Annotation of parser3/src/main/pa_globals.C, revision 1.127
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:
1.127 ! paf 7: $Id: pa_globals.C,v 1.126 2002/05/07 07:39:19 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:
1.39 paf 42: String *content_disposition_name;
43: String *content_disposition_filename_name;
44:
1.1 paf 45: String *auto_method_name;
46:
47: String *main_class_name;
48:
1.6 paf 49: String *result_var_name;
1.64 parser 50: String *match_var_name;
1.6 paf 51:
1.119 paf 52: String *exception_var_name;
53: String *exception_type_part_name;
54: String *exception_source_part_name;
55: String *exception_comment_part_name;
56: String *exception_handled_part_name;
57:
1.79 parser 58: String *charsets_name;
1.36 paf 59: String *mime_types_name;
60: String *vfile_mime_type_name;
1.63 parser 61: String *origins_mode_name;
1.67 parser 62:
1.69 parser 63: String *class_path_name;
64:
1.67 parser 65: String *switch_data_name;
66:
1.120 paf 67: String *cache_data_name;
68:
1.70 parser 69: String *sql_limit_name;
70: String *sql_offset_name;
71: String *sql_default_name;
72:
1.95 paf 73: String *charset_UTF8_name;
74:
1.71 parser 75: String *hash_default_element_name;
1.42 paf 76:
1.124 paf 77: Table *string_match_table_template;
1.123 paf 78:
1.1 paf 79: Hash *untaint_lang_name2enum;
80:
1.95 paf 81: Charset *utf8_charset;
1.32 paf 82:
1.5 paf 83: short hex_value[0x100];
1.111 paf 84:
85: #ifdef XML
86: GdomeDOMImplementation *domimpl;
87: #endif
1.5 paf 88:
89: static void setup_hex_value() {
1.68 parser 90: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 91: hex_value['0'] = 0;
92: hex_value['1'] = 1;
93: hex_value['2'] = 2;
94: hex_value['3'] = 3;
95: hex_value['4'] = 4;
96: hex_value['5'] = 5;
97: hex_value['6'] = 6;
98: hex_value['7'] = 7;
99: hex_value['8'] = 8;
100: hex_value['9'] = 9;
101: hex_value['A'] = 10;
102: hex_value['B'] = 11;
103: hex_value['C'] = 12;
104: hex_value['D'] = 13;
105: hex_value['E'] = 14;
106: hex_value['F'] = 15;
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: }
1.1 paf 114:
1.99 paf 115: #ifdef XML
1.101 paf 116:
117: const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
118:
119: struct XML_Generic_error_info {
120: pa_thread_t thread_id;
121: char *message;
122: } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS];
123:
124: XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) {
125: for(int i=0; i<MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS; i++) {
126: XML_Generic_error_info *p=xml_generic_error_infos+i;
127: if(p->thread_id==thread_id)
128: return p;
129: }
130: return 0;
131: }
132:
1.99 paf 133: static void
1.101 paf 134: xmlParserGenericErrorFunc(void *ctx, const char *msg, ...) {
135: pa_thread_t thread_id=pa_get_thread_id();
136:
137: // infinitely looking for free slot to fill it
138: while(true) {
139: SYNCHRONIZED; // find+fill blocked
140:
141: // first try to get existing for this thread_id
142: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
143: if(!p) { // occupy empty one
144: p=xml_generic_error_info(0);
145: if(!p) // wait for empty for it to appear
146: continue;
147: }
148:
1.102 paf 149: p->thread_id=thread_id;
1.101 paf 150: size_t offset=p->message?strlen(p->message):0;
151: p->message=(char *)realloc(p->message, offset+MAX_STRING);
152: if(!p->message)
153: SAPI::die(
154: "out of memory in 'xmlParserGenericErrorFunc', failed to reallocate to %u bytes",
155: offset+MAX_STRING);
156:
157: va_list args;
158: va_start(args, msg);
159: vsnprintf(p->message+offset, MAX_STRING, msg, args);
160: va_end(args);
161:
162: break;
163: }
164: }
165:
