Annotation of parser3/src/main/pa_globals.C, revision 1.152.2.13
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:
1.152.2.13! paf 8: static const char* IDENT_GLOBALS_C="$Date: 2003/02/03 11:40:57 $";
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:
47: #define SWITCH_DATA_NAME "SWITCH-DATA"
48:
49: #define CACHE_DATA_NAME "CACHE-DATA"
50:
51: #define SQL_LIMIT_NAME "limit"
52: #define SQL_OFFSET_NAME "offset"
53: #define SQL_DEFAULT_NAME "default"
54: #define SQL_DISTINCT_NAME "distinct"
55:
56: #define HASH_DEFAULT_ELEMENT_NAME "_default"
57:
1.152.2.3 paf 58:
59: StringPtr match_var_name(new String(MATCH_VAR_NAME));
60:
61: StringPtr exception_var_name(new String(EXCEPTION_VAR_NAME));
62: StringPtr exception_type_part_name(new String(EXCEPTION_TYPE_PART_NAME));
63: StringPtr exception_source_part_name(new String(EXCEPTION_SOURCE_PART_NAME));
64: StringPtr exception_comment_part_name(new String(EXCEPTION_COMMENT_PART_NAME));
65: StringPtr exception_handled_part_name(new String(EXCEPTION_HANDLED_PART_NAME));
66:
1.152.2.1 paf 67:
68: //^switch ^case
1.152.2.3 paf 69: StringPtr switch_data_name(new String(SWITCH_DATA_NAME));
1.152.2.1 paf 70:
71: //^cache
1.152.2.3 paf 72: StringPtr cache_data_name(new String(CACHE_DATA_NAME));
1.152.2.1 paf 73:
74: // sql
1.152.2.3 paf 75: StringPtr sql_limit_name(new String(SQL_LIMIT_NAME));
76: StringPtr sql_offset_name(new String(SQL_OFFSET_NAME));
77: StringPtr sql_default_name(new String(SQL_DEFAULT_NAME));
78: StringPtr sql_distinct_name(new String(SQL_DISTINCT_NAME));
1.152.2.1 paf 79:
80: // hash
1.152.2.3 paf 81: StringPtr hash_default_element_name(new String(HASH_DEFAULT_ELEMENT_NAME));
1.8 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
1.152.2.10 paf 134: xmlParserGenericErrorFunc(void *ctx, const char* msg, ...) {
1.101 paf 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:
1.152.2.10 paf 174: const char* xmlGenericErrors() {
1.101 paf 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:
1.152.2.10 paf 183: const char* result=p->message;
1.101 paf 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
1.152.2.10 paf 201: xmlFileMatchLocalhost(const char* filename) {
1.110 paf 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 *
1.152.2.10 paf 220: xmlFileOpenLocalhost (const char* filename) {
1.110 paf 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:
1.150 paf 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: pa_xmlFileRead (void * context, char * buffer, int len) {
249: return(fread(&buffer[0], 1, len, (FILE *) context));
250: }
251:
252: /**
253: * xmlFileClose:
254: * @context: the I/O context
255: *
256: * Close an I/O channel
257: */
258: static int
259: pa_xmlFileClose (void * context) {
260: return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
261: }
262:
1.99 paf 263: #endif
264:
1.83 parser 265: void pa_globals_destroy(void *) {
266: try {
1.96 paf 267: #ifdef XML
268: GdomeException exc;
269: gdome_di_unref (domimpl, &exc);
270: #endif
1.83 parser 271: } catch(const Exception& e) {
272: SAPI::die("pa_globals_destroy failed: %s", e.comment());
273: }
274: }
275:
276:
1.152.2.1 paf 277: /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
278: void pa_globals_init() {
1.32 paf 279:
1.5 paf 280: // hex value
281: setup_hex_value();
1.74 parser 282:
1.76 parser 283: #ifdef XML
1.96 paf 284: // initializing xml libs
285:
286: /* First I get a DOMImplementation reference */
287: domimpl = gdome_di_mkref ();
288: /*
289: * Register the EXSLT extensions and the test module
290: */
291: exsltRegisterAll();
292: xsltRegisterTestModule();
293: xmlDefaultSAXHandlerInit();
294: /*
295: * disable CDATA from being built in the document tree
296: */
1.101 paf 297: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
1.99 paf 298:
299: /*
300: * Initialization function for the XML parser.
301: * This is not reentrant. Call once before processing in case of
302: * use in multithreaded programs.
303: */
304: xmlInitParser();
1.107 paf 305:
306: // 1. this is needed for proper parsing of stylesheets
307: // there were a situation where honest entity ruined innocent xpath compilation
308: // doc says "you sould turn it on on stylesheet load" without deepening into details
309: // 2. when dom tree with entites goes under transform text nodes
310: // got [erroreosly] cut on first entity occurance
1.109 paf 311: // --
1.107 paf 312: // that is why this is:
313: xmlSubstituteEntitiesDefault(1);
1.100 paf 314:
315: // Bit in the loadsubset context field to tell to do ID/REFs lookups
316: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
317: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
318: // with the ones defaulted from the DTDs
1.138 paf 319: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
320:
321: // validate each document after load/create (?)
322: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 323:
1.104 paf 324: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 325: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 326:
1.101 paf 327: memset(xml_generic_error_infos, 0, sizeof(xml_generic_error_infos));
328: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 329: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 330: // FILE *f=fopen("y:\\xslt.log", "wt");
331: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 332:
333: // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
334: xmlRegisterInputCallbacks(
335: xmlFileMatchLocalhost, xmlFileOpenLocalhost,
1.150 paf 336: pa_xmlFileRead, pa_xmlFileClose);
1.96 paf 337:
338: // XSLT stylesheet manager
1.90 paf 339: cache_managers->put(*NEW String(pool, "stylesheet"),
340: stylesheet_manager=NEW Stylesheet_manager(pool));
1.76 parser 341: #endif
1.1 paf 342: }
1.76 parser 343:
344: #if defined(XML) && defined(_MSC_VER)
1.132 paf 345: # define GNOME_LIBS "/parser3project/win32xml/win32/gnome"
1.131 paf 346: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 347: # ifdef _DEBUG
1.131 paf 348: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
349: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
350: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
351: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
1.76 parser 352: # else
1.131 paf 353: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
354: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
355: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
356: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
1.85 paf 357: # endif
358: #endif
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