Annotation of parser3/src/classes/xdoc.C, revision 1.104
1.1 parser 1: /** @file
1.2 parser 2: Parser: @b xdoc parser class.
1.1 parser 3:
1.84 paf 4: Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
1.85 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.96 paf 6: */
1.1 parser 7:
1.80 paf 8: #include "classes.h"
1.1 parser 9: #ifdef XML
1.96 paf 10:
1.104 ! paf 11: static const char* IDENT_XDOC_C="$Date: 2002/09/20 13:09:49 $";
1.1 parser 12:
1.82 paf 13: #include "pa_stylesheet_connection.h"
14: #include "pa_request.h"
15: #include "pa_vxdoc.h"
16: #include "pa_charset.h"
17: #include "pa_vfile.h"
18: #include "xnode.h"
19:
1.69 paf 20: #include "gdome.h"
21: #include "libxml/tree.h"
22: extern "C" {
23: #include "gdomecore/gdome-xml-node.h"
24: #include "gdomecore/gdome-xml-document.h"
25: };
26: #include "libxslt/xsltInternals.h"
27: #include "libxslt/transform.h"
28: #include "libxslt/xsltutils.h"
1.90 paf 29: #include "libxslt/variables.h"
1.59 paf 30:
1.1 parser 31: // defines
32:
33: #define XDOC_CLASS_NAME "xdoc"
34:
35: #define XDOC_OUTPUT_METHOD_OPTION_NAME "method"
36: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml"
37: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html"
38: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text"
39:
40: // class
41:
42: class MXdoc : public MXnode {
43: public: // VStateless_class
1.54 paf 44: Value *create_new_value(Pool& pool) { return new(pool) VXdoc(pool, 0); }
1.1 parser 45:
46: public:
47: MXdoc(Pool& pool);
48:
49: public: // Methoded
1.5 parser 50: void configure_admin(Request& r);
1.1 parser 51: };
52:
1.61 paf 53: // helper classes
54:
55: class xmlOutputBuffer_auto_ptr {
56: public:
1.67 paf 57: explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_APtr = 0)
58: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.61 paf 59: xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y)
60: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
61: xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y)
62: {if (this != &_Y)
63: {if (_Ptr != _Y.get())
64: {if (_Owns && _Ptr)
65: xmlOutputBufferClose(_Ptr);
66: _Owns = _Y._Owns; }
67: else if (_Y._Owns)
68: _Owns = true;
69: _Ptr = _Y.release(); }
70: return (*this); }
71: ~xmlOutputBuffer_auto_ptr()
72: {if (_Owns && _Ptr)
73: xmlOutputBufferClose(_Ptr); }
74: xmlOutputBuffer& operator*() const
75: {return (*get()); }
76: xmlOutputBuffer *operator->() const
77: {return (get()); }
78: xmlOutputBuffer *get() const
79: {return (_Ptr); }
80: xmlOutputBuffer *release() const
81: {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false;
82: return (_Ptr); }
83: private:
84: bool _Owns;
85: xmlOutputBuffer *_Ptr;
86: };
87:
1.65 paf 88: class xsltTransformContext_auto_ptr {
89: public:
1.67 paf 90: explicit xsltTransformContext_auto_ptr(xsltTransformContext *_APtr = 0)
91: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 92: xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y)
93: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
94: xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y)
95: {if (this != &_Y)
96: {if (_Ptr != _Y.get())
97: {if (_Owns && _Ptr)
98: xsltFreeTransformContext(_Ptr);
99: _Owns = _Y._Owns; }
100: else if (_Y._Owns)
101: _Owns = true;
102: _Ptr = _Y.release(); }
103: return (*this); }
104: ~xsltTransformContext_auto_ptr()
105: {if (_Owns && _Ptr)
106: xsltFreeTransformContext(_Ptr); }
107: xsltTransformContext& operator*() const
108: {return (*get()); }
109: xsltTransformContext *operator->() const
110: {return (get()); }
111: xsltTransformContext *get() const
112: {return (_Ptr); }
113: xsltTransformContext *release() const
114: {((xsltTransformContext_auto_ptr *)this)->_Owns = false;
115: return (_Ptr); }
116: private:
117: bool _Owns;
118: xsltTransformContext *_Ptr;
119: };
1.61 paf 120:
1.65 paf 121: class xsltStylesheet_auto_ptr {
122: public:
1.67 paf 123: explicit xsltStylesheet_auto_ptr(xsltStylesheet *_APtr = 0)
