Annotation of parser3/src/classes/xdoc.C, revision 1.115
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:
1.115 ! paf 12: static const char* IDENT_XDOC_C="$Date: 2003/09/25 09:15:02 $";
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"
1.115 ! paf 29: #include "pa_xml_exception.h"
1.111 paf 30: #include "xnode.h"
31:
1.1 parser 32: // defines
33:
34: #define XDOC_CLASS_NAME "xdoc"
35:
36: #define XDOC_OUTPUT_METHOD_OPTION_NAME "method"
37: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml"
38: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html"
39: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text"
40:
41: // class
42:
1.111 paf 43: class MXdoc: public MXnode {
1.1 parser 44: public: // VStateless_class
1.111 paf 45: Value* create_new_value() { return new VXdoc(0, 0); }
1.1 parser 46:
47: public:
1.111 paf 48: MXdoc();
1.1 parser 49:
50: public: // Methoded
1.5 parser 51: void configure_admin(Request& r);
1.1 parser 52: };
53:
1.111 paf 54: // global variable
55:
56: DECLARE_CLASS_VAR(xdoc, new MXdoc, 0);
57:
1.61 paf 58: // helper classes
59:
60: class xmlOutputBuffer_auto_ptr {
61: public:
1.67 paf 62: explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_APtr = 0)
63: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.61 paf 64: xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y)
65: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
66: xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y)
67: {if (this != &_Y)
68: {if (_Ptr != _Y.get())
69: {if (_Owns && _Ptr)
70: xmlOutputBufferClose(_Ptr);
71: _Owns = _Y._Owns; }
72: else if (_Y._Owns)
73: _Owns = true;
74: _Ptr = _Y.release(); }
75: return (*this); }
76: ~xmlOutputBuffer_auto_ptr()
77: {if (_Owns && _Ptr)
78: xmlOutputBufferClose(_Ptr); }
79: xmlOutputBuffer& operator*() const
80: {return (*get()); }
81: xmlOutputBuffer *operator->() const
82: {return (get()); }
83: xmlOutputBuffer *get() const
84: {return (_Ptr); }
85: xmlOutputBuffer *release() const
86: {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false;
87: return (_Ptr); }
88: private:
89: bool _Owns;
90: xmlOutputBuffer *_Ptr;
91: };
92:
1.65 paf 93: class xsltTransformContext_auto_ptr {
94: public:
1.67 paf 95: explicit xsltTransformContext_auto_ptr(xsltTransformContext *_APtr = 0)
96: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 97: xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y)
98: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
99: xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y)
100: {if (this != &_Y)
101: {if (_Ptr != _Y.get())
102: {if (_Owns && _Ptr)
103: xsltFreeTransformContext(_Ptr);
104: _Owns = _Y._Owns; }
105: else if (_Y._Owns)
106: _Owns = true;
107: _Ptr = _Y.release(); }
108: return (*this); }
109: ~xsltTransformContext_auto_ptr()
110: {if (_Owns && _Ptr)
111: xsltFreeTransformContext(_Ptr); }
112: xsltTransformContext& operator*() const
113: {return (*get()); }
114: xsltTransformContext *operator->() const
115: {return (get()); }
116: xsltTransformContext *get() const
117: {return (_Ptr); }
118: xsltTransformContext *release() const
119: {((xsltTransformContext_auto_ptr *)this)->_Owns = false;
120: return (_Ptr); }
121: private:
122: bool _Owns;
123: xsltTransformContext *_Ptr;
124: };
1.61 paf 125:
1.65 paf 126: class xsltStylesheet_auto_ptr {
127: public:
1.67 paf 128: explicit xsltStylesheet_auto_ptr(xsltStylesheet *_APtr = 0)
129: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 130: xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y)
131: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
132: xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y)
133: {if (this != &_Y)
134: {if (_Ptr != _Y.get())
135: {if (_Owns && _Ptr)
136: xsltFreeStylesheet(_Ptr);
137: _Owns = _Y._Owns; }
138: else if (_Y._Owns)
139: _Owns = true;
140: _Ptr = _Y.release(); }
141: return (*this); }
142: ~xsltStylesheet_auto_ptr()
143: {if (_Owns && _Ptr)
144: xsltFreeStylesheet(_Ptr); }
145: xsltStylesheet& operator*() const
146: {return (*get()); }
147: xsltStylesheet *operator->() const
148: {return (get()); }
149: xsltStylesheet *get() const
