Annotation of parser3/src/classes/xdoc.C, revision 1.100
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:
1.100 ! paf 11: static const char* IDENT_XDOC_C="$Date: 2002/08/19 09:48:39 $";
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();
173: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
188: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
201: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
216: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
231: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
246: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
263: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
277: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
292: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
325: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
358: VXdoc& vdoc=*static_cast<VXdoc *>(r.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();
379: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
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();
405: VXdoc& vdoc=*static_cast<VXdoc *>(r.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);
1.9 parser 449:
1.83 paf 450: /// +xalan createXMLDecl ?
1.73 paf 451: }
1.95 paf 452:
453: // URI
454: const char *URI_cstr;
455: if(params->size()>1) { // absolute(param)
456: const String& URI=params->as_string(0, "URI must be string");
457: URI_cstr=r.absolute(URI).cstr();
458: } else // default = disk path to requested document
459: URI_cstr=r.info.path_translated;
460: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
461: if(URI_cstr)
462: doc->URL=pool.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
463:
1.54 paf 464: // replace any previous parsed source
465: vdoc.set_document(document);
1.9 parser 466: }
467:
1.54 paf 468: static void _load(Request& r, const String& method_name, MethodParams *params) {
469: Pool& pool=r.pool();
470: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 471:
1.54 paf 472: // filespec
473: const String& file_name=params->as_string(0, "uri must be string");
474: const String& uri=r.absolute(file_name);
475:
1.73 paf 476: GdomeDocument *document=(GdomeDocument *)
477: gdome_xml_n_mkref((xmlNode *)xmlParseFile(uri.cstr()));
478: if(!document || xmlHaveGenericErrors()) {
479: GdomeException exc=0;
1.87 paf 480: throw Exception(
1.69 paf 481: &uri,
1.54 paf 482: exc);
1.73 paf 483: }
1.9 parser 484:
1.54 paf 485: // replace any previous parsed source
486: vdoc.set_document(document);
1.9 parser 487: }
488:
1.46 paf 489: static void param_option_over_output_option(Pool& pool,
490: Hash *param_options, const char *option_name,
1.61 paf 491: const String *& output_option) {
492: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
493: option_name))))
494: output_option=&value->as_string();
1.46 paf 495: }
496: static void param_option_over_output_option(Pool& pool,
497: Hash *param_options, const char *option_name,
498: bool& output_option) {
499: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
500: String(pool, option_name)))) {
501: const String& s=value->as_string();
502: if(s=="yes")
503: output_option=true;
504: else if(s=="no")
505: output_option=false;
506: else
1.87 paf 507: throw Exception("parser.runtime",
1.46 paf 508: &s,
509: "%s must be either 'yes' or 'no'", option_name);
510: }
511: }
512:
1.100 ! paf 513: /// @test valid_options check
1.61 paf 514: static void prepare_output_options(
515: Pool& pool, const String& method_name, MethodParams *params, int index,
516: VXdoc::Output_options& oo) {
1.46 paf 517: /*
518: <xsl:output
519: !method = "xml" | "html" | "text" | qname-but-not-ncname
520: !version = nmtoken
521: !encoding = string
522: !omit-xml-declaration = "yes" | "no"
523: !standalone = "yes" | "no"
524: !doctype-public = string
525: !doctype-system = string
526: cdata-section-elements = qnames
527: !indent = "yes" | "no"
528: !media-type = string />
1.61 paf 529: */
1.1 parser 530:
1.46 paf 531: // configuring with options from parameter...
1.1 parser 532: if(params->size()>index) {
1.20 parser 533: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 534: if(voptions.is_defined()) {
1.34 parser 535: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 536: // $.method[xml|html|text]
537: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
538: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 539: oo.method=&vmethod->as_string();
1.1 parser 540:
1.46 paf 541: // $.version[1.0]
542: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 543: // $.encoding[windows-1251|...]
1.46 paf 544: param_option_over_output_option(pool, options, "encoding", oo.encoding);
545: // $.omit-xml-declaration[yes|no]
1.61 paf 546: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 547: // $.standalone[yes|no]
548: param_option_over_output_option(pool, options, "standalone", oo.standalone);
549: // $.doctype-public[?]
550: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
551: // $.doctype-system[?]
