Annotation of parser3/src/main/pa_globals.C, revision 1.152.2.11
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.152.2.10 paf 4: Copyright (c) 2001-2003 ArtLebedev Group (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:
1.152.2.11! paf 8: static const char* IDENT_GLOBALS_C="$Date: 2003/01/31 12:34:37 $";
1.1 paf 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"
1.83 parser 22: #include "pa_sapi.h"
1.101 paf 23: #include "pa_threads.h"
1.152.2.2 paf 24:
1.152.2.4 paf 25: #ifdef XML
26: #include "pa_stylesheet_manager.h"
27: #endif
28:
1.152.2.2 paf 29:
30:
31:
32: #define DEFAULTS_NAME "DEFAULTS"
33:
34: #define MATCH_VAR_NAME "match"
35:
36: #define EXCEPTION_VAR_NAME "exception"
37: #define EXCEPTION_TYPE_PART_NAME "type"
38: #define EXCEPTION_SOURCE_PART_NAME "source"
39: #define EXCEPTION_COMMENT_PART_NAME "comment"
40: #define EXCEPTION_HANDLED_PART_NAME "handled"
41:
42:
43: #define DATE_CALENDAR_WEEKNO_NAME "week"
44: #define DATE_CALENDAR_WEEKYEAR_NAME "year"
45:
46: #define CONTENT_DISPOSITION_NAME "content-disposition"
47: #define CONTENT_DISPOSITION_VALUE "attachment"
48: #define CONTENT_DISPOSITION_FILENAME_NAME "filename"
49:
50: #define SWITCH_DATA_NAME "SWITCH-DATA"
51:
52: #define CACHE_DATA_NAME "CACHE-DATA"
53:
54: #define SQL_LIMIT_NAME "limit"
55: #define SQL_OFFSET_NAME "offset"
56: #define SQL_DEFAULT_NAME "default"
57: #define SQL_DISTINCT_NAME "distinct"
58:
59: #define HASH_DEFAULT_ELEMENT_NAME "_default"
60:
61: #define HTTP_METHOD_NAME "method"
62: #define HTTP_TIMEOUT_NAME "timeout"
63: #define HTTP_HEADERS_NAME "headers"
64: #define HTTP_ANY_STATUS_NAME "any-status"
65: #define FILE_STATUS_NAME "status"
1.84 parser 66:
1.152.2.3 paf 67:
68: StringPtr content_disposition_name(new String(CONTENT_DISPOSITION_NAME));
69: StringPtr content_disposition_value(new String(CONTENT_DISPOSITION_VALUE));
70: StringPtr content_disposition_filename_name(new String(CONTENT_DISPOSITION_FILENAME_NAME));
71:
72:
73: StringPtr match_var_name(new String(MATCH_VAR_NAME));
74:
75: StringPtr exception_var_name(new String(EXCEPTION_VAR_NAME));
76: StringPtr exception_type_part_name(new String(EXCEPTION_TYPE_PART_NAME));
77: StringPtr exception_source_part_name(new String(EXCEPTION_SOURCE_PART_NAME));
78: StringPtr exception_comment_part_name(new String(EXCEPTION_COMMENT_PART_NAME));
79: StringPtr exception_handled_part_name(new String(EXCEPTION_HANDLED_PART_NAME));
80:
1.152.2.1 paf 81:
82: //^switch ^case
1.152.2.3 paf 83: StringPtr switch_data_name(new String(SWITCH_DATA_NAME));
1.152.2.1 paf 84:
85: //^cache
1.152.2.3 paf 86: StringPtr cache_data_name(new String(CACHE_DATA_NAME));
1.152.2.1 paf 87:
88: // sql
1.152.2.3 paf 89: StringPtr sql_limit_name(new String(SQL_LIMIT_NAME));
90: StringPtr sql_offset_name(new String(SQL_OFFSET_NAME));
91: StringPtr sql_default_name(new String(SQL_DEFAULT_NAME));
92: StringPtr sql_distinct_name(new String(SQL_DISTINCT_NAME));
1.152.2.1 paf 93:
94: // hash
1.152.2.3 paf 95: StringPtr hash_default_element_name(new String(HASH_DEFAULT_ELEMENT_NAME));
1.152.2.1 paf 96:
97: // http
1.152.2.3 paf 98: StringPtr http_method_name(new String(HTTP_METHOD_NAME));
99: StringPtr http_timeout_name(new String(HTTP_TIMEOUT_NAME));
100: StringPtr http_headers_name(new String(HTTP_HEADERS_NAME));
101: StringPtr http_any_status_name(new String(HTTP_ANY_STATUS_NAME));
102: StringPtr file_status_name(new String(FILE_STATUS_NAME));
1.8 paf 103:
1.5 paf 104: short hex_value[0x100];
1.111 paf 105:
106: #ifdef XML
107: GdomeDOMImplementation *domimpl;
108: #endif
1.5 paf 109:
110: static void setup_hex_value() {
1.68 parser 111: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 112: hex_value['0'] = 0;
113: hex_value['1'] = 1;
114: hex_value['2'] = 2;
115: hex_value['3'] = 3;
116: hex_value['4'] = 4;
117: hex_value['5'] = 5;
118: hex_value['6'] = 6;
119: hex_value['7'] = 7;
120: hex_value['8'] = 8;
121: hex_value['9'] = 9;
122: hex_value['A'] = 10;
