Annotation of parser3/src/classes/xdoc.C, revision 1.93.2.1
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)
1.1 parser 6:
1.93.2.1! paf 7: $Id: xdoc.C,v 1.94 2002/06/27 08:32:18 paf Exp $
1.1 parser 8: */
1.80 paf 9: #include "classes.h"
1.1 parser 10: #ifdef XML
11:
1.82 paf 12: #include "pa_stylesheet_connection.h"
13: #include "pa_request.h"
14: #include "pa_vxdoc.h"
15: #include "pa_charset.h"
16: #include "pa_vfile.h"
17: #include "xnode.h"
18:
1.69 paf 19: #include "gdome.h"
20: #include "libxml/tree.h"
21: extern "C" {
22: #include "gdomecore/gdome-xml-node.h"
23: #include "gdomecore/gdome-xml-document.h"
24: };
25: #include "libxslt/xsltInternals.h"
26: #include "libxslt/transform.h"
27: #include "libxslt/xsltutils.h"
1.90 paf 28: #include "libxslt/variables.h"
1.59 paf 29:
1.1 parser 30: // defines
31:
32: #define XDOC_CLASS_NAME "xdoc"
33:
34: #define XDOC_OUTPUT_METHOD_OPTION_NAME "method"
35: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml"
36: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html"
37: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text"
38:
39: // class
40:
41: class MXdoc : public MXnode {
42: public: // VStateless_class
1.54 paf 43: Value *create_new_value(Pool& pool) { return new(pool) VXdoc(pool, 0); }
1.1 parser 44:
45: public:
46: MXdoc(Pool& pool);
47:
48: public: // Methoded
1.5 parser 49: void configure_admin(Request& r);
1.1 parser 50: };
51:
1.61 paf 52: // helper classes
53:
54: class xmlOutputBuffer_auto_ptr {
55: public:
1.67 paf 56: explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_APtr = 0)
57: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.61 paf 58: xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y)
59: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
60: xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y)
61: {if (this != &_Y)
62: {if (_Ptr != _Y.get())
63: {if (_Owns && _Ptr)
64: xmlOutputBufferClose(_Ptr);
65: _Owns = _Y._Owns; }
66: else if (_Y._Owns)
67: _Owns = true;
68: _Ptr = _Y.release(); }
69: return (*this); }
70: ~xmlOutputBuffer_auto_ptr()
71: {if (_Owns && _Ptr)
72: xmlOutputBufferClose(_Ptr); }
73: xmlOutputBuffer& operator*() const
74: {return (*get()); }
75: xmlOutputBuffer *operator->() const
76: {return (get()); }
77: xmlOutputBuffer *get() const
78: {return (_Ptr); }
79: xmlOutputBuffer *release() const
80: {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false;
81: return (_Ptr); }
82: private:
83: bool _Owns;
84: xmlOutputBuffer *_Ptr;
85: };
86:
1.65 paf 87: class xsltTransformContext_auto_ptr {
88: public:
1.67 paf 89: explicit xsltTransformContext_auto_ptr(xsltTransformContext *_APtr = 0)
90: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 91: xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y)
92: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
93: xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y)
94: {if (this != &_Y)
95: {if (_Ptr != _Y.get())
96: {if (_Owns && _Ptr)
97: xsltFreeTransformContext(_Ptr);
98: _Owns = _Y._Owns; }
99: else if (_Y._Owns)
100: _Owns = true;
101: _Ptr = _Y.release(); }
102: return (*this); }
103: ~xsltTransformContext_auto_ptr()
104: {if (_Owns && _Ptr)
105: xsltFreeTransformContext(_Ptr); }
106: xsltTransformContext& operator*() const
107: {return (*get()); }
108: xsltTransformContext *operator->() const
109: {return (get()); }
110: xsltTransformContext *get() const
111: {return (_Ptr); }
112: xsltTransformContext *release() const
113: {((xsltTransformContext_auto_ptr *)this)->_Owns = false;
114: return (_Ptr); }
115: private:
116: bool _Owns;
117: xsltTransformContext *_Ptr;
118: };
1.61 paf 119:
1.65 paf 120: class xsltStylesheet_auto_ptr {
121: public:
1.67 paf 122: explicit xsltStylesheet_auto_ptr(xsltStylesheet *_APtr = 0)
123: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 124: xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y)
125: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
126: xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y)
127: {if (this != &_Y)
128: {if (_Ptr != _Y.get())
129: {if (_Owns && _Ptr)
130: xsltFreeStylesheet(_Ptr);
131: _Owns = _Y._Owns; }
132: else if (_Y._Owns)
133: _Owns = true;
134: _Ptr = _Y.release(); }
135: return (*this); }
136: ~xsltStylesheet_auto_ptr()
137: {if (_Owns && _Ptr)
138: xsltFreeStylesheet(_Ptr); }