124: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 125: xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y)
126: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
127: xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y)
128: {if (this != &_Y)
129: {if (_Ptr != _Y.get())
130: {if (_Owns && _Ptr)
131: xsltFreeStylesheet(_Ptr);
132: _Owns = _Y._Owns; }
133: else if (_Y._Owns)
134: _Owns = true;
135: _Ptr = _Y.release(); }
136: return (*this); }
137: ~xsltStylesheet_auto_ptr()
138: {if (_Owns && _Ptr)
139: xsltFreeStylesheet(_Ptr); }
140: xsltStylesheet& operator*() const
141: {return (*get()); }
142: xsltStylesheet *operator->() const
143: {return (get()); }
144: xsltStylesheet *get() const
145: {return (_Ptr); }
146: xsltStylesheet *release() const
147: {((xsltStylesheet_auto_ptr *)this)->_Owns = false;
148: return (_Ptr); }
149: private:
150: bool _Owns;
151: xsltStylesheet *_Ptr;
152: };
1.61 paf 153:
1.1 parser 154: // methods
155:
1.54 paf 156: static void writeNode(Request& r, const String& method_name, GdomeNode *node,
157: GdomeException exc) {
158: if(!node || exc)
1.87 paf 159: throw Exception(
1.54 paf 160: &method_name,
161: exc);
162:
163: Pool& pool=r.pool();
164:
165: // write out result
166: VXnode& result=*new(pool) VXnode(pool, node);
167: r.write_no_lang(result);
168: }
169:
1.16 parser 170: // Element createElement(in DOMString tagName) raises(DOMException);
171: static void _createElement(Request& r, const String& method_name, MethodParams *params) {
172: Pool& pool=r.pool();
1.101 paf 173: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 174:
1.39 paf 175: const String& tagName=params->as_string(0, "tagName must be string");
1.16 parser 176:
1.54 paf 177: GdomeException exc;
178: GdomeNode *node=
179: (GdomeNode *)gdome_doc_createElement(vdoc.get_document(&method_name),
1.57 paf 180: pool.transcode(tagName).get(),
1.54 paf 181: &exc);
182: writeNode(r, method_name, node, exc);
1.16 parser 183: }
184:
185: // DocumentFragment createDocumentFragment()
1.26 parser 186: static void _createDocumentFragment(Request& r, const String& method_name, MethodParams *) {
1.16 parser 187: Pool& pool=r.pool();
1.101 paf 188: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 189:
1.54 paf 190: GdomeException exc;
191: GdomeNode *node=
192: (GdomeNode *)gdome_doc_createDocumentFragment(
193: vdoc.get_document(&method_name),
194: &exc);
195: writeNode(r, method_name, node, exc);
1.16 parser 196: }
197:
198: // Text createTextNode(in DOMString data);
199: static void _createTextNode(Request& r, const String& method_name, MethodParams *params) {
200: Pool& pool=r.pool();
1.101 paf 201: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 202:
1.40 paf 203: const String& data=params->as_string(0, "data must be string");
1.16 parser 204:
1.54 paf 205: GdomeException exc;
206: GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode(
207: vdoc.get_document(&method_name),
1.57 paf 208: pool.transcode(data).get(),
1.54 paf 209: &exc);
210: writeNode(r, method_name, node, exc);
1.16 parser 211: }
212:
213: // Comment createComment(in DOMString data)
214: static void _createComment(Request& r, const String& method_name, MethodParams *params) {
215: Pool& pool=r.pool();
1.101 paf 216: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 217:
1.26 parser 218: const String& data=params->as_string(0, "data must be string");
1.16 parser 219:
1.54 paf 220: GdomeException exc;
221: GdomeNode *node=(GdomeNode *)gdome_doc_createComment(
222: vdoc.get_document(&method_name),
1.57 paf 223: pool.transcode(data).get(),
1.54 paf 224: &exc);
225: writeNode(r, method_name, node, exc);
1.16 parser 226: }
227:
228: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
229: static void _createCDATASection(Request& r, const String& method_name, MethodParams *params) {
230: Pool& pool=r.pool();
1.101 paf 231: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 232:
1.26 parser 233: const String& data=params->as_string(0, "data must be string");
1.16 parser 234:
1.54 paf 235: GdomeException exc;
236: GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection(
237: vdoc.get_document(&method_name),
1.57 paf 238: pool.transcode(data).get(),
1.54 paf 239: &exc);
240: writeNode(r, method_name, node, exc);
1.16 parser 241: }
242:
243: // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException);
244: static void _createProcessingInstruction(Request& r, const String& method_name, MethodParams *params) {
245: Pool& pool=r.pool();
1.101 paf 246: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 247:
1.26 parser 248: const String& target=params->as_string(0, "data must be string");
249: const String& data=params->as_string(1, "data must be string");
1.16 parser 250:
1.54 paf 251: GdomeException exc;
252: GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction(
253: vdoc.get_document(&method_name),
1.57 paf 254: pool.transcode(target).get(),
255: pool.transcode(data).get(),
1.54 paf 256: &exc);
257: writeNode(r, method_name, node, exc);
1.16 parser 258: }
259:
260: // Attr createAttribute(in DOMString name) raises(DOMException);
261: static void _createAttribute(Request& r, const String& method_name, MethodParams *params) {
262: Pool& pool=r.pool();
1.101 paf 263: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 264:
1.26 parser 265: const String& name=params->as_string(0, "name must be string");
1.16 parser 266:
1.54 paf 267: GdomeException exc;
268: GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute(
269: vdoc.get_document(&method_name),
1.57 paf 270: pool.transcode(name).get(),
1.54 paf 271: &exc);
272: writeNode(r, method_name, node, exc);
1.16 parser 273: }
274: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
275: static void _createEntityReference(Request& r, const String& method_name, MethodParams *params) {
276: Pool& pool=r.pool();
1.101 paf 277: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 278:
1.26 parser 279: const String& name=params->as_string(0, "name must be string");
1.16 parser 280:
1.54 paf 281: GdomeException exc;
282: GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference(
283: vdoc.get_document(&method_name),
1.57 paf 284: pool.transcode(name).get(),
1.54 paf 285: &exc);
286: writeNode(r, method_name, node, exc);
1.16 parser 287: }
288:
1.99 paf 289: // NodeList getElementsByTagName(in DOMString name);
290: static void _getElementsByTagName(Request& r, const String& method_name, MethodParams *params) {
291: Pool& pool=r.pool();
1.101 paf 292: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.99 paf 293:
294: const String& name=params->as_string(0, "name must be string");
295:
296: VHash& result=*new(pool) VHash(pool);
297: GdomeException exc;
298: if(GdomeNodeList *nodes=
299: gdome_doc_getElementsByTagName(
300: vdoc.get_document(&method_name),
301: pool.transcode(name).get(),
302: &exc)) {
303: gulong length=gdome_nl_length(nodes, &exc);
304: for(gulong i=0; i<length; i++) {
305: String& skey=*new(pool) String(pool);
306: {
307: char *buf=(char *)pool.malloc(MAX_NUMBER);
308: snprintf(buf, MAX_NUMBER, "%d", i);
309: skey << buf;
310: }
311:
312: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
313: }
314: } else if(exc)
315: throw Exception(
316: &method_name,
317: exc);
318:
319: // write out result
320: r.write_no_lang(result);
321: }
322:
323: static void _getElementsByTagNameNS(Request& r, const String& method_name, MethodParams *params) {
324: Pool& pool=r.pool();
1.101 paf 325: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.99 paf 326:
327: // namespaceURI;localName
328: const String& namespaceURI=params->as_string(0, "namespaceURI must be string");
329: const String& localName=params->as_string(1, "localName must be string");
330:
331: GdomeException exc;
332: VHash& result=*new(pool) VHash(pool);
333: if(GdomeNodeList *nodes=
334: gdome_doc_getElementsByTagNameNS(
335: vdoc.get_document(&method_name),
