Annotation of parser3/src/classes/xdoc.C, revision 1.82
1.1 parser 1: /** @file
1.2 parser 2: Parser: @b xdoc parser class.
1.1 parser 3:
4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.43 paf 5: Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
1.1 parser 6:
1.82 ! paf 7: $Id: xdoc.C,v 1.81 2002/01/30 09:43:12 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"
1.59 paf 28:
1.1 parser 29: // defines
30:
31: #define XDOC_CLASS_NAME "xdoc"
32:
33: #define XDOC_OUTPUT_METHOD_OPTION_NAME "method"
34: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml"
35: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html"
36: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text"
37:
38: // class
39:
40: class MXdoc : public MXnode {
41: public: // VStateless_class
1.54 paf 42: Value *create_new_value(Pool& pool) { return new(pool) VXdoc(pool, 0); }
1.1 parser 43:
44: public:
45: MXdoc(Pool& pool);
46:
47: public: // Methoded
48: bool used_directly() { return true; }
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)
158: throw Exception(0, 0,
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:
288: static void _getElementsByTagName(Request& r, const String& method_name, MethodParams *params) {
289: Pool& pool=r.pool();
290: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
291:
1.54 paf 292: const String& name=params->as_string(0, "name must be string");
1.16 parser 293:
1.54 paf 294: GdomeException exc;
1.16 parser 295: VHash& result=*new(pool) VHash(pool);
1.54 paf 296: if(GdomeNodeList *nodes=
297: gdome_doc_getElementsByTagName(
298: vdoc.get_document(&method_name),
1.57 paf 299: pool.transcode(name).get(),
1.54 paf 300: &exc)) {
301: gulong length=gdome_nl_length(nodes, &exc);
302: for(gulong i=0; i<length; i++) {
1.16 parser 303: String& skey=*new(pool) String(pool);
304: {
305: char *buf=(char *)pool.malloc(MAX_NUMBER);
306: snprintf(buf, MAX_NUMBER, "%d", i);
307: skey << buf;
308: }
309:
1.54 paf 310: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
1.16 parser 311: }
312: }
313:
314: // write out result
315: r.write_no_lang(result);
316: }
317:
318: static void _getElementsByTagNameNS(Request& r, const String& method_name, MethodParams *params) {
319: Pool& pool=r.pool();
320: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
321:
322: // namespaceURI;localName
1.54 paf 323: const String& namespaceURI=params->as_string(0, "namespaceURI must be string");
324: const String& localName=params->as_string(0, "localName must be string");
1.16 parser 325:
1.54 paf 326: GdomeException exc;
1.16 parser 327: VHash& result=*new(pool) VHash(pool);
1.54 paf 328: if(GdomeNodeList *nodes=
329: gdome_doc_getElementsByTagNameNS(
330: vdoc.get_document(&method_name),
1.57 paf 331: pool.transcode(namespaceURI).get(),
332: pool.transcode(localName).get(),
1.54 paf 333: &exc)) {
334: gulong length=gdome_nl_length(nodes, &exc);
335: for(gulong i=0; i<length; i++) {
1.16 parser 336: String& skey=*new(pool) String(pool);
337: {
338: char *buf=(char *)pool.malloc(MAX_NUMBER);
339: snprintf(buf, MAX_NUMBER, "%d", i);
340: skey << buf;
341: }
342:
1.54 paf 343: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
1.16 parser 344: }
345: }
346:
1.54 paf 347:
1.16 parser 348: // write out result
349: r.write_no_lang(result);
350: }
351:
1.54 paf 352: static void _getElementById(Request& r, const String& method_name, MethodParams *params) {
353: Pool& pool=r.pool();
354: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.16 parser 355:
1.54 paf 356: // elementId
357: const String& elementId=params->as_string(0, "elementID must be string");
1.1 parser 358:
1.54 paf 359: GdomeException exc;
360: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
361: vdoc.get_document(&method_name),
1.57 paf 362: pool.transcode(elementId).get(),
1.54 paf 363: &exc)) {
364: // write out result
365: VXnode& result=*new(pool) VXnode(pool, node);
366: r.write_no_lang(result);
1.66 paf 367: } else if(exc || xmlHaveGenericErrors())
1.54 paf 368: throw Exception(0, 0,
369: &method_name,
370: exc);
371: }
1.79 paf 372:
373: static void _importNode(Request& r, const String& method_name, MethodParams *params) {
374: Pool& pool=r.pool();
375: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
376:
377: GdomeNode *importedNode=
378: as_node(pool, method_name, params, 0, "importedNode must be node");
379: bool deep=
380: params->as_bool(1, "deep must be bool", r);
381:
382: GdomeException exc;
383: GdomeNode *outputNode=gdome_doc_importNode(vdoc.get_document(&method_name),
384: importedNode,