139: xsltStylesheet& operator*() const
140: {return (*get()); }
141: xsltStylesheet *operator->() const
142: {return (get()); }
143: xsltStylesheet *get() const
144: {return (_Ptr); }
145: xsltStylesheet *release() const
146: {((xsltStylesheet_auto_ptr *)this)->_Owns = false;
147: return (_Ptr); }
148: private:
149: bool _Owns;
150: xsltStylesheet *_Ptr;
151: };
1.61 paf 152:
1.1 parser 153: // methods
154:
1.54 paf 155: static void writeNode(Request& r, const String& method_name, GdomeNode *node,
156: GdomeException exc) {
157: if(!node || exc)
1.87 paf 158: throw Exception(
1.54 paf 159: &method_name,
160: exc);
161:
162: Pool& pool=r.pool();
163:
164: // write out result
165: VXnode& result=*new(pool) VXnode(pool, node);
166: r.write_no_lang(result);
167: }
168:
1.16 parser 169: // Element createElement(in DOMString tagName) raises(DOMException);
170: static void _createElement(Request& r, const String& method_name, MethodParams *params) {
171: Pool& pool=r.pool();
172: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
173:
1.39 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=
178: (GdomeNode *)gdome_doc_createElement(vdoc.get_document(&method_name),
1.57 paf 179: pool.transcode(tagName).get(),
1.54 paf 180: &exc);
181: writeNode(r, method_name, node, exc);
1.16 parser 182: }
183:
184: // DocumentFragment createDocumentFragment()
1.26 parser 185: static void _createDocumentFragment(Request& r, const String& method_name, MethodParams *) {
1.16 parser 186: Pool& pool=r.pool();
187: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
188:
1.54 paf 189: GdomeException exc;
190: GdomeNode *node=
191: (GdomeNode *)gdome_doc_createDocumentFragment(
192: vdoc.get_document(&method_name),
193: &exc);
194: writeNode(r, method_name, node, exc);
1.16 parser 195: }
196:
197: // Text createTextNode(in DOMString data);
198: static void _createTextNode(Request& r, const String& method_name, MethodParams *params) {
199: Pool& pool=r.pool();
200: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
201:
1.40 paf 202: const String& data=params->as_string(0, "data must be string");
1.16 parser 203:
1.54 paf 204: GdomeException exc;
205: GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode(
206: vdoc.get_document(&method_name),
1.57 paf 207: pool.transcode(data).get(),
1.54 paf 208: &exc);
209: writeNode(r, method_name, node, exc);
1.16 parser 210: }
211:
212: // Comment createComment(in DOMString data)
213: static void _createComment(Request& r, const String& method_name, MethodParams *params) {
214: Pool& pool=r.pool();
215: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
216:
1.26 parser 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_createComment(
221: vdoc.get_document(&method_name),
1.57 paf 222: pool.transcode(data).get(),
1.54 paf 223: &exc);
224: writeNode(r, method_name, node, exc);
1.16 parser 225: }
226:
227: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
228: static void _createCDATASection(Request& r, const String& method_name, MethodParams *params) {
229: Pool& pool=r.pool();
230: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
231:
1.26 parser 232: const String& data=params->as_string(0, "data must be string");
1.16 parser 233:
1.54 paf 234: GdomeException exc;
235: GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection(
236: vdoc.get_document(&method_name),
1.57 paf 237: pool.transcode(data).get(),
1.54 paf 238: &exc);
239: writeNode(r, method_name, node, exc);
1.16 parser 240: }
241:
242: // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException);
243: static void _createProcessingInstruction(Request& r, const String& method_name, MethodParams *params) {
244: Pool& pool=r.pool();
245: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
246:
1.26 parser 247: const String& target=params->as_string(0, "data must be string");
248: const String& data=params->as_string(1, "data must be string");
1.16 parser 249:
1.54 paf 250: GdomeException exc;
251: GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction(
252: vdoc.get_document(&method_name),
1.57 paf 253: pool.transcode(target).get(),
254: pool.transcode(data).get(),
1.54 paf 255: &exc);
256: writeNode(r, method_name, node, exc);
1.16 parser 257: }
258:
259: // Attr createAttribute(in DOMString name) raises(DOMException);
