Annotation of parser3/src/classes/xdoc.C, revision 1.114
1.1 parser 1: /** @file
1.2 parser 2: Parser: @b xdoc parser class.
1.1 parser 3:
1.111 paf 4: Copyright (c) 2001-2003 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:
1.111 paf 8: #include "pa_config_includes.h"
9:
1.1 parser 10: #ifdef XML
1.96 paf 11:
1.114 ! paf 12: static const char* IDENT_XDOC_C="$Date: 2003/09/24 14:32:05 $";
1.82 paf 13:
1.69 paf 14: #include "gdome.h"
15: #include "libxml/tree.h"
16: #include "libxslt/xsltInternals.h"
17: #include "libxslt/transform.h"
18: #include "libxslt/xsltutils.h"
1.90 paf 19: #include "libxslt/variables.h"
1.59 paf 20:
1.111 paf 21:
22: #include "pa_vmethod_frame.h"
23:
24: #include "pa_stylesheet_manager.h"
25: #include "pa_request.h"
26: #include "pa_vxdoc.h"
27: #include "pa_charset.h"
28: #include "pa_vfile.h"
29: #include "xnode.h"
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:
1.111 paf 42: class MXdoc: public MXnode {
1.1 parser 43: public: // VStateless_class
1.111 paf 44: Value* create_new_value() { return new VXdoc(0, 0); }
1.1 parser 45:
46: public:
1.111 paf 47: MXdoc();
1.1 parser 48:
49: public: // Methoded
1.5 parser 50: void configure_admin(Request& r);
1.1 parser 51: };
52:
1.111 paf 53: // global variable
54:
55: DECLARE_CLASS_VAR(xdoc, new MXdoc, 0);
56:
1.61 paf 57: // helper classes
58:
59: class xmlOutputBuffer_auto_ptr {
60: public:
1.67 paf 61: explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_APtr = 0)
62: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.61 paf 63: xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y)
64: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
65: xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y)
66: {if (this != &_Y)
67: {if (_Ptr != _Y.get())
68: {if (_Owns && _Ptr)
69: xmlOutputBufferClose(_Ptr);
70: _Owns = _Y._Owns; }
71: else if (_Y._Owns)
72: _Owns = true;
73: _Ptr = _Y.release(); }
74: return (*this); }
75: ~xmlOutputBuffer_auto_ptr()
76: {if (_Owns && _Ptr)
77: xmlOutputBufferClose(_Ptr); }
78: xmlOutputBuffer& operator*() const
79: {return (*get()); }
80: xmlOutputBuffer *operator->() const
81: {return (get()); }
82: xmlOutputBuffer *get() const
83: {return (_Ptr); }
84: xmlOutputBuffer *release() const
85: {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false;
86: return (_Ptr); }
87: private:
88: bool _Owns;
89: xmlOutputBuffer *_Ptr;
90: };
91:
1.65 paf 92: class xsltTransformContext_auto_ptr {
93: public:
1.67 paf 94: explicit xsltTransformContext_auto_ptr(xsltTransformContext *_APtr = 0)
95: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 96: xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y)
97: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
98: xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y)
99: {if (this != &_Y)
100: {if (_Ptr != _Y.get())
101: {if (_Owns && _Ptr)
102: xsltFreeTransformContext(_Ptr);
103: _Owns = _Y._Owns; }
104: else if (_Y._Owns)
105: _Owns = true;
106: _Ptr = _Y.release(); }
107: return (*this); }
108: ~xsltTransformContext_auto_ptr()
109: {if (_Owns && _Ptr)
110: xsltFreeTransformContext(_Ptr); }
111: xsltTransformContext& operator*() const
112: {return (*get()); }
113: xsltTransformContext *operator->() const
114: {return (get()); }
115: xsltTransformContext *get() const
116: {return (_Ptr); }
117: xsltTransformContext *release() const
118: {((xsltTransformContext_auto_ptr *)this)->_Owns = false;
119: return (_Ptr); }
120: private:
121: bool _Owns;
122: xsltTransformContext *_Ptr;
123: };
1.61 paf 124:
1.65 paf 125: class xsltStylesheet_auto_ptr {
126: public:
1.67 paf 127: explicit xsltStylesheet_auto_ptr(xsltStylesheet *_APtr = 0)
128: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 129: xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y)
130: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
131: xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y)
132: {if (this != &_Y)
133: {if (_Ptr != _Y.get())
134: {if (_Owns && _Ptr)
135: xsltFreeStylesheet(_Ptr);
136: _Owns = _Y._Owns; }
137: else if (_Y._Owns)
138: _Owns = true;
139: _Ptr = _Y.release(); }
140: return (*this); }
141: ~xsltStylesheet_auto_ptr()
