Annotation of parser3/src/classes/xdoc.C, revision 1.96
1.1 parser 1: /** @file
1.2 parser 2: Parser: @b xdoc parser class.
1.1 parser 3:
1.84 paf 4: Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
1.85 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.96 ! paf 6: */
1.1 parser 7:
1.80 paf 8: #include "classes.h"
1.1 parser 9: #ifdef XML
1.96 ! paf 10:
! 11: static const char* IDENT_XDOC_C="$Id: zzz $";
1.1 parser 12:
1.82 paf 13: #include "pa_stylesheet_connection.h"
14: #include "pa_request.h"
15: #include "pa_vxdoc.h"
16: #include "pa_charset.h"
17: #include "pa_vfile.h"
18: #include "xnode.h"
19:
1.69 paf 20: #include "gdome.h"
21: #include "libxml/tree.h"
22: extern "C" {
23: #include "gdomecore/gdome-xml-node.h"
24: #include "gdomecore/gdome-xml-document.h"
25: };
26: #include "libxslt/xsltInternals.h"
27: #include "libxslt/transform.h"
28: #include "libxslt/xsltutils.h"
1.90 paf 29: #include "libxslt/variables.h"
1.59 paf 30:
1.1 parser 31: // defines
32:
33: #define XDOC_CLASS_NAME "xdoc"
34:
35: #define XDOC_OUTPUT_METHOD_OPTION_NAME "method"
36: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml"
37: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html"
38: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text"
39:
40: // class
41:
42: class MXdoc : public MXnode {
43: public: // VStateless_class
1.54 paf 44: Value *create_new_value(Pool& pool) { return new(pool) VXdoc(pool, 0); }
1.1 parser 45:
46: public:
47: MXdoc(Pool& pool);
48:
49: public: // Methoded
1.5 parser 50: void configure_admin(Request& r);
1.1 parser 51: };
52:
1.61 paf 53: // helper classes
54:
55: class xmlOutputBuffer_auto_ptr {
56: public:
1.67 paf 57: explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_APtr = 0)
58: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.61 paf 59: xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y)
60: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
61: xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y)
62: {if (this != &_Y)
63: {if (_Ptr != _Y.get())
64: {if (_Owns && _Ptr)
65: xmlOutputBufferClose(_Ptr);
66: _Owns = _Y._Owns; }
67: else if (_Y._Owns)
68: _Owns = true;
69: _Ptr = _Y.release(); }
70: return (*this); }
71: ~xmlOutputBuffer_auto_ptr()
72: {if (_Owns && _Ptr)
73: xmlOutputBufferClose(_Ptr); }
74: xmlOutputBuffer& operator*() const
75: {return (*get()); }
76: xmlOutputBuffer *operator->() const
77: {return (get()); }
78: xmlOutputBuffer *get() const
79: {return (_Ptr); }
80: xmlOutputBuffer *release() const
81: {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false;
82: return (_Ptr); }
83: private:
84: bool _Owns;
85: xmlOutputBuffer *_Ptr;
86: };
87:
1.65 paf 88: class xsltTransformContext_auto_ptr {
89: public:
1.67 paf 90: explicit xsltTransformContext_auto_ptr(xsltTransformContext *_APtr = 0)
91: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 92: xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y)
93: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
94: xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y)
95: {if (this != &_Y)
96: {if (_Ptr != _Y.get())
97: {if (_Owns && _Ptr)
98: xsltFreeTransformContext(_Ptr);
99: _Owns = _Y._Owns; }
100: else if (_Y._Owns)
101: _Owns = true;
102: _Ptr = _Y.release(); }
103: return (*this); }
104: ~xsltTransformContext_auto_ptr()
105: {if (_Owns && _Ptr)
106: xsltFreeTransformContext(_Ptr); }
107: xsltTransformContext& operator*() const
108: {return (*get()); }
109: xsltTransformContext *operator->() const
110: {return (get()); }
111: xsltTransformContext *get() const
112: {return (_Ptr); }
113: xsltTransformContext *release() const
114: {((xsltTransformContext_auto_ptr *)this)->_Owns = false;
115: return (_Ptr); }
116: private:
117: bool _Owns;
118: xsltTransformContext *_Ptr;
119: };
1.61 paf 120:
1.65 paf 121: class xsltStylesheet_auto_ptr {
122: public:
1.67 paf 123: explicit xsltStylesheet_auto_ptr(xsltStylesheet *_APtr = 0)
124: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 125: xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y)
126: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
127: xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y)
128: {if (this != &_Y)
129: {if (_Ptr != _Y.get())
130: {if (_Owns && _Ptr)
131: xsltFreeStylesheet(_Ptr);
132: _Owns = _Y._Owns; }
133: else if (_Y._Owns)
134: _Owns = true;
135: _Ptr = _Y.release(); }
136: return (*this); }
137: ~xsltStylesheet_auto_ptr()
138: {if (_Owns && _Ptr)