260: static void _createAttribute(Request& r, const String& method_name, MethodParams *params) {
261: Pool& pool=r.pool();
262: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
263:
1.26 parser 264: const String& name=params->as_string(0, "name must be string");
1.16 parser 265:
1.54 paf 266: GdomeException exc;
267: GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute(
268: vdoc.get_document(&method_name),
1.57 paf 269: pool.transcode(name).get(),
1.54 paf 270: &exc);
271: writeNode(r, method_name, node, exc);
1.16 parser 272: }
273: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
274: static void _createEntityReference(Request& r, const String& method_name, MethodParams *params) {
275: Pool& pool=r.pool();
276: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
277:
1.26 parser 278: const String& name=params->as_string(0, "name must be string");
1.16 parser 279:
1.54 paf 280: GdomeException exc;
281: GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference(
282: vdoc.get_document(&method_name),
1.57 paf 283: pool.transcode(name).get(),
1.54 paf 284: &exc);
285: writeNode(r, method_name, node, exc);
1.16 parser 286: }
287:
1.54 paf 288: static void _getElementById(Request& r, const String& method_name, MethodParams *params) {
289: Pool& pool=r.pool();
290: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.16 parser 291:
1.54 paf 292: // elementId
293: const String& elementId=params->as_string(0, "elementID must be string");
1.1 parser 294:
1.54 paf 295: GdomeException exc;
296: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
297: vdoc.get_document(&method_name),
1.57 paf 298: pool.transcode(elementId).get(),
1.54 paf 299: &exc)) {
300: // write out result
301: VXnode& result=*new(pool) VXnode(pool, node);
302: r.write_no_lang(result);
1.66 paf 303: } else if(exc || xmlHaveGenericErrors())
1.87 paf 304: throw Exception(
1.54 paf 305: &method_name,
306: exc);
307: }
1.79 paf 308:
309: static void _importNode(Request& r, const String& method_name, MethodParams *params) {
310: Pool& pool=r.pool();
311: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
312:
313: GdomeNode *importedNode=
1.88 paf 314: as_node(method_name, params, 0, "importedNode must be node");
1.79 paf 315: bool deep=
316: params->as_bool(1, "deep must be bool", r);
317:
318: GdomeException exc;
319: GdomeNode *outputNode=gdome_doc_importNode(vdoc.get_document(&method_name),
320: importedNode,
321: deep, &exc);
322: if(exc)
1.87 paf 323: throw Exception(
1.79 paf 324: &method_name,
325: exc);
326:
327: // write out result
328: r.write_no_lang(*new(pool) VXnode(pool, outputNode));
329: }
1.54 paf 330: /*
331: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
332: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
333: */
1.1 parser 334:
1.54 paf 335: static void _create(Request& r, const String& method_name, MethodParams *params) {
336: Pool& pool=r.pool();
337: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.1 parser 338:
1.93.2.1! paf 339: Value& param=params->get(params->size()-1);
1.83 paf 340: GdomeDocument *document;
1.93.2.1! paf 341: if(param.get_junction()) { // {<?xml?>...}
1.83 paf 342: Temp_lang temp_lang(r, String::UL_XML);
1.91 paf 343: const String& xml=r.process_to_string(param);
1.83 paf 344:
345: const char *cstr=xml.cstr(String::UL_UNSPECIFIED);
346: document=(GdomeDocument *)
347: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
348: cstr, strlen(cstr)
349: ));
350: if(!document || xmlHaveGenericErrors()) {
351: GdomeException exc=0;
1.87 paf 352: throw Exception(
1.83 paf 353: &method_name,
354: exc);
355: }
356: } else { // [name]
357: const String& qualifiedName=param.as_string();
1.1 parser 358:
1.83 paf 359: GdomeException exc;
360: /*
361: GdomeDocumentType *documentType=gdome_di_createDocumentType (
362: docimpl,
363: pool.transcode(qualifiedName),
364: 0/*publicId* /,
365: 0/*systemId* /,
366: &exc);
367: if(!documentType || exc || xmlHaveGenericErrors())
1.87 paf 368: throw Exception(
1.83 paf 369: &method_name,
370: exc);
371: */
372: document=gdome_di_createDocument (domimpl,
373: 0/*namespaceURI*/,
374: pool.transcode(qualifiedName).get(),
375: 0/*doctype*/,
376: &exc);
377: if(!document || exc || xmlHaveGenericErrors())
1.87 paf 378: throw Exception(
1.83 paf 379: &method_name,
380: exc);
1.9 parser 381:
1.83 paf 382: /// +xalan createXMLDecl ?