142: {if (_Owns && _Ptr)
143: xsltFreeStylesheet(_Ptr); }
144: xsltStylesheet& operator*() const
145: {return (*get()); }
146: xsltStylesheet *operator->() const
147: {return (get()); }
148: xsltStylesheet *get() const
149: {return (_Ptr); }
150: xsltStylesheet *release() const
151: {((xsltStylesheet_auto_ptr *)this)->_Owns = false;
152: return (_Ptr); }
153: private:
154: bool _Owns;
155: xsltStylesheet *_Ptr;
156: };
1.61 paf 157:
1.1 parser 158: // methods
159:
1.111 paf 160: static void writeNode(Request& r, GdomeNode *node,
1.54 paf 161: GdomeException exc) {
162: if(!node || exc)
1.111 paf 163: throw Exception(0, exc);
1.54 paf 164:
165: // write out result
1.111 paf 166: r.write_no_lang(*new VXnode(&r.charsets, node));
1.54 paf 167: }
168:
1.16 parser 169: // Element createElement(in DOMString tagName) raises(DOMException);
1.111 paf 170: static void _createElement(Request& r, MethodParams& params) {
171: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 172:
1.111 paf 173: const String& tagName=params.as_string(0, "tagName must be string");
1.16 parser 174:
1.54 paf 175: GdomeException exc;
176: GdomeNode *node=
1.111 paf 177: (GdomeNode *)gdome_doc_createElement(vdoc.get_document(),
178: r.transcode(tagName).use(),
1.54 paf 179: &exc);
1.111 paf 180: writeNode(r, node, exc);
1.16 parser 181: }
182:
1.113 paf 183: // Element createElementNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 184: static void _createElementNS(Request& r, MethodParams& params) {
185: VXdoc& vdoc=GET_SELF(r, VXdoc);
186:
187: // namespaceURI;localName
188: const String& namespaceURI=params.as_string(0, "namespaceURI must be string");
1.113 paf 189: const String& qualifiedName=params.as_string(1, "qualifiedName must be string");
1.112 paf 190:
191: GdomeException exc;
192: GdomeNode *node=
193: (GdomeNode *)gdome_doc_createElementNS(vdoc.get_document(),
194: r.transcode(namespaceURI).use(),
1.113 paf 195: r.transcode(qualifiedName).use(),
1.112 paf 196: &exc);
197: writeNode(r, node, exc);
198: }
199:
1.16 parser 200: // DocumentFragment createDocumentFragment()
1.111 paf 201: static void _createDocumentFragment(Request& r, MethodParams&) {
202: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 203:
1.54 paf 204: GdomeException exc;
205: GdomeNode *node=
206: (GdomeNode *)gdome_doc_createDocumentFragment(
1.111 paf 207: vdoc.get_document(),
1.54 paf 208: &exc);
1.111 paf 209: writeNode(r, node, exc);
1.16 parser 210: }
211:
212: // Text createTextNode(in DOMString data);
1.111 paf 213: static void _createTextNode(Request& r, MethodParams& params) {
214: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 215:
1.111 paf 216: const String& data=params.as_string(0, "data must be string");
1.16 parser 217:
1.54 paf 218: GdomeException exc;
219: GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode(
1.111 paf 220: vdoc.get_document(),
221: r.transcode(data).use(),
1.54 paf 222: &exc);
1.111 paf 223: writeNode(r, node, exc);
1.16 parser 224: }
225:
226: // Comment createComment(in DOMString data)
1.111 paf 227: static void _createComment(Request& r, MethodParams& params) {
228: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 229:
1.111 paf 230: const String& data=params.as_string(0, "data must be string");
1.16 parser 231:
1.54 paf 232: GdomeException exc;
233: GdomeNode *node=(GdomeNode *)gdome_doc_createComment(
1.111 paf 234: vdoc.get_document(),
235: r.transcode(data).use(),
1.54 paf 236: &exc);
1.111 paf 237: writeNode(r, node, exc);
1.16 parser 238: }
239:
240: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
1.111 paf 241: static void _createCDATASection(Request& r, MethodParams& params) {
242: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 243:
1.111 paf 244: const String& data=params.as_string(0, "data must be string");
1.16 parser 245:
1.54 paf 246: GdomeException exc;
247: GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection(
1.111 paf 248: vdoc.get_document(),
249: r.transcode(data).use(),
1.54 paf 250: &exc);
1.111 paf 251: writeNode(r, node, exc);
1.16 parser 252: }
253:
254: // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException);
