Annotation of parser3/src/classes/xdoc.C, revision 1.94
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:
1.94 ! paf 7: $Id: xdoc.C,v 1.93 2002/06/25 15:08:09 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:
335:
1.54 paf 336: static void _create(Request& r, const String& method_name, MethodParams *params) {
337: //_asm int 3;
338: Pool& pool=r.pool();
339: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.1 parser 340:
1.83 paf 341: Value& param=params->get(0);
342: GdomeDocument *document;
343: if(param.get_junction()) { // {<tag/>}
344: Temp_lang temp_lang(r, String::UL_XML);
1.91 paf 345: const String& xml=r.process_to_string(param);
1.83 paf 346:
347: const char *cstr=xml.cstr(String::UL_UNSPECIFIED);
348: document=(GdomeDocument *)
349: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
350: cstr, strlen(cstr)
351: ));
352: if(!document || xmlHaveGenericErrors()) {
353: GdomeException exc=0;
1.87 paf 354: throw Exception(
1.83 paf 355: &method_name,
356: exc);
357: }
358: } else { // [name]
359: const String& qualifiedName=param.as_string();
1.1 parser 360:
1.83 paf 361: GdomeException exc;
362: /*
363: GdomeDocumentType *documentType=gdome_di_createDocumentType (
364: docimpl,
365: pool.transcode(qualifiedName),
366: 0/*publicId* /,
367: 0/*systemId* /,
368: &exc);
369: if(!documentType || exc || xmlHaveGenericErrors())
1.87 paf 370: throw Exception(
1.83 paf 371: &method_name,
372: exc);
373: */
374: document=gdome_di_createDocument (domimpl,
375: 0/*namespaceURI*/,
376: pool.transcode(qualifiedName).get(),
377: 0/*doctype*/,
378: &exc);
379: if(!document || exc || xmlHaveGenericErrors())
1.87 paf 380: throw Exception(
1.83 paf 381: &method_name,
382: exc);
1.9 parser 383:
1.83 paf 384: /// +xalan createXMLDecl ?
1.73 paf 385: }
1.54 paf 386: // replace any previous parsed source
387: vdoc.set_document(document);
1.9 parser 388: }
389:
1.54 paf 390: static void _load(Request& r, const String& method_name, MethodParams *params) {
391: Pool& pool=r.pool();
392: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 393:
1.54 paf 394: // filespec
395: const String& file_name=params->as_string(0, "uri must be string");
396: const String& uri=r.absolute(file_name);
397:
1.73 paf 398: GdomeDocument *document=(GdomeDocument *)
399: gdome_xml_n_mkref((xmlNode *)xmlParseFile(uri.cstr()));
400: if(!document || xmlHaveGenericErrors()) {
401: GdomeException exc=0;
1.87 paf 402: throw Exception(
1.69 paf 403: &uri,
1.54 paf 404: exc);
1.73 paf 405: }
1.9 parser 406:
1.54 paf 407: // replace any previous parsed source
408: vdoc.set_document(document);
1.9 parser 409: }
410:
1.46 paf 411: static void param_option_over_output_option(Pool& pool,
412: Hash *param_options, const char *option_name,
1.61 paf 413: const String *& output_option) {
414: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
415: option_name))))
416: output_option=&value->as_string();
1.46 paf 417: }
418: static void param_option_over_output_option(Pool& pool,
419: Hash *param_options, const char *option_name,
420: bool& output_option) {
421: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
422: String(pool, option_name)))) {
423: const String& s=value->as_string();
424: if(s=="yes")
425: output_option=true;
426: else if(s=="no")
427: output_option=false;
428: else
1.87 paf 429: throw Exception("parser.runtime",
1.46 paf 430: &s,
431: "%s must be either 'yes' or 'no'", option_name);
432: }
433: }
434:
1.61 paf 435: static void prepare_output_options(
436: Pool& pool, const String& method_name, MethodParams *params, int index,
437: VXdoc::Output_options& oo) {
1.46 paf 438: /*
439: <xsl:output
440: !method = "xml" | "html" | "text" | qname-but-not-ncname
441: !version = nmtoken
442: !encoding = string
443: !omit-xml-declaration = "yes" | "no"
444: !standalone = "yes" | "no"
445: !doctype-public = string
446: !doctype-system = string
447: cdata-section-elements = qnames
448: !indent = "yes" | "no"
449: !media-type = string />
1.61 paf 450: */
1.1 parser 451:
1.46 paf 452: // configuring with options from parameter...