552: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
553: // $.indent[yes|no]
1.61 paf 554: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 555: // $.media-type[text/{html|xml|plain}]
556: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 557: }
1.1 parser 558: }
559: }
560:
1.46 paf 561: // default encoding from pool
1.61 paf 562: if(!oo.encoding)
563: oo.encoding=&pool.get_source_charset().name();
1.46 paf 564: // default method=xml
565: if(!oo.method)
1.61 paf 566: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
567: // default mediaType = depending on method
568: if(!oo.mediaType) {
569: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
570: oo.mediaType=new(pool) String(pool, "text/xml");
571: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
572: oo.mediaType=new(pool) String(pool, "text/html");
573: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
574: oo.mediaType=new(pool) String(pool, "text/plain");
575: }
576: }
1.46 paf 577:
1.63 paf 578: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
579: const String& method_name, MethodParams *params, int index,
580: VXdoc::Output_options& oo,
581: const String *file_spec,
582: char **parser_buf, size_t *parser_size) {
583: prepare_output_options(pool, method_name, params, index,
1.61 paf 584: oo);
585:
1.63 paf 586: const char *encoding_cstr=oo.encoding->cstr();
587: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
588: if(!encoder)
1.87 paf 589: throw Exception("parser.runtime",
1.63 paf 590: &method_name,
591: "encoding '%s' not supported", encoding_cstr);
1.61 paf 592: // UTF-8 encoder contains empty input/output converters,
593: // which is wrong for xmlOutputBufferCreateIO
594: // while zero encoder goes perfectly
595: if(encoder && strcmp(encoder->name, "UTF-8")==0)
596: encoder=0;
597:
1.62 paf 598: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 599:
1.65 paf 600: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
601: if(!stylesheet.get())
1.87 paf 602: throw Exception(0,
1.61 paf 603: &method_name,
604: "xsltNewStylesheet failed");
605:
1.62 paf 606: #define OOS2STYLE(name) \
1.61 paf 607: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 608: #define OOE2STYLE(name) \
609: stylesheet->name=oo.name
1.61 paf 610:
1.62 paf 611: OOS2STYLE(method);
612: OOS2STYLE(encoding);
613: OOS2STYLE(mediaType);
614: OOS2STYLE(doctypeSystem);
615: OOS2STYLE(doctypePublic);
616: OOE2STYLE(indent);
617: OOS2STYLE(version);
618: OOE2STYLE(standalone);
619: OOE2STYLE(omitXmlDeclaration);
1.61 paf 620:
1.76 paf 621: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.81 paf 622: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 623: GdomeException exc=0;
1.87 paf 624: throw Exception(
1.75 paf 625: &method_name,
626: exc);
627: }
1.61 paf 628:
1.54 paf 629: // write out result
1.63 paf 630: char *gnome_buf; size_t gnome_size;
631: if(outputBuffer->conv) {
632: gnome_size=outputBuffer->conv->use;
1.62 paf 633: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 634: } else {
635: gnome_size=outputBuffer->buffer->use;
1.62 paf 636: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 637: }
638: if(file_spec)
1.77 paf 639: file_write(
1.63 paf 640: *file_spec,
641: gnome_buf, gnome_size,
642: true/*as_text*/);
1.74 paf 643: else if(*parser_size=gnome_size) {
1.63 paf 644: *parser_buf=(char *)pool.malloc(gnome_size);
645: memcpy(*parser_buf, gnome_buf, gnome_size);
1.74 paf 646: } else
647: *parser_buf=0;
1.1 parser 648: }
649:
650: static void _file(Request& r, const String& method_name, MethodParams *params) {
651: Pool& pool=r.pool();
1.46 paf 652: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.63 paf 653: VXdoc::Output_options oo(vdoc.output_options);
654: char *buf; size_t buf_size;
655: xdoc2buf(pool, vdoc, method_name, params, 0,
656: oo,
1.64 paf 657: 0/*not to file, to memory*/,
1.63 paf 658: &buf, &buf_size);
659: // write out result
660: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 661:
1.58 paf 662: // write out result
663: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 664: Value *vcontent_type;
1.58 paf 665: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 666: vhcontent_type->hash(&method_name).put(
667: *value_name,
668: new(pool) VString(*oo.mediaType));
669: vhcontent_type->hash(&method_name).put(
670: *new(pool) String(pool, "charset"),
671: new(pool) VString(*oo.encoding));
1.58 paf 672: vcontent_type=vhcontent_type;
673:
674: vfile.set(false/*tainted*/, buf, buf_size, 0/*file_name*/, vcontent_type);
675: r.write_no_lang(vfile);
1.63 paf 676: }
677:
678: static void _save(Request& r, const String& method_name, MethodParams *params) {
679: Pool& pool=r.pool();
680: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
681:
682: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
683:
684: VXdoc::Output_options oo(vdoc.output_options);
685: xdoc2buf(pool, vdoc, method_name, params, 1,
686: oo,
687: &file_spec,
688: 0, 0);
689: }
690:
691: static void _string(Request& r, const String& method_name, MethodParams *params) {