1.111 paf 255: static void _createProcessingInstruction(Request& r, MethodParams& params) {
256: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 257:
1.111 paf 258: const String& target=params.as_string(0, "data must be string");
259: const String& data=params.as_string(1, "data must be string");
1.16 parser 260:
1.54 paf 261: GdomeException exc;
262: GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction(
1.111 paf 263: vdoc.get_document(),
264: r.transcode(target).use(),
265: r.transcode(data).use(),
1.54 paf 266: &exc);
1.111 paf 267: writeNode(r, node, exc);
1.16 parser 268: }
269:
270: // Attr createAttribute(in DOMString name) raises(DOMException);
1.111 paf 271: static void _createAttribute(Request& r, MethodParams& params) {
272: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 273:
1.111 paf 274: const String& name=params.as_string(0, "name must be string");
1.16 parser 275:
1.54 paf 276: GdomeException exc;
277: GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute(
1.111 paf 278: vdoc.get_document(),
279: r.transcode(name).use(),
1.54 paf 280: &exc);
1.111 paf 281: writeNode(r, node, exc);
1.16 parser 282: }
1.112 paf 283:
1.113 paf 284: // Attr createAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 285: static void _createAttributeNS(Request& r, MethodParams& params) {
286: VXdoc& vdoc=GET_SELF(r, VXdoc);
287:
288: // namespaceURI;qualifiedName
289: const String& namespaceURI=params.as_string(0, "namespaceURI must be string");
290: const String& qualifiedName=params.as_string(1, "name must be string");
291:
292: GdomeException exc;
293: GdomeNode *node=(GdomeNode *)gdome_doc_createAttributeNS(
294: vdoc.get_document(),
295: r.transcode(namespaceURI).use(),
296: r.transcode(qualifiedName).use(),
297: &exc);
298: writeNode(r, node, exc);
299: }
300:
1.16 parser 301: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
1.111 paf 302: static void _createEntityReference(Request& r, MethodParams& params) {
303: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 304:
1.111 paf 305: const String& name=params.as_string(0, "name must be string");
1.16 parser 306:
1.54 paf 307: GdomeException exc;
308: GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference(
1.111 paf 309: vdoc.get_document(),
310: r.transcode(name).use(),
1.54 paf 311: &exc);
1.111 paf 312: writeNode(r, node, exc);
1.16 parser 313: }
314:
1.99 paf 315: // NodeList getElementsByTagName(in DOMString name);
1.111 paf 316: static void _getElementsByTagName(Request& r, MethodParams& params) {
317: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.99 paf 318:
1.111 paf 319: const String& name=params.as_string(0, "name must be string");
1.99 paf 320:
1.111 paf 321: VHash& result=*new VHash;
1.99 paf 322: GdomeException exc;
323: if(GdomeNodeList *nodes=
324: gdome_doc_getElementsByTagName(
1.111 paf 325: vdoc.get_document(),
326: r.transcode(name).use(),
1.99 paf 327: &exc)) {
328: gulong length=gdome_nl_length(nodes, &exc);
1.111 paf 329: for(gulong i=0; i<length; i++)
330: result.hash().put(
1.114 ! paf 331: String::Body::Format(i),
1.111 paf 332: new VXnode(&r.charsets, gdome_nl_item(nodes, i, &exc)));
1.99 paf 333: } else if(exc)
1.111 paf 334: throw Exception(0, exc);
1.99 paf 335:
336: // write out result
337: r.write_no_lang(result);
338: }
339:
1.111 paf 340: static void _getElementsByTagNameNS(Request& r, MethodParams& params) {
341: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.99 paf 342:
343: // namespaceURI;localName
1.111 paf 344: const String& namespaceURI=params.as_string(0, "namespaceURI must be string");
345: const String& localName=params.as_string(1, "localName must be string");
1.99 paf 346:
347: GdomeException exc;
1.111 paf 348: VHash& result=*new VHash;
1.99 paf 349: if(GdomeNodeList *nodes=
350: gdome_doc_getElementsByTagNameNS(
1.111 paf 351: vdoc.get_document(),
352: r.transcode(namespaceURI).use(),
353: r.transcode(localName).use(),
1.99 paf 354: &exc)) {
355: gulong length=gdome_nl_length(nodes, &exc);
1.111 paf 356: for(gulong i=0; i<length; i++)
357: result.hash().put(
1.114 ! paf 358: String::Body::Format(i),
1.111 paf 359: new VXnode(&r.charsets, gdome_nl_item(nodes, i, &exc)));
1.99 paf 360: }
