Annotation of parser3/src/classes/xdoc.C, revision 1.116
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:
1.116 ! paf 12: static const char* IDENT_XDOC_C="$Date: 2003/11/06 08:22:48 $";
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)
1.116 ! paf 335: throw XmlException(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())
1.116 ! paf 381: throw XmlException(&elementId, exc);
1.54 paf 382: }
1.79 paf 383:
1.111 paf 384: static void _importNode(Request& r, MethodParams& params) {
385: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.79 paf 386:
387: GdomeNode *importedNode=
1.111 paf 388: as_node(params, 0, "importedNode must be node");
1.79 paf 389: bool deep=
1.111 paf 390: params.as_bool(1, "deep must be bool", r);
1.79 paf 391:
392: GdomeException exc;
1.111 paf 393: GdomeNode *outputNode=gdome_doc_importNode(vdoc.get_document(),
1.79 paf 394: importedNode,
395: deep, &exc);
396: if(exc)
1.116 ! paf 397: throw XmlException(0, exc);
1.79 paf 398:
399: // write out result
1.111 paf 400: r.write_no_lang(*new VXnode(&r.charsets, outputNode));
1.79 paf 401: }
1.54 paf 402: /*
403: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
404: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
405: */
1.1 parser 406:
1.111 paf 407: static void _create(Request& r, MethodParams& params) {
408: Charset& source_charset=r.charsets.source();
409: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.1 parser 410:
1.111 paf 411: Value& param=params[params.count()-1];
1.83 paf 412: GdomeDocument *document;
1.111 paf 413: bool set_encoding=false;
1.95 paf 414: if(param.get_junction()) { // {<?xml?>...}
1.111 paf 415: Temp_lang temp_lang(r, String::L_XML);
1.91 paf 416: const String& xml=r.process_to_string(param);
1.83 paf 417:
1.111 paf 418: const char* cstr=xml.cstr(String::L_UNSPECIFIED);
1.83 paf 419: document=(GdomeDocument *)
420: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
421: cstr, strlen(cstr)
422: ));
1.111 paf 423: //printf("document=0x%p\n", document);
1.83 paf 424: if(!document || xmlHaveGenericErrors()) {
425: GdomeException exc=0;
1.116 ! paf 426: throw XmlException(0, exc);
1.83 paf 427: }
1.111 paf 428:
429: // must be last action in if, see after if}
1.83 paf 430: } else { // [name]
431: const String& qualifiedName=param.as_string();
1.1 parser 432:
1.83 paf 433: GdomeException exc;
434: /*
435: GdomeDocumentType *documentType=gdome_di_createDocumentType (
436: docimpl,
1.111 paf 437: r.transcode(qualifiedName),
1.83 paf 438: 0/*publicId* /,
439: 0/*systemId* /,
440: &exc);
441: if(!documentType || exc || xmlHaveGenericErrors())
1.87 paf 442: throw Exception(
1.111 paf 443: method_name,
1.83 paf 444: exc);
1.111 paf 445: /// +xalan createXMLDecl ?
