Annotation of parser3/src/main/pa_globals.C, revision 1.125
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:
1.125 ! paf 7: $Id: pa_globals.C,v 1.124.2.1 2002/05/06 10:50:23 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 *auto_method_name;
49: String *main_method_name;
50:
51: String *main_class_name;
52:
1.6 paf 53: String *result_var_name;
1.64 parser 54: String *match_var_name;
1.6 paf 55:
1.119 paf 56: String *exception_var_name;
57: String *exception_type_part_name;
58: String *exception_source_part_name;
59: String *exception_comment_part_name;
60: String *exception_handled_part_name;
61:
1.79 parser 62: String *charsets_name;
1.36 paf 63: String *mime_types_name;
64: String *vfile_mime_type_name;
1.63 parser 65: String *origins_mode_name;
1.67 parser 66:
1.69 parser 67: String *class_path_name;
68:
1.67 parser 69: String *switch_data_name;
70:
1.120 paf 71: String *cache_data_name;
72:
1.70 parser 73: String *sql_limit_name;
74: String *sql_offset_name;
75: String *sql_default_name;
76:
1.95 paf 77: String *charset_UTF8_name;
78:
1.71 parser 79: String *hash_default_element_name;
1.42 paf 80:
1.124 paf 81: Table *string_match_table_template;
1.123 paf 82:
1.1 paf 83: Hash *untaint_lang_name2enum;
84:
1.95 paf 85: Charset *utf8_charset;
1.32 paf 86:
1.5 paf 87: short hex_value[0x100];
1.111 paf 88:
89: #ifdef XML
90: GdomeDOMImplementation *domimpl;
91: #endif
1.5 paf 92:
93: static void setup_hex_value() {
1.68 parser 94: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 95: hex_value['0'] = 0;
96: hex_value['1'] = 1;
97: hex_value['2'] = 2;
98: hex_value['3'] = 3;
99: hex_value['4'] = 4;
100: hex_value['5'] = 5;
101: hex_value['6'] = 6;
102: hex_value['7'] = 7;
103: hex_value['8'] = 8;
104: hex_value['9'] = 9;
105: hex_value['A'] = 10;
106: hex_value['B'] = 11;
107: hex_value['C'] = 12;
108: hex_value['D'] = 13;
109: hex_value['E'] = 14;
110: hex_value['F'] = 15;
111: hex_value['a'] = 10;
112: hex_value['b'] = 11;
113: hex_value['c'] = 12;
114: hex_value['d'] = 13;
115: hex_value['e'] = 14;
116: hex_value['f'] = 15;
117: }
1.1 paf 118:
1.99 paf 119: #ifdef XML
1.101 paf 120:
121: const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
122:
123: struct XML_Generic_error_info {
124: pa_thread_t thread_id;
125: char *message;
126: } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS];
127:
128: XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) {
129: for(int i=0; i<MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS; i++) {
130: XML_Generic_error_info *p=xml_generic_error_infos+i;
131: if(p->thread_id==thread_id)
132: return p;
133: }
134: return 0;
135: }
136:
1.99 paf 137: static void
1.101 paf 138: xmlParserGenericErrorFunc(void *ctx, const char *msg, ...) {
139: pa_thread_t thread_id=pa_get_thread_id();
140:
141: // infinitely looking for free slot to fill it
142: while(true) {
143: SYNCHRONIZED; // find+fill blocked
144:
145: // first try to get existing for this thread_id
146: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
147: if(!p) { // occupy empty one
148: p=xml_generic_error_info(0);
149: if(!p) // wait for empty for it to appear
150: continue;
151: }
152:
1.102 paf 153: p->thread_id=thread_id;
1.101 paf 154: size_t offset=p->message?strlen(p->message):0;
155: p->message=(char *)realloc(p->message, offset+MAX_STRING);
156: if(!p->message)
157: SAPI::die(
158: "out of memory in 'xmlParserGenericErrorFunc', failed to reallocate to %u bytes",
159: offset+MAX_STRING);
160:
161: va_list args;
162: va_start(args, msg);
163: vsnprintf(p->message+offset, MAX_STRING, msg, args);
164: va_end(args);
165:
166: break;
167: }
168: }
169:
1.102 paf 170: bool xmlHaveGenericErrors() {
171: pa_thread_t thread_id=pa_get_thread_id();
172:
173: SYNCHRONIZED; // find blocked
174:
175: return xml_generic_error_info(thread_id)!=0;
176: }
177:
1.101 paf 178: const char *xmlGenericErrors() {
179: pa_thread_t thread_id=pa_get_thread_id();
180:
181: SYNCHRONIZED; // find+free blocked
182:
183: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
184: if(!p) // no errors for our thread_id registered
185: return 0;
186:
187: const char *result=p->message;
188:
189: // free slot up
190: memset(p, 0, sizeof(*p));
191:
192: // it is up to caller to free it
193: return result;
1.99 paf 194: }
1.110 paf 195:
196: /**
197: * xmlFileMatchWithLocalhostEqDocumentRoot:
198: * filename: the URI for matching
199: *
200: * check if the URI matches an HTTP one
201: *
202: * Returns 1 if matches, 0 otherwise
203: */
204: static int
205: xmlFileMatchLocalhost(const char *filename) {
206: if (!strncmp(filename, "http://localhost", 16))
207: return(1);
208: return(0);
209: }
210:
211:
212: /**
213: * xmlFileOpenHttpLocalhost :
214: * filename: the URI for matching
215: *
216: * http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
217: *
218: * input from FILE *, supports compressed input
219: * if filename is " " then the standard input is used
220: *
221: * Returns an I/O context or NULL in case of error
222: */
223: static void *
224: xmlFileOpenLocalhost (const char *filename) {
225: FILE *fd;
226: const char* documentRoot;
227: char path[1000];
228:
229: path[0]=0;
230: strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
231: strcat(path, &filename[16]);
232:
233: #ifdef WIN32
234: fd = fopen(path, "rb");
235: #else
236: fd = fopen(path, "r");
237: #endif /* WIN32 */
238: return((void *) fd);
239: }
240:
241: /**
242: * xmlFileRead:
243: * @context: the I/O context
244: * @buffer: where to drop data
245: * @len: number of bytes to write
246: *
247: * Read @len bytes to @buffer from the I/O channel.
248: *
249: * Returns the number of bytes written
250: */
251: static int
252: xmlFileRead (void * context, char * buffer, int len) {
253: return(fread(&buffer[0], 1, len, (FILE *) context));
254: }
255:
256: /**
257: * xmlFileWrite:
258: * @context: the I/O context
259: * @buffer: where to drop data
260: * @len: number of bytes to write
261: *
262: * Write @len bytes from @buffer to the I/O channel.
263: *
264: * Returns the number of bytes written
265: */
266: static int
267: xmlFileWrite (void * context, const char * buffer, int len) {
268: return(fwrite(&buffer[0], 1, len, (FILE *) context));
269: }
270:
271: /**
272: * xmlFileClose:
273: * @context: the I/O context
274: *
275: * Close an I/O channel
276: */
277: static int
278: xmlFileClose (void * context) {
279: return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
280: }
281:
1.99 paf 282: #endif
283:
1.83 parser 284: void pa_globals_destroy(void *) {
285: try {
1.96 paf 286: #ifdef XML
287: GdomeException exc;
288: gdome_di_unref (domimpl, &exc);
289: #endif
1.93 paf 290: if(cache_managers)
291: cache_managers->~Cache_managers();
1.95 paf 292:
293: charsets->~Charsets();
1.83 parser 294:
295: } catch(const Exception& e) {
296: SAPI::die("pa_globals_destroy failed: %s", e.comment());
297: }
298: }
299:
1.108 paf 300: /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
1.27 paf 301: void pa_globals_init(Pool& pool) {
1.83 parser 302: pool.register_cleanup(pa_globals_destroy, 0);
303:
1.32 paf 304: #undef NEW
305: #define NEW new(pool)
306:
1.5 paf 307: // hex value
308: setup_hex_value();
309:
1.1 paf 310: // names
1.32 paf 311: content_type_name=NEW String(pool, CONTENT_TYPE_NAME);