361:
362: // write out result
363: r.write_no_lang(result);
364: }
365:
1.111 paf 366: static void _getElementById(Request& r, MethodParams& params) {
367: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 368:
1.54 paf 369: // elementId
1.111 paf 370: const String& elementId=params.as_string(0, "elementID must be string");
1.1 parser 371:
1.54 paf 372: GdomeException exc;
373: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
1.111 paf 374: vdoc.get_document(),
375: r.transcode(elementId).use(),
1.54 paf 376: &exc)) {
377: // write out result
1.111 paf 378: r.write_no_lang(*new VXnode(&r.charsets, node));
1.66 paf 379: } else if(exc || xmlHaveGenericErrors())
1.87 paf 380: throw Exception(
1.111 paf 381: &elementId,
1.54 paf 382: exc);
383: }
1.79 paf 384:
1.111 paf 385: static void _importNode(Request& r, MethodParams& params) {
386: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.79 paf 387:
388: GdomeNode *importedNode=
1.111 paf 389: as_node(params, 0, "importedNode must be node");
1.79 paf 390: bool deep=
1.111 paf 391: params.as_bool(1, "deep must be bool", r);
1.79 paf 392:
393: GdomeException exc;
1.111 paf 394: GdomeNode *outputNode=gdome_doc_importNode(vdoc.get_document(),
1.79 paf 395: importedNode,
396: deep, &exc);
397: if(exc)
1.111 paf 398: throw Exception(0, exc);
1.79 paf 399:
400: // write out result
1.111 paf 401: r.write_no_lang(*new VXnode(&r.charsets, outputNode));
1.79 paf 402: }
1.54 paf 403: /*
404: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
405: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
406: */
1.1 parser 407:
1.111 paf 408: static void _create(Request& r, MethodParams& params) {
409: Charset& source_charset=r.charsets.source();
410: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.1 parser 411:
1.111 paf 412: Value& param=params[params.count()-1];
1.83 paf 413: GdomeDocument *document;
1.111 paf 414: bool set_encoding=false;
1.95 paf 415: if(param.get_junction()) { // {<?xml?>...}
1.111 paf 416: Temp_lang temp_lang(r, String::L_XML);
1.91 paf 417: const String& xml=r.process_to_string(param);
1.83 paf 418:
1.111 paf 419: const char* cstr=xml.cstr(String::L_UNSPECIFIED);
1.83 paf 420: document=(GdomeDocument *)
421: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
422: cstr, strlen(cstr)
423: ));
1.111 paf 424: //printf("document=0x%p\n", document);
1.83 paf 425: if(!document || xmlHaveGenericErrors()) {
426: GdomeException exc=0;
1.111 paf 427: throw Exception(0, exc);
1.83 paf 428: }
1.111 paf 429:
430: // must be last action in if, see after if}
1.83 paf 431: } else { // [name]
432: const String& qualifiedName=param.as_string();
1.1 parser 433:
1.83 paf 434: GdomeException exc;
435: /*
436: GdomeDocumentType *documentType=gdome_di_createDocumentType (
437: docimpl,
1.111 paf 438: r.transcode(qualifiedName),
1.83 paf 439: 0/*publicId* /,
440: 0/*systemId* /,
441: &exc);
442: if(!documentType || exc || xmlHaveGenericErrors())
1.87 paf 443: throw Exception(
1.111 paf 444: method_name,
1.83 paf 445: exc);
1.111 paf 446: /// +xalan createXMLDecl ?
1.83 paf 447: */
448: document=gdome_di_createDocument (domimpl,
449: 0/*namespaceURI*/,
1.111 paf 450: r.transcode(qualifiedName).use(),
1.83 paf 451: 0/*doctype*/,
452: &exc);
453: if(!document || exc || xmlHaveGenericErrors())
1.111 paf 454: throw Exception(0, exc);
1.103 paf 455:
1.111 paf 456: set_encoding=true;
457: // must be last action in if, see after if}
458: }
459: // must be first action after if}
460: // replace any previous parsed source
461: {
462: vdoc.set_document(&r.charsets, document);
463: GdomeException exc;
464: gdome_doc_unref(document, &exc);
1.73 paf 465: }
1.95 paf 466:
467: // URI
1.111 paf 468: const char* URI_cstr;
469: const char* URI_cstr_ptr;
470: if(params.count()>1) { // absolute(param)
471: const String& URI=params.as_string(0, "URI must be string");
472: URI_cstr=URI_cstr_ptr=r.absolute(URI).cstr();
1.95 paf 473: } else // default = disk path to requested document
1.111 paf 474: URI_cstr=r.request_info.path_translated;
1.95 paf 475: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
476: if(URI_cstr)
1.111 paf 477: doc->URL=source_charset.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