1.102 paf 166: bool xmlHaveGenericErrors() {
167: pa_thread_t thread_id=pa_get_thread_id();
168:
169: SYNCHRONIZED; // find blocked
170:
171: return xml_generic_error_info(thread_id)!=0;
172: }
173:
1.101 paf 174: const char *xmlGenericErrors() {
175: pa_thread_t thread_id=pa_get_thread_id();
176:
177: SYNCHRONIZED; // find+free blocked
178:
179: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
180: if(!p) // no errors for our thread_id registered
181: return 0;
182:
183: const char *result=p->message;
184:
185: // free slot up
186: memset(p, 0, sizeof(*p));
187:
188: // it is up to caller to free it
189: return result;
1.99 paf 190: }
1.110 paf 191:
192: /**
193: * xmlFileMatchWithLocalhostEqDocumentRoot:
194: * filename: the URI for matching
195: *
196: * check if the URI matches an HTTP one
197: *
198: * Returns 1 if matches, 0 otherwise
199: */
200: static int
201: xmlFileMatchLocalhost(const char *filename) {
202: if (!strncmp(filename, "http://localhost", 16))
203: return(1);
204: return(0);
205: }
206:
207:
208: /**
209: * xmlFileOpenHttpLocalhost :
210: * filename: the URI for matching
211: *
212: * http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
213: *
214: * input from FILE *, supports compressed input
215: * if filename is " " then the standard input is used
216: *
217: * Returns an I/O context or NULL in case of error
218: */
219: static void *
220: xmlFileOpenLocalhost (const char *filename) {
221: FILE *fd;
222: const char* documentRoot;
223: char path[1000];
224:
225: path[0]=0;
226: strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
227: strcat(path, &filename[16]);
228:
229: #ifdef WIN32
230: fd = fopen(path, "rb");
231: #else
232: fd = fopen(path, "r");
233: #endif /* WIN32 */
234: return((void *) fd);
235: }
236:
237: /**
238: * xmlFileRead:
239: * @context: the I/O context
240: * @buffer: where to drop data
241: * @len: number of bytes to write
242: *
243: * Read @len bytes to @buffer from the I/O channel.
244: *
245: * Returns the number of bytes written
246: */
247: static int
248: xmlFileRead (void * context, char * buffer, int len) {
249: return(fread(&buffer[0], 1, len, (FILE *) context));
250: }
251:
252: /**
253: * xmlFileWrite:
254: * @context: the I/O context
255: * @buffer: where to drop data
256: * @len: number of bytes to write
257: *
258: * Write @len bytes from @buffer to the I/O channel.
259: *
260: * Returns the number of bytes written
261: */
262: static int
263: xmlFileWrite (void * context, const char * buffer, int len) {
264: return(fwrite(&buffer[0], 1, len, (FILE *) context));
265: }
266:
267: /**
268: * xmlFileClose:
269: * @context: the I/O context
270: *
271: * Close an I/O channel
272: */
273: static int
274: xmlFileClose (void * context) {
275: return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
276: }
277:
1.99 paf 278: #endif
279:
1.83 parser 280: void pa_globals_destroy(void *) {
281: try {
1.96 paf 282: #ifdef XML
283: GdomeException exc;
284: gdome_di_unref (domimpl, &exc);
285: #endif
1.93 paf 286: if(cache_managers)
287: cache_managers->~Cache_managers();
1.95 paf 288:
289: charsets->~Charsets();
1.83 parser 290:
291: } catch(const Exception& e) {
292: SAPI::die("pa_globals_destroy failed: %s", e.comment());
293: }
294: }
295:
1.108 paf 296: /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
1.27 paf 297: void pa_globals_init(Pool& pool) {
1.83 parser 298: pool.register_cleanup(pa_globals_destroy, 0);
299:
1.32 paf 300: #undef NEW
301: #define NEW new(pool)
302:
1.5 paf 303: // hex value
304: setup_hex_value();
305:
1.1 paf 306: // names
1.32 paf 307: content_type_name=NEW String(pool, CONTENT_TYPE_NAME);