139: xsltFreeStylesheet(_Ptr); }
140: xsltStylesheet& operator*() const
141: {return (*get()); }
142: xsltStylesheet *operator->() const
143: {return (get()); }
144: xsltStylesheet *get() const
145: {return (_Ptr); }
146: xsltStylesheet *release() const
147: {((xsltStylesheet_auto_ptr *)this)->_Owns = false;
148: return (_Ptr); }
149: private:
150: bool _Owns;
151: xsltStylesheet *_Ptr;
152: };
1.61 paf 153:
1.1 parser 154: // methods
155:
1.54 paf 156: static void writeNode(Request& r, const String& method_name, GdomeNode *node,
157: GdomeException exc) {
158: if(!node || exc)
1.87 paf 159: throw Exception(
1.54 paf 160: &method_name,
161: exc);
162:
163: Pool& pool=r.pool();
164:
165: // write out result
166: VXnode& result=*new(pool) VXnode(pool, node);
167: r.write_no_lang(result);
168: }
169:
1.16 parser 170: // Element createElement(in DOMString tagName) raises(DOMException);
171: static void _createElement(Request& r, const String& method_name, MethodParams *params) {
172: Pool& pool=r.pool();
173: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
174:
1.39 paf 175: const String& tagName=params->as_string(0, "tagName must be string");
1.16 parser 176:
1.54 paf 177: GdomeException exc;
178: GdomeNode *node=
179: (GdomeNode *)gdome_doc_createElement(vdoc.get_document(&method_name),
1.57 paf 180: pool.transcode(tagName).get(),
1.54 paf 181: &exc);
182: writeNode(r, method_name, node, exc);
1.16 parser 183: }
184:
185: // DocumentFragment createDocumentFragment()
1.26 parser 186: static void _createDocumentFragment(Request& r, const String& method_name, MethodParams *) {
1.16 parser 187: Pool& pool=r.pool();
188: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
189:
1.54 paf 190: GdomeException exc;
191: GdomeNode *node=
192: (GdomeNode *)gdome_doc_createDocumentFragment(
193: vdoc.get_document(&method_name),
194: &exc);
195: writeNode(r, method_name, node, exc);
1.16 parser 196: }
197:
198: // Text createTextNode(in DOMString data);
199: static void _createTextNode(Request& r, const String& method_name, MethodParams *params) {
200: Pool& pool=r.pool();
201: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
202:
1.40 paf 203: const String& data=params->as_string(0, "data must be string");
1.16 parser 204:
1.54 paf 205: GdomeException exc;
206: GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode(
207: vdoc.get_document(&method_name),
1.57 paf 208: pool.transcode(data).get(),
1.54 paf 209: &exc);
210: writeNode(r, method_name, node, exc);
1.16 parser 211: }
212:
213: // Comment createComment(in DOMString data)
214: static void _createComment(Request& r, const String& method_name, MethodParams *params) {
215: Pool& pool=r.pool();
216: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
217:
1.26 parser 218: const String& data=params->as_string(0, "data must be string");
1.16 parser 219:
1.54 paf 220: GdomeException exc;
221: GdomeNode *node=(GdomeNode *)gdome_doc_createComment(
222: vdoc.get_document(&method_name),
1.57 paf 223: pool.transcode(data).get(),
1.54 paf 224: &exc);
225: writeNode(r, method_name, node, exc);
1.16 parser 226: }
227:
228: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
229: static void _createCDATASection(Request& r, const String& method_name, MethodParams *params) {
230: Pool& pool=r.pool();
231: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
232:
1.26 parser 233: const String& data=params->as_string(0, "data must be string");
1.16 parser 234:
1.54 paf 235: GdomeException exc;
236: GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection(
237: vdoc.get_document(&method_name),
1.57 paf 238: pool.transcode(data).get(),
1.54 paf 239: &exc);
240: writeNode(r, method_name, node, exc);
1.16 parser 241: }
242:
243: // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException);
244: static void _createProcessingInstruction(Request& r, const String& method_name, MethodParams *params) {
245: Pool& pool=r.pool();
246: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
247:
1.26 parser 248: const String& target=params->as_string(0, "data must be string");
249: const String& data=params->as_string(1, "data must be string");
1.16 parser 250:
1.54 paf 251: GdomeException exc;
252: GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction(
253: vdoc.get_document(&method_name),
1.57 paf 254: pool.transcode(target).get(),
255: pool.transcode(data).get(),
1.54 paf 256: &exc);
257: writeNode(r, method_name, node, exc);