1.95 paf 478:
1.111 paf 479: if(set_encoding) {
480: const char* source_charset_name=source_charset.NAME().cstr();
481: doc->encoding=source_charset.transcode_buf2xchar(source_charset_name, strlen(source_charset_name));
482: }
1.9 parser 483: }
484:
1.111 paf 485: static void _load(Request& r, MethodParams& params) {
486: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.9 parser 487:
1.54 paf 488: // filespec
1.111 paf 489: const String& file_name=params.as_string(0, "uri must be string");
1.54 paf 490: const String& uri=r.absolute(file_name);
1.105 paf 491:
1.111 paf 492: File_read_result file=file_read(r.charsets, uri, false/*not text*/,
493: params.count()>1?params.as_no_junction(1, "additional params must be hash")
494: .get_hash()
1.105 paf 495: :0);
496:
1.73 paf 497: GdomeDocument *document=(GdomeDocument *)
1.111 paf 498: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(file.str, file.length));
1.73 paf 499: if(!document || xmlHaveGenericErrors()) {
500: GdomeException exc=0;
1.111 paf 501: throw Exception(&uri, exc);
502: }
503: // must be first action after if}
504: // replace any previous parsed source
505: {
506: vdoc.set_document(&r.charsets, document);
507: GdomeException exc;
508: gdome_doc_unref(document, &exc);
1.73 paf 509: }
1.111 paf 510:
511: const char* URI_cstr=uri.cstr();
1.107 paf 512: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
513: if(URI_cstr)
1.111 paf 514: doc->URL=r.charsets.source().transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
1.9 parser 515:
516: }
517:
1.111 paf 518: static void param_option_over_output_option(
519: HashStringValue& param_options, const char* option_name,
520: const String*& output_option) {
1.114 ! paf 521: if(Value* value=param_options.get(String::Body(option_name)))
1.61 paf 522: output_option=&value->as_string();
1.46 paf 523: }
1.111 paf 524: static void param_option_over_output_option(
525: HashStringValue& param_options, const char* option_name,
526: bool& output_option) {
1.114 ! paf 527: if(Value* value=param_options.get(String::Body(option_name))) {
1.46 paf 528: const String& s=value->as_string();
529: if(s=="yes")
530: output_option=true;
531: else if(s=="no")
532: output_option=false;
533: else
1.87 paf 534: throw Exception("parser.runtime",
1.46 paf 535: &s,
536: "%s must be either 'yes' or 'no'", option_name);
537: }
538: }
539:
1.100 paf 540: /// @test valid_options check
1.111 paf 541: static void prepare_output_options(Request& r,
542: MethodParams& params, size_t index,
543: VXdoc::Output_options& oo) {
1.46 paf 544: /*
545: <xsl:output
546: !method = "xml" | "html" | "text" | qname-but-not-ncname
547: !version = nmtoken
548: !encoding = string
549: !omit-xml-declaration = "yes" | "no"
550: !standalone = "yes" | "no"
551: !doctype-public = string
552: !doctype-system = string
553: cdata-section-elements = qnames
554: !indent = "yes" | "no"
555: !media-type = string />
1.61 paf 556: */
1.1 parser 557:
1.46 paf 558: // configuring with options from parameter...
1.111 paf 559: if(params.count()>index) {
560: Value& voptions=params.as_no_junction(index, "options must be string");
1.1 parser 561: if(voptions.is_defined()) {
1.111 paf 562: if(HashStringValue *options=voptions.get_hash()) {
1.1 parser 563: // $.method[xml|html|text]
1.114 ! paf 564: if(Value* vmethod=options->get(String::Body(XDOC_OUTPUT_METHOD_OPTION_NAME)))
1.61 paf 565: oo.method=&vmethod->as_string();
1.1 parser 566:
1.46 paf 567: // $.version[1.0]
1.111 paf 568: param_option_over_output_option(*options, "version", oo.version);
1.1 parser 569: // $.encoding[windows-1251|...]
1.111 paf 570: param_option_over_output_option(*options, "encoding", oo.encoding);
1.46 paf 571: // $.omit-xml-declaration[yes|no]
1.111 paf 572: param_option_over_output_option(*options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 573: // $.standalone[yes|no]
1.111 paf 574: param_option_over_output_option(*options, "standalone", oo.standalone);
1.46 paf 575: // $.doctype-public[?]
1.111 paf 576: param_option_over_output_option(*options, "doctype-public", oo.doctypePublic);
1.46 paf 577: // $.doctype-system[?]