692: Pool& pool=r.pool();
693: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
694: VXdoc::Output_options oo(vdoc.output_options);
695: char *buf; size_t buf_size;
696: xdoc2buf(pool, vdoc, method_name, params, 0,
697: oo,
1.64 paf 698: 0/*not to file, to memory*/,
1.63 paf 699: &buf, &buf_size);
700: // write out result
701: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 702: }
1.58 paf 703:
1.1 parser 704: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
705: void *info) {
1.59 paf 706: Value *meaning=static_cast<Value *>(ameaning);
707: Pool& pool=meaning->pool();
1.89 paf 708: const char ** & current_transform_param=*(const char ***)info;
709: *current_transform_param++=pool.transcode(aattribute)->str;
710: *current_transform_param++=pool.transcode(meaning->as_string())->str;
1.1 parser 711: }
1.93 paf 712: static VXdoc& _transform(Pool& pool, const String *doc_source, const String *stylesheet_source,
713: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char **transform_params) {
714: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(doc_source));
1.65 paf 715: xsltTransformContext_auto_ptr transformContext(
716: xsltNewTransformContext(stylesheet, document));
1.90 paf 717: // make params literal
718: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
719: transformContext->globalVars = xmlHashCreate(20);
720: xsltQuoteUserParams(transformContext.get(), transform_params);
721: // do transform
1.59 paf 722: xmlDoc *transformed=xsltApplyStylesheetUser(
723: stylesheet,
724: document,
1.90 paf 725: 0/*already quoted-inserted transform_params*/,
1.59 paf 726: 0/*const char *output*/,
727: 0/*FILE *profile*/,
1.65 paf 728: transformContext.get());
1.66 paf 729: if(!transformed || xmlHaveGenericErrors()) {
730: GdomeException exc=0;
1.87 paf 731: throw Exception(
1.93 paf 732: stylesheet_source,
1.66 paf 733: exc);
734: }
1.42 paf 735:
1.61 paf 736: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
737: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 738: // constructing result
739: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
740: if(!gdomeDocument)
1.87 paf 741: throw Exception(0,
1.93 paf 742: doc_source,
1.59 paf 743: "gdome_xml_doc_mkref failed");
744: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 745: /* grabbing options
746:
747: <xsl:output
748: !method = "xml" | "html" | "text"
749: X| qname-but-not-ncname
750: !version = nmtoken
751: !encoding = string
752: !omit-xml-declaration = "yes" | "no"
753: !standalone = "yes" | "no"
754: !doctype-public = string
755: !doctype-system = string
756: Xcdata-section-elements = qnames
757: !indent = "yes" | "no"
758: !media-type = string />
1.59 paf 759: */
760: memset(&result.output_options, 0, sizeof(result.output_options));
761: VXdoc::Output_options& oo=result.output_options;
762:
1.60 paf 763: oo.method=stylesheet->method?&pool.transcode(stylesheet->method):0;
764: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding):0;
765: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType):0;
766: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem):0;
767: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic):0;
1.59 paf 768: oo.indent=stylesheet->indent!=0;
1.60 paf 769: oo.version=stylesheet->version?&pool.transcode(stylesheet->version):0;
1.59 paf 770: oo.standalone=stylesheet->standalone!=0;
771: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
772:
1.93 paf 773: // return
774: return result;
775: }
776: static void _transform(Request& r, const String& method_name, MethodParams *params) {
777: Pool& pool=r.pool();
778: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
779:
780: // params
781: const char **transform_params=0;
782: if(params->size()>1) {
783: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
784: if(vparams.is_defined())
785: if(Hash *params=vparams.get_hash(&method_name)) {
786: const char **current_transform_param=transform_params=
787: (const char **)pool.malloc(sizeof(const char *)*(params->size()*2+1));
788: params->for_each(add_xslt_param, ¤t_transform_param);
789: transform_params[params->size()*2]=0;
790: } else
791: throw Exception("parser.runtime",
792: &method_name,
793: "transform parameters parameter must be hash");
794: }
795:
796: VXdoc *result;
797: Value& vmaybe_xdoc=params->get(0);
1.98 paf 798: if(Value *vxdoc=vmaybe_xdoc.as(VXDOC_TYPE, false)) { // stylesheet (xdoc)
1.93 paf 799: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
1.98 paf 800: static_cast<VXdoc *>(vxdoc)->get_document(&method_name));
1.93 paf 801: // compile xdoc stylesheet
1.94 paf 802: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
803: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
804: // we don't need that
805: stylesheet_ptr->doc=0;
1.93 paf 806: if(xmlHaveGenericErrors()) {
807: GdomeException exc=0;
808: throw Exception(&method_name, exc);
809: }
810: if(!stylesheet_ptr.get())
811: throw Exception("xml",
812: &method_name,
813: "stylesheet failed to compile");
814:
815: // transform!