1.16 parser 258: }
259:
260: // Attr createAttribute(in DOMString name) raises(DOMException);
261: static void _createAttribute(Request& r, const String& method_name, MethodParams *params) {
262: Pool& pool=r.pool();
263: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
264:
1.26 parser 265: const String& name=params->as_string(0, "name must be string");
1.16 parser 266:
1.54 paf 267: GdomeException exc;
268: GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute(
269: vdoc.get_document(&method_name),
1.57 paf 270: pool.transcode(name).get(),
1.54 paf 271: &exc);
272: writeNode(r, method_name, node, exc);
1.16 parser 273: }
274: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
275: static void _createEntityReference(Request& r, const String& method_name, MethodParams *params) {
276: Pool& pool=r.pool();
277: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
278:
1.26 parser 279: const String& name=params->as_string(0, "name must be string");
1.16 parser 280:
1.54 paf 281: GdomeException exc;
282: GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference(
283: vdoc.get_document(&method_name),
1.57 paf 284: pool.transcode(name).get(),
1.54 paf 285: &exc);
286: writeNode(r, method_name, node, exc);
1.16 parser 287: }
288:
1.54 paf 289: static void _getElementById(Request& r, const String& method_name, MethodParams *params) {
290: Pool& pool=r.pool();
291: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.16 parser 292:
1.54 paf 293: // elementId
294: const String& elementId=params->as_string(0, "elementID must be string");
1.1 parser 295:
1.54 paf 296: GdomeException exc;
297: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
298: vdoc.get_document(&method_name),
1.57 paf 299: pool.transcode(elementId).get(),
1.54 paf 300: &exc)) {
301: // write out result
302: VXnode& result=*new(pool) VXnode(pool, node);
303: r.write_no_lang(result);
1.66 paf 304: } else if(exc || xmlHaveGenericErrors())
1.87 paf 305: throw Exception(
1.54 paf 306: &method_name,
307: exc);
308: }
1.79 paf 309:
310: static void _importNode(Request& r, const String& method_name, MethodParams *params) {
311: Pool& pool=r.pool();
312: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
313:
314: GdomeNode *importedNode=
1.88 paf 315: as_node(method_name, params, 0, "importedNode must be node");
1.79 paf 316: bool deep=
317: params->as_bool(1, "deep must be bool", r);
318:
319: GdomeException exc;
320: GdomeNode *outputNode=gdome_doc_importNode(vdoc.get_document(&method_name),
321: importedNode,
322: deep, &exc);
323: if(exc)
1.87 paf 324: throw Exception(
1.79 paf 325: &method_name,
326: exc);
327:
328: // write out result
329: r.write_no_lang(*new(pool) VXnode(pool, outputNode));
330: }
1.54 paf 331: /*
332: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
333: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
334: */
1.1 parser 335:
1.54 paf 336: static void _create(Request& r, const String& method_name, MethodParams *params) {
337: Pool& pool=r.pool();
338: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.1 parser 339:
1.95 paf 340: Value& param=params->get(params->size()-1);
1.83 paf 341: GdomeDocument *document;
1.95 paf 342: if(param.get_junction()) { // {<?xml?>...}
1.83 paf 343: Temp_lang temp_lang(r, String::UL_XML);
1.91 paf 344: const String& xml=r.process_to_string(param);
1.83 paf 345:
346: const char *cstr=xml.cstr(String::UL_UNSPECIFIED);
347: document=(GdomeDocument *)
348: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
349: cstr, strlen(cstr)
350: ));
351: if(!document || xmlHaveGenericErrors()) {
352: GdomeException exc=0;
1.87 paf 353: throw Exception(
1.83 paf 354: &method_name,
355: exc);
356: }
357: } else { // [name]
358: const String& qualifiedName=param.as_string();
1.1 parser 359:
1.83 paf 360: GdomeException exc;
361: /*
362: GdomeDocumentType *documentType=gdome_di_createDocumentType (
363: docimpl,
364: pool.transcode(qualifiedName),
365: 0/*publicId* /,
366: 0/*systemId* /,
367: &exc);
368: if(!documentType || exc || xmlHaveGenericErrors())
1.87 paf 369: throw Exception(
1.83 paf 370: &method_name,
371: exc);
372: */
373: document=gdome_di_createDocument (domimpl,
374: 0/*namespaceURI*/,
375: pool.transcode(qualifiedName).get(),
376: 0/*doctype*/,
377: &exc);
378: if(!document || exc || xmlHaveGenericErrors())
1.87 paf 379: throw Exception(
1.83 paf 380: &method_name,
381: exc);
1.9 parser 382:
1.83 paf 383: /// +xalan createXMLDecl ?