1.111 paf 578: param_option_over_output_option(*options, "doctype-system", oo.doctypeSystem);
1.46 paf 579: // $.indent[yes|no]
1.111 paf 580: param_option_over_output_option(*options, "indent", oo.indent);
1.46 paf 581: // $.media-type[text/{html|xml|plain}]
1.111 paf 582: param_option_over_output_option(*options, "media-type", oo.mediaType);
1.19 parser 583: }
1.1 parser 584: }
585: }
586:
1.46 paf 587: // default encoding from pool
1.61 paf 588: if(!oo.encoding)
1.111 paf 589: oo.encoding=new String(r.charsets.source().NAME(), String::L_TAINTED);
1.46 paf 590: // default method=xml
591: if(!oo.method)
1.111 paf 592: oo.method=new String(XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
1.61 paf 593: // default mediaType = depending on method
594: if(!oo.mediaType) {
595: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
1.111 paf 596: oo.mediaType=new String("text/xml");
1.61 paf 597: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
1.111 paf 598: oo.mediaType=new String("text/html");
1.61 paf 599: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
1.111 paf 600: oo.mediaType=new String("text/plain");
1.61 paf 601: }
602: }
1.46 paf 603:
1.111 paf 604: struct Xdoc2buf_result {
605: char* str;
606: size_t length;
607: };
608: static Xdoc2buf_result xdoc2buf(Request& r, VXdoc& vdoc,
609: MethodParams& params, int index,
1.63 paf 610: VXdoc::Output_options& oo,
1.111 paf 611: const String* file_spec) {
612: Xdoc2buf_result result;
613: prepare_output_options(r, params, index,
1.61 paf 614: oo);
615:
1.111 paf 616: const char* encoding_cstr=oo.encoding->cstr();
1.63 paf 617: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
618: if(!encoder)
1.87 paf 619: throw Exception("parser.runtime",
1.111 paf 620: 0,
1.63 paf 621: "encoding '%s' not supported", encoding_cstr);
1.61 paf 622: // UTF-8 encoder contains empty input/output converters,
623: // which is wrong for xmlOutputBufferCreateIO
624: // while zero encoder goes perfectly
625: if(encoder && strcmp(encoder->name, "UTF-8")==0)
626: encoder=0;
627:
1.62 paf 628: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 629:
1.65 paf 630: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
631: if(!stylesheet.get())
1.87 paf 632: throw Exception(0,
1.111 paf 633: 0,
1.61 paf 634: "xsltNewStylesheet failed");
635:
1.62 paf 636: #define OOS2STYLE(name) \
1.111 paf 637: stylesheet->name=oo.name?BAD_CAST xmlMemStrdup(r.transcode(*oo.name)->str):0
1.62 paf 638: #define OOE2STYLE(name) \
639: stylesheet->name=oo.name
1.61 paf 640:
1.62 paf 641: OOS2STYLE(method);
642: OOS2STYLE(encoding);
643: OOS2STYLE(mediaType);
644: OOS2STYLE(doctypeSystem);
645: OOS2STYLE(doctypePublic);
646: OOE2STYLE(indent);
647: OOS2STYLE(version);
648: OOE2STYLE(standalone);
649: OOE2STYLE(omitXmlDeclaration);
1.61 paf 650:
1.111 paf 651: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document());
1.81 paf 652: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 653: GdomeException exc=0;
1.111 paf 654: throw Exception(0, exc);
1.75 paf 655: }
1.61 paf 656:
1.54 paf 657: // write out result
1.111 paf 658: char *gnome_str; size_t gnome_length;
1.63 paf 659: if(outputBuffer->conv) {
1.111 paf 660: gnome_length=outputBuffer->conv->use;
661: gnome_str=(char *)outputBuffer->conv->content;
1.63 paf 662: } else {
1.111 paf 663: gnome_length=outputBuffer->buffer->use;
664: gnome_str=(char *)outputBuffer->buffer->content;
1.63 paf 665: }
1.111 paf 666:
1.63 paf 667: if(file_spec)
1.111 paf 668: file_write(*file_spec,
669: gnome_str, gnome_length,
670: true/*as_text*/);
671: else if(result.length=gnome_length) {
672: result.str=pa_strdup(gnome_str, gnome_length);
1.74 paf 673: } else
1.111 paf 674: result.str=0;
675:
676: return result;
1.1 parser 677: }
678:
1.111 paf 679: static void _file(Request& r, MethodParams& params) {
680: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 681: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 682: Xdoc2buf_result buf=xdoc2buf(r, vdoc, params, 0,
1.63 paf 683: oo,
1.111 paf 684: 0/*not to file, to memory*/);
1.63 paf 685: // write out result
1.111 paf 686: r.write_no_lang(String(buf.str, buf.length));
1.1 parser 687:
1.58 paf 688: // write out result
1.111 paf 689: VFile& vfile=*new VFile;
690: VHash& vhcontent_type=*new VHash;
691: vhcontent_type.hash().put(
692: value_name,
693: new VString(*oo.mediaType));
694: vhcontent_type.hash().put(
1.114 ! paf 695: String::Body("charset"),
1.111 paf 696: new VString(*oo.encoding));
697:
698: vfile.set(false/*tainted*/, buf.str?buf.str:""/*to distinguish from stat-ed file*/, buf.length,
699: 0/*file_name*/, &vhcontent_type);
1.58 paf 700: r.write_no_lang(vfile);
1.63 paf 701: }
702:
1.111 paf 703: static void _save(Request& r, MethodParams& params) {
704: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 705:
1.111 paf 706: const String& file_spec=r.absolute(params.as_string(0, "file name must be string"));
1.63 paf 707:
708: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 709: xdoc2buf(r, vdoc, params, 1,
1.63 paf 710: oo,
1.111 paf 711: &file_spec);
1.63 paf 712: }
713:
1.111 paf 714: static void _string(Request& r, MethodParams& params) {