816: result=&_transform(pool, &method_name, &method_name,
817: vdoc, stylesheet_ptr.get(),
818: transform_params);
819: } else { // stylesheet (file name)
820: // extablish stylesheet connection
821: const String& stylesheet_filespec=
822: r.absolute(params->as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
823: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
824:
825: // load and compile file to stylesheet [or get cached if any]
826: // transform!
827: result=&_transform(pool, &method_name, &stylesheet_filespec,
828: vdoc, connection->stylesheet(false/*nocache*/),
829: transform_params);
830: }
831:
1.59 paf 832: // write out result
1.93 paf 833: r.write_no_lang(*result);
1.1 parser 834: }
835:
1.16 parser 836: // constructor
1.2 parser 837:
1.92 paf 838: /// @test how to create empty type html?
839: MXdoc::MXdoc(Pool& apool) : MXnode(apool, XDOC_CLASS_NAME, Xnode_class) {
1.16 parser 840: /// DOM1
1.2 parser 841:
1.16 parser 842: // Element createElement(in DOMString tagName) raises(DOMException);
843: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
844: // DocumentFragment createDocumentFragment();
845: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
846: // Text createTextNode(in DOMString data);
847: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
848: // Comment createComment(in DOMString data);
849: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
850: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
851: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
852: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
853: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
854: // Attr createAttribute(in DOMString name) raises(DOMException);
855: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
856: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
857: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.99 paf 858: // NodeList getElementsByTagName(in DOMString name);
859: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
1.2 parser 860:
1.79 paf 861: /// DOM2
1.2 parser 862:
1.16 parser 863: // ^xdoc.getElementById[elementId]
864: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 865:
866: // Node (in Node importedNode, in boolean deep) raises(DOMException)
867: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.99 paf 868:
869: // NodeList getElementsByTagNameNS(in DOMString namespaceURI, in DOMString localName);
870: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.1 parser 871:
1.16 parser 872: /// parser
873:
1.54 paf 874: // ^xdoc::create{qualifiedName}
1.95 paf 875: // ^xdoc::create[<some>xml</some>]
876: // ^xdoc::create[URI][<some>xml</some>]
877: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 878: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
879: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 880:
881: // ^xdoc::load[some.xml]
882: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
883:
1.2 parser 884: // ^xdoc.save[some.xml]
885: // ^xdoc.save[some.xml;options hash]
1.1 parser 886: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
887:
1.2 parser 888: // ^xdoc.string[] <doc/>
889: // ^xdoc.string[options hash] <doc/>
1.1 parser 890: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
891:
1.2 parser 892: // ^xdoc.file[] file with "<doc/>"
893: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 894: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 895:
1.98 paf 896: // ^xdoc.transform[stylesheet file_name/xdoc]
897: // ^xdoc.transform[stylesheet file_name/xdoc;params hash]
1.59 paf 898: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 899:
1.1 parser 900: }
1.5 parser 901:
902: void MXdoc::configure_admin(Request& r) {
903: }
904:
1.1 parser 905: // global variable
906:
907: Methoded *Xdoc_class;
908:
909: // creator
910:
911: #endif
912:
913: Methoded *MXdoc_create(Pool& pool) {
914: return
915: #ifdef XML
1.33 parser 916: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 917: #else
918: 0
919: #endif
920: ;
921: }
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