1.75 parser 308: charset_name=NEW String(pool, CHARSET_NAME);
1.32 paf 309: body_name=NEW String(pool, BODY_NAME);
310: value_name=NEW String(pool, VALUE_NAME);
311: expires_name=NEW String(pool, EXPIRES_NAME);
312: path_name=NEW String(pool, PATH_NAME);
313: name_name=NEW String(pool, NAME_NAME);
314: size_name=NEW String(pool, SIZE_NAME);
315: text_name=NEW String(pool, TEXT_NAME);
316:
1.39 paf 317: content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME);
318: content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME);
1.32 paf 319:
320: auto_method_name=NEW String(pool, AUTO_METHOD_NAME);
321:
322: main_class_name=NEW String(pool, MAIN_CLASS_NAME);
1.6 paf 323:
1.32 paf 324: result_var_name=NEW String(pool, RESULT_VAR_NAME);
1.64 parser 325: match_var_name=NEW String(pool, MATCH_VAR_NAME);
1.6 paf 326:
1.119 paf 327: exception_var_name=NEW String(pool, EXCEPTION_VAR_NAME);
328: exception_type_part_name=NEW String(pool, EXCEPTION_TYPE_PART_NAME);
329: exception_source_part_name=NEW String(pool, EXCEPTION_SOURCE_PART_NAME);
330: exception_comment_part_name=NEW String(pool, EXCEPTION_COMMENT_PART_NAME);
331: exception_handled_part_name=NEW String(pool, EXCEPTION_HANDLED_PART_NAME);
1.4 paf 332:
1.79 parser 333: charsets_name=NEW String(pool, CHARSETS_NAME);
1.36 paf 334: mime_types_name=NEW String(pool, MIME_TYPES_NAME);
335: vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME);
1.63 parser 336: origins_mode_name=NEW String(pool, ORIGINS_MODE_NAME);
1.69 parser 337:
338: class_path_name=NEW String(pool, CLASS_PATH_NAME);
1.66 parser 339:
340: //^switch ^case
341: switch_data_name=NEW String(pool, SWITCH_DATA_NAME);
1.120 paf 342:
343: //^cache
344: cache_data_name=NEW String(pool, CACHE_DATA_NAME);
1.70 parser 345:
346: // sql
347: sql_limit_name=NEW String(pool, SQL_LIMIT_NAME);
348: sql_offset_name=NEW String(pool, SQL_OFFSET_NAME);
349: sql_default_name=NEW String(pool, SQL_DEFAULT_NAME);
1.71 parser 350:
1.95 paf 351: // charsets
352: charset_UTF8_name=NEW String(pool, CHARSET_UTF8_NAME);
353:
1.71 parser 354: // hash
355: hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME);
1.70 parser 356:
1.1 paf 357: // hashes
1.32 paf 358: untaint_lang_name2enum=NEW Hash(pool);
1.87 paf 359: #define ULN(cstr, LANG) \
360: untaint_lang_name2enum->put(*NEW String(pool, cstr), (int)String::UL_##LANG);
361: ULN("as-is", AS_IS);
362: ULN("file-spec", FILE_SPEC);
363: ULN("http-header", HTTP_HEADER);
364: ULN("mail-header", MAIL_HEADER);
365: ULN("uri", URI);
366: ULN("table", TABLE);
367: ULN("sql", SQL);
368: ULN("js", JS);
369: ULN("xml", XML);
370: ULN("html", HTML);
1.92 paf 371: ULN("optimized-html", HTML|String::UL_OPTIMIZE_BIT);
1.123 paf 372:
373: // table
374: { // create table
1.124 paf 375: Array *string_match_table_columns=NEW Array(pool);
1.123 paf 376: *string_match_table_columns+=NEW String(pool, STRING_PRE_MATCH_NAME);
377: *string_match_table_columns+=NEW String(pool, STRING_MATCH_NAME);
378: *string_match_table_columns+=NEW String(pool, STRING_POST_MATCH_NAME);
379: for(int i=1; i<=MAX_STRING_MATCH_TABLE_COLUMNS; i++) {
1.125 paf 380: char *column=(char *)pool.malloc(MAX_NUMBER);
1.123 paf 381: snprintf(column, MAX_NUMBER, "%d", i);
382: *string_match_table_columns+=NEW String(pool, column); // .i column name
383: }
1.124 paf 384: string_match_table_template=NEW Table(pool, 0, string_match_table_columns);
1.123 paf 385: }
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)
1.127 ! paf 459: # define XML_LIBS "/parser3project/win32/xml"
1.96 paf 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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