715: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 716: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 717: Xdoc2buf_result buf=xdoc2buf(r, vdoc, params, 0,
1.63 paf 718: oo,
1.111 paf 719: 0/*not to file, to memory*/);
1.63 paf 720: // write out result
1.111 paf 721: r.write_no_lang(String(buf.str, buf.length));
1.1 parser 722: }
1.58 paf 723:
1.111 paf 724: #ifndef DOXYGEN
725: struct Add_xslt_param_info {
726: Request* r;
727: Array<GdomeDOMString_auto_ptr>* strings;
728: const char** current_transform_param;
729: };
730: #endif
731: static void add_xslt_param(
732: HashStringValue::key_type attribute,
733: HashStringValue::value_type meaning,
734: Add_xslt_param_info* info) {
735: GdomeDOMString_auto_ptr s;
736: *info->current_transform_param++=(s=info->r->transcode(attribute))->str; *info->strings+=s;
737: *info->current_transform_param++=(s=info->r->transcode(meaning->as_string()))->str; *info->strings+=s;
738: }
739: static VXdoc& _transform(Request& r, const String* stylesheet_source,
740: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char** transform_params) {
741: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document());
1.65 paf 742: xsltTransformContext_auto_ptr transformContext(
743: xsltNewTransformContext(stylesheet, document));
1.90 paf 744: // make params literal
1.111 paf 745: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
1.90 paf 746: transformContext->globalVars = xmlHashCreate(20);
747: xsltQuoteUserParams(transformContext.get(), transform_params);
748: // do transform
1.59 paf 749: xmlDoc *transformed=xsltApplyStylesheetUser(
750: stylesheet,
751: document,
1.90 paf 752: 0/*already quoted-inserted transform_params*/,
1.111 paf 753: 0/*const char* output*/,
1.59 paf 754: 0/*FILE *profile*/,
1.65 paf 755: transformContext.get());
1.66 paf 756: if(!transformed || xmlHaveGenericErrors()) {
757: GdomeException exc=0;
1.111 paf 758: throw Exception(stylesheet_source, exc);
1.66 paf 759: }
1.42 paf 760:
1.61 paf 761: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
762: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 763: // constructing result
764: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
765: if(!gdomeDocument)
1.87 paf 766: throw Exception(0,
1.111 paf 767: 0,
1.59 paf 768: "gdome_xml_doc_mkref failed");
1.111 paf 769: VXdoc& result=*new VXdoc(&r.charsets, gdomeDocument);
1.61 paf 770: /* grabbing options
771:
772: <xsl:output
773: !method = "xml" | "html" | "text"
774: X| qname-but-not-ncname
775: !version = nmtoken
776: !encoding = string
777: !omit-xml-declaration = "yes" | "no"
778: !standalone = "yes" | "no"
779: !doctype-public = string
780: !doctype-system = string
781: Xcdata-section-elements = qnames
782: !indent = "yes" | "no"
783: !media-type = string />
1.59 paf 784: */
785: VXdoc::Output_options& oo=result.output_options;
786:
1.111 paf 787: oo.method=stylesheet->method?&r.transcode(stylesheet->method):0;
788: oo.encoding=stylesheet->encoding?&r.transcode(stylesheet->encoding):0;
789: oo.mediaType=stylesheet->mediaType?&r.transcode(stylesheet->mediaType):0;
790: oo.doctypeSystem=stylesheet->doctypeSystem?&r.transcode(stylesheet->doctypeSystem):0;
791: oo.doctypePublic=stylesheet->doctypePublic?&r.transcode(stylesheet->doctypePublic):0;
1.59 paf 792: oo.indent=stylesheet->indent!=0;
1.111 paf 793: oo.version=stylesheet->version?&r.transcode(stylesheet->version):0;
1.59 paf 794: oo.standalone=stylesheet->standalone!=0;
795: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
796:
1.93 paf 797: // return
798: return result;
799: }
1.111 paf 800: static void _transform(Request& r, MethodParams& params) {
801: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.93 paf 802:
803: // params
1.111 paf 804: Array<GdomeDOMString_auto_ptr> transform_strings;
805: const char** transform_params=0;
806: if(params.count()>1) {
807: Value& vparams=params.as_no_junction(1, "transform parameters must be hash");
1.106 paf 808: if(!vparams.is_string())
1.111 paf 809: if(HashStringValue* hash=vparams.get_hash()) {
810: transform_params=new(UseGC) const char*[hash->count()*2+1];
811: Add_xslt_param_info info={
812: &r,
813: &transform_strings,
814: transform_params
815: };
816: hash->for_each(add_xslt_param, &info);
817: transform_params[hash->count()*2]=0;
1.93 paf 818: } else
819: throw Exception("parser.runtime",
1.111 paf 820: 0,
1.93 paf 821: "transform parameters parameter must be hash");
822: }
823:
1.111 paf 824: VXdoc* result;
825: if(Value *vxdoc=params[0].as(VXDOC_TYPE, false)) { // stylesheet (xdoc)
1.93 paf 826: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
1.111 paf 827: static_cast<VXdoc *>(vxdoc)->get_document());
1.93 paf 828: // compile xdoc stylesheet
1.94 paf 829: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
830: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
831: // we don't need that
832: stylesheet_ptr->doc=0;
1.93 paf 833: if(xmlHaveGenericErrors()) {
834: GdomeException exc=0;
1.111 paf 835: throw Exception(0, exc);
1.93 paf 836: }
837: if(!stylesheet_ptr.get())
838: throw Exception("xml",
1.111 paf 839: 0,
1.93 paf 840: "stylesheet failed to compile");
841:
842: // transform!