1.75 parser 312: charset_name=NEW String(pool, CHARSET_NAME);
1.32 paf 313: body_name=NEW String(pool, BODY_NAME);
314: value_name=NEW String(pool, VALUE_NAME);
315: expires_name=NEW String(pool, EXPIRES_NAME);
316: path_name=NEW String(pool, PATH_NAME);
317: name_name=NEW String(pool, NAME_NAME);
318: size_name=NEW String(pool, SIZE_NAME);
319: text_name=NEW String(pool, TEXT_NAME);
320:
1.119 paf 321: unhandled_exception_method_name=NEW String(pool, UNHANDLED_EXCEPTION_METHOD_NAME);
1.38 paf 322: post_process_method_name=NEW String(pool, POST_PROCESS_METHOD_NAME);
1.39 paf 323:
324: content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME);
325: content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME);
1.32 paf 326:
327: auto_method_name=NEW String(pool, AUTO_METHOD_NAME);
328: main_method_name=NEW String(pool, MAIN_METHOD_NAME);
329:
330: main_class_name=NEW String(pool, MAIN_CLASS_NAME);
1.6 paf 331:
1.32 paf 332: result_var_name=NEW String(pool, RESULT_VAR_NAME);
1.64 parser 333: match_var_name=NEW String(pool, MATCH_VAR_NAME);
1.6 paf 334:
1.119 paf 335: exception_var_name=NEW String(pool, EXCEPTION_VAR_NAME);
336: exception_type_part_name=NEW String(pool, EXCEPTION_TYPE_PART_NAME);
337: exception_source_part_name=NEW String(pool, EXCEPTION_SOURCE_PART_NAME);
338: exception_comment_part_name=NEW String(pool, EXCEPTION_COMMENT_PART_NAME);
339: exception_handled_part_name=NEW String(pool, EXCEPTION_HANDLED_PART_NAME);
1.4 paf 340:
1.79 parser 341: charsets_name=NEW String(pool, CHARSETS_NAME);
1.36 paf 342: mime_types_name=NEW String(pool, MIME_TYPES_NAME);
343: vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME);
1.63 parser 344: origins_mode_name=NEW String(pool, ORIGINS_MODE_NAME);
1.69 parser 345:
346: class_path_name=NEW String(pool, CLASS_PATH_NAME);
1.66 parser 347:
348: //^switch ^case
349: switch_data_name=NEW String(pool, SWITCH_DATA_NAME);
1.120 paf 350:
351: //^cache
352: cache_data_name=NEW String(pool, CACHE_DATA_NAME);
1.70 parser 353:
354: // sql
355: sql_limit_name=NEW String(pool, SQL_LIMIT_NAME);
356: sql_offset_name=NEW String(pool, SQL_OFFSET_NAME);
357: sql_default_name=NEW String(pool, SQL_DEFAULT_NAME);
1.71 parser 358:
1.95 paf 359: // charsets
360: charset_UTF8_name=NEW String(pool, CHARSET_UTF8_NAME);
361:
1.71 parser 362: // hash
363: hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME);
1.70 parser 364:
1.1 paf 365: // hashes
1.32 paf 366: untaint_lang_name2enum=NEW Hash(pool);
1.87 paf 367: #define ULN(cstr, LANG) \
368: untaint_lang_name2enum->put(*NEW String(pool, cstr), (int)String::UL_##LANG);
369: ULN("as-is", AS_IS);
370: ULN("file-spec", FILE_SPEC);
371: ULN("http-header", HTTP_HEADER);
372: ULN("mail-header", MAIL_HEADER);
373: ULN("uri", URI);
374: ULN("table", TABLE);
375: ULN("sql", SQL);
376: ULN("js", JS);
377: ULN("xml", XML);
378: ULN("html", HTML);
1.92 paf 379: ULN("optimized-html", HTML|String::UL_OPTIMIZE_BIT);
1.123 paf 380:
381: // table
382: { // create table
1.124 paf 383: Array *string_match_table_columns=NEW Array(pool);
1.123 paf 384: *string_match_table_columns+=NEW String(pool, STRING_PRE_MATCH_NAME);
385: *string_match_table_columns+=NEW String(pool, STRING_MATCH_NAME);
386: *string_match_table_columns+=NEW String(pool, STRING_POST_MATCH_NAME);
387: for(int i=1; i<=MAX_STRING_MATCH_TABLE_COLUMNS; i++) {
1.125 ! paf 388: char *column=(char *)pool.malloc(MAX_NUMBER);
1.123 paf 389: snprintf(column, MAX_NUMBER, "%d", i);
390: *string_match_table_columns+=NEW String(pool, column); // .i column name
391: }
1.124 paf 392: string_match_table_template=NEW Table(pool, 0, string_match_table_columns);
1.123 paf 393: }
1.1 paf 394:
1.95 paf 395: // charsets
