Annotation of parser3/src/classes/xdoc.C, revision 1.99
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:
1.99 ! paf 11: static const char* IDENT_XDOC_C="$Date: 2002/08/15 09:07:49 $";
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();
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:
1.61 paf 513: static void prepare_output_options(
514: Pool& pool, const String& method_name, MethodParams *params, int index,
515: VXdoc::Output_options& oo) {
1.46 paf 516: /*
517: <xsl:output
518: !method = "xml" | "html" | "text" | qname-but-not-ncname
519: !version = nmtoken
520: !encoding = string
521: !omit-xml-declaration = "yes" | "no"
522: !standalone = "yes" | "no"
523: !doctype-public = string
524: !doctype-system = string
525: cdata-section-elements = qnames
526: !indent = "yes" | "no"
527: !media-type = string />
1.61 paf 528: */
1.1 parser 529:
1.46 paf 530: // configuring with options from parameter...
1.1 parser 531: if(params->size()>index) {
1.20 parser 532: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 533: if(voptions.is_defined()) {
1.34 parser 534: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 535: // $.method[xml|html|text]
536: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
537: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 538: oo.method=&vmethod->as_string();
1.1 parser 539:
1.46 paf 540: // $.version[1.0]
541: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 542: // $.encoding[windows-1251|...]
1.46 paf 543: param_option_over_output_option(pool, options, "encoding", oo.encoding);
544: // $.omit-xml-declaration[yes|no]
1.61 paf 545: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 546: // $.standalone[yes|no]
547: param_option_over_output_option(pool, options, "standalone", oo.standalone);
548: // $.doctype-public[?]
549: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
550: // $.doctype-system[?]
551: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
552: // $.indent[yes|no]
1.61 paf 553: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 554: // $.media-type[text/{html|xml|plain}]
555: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 556: }
1.1 parser 557: }
558: }
559:
1.46 paf 560: // default encoding from pool
1.61 paf 561: if(!oo.encoding)
562: oo.encoding=&pool.get_source_charset().name();
1.46 paf 563: // default method=xml
564: if(!oo.method)
1.61 paf 565: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
566: // default mediaType = depending on method
567: if(!oo.mediaType) {
568: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
569: oo.mediaType=new(pool) String(pool, "text/xml");
570: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
571: oo.mediaType=new(pool) String(pool, "text/html");
572: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
573: oo.mediaType=new(pool) String(pool, "text/plain");
574: }
575: }
1.46 paf 576:
1.63 paf 577: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
578: const String& method_name, MethodParams *params, int index,
579: VXdoc::Output_options& oo,
580: const String *file_spec,
581: char **parser_buf, size_t *parser_size) {
582: prepare_output_options(pool, method_name, params, index,
1.61 paf 583: oo);
584:
1.63 paf 585: const char *encoding_cstr=oo.encoding->cstr();
586: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
587: if(!encoder)
1.87 paf 588: throw Exception("parser.runtime",
1.63 paf 589: &method_name,
590: "encoding '%s' not supported", encoding_cstr);
1.61 paf 591: // UTF-8 encoder contains empty input/output converters,
592: // which is wrong for xmlOutputBufferCreateIO
593: // while zero encoder goes perfectly
594: if(encoder && strcmp(encoder->name, "UTF-8")==0)
595: encoder=0;
596:
1.62 paf 597: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 598:
1.65 paf 599: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
600: if(!stylesheet.get())
1.87 paf 601: throw Exception(0,
1.61 paf 602: &method_name,
603: "xsltNewStylesheet failed");
604:
1.62 paf 605: #define OOS2STYLE(name) \
1.61 paf 606: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 607: #define OOE2STYLE(name) \
608: stylesheet->name=oo.name
1.61 paf 609:
1.62 paf 610: OOS2STYLE(method);
611: OOS2STYLE(encoding);
612: OOS2STYLE(mediaType);
613: OOS2STYLE(doctypeSystem);
614: OOS2STYLE(doctypePublic);
615: OOE2STYLE(indent);
616: OOS2STYLE(version);
617: OOE2STYLE(standalone);
618: OOE2STYLE(omitXmlDeclaration);
1.61 paf 619:
1.76 paf 620: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.81 paf 621: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 622: GdomeException exc=0;
1.87 paf 623: throw Exception(
1.75 paf 624: &method_name,
625: exc);
626: }
1.61 paf 627:
1.54 paf 628: // write out result
1.63 paf 629: char *gnome_buf; size_t gnome_size;
630: if(outputBuffer->conv) {
631: gnome_size=outputBuffer->conv->use;
1.62 paf 632: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 633: } else {
634: gnome_size=outputBuffer->buffer->use;
1.62 paf 635: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 636: }
637: if(file_spec)
1.77 paf 638: file_write(
1.63 paf 639: *file_spec,
640: gnome_buf, gnome_size,
641: true/*as_text*/);
1.74 paf 642: else if(*parser_size=gnome_size) {
1.63 paf 643: *parser_buf=(char *)pool.malloc(gnome_size);
644: memcpy(*parser_buf, gnome_buf, gnome_size);
1.74 paf 645: } else