1.1 parser 453: if(params->size()>index) {
1.20 parser 454: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 455: if(voptions.is_defined()) {
1.34 parser 456: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 457: // $.method[xml|html|text]
458: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
459: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 460: oo.method=&vmethod->as_string();
1.1 parser 461:
1.46 paf 462: // $.version[1.0]
463: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 464: // $.encoding[windows-1251|...]
1.46 paf 465: param_option_over_output_option(pool, options, "encoding", oo.encoding);
466: // $.omit-xml-declaration[yes|no]
1.61 paf 467: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 468: // $.standalone[yes|no]
469: param_option_over_output_option(pool, options, "standalone", oo.standalone);
470: // $.doctype-public[?]
471: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
472: // $.doctype-system[?]
473: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
474: // $.indent[yes|no]
1.61 paf 475: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 476: // $.media-type[text/{html|xml|plain}]
477: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 478: }
1.1 parser 479: }
480: }
481:
1.46 paf 482: // default encoding from pool
1.61 paf 483: if(!oo.encoding)
484: oo.encoding=&pool.get_source_charset().name();
1.46 paf 485: // default method=xml
486: if(!oo.method)
1.61 paf 487: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
488: // default mediaType = depending on method
489: if(!oo.mediaType) {
490: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
491: oo.mediaType=new(pool) String(pool, "text/xml");
492: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
493: oo.mediaType=new(pool) String(pool, "text/html");
494: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
495: oo.mediaType=new(pool) String(pool, "text/plain");
496: }
497: }
1.46 paf 498:
1.63 paf 499: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
500: const String& method_name, MethodParams *params, int index,
501: VXdoc::Output_options& oo,
502: const String *file_spec,
503: char **parser_buf, size_t *parser_size) {
504: prepare_output_options(pool, method_name, params, index,
1.61 paf 505: oo);
506:
1.63 paf 507: const char *encoding_cstr=oo.encoding->cstr();
508: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
509: if(!encoder)
1.87 paf 510: throw Exception("parser.runtime",
1.63 paf 511: &method_name,
512: "encoding '%s' not supported", encoding_cstr);
1.61 paf 513: // UTF-8 encoder contains empty input/output converters,
514: // which is wrong for xmlOutputBufferCreateIO
515: // while zero encoder goes perfectly
516: if(encoder && strcmp(encoder->name, "UTF-8")==0)
517: encoder=0;
518:
1.62 paf 519: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 520:
1.65 paf 521: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
522: if(!stylesheet.get())
1.87 paf 523: throw Exception(0,
1.61 paf 524: &method_name,
525: "xsltNewStylesheet failed");
526:
1.62 paf 527: #define OOS2STYLE(name) \
1.61 paf 528: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 529: #define OOE2STYLE(name) \
530: stylesheet->name=oo.name
1.61 paf 531:
1.62 paf 532: OOS2STYLE(method);
533: OOS2STYLE(encoding);
534: OOS2STYLE(mediaType);
535: OOS2STYLE(doctypeSystem);
536: OOS2STYLE(doctypePublic);
537: OOE2STYLE(indent);
538: OOS2STYLE(version);
539: OOE2STYLE(standalone);
540: OOE2STYLE(omitXmlDeclaration);
1.61 paf 541:
1.76 paf 542: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.81 paf 543: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 544: GdomeException exc=0;
1.87 paf 545: throw Exception(
1.75 paf 546: &method_name,
547: exc);
548: }
1.61 paf 549:
1.54 paf 550: // write out result
1.63 paf 551: char *gnome_buf; size_t gnome_size;
552: if(outputBuffer->conv) {
553: gnome_size=outputBuffer->conv->use;
1.62 paf 554: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 555: } else {
556: gnome_size=outputBuffer->buffer->use;
1.62 paf 557: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 558: }
559: if(file_spec)
1.77 paf 560: file_write(
1.63 paf 561: *file_spec,
562: gnome_buf, gnome_size,
563: true/*as_text*/);
1.74 paf 564: else if(*parser_size=gnome_size) {
1.63 paf 565: *parser_buf=(char *)pool.malloc(gnome_size);
566: memcpy(*parser_buf, gnome_buf, gnome_size);
1.74 paf 567: } else
568: *parser_buf=0;
1.1 parser 569: }
570:
571: static void _file(Request& r, const String& method_name, MethodParams *params) {
572: Pool& pool=r.pool();
1.46 paf 573: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.63 paf 574: VXdoc::Output_options oo(vdoc.output_options);
575: char *buf; size_t buf_size;
576: xdoc2buf(pool, vdoc, method_name, params, 0,
577: oo,
1.64 paf 578: 0/*not to file, to memory*/,
1.63 paf 579: &buf, &buf_size);
580: // write out result
581: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 582:
1.58 paf 583: // write out result
584: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 585: Value *vcontent_type;
1.58 paf 586: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 587: vhcontent_type->hash(&method_name).put(
588: *value_name,
589: new(pool) VString(*oo.mediaType));
590: vhcontent_type->hash(&method_name).put(
591: *new(pool) String(pool, "charset"),
592: new(pool) VString(*oo.encoding));
1.58 paf 593: vcontent_type=vhcontent_type;
594:
595: vfile.set(false/*tainted*/, buf, buf_size, 0/*file_name*/, vcontent_type);
596: r.write_no_lang(vfile);
1.63 paf 597: }
598:
599: static void _save(Request& r, const String& method_name, MethodParams *params) {
600: Pool& pool=r.pool();
601: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
602:
603: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
604:
605: VXdoc::Output_options oo(vdoc.output_options);
606: xdoc2buf(pool, vdoc, method_name, params, 1,
607: oo,
608: &file_spec,
609: 0, 0);
610: }
611:
612: static void _string(Request& r, const String& method_name, MethodParams *params) {
613: Pool& pool=r.pool();
614: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
615: VXdoc::Output_options oo(vdoc.output_options);
616: char *buf; size_t buf_size;
617: xdoc2buf(pool, vdoc, method_name, params, 0,
618: oo,
1.64 paf 619: 0/*not to file, to memory*/,
1.63 paf 620: &buf, &buf_size);
621: // write out result
622: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 623: }
1.58 paf 624:
1.1 parser 625: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
626: void *info) {
1.59 paf 627: Value *meaning=static_cast<Value *>(ameaning);
628: Pool& pool=meaning->pool();
1.89 paf 629: const char ** & current_transform_param=*(const char ***)info;
630: *current_transform_param++=pool.transcode(aattribute)->str;
631: *current_transform_param++=pool.transcode(meaning->as_string())->str;
1.1 parser 632: }
1.93 paf 633: static VXdoc& _transform(Pool& pool, const String *doc_source, const String *stylesheet_source,
634: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char **transform_params) {
635: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(doc_source));
1.65 paf 636: xsltTransformContext_auto_ptr transformContext(
637: xsltNewTransformContext(stylesheet, document));
1.90 paf 638: // make params literal
639: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
640: transformContext->globalVars = xmlHashCreate(20);
641: xsltQuoteUserParams(transformContext.get(), transform_params);
642: // do transform
1.59 paf 643: xmlDoc *transformed=xsltApplyStylesheetUser(
644: stylesheet,
645: document,
1.90 paf 646: 0/*already quoted-inserted transform_params*/,
1.59 paf 647: 0/*const char *output*/,
648: 0/*FILE *profile*/,
1.65 paf 649: transformContext.get());
1.66 paf 650: if(!transformed || xmlHaveGenericErrors()) {
651: GdomeException exc=0;
1.87 paf 652: throw Exception(
1.93 paf 653: stylesheet_source,
1.66 paf 654: exc);
655: }
1.42 paf 656:
1.61 paf 657: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
658: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 659: // constructing result
660: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
661: if(!gdomeDocument)
1.87 paf 662: throw Exception(0,
1.93 paf 663: doc_source,
1.59 paf 664: "gdome_xml_doc_mkref failed");
665: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 666: /* grabbing options
667:
668: <xsl:output
669: !method = "xml" | "html" | "text"
670: X| qname-but-not-ncname
671: !version = nmtoken
672: !encoding = string
673: !omit-xml-declaration = "yes" | "no"
674: !standalone = "yes" | "no"
675: !doctype-public = string
676: !doctype-system = string
677: Xcdata-section-elements = qnames
678: !indent = "yes" | "no"
679: !media-type = string />
1.59 paf 680: */
681: memset(&result.output_options, 0, sizeof(result.output_options));
682: VXdoc::Output_options& oo=result.output_options;
683:
1.60 paf 684: oo.method=stylesheet->method?&pool.transcode(stylesheet->method):0;
685: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding):0;
686: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType):0;
687: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem):0;
688: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic):0;
1.59 paf 689: oo.indent=stylesheet->indent!=0;
1.60 paf 690: oo.version=stylesheet->version?&pool.transcode(stylesheet->version):0;
1.59 paf 691: oo.standalone=stylesheet->standalone!=0;
692: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
693:
1.93 paf 694: // return
695: return result;
696: }
697: static void _transform(Request& r, const String& method_name, MethodParams *params) {
698: Pool& pool=r.pool();
699: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
700:
701: // params
702: const char **transform_params=0;
703: if(params->size()>1) {
704: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
705: if(vparams.is_defined())
706: if(Hash *params=vparams.get_hash(&method_name)) {