150: {return (_Ptr); }
151: xsltStylesheet *release() const
152: {((xsltStylesheet_auto_ptr *)this)->_Owns = false;
153: return (_Ptr); }
154: private:
155: bool _Owns;
156: xsltStylesheet *_Ptr;
157: };
1.61 paf 158:
1.1 parser 159: // methods
160:
1.111 paf 161: static void writeNode(Request& r, GdomeNode *node,
1.54 paf 162: GdomeException exc) {
163: if(!node || exc)
1.115 ! paf 164: throw XmlException(0, exc);
1.54 paf 165:
166: // write out result
1.111 paf 167: r.write_no_lang(*new VXnode(&r.charsets, node));
1.54 paf 168: }
169:
1.16 parser 170: // Element createElement(in DOMString tagName) raises(DOMException);
1.111 paf 171: static void _createElement(Request& r, MethodParams& params) {
172: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 173:
1.111 paf 174: const String& tagName=params.as_string(0, "tagName must be string");
1.16 parser 175:
1.54 paf 176: GdomeException exc;
177: GdomeNode *node=
1.111 paf 178: (GdomeNode *)gdome_doc_createElement(vdoc.get_document(),
179: r.transcode(tagName).use(),
1.54 paf 180: &exc);
1.111 paf 181: writeNode(r, node, exc);
1.16 parser 182: }
183:
1.113 paf 184: // Element createElementNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 185: static void _createElementNS(Request& r, MethodParams& params) {
186: VXdoc& vdoc=GET_SELF(r, VXdoc);
187:
188: // namespaceURI;localName
189: const String& namespaceURI=params.as_string(0, "namespaceURI must be string");
1.113 paf 190: const String& qualifiedName=params.as_string(1, "qualifiedName must be string");
1.112 paf 191:
192: GdomeException exc;
193: GdomeNode *node=
194: (GdomeNode *)gdome_doc_createElementNS(vdoc.get_document(),
195: r.transcode(namespaceURI).use(),
1.113 paf 196: r.transcode(qualifiedName).use(),
1.112 paf 197: &exc);
198: writeNode(r, node, exc);
199: }
200:
1.16 parser 201: // DocumentFragment createDocumentFragment()
1.111 paf 202: static void _createDocumentFragment(Request& r, MethodParams&) {
203: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 204:
1.54 paf 205: GdomeException exc;
206: GdomeNode *node=
207: (GdomeNode *)gdome_doc_createDocumentFragment(
1.111 paf 208: vdoc.get_document(),
1.54 paf 209: &exc);
1.111 paf 210: writeNode(r, node, exc);
1.16 parser 211: }
212:
213: // Text createTextNode(in DOMString data);
1.111 paf 214: static void _createTextNode(Request& r, MethodParams& params) {
215: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 216:
1.111 paf 217: const String& data=params.as_string(0, "data must be string");
1.16 parser 218:
1.54 paf 219: GdomeException exc;
220: GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode(
1.111 paf 221: vdoc.get_document(),
222: r.transcode(data).use(),
1.54 paf 223: &exc);
1.111 paf 224: writeNode(r, node, exc);
1.16 parser 225: }
226:
227: // Comment createComment(in DOMString data)
1.111 paf 228: static void _createComment(Request& r, MethodParams& params) {
229: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 230:
1.111 paf 231: const String& data=params.as_string(0, "data must be string");
1.16 parser 232:
1.54 paf 233: GdomeException exc;
234: GdomeNode *node=(GdomeNode *)gdome_doc_createComment(
1.111 paf 235: vdoc.get_document(),
236: r.transcode(data).use(),
1.54 paf 237: &exc);
1.111 paf 238: writeNode(r, node, exc);
1.16 parser 239: }
240:
241: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
1.111 paf 242: static void _createCDATASection(Request& r, MethodParams& params) {
243: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 244:
1.111 paf 245: const String& data=params.as_string(0, "data must be string");
1.16 parser 246:
1.54 paf 247: GdomeException exc;
248: GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection(
1.111 paf 249: vdoc.get_document(),
250: r.transcode(data).use(),
1.54 paf 251: &exc);
1.111 paf 252: writeNode(r, node, exc);
1.16 parser 253: }
254:
255: // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException);
1.111 paf 256: static void _createProcessingInstruction(Request& r, MethodParams& params) {
257: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 258:
1.111 paf 259: const String& target=params.as_string(0, "data must be string");
260: const String& data=params.as_string(1, "data must be string");
1.16 parser 261:
1.54 paf 262: GdomeException exc;
263: GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction(
1.111 paf 264: vdoc.get_document(),
265: r.transcode(target).use(),
266: r.transcode(data).use(),
1.54 paf 267: &exc);
1.111 paf 268: writeNode(r, node, exc);
1.16 parser 269: }
270:
271: // Attr createAttribute(in DOMString name) raises(DOMException);
1.111 paf 272: static void _createAttribute(Request& r, MethodParams& params) {
273: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 274:
1.111 paf 275: const String& name=params.as_string(0, "name must be string");
1.16 parser 276:
1.54 paf 277: GdomeException exc;
278: GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute(
1.111 paf 279: vdoc.get_document(),
280: r.transcode(name).use(),
1.54 paf 281: &exc);
1.111 paf 282: writeNode(r, node, exc);
1.16 parser 283: }
1.112 paf 284:
1.113 paf 285: // Attr createAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 286: static void _createAttributeNS(Request& r, MethodParams& params) {
287: VXdoc& vdoc=GET_SELF(r, VXdoc);
288:
289: // namespaceURI;qualifiedName
290: const String& namespaceURI=params.as_string(0, "namespaceURI must be string");
291: const String& qualifiedName=params.as_string(1, "name must be string");
292:
293: GdomeException exc;
294: GdomeNode *node=(GdomeNode *)gdome_doc_createAttributeNS(
295: vdoc.get_document(),
296: r.transcode(namespaceURI).use(),
297: r.transcode(qualifiedName).use(),
298: &exc);
299: writeNode(r, node, exc);
300: }
301:
1.16 parser 302: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
1.111 paf 303: static void _createEntityReference(Request& r, MethodParams& params) {
304: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 305:
1.111 paf 306: const String& name=params.as_string(0, "name must be string");
1.16 parser 307:
1.54 paf 308: GdomeException exc;
309: GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference(
1.111 paf 310: vdoc.get_document(),
311: r.transcode(name).use(),
1.54 paf 312: &exc);
1.111 paf 313: writeNode(r, node, exc);
1.16 parser 314: }
315:
1.99 paf 316: // NodeList getElementsByTagName(in DOMString name);
1.111 paf 317: static void _getElementsByTagName(Request& r, MethodParams& params) {
318: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.99 paf 319:
1.111 paf 320: const String& name=params.as_string(0, "name must be string");
1.99 paf 321:
1.111 paf 322: VHash& result=*new VHash;
1.99 paf 323: GdomeException exc;
324: if(GdomeNodeList *nodes=
325: gdome_doc_getElementsByTagName(
1.111 paf 326: vdoc.get_document(),
327: r.transcode(name).use(),
1.99 paf 328: &exc)) {
329: gulong length=gdome_nl_length(nodes, &exc);
1.111 paf 330: for(gulong i=0; i<length; i++)
331: result.hash().put(
1.114 paf 332: String::Body::Format(i),
1.111 paf 333: new VXnode(&r.charsets, gdome_nl_item(nodes, i, &exc)));
1.99 paf 334: } else if(exc)
1.111 paf 335: throw Exception(0, exc);
1.99 paf 336:
337: // write out result
338: r.write_no_lang(result);
339: }
340:
1.111 paf 341: static void _getElementsByTagNameNS(Request& r, MethodParams& params) {
342: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.99 paf 343:
344: // namespaceURI;localName
1.111 paf 345: const String& namespaceURI=params.as_string(0, "namespaceURI must be string");
346: const String& localName=params.as_string(1, "localName must be string");
1.99 paf 347:
348: GdomeException exc;
1.111 paf 349: VHash& result=*new VHash;
1.99 paf 350: if(GdomeNodeList *nodes=
351: gdome_doc_getElementsByTagNameNS(
1.111 paf 352: vdoc.get_document(),
353: r.transcode(namespaceURI).use(),
354: r.transcode(localName).use(),
1.99 paf 355: &exc)) {
356: gulong length=gdome_nl_length(nodes, &exc);
1.111 paf 357: for(gulong i=0; i<length; i++)
358: result.hash().put(
1.114 paf 359: String::Body::Format(i),
1.111 paf 360: new VXnode(&r.charsets, gdome_nl_item(nodes, i, &exc)));
1.99 paf 361: }
362:
363: // write out result
364: r.write_no_lang(result);
365: }
366:
1.111 paf 367: static void _getElementById(Request& r, MethodParams& params) {
368: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.16 parser 369:
1.54 paf 370: // elementId
1.111 paf 371: const String& elementId=params.as_string(0, "elementID must be string");
1.1 parser 372:
1.54 paf 373: GdomeException exc;
374: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
1.111 paf 375: vdoc.get_document(),
376: r.transcode(elementId).use(),
1.54 paf 377: &exc)) {
378: // write out result
1.111 paf 379: r.write_no_lang(*new VXnode(&r.charsets, node));
1.66 paf 380: } else if(exc || xmlHaveGenericErrors())
1.87 paf 381: throw Exception(
1.111 paf 382: &elementId,
1.54 paf 383: exc);
384: }
1.79 paf 385:
1.111 paf 386: static void _importNode(Request& r, MethodParams& params) {
387: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.79 paf 388:
389: GdomeNode *importedNode=
1.111 paf 390: as_node(params, 0, "importedNode must be node");
1.79 paf 391: bool deep=
1.111 paf 392: params.as_bool(1, "deep must be bool", r);
1.79 paf 393:
394: GdomeException exc;
1.111 paf 395: GdomeNode *outputNode=gdome_doc_importNode(vdoc.get_document(),
1.79 paf 396: importedNode,
397: deep, &exc);
398: if(exc)
1.111 paf 399: throw Exception(0, exc);
1.79 paf 400:
401: // write out result
1.111 paf 402: r.write_no_lang(*new VXnode(&r.charsets, outputNode));
1.79 paf 403: }
1.54 paf 404: /*
405: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
406: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
407: */
1.1 parser 408:
1.111 paf 409: static void _create(Request& r, MethodParams& params) {
410: Charset& source_charset=r.charsets.source();
411: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.1 parser 412:
1.111 paf 413: Value& param=params[params.count()-1];
1.83 paf 414: GdomeDocument *document;
1.111 paf 415: bool set_encoding=false;
1.95 paf 416: if(param.get_junction()) { // {<?xml?>...}
1.111 paf 417: Temp_lang temp_lang(r, String::L_XML);
1.91 paf 418: const String& xml=r.process_to_string(param);
1.83 paf 419:
1.111 paf 420: const char* cstr=xml.cstr(String::L_UNSPECIFIED);
1.83 paf 421: document=(GdomeDocument *)
422: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
423: cstr, strlen(cstr)
424: ));
1.111 paf 425: //printf("document=0x%p\n", document);
1.83 paf 426: if(!document || xmlHaveGenericErrors()) {
427: GdomeException exc=0;
1.111 paf 428: throw Exception(0, exc);
1.83 paf 429: }
1.111 paf 430:
431: // must be last action in if, see after if}
1.83 paf 432: } else { // [name]
433: const String& qualifiedName=param.as_string();
1.1 parser 434:
1.83 paf 435: GdomeException exc;
436: /*
437: GdomeDocumentType *documentType=gdome_di_createDocumentType (
438: docimpl,
1.111 paf 439: r.transcode(qualifiedName),
1.83 paf 440: 0/*publicId* /,
441: 0/*systemId* /,
442: &exc);
443: if(!documentType || exc || xmlHaveGenericErrors())
1.87 paf 444: throw Exception(
1.111 paf 445: method_name,
1.83 paf 446: exc);
1.111 paf 447: /// +xalan createXMLDecl ?
1.83 paf 448: */
449: document=gdome_di_createDocument (domimpl,
450: 0/*namespaceURI*/,
1.111 paf 451: r.transcode(qualifiedName).use(),
1.83 paf 452: 0/*doctype*/,
453: &exc);
454: if(!document || exc || xmlHaveGenericErrors())
1.111 paf 455: throw Exception(0, exc);
1.103 paf 456:
1.111 paf 457: set_encoding=true;
458: // must be last action in if, see after if}
459: }
460: // must be first action after if}
461: // replace any previous parsed source
462: {
463: vdoc.set_document(&r.charsets, document);
464: GdomeException exc;
465: gdome_doc_unref(document, &exc);
1.73 paf 466: }
1.95 paf 467:
468: // URI
1.111 paf 469: const char* URI_cstr;
470: const char* URI_cstr_ptr;
471: if(params.count()>1) { // absolute(param)
472: const String& URI=params.as_string(0, "URI must be string");
473: URI_cstr=URI_cstr_ptr=r.absolute(URI).cstr();
1.95 paf 474: } else // default = disk path to requested document
1.111 paf 475: URI_cstr=r.request_info.path_translated;
1.95 paf 476: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
477: if(URI_cstr)
1.111 paf 478: doc->URL=source_charset.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