646: *parser_buf=0;
1.1 parser 647: }
648:
649: static void _file(Request& r, const String& method_name, MethodParams *params) {
650: Pool& pool=r.pool();
1.46 paf 651: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.63 paf 652: VXdoc::Output_options oo(vdoc.output_options);
653: char *buf; size_t buf_size;
654: xdoc2buf(pool, vdoc, method_name, params, 0,
655: oo,
1.64 paf 656: 0/*not to file, to memory*/,
1.63 paf 657: &buf, &buf_size);
658: // write out result
659: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 660:
1.58 paf 661: // write out result
662: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 663: Value *vcontent_type;
1.58 paf 664: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 665: vhcontent_type->hash(&method_name).put(
666: *value_name,
667: new(pool) VString(*oo.mediaType));
668: vhcontent_type->hash(&method_name).put(
669: *new(pool) String(pool, "charset"),
670: new(pool) VString(*oo.encoding));
1.58 paf 671: vcontent_type=vhcontent_type;
672:
673: vfile.set(false/*tainted*/, buf, buf_size, 0/*file_name*/, vcontent_type);
674: r.write_no_lang(vfile);
1.63 paf 675: }
676:
677: static void _save(Request& r, const String& method_name, MethodParams *params) {
678: Pool& pool=r.pool();
679: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
680:
681: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
682:
683: VXdoc::Output_options oo(vdoc.output_options);
684: xdoc2buf(pool, vdoc, method_name, params, 1,
685: oo,
686: &file_spec,
687: 0, 0);
688: }
689:
690: static void _string(Request& r, const String& method_name, MethodParams *params) {
691: Pool& pool=r.pool();
692: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
693: VXdoc::Output_options oo(vdoc.output_options);
694: char *buf; size_t buf_size;
695: xdoc2buf(pool, vdoc, method_name, params, 0,
696: oo,
1.64 paf 697: 0/*not to file, to memory*/,
1.63 paf 698: &buf, &buf_size);
699: // write out result
700: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 701: }
1.58 paf 702:
1.1 parser 703: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
704: void *info) {
1.59 paf 705: Value *meaning=static_cast<Value *>(ameaning);
706: Pool& pool=meaning->pool();
1.89 paf 707: const char ** & current_transform_param=*(const char ***)info;
708: *current_transform_param++=pool.transcode(aattribute)->str;
709: *current_transform_param++=pool.transcode(meaning->as_string())->str;
1.1 parser 710: }
1.93 paf 711: static VXdoc& _transform(Pool& pool, const String *doc_source, const String *stylesheet_source,
712: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char **transform_params) {
713: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(doc_source));
1.65 paf 714: xsltTransformContext_auto_ptr transformContext(
715: xsltNewTransformContext(stylesheet, document));
1.90 paf 716: // make params literal
717: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
718: transformContext->globalVars = xmlHashCreate(20);
719: xsltQuoteUserParams(transformContext.get(), transform_params);
720: // do transform
1.59 paf 721: xmlDoc *transformed=xsltApplyStylesheetUser(
722: stylesheet,
723: document,
1.90 paf 724: 0/*already quoted-inserted transform_params*/,
1.59 paf 725: 0/*const char *output*/,
726: 0/*FILE *profile*/,
1.65 paf 727: transformContext.get());
1.66 paf 728: if(!transformed || xmlHaveGenericErrors()) {
729: GdomeException exc=0;
1.87 paf 730: throw Exception(
1.93 paf 731: stylesheet_source,
1.66 paf 732: exc);
733: }
1.42 paf 734:
1.61 paf 735: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
736: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 737: // constructing result
738: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
739: if(!gdomeDocument)
1.87 paf 740: throw Exception(0,
1.93 paf 741: doc_source,
1.59 paf 742: "gdome_xml_doc_mkref failed");
743: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 744: /* grabbing options
745:
746: <xsl:output
747: !method = "xml" | "html" | "text"
748: X| qname-but-not-ncname
749: !version = nmtoken
750: !encoding = string
751: !omit-xml-declaration = "yes" | "no"
752: !standalone = "yes" | "no"
753: !doctype-public = string
754: !doctype-system = string
755: Xcdata-section-elements = qnames
756: !indent = "yes" | "no"
757: !media-type = string />
1.59 paf 758: */
759: memset(&result.output_options, 0, sizeof(result.output_options));
760: VXdoc::Output_options& oo=result.output_options;
761:
1.60 paf 762: oo.method=stylesheet->method?&pool.transcode(stylesheet->method):0;
763: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding):0;
764: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType):0;
765: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem):0;
766: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic):0;
1.59 paf 767: oo.indent=stylesheet->indent!=0;
1.60 paf 768: oo.version=stylesheet->version?&pool.transcode(stylesheet->version):0;
1.59 paf 769: oo.standalone=stylesheet->standalone!=0;
770: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
771:
1.93 paf 772: // return
773: return result;
774: }
775: static void _transform(Request& r, const String& method_name, MethodParams *params) {
776: Pool& pool=r.pool();
777: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
778:
779: // params
780: const char **transform_params=0;
781: if(params->size()>1) {