385: deep, &exc);
386: if(exc)
387: throw Exception(0, 0,
388: &method_name,
389: exc);
390:
391: // write out result
392: r.write_no_lang(*new(pool) VXnode(pool, outputNode));
393: }
1.54 paf 394: /*
395: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
396: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
397: */
1.1 parser 398:
399:
1.54 paf 400: static void _create(Request& r, const String& method_name, MethodParams *params) {
401: //_asm int 3;
402: Pool& pool=r.pool();
403: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.1 parser 404:
1.54 paf 405: const String& qualifiedName=params->as_string(0, "qualifiedName must be string");
1.1 parser 406:
1.54 paf 407: GdomeException exc;
408: /*
409: GdomeDocumentType *documentType=gdome_di_createDocumentType (
410: docimpl,
411: pool.transcode(qualifiedName),
412: 0/*publicId* /,
413: 0/*systemId* /,
414: &exc);
1.66 paf 415: if(!documentType || exc || xmlHaveGenericErrors())
1.54 paf 416: throw Exception(0, 0,
417: &method_name,
418: exc);
419: */
420: GdomeDocument *document=gdome_di_createDocument (domimpl,
421: 0/*namespaceURI*/,
1.57 paf 422: pool.transcode(qualifiedName).get(),
1.54 paf 423: 0/*doctype*/,
424: &exc);
1.66 paf 425: if(!document || exc || xmlHaveGenericErrors())
1.54 paf 426: throw Exception(0, 0,
427: &method_name,
428: exc);
1.1 parser 429:
1.57 paf 430: /// +xalan createXMLDecl ?
1.9 parser 431:
1.54 paf 432: // replace any previous parsed source
433: vdoc.set_document(document);
434: }
1.9 parser 435:
1.54 paf 436: static void _set(Request& r, const String& method_name, MethodParams *params) {
437: // _asm int 3;
438: Pool& pool=r.pool();
439: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 440:
1.54 paf 441: Value& vxml=params->as_junction(0, "xml must be code");
442: Temp_lang temp_lang(r, String::UL_XML);
443: const String& xml=r.process(vxml).as_string();
1.9 parser 444:
1.78 paf 445: const char *cstr=xml.cstr(String::UL_UNSPECIFIED);
1.73 paf 446: GdomeDocument *document=(GdomeDocument *)
447: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
1.78 paf 448: cstr, strlen(cstr)
1.73 paf 449: ));
450: if(!document || xmlHaveGenericErrors()) {
451: GdomeException exc=0;
1.54 paf 452: throw Exception(0, 0,
453: &method_name,
454: exc);
1.73 paf 455: }
1.9 parser 456:
1.54 paf 457: // replace any previous parsed source
458: vdoc.set_document(document);
1.9 parser 459: }
460:
1.54 paf 461: static void _load(Request& r, const String& method_name, MethodParams *params) {
462: Pool& pool=r.pool();
463: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 464:
1.54 paf 465: // filespec
466: const String& file_name=params->as_string(0, "uri must be string");
467: const String& uri=r.absolute(file_name);
468:
1.73 paf 469: GdomeDocument *document=(GdomeDocument *)
470: gdome_xml_n_mkref((xmlNode *)xmlParseFile(uri.cstr()));
471: if(!document || xmlHaveGenericErrors()) {
472: GdomeException exc=0;
1.54 paf 473: throw Exception(0, 0,
1.69 paf 474: &uri,
1.54 paf 475: exc);
1.73 paf 476: }
1.9 parser 477:
1.54 paf 478: // replace any previous parsed source
479: vdoc.set_document(document);
1.9 parser 480: }
481:
1.46 paf 482: static void param_option_over_output_option(Pool& pool,
483: Hash *param_options, const char *option_name,
1.61 paf 484: const String *& output_option) {
485: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
486: option_name))))
487: output_option=&value->as_string();
1.46 paf 488: }
489: static void param_option_over_output_option(Pool& pool,
490: Hash *param_options, const char *option_name,
491: bool& output_option) {
492: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
493: String(pool, option_name)))) {
494: const String& s=value->as_string();
495: if(s=="yes")
496: output_option=true;
497: else if(s=="no")
498: output_option=false;
499: else
500: throw Exception(0, 0,
501: &s,
502: "%s must be either 'yes' or 'no'", option_name);
503: }
504: }
505:
1.61 paf 506: static void prepare_output_options(
507: Pool& pool, const String& method_name, MethodParams *params, int index,
508: VXdoc::Output_options& oo) {
1.46 paf 509: /*
510: <xsl:output
511: !method = "xml" | "html" | "text" | qname-but-not-ncname
512: !version = nmtoken
513: !encoding = string
514: !omit-xml-declaration = "yes" | "no"
515: !standalone = "yes" | "no"
516: !doctype-public = string
517: !doctype-system = string
518: cdata-section-elements = qnames
519: !indent = "yes" | "no"
520: !media-type = string />
1.61 paf 521: */
1.1 parser 522:
1.46 paf 523: // configuring with options from parameter...
