Annotation of parser3/src/main/pa_globals.C, revision 1.152.2.19
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:
1.152.2.19! paf 8: static const char* IDENT_GLOBALS_C="$Date: 2003/03/06 16:15:25 $";
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:
1.5 paf 25: short hex_value[0x100];
1.111 paf 26:
27: #ifdef XML
28: GdomeDOMImplementation *domimpl;
29: #endif
1.5 paf 30:
31: static void setup_hex_value() {
1.68 parser 32: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 33: hex_value['0'] = 0;
34: hex_value['1'] = 1;
35: hex_value['2'] = 2;
36: hex_value['3'] = 3;
37: hex_value['4'] = 4;
38: hex_value['5'] = 5;
39: hex_value['6'] = 6;
40: hex_value['7'] = 7;
41: hex_value['8'] = 8;
42: hex_value['9'] = 9;
43: hex_value['A'] = 10;
44: hex_value['B'] = 11;
45: hex_value['C'] = 12;
46: hex_value['D'] = 13;
47: hex_value['E'] = 14;
48: hex_value['F'] = 15;
49: hex_value['a'] = 10;
50: hex_value['b'] = 11;
51: hex_value['c'] = 12;
52: hex_value['d'] = 13;
53: hex_value['e'] = 14;
54: hex_value['f'] = 15;
55: }
1.1 paf 56:
1.99 paf 57: #ifdef XML
1.101 paf 58:
59: const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
60:
1.152.2.17 paf 61: class XML_Generic_error_info {
62: public:
1.101 paf 63: pa_thread_t thread_id;
1.152.2.17 paf 64: char buf[MAX_STRING];
65: size_t used;
66: public:
67: XML_Generic_error_info() {
68: reset();
69: }
70: void reset() {
71: thread_id=0;
72: buf[used=0]=0;
73: }
74: CharPtr get_and_reset() {
75: CharPtr result(new char[used+1]);
76: memcpy(result.get(), buf, used+1);
77: reset();
78: return result;
79: }
1.101 paf 80: } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS];
81:
82: XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) {
83: for(int i=0; i<MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS; i++) {
84: XML_Generic_error_info *p=xml_generic_error_infos+i;
85: if(p->thread_id==thread_id)
86: return p;
87: }
88: return 0;
89: }
90:
1.99 paf 91: static void
1.152.2.10 paf 92: xmlParserGenericErrorFunc(void *ctx, const char* msg, ...) {
1.101 paf 93: pa_thread_t thread_id=pa_get_thread_id();
94:
95: // infinitely looking for free slot to fill it
96: while(true) {
97: SYNCHRONIZED; // find+fill blocked
98:
99: // first try to get existing for this thread_id
100: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
101: if(!p) { // occupy empty one
102: p=xml_generic_error_info(0);
103: if(!p) // wait for empty for it to appear
104: continue;
105: }
106:
1.102 paf 107: p->thread_id=thread_id;
1.101 paf 108:
109: va_list args;
110: va_start(args, msg);
1.152.2.19! paf 111: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
1.101 paf 112: va_end(args);
113:
114: break;
115: }
116: }
117:
1.102 paf 118: bool xmlHaveGenericErrors() {
119: pa_thread_t thread_id=pa_get_thread_id();
120:
121: SYNCHRONIZED; // find blocked
122:
123: return xml_generic_error_info(thread_id)!=0;
124: }
125:
1.152.2.17 paf 126: CharPtr xmlGenericErrors() {
1.101 paf 127: pa_thread_t thread_id=pa_get_thread_id();
128:
129: SYNCHRONIZED; // find+free blocked
130:
131: XML_Generic_error_info *p=xml_generic_error_info(thread_id);
132: if(!p) // no errors for our thread_id registered
1.152.2.17 paf 133: return CharPtr(0);
1.101 paf 134:
1.152.2.17 paf 135: return p->get_and_reset();
1.99 paf 136: }
1.110 paf 137:
138: /**
139: * xmlFileMatchWithLocalhostEqDocumentRoot:
140: * filename: the URI for matching
141: *
142: * check if the URI matches an HTTP one
143: *
144: * Returns 1 if matches, 0 otherwise
145: */
146: static int
1.152.2.10 paf 147: xmlFileMatchLocalhost(const char* filename) {
1.110 paf 148: if (!strncmp(filename, "http://localhost", 16))
149: return(1);
150: return(0);
151: }
152:
153:
154: /**
155: * xmlFileOpenHttpLocalhost :
156: * filename: the URI for matching
157: *
158: * http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
159: *
160: * input from FILE *, supports compressed input
161: * if filename is " " then the standard input is used
162: *
163: * Returns an I/O context or NULL in case of error
164: */
165: static void *
1.152.2.10 paf 166: xmlFileOpenLocalhost (const char* filename) {
1.110 paf 167: FILE *fd;
168: const char* documentRoot;
169: char path[1000];
170:
171: path[0]=0;
172: strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
173: strcat(path, &filename[16]);
174:
175: #ifdef WIN32
176: fd = fopen(path, "rb");
177: #else
178: fd = fopen(path, "r");
179: #endif /* WIN32 */
180: return((void *) fd);
181: }
182:
1.150 paf 183: /**
184: * xmlFileRead:
185: * @context: the I/O context
186: * @buffer: where to drop data
187: * @len: number of bytes to write
188: *
189: * Read @len bytes to @buffer from the I/O channel.