336: pool.transcode(namespaceURI).get(),
337: pool.transcode(localName).get(),
338: &exc)) {
339: gulong length=gdome_nl_length(nodes, &exc);
340: for(gulong i=0; i<length; i++) {
341: String& skey=*new(pool) String(pool);
342: {
343: char *buf=(char *)pool.malloc(MAX_NUMBER);
344: snprintf(buf, MAX_NUMBER, "%d", i);
345: skey << buf;
346: }
347:
348: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
349: }
350: }
351:
352: // write out result
353: r.write_no_lang(result);
354: }
355:
1.54 paf 356: static void _getElementById(Request& r, const String& method_name, MethodParams *params) {
357: Pool& pool=r.pool();
1.101 paf 358: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 359:
1.54 paf 360: // elementId
361: const String& elementId=params->as_string(0, "elementID must be string");
1.1 parser 362:
1.54 paf 363: GdomeException exc;
364: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
365: vdoc.get_document(&method_name),
1.57 paf 366: pool.transcode(elementId).get(),
1.54 paf 367: &exc)) {
368: // write out result
369: VXnode& result=*new(pool) VXnode(pool, node);
370: r.write_no_lang(result);
1.66 paf 371: } else if(exc || xmlHaveGenericErrors())
1.87 paf 372: throw Exception(
1.54 paf 373: &method_name,
374: exc);
375: }
1.79 paf 376:
377: static void _importNode(Request& r, const String& method_name, MethodParams *params) {
378: Pool& pool=r.pool();
1.101 paf 379: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.79 paf 380:
381: GdomeNode *importedNode=
1.88 paf 382: as_node(method_name, params, 0, "importedNode must be node");
1.79 paf 383: bool deep=
384: params->as_bool(1, "deep must be bool", r);
385:
386: GdomeException exc;
387: GdomeNode *outputNode=gdome_doc_importNode(vdoc.get_document(&method_name),
388: importedNode,
389: deep, &exc);
390: if(exc)
1.87 paf 391: throw Exception(
1.79 paf 392: &method_name,
393: exc);
394:
395: // write out result
396: r.write_no_lang(*new(pool) VXnode(pool, outputNode));
397: }
1.54 paf 398: /*
399: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
400: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
401: */
1.1 parser 402:
1.54 paf 403: static void _create(Request& r, const String& method_name, MethodParams *params) {
404: Pool& pool=r.pool();
1.101 paf 405: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.1 parser 406:
1.95 paf 407: Value& param=params->get(params->size()-1);
1.83 paf 408: GdomeDocument *document;
1.95 paf 409: if(param.get_junction()) { // {<?xml?>...}
1.83 paf 410: Temp_lang temp_lang(r, String::UL_XML);
1.91 paf 411: const String& xml=r.process_to_string(param);
1.83 paf 412:
413: const char *cstr=xml.cstr(String::UL_UNSPECIFIED);
414: document=(GdomeDocument *)
415: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
416: cstr, strlen(cstr)
417: ));
418: if(!document || xmlHaveGenericErrors()) {
419: GdomeException exc=0;
1.87 paf 420: throw Exception(
1.83 paf 421: &method_name,
422: exc);
423: }
424: } else { // [name]
425: const String& qualifiedName=param.as_string();
1.1 parser 426:
1.83 paf 427: GdomeException exc;
428: /*
429: GdomeDocumentType *documentType=gdome_di_createDocumentType (
430: docimpl,
431: pool.transcode(qualifiedName),
432: 0/*publicId* /,
433: 0/*systemId* /,
434: &exc);
435: if(!documentType || exc || xmlHaveGenericErrors())
1.87 paf 436: throw Exception(
1.83 paf 437: &method_name,
438: exc);
439: */
440: document=gdome_di_createDocument (domimpl,
441: 0/*namespaceURI*/,
442: pool.transcode(qualifiedName).get(),
443: 0/*doctype*/,
444: &exc);
445: if(!document || exc || xmlHaveGenericErrors())
1.87 paf 446: throw Exception(
1.83 paf 447: &method_name,
448: exc);
1.103 paf 449:
450: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
451: const char *source_charset_name=pool.get_source_charset().name().cstr();
452: doc->encoding=pool.get_source_charset().transcode_buf2xchar(source_charset_name, strlen(source_charset_name));
1.9 parser 453:
1.83 paf 454: /// +xalan createXMLDecl ?