1.95 paf 479:
1.111 paf 480: if(set_encoding) {
481: const char* source_charset_name=source_charset.NAME().cstr();
482: doc->encoding=source_charset.transcode_buf2xchar(source_charset_name, strlen(source_charset_name));
483: }
1.9 parser 484: }
485:
1.111 paf 486: static void _load(Request& r, MethodParams& params) {
487: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.9 parser 488:
1.54 paf 489: // filespec
1.111 paf 490: const String& file_name=params.as_string(0, "uri must be string");
1.54 paf 491: const String& uri=r.absolute(file_name);
1.105 paf 492:
1.111 paf 493: File_read_result file=file_read(r.charsets, uri, false/*not text*/,
494: params.count()>1?params.as_no_junction(1, "additional params must be hash")
495: .get_hash()
1.105 paf 496: :0);
497:
1.73 paf 498: GdomeDocument *document=(GdomeDocument *)
1.111 paf 499: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(file.str, file.length));
1.73 paf 500: if(!document || xmlHaveGenericErrors()) {
501: GdomeException exc=0;
1.111 paf 502: throw Exception(&uri, exc);
503: }
504: // must be first action after if}
505: // replace any previous parsed source
506: {
507: vdoc.set_document(&r.charsets, document);
508: GdomeException exc;
509: gdome_doc_unref(document, &exc);
1.73 paf 510: }
1.111 paf 511:
512: const char* URI_cstr=uri.cstr();
1.107 paf 513: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
514: if(URI_cstr)
1.111 paf 515: doc->URL=r.charsets.source().transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
1.9 parser 516:
517: }
518:
1.111 paf 519: static void param_option_over_output_option(
520: HashStringValue& param_options, const char* option_name,
521: const String*& output_option) {
1.114 paf 522: if(Value* value=param_options.get(String::Body(option_name)))
1.61 paf 523: output_option=&value->as_string();
1.46 paf 524: }
1.111 paf 525: static void param_option_over_output_option(
526: HashStringValue& param_options, const char* option_name,
527: bool& output_option) {
1.114 paf 528: if(Value* value=param_options.get(String::Body(option_name))) {
1.46 paf 529: const String& s=value->as_string();
530: if(s=="yes")
531: output_option=true;
532: else if(s=="no")
533: output_option=false;
534: else
1.87 paf 535: throw Exception("parser.runtime",
1.46 paf 536: &s,
537: "%s must be either 'yes' or 'no'", option_name);
538: }
539: }
540:
1.100 paf 541: /// @test valid_options check
1.111 paf 542: static void prepare_output_options(Request& r,
543: MethodParams& params, size_t index,
544: VXdoc::Output_options& oo) {
1.46 paf 545: /*
546: <xsl:output
547: !method = "xml" | "html" | "text" | qname-but-not-ncname
548: !version = nmtoken
549: !encoding = string
550: !omit-xml-declaration = "yes" | "no"
551: !standalone = "yes" | "no"
552: !doctype-public = string
553: !doctype-system = string
554: cdata-section-elements = qnames
555: !indent = "yes" | "no"
556: !media-type = string />
1.61 paf 557: */
1.1 parser 558:
1.46 paf 559: // configuring with options from parameter...
1.111 paf 560: if(params.count()>index) {
561: Value& voptions=params.as_no_junction(index, "options must be string");
1.1 parser 562: if(voptions.is_defined()) {
1.111 paf 563: if(HashStringValue *options=voptions.get_hash()) {
1.1 parser 564: // $.method[xml|html|text]
1.114 paf 565: if(Value* vmethod=options->get(String::Body(XDOC_OUTPUT_METHOD_OPTION_NAME)))
1.61 paf 566: oo.method=&vmethod->as_string();
1.1 parser 567:
1.46 paf 568: // $.version[1.0]
1.111 paf 569: param_option_over_output_option(*options, "version", oo.version);
1.1 parser 570: // $.encoding[windows-1251|...]
1.111 paf 571: param_option_over_output_option(*options, "encoding", oo.encoding);
1.46 paf 572: // $.omit-xml-declaration[yes|no]
1.111 paf 573: param_option_over_output_option(*options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 574: // $.standalone[yes|no]
1.111 paf 575: param_option_over_output_option(*options, "standalone", oo.standalone);
1.46 paf 576: // $.doctype-public[?]
1.111 paf 577: param_option_over_output_option(*options, "doctype-public", oo.doctypePublic);
1.46 paf 578: // $.doctype-system[?]