1.111 paf 843: result=&_transform(r, 0,
1.93 paf 844: vdoc, stylesheet_ptr.get(),
845: transform_params);
846: } else { // stylesheet (file name)
847: // extablish stylesheet connection
848: const String& stylesheet_filespec=
1.111 paf 849: r.absolute(params.as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
850: Stylesheet_connection_ptr connection=stylesheet_manager.get_connection(stylesheet_filespec);
1.93 paf 851:
852: // load and compile file to stylesheet [or get cached if any]
853: // transform!
1.111 paf 854: result=&_transform(r, &stylesheet_filespec,
1.93 paf 855: vdoc, connection->stylesheet(false/*nocache*/),
856: transform_params);
857: }
858:
1.59 paf 859: // write out result
1.93 paf 860: r.write_no_lang(*result);
1.1 parser 861: }
862:
1.16 parser 863: // constructor
1.2 parser 864:
1.92 paf 865: /// @test how to create empty type html?
1.111 paf 866: MXdoc::MXdoc(): MXnode(XDOC_CLASS_NAME, xnode_class) {
1.16 parser 867: /// DOM1
1.2 parser 868:
1.16 parser 869: // Element createElement(in DOMString tagName) raises(DOMException);
870: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
871: // DocumentFragment createDocumentFragment();
872: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
873: // Text createTextNode(in DOMString data);
874: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
875: // Comment createComment(in DOMString data);
876: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
877: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
878: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
879: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
880: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
881: // Attr createAttribute(in DOMString name) raises(DOMException);
882: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
883: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
884: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.99 paf 885: // NodeList getElementsByTagName(in DOMString name);
886: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
1.2 parser 887:
1.79 paf 888: /// DOM2
1.2 parser 889:
1.16 parser 890: // ^xdoc.getElementById[elementId]
891: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 892:
893: // Node (in Node importedNode, in boolean deep) raises(DOMException)
894: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.112 paf 895:
1.113 paf 896: // Attr createAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 897: add_native_method("createAttributeNS", Method::CT_DYNAMIC, _createAttributeNS, 2, 2);
898:
1.113 paf 899: // Element createElementNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 900: add_native_method("createElementNS", Method::CT_DYNAMIC, _createElementNS, 2, 2);
1.99 paf 901:
902: // NodeList getElementsByTagNameNS(in DOMString namespaceURI, in DOMString localName);
903: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.1 parser 904:
1.16 parser 905: /// parser
906:
1.54 paf 907: // ^xdoc::create{qualifiedName}
1.95 paf 908: // ^xdoc::create[<some>xml</some>]
909: // ^xdoc::create[URI][<some>xml</some>]
910: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 911: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
912: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 913:
914: // ^xdoc::load[some.xml]
1.105 paf 915: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2);
1.54 paf 916:
1.2 parser 917: // ^xdoc.save[some.xml]
918: // ^xdoc.save[some.xml;options hash]
1.1 parser 919: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
920:
1.2 parser 921: // ^xdoc.string[] <doc/>
922: // ^xdoc.string[options hash] <doc/>
1.1 parser 923: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
924:
1.2 parser 925: // ^xdoc.file[] file with "<doc/>"
926: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 927: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 928:
1.98 paf 929: // ^xdoc.transform[stylesheet file_name/xdoc]
930: // ^xdoc.transform[stylesheet file_name/xdoc;params hash]
1.59 paf 931: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 932:
1.1 parser 933: }
1.5 parser 934:
935: void MXdoc::configure_admin(Request& r) {
936: }
937:
1.111 paf 938: # else
939:
940: #include "classes.h"
941:
1.1 parser 942: // global variable
943:
1.111 paf 944: DECLARE_CLASS_VAR(xdoc, 0, 0); // fictive
1.1 parser 945:
946: #endif
947:
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