT);
1.1 paf 378:
1.95 paf 379: // charsets
380: charsets=NEW Charsets(pool);
381: charsets->put(*charset_UTF8_name,
382: utf8_charset=NEW Charset(pool, *charset_UTF8_name, 0/*no file=system*/));
1.88 paf 383:
1.101 paf 384:
1.88 paf 385: // Status registration, must be initialized before all registrants
1.90 paf 386: cache_managers=NEW Cache_managers(pool);
1.42 paf 387:
1.73 parser 388: // SQL driver manager
1.90 paf 389: cache_managers->put(*NEW String(pool, "sql"),
390: SQL_driver_manager=NEW SQL_Driver_manager(pool));
1.74 parser 391:
1.76 parser 392: #ifdef XML
1.96 paf 393: // initializing xml libs
394:
395: /* First I get a DOMImplementation reference */
396: domimpl = gdome_di_mkref ();
397: /*
398: * Register the EXSLT extensions and the test module
399: */
400: exsltRegisterAll();
401: xsltRegisterTestModule();
402: xmlDefaultSAXHandlerInit();
403: /*
404: * disable CDATA from being built in the document tree
405: */
1.101 paf 406: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
1.99 paf 407:
408: /*
409: * Initialization function for the XML parser.
410: * This is not reentrant. Call once before processing in case of
411: * use in multithreaded programs.
412: */
413: xmlInitParser();
1.107 paf 414:
415: // 1. this is needed for proper parsing of stylesheets
416: // there were a situation where honest entity ruined innocent xpath compilation
417: // doc says "you sould turn it on on stylesheet load" without deepening into details
418: // 2. when dom tree with entites goes under transform text nodes
419: // got [erroreosly] cut on first entity occurance
1.109 paf 420: // --
1.107 paf 421: // that is why this is:
422: xmlSubstituteEntitiesDefault(1);
1.100 paf 423:
424: // Bit in the loadsubset context field to tell to do ID/REFs lookups
425: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
426: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
427: // with the ones defaulted from the DTDs
428: //never added yet xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.99 paf 429:
1.104 paf 430: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 431: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 432:
1.101 paf 433: memset(xml_generic_error_infos, 0, sizeof(xml_generic_error_infos));
434: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 435: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 436: // FILE *f=fopen("y:\\xslt.log", "wt");
437: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 438:
439: // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
440: xmlRegisterInputCallbacks(
441: xmlFileMatchLocalhost, xmlFileOpenLocalhost,
442: xmlFileRead, xmlFileClose);
1.96 paf 443:
444: // XSLT stylesheet manager
1.90 paf 445: cache_managers->put(*NEW String(pool, "stylesheet"),
446: stylesheet_manager=NEW Stylesheet_manager(pool));
1.76 parser 447: #endif
1.1 paf 448: }
1.76 parser 449:
450: #if defined(XML) && defined(_MSC_VER)
1.96 paf 451: # define XML_LIBS "/parser3project/win32xml"
452: # pragma comment(lib, XML_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 453: # ifdef _DEBUG
1.114 paf 454: # pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
455: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
456: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
457: # pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
1.76 parser 458: # else
1.114 paf 459: # pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
460: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
461: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
462: # pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
1.85 paf 463: # endif
464: #endif
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