396: charsets=NEW Charsets(pool);
397: charsets->put(*charset_UTF8_name,
398: utf8_charset=NEW Charset(pool, *charset_UTF8_name, 0/*no file=system*/));
1.88 paf 399:
1.101 paf 400:
1.88 paf 401: // Status registration, must be initialized before all registrants
1.90 paf 402: cache_managers=NEW Cache_managers(pool);
1.42 paf 403:
1.73 parser 404: // SQL driver manager
1.90 paf 405: cache_managers->put(*NEW String(pool, "sql"),
406: SQL_driver_manager=NEW SQL_Driver_manager(pool));
1.74 parser 407:
1.76 parser 408: #ifdef XML
1.96 paf 409: // initializing xml libs
410:
411: /* First I get a DOMImplementation reference */
412: domimpl = gdome_di_mkref ();
413: /*
414: * Register the EXSLT extensions and the test module
415: */
416: exsltRegisterAll();
417: xsltRegisterTestModule();
418: xmlDefaultSAXHandlerInit();
419: /*
420: * disable CDATA from being built in the document tree
421: */
1.101 paf 422: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
1.99 paf 423:
424: /*
425: * Initialization function for the XML parser.
426: * This is not reentrant. Call once before processing in case of
427: * use in multithreaded programs.
428: */
429: xmlInitParser();
1.107 paf 430:
431: // 1. this is needed for proper parsing of stylesheets
432: // there were a situation where honest entity ruined innocent xpath compilation
433: // doc says "you sould turn it on on stylesheet load" without deepening into details
434: // 2. when dom tree with entites goes under transform text nodes
435: // got [erroreosly] cut on first entity occurance
1.109 paf 436: // --
1.107 paf 437: // that is why this is:
438: xmlSubstituteEntitiesDefault(1);
1.100 paf 439:
440: // Bit in the loadsubset context field to tell to do ID/REFs lookups
441: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
442: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
443: // with the ones defaulted from the DTDs
444: //never added yet xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.99 paf 445:
1.104 paf 446: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 447: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 448:
1.101 paf 449: memset(xml_generic_error_infos, 0, sizeof(xml_generic_error_infos));
450: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 451: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 452: // FILE *f=fopen("y:\\xslt.log", "wt");
453: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 454:
455: // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
456: xmlRegisterInputCallbacks(
457: xmlFileMatchLocalhost, xmlFileOpenLocalhost,
458: xmlFileRead, xmlFileClose);
1.96 paf 459:
460: // XSLT stylesheet manager
1.90 paf 461: cache_managers->put(*NEW String(pool, "stylesheet"),
462: stylesheet_manager=NEW Stylesheet_manager(pool));
1.76 parser 463: #endif
1.1 paf 464: }
1.76 parser 465:
466: #if defined(XML) && defined(_MSC_VER)
1.96 paf 467: # define XML_LIBS "/parser3project/win32xml"
468: # pragma comment(lib, XML_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 469: # ifdef _DEBUG
1.114 paf 470: # pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
471: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
472: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
473: # pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
1.76 parser 474: # else
1.114 paf 475: # pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
476: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
477: # pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
478: # pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
1.85 paf 479: # endif
480: #endif
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