1.1 parser 524: if(params->size()>index) {
1.20 parser 525: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 526: if(voptions.is_defined()) {
1.34 parser 527: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 528: // $.method[xml|html|text]
529: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
530: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 531: oo.method=&vmethod->as_string();
1.1 parser 532:
1.46 paf 533: // $.version[1.0]
534: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 535: // $.encoding[windows-1251|...]
1.46 paf 536: param_option_over_output_option(pool, options, "encoding", oo.encoding);
537: // $.omit-xml-declaration[yes|no]
1.61 paf 538: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 539: // $.standalone[yes|no]
540: param_option_over_output_option(pool, options, "standalone", oo.standalone);
541: // $.doctype-public[?]
542: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
543: // $.doctype-system[?]
544: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
545: // $.indent[yes|no]
1.61 paf 546: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 547: // $.media-type[text/{html|xml|plain}]
548: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 549: }
1.1 parser 550: }
551: }
552:
1.46 paf 553: // default encoding from pool
1.61 paf 554: if(!oo.encoding)
555: oo.encoding=&pool.get_source_charset().name();
1.46 paf 556: // default method=xml
557: if(!oo.method)
1.61 paf 558: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
559: // default mediaType = depending on method
560: if(!oo.mediaType) {
561: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
562: oo.mediaType=new(pool) String(pool, "text/xml");
563: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
564: oo.mediaType=new(pool) String(pool, "text/html");
565: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
566: oo.mediaType=new(pool) String(pool, "text/plain");
567: }
568: }
1.46 paf 569:
1.63 paf 570: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
571: const String& method_name, MethodParams *params, int index,
572: VXdoc::Output_options& oo,
573: const String *file_spec,
574: char **parser_buf, size_t *parser_size) {
575: prepare_output_options(pool, method_name, params, index,
1.61 paf 576: oo);
577:
1.63 paf 578: const char *encoding_cstr=oo.encoding->cstr();
579: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
580: if(!encoder)
581: throw Exception(0, 0,
582: &method_name,
583: "encoding '%s' not supported", encoding_cstr);
1.61 paf 584: // UTF-8 encoder contains empty input/output converters,
585: // which is wrong for xmlOutputBufferCreateIO
586: // while zero encoder goes perfectly
587: if(encoder && strcmp(encoder->name, "UTF-8")==0)
588: encoder=0;
589:
1.62 paf 590: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 591:
1.65 paf 592: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
593: if(!stylesheet.get())
1.61 paf 594: throw Exception(0, 0,
595: &method_name,
596: "xsltNewStylesheet failed");
597:
1.62 paf 598: #define OOS2STYLE(name) \
1.61 paf 599: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 600: #define OOE2STYLE(name) \
601: stylesheet->name=oo.name
1.61 paf 602:
1.62 paf 603: OOS2STYLE(method);
604: OOS2STYLE(encoding);
605: OOS2STYLE(mediaType);
606: OOS2STYLE(doctypeSystem);
607: OOS2STYLE(doctypePublic);
608: OOE2STYLE(indent);
609: OOS2STYLE(version);
610: OOE2STYLE(standalone);
611: OOE2STYLE(omitXmlDeclaration);
1.61 paf 612:
1.76 paf 613: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.81 paf 614: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 615: GdomeException exc=0;
616: throw Exception(0, 0,
617: &method_name,
618: exc);
619: }
1.61 paf 620:
1.54 paf 621: // write out result
1.63 paf 622: char *gnome_buf; size_t gnome_size;
623: if(outputBuffer->conv) {
624: gnome_size=outputBuffer->conv->use;
1.62 paf 625: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 626: } else {
627: gnome_size=outputBuffer->buffer->use;
1.62 paf 628: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 629: }
630: if(file_spec)
1.77 paf 631: file_write(
1.63 paf 632: *file_spec,
633: gnome_buf, gnome_size,
634: true/*as_text*/);
1.74 paf 635: else if(*parser_size=gnome_size) {
1.63 paf 636: *parser_buf=(char *)pool.malloc(gnome_size);
637: memcpy(*parser_buf, gnome_buf, gnome_size);
1.74 paf 638: } else
639: *parser_buf=0;
1.1 parser 640: }
641:
642: static void _file(Request& r, const String& method_name, MethodParams *params) {