1.83 paf 446: */
447: document=gdome_di_createDocument (domimpl,
448: 0/*namespaceURI*/,
1.111 paf 449: r.transcode(qualifiedName).use(),
1.83 paf 450: 0/*doctype*/,
451: &exc);
452: if(!document || exc || xmlHaveGenericErrors())
1.116 ! paf 453: throw XmlException(0, exc);
1.103 paf 454:
1.111 paf 455: set_encoding=true;
456: // must be last action in if, see after if}
457: }
458: // must be first action after if}
459: // replace any previous parsed source
460: {
461: vdoc.set_document(&r.charsets, document);
462: GdomeException exc;
463: gdome_doc_unref(document, &exc);
1.73 paf 464: }
1.95 paf 465:
466: // URI
1.111 paf 467: const char* URI_cstr;
468: const char* URI_cstr_ptr;
469: if(params.count()>1) { // absolute(param)
470: const String& URI=params.as_string(0, "URI must be string");
471: URI_cstr=URI_cstr_ptr=r.absolute(URI).cstr();
1.95 paf 472: } else // default = disk path to requested document
1.111 paf 473: URI_cstr=r.request_info.path_translated;
1.95 paf 474: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
475: if(URI_cstr)
1.111 paf 476: doc->URL=source_charset.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
1.95 paf 477:
1.111 paf 478: if(set_encoding) {
479: const char* source_charset_name=source_charset.NAME().cstr();
480: doc->encoding=source_charset.transcode_buf2xchar(source_charset_name, strlen(source_charset_name));
481: }
1.9 parser 482: }
483:
1.111 paf 484: static void _load(Request& r, MethodParams& params) {
485: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.9 parser 486:
1.54 paf 487: // filespec
1.111 paf 488: const String& file_name=params.as_string(0, "uri must be string");
1.54 paf 489: const String& uri=r.absolute(file_name);
1.105 paf 490:
1.111 paf 491: File_read_result file=file_read(r.charsets, uri, false/*not text*/,
492: params.count()>1?params.as_no_junction(1, "additional params must be hash")
493: .get_hash()
1.105 paf 494: :0);
495:
1.73 paf 496: GdomeDocument *document=(GdomeDocument *)
1.111 paf 497: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(file.str, file.length));
1.73 paf 498: if(!document || xmlHaveGenericErrors()) {
499: GdomeException exc=0;
1.116 ! paf 500: throw XmlException(&uri, exc);
1.111 paf 501: }
502: // must be first action after if}
503: // replace any previous parsed source
504: {
505: vdoc.set_document(&r.charsets, document);
506: GdomeException exc;
507: gdome_doc_unref(document, &exc);
1.73 paf 508: }
1.111 paf 509:
510: const char* URI_cstr=uri.cstr();
1.107 paf 511: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
512: if(URI_cstr)
1.111 paf 513: doc->URL=r.charsets.source().transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
1.9 parser 514:
515: }
516:
1.111 paf 517: static void param_option_over_output_option(
518: HashStringValue& param_options, const char* option_name,
519: const String*& output_option) {
1.114 paf 520: if(Value* value=param_options.get(String::Body(option_name)))
1.61 paf 521: output_option=&value->as_string();
1.46 paf 522: }
1.111 paf 523: static void param_option_over_output_option(
524: HashStringValue& param_options, const char* option_name,
525: bool& output_option) {
1.114 paf 526: if(Value* value=param_options.get(String::Body(option_name))) {
1.46 paf 527: const String& s=value->as_string();
528: if(s=="yes")
529: output_option=true;
530: else if(s=="no")
531: output_option=false;
532: else
1.87 paf 533: throw Exception("parser.runtime",
1.46 paf 534: &s,
535: "%s must be either 'yes' or 'no'", option_name);
536: }
537: }
538:
1.100 paf 539: /// @test valid_options check
1.111 paf 540: static void prepare_output_options(Request& r,
541: MethodParams& params, size_t index,
542: VXdoc::Output_options& oo) {
1.46 paf 543: /*
544: <xsl:output
545: !method = "xml" | "html" | "text" | qname-but-not-ncname
546: !version = nmtoken
547: !encoding = string
548: !omit-xml-declaration = "yes" | "no"
549: !standalone = "yes" | "no"
550: !doctype-public = string
551: !doctype-system = string
552: cdata-section-elements = qnames
553: !indent = "yes" | "no"
554: !media-type = string />
1.61 paf 555: */
1.1 parser 556:
1.46 paf 557: // configuring with options from parameter...
1.111 paf 558: if(params.count()>index) {
559: Value& voptions=params.as_no_junction(index, "options must be string");
1.1 parser 560: if(voptions.is_defined()) {
1.111 paf 561: if(HashStringValue *options=voptions.get_hash()) {
1.1 parser 562: // $.method[xml|html|text]
1.114 paf 563: if(Value* vmethod=options->get(String::Body(XDOC_OUTPUT_METHOD_OPTION_NAME)))
1.61 paf 564: oo.method=&vmethod->as_string();
1.1 parser 565:
1.46 paf 566: // $.version[1.0]
1.111 paf 567: param_option_over_output_option(*options, "version", oo.version);
1.1 parser 568: // $.encoding[windows-1251|...]