1.73 paf 384: }
1.95 paf 385:
386: // URI
387: const char *URI_cstr;
388: if(params->size()>1) { // absolute(param)
389: const String& URI=params->as_string(0, "URI must be string");
390: URI_cstr=r.absolute(URI).cstr();
391: } else // default = disk path to requested document
392: URI_cstr=r.info.path_translated;
393: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
394: if(URI_cstr)
395: doc->URL=pool.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
396:
1.54 paf 397: // replace any previous parsed source
398: vdoc.set_document(document);
1.9 parser 399: }
400:
1.54 paf 401: static void _load(Request& r, const String& method_name, MethodParams *params) {
402: Pool& pool=r.pool();
403: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 404:
1.54 paf 405: // filespec
406: const String& file_name=params->as_string(0, "uri must be string");
407: const String& uri=r.absolute(file_name);
408:
1.73 paf 409: GdomeDocument *document=(GdomeDocument *)
410: gdome_xml_n_mkref((xmlNode *)xmlParseFile(uri.cstr()));
411: if(!document || xmlHaveGenericErrors()) {
412: GdomeException exc=0;
1.87 paf 413: throw Exception(
1.69 paf 414: &uri,
1.54 paf 415: exc);
1.73 paf 416: }
1.9 parser 417:
1.54 paf 418: // replace any previous parsed source
419: vdoc.set_document(document);
1.9 parser 420: }
421:
1.46 paf 422: static void param_option_over_output_option(Pool& pool,
423: Hash *param_options, const char *option_name,
1.61 paf 424: const String *& output_option) {
425: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
426: option_name))))
427: output_option=&value->as_string();
1.46 paf 428: }
429: static void param_option_over_output_option(Pool& pool,
430: Hash *param_options, const char *option_name,
431: bool& output_option) {
432: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
433: String(pool, option_name)))) {
434: const String& s=value->as_string();
435: if(s=="yes")
436: output_option=true;
437: else if(s=="no")
438: output_option=false;
439: else
1.87 paf 440: throw Exception("parser.runtime",
1.46 paf 441: &s,
442: "%s must be either 'yes' or 'no'", option_name);
443: }
444: }
445:
1.61 paf 446: static void prepare_output_options(
447: Pool& pool, const String& method_name, MethodParams *params, int index,
448: VXdoc::Output_options& oo) {
1.46 paf 449: /*
450: <xsl:output
451: !method = "xml" | "html" | "text" | qname-but-not-ncname
452: !version = nmtoken
453: !encoding = string
454: !omit-xml-declaration = "yes" | "no"
455: !standalone = "yes" | "no"
456: !doctype-public = string
457: !doctype-system = string
458: cdata-section-elements = qnames
459: !indent = "yes" | "no"
460: !media-type = string />
1.61 paf 461: */
1.1 parser 462:
1.46 paf 463: // configuring with options from parameter...
1.1 parser 464: if(params->size()>index) {
1.20 parser 465: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 466: if(voptions.is_defined()) {
1.34 parser 467: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 468: // $.method[xml|html|text]
469: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
470: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 471: oo.method=&vmethod->as_string();
1.1 parser 472:
1.46 paf 473: // $.version[1.0]
474: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 475: // $.encoding[windows-1251|...]