1.111 paf 579: param_option_over_output_option(*options, "doctype-system", oo.doctypeSystem);
1.46 paf 580: // $.indent[yes|no]
1.111 paf 581: param_option_over_output_option(*options, "indent", oo.indent);
1.46 paf 582: // $.media-type[text/{html|xml|plain}]
1.111 paf 583: param_option_over_output_option(*options, "media-type", oo.mediaType);
1.19 parser 584: }
1.1 parser 585: }
586: }
587:
1.46 paf 588: // default encoding from pool
1.61 paf 589: if(!oo.encoding)
1.111 paf 590: oo.encoding=new String(r.charsets.source().NAME(), String::L_TAINTED);
1.46 paf 591: // default method=xml
592: if(!oo.method)
1.111 paf 593: oo.method=new String(XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
1.61 paf 594: // default mediaType = depending on method
595: if(!oo.mediaType) {
596: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
1.111 paf 597: oo.mediaType=new String("text/xml");
1.61 paf 598: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
1.111 paf 599: oo.mediaType=new String("text/html");
1.61 paf 600: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
1.111 paf 601: oo.mediaType=new String("text/plain");
1.61 paf 602: }
603: }
1.46 paf 604:
1.111 paf 605: struct Xdoc2buf_result {
606: char* str;
607: size_t length;
608: };
609: static Xdoc2buf_result xdoc2buf(Request& r, VXdoc& vdoc,
610: MethodParams& params, int index,
1.63 paf 611: VXdoc::Output_options& oo,
1.111 paf 612: const String* file_spec) {
613: Xdoc2buf_result result;
614: prepare_output_options(r, params, index,
1.61 paf 615: oo);
616:
1.111 paf 617: const char* encoding_cstr=oo.encoding->cstr();
1.63 paf 618: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
619: if(!encoder)
1.87 paf 620: throw Exception("parser.runtime",
1.111 paf 621: 0,
1.63 paf 622: "encoding '%s' not supported", encoding_cstr);
1.61 paf 623: // UTF-8 encoder contains empty input/output converters,
624: // which is wrong for xmlOutputBufferCreateIO
625: // while zero encoder goes perfectly
626: if(encoder && strcmp(encoder->name, "UTF-8")==0)
627: encoder=0;
628:
1.62 paf 629: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 630:
1.65 paf 631: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
632: if(!stylesheet.get())
1.87 paf 633: throw Exception(0,
1.111 paf 634: 0,
1.61 paf 635: "xsltNewStylesheet failed");
636:
1.62 paf 637: #define OOS2STYLE(name) \
1.111 paf 638: stylesheet->name=oo.name?BAD_CAST xmlMemStrdup(r.transcode(*oo.name)->str):0
1.62 paf 639: #define OOE2STYLE(name) \
640: stylesheet->name=oo.name
1.61 paf 641:
1.62 paf 642: OOS2STYLE(method);
643: OOS2STYLE(encoding);
644: OOS2STYLE(mediaType);
645: OOS2STYLE(doctypeSystem);
646: OOS2STYLE(doctypePublic);
647: OOE2STYLE(indent);
648: OOS2STYLE(version);
649: OOE2STYLE(standalone);
650: OOE2STYLE(omitXmlDeclaration);
1.61 paf 651:
1.111 paf 652: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document());
1.81 paf 653: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 654: GdomeException exc=0;
1.111 paf 655: throw Exception(0, exc);
1.75 paf 656: }
1.61 paf 657:
1.54 paf 658: // write out result
1.111 paf 659: char *gnome_str; size_t gnome_length;
1.63 paf 660: if(outputBuffer->conv) {
1.111 paf 661: gnome_length=outputBuffer->conv->use;
662: gnome_str=(char *)outputBuffer->conv->content;
1.63 paf 663: } else {
1.111 paf 664: gnome_length=outputBuffer->buffer->use;
665: gnome_str=(char *)outputBuffer->buffer->content;
1.63 paf 666: }
1.111 paf 667:
1.63 paf 668: if(file_spec)
1.111 paf 669: file_write(*file_spec,
670: gnome_str, gnome_length,
671: true/*as_text*/);
672: else if(result.length=gnome_length) {
673: result.str=pa_strdup(gnome_str, gnome_length);
1.74 paf 674: } else
1.111 paf 675: result.str=0;
676:
677: return result;
1.1 parser 678: }
679:
1.111 paf 680: static void _file(Request& r, MethodParams& params) {
681: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 682: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 683: Xdoc2buf_result buf=xdoc2buf(r, vdoc, params, 0,
1.63 paf 684: oo,
1.111 paf 685: 0/*not to file, to memory*/);
1.63 paf 686: // write out result
1.111 paf 687: r.write_no_lang(String(buf.str, buf.length));
1.1 parser 688:
1.58 paf 689: // write out result
1.111 paf 690: VFile& vfile=*new VFile;
691: VHash& vhcontent_type=*new VHash;
692: vhcontent_type.hash().put(
693: value_name,
694: new VString(*oo.mediaType));
695: vhcontent_type.hash().put(
1.114 paf 696: String::Body("charset"),
1.111 paf 697: new VString(*oo.encoding));
698:
699: vfile.set(false/*tainted*/, buf.str?buf.str:""/*to distinguish from stat-ed file*/, buf.length,
700: 0/*file_name*/, &vhcontent_type);
1.58 paf 701: r.write_no_lang(vfile);
1.63 paf 702: }
703:
1.111 paf 704: static void _save(Request& r, MethodParams& params) {
705: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 706:
1.111 paf 707: const String& file_spec=r.absolute(params.as_string(0, "file name must be string"));
1.63 paf 708:
709: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 710: xdoc2buf(r, vdoc, params, 1,
1.63 paf 711: oo,
1.111 paf 712: &file_spec);
1.63 paf 713: }
714:
1.111 paf 715: static void _string(Request& r, MethodParams& params) {