643: Pool& pool=r.pool();
1.46 paf 644: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.63 paf 645: VXdoc::Output_options oo(vdoc.output_options);
646: char *buf; size_t buf_size;
647: xdoc2buf(pool, vdoc, method_name, params, 0,
648: oo,
1.64 paf 649: 0/*not to file, to memory*/,
1.63 paf 650: &buf, &buf_size);
651: // write out result
652: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 653:
1.58 paf 654: // write out result
655: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 656: Value *vcontent_type;
1.58 paf 657: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 658: vhcontent_type->hash(&method_name).put(
659: *value_name,
660: new(pool) VString(*oo.mediaType));
661: vhcontent_type->hash(&method_name).put(
662: *new(pool) String(pool, "charset"),
663: new(pool) VString(*oo.encoding));
1.58 paf 664: vcontent_type=vhcontent_type;
665:
666: vfile.set(false/*tainted*/, buf, buf_size, 0/*file_name*/, vcontent_type);
667: r.write_no_lang(vfile);
1.63 paf 668: }
669:
670: static void _save(Request& r, const String& method_name, MethodParams *params) {
671: Pool& pool=r.pool();
672: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
673:
674: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
675:
676: VXdoc::Output_options oo(vdoc.output_options);
677: xdoc2buf(pool, vdoc, method_name, params, 1,
678: oo,
679: &file_spec,
680: 0, 0);
681: }
682:
683: static void _string(Request& r, const String& method_name, MethodParams *params) {
684: Pool& pool=r.pool();
685: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
686: VXdoc::Output_options oo(vdoc.output_options);
687: char *buf; size_t buf_size;
688: xdoc2buf(pool, vdoc, method_name, params, 0,
689: oo,
1.64 paf 690: 0/*not to file, to memory*/,
1.63 paf 691: &buf, &buf_size);
692: // write out result
693: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 694: }
1.58 paf 695:
1.1 parser 696: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
697: void *info) {
1.59 paf 698: Value *meaning=static_cast<Value *>(ameaning);
699: Pool& pool=meaning->pool();
700: const char **transform_params=(const char **)info;
701: *transform_params++=pool.transcode(aattribute)->str;
702: *transform_params++=pool.transcode(meaning->as_string())->str;
1.1 parser 703: }
1.24 parser 704: static void _transform(Request& r, const String& method_name, MethodParams *params) {
1.59 paf 705: //_asm int 3;
1.24 parser 706: Pool& pool=r.pool();
707: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
708:
709: // params
1.59 paf 710: const char **transform_params=0;
1.24 parser 711: if(params->size()>1) {
1.59 paf 712: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
1.24 parser 713: if(vparams.is_defined())
1.59 paf 714: if(Hash *params=vparams.get_hash(&method_name)) {
715: transform_params=
716: (const char **)pool.malloc(sizeof(const char *)*params->size()*2+1);
717: params->for_each(add_xslt_param, transform_params);
718: transform_params[params->size()*2]=0;
719: } else
1.29 parser 720: throw Exception(0, 0,
1.24 parser 721: &method_name,
722: "transform parameters parameter must be hash");
723: }
724:
725: // stylesheet
1.59 paf 726: const String& stylesheet_filespec=r.absolute(params->as_string(0, "file name must be string"));
1.65 paf 727: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
1.24 parser 728:
729: // transform
1.65 paf 730: xsltStylesheet *stylesheet=connection->stylesheet(false/*nocache*/);
1.76 paf 731: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.65 paf 732: xsltTransformContext_auto_ptr transformContext(
733: xsltNewTransformContext(stylesheet, document));
1.59 paf 734: xmlDoc *transformed=xsltApplyStylesheetUser(
735: stylesheet,
736: document,
737: transform_params,
738: 0/*const char *output*/,
739: 0/*FILE *profile*/,
1.65 paf 740: transformContext.get());
1.66 paf 741: if(!transformed || xmlHaveGenericErrors()) {
742: GdomeException exc=0;
1.59 paf 743: throw Exception(0, 0,
1.68 paf 744: &stylesheet_filespec,
1.66 paf 745: exc);
746: }
1.42 paf 747:
1.61 paf 748: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
749: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 750: // constructing result
751: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
752: if(!gdomeDocument)
753: throw Exception(0, 0,
754: &method_name,
755: "gdome_xml_doc_mkref failed");
756: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 757: /* grabbing options