782: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
783: if(vparams.is_defined())
784: if(Hash *params=vparams.get_hash(&method_name)) {
785: const char **current_transform_param=transform_params=
786: (const char **)pool.malloc(sizeof(const char *)*(params->size()*2+1));
787: params->for_each(add_xslt_param, ¤t_transform_param);
788: transform_params[params->size()*2]=0;
789: } else
790: throw Exception("parser.runtime",
791: &method_name,
792: "transform parameters parameter must be hash");
793: }
794:
795: VXdoc *result;
796: Value& vmaybe_xdoc=params->get(0);
1.98 paf 797: if(Value *vxdoc=vmaybe_xdoc.as(VXDOC_TYPE, false)) { // stylesheet (xdoc)
1.93 paf 798: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
1.98 paf 799: static_cast<VXdoc *>(vxdoc)->get_document(&method_name));
1.93 paf 800: // compile xdoc stylesheet
1.94 paf 801: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
802: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
803: // we don't need that
804: stylesheet_ptr->doc=0;
1.93 paf 805: if(xmlHaveGenericErrors()) {
806: GdomeException exc=0;
807: throw Exception(&method_name, exc);
808: }
809: if(!stylesheet_ptr.get())
810: throw Exception("xml",
811: &method_name,
812: "stylesheet failed to compile");
813:
814: // transform!
815: result=&_transform(pool, &method_name, &method_name,
816: vdoc, stylesheet_ptr.get(),
817: transform_params);
818: } else { // stylesheet (file name)
819: // extablish stylesheet connection
820: const String& stylesheet_filespec=
821: r.absolute(params->as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
822: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
823:
824: // load and compile file to stylesheet [or get cached if any]
825: // transform!
826: result=&_transform(pool, &method_name, &stylesheet_filespec,
827: vdoc, connection->stylesheet(false/*nocache*/),
828: transform_params);
829: }
830:
1.59 paf 831: // write out result
1.93 paf 832: r.write_no_lang(*result);
1.1 parser 833: }
834:
1.16 parser 835: // constructor
1.2 parser 836:
1.92 paf 837: /// @test how to create empty type html?
838: MXdoc::MXdoc(Pool& apool) : MXnode(apool, XDOC_CLASS_NAME, Xnode_class) {
1.16 parser 839: /// DOM1
1.2 parser 840:
1.16 parser 841: // Element createElement(in DOMString tagName) raises(DOMException);
842: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
843: // DocumentFragment createDocumentFragment();
844: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
845: // Text createTextNode(in DOMString data);
846: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
847: // Comment createComment(in DOMString data);
848: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
849: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
850: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
851: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
852: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
853: // Attr createAttribute(in DOMString name) raises(DOMException);
854: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
855: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
856: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.99 ! paf 857: // NodeList getElementsByTagName(in DOMString name);
! 858: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
1.2 parser 859:
1.79 paf 860: /// DOM2
1.2 parser 861:
1.16 parser 862: // ^xdoc.getElementById[elementId]
863: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 864:
865: // Node (in Node importedNode, in boolean deep) raises(DOMException)
866: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.99 ! paf 867:
! 868: // NodeList getElementsByTagNameNS(in DOMString namespaceURI, in DOMString localName);
! 869: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.1 parser 870:
1.16 parser 871: /// parser
872:
1.54 paf 873: // ^xdoc::create{qualifiedName}
1.95 paf 874: // ^xdoc::create[<some>xml</some>]
875: // ^xdoc::create[URI][<some>xml</some>]
876: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 877: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
878: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 879:
880: // ^xdoc::load[some.xml]
881: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
882:
1.2 parser 883: // ^xdoc.save[some.xml]
884: // ^xdoc.save[some.xml;options hash]
1.1 parser 885: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
886:
1.2 parser 887: // ^xdoc.string[] <doc/>
888: // ^xdoc.string[options hash] <doc/>
1.1 parser 889: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
890:
1.2 parser 891: // ^xdoc.file[] file with "<doc/>"
892: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 893: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 894:
1.98 paf 895: // ^xdoc.transform[stylesheet file_name/xdoc]
896: // ^xdoc.transform[stylesheet file_name/xdoc;params hash]
1.59 paf 897: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 898:
1.1 parser 899: }
1.5 parser 900:
901: void MXdoc::configure_admin(Request& r) {
902: }
903:
1.1 parser 904: // global variable
905:
906: Methoded *Xdoc_class;
907:
908: // creator
909:
910: #endif
911:
912: Methoded *MXdoc_create(Pool& pool) {
913: return
914: #ifdef XML
1.33 parser 915: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 916: #else
917: 0
918: #endif
919: ;
920: }
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