716: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 717: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 718: Xdoc2buf_result buf=xdoc2buf(r, vdoc, params, 0,
1.63 paf 719: oo,
1.111 paf 720: 0/*not to file, to memory*/);
1.63 paf 721: // write out result
1.111 paf 722: r.write_no_lang(String(buf.str, buf.length));
1.1 parser 723: }
1.58 paf 724:
1.111 paf 725: #ifndef DOXYGEN
726: struct Add_xslt_param_info {
727: Request* r;
728: Array<GdomeDOMString_auto_ptr>* strings;
729: const char** current_transform_param;
730: };
731: #endif
732: static void add_xslt_param(
733: HashStringValue::key_type attribute,
734: HashStringValue::value_type meaning,
735: Add_xslt_param_info* info) {
736: GdomeDOMString_auto_ptr s;
737: *info->current_transform_param++=(s=info->r->transcode(attribute))->str; *info->strings+=s;
738: *info->current_transform_param++=(s=info->r->transcode(meaning->as_string()))->str; *info->strings+=s;
739: }
740: static VXdoc& _transform(Request& r, const String* stylesheet_source,
741: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char** transform_params) {
742: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document());
1.65 paf 743: xsltTransformContext_auto_ptr transformContext(
744: xsltNewTransformContext(stylesheet, document));
1.90 paf 745: // make params literal
1.111 paf 746: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
1.90 paf 747: transformContext->globalVars = xmlHashCreate(20);
748: xsltQuoteUserParams(transformContext.get(), transform_params);
749: // do transform
1.59 paf 750: xmlDoc *transformed=xsltApplyStylesheetUser(
751: stylesheet,
752: document,
1.90 paf 753: 0/*already quoted-inserted transform_params*/,
1.111 paf 754: 0/*const char* output*/,
1.59 paf 755: 0/*FILE *profile*/,
1.65 paf 756: transformContext.get());
1.66 paf 757: if(!transformed || xmlHaveGenericErrors()) {
758: GdomeException exc=0;
1.111 paf 759: throw Exception(stylesheet_source, exc);
1.66 paf 760: }
1.42 paf 761:
1.61 paf 762: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
763: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 764: // constructing result
765: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
766: if(!gdomeDocument)
1.87 paf 767: throw Exception(0,
1.111 paf 768: 0,
1.59 paf 769: "gdome_xml_doc_mkref failed");
1.111 paf 770: VXdoc& result=*new VXdoc(&r.charsets, gdomeDocument);
1.61 paf 771: /* grabbing options
772:
773: <xsl:output
774: !method = "xml" | "html" | "text"
775: X| qname-but-not-ncname
776: !version = nmtoken
777: !encoding = string
778: !omit-xml-declaration = "yes" | "no"
779: !standalone = "yes" | "no"
780: !doctype-public = string
781: !doctype-system = string
782: Xcdata-section-elements = qnames
783: !indent = "yes" | "no"
784: !media-type = string />
1.59 paf 785: */
786: VXdoc::Output_options& oo=result.output_options;
787:
1.111 paf 788: oo.method=stylesheet->method?&r.transcode(stylesheet->method):0;
789: oo.encoding=stylesheet->encoding?&r.transcode(stylesheet->encoding):0;
790: oo.mediaType=stylesheet->mediaType?&r.transcode(stylesheet->mediaType):0;
791: oo.doctypeSystem=stylesheet->doctypeSystem?&r.transcode(stylesheet->doctypeSystem):0;
792: oo.doctypePublic=stylesheet->doctypePublic?&r.transcode(stylesheet->doctypePublic):0;
1.59 paf 793: oo.indent=stylesheet->indent!=0;
1.111 paf 794: oo.version=stylesheet->version?&r.transcode(stylesheet->version):0;
1.59 paf 795: oo.standalone=stylesheet->standalone!=0;
796: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
797:
1.93 paf 798: // return
799: return result;
800: }
1.111 paf 801: static void _transform(Request& r, MethodParams& params) {
802: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.93 paf 803:
804: // params
1.111 paf 805: Array<GdomeDOMString_auto_ptr> transform_strings;
806: const char** transform_params=0;
807: if(params.count()>1) {
808: Value& vparams=params.as_no_junction(1, "transform parameters must be hash");
1.106 paf 809: if(!vparams.is_string())
1.111 paf 810: if(HashStringValue* hash=vparams.get_hash()) {
811: transform_params=new(UseGC) const char*[hash->count()*2+1];
812: Add_xslt_param_info info={
813: &r,
814: &transform_strings,
815: transform_params
816: };
817: hash->for_each(add_xslt_param, &info);
818: transform_params[hash->count()*2]=0;
1.93 paf 819: } else
820: throw Exception("parser.runtime",
1.111 paf 821: 0,
1.93 paf 822: "transform parameters parameter must be hash");
823: }
824:
1.111 paf 825: VXdoc* result;
826: if(Value *vxdoc=params[0].as(VXDOC_TYPE, false)) { // stylesheet (xdoc)
1.93 paf 827: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
1.111 paf 828: static_cast<VXdoc *>(vxdoc)->get_document());
1.93 paf 829: // compile xdoc stylesheet
1.94 paf 830: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
831: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
832: // we don't need that
833: stylesheet_ptr->doc=0;
1.93 paf 834: if(xmlHaveGenericErrors()) {
835: GdomeException exc=0;
1.111 paf 836: throw Exception(0, exc);
1.93 paf 837: }
838: if(!stylesheet_ptr.get())
839: throw Exception("xml",
1.111 paf 840: 0,
1.93 paf 841: "stylesheet failed to compile");
842:
843: // transform!