758:
759: <xsl:output
760: !method = "xml" | "html" | "text"
761: X| qname-but-not-ncname
762: !version = nmtoken
763: !encoding = string
764: !omit-xml-declaration = "yes" | "no"
765: !standalone = "yes" | "no"
766: !doctype-public = string
767: !doctype-system = string
768: Xcdata-section-elements = qnames
769: !indent = "yes" | "no"
770: !media-type = string />
1.59 paf 771: */
772: memset(&result.output_options, 0, sizeof(result.output_options));
773: VXdoc::Output_options& oo=result.output_options;
774:
1.60 paf 775: oo.method=stylesheet->method?&pool.transcode(stylesheet->method):0;
776: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding):0;
777: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType):0;
778: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem):0;
779: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic):0;
1.59 paf 780: oo.indent=stylesheet->indent!=0;
1.60 paf 781: oo.version=stylesheet->version?&pool.transcode(stylesheet->version):0;
1.59 paf 782: oo.standalone=stylesheet->standalone!=0;
783: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
784:
785: // write out result
786: r.write_no_lang(result);
1.1 parser 787: }
788:
1.16 parser 789: // constructor
1.2 parser 790:
1.16 parser 791: MXdoc::MXdoc(Pool& apool) : MXnode(apool) {
792: set_name(*NEW String(pool(), XDOC_CLASS_NAME));
1.2 parser 793:
1.16 parser 794: /// @test how to create empty type html?
1.2 parser 795:
1.16 parser 796: /// DOM1
1.2 parser 797:
1.16 parser 798: // Element createElement(in DOMString tagName) raises(DOMException);
799: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
800: // DocumentFragment createDocumentFragment();
801: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
802: // Text createTextNode(in DOMString data);
803: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
804: // Comment createComment(in DOMString data);
805: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
806: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
807: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
808: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
809: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
810: // Attr createAttribute(in DOMString name) raises(DOMException);
811: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
812: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
813: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
814: // NodeList getElementsByTagName(in DOMString tagname);
1.54 paf 815: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
816: // ^xdoc.getElementsByTagNameNS[namespaceURI;localName] = array of nodes
817: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.2 parser 818:
1.79 paf 819: /// DOM2
1.2 parser 820:
1.16 parser 821: // ^xdoc.getElementById[elementId]
822: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 823:
824: // Node (in Node importedNode, in boolean deep) raises(DOMException)
825: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.1 parser 826:
1.16 parser 827: /// parser
828:
1.54 paf 829: // ^xdoc::create{qualifiedName}
830: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 1);
831: // ^xdoc::set[<some>xml</some>]
832: add_native_method("set", Method::CT_DYNAMIC, _set, 1, 1);
833:
834: // ^xdoc::load[some.xml]
835: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
836:
1.2 parser 837: // ^xdoc.save[some.xml]
838: // ^xdoc.save[some.xml;options hash]
1.1 parser 839: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
840:
1.2 parser 841: // ^xdoc.string[] <doc/>
842: // ^xdoc.string[options hash] <doc/>
1.1 parser 843: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
844:
1.2 parser 845: // ^xdoc.file[] file with "<doc/>"
846: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 847: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 848:
1.8 parser 849: // ^xdoc.transform[stylesheet file_name]
850: // ^xdoc.transform[stylesheet file_name;params hash]
1.59 paf 851: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 852:
1.1 parser 853: }
1.5 parser 854:
855: void MXdoc::configure_admin(Request& r) {
856: }
857:
1.1 parser 858: // global variable
859:
860: Methoded *Xdoc_class;
861:
862: // creator
863:
864: #endif
865:
866: Methoded *MXdoc_create(Pool& pool) {
867: return
868: #ifdef XML
1.33 parser 869: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 870: #else
871: 0
872: #endif
873: ;
874: }
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