1.73 paf 455: }
1.95 paf 456:
457: // URI
458: const char *URI_cstr;
459: if(params->size()>1) { // absolute(param)
460: const String& URI=params->as_string(0, "URI must be string");
461: URI_cstr=r.absolute(URI).cstr();
462: } else // default = disk path to requested document
463: URI_cstr=r.info.path_translated;
464: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
465: if(URI_cstr)
466: doc->URL=pool.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
467:
1.54 paf 468: // replace any previous parsed source
469: vdoc.set_document(document);
1.9 parser 470: }
471:
1.54 paf 472: static void _load(Request& r, const String& method_name, MethodParams *params) {
473: Pool& pool=r.pool();
1.101 paf 474: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.9 parser 475:
1.54 paf 476: // filespec
477: const String& file_name=params->as_string(0, "uri must be string");
478: const String& uri=r.absolute(file_name);
479:
1.73 paf 480: GdomeDocument *document=(GdomeDocument *)
481: gdome_xml_n_mkref((xmlNode *)xmlParseFile(uri.cstr()));
482: if(!document || xmlHaveGenericErrors()) {
483: GdomeException exc=0;
1.87 paf 484: throw Exception(
1.69 paf 485: &uri,
1.54 paf 486: exc);
1.73 paf 487: }
1.9 parser 488:
1.54 paf 489: // replace any previous parsed source
490: vdoc.set_document(document);
1.9 parser 491: }
492:
1.46 paf 493: static void param_option_over_output_option(Pool& pool,
494: Hash *param_options, const char *option_name,
1.61 paf 495: const String *& output_option) {
496: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
497: option_name))))
498: output_option=&value->as_string();
1.46 paf 499: }
500: static void param_option_over_output_option(Pool& pool,
501: Hash *param_options, const char *option_name,
502: bool& output_option) {
503: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
504: String(pool, option_name)))) {
505: const String& s=value->as_string();
506: if(s=="yes")
507: output_option=true;
508: else if(s=="no")
509: output_option=false;
510: else
1.87 paf 511: throw Exception("parser.runtime",
1.46 paf 512: &s,
513: "%s must be either 'yes' or 'no'", option_name);
514: }
515: }
516:
1.100 paf 517: /// @test valid_options check
1.61 paf 518: static void prepare_output_options(
519: Pool& pool, const String& method_name, MethodParams *params, int index,
520: VXdoc::Output_options& oo) {
1.46 paf 521: /*
522: <xsl:output
523: !method = "xml" | "html" | "text" | qname-but-not-ncname
524: !version = nmtoken
525: !encoding = string
526: !omit-xml-declaration = "yes" | "no"
527: !standalone = "yes" | "no"
528: !doctype-public = string
529: !doctype-system = string
530: cdata-section-elements = qnames
531: !indent = "yes" | "no"
532: !media-type = string />
1.61 paf 533: */
1.1 parser 534:
1.46 paf 535: // configuring with options from parameter...
1.1 parser 536: if(params->size()>index) {
1.20 parser 537: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 538: if(voptions.is_defined()) {
1.34 parser 539: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 540: // $.method[xml|html|text]
541: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
542: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 543: oo.method=&vmethod->as_string();
1.1 parser 544:
1.46 paf 545: // $.version[1.0]
546: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 547: // $.encoding[windows-1251|...]
1.46 paf 548: param_option_over_output_option(pool, options, "encoding", oo.encoding);
549: // $.omit-xml-declaration[yes|no]
1.61 paf 550: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 551: // $.standalone[yes|no]
552: param_option_over_output_option(pool, options, "standalone", oo.standalone);
553: // $.doctype-public[?]
554: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
555: // $.doctype-system[?]