1.111 paf 844: result=&_transform(r, 0,
1.93 paf 845: vdoc, stylesheet_ptr.get(),
846: transform_params);
847: } else { // stylesheet (file name)
848: // extablish stylesheet connection
849: const String& stylesheet_filespec=
1.111 paf 850: r.absolute(params.as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
851: Stylesheet_connection_ptr connection=stylesheet_manager.get_connection(stylesheet_filespec);
1.93 paf 852:
853: // load and compile file to stylesheet [or get cached if any]
854: // transform!
1.111 paf 855: result=&_transform(r, &stylesheet_filespec,
1.93 paf 856: vdoc, connection->stylesheet(false/*nocache*/),
857: transform_params);
858: }
859:
1.59 paf 860: // write out result
1.93 paf 861: r.write_no_lang(*result);
1.1 parser 862: }
863:
1.16 parser 864: // constructor
1.2 parser 865:
1.92 paf 866: /// @test how to create empty type html?
1.111 paf 867: MXdoc::MXdoc(): MXnode(XDOC_CLASS_NAME, xnode_class) {
1.16 parser 868: /// DOM1
1.2 parser 869:
1.16 parser 870: // Element createElement(in DOMString tagName) raises(DOMException);
871: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
872: // DocumentFragment createDocumentFragment();
873: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
874: // Text createTextNode(in DOMString data);
875: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
876: // Comment createComment(in DOMString data);
877: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
878: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
879: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
880: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
881: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
882: // Attr createAttribute(in DOMString name) raises(DOMException);
883: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
884: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
885: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.99 paf 886: // NodeList getElementsByTagName(in DOMString name);
887: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
1.2 parser 888:
1.79 paf 889: /// DOM2
1.2 parser 890:
1.16 parser 891: // ^xdoc.getElementById[elementId]
892: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 893:
894: // Node (in Node importedNode, in boolean deep) raises(DOMException)
895: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.112 paf 896:
1.113 paf 897: // Attr createAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 898: add_native_method("createAttributeNS", Method::CT_DYNAMIC, _createAttributeNS, 2, 2);
899:
1.113 paf 900: // Element createElementNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 901: add_native_method("createElementNS", Method::CT_DYNAMIC, _createElementNS, 2, 2);
1.99 paf 902:
903: // NodeList getElementsByTagNameNS(in DOMString namespaceURI, in DOMString localName);
904: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.1 parser 905:
1.16 parser 906: /// parser
907:
1.54 paf 908: // ^xdoc::create{qualifiedName}
1.95 paf 909: // ^xdoc::create[<some>xml</some>]
910: // ^xdoc::create[URI][<some>xml</some>]
911: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 912: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
913: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 914:
915: // ^xdoc::load[some.xml]
1.105 paf 916: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2);
1.54 paf 917:
1.2 parser 918: // ^xdoc.save[some.xml]
919: // ^xdoc.save[some.xml;options hash]
1.1 parser 920: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
921:
1.2 parser 922: // ^xdoc.string[] <doc/>
923: // ^xdoc.string[options hash] <doc/>
1.1 parser 924: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
925:
1.2 parser 926: // ^xdoc.file[] file with "<doc/>"
927: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 928: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 929:
1.98 paf 930: // ^xdoc.transform[stylesheet file_name/xdoc]
931: // ^xdoc.transform[stylesheet file_name/xdoc;params hash]
1.59 paf 932: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 933:
1.1 parser 934: }
1.5 parser 935:
936: void MXdoc::configure_admin(Request& r) {
937: }
938:
1.111 paf 939: # else
940:
941: #include "classes.h"
942:
1.1 parser 943: // global variable
944:
1.111 paf 945: DECLARE_CLASS_VAR(xdoc, 0, 0); // fictive
1.1 parser 946:
947: #endif
948:
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to xdoc.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / classes