1.111 paf 569: param_option_over_output_option(*options, "encoding", oo.encoding);
1.46 paf 570: // $.omit-xml-declaration[yes|no]
1.111 paf 571: param_option_over_output_option(*options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 572: // $.standalone[yes|no]
1.111 paf 573: param_option_over_output_option(*options, "standalone", oo.standalone);
1.46 paf 574: // $.doctype-public[?]
1.111 paf 575: param_option_over_output_option(*options, "doctype-public", oo.doctypePublic);
1.46 paf 576: // $.doctype-system[?]
1.111 paf 577: param_option_over_output_option(*options, "doctype-system", oo.doctypeSystem);
1.46 paf 578: // $.indent[yes|no]
1.111 paf 579: param_option_over_output_option(*options, "indent", oo.indent);
1.46 paf 580: // $.media-type[text/{html|xml|plain}]
1.111 paf 581: param_option_over_output_option(*options, "media-type", oo.mediaType);
1.19 parser 582: }
1.1 parser 583: }
584: }
585:
1.46 paf 586: // default encoding from pool
1.61 paf 587: if(!oo.encoding)
1.111 paf 588: oo.encoding=new String(r.charsets.source().NAME(), String::L_TAINTED);
1.46 paf 589: // default method=xml
590: if(!oo.method)
1.111 paf 591: oo.method=new String(XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
1.61 paf 592: // default mediaType = depending on method
593: if(!oo.mediaType) {
594: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
1.111 paf 595: oo.mediaType=new String("text/xml");
1.61 paf 596: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
1.111 paf 597: oo.mediaType=new String("text/html");
1.61 paf 598: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
1.111 paf 599: oo.mediaType=new String("text/plain");
1.61 paf 600: }
601: }
1.46 paf 602:
1.111 paf 603: struct Xdoc2buf_result {
604: char* str;
605: size_t length;
606: };
607: static Xdoc2buf_result xdoc2buf(Request& r, VXdoc& vdoc,
608: MethodParams& params, int index,
1.63 paf 609: VXdoc::Output_options& oo,
1.111 paf 610: const String* file_spec) {
611: Xdoc2buf_result result;
612: prepare_output_options(r, params, index,
1.61 paf 613: oo);
614:
1.111 paf 615: const char* encoding_cstr=oo.encoding->cstr();
1.63 paf 616: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
617: if(!encoder)
1.87 paf 618: throw Exception("parser.runtime",
1.111 paf 619: 0,
1.63 paf 620: "encoding '%s' not supported", encoding_cstr);
1.61 paf 621: // UTF-8 encoder contains empty input/output converters,
622: // which is wrong for xmlOutputBufferCreateIO
623: // while zero encoder goes perfectly
624: if(encoder && strcmp(encoder->name, "UTF-8")==0)
625: encoder=0;
626:
1.62 paf 627: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 628:
1.65 paf 629: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
630: if(!stylesheet.get())
1.87 paf 631: throw Exception(0,
1.111 paf 632: 0,
1.61 paf 633: "xsltNewStylesheet failed");
634:
1.62 paf 635: #define OOS2STYLE(name) \
1.111 paf 636: stylesheet->name=oo.name?BAD_CAST xmlMemStrdup(r.transcode(*oo.name)->str):0
1.62 paf 637: #define OOE2STYLE(name) \
638: stylesheet->name=oo.name
1.61 paf 639:
1.62 paf 640: OOS2STYLE(method);
641: OOS2STYLE(encoding);
642: OOS2STYLE(mediaType);
643: OOS2STYLE(doctypeSystem);
644: OOS2STYLE(doctypePublic);
645: OOE2STYLE(indent);
646: OOS2STYLE(version);
647: OOE2STYLE(standalone);
648: OOE2STYLE(omitXmlDeclaration);
1.61 paf 649:
1.111 paf 650: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document());
1.81 paf 651: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 652: GdomeException exc=0;
1.116 ! paf 653: throw XmlException(0, exc);
1.75 paf 654: }
1.61 paf 655:
1.54 paf 656: // write out result