123: hex_value['B'] = 11;
124: hex_value['C'] = 12;
125: hex_value['D'] = 13;
126: hex_value['E'] = 14;
127: hex_value['F'] = 15;
128: hex_value['a'] = 10;
129: hex_value['b'] = 11;
130: hex_value['c'] = 12;
131: hex_value['d'] = 13;
132: hex_value['e'] = 14;
133: hex_value['f'] = 15;
134: }
1.1 paf 135:
1.99 paf 136: #ifdef XML
1.101 paf 137:
138: const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
139:
140: struct XML_Generic_error_info {
141: pa_thread_t thread_id;
142: char *message;
143: } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS];
144:
145: XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) {
146: for(int i=0; i<MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS; i++) {
147: XML_Generic_error_info *p=xml_generic_error_infos+i;
148: if(p->thread_id==thread_id)
149: return p;
150: }
151: return 0;
152: }
153:
1.99 paf 154: static void
1.152.2.10 paf 155: xmlParserGenericErrorFunc(void *ctx, const char* msg, ...) {
1.101 paf 156: pa_thread_t thread_id=pa_get_thread_id();
157:
158: // infinitely looking for free slot to fill it
159: while(true) {
160: SYNCHRONIZED; // find+fill blocked
161:
162: // first try to get existing for this thread_id
163: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
164: if(!p) { // occupy empty one
165: p=xml_generic_error_info(0);
166: if(!p) // wait for empty for it to appear
167: continue;
168: }
169:
1.102 paf 170: p->thread_id=thread_id;
1.101 paf 171: size_t offset=p->message?strlen(p->message):0;
172: p->message=(char *)realloc(p->message, offset+MAX_STRING);
173: if(!p->message)
174: SAPI::die(
175: "out of memory in 'xmlParserGenericErrorFunc', failed to reallocate to %u bytes",
176: offset+MAX_STRING);
177:
178: va_list args;
179: va_start(args, msg);
180: vsnprintf(p->message+offset, MAX_STRING, msg, args);
181: va_end(args);
182:
183: break;
184: }
185: }
186:
1.102 paf 187: bool xmlHaveGenericErrors() {
188: pa_thread_t thread_id=pa_get_thread_id();
189:
190: SYNCHRONIZED; // find blocked
191:
192: return xml_generic_error_info(thread_id)!=0;
193: }
194:
1.152.2.10 paf 195: const char* xmlGenericErrors() {
1.101 paf 196: pa_thread_t thread_id=pa_get_thread_id();
197:
198: SYNCHRONIZED; // find+free blocked
199:
200: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
201: if(!p) // no errors for our thread_id registered
202: return 0;
203:
1.152.2.10 paf 204: const char* result=p->message;
1.101 paf 205:
206: // free slot up
207: memset(p, 0, sizeof(*p));
208:
209: // it is up to caller to free it
210: return result;
1.99 paf 211: }
1.110 paf 212:
213: /**
214: * xmlFileMatchWithLocalhostEqDocumentRoot:
215: * filename: the URI for matching
216: *
217: * check if the URI matches an HTTP one
218: *
219: * Returns 1 if matches, 0 otherwise
220: */
221: static int
1.152.2.10 paf 222: xmlFileMatchLocalhost(const char* filename) {
1.110 paf 223: if (!strncmp(filename, "http://localhost", 16))
224: return(1);
225: return(0);
226: }
227:
228:
229: /**
230: * xmlFileOpenHttpLocalhost :
231: * filename: the URI for matching
232: *
233: * http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
234: *
235: * input from FILE *, supports compressed input
236: * if filename is " " then the standard input is used
237: *
238: * Returns an I/O context or NULL in case of error
239: */
240: static void *
1.152.2.10 paf 241: xmlFileOpenLocalhost (const char* filename) {
1.110 paf 242: FILE *fd;
243: const char* documentRoot;
244: char path[1000];
245:
246: path[0]=0;
247: strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
248: strcat(path, &filename[16]);
249:
250: #ifdef WIN32
251: fd = fopen(path, "rb");
252: #else
253: fd = fopen(path, "r");
254: #endif /* WIN32 */
255: return((void *) fd);
256: }
257:
1.150 paf 258: /**
259: * xmlFileRead:
260: * @context: the I/O context
261: * @buffer: where to drop data
262: * @len: number of bytes to write
263: *
264: * Read @len bytes to @buffer from the I/O channel.