556: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
557: // $.indent[yes|no]
1.61 paf 558: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 559: // $.media-type[text/{html|xml|plain}]
560: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 561: }
1.1 parser 562: }
563: }
564:
1.46 paf 565: // default encoding from pool
1.61 paf 566: if(!oo.encoding)
567: oo.encoding=&pool.get_source_charset().name();
1.46 paf 568: // default method=xml
569: if(!oo.method)
1.61 paf 570: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
571: // default mediaType = depending on method
572: if(!oo.mediaType) {
573: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
574: oo.mediaType=new(pool) String(pool, "text/xml");
575: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
576: oo.mediaType=new(pool) String(pool, "text/html");
577: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
578: oo.mediaType=new(pool) String(pool, "text/plain");
579: }
580: }
1.46 paf 581:
1.63 paf 582: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
583: const String& method_name, MethodParams *params, int index,
584: VXdoc::Output_options& oo,
585: const String *file_spec,
586: char **parser_buf, size_t *parser_size) {
587: prepare_output_options(pool, method_name, params, index,
1.61 paf 588: oo);
589:
1.63 paf 590: const char *encoding_cstr=oo.encoding->cstr();
591: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
592: if(!encoder)
1.87 paf 593: throw Exception("parser.runtime",
1.63 paf 594: &method_name,
595: "encoding '%s' not supported", encoding_cstr);
1.61 paf 596: // UTF-8 encoder contains empty input/output converters,
597: // which is wrong for xmlOutputBufferCreateIO
598: // while zero encoder goes perfectly
599: if(encoder && strcmp(encoder->name, "UTF-8")==0)
600: encoder=0;
601:
1.62 paf 602: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 603:
1.65 paf 604: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
605: if(!stylesheet.get())
1.87 paf 606: throw Exception(0,
1.61 paf 607: &method_name,
608: "xsltNewStylesheet failed");
609:
1.62 paf 610: #define OOS2STYLE(name) \
1.61 paf 611: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 612: #define OOE2STYLE(name) \
613: stylesheet->name=oo.name
1.61 paf 614:
1.62 paf 615: OOS2STYLE(method);
616: OOS2STYLE(encoding);
617: OOS2STYLE(mediaType);
618: OOS2STYLE(doctypeSystem);
619: OOS2STYLE(doctypePublic);
620: OOE2STYLE(indent);
621: OOS2STYLE(version);
622: OOE2STYLE(standalone);
623: OOE2STYLE(omitXmlDeclaration);
1.61 paf 624:
1.76 paf 625: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.81 paf 626: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 627: GdomeException exc=0;
1.87 paf 628: throw Exception(
1.75 paf 629: &method_name,
630: exc);
631: }
1.61 paf 632:
1.54 paf 633: // write out result
1.63 paf 634: char *gnome_buf; size_t gnome_size;
635: if(outputBuffer->conv) {
636: gnome_size=outputBuffer->conv->use;
1.62 paf 637: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 638: } else {
639: gnome_size=outputBuffer->buffer->use;
1.62 paf 640: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 641: }
642: if(file_spec)
1.77 paf 643: file_write(
1.63 paf 644: *file_spec,
645: gnome_buf, gnome_size,
646: true/*as_text*/);
1.74 paf 647: else if(*parser_size=gnome_size) {
1.63 paf 648: *parser_buf=(char *)pool.malloc(gnome_size);
649: memcpy(*parser_buf, gnome_buf, gnome_size);
1.74 paf 650: } else
651: *parser_buf=0;
1.1 parser 652: }
653:
654: static void _file(Request& r, const String& method_name, MethodParams *params) {
655: Pool& pool=r.pool();
1.101 paf 656: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.63 paf 657: VXdoc::Output_options oo(vdoc.output_options);
658: char *buf; size_t buf_size;
659: xdoc2buf(pool, vdoc, method_name, params, 0,
660: oo,
1.64 paf 661: 0/*not to file, to memory*/,
1.63 paf 662: &buf, &buf_size);
663: // write out result
664: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 665:
1.58 paf 666: // write out result
667: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 668: Value *vcontent_type;
1.58 paf 669: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 670: vhcontent_type->hash(&method_name).put(
671: *value_name,
672: new(pool) VString(*oo.mediaType));
673: vhcontent_type->hash(&method_name).put(
674: *new(pool) String(pool, "charset"),
675: new(pool) VString(*oo.encoding));
1.58 paf 676: vcontent_type=vhcontent_type;
677:
1.102 paf 678: vfile.set(false/*tainted*/, buf?buf:""/*to distinguish from stat-ed file*/, buf_size,
679: 0/*file_name*/, vcontent_type);
1.58 paf 680: r.write_no_lang(vfile);
1.63 paf 681: }
682:
683: static void _save(Request& r, const String& method_name, MethodParams *params) {
684: Pool& pool=r.pool();
1.101 paf 685: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.63 paf 686:
687: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
688:
689: VXdoc::Output_options oo(vdoc.output_options);
690: xdoc2buf(pool, vdoc, method_name, params, 1,
691: oo,
692: &file_spec,
693: 0, 0);
694: }
695:
696: static void _string(Request& r, const String& method_name, MethodParams *params) {
697: Pool& pool=r.pool();