190: *
191: * Returns the number of bytes written
192: */
193: static int
194: pa_xmlFileRead (void * context, char * buffer, int len) {
195: return(fread(&buffer[0], 1, len, (FILE *) context));
196: }
197:
198: /**
199: * xmlFileClose:
200: * @context: the I/O context
201: *
202: * Close an I/O channel
203: */
204: static int
205: pa_xmlFileClose (void * context) {
206: return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
207: }
208:
1.99 paf 209: #endif
210:
1.83 parser 211: void pa_globals_destroy(void *) {
212: try {
1.96 paf 213: #ifdef XML
214: GdomeException exc;
215: gdome_di_unref (domimpl, &exc);
216: #endif
1.83 parser 217: } catch(const Exception& e) {
1.152.2.16 paf 218: SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 219: }
220: }
221:
222:
1.152.2.1 paf 223: /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
224: void pa_globals_init() {
1.32 paf 225:
1.5 paf 226: // hex value
227: setup_hex_value();
1.74 parser 228:
1.76 parser 229: #ifdef XML
1.96 paf 230: // initializing xml libs
231:
232: /* First I get a DOMImplementation reference */
233: domimpl = gdome_di_mkref ();
234: /*
235: * Register the EXSLT extensions and the test module
236: */
237: exsltRegisterAll();
238: xsltRegisterTestModule();
239: xmlDefaultSAXHandlerInit();
240: /*
241: * disable CDATA from being built in the document tree
242: */
1.101 paf 243: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
1.99 paf 244:
245: /*
246: * Initialization function for the XML parser.
247: * This is not reentrant. Call once before processing in case of
248: * use in multithreaded programs.
249: */
250: xmlInitParser();
1.107 paf 251:
252: // 1. this is needed for proper parsing of stylesheets
253: // there were a situation where honest entity ruined innocent xpath compilation
254: // doc says "you sould turn it on on stylesheet load" without deepening into details
255: // 2. when dom tree with entites goes under transform text nodes
256: // got [erroreosly] cut on first entity occurance
1.109 paf 257: // --
1.107 paf 258: // that is why this is:
259: xmlSubstituteEntitiesDefault(1);
1.100 paf 260:
261: // Bit in the loadsubset context field to tell to do ID/REFs lookups
262: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
263: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
264: // with the ones defaulted from the DTDs
1.138 paf 265: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
266:
267: // validate each document after load/create (?)
268: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 269:
1.104 paf 270: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 271: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 272:
1.101 paf 273: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 274: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 275: // FILE *f=fopen("y:\\xslt.log", "wt");
276: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 277:
278: // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
279: xmlRegisterInputCallbacks(
280: xmlFileMatchLocalhost, xmlFileOpenLocalhost,
1.150 paf 281: pa_xmlFileRead, pa_xmlFileClose);
1.76 parser 282: #endif
1.1 paf 283: }
1.76 parser 284:
285: #if defined(XML) && defined(_MSC_VER)
1.132 paf 286: # define GNOME_LIBS "/parser3project/win32xml/win32/gnome"
1.131 paf 287: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 288: # ifdef _DEBUG
1.131 paf 289: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
290: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
291: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
292: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
1.76 parser 293: # else
1.131 paf 294: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
295: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
296: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
297: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
1.85 paf 298: # endif
299: #endif
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