1.73 paf 383: }
1.93.2.1! paf 384:
! 385: // URI
! 386: const char *URI_cstr;
! 387: if(params->size()>1) { // absolute(param)
! 388: const String& URI=params->as_string(0, "URI must be string");
! 389: URI_cstr=r.absolute(URI).cstr();
! 390: } else // default = disk path to requested document
! 391: URI_cstr=r.info.path_translated;
! 392: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
! 393: if(URI_cstr)
! 394: doc->URL=pool.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
! 395:
1.54 paf 396: // replace any previous parsed source
397: vdoc.set_document(document);
1.9 parser 398: }
399:
1.54 paf 400: static void _load(Request& r, const String& method_name, MethodParams *params) {
401: Pool& pool=r.pool();
402: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 403:
1.54 paf 404: // filespec
405: const String& file_name=params->as_string(0, "uri must be string");
406: const String& uri=r.absolute(file_name);
407:
1.73 paf 408: GdomeDocument *document=(GdomeDocument *)
409: gdome_xml_n_mkref((xmlNode *)xmlParseFile(uri.cstr()));
410: if(!document || xmlHaveGenericErrors()) {
411: GdomeException exc=0;
1.87 paf 412: throw Exception(
1.69 paf 413: &uri,
1.54 paf 414: exc);
1.73 paf 415: }
1.9 parser 416:
1.54 paf 417: // replace any previous parsed source
418: vdoc.set_document(document);
1.9 parser 419: }
420:
1.46 paf 421: static void param_option_over_output_option(Pool& pool,
422: Hash *param_options, const char *option_name,
1.61 paf 423: const String *& output_option) {
424: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
425: option_name))))
426: output_option=&value->as_string();
1.46 paf 427: }
428: static void param_option_over_output_option(Pool& pool,
429: Hash *param_options, const char *option_name,
430: bool& output_option) {
431: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
432: String(pool, option_name)))) {
433: const String& s=value->as_string();
434: if(s=="yes")
435: output_option=true;
436: else if(s=="no")
437: output_option=false;
438: else
1.87 paf 439: throw Exception("parser.runtime",
1.46 paf 440: &s,
441: "%s must be either 'yes' or 'no'", option_name);
442: }
443: }
444:
1.61 paf 445: static void prepare_output_options(
446: Pool& pool, const String& method_name, MethodParams *params, int index,
447: VXdoc::Output_options& oo) {
1.46 paf 448: /*
449: <xsl:output
450: !method = "xml" | "html" | "text" | qname-but-not-ncname
451: !version = nmtoken
452: !encoding = string
453: !omit-xml-declaration = "yes" | "no"
454: !standalone = "yes" | "no"
455: !doctype-public = string
456: !doctype-system = string
457: cdata-section-elements = qnames
458: !indent = "yes" | "no"
459: !media-type = string />
1.61 paf 460: */
1.1 parser 461:
1.46 paf 462: // configuring with options from parameter...
1.1 parser 463: if(params->size()>index) {
1.20 parser 464: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 465: if(voptions.is_defined()) {
1.34 parser 466: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 467: // $.method[xml|html|text]
468: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
469: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 470: oo.method=&vmethod->as_string();
1.1 parser 471:
1.46 paf 472: // $.version[1.0]
473: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 474: // $.encoding[windows-1251|...]
1.46 paf 475: param_option_over_output_option(pool, options, "encoding", oo.encoding);
476: // $.omit-xml-declaration[yes|no]
1.61 paf 477: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 478: // $.standalone[yes|no]
479: param_option_over_output_option(pool, options, "standalone", oo.standalone);
480: // $.doctype-public[?]
481: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
482: // $.doctype-system[?]