707: const char **current_transform_param=transform_params=
708: (const char **)pool.malloc(sizeof(const char *)*(params->size()*2+1));
709: params->for_each(add_xslt_param, ¤t_transform_param);
710: transform_params[params->size()*2]=0;
711: } else
712: throw Exception("parser.runtime",
713: &method_name,
714: "transform parameters parameter must be hash");
715: }
716:
717: VXdoc *result;
718: Value& vmaybe_xdoc=params->get(0);
719: if(strcmp(vmaybe_xdoc.type(), VXDOC_TYPE)==0) { // stylesheet (xdoc)
720: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
721: static_cast<VXdoc *>(&vmaybe_xdoc)->get_document(&method_name));
722: // compile xdoc stylesheet
1.94 ! paf 723: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
! 724: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
! 725: // we don't need that
! 726: stylesheet_ptr->doc=0;
1.93 paf 727: if(xmlHaveGenericErrors()) {
728: GdomeException exc=0;
729: throw Exception(&method_name, exc);
730: }
731: if(!stylesheet_ptr.get())
732: throw Exception("xml",
733: &method_name,
734: "stylesheet failed to compile");
735:
736: // transform!
737: result=&_transform(pool, &method_name, &method_name,
738: vdoc, stylesheet_ptr.get(),
739: transform_params);
740: } else { // stylesheet (file name)
741: // extablish stylesheet connection
742: const String& stylesheet_filespec=
743: r.absolute(params->as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
744: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
745:
746: // load and compile file to stylesheet [or get cached if any]
747: // transform!
748: result=&_transform(pool, &method_name, &stylesheet_filespec,
749: vdoc, connection->stylesheet(false/*nocache*/),
750: transform_params);
751: }
752:
1.59 paf 753: // write out result
1.93 paf 754: r.write_no_lang(*result);
1.1 parser 755: }
756:
1.16 parser 757: // constructor
1.2 parser 758:
1.92 paf 759: /// @test how to create empty type html?
760: MXdoc::MXdoc(Pool& apool) : MXnode(apool, XDOC_CLASS_NAME, Xnode_class) {
1.16 parser 761: /// DOM1
1.2 parser 762:
1.16 parser 763: // Element createElement(in DOMString tagName) raises(DOMException);
764: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
765: // DocumentFragment createDocumentFragment();
766: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
767: // Text createTextNode(in DOMString data);
768: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
769: // Comment createComment(in DOMString data);
770: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
771: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
772: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
773: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
774: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
775: // Attr createAttribute(in DOMString name) raises(DOMException);
776: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
777: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
778: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.2 parser 779:
1.79 paf 780: /// DOM2
1.2 parser 781:
1.16 parser 782: // ^xdoc.getElementById[elementId]
783: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 784:
785: // Node (in Node importedNode, in boolean deep) raises(DOMException)
786: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.1 parser 787:
1.16 parser 788: /// parser
789:
1.54 paf 790: // ^xdoc::create{qualifiedName}
1.83 paf 791: // ^xdoc::_create[<some>xml</some>]
1.54 paf 792: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 1);
1.83 paf 793: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
794: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 795:
796: // ^xdoc::load[some.xml]
797: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
798:
1.2 parser 799: // ^xdoc.save[some.xml]
800: // ^xdoc.save[some.xml;options hash]
1.1 parser 801: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
802:
1.2 parser 803: // ^xdoc.string[] <doc/>
804: // ^xdoc.string[options hash] <doc/>
1.1 parser 805: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
806:
1.2 parser 807: // ^xdoc.file[] file with "<doc/>"
808: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 809: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 810:
1.8 parser 811: // ^xdoc.transform[stylesheet file_name]
812: // ^xdoc.transform[stylesheet file_name;params hash]
1.59 paf 813: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 814:
1.1 parser 815: }
1.5 parser 816:
817: void MXdoc::configure_admin(Request& r) {
818: }
819:
1.1 parser 820: // global variable
821:
822: Methoded *Xdoc_class;
823:
824: // creator
825:
826: #endif
827:
828: Methoded *MXdoc_create(Pool& pool) {
829: return
830: #ifdef XML
1.33 parser 831: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 832: #else
833: 0
834: #endif
835: ;
836: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to xdoc.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / classes