1.101 paf 698: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.63 paf 699: VXdoc::Output_options oo(vdoc.output_options);
700: char *buf; size_t buf_size;
701: xdoc2buf(pool, vdoc, method_name, params, 0,
702: oo,
1.64 paf 703: 0/*not to file, to memory*/,
1.63 paf 704: &buf, &buf_size);
705: // write out result
706: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 707: }
1.58 paf 708:
1.1 parser 709: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
710: void *info) {
1.59 paf 711: Value *meaning=static_cast<Value *>(ameaning);
712: Pool& pool=meaning->pool();
1.89 paf 713: const char ** & current_transform_param=*(const char ***)info;
714: *current_transform_param++=pool.transcode(aattribute)->str;
715: *current_transform_param++=pool.transcode(meaning->as_string())->str;
1.1 parser 716: }
1.93 paf 717: static VXdoc& _transform(Pool& pool, const String *doc_source, const String *stylesheet_source,
718: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char **transform_params) {
719: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(doc_source));
1.65 paf 720: xsltTransformContext_auto_ptr transformContext(
721: xsltNewTransformContext(stylesheet, document));
1.90 paf 722: // make params literal
723: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
724: transformContext->globalVars = xmlHashCreate(20);
725: xsltQuoteUserParams(transformContext.get(), transform_params);
726: // do transform
1.59 paf 727: xmlDoc *transformed=xsltApplyStylesheetUser(
728: stylesheet,
729: document,
1.90 paf 730: 0/*already quoted-inserted transform_params*/,
1.59 paf 731: 0/*const char *output*/,
732: 0/*FILE *profile*/,
1.65 paf 733: transformContext.get());
1.66 paf 734: if(!transformed || xmlHaveGenericErrors()) {
735: GdomeException exc=0;
1.87 paf 736: throw Exception(
1.93 paf 737: stylesheet_source,
1.66 paf 738: exc);
739: }
1.42 paf 740:
1.61 paf 741: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
742: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 743: // constructing result
744: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
745: if(!gdomeDocument)
1.87 paf 746: throw Exception(0,
1.93 paf 747: doc_source,
1.59 paf 748: "gdome_xml_doc_mkref failed");
749: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 750: /* grabbing options
751:
752: <xsl:output
753: !method = "xml" | "html" | "text"
754: X| qname-but-not-ncname
755: !version = nmtoken
756: !encoding = string
757: !omit-xml-declaration = "yes" | "no"
758: !standalone = "yes" | "no"
759: !doctype-public = string
760: !doctype-system = string
761: Xcdata-section-elements = qnames
762: !indent = "yes" | "no"
763: !media-type = string />
1.59 paf 764: */
765: memset(&result.output_options, 0, sizeof(result.output_options));
766: VXdoc::Output_options& oo=result.output_options;
767:
1.104 ! paf 768: oo.method=stylesheet->method?&pool.transcode(stylesheet->method, stylesheet_source):0;
! 769: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding, stylesheet_source):0;
! 770: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType, stylesheet_source):0;
! 771: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem, stylesheet_source):0;
! 772: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic, stylesheet_source):0;
1.59 paf 773: oo.indent=stylesheet->indent!=0;
1.104 ! paf 774: oo.version=stylesheet->version?&pool.transcode(stylesheet->version, stylesheet_source):0;
1.59 paf 775: oo.standalone=stylesheet->standalone!=0;
776: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
777:
1.93 paf 778: // return
779: return result;
780: }
781: static void _transform(Request& r, const String& method_name, MethodParams *params) {
782: Pool& pool=r.pool();
1.101 paf 783: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.93 paf 784:
785: // params
786: const char **transform_params=0;
787: if(params->size()>1) {
788: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
789: if(vparams.is_defined())
790: if(Hash *params=vparams.get_hash(&method_name)) {
791: const char **current_transform_param=transform_params=
792: (const char **)pool.malloc(sizeof(const char *)*(params->size()*2+1));
793: params->for_each(add_xslt_param, ¤t_transform_param);
794: transform_params[params->size()*2]=0;
795: } else
796: throw Exception("parser.runtime",
797: &method_name,
798: "transform parameters parameter must be hash");
799: }
800:
801: VXdoc *result;
802: Value& vmaybe_xdoc=params->get(0);
1.98 paf 803: if(Value *vxdoc=vmaybe_xdoc.as(VXDOC_TYPE, false)) { // stylesheet (xdoc)
1.93 paf 804: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
1.98 paf 805: static_cast<VXdoc *>(vxdoc)->get_document(&method_name));
1.93 paf 806: // compile xdoc stylesheet
1.94 paf 807: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
808: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
809: // we don't need that
810: stylesheet_ptr->doc=0;
1.93 paf 811: if(xmlHaveGenericErrors()) {
812: GdomeException exc=0;
813: throw Exception(&method_name, exc);
814: }
815: if(!stylesheet_ptr.get())
816: throw Exception("xml",
817: &method_name,
818: "stylesheet failed to compile");
819:
820: // transform!