483: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
484: // $.indent[yes|no]
1.61 paf 485: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 486: // $.media-type[text/{html|xml|plain}]
487: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 488: }
1.1 parser 489: }
490: }
491:
1.46 paf 492: // default encoding from pool
1.61 paf 493: if(!oo.encoding)
494: oo.encoding=&pool.get_source_charset().name();
1.46 paf 495: // default method=xml
496: if(!oo.method)
1.61 paf 497: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
498: // default mediaType = depending on method
499: if(!oo.mediaType) {
500: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
501: oo.mediaType=new(pool) String(pool, "text/xml");
502: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
503: oo.mediaType=new(pool) String(pool, "text/html");
504: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
505: oo.mediaType=new(pool) String(pool, "text/plain");
506: }
507: }
1.46 paf 508:
1.63 paf 509: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
510: const String& method_name, MethodParams *params, int index,
511: VXdoc::Output_options& oo,
512: const String *file_spec,
513: char **parser_buf, size_t *parser_size) {
514: prepare_output_options(pool, method_name, params, index,
1.61 paf 515: oo);
516:
1.63 paf 517: const char *encoding_cstr=oo.encoding->cstr();
518: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
519: if(!encoder)
1.87 paf 520: throw Exception("parser.runtime",
1.63 paf 521: &method_name,
522: "encoding '%s' not supported", encoding_cstr);
1.61 paf 523: // UTF-8 encoder contains empty input/output converters,
524: // which is wrong for xmlOutputBufferCreateIO
525: // while zero encoder goes perfectly
526: if(encoder && strcmp(encoder->name, "UTF-8")==0)
527: encoder=0;
528:
1.62 paf 529: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 530:
1.65 paf 531: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
532: if(!stylesheet.get())
1.87 paf 533: throw Exception(0,
1.61 paf 534: &method_name,
535: "xsltNewStylesheet failed");
536:
1.62 paf 537: #define OOS2STYLE(name) \
1.61 paf 538: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 539: #define OOE2STYLE(name) \
540: stylesheet->name=oo.name
1.61 paf 541:
1.62 paf 542: OOS2STYLE(method);
543: OOS2STYLE(encoding);
544: OOS2STYLE(mediaType);
545: OOS2STYLE(doctypeSystem);
546: OOS2STYLE(doctypePublic);
547: OOE2STYLE(indent);
548: OOS2STYLE(version);
549: OOE2STYLE(standalone);
550: OOE2STYLE(omitXmlDeclaration);
1.61 paf 551:
1.76 paf 552: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.81 paf 553: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 554: GdomeException exc=0;
1.87 paf 555: throw Exception(
1.75 paf 556: &method_name,
557: exc);
558: }
1.61 paf 559:
1.54 paf 560: // write out result
1.63 paf 561: char *gnome_buf; size_t gnome_size;
562: if(outputBuffer->conv) {
563: gnome_size=outputBuffer->conv->use;
1.62 paf 564: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 565: } else {
566: gnome_size=outputBuffer->buffer->use;
1.62 paf 567: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 568: }
569: if(file_spec)
1.77 paf 570: file_write(
1.63 paf 571: *file_spec,
572: gnome_buf, gnome_size,
573: true/*as_text*/);
1.74 paf 574: else if(*parser_size=gnome_size) {
1.63 paf 575: *parser_buf=(char *)pool.malloc(gnome_size);
576: memcpy(*parser_buf, gnome_buf, gnome_size);
1.74 paf 577: } else
578: *parser_buf=0;
1.1 parser 579: }
580:
581: static void _file(Request& r, const String& method_name, MethodParams *params) {
582: Pool& pool=r.pool();
1.46 paf 583: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.63 paf 584: VXdoc::Output_options oo(vdoc.output_options);
585: char *buf; size_t buf_size;
586: xdoc2buf(pool, vdoc, method_name, params, 0,
587: oo,
1.64 paf 588: 0/*not to file, to memory*/,
1.63 paf 589: &buf, &buf_size);
590: // write out result
591: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 592:
1.58 paf 593: // write out result
594: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 595: Value *vcontent_type;
1.58 paf 596: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 597: vhcontent_type->hash(&method_name).put(
598: *value_name,
599: new(pool) VString(*oo.mediaType));
600: vhcontent_type->hash(&method_name).put(
601: *new(pool) String(pool, "charset"),
602: new(pool) VString(*oo.encoding));
1.58 paf 603: vcontent_type=vhcontent_type;
604:
605: vfile.set(false/*tainted*/, buf, buf_size, 0/*file_name*/, vcontent_type);
606: r.write_no_lang(vfile);
1.63 paf 607: }
608:
609: static void _save(Request& r, const String& method_name, MethodParams *params) {
610: Pool& pool=r.pool();
611: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
612:
613: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
614:
615: VXdoc::Output_options oo(vdoc.output_options);
616: xdoc2buf(pool, vdoc, method_name, params, 1,
617: oo,
618: &file_spec,
619: 0, 0);
620: }
621:
622: static void _string(Request& r, const String& method_name, MethodParams *params) {