1.111 paf 657: char *gnome_str; size_t gnome_length;
1.63 paf 658: if(outputBuffer->conv) {
1.111 paf 659: gnome_length=outputBuffer->conv->use;
660: gnome_str=(char *)outputBuffer->conv->content;
1.63 paf 661: } else {
1.111 paf 662: gnome_length=outputBuffer->buffer->use;
663: gnome_str=(char *)outputBuffer->buffer->content;
1.63 paf 664: }
1.111 paf 665:
1.63 paf 666: if(file_spec)
1.111 paf 667: file_write(*file_spec,
668: gnome_str, gnome_length,
669: true/*as_text*/);
670: else if(result.length=gnome_length) {
671: result.str=pa_strdup(gnome_str, gnome_length);
1.74 paf 672: } else
1.111 paf 673: result.str=0;
674:
675: return result;
1.1 parser 676: }
677:
1.111 paf 678: static void _file(Request& r, MethodParams& params) {
679: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 680: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 681: Xdoc2buf_result buf=xdoc2buf(r, vdoc, params, 0,
1.63 paf 682: oo,
1.111 paf 683: 0/*not to file, to memory*/);
1.63 paf 684: // write out result
1.111 paf 685: r.write_no_lang(String(buf.str, buf.length));
1.1 parser 686:
1.58 paf 687: // write out result
1.111 paf 688: VFile& vfile=*new VFile;
689: VHash& vhcontent_type=*new VHash;
690: vhcontent_type.hash().put(
691: value_name,
692: new VString(*oo.mediaType));
693: vhcontent_type.hash().put(
1.114 paf 694: String::Body("charset"),
1.111 paf 695: new VString(*oo.encoding));
696:
697: vfile.set(false/*tainted*/, buf.str?buf.str:""/*to distinguish from stat-ed file*/, buf.length,
698: 0/*file_name*/, &vhcontent_type);
1.58 paf 699: r.write_no_lang(vfile);
1.63 paf 700: }
701:
1.111 paf 702: static void _save(Request& r, MethodParams& params) {
703: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 704:
1.111 paf 705: const String& file_spec=r.absolute(params.as_string(0, "file name must be string"));
1.63 paf 706:
707: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 708: xdoc2buf(r, vdoc, params, 1,
1.63 paf 709: oo,
1.111 paf 710: &file_spec);
1.63 paf 711: }
712:
1.111 paf 713: static void _string(Request& r, MethodParams& params) {
714: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.63 paf 715: VXdoc::Output_options oo(vdoc.output_options);
1.111 paf 716: Xdoc2buf_result buf=xdoc2buf(r, vdoc, params, 0,
1.63 paf 717: oo,
1.111 paf 718: 0/*not to file, to memory*/);
1.63 paf 719: // write out result
1.111 paf 720: r.write_no_lang(String(buf.str, buf.length));
1.1 parser 721: }
1.58 paf 722:
1.111 paf 723: #ifndef DOXYGEN
724: struct Add_xslt_param_info {
725: Request* r;
726: Array<GdomeDOMString_auto_ptr>* strings;
727: const char** current_transform_param;
728: };
729: #endif
730: static void add_xslt_param(
731: HashStringValue::key_type attribute,
732: HashStringValue::value_type meaning,
733: Add_xslt_param_info* info) {
734: GdomeDOMString_auto_ptr s;
735: *info->current_transform_param++=(s=info->r->transcode(attribute))->str; *info->strings+=s;
736: *info->current_transform_param++=(s=info->r->transcode(meaning->as_string()))->str; *info->strings+=s;
737: }
738: static VXdoc& _transform(Request& r, const String* stylesheet_source,
739: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char** transform_params) {
740: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document());
1.65 paf 741: xsltTransformContext_auto_ptr transformContext(
742: xsltNewTransformContext(stylesheet, document));
1.90 paf 743: // make params literal
1.111 paf 744: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
1.90 paf 745: transformContext->globalVars = xmlHashCreate(20);
746: xsltQuoteUserParams(transformContext.get(), transform_params);
747: // do transform