821: result=&_transform(pool, &method_name, &method_name,
822: vdoc, stylesheet_ptr.get(),
823: transform_params);
824: } else { // stylesheet (file name)
825: // extablish stylesheet connection
826: const String& stylesheet_filespec=
827: r.absolute(params->as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
828: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
829:
830: // load and compile file to stylesheet [or get cached if any]
831: // transform!
832: result=&_transform(pool, &method_name, &stylesheet_filespec,
833: vdoc, connection->stylesheet(false/*nocache*/),
834: transform_params);
835: }
836:
1.59 paf 837: // write out result
1.93 paf 838: r.write_no_lang(*result);
1.1 parser 839: }
840:
1.16 parser 841: // constructor
1.2 parser 842:
1.92 paf 843: /// @test how to create empty type html?
844: MXdoc::MXdoc(Pool& apool) : MXnode(apool, XDOC_CLASS_NAME, Xnode_class) {
1.16 parser 845: /// DOM1
1.2 parser 846:
1.16 parser 847: // Element createElement(in DOMString tagName) raises(DOMException);
848: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
849: // DocumentFragment createDocumentFragment();
850: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
851: // Text createTextNode(in DOMString data);
852: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
853: // Comment createComment(in DOMString data);
854: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
855: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
856: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
857: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
858: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
859: // Attr createAttribute(in DOMString name) raises(DOMException);
860: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
861: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
862: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.99 paf 863: // NodeList getElementsByTagName(in DOMString name);
864: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
1.2 parser 865:
1.79 paf 866: /// DOM2
1.2 parser 867:
1.16 parser 868: // ^xdoc.getElementById[elementId]
869: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 870:
871: // Node (in Node importedNode, in boolean deep) raises(DOMException)
872: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.99 paf 873:
874: // NodeList getElementsByTagNameNS(in DOMString namespaceURI, in DOMString localName);
875: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.1 parser 876:
1.16 parser 877: /// parser
878:
1.54 paf 879: // ^xdoc::create{qualifiedName}
1.95 paf 880: // ^xdoc::create[<some>xml</some>]
881: // ^xdoc::create[URI][<some>xml</some>]
882: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 883: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
884: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 885:
886: // ^xdoc::load[some.xml]
887: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
888:
1.2 parser 889: // ^xdoc.save[some.xml]
890: // ^xdoc.save[some.xml;options hash]
1.1 parser 891: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
892:
1.2 parser 893: // ^xdoc.string[] <doc/>
894: // ^xdoc.string[options hash] <doc/>
1.1 parser 895: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
896:
1.2 parser 897: // ^xdoc.file[] file with "<doc/>"
898: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 899: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 900:
1.98 paf 901: // ^xdoc.transform[stylesheet file_name/xdoc]
902: // ^xdoc.transform[stylesheet file_name/xdoc;params hash]
1.59 paf 903: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 904:
1.1 parser 905: }
1.5 parser 906:
907: void MXdoc::configure_admin(Request& r) {
908: }
909:
1.1 parser 910: // global variable
911:
912: Methoded *Xdoc_class;
913:
914: // creator
915:
916: #endif
917:
918: Methoded *MXdoc_create(Pool& pool) {
919: return
920: #ifdef XML
1.33 parser 921: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 922: #else
923: 0
924: #endif
925: ;
926: }
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