1.46 paf 476: param_option_over_output_option(pool, options, "encoding", oo.encoding);
477: // $.omit-xml-declaration[yes|no]
1.61 paf 478: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 479: // $.standalone[yes|no]
480: param_option_over_output_option(pool, options, "standalone", oo.standalone);
481: // $.doctype-public[?]
482: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
483: // $.doctype-system[?]
484: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
485: // $.indent[yes|no]
1.61 paf 486: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 487: // $.media-type[text/{html|xml|plain}]
488: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 489: }
1.1 parser 490: }
491: }
492:
1.46 paf 493: // default encoding from pool
1.61 paf 494: if(!oo.encoding)
495: oo.encoding=&pool.get_source_charset().name();
1.46 paf 496: // default method=xml
497: if(!oo.method)
1.61 paf 498: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
499: // default mediaType = depending on method
500: if(!oo.mediaType) {
501: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
502: oo.mediaType=new(pool) String(pool, "text/xml");
503: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
504: oo.mediaType=new(pool) String(pool, "text/html");
505: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
506: oo.mediaType=new(pool) String(pool, "text/plain");
507: }
508: }
1.46 paf 509:
1.63 paf 510: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
511: const String& method_name, MethodParams *params, int index,
512: VXdoc::Output_options& oo,
513: const String *file_spec,
514: char **parser_buf, size_t *parser_size) {
515: prepare_output_options(pool, method_name, params, index,
1.61 paf 516: oo);
517:
1.63 paf 518: const char *encoding_cstr=oo.encoding->cstr();
519: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
520: if(!encoder)
1.87 paf 521: throw Exception("parser.runtime",
1.63 paf 522: &method_name,
523: "encoding '%s' not supported", encoding_cstr);
1.61 paf 524: // UTF-8 encoder contains empty input/output converters,
525: // which is wrong for xmlOutputBufferCreateIO
526: // while zero encoder goes perfectly
527: if(encoder && strcmp(encoder->name, "UTF-8")==0)
528: encoder=0;
529:
1.62 paf 530: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 531:
1.65 paf 532: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
533: if(!stylesheet.get())
1.87 paf 534: throw Exception(0,
1.61 paf 535: &method_name,
536: "xsltNewStylesheet failed");
537:
1.62 paf 538: #define OOS2STYLE(name) \
1.61 paf 539: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 540: #define OOE2STYLE(name) \
541: stylesheet->name=oo.name
1.61 paf 542:
1.62 paf 543: OOS2STYLE(method);
544: OOS2STYLE(encoding);
545: OOS2STYLE(mediaType);
546: OOS2STYLE(doctypeSystem);
547: OOS2STYLE(doctypePublic);
548: OOE2STYLE(indent);
549: OOS2STYLE(version);
550: OOE2STYLE(standalone);
551: OOE2STYLE(omitXmlDeclaration);
1.61 paf 552:
1.76 paf 553: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.81 paf 554: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 555: GdomeException exc=0;
1.87 paf 556: throw Exception(
1.75 paf 557: &method_name,
558: exc);
559: }
1.61 paf 560:
1.54 paf 561: // write out result
1.63 paf 562: char *gnome_buf; size_t gnome_size;
563: if(outputBuffer->conv) {
564: gnome_size=outputBuffer->conv->use;
1.62 paf 565: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 566: } else {
567: gnome_size=outputBuffer->buffer->use;
1.62 paf 568: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 569: }
570: if(file_spec)
1.77 paf 571: file_write(
1.63 paf 572: *file_spec,
573: gnome_buf, gnome_size,
574: true/*as_text*/);
1.74 paf 575: else if(*parser_size=gnome_size) {
1.63 paf 576: *parser_buf=(char *)pool.malloc(gnome_size);
577: memcpy(*parser_buf, gnome_buf, gnome_size);
1.74 paf 578: } else
579: *parser_buf=0;
1.1 parser 580: }
581:
582: static void _file(Request& r, const String& method_name, MethodParams *params) {
583: Pool& pool=r.pool();
1.46 paf 584: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.63 paf 585: VXdoc::Output_options oo(vdoc.output_options);
586: char *buf; size_t buf_size;
587: xdoc2buf(pool, vdoc, method_name, params, 0,
588: oo,
1.64 paf 589: 0/*not to file, to memory*/,
1.63 paf 590: &buf, &buf_size);
591: // write out result
592: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 593:
1.58 paf 594: // write out result
595: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 596: Value *vcontent_type;
1.58 paf 597: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 598: vhcontent_type->hash(&method_name).put(
599: *value_name,
600: new(pool) VString(*oo.mediaType));
601: vhcontent_type->hash(&method_name).put(