623: Pool& pool=r.pool();
624: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
625: VXdoc::Output_options oo(vdoc.output_options);
626: char *buf; size_t buf_size;
627: xdoc2buf(pool, vdoc, method_name, params, 0,
628: oo,
1.64 paf 629: 0/*not to file, to memory*/,
1.63 paf 630: &buf, &buf_size);
631: // write out result
632: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 633: }
1.58 paf 634:
1.1 parser 635: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
636: void *info) {
1.59 paf 637: Value *meaning=static_cast<Value *>(ameaning);
638: Pool& pool=meaning->pool();
1.89 paf 639: const char ** & current_transform_param=*(const char ***)info;
640: *current_transform_param++=pool.transcode(aattribute)->str;
641: *current_transform_param++=pool.transcode(meaning->as_string())->str;
1.1 parser 642: }
1.93 paf 643: static VXdoc& _transform(Pool& pool, const String *doc_source, const String *stylesheet_source,
644: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char **transform_params) {
645: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(doc_source));
1.65 paf 646: xsltTransformContext_auto_ptr transformContext(
647: xsltNewTransformContext(stylesheet, document));
1.90 paf 648: // make params literal
649: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
650: transformContext->globalVars = xmlHashCreate(20);
651: xsltQuoteUserParams(transformContext.get(), transform_params);
652: // do transform
1.59 paf 653: xmlDoc *transformed=xsltApplyStylesheetUser(
654: stylesheet,
655: document,
1.90 paf 656: 0/*already quoted-inserted transform_params*/,
1.59 paf 657: 0/*const char *output*/,
658: 0/*FILE *profile*/,
1.65 paf 659: transformContext.get());
1.66 paf 660: if(!transformed || xmlHaveGenericErrors()) {
661: GdomeException exc=0;
1.87 paf 662: throw Exception(
1.93 paf 663: stylesheet_source,
1.66 paf 664: exc);
665: }
1.42 paf 666:
1.61 paf 667: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
668: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 669: // constructing result
670: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
671: if(!gdomeDocument)
1.87 paf 672: throw Exception(0,
1.93 paf 673: doc_source,
1.59 paf 674: "gdome_xml_doc_mkref failed");
675: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 676: /* grabbing options
677:
678: <xsl:output
679: !method = "xml" | "html" | "text"
680: X| qname-but-not-ncname
681: !version = nmtoken
682: !encoding = string
683: !omit-xml-declaration = "yes" | "no"
684: !standalone = "yes" | "no"
685: !doctype-public = string
686: !doctype-system = string
687: Xcdata-section-elements = qnames
688: !indent = "yes" | "no"
689: !media-type = string />
1.59 paf 690: */
691: memset(&result.output_options, 0, sizeof(result.output_options));
692: VXdoc::Output_options& oo=result.output_options;
693:
1.60 paf 694: oo.method=stylesheet->method?&pool.transcode(stylesheet->method):0;
695: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding):0;
696: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType):0;
697: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem):0;
698: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic):0;
1.59 paf 699: oo.indent=stylesheet->indent!=0;
1.60 paf 700: oo.version=stylesheet->version?&pool.transcode(stylesheet->version):0;
1.59 paf 701: oo.standalone=stylesheet->standalone!=0;
702: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
703:
1.93 paf 704: // return
705: return result;
706: }
707: static void _transform(Request& r, const String& method_name, MethodParams *params) {
708: Pool& pool=r.pool();
709: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
710:
711: // params
712: const char **transform_params=0;
713: if(params->size()>1) {
714: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
715: if(vparams.is_defined())
716: if(Hash *params=vparams.get_hash(&method_name)) {
717: const char **current_transform_param=transform_params=
718: (const char **)pool.malloc(sizeof(const char *)*(params->size()*2+1));
719: params->for_each(add_xslt_param, ¤t_transform_param);
720: transform_params[params->size()*2]=0;
721: } else
722: throw Exception("parser.runtime",
723: &method_name,
724: "transform parameters parameter must be hash");
725: }
726:
727: VXdoc *result;
728: Value& vmaybe_xdoc=params->get(0);
729: if(strcmp(vmaybe_xdoc.type(), VXDOC_TYPE)==0) { // stylesheet (xdoc)
730: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
731: static_cast<VXdoc *>(&vmaybe_xdoc)->get_document(&method_name));
732: // compile xdoc stylesheet
1.93.2.1! paf 733: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
! 734: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
! 735: // we don't need that
! 736: stylesheet_ptr->doc=0;
1.93 paf 737: if(xmlHaveGenericErrors()) {
738: GdomeException exc=0;
739: throw Exception(&method_name, exc);
740: }
741: if(!stylesheet_ptr.get())
742: throw Exception("xml",
743: &method_name,
744: "stylesheet failed to compile");
745:
746: // transform!