1.59 paf 748: xmlDoc *transformed=xsltApplyStylesheetUser(
749: stylesheet,
750: document,
1.90 paf 751: 0/*already quoted-inserted transform_params*/,
1.111 paf 752: 0/*const char* output*/,
1.59 paf 753: 0/*FILE *profile*/,
1.65 paf 754: transformContext.get());
1.66 paf 755: if(!transformed || xmlHaveGenericErrors()) {
756: GdomeException exc=0;
1.116 ! paf 757: throw XmlException(stylesheet_source, exc);
1.66 paf 758: }
1.42 paf 759:
1.61 paf 760: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
761: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 762: // constructing result
763: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
764: if(!gdomeDocument)
1.87 paf 765: throw Exception(0,
1.111 paf 766: 0,
1.59 paf 767: "gdome_xml_doc_mkref failed");
1.111 paf 768: VXdoc& result=*new VXdoc(&r.charsets, gdomeDocument);
1.61 paf 769: /* grabbing options
770:
771: <xsl:output
772: !method = "xml" | "html" | "text"
773: X| qname-but-not-ncname
774: !version = nmtoken
775: !encoding = string
776: !omit-xml-declaration = "yes" | "no"
777: !standalone = "yes" | "no"
778: !doctype-public = string
779: !doctype-system = string
780: Xcdata-section-elements = qnames
781: !indent = "yes" | "no"
782: !media-type = string />
1.59 paf 783: */
784: VXdoc::Output_options& oo=result.output_options;
785:
1.111 paf 786: oo.method=stylesheet->method?&r.transcode(stylesheet->method):0;
787: oo.encoding=stylesheet->encoding?&r.transcode(stylesheet->encoding):0;
788: oo.mediaType=stylesheet->mediaType?&r.transcode(stylesheet->mediaType):0;
789: oo.doctypeSystem=stylesheet->doctypeSystem?&r.transcode(stylesheet->doctypeSystem):0;
790: oo.doctypePublic=stylesheet->doctypePublic?&r.transcode(stylesheet->doctypePublic):0;
1.59 paf 791: oo.indent=stylesheet->indent!=0;
1.111 paf 792: oo.version=stylesheet->version?&r.transcode(stylesheet->version):0;
1.59 paf 793: oo.standalone=stylesheet->standalone!=0;
794: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
795:
1.93 paf 796: // return
797: return result;
798: }
1.111 paf 799: static void _transform(Request& r, MethodParams& params) {
800: VXdoc& vdoc=GET_SELF(r, VXdoc);
1.93 paf 801:
802: // params
1.111 paf 803: Array<GdomeDOMString_auto_ptr> transform_strings;
804: const char** transform_params=0;
805: if(params.count()>1) {
806: Value& vparams=params.as_no_junction(1, "transform parameters must be hash");
1.106 paf 807: if(!vparams.is_string())
1.111 paf 808: if(HashStringValue* hash=vparams.get_hash()) {
809: transform_params=new(UseGC) const char*[hash->count()*2+1];
810: Add_xslt_param_info info={
811: &r,
812: &transform_strings,
813: transform_params
814: };
815: hash->for_each(add_xslt_param, &info);
816: transform_params[hash->count()*2]=0;
1.93 paf 817: } else
818: throw Exception("parser.runtime",
1.111 paf 819: 0,
1.93 paf 820: "transform parameters parameter must be hash");
821: }
822:
1.111 paf 823: VXdoc* result;
824: if(Value *vxdoc=params[0].as(VXDOC_TYPE, false)) { // stylesheet (xdoc)
1.93 paf 825: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
1.111 paf 826: static_cast<VXdoc *>(vxdoc)->get_document());
1.93 paf 827: // compile xdoc stylesheet
1.94 paf 828: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
829: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
830: // we don't need that
831: stylesheet_ptr->doc=0;
1.93 paf 832: if(xmlHaveGenericErrors()) {
833: GdomeException exc=0;
1.116 ! paf 834: throw XmlException(0, exc);
1.93 paf 835: }
836: if(!stylesheet_ptr.get())
837: throw Exception("xml",
1.111 paf 838: 0,
1.93 paf 839: "stylesheet failed to compile");
840:
841: // transform!