602: *new(pool) String(pool, "charset"),
603: new(pool) VString(*oo.encoding));
1.58 paf 604: vcontent_type=vhcontent_type;
605:
606: vfile.set(false/*tainted*/, buf, buf_size, 0/*file_name*/, vcontent_type);
607: r.write_no_lang(vfile);
1.63 paf 608: }
609:
610: static void _save(Request& r, const String& method_name, MethodParams *params) {
611: Pool& pool=r.pool();
612: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
613:
614: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
615:
616: VXdoc::Output_options oo(vdoc.output_options);
617: xdoc2buf(pool, vdoc, method_name, params, 1,
618: oo,
619: &file_spec,
620: 0, 0);
621: }
622:
623: static void _string(Request& r, const String& method_name, MethodParams *params) {
624: Pool& pool=r.pool();
625: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
626: VXdoc::Output_options oo(vdoc.output_options);
627: char *buf; size_t buf_size;
628: xdoc2buf(pool, vdoc, method_name, params, 0,
629: oo,
1.64 paf 630: 0/*not to file, to memory*/,
1.63 paf 631: &buf, &buf_size);
632: // write out result
633: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 634: }
1.58 paf 635:
1.1 parser 636: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
637: void *info) {
1.59 paf 638: Value *meaning=static_cast<Value *>(ameaning);
639: Pool& pool=meaning->pool();
1.89 paf 640: const char ** & current_transform_param=*(const char ***)info;
641: *current_transform_param++=pool.transcode(aattribute)->str;
642: *current_transform_param++=pool.transcode(meaning->as_string())->str;
1.1 parser 643: }
1.93 paf 644: static VXdoc& _transform(Pool& pool, const String *doc_source, const String *stylesheet_source,
645: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char **transform_params) {
646: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(doc_source));
1.65 paf 647: xsltTransformContext_auto_ptr transformContext(
648: xsltNewTransformContext(stylesheet, document));
1.90 paf 649: // make params literal
650: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
651: transformContext->globalVars = xmlHashCreate(20);
652: xsltQuoteUserParams(transformContext.get(), transform_params);
653: // do transform
1.59 paf 654: xmlDoc *transformed=xsltApplyStylesheetUser(
655: stylesheet,
656: document,
1.90 paf 657: 0/*already quoted-inserted transform_params*/,
1.59 paf 658: 0/*const char *output*/,
659: 0/*FILE *profile*/,
1.65 paf 660: transformContext.get());
1.66 paf 661: if(!transformed || xmlHaveGenericErrors()) {
662: GdomeException exc=0;
1.87 paf 663: throw Exception(
1.93 paf 664: stylesheet_source,
1.66 paf 665: exc);
666: }
1.42 paf 667:
1.61 paf 668: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
669: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 670: // constructing result
671: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
672: if(!gdomeDocument)
1.87 paf 673: throw Exception(0,
1.93 paf 674: doc_source,
1.59 paf 675: "gdome_xml_doc_mkref failed");
676: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 677: /* grabbing options
678:
679: <xsl:output
680: !method = "xml" | "html" | "text"
681: X| qname-but-not-ncname
682: !version = nmtoken
683: !encoding = string
684: !omit-xml-declaration = "yes" | "no"
685: !standalone = "yes" | "no"
686: !doctype-public = string
687: !doctype-system = string
688: Xcdata-section-elements = qnames
689: !indent = "yes" | "no"
690: !media-type = string />
1.59 paf 691: */
692: memset(&result.output_options, 0, sizeof(result.output_options));
693: VXdoc::Output_options& oo=result.output_options;
694:
1.60 paf 695: oo.method=stylesheet->method?&pool.transcode(stylesheet->method):0;
696: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding):0;
697: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType):0;
698: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem):0;
699: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic):0;
1.59 paf 700: oo.indent=stylesheet->indent!=0;
1.60 paf 701: oo.version=stylesheet->version?&pool.transcode(stylesheet->version):0;
1.59 paf 702: oo.standalone=stylesheet->standalone!=0;
703: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
704:
1.93 paf 705: // return
706: return result;
707: }
708: static void _transform(Request& r, const String& method_name, MethodParams *params) {
709: Pool& pool=r.pool();
710: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
711:
712: // params
713: const char **transform_params=0;
714: if(params->size()>1) {
715: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
716: if(vparams.is_defined())
717: if(Hash *params=vparams.get_hash(&method_name)) {
718: const char **current_transform_param=transform_params=
719: (const char **)pool.malloc(sizeof(const char *)*(params->size()*2+1));