265: *
266: * Returns the number of bytes written
267: */
268: static int
269: pa_xmlFileRead (void * context, char * buffer, int len) {
270: return(fread(&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: pa_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
1.83 parser 292: } catch(const Exception& e) {
293: SAPI::die("pa_globals_destroy failed: %s", e.comment());
294: }
295: }
296:
297:
1.152.2.1 paf 298: /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
299: void pa_globals_init() {
1.32 paf 300:
1.5 paf 301: // hex value
302: setup_hex_value();
1.74 parser 303:
1.76 parser 304: #ifdef XML
1.96 paf 305: // initializing xml libs
306:
307: /* First I get a DOMImplementation reference */
308: domimpl = gdome_di_mkref ();
309: /*
310: * Register the EXSLT extensions and the test module
311: */
312: exsltRegisterAll();
313: xsltRegisterTestModule();
314: xmlDefaultSAXHandlerInit();
315: /*
316: * disable CDATA from being built in the document tree
317: */
1.101 paf 318: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
1.99 paf 319:
320: /*
321: * Initialization function for the XML parser.
322: * This is not reentrant. Call once before processing in case of
323: * use in multithreaded programs.
324: */
325: xmlInitParser();
1.107 paf 326:
327: // 1. this is needed for proper parsing of stylesheets
328: // there were a situation where honest entity ruined innocent xpath compilation
329: // doc says "you sould turn it on on stylesheet load" without deepening into details
330: // 2. when dom tree with entites goes under transform text nodes
331: // got [erroreosly] cut on first entity occurance
1.109 paf 332: // --
1.107 paf 333: // that is why this is:
334: xmlSubstituteEntitiesDefault(1);
1.100 paf 335:
336: // Bit in the loadsubset context field to tell to do ID/REFs lookups
337: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
338: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
339: // with the ones defaulted from the DTDs
1.138 paf 340: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
341:
342: // validate each document after load/create (?)
343: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 344:
1.104 paf 345: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 346: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 347:
1.101 paf 348: memset(xml_generic_error_infos, 0, sizeof(xml_generic_error_infos));
349: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 350: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 351: // FILE *f=fopen("y:\\xslt.log", "wt");
352: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 353:
354: // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
355: xmlRegisterInputCallbacks(
356: xmlFileMatchLocalhost, xmlFileOpenLocalhost,
1.150 paf 357: pa_xmlFileRead, pa_xmlFileClose);
1.96 paf 358:
359: // XSLT stylesheet manager
1.90 paf 360: cache_managers->put(*NEW String(pool, "stylesheet"),
361: stylesheet_manager=NEW Stylesheet_manager(pool));
1.76 parser 362: #endif
1.1 paf 363: }
1.76 parser 364:
365: #if defined(XML) && defined(_MSC_VER)
1.132 paf 366: # define GNOME_LIBS "/parser3project/win32xml/win32/gnome"
1.131 paf 367: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 368: # ifdef _DEBUG
1.131 paf 369: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
370: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
371: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
372: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
1.76 parser 373: # else
1.131 paf 374: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
375: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
376: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
377: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
1.85 paf 378: # endif
379: #endif
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