747: result=&_transform(pool, &method_name, &method_name,
748: vdoc, stylesheet_ptr.get(),
749: transform_params);
750: } else { // stylesheet (file name)
751: // extablish stylesheet connection
752: const String& stylesheet_filespec=
753: r.absolute(params->as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
754: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
755:
756: // load and compile file to stylesheet [or get cached if any]
757: // transform!
758: result=&_transform(pool, &method_name, &stylesheet_filespec,
759: vdoc, connection->stylesheet(false/*nocache*/),
760: transform_params);
761: }
762:
1.59 paf 763: // write out result
1.93 paf 764: r.write_no_lang(*result);
1.1 parser 765: }
766:
1.16 parser 767: // constructor
1.2 parser 768:
1.92 paf 769: /// @test how to create empty type html?
770: MXdoc::MXdoc(Pool& apool) : MXnode(apool, XDOC_CLASS_NAME, Xnode_class) {
1.16 parser 771: /// DOM1
1.2 parser 772:
1.16 parser 773: // Element createElement(in DOMString tagName) raises(DOMException);
774: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
775: // DocumentFragment createDocumentFragment();
776: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
777: // Text createTextNode(in DOMString data);
778: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
779: // Comment createComment(in DOMString data);
780: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
781: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
782: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
783: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
784: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
785: // Attr createAttribute(in DOMString name) raises(DOMException);
786: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
787: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
788: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.2 parser 789:
1.79 paf 790: /// DOM2
1.2 parser 791:
1.16 parser 792: // ^xdoc.getElementById[elementId]
793: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 794:
795: // Node (in Node importedNode, in boolean deep) raises(DOMException)
796: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.1 parser 797:
1.16 parser 798: /// parser
799:
1.54 paf 800: // ^xdoc::create{qualifiedName}
1.93.2.1! paf 801: // ^xdoc::create[<some>xml</some>]
! 802: // ^xdoc::create[URI][<some>xml</some>]
! 803: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 804: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
805: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 806:
807: // ^xdoc::load[some.xml]
808: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
809:
1.2 parser 810: // ^xdoc.save[some.xml]
811: // ^xdoc.save[some.xml;options hash]
1.1 parser 812: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
813:
1.2 parser 814: // ^xdoc.string[] <doc/>
815: // ^xdoc.string[options hash] <doc/>
1.1 parser 816: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
817:
1.2 parser 818: // ^xdoc.file[] file with "<doc/>"
819: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 820: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 821:
1.8 parser 822: // ^xdoc.transform[stylesheet file_name]
823: // ^xdoc.transform[stylesheet file_name;params hash]
1.59 paf 824: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 825:
1.1 parser 826: }
1.5 parser 827:
828: void MXdoc::configure_admin(Request& r) {
829: }
830:
1.1 parser 831: // global variable
832:
833: Methoded *Xdoc_class;
834:
835: // creator
836:
837: #endif
838:
839: Methoded *MXdoc_create(Pool& pool) {
840: return
841: #ifdef XML
1.33 parser 842: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 843: #else
844: 0
845: #endif
846: ;
847: }
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