720: params->for_each(add_xslt_param, ¤t_transform_param);
721: transform_params[params->size()*2]=0;
722: } else
723: throw Exception("parser.runtime",
724: &method_name,
725: "transform parameters parameter must be hash");
726: }
727:
728: VXdoc *result;
729: Value& vmaybe_xdoc=params->get(0);
730: if(strcmp(vmaybe_xdoc.type(), VXDOC_TYPE)==0) { // stylesheet (xdoc)
731: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
732: static_cast<VXdoc *>(&vmaybe_xdoc)->get_document(&method_name));
733: // compile xdoc stylesheet
1.94 paf 734: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
735: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
736: // we don't need that
737: stylesheet_ptr->doc=0;
1.93 paf 738: if(xmlHaveGenericErrors()) {
739: GdomeException exc=0;
740: throw Exception(&method_name, exc);
741: }
742: if(!stylesheet_ptr.get())
743: throw Exception("xml",
744: &method_name,
745: "stylesheet failed to compile");
746:
747: // transform!
748: result=&_transform(pool, &method_name, &method_name,
749: vdoc, stylesheet_ptr.get(),
750: transform_params);
751: } else { // stylesheet (file name)
752: // extablish stylesheet connection
753: const String& stylesheet_filespec=
754: r.absolute(params->as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
755: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
756:
757: // load and compile file to stylesheet [or get cached if any]
758: // transform!
759: result=&_transform(pool, &method_name, &stylesheet_filespec,
760: vdoc, connection->stylesheet(false/*nocache*/),
761: transform_params);
762: }
763:
1.59 paf 764: // write out result
1.93 paf 765: r.write_no_lang(*result);
1.1 parser 766: }
767:
1.16 parser 768: // constructor
1.2 parser 769:
1.92 paf 770: /// @test how to create empty type html?
771: MXdoc::MXdoc(Pool& apool) : MXnode(apool, XDOC_CLASS_NAME, Xnode_class) {
1.16 parser 772: /// DOM1
1.2 parser 773:
1.16 parser 774: // Element createElement(in DOMString tagName) raises(DOMException);
775: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
776: // DocumentFragment createDocumentFragment();
777: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
778: // Text createTextNode(in DOMString data);
779: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
780: // Comment createComment(in DOMString data);
781: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
782: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
783: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
784: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
785: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
786: // Attr createAttribute(in DOMString name) raises(DOMException);
787: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
788: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
789: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.2 parser 790:
1.79 paf 791: /// DOM2
1.2 parser 792:
1.16 parser 793: // ^xdoc.getElementById[elementId]
794: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 795:
796: // Node (in Node importedNode, in boolean deep) raises(DOMException)
797: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.1 parser 798:
1.16 parser 799: /// parser
800:
1.54 paf 801: // ^xdoc::create{qualifiedName}
1.95 paf 802: // ^xdoc::create[<some>xml</some>]
803: // ^xdoc::create[URI][<some>xml</some>]
804: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 805: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
806: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 807:
808: // ^xdoc::load[some.xml]
809: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
810:
1.2 parser 811: // ^xdoc.save[some.xml]
812: // ^xdoc.save[some.xml;options hash]
1.1 parser 813: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
814:
1.2 parser 815: // ^xdoc.string[] <doc/>
816: // ^xdoc.string[options hash] <doc/>
1.1 parser 817: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
818:
1.2 parser 819: // ^xdoc.file[] file with "<doc/>"
820: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 821: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 822:
1.8 parser 823: // ^xdoc.transform[stylesheet file_name]
824: // ^xdoc.transform[stylesheet file_name;params hash]
1.59 paf 825: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 826:
1.1 parser 827: }
1.5 parser 828:
829: void MXdoc::configure_admin(Request& r) {
830: }
831:
1.1 parser 832: // global variable
833:
834: Methoded *Xdoc_class;
835:
836: // creator
837:
838: #endif
839:
840: Methoded *MXdoc_create(Pool& pool) {
841: return
842: #ifdef XML
1.33 parser 843: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 844: #else
845: 0
846: #endif
847: ;
848: }
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