1.111 paf 842: result=&_transform(r, 0,
1.93 paf 843: vdoc, stylesheet_ptr.get(),
844: transform_params);
845: } else { // stylesheet (file name)
846: // extablish stylesheet connection
847: const String& stylesheet_filespec=
1.111 paf 848: r.absolute(params.as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
849: Stylesheet_connection_ptr connection=stylesheet_manager.get_connection(stylesheet_filespec);
1.93 paf 850:
851: // load and compile file to stylesheet [or get cached if any]
852: // transform!
1.111 paf 853: result=&_transform(r, &stylesheet_filespec,
1.93 paf 854: vdoc, connection->stylesheet(false/*nocache*/),
855: transform_params);
856: }
857:
1.59 paf 858: // write out result
1.93 paf 859: r.write_no_lang(*result);
1.1 parser 860: }
861:
1.16 parser 862: // constructor
1.2 parser 863:
1.92 paf 864: /// @test how to create empty type html?
1.111 paf 865: MXdoc::MXdoc(): MXnode(XDOC_CLASS_NAME, xnode_class) {
1.16 parser 866: /// DOM1
1.2 parser 867:
1.16 parser 868: // Element createElement(in DOMString tagName) raises(DOMException);
869: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
870: // DocumentFragment createDocumentFragment();
871: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
872: // Text createTextNode(in DOMString data);
873: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
874: // Comment createComment(in DOMString data);
875: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
876: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
877: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
878: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
879: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
880: // Attr createAttribute(in DOMString name) raises(DOMException);
881: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
882: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
883: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.99 paf 884: // NodeList getElementsByTagName(in DOMString name);
885: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
1.2 parser 886:
1.79 paf 887: /// DOM2
1.2 parser 888:
1.16 parser 889: // ^xdoc.getElementById[elementId]
890: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 891:
892: // Node (in Node importedNode, in boolean deep) raises(DOMException)
893: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.112 paf 894:
1.113 paf 895: // Attr createAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 896: add_native_method("createAttributeNS", Method::CT_DYNAMIC, _createAttributeNS, 2, 2);
897:
1.113 paf 898: // Element createElementNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException);
1.112 paf 899: add_native_method("createElementNS", Method::CT_DYNAMIC, _createElementNS, 2, 2);
1.99 paf 900:
901: // NodeList getElementsByTagNameNS(in DOMString namespaceURI, in DOMString localName);
902: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.1 parser 903:
1.16 parser 904: /// parser
905:
1.54 paf 906: // ^xdoc::create{qualifiedName}
1.95 paf 907: // ^xdoc::create[<some>xml</some>]
908: // ^xdoc::create[URI][<some>xml</some>]
909: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 910: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
911: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 912:
913: // ^xdoc::load[some.xml]
1.105 paf 914: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2);
1.54 paf 915:
1.2 parser 916: // ^xdoc.save[some.xml]
917: // ^xdoc.save[some.xml;options hash]
1.1 parser 918: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
919:
1.2 parser 920: // ^xdoc.string[] <doc/>
921: // ^xdoc.string[options hash] <doc/>
1.1 parser 922: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
923:
1.2 parser 924: // ^xdoc.file[] file with "<doc/>"
925: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 926: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 927:
1.98 paf 928: // ^xdoc.transform[stylesheet file_name/xdoc]
929: // ^xdoc.transform[stylesheet file_name/xdoc;params hash]
1.59 paf 930: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 931:
1.1 parser 932: }
1.5 parser 933:
934: void MXdoc::configure_admin(Request& r) {
935: }
936:
1.111 paf 937: # else
938:
939: #include "classes.h"
940:
1.1 parser 941: // global variable
942:
1.111 paf 943: DECLARE_CLASS_VAR(xdoc, 0, 0); // fictive
1.1 parser 944:
945: #endif
946:
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