Annotation of parser3/src/classes/xdoc.C, revision 1.65
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:
1.65 ! paf 7: $Id: xdoc.C,v 1.64 2002/01/16 09:27:00 paf Exp $
1.1 parser 8: */
1.30 parser 9: #include "pa_types.h"
1.1 parser 10: #ifdef XML
11:
1.59 paf 12: #include "pa_stylesheet_connection.h"
13: #include "classes.h"
1.1 parser 14: #include "pa_request.h"
15: #include "pa_vxdoc.h"
1.53 paf 16: #include "pa_charset.h"
1.1 parser 17: #include "pa_vfile.h"
18: #include "xnode.h"
19:
1.59 paf 20: extern "C" {
21: #include "gdomecore/gdome-xml-node.h"
22: #include "gdomecore/gdome-xml-document.h"
23: };
24: #include "libxslt/transform.h"
1.61 paf 25: #include "libxslt/xsltutils.h"
1.59 paf 26:
1.1 parser 27: // defines
28:
29: #define XDOC_CLASS_NAME "xdoc"
30:
31: #define XDOC_OUTPUT_METHOD_OPTION_NAME "method"
32: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml"
33: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html"
34: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text"
35:
36: // class
37:
38: class MXdoc : public MXnode {
39: public: // VStateless_class
1.54 paf 40: Value *create_new_value(Pool& pool) { return new(pool) VXdoc(pool, 0); }
1.1 parser 41:
42: public:
43: MXdoc(Pool& pool);
44:
45: public: // Methoded
46: bool used_directly() { return true; }
1.5 parser 47: void configure_admin(Request& r);
1.1 parser 48: };
49:
1.61 paf 50: // helper classes
51:
52: class xmlOutputBuffer_auto_ptr {
53: public:
54: explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_P = 0)
55: : _Owns(_P != 0), _Ptr(_P) {}
56: xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y)
57: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
58: xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y)
59: {if (this != &_Y)
60: {if (_Ptr != _Y.get())
61: {if (_Owns && _Ptr)
62: xmlOutputBufferClose(_Ptr);
63: _Owns = _Y._Owns; }
64: else if (_Y._Owns)
65: _Owns = true;
66: _Ptr = _Y.release(); }
67: return (*this); }
68: ~xmlOutputBuffer_auto_ptr()
69: {if (_Owns && _Ptr)
70: xmlOutputBufferClose(_Ptr); }
71: xmlOutputBuffer& operator*() const
72: {return (*get()); }
73: xmlOutputBuffer *operator->() const
74: {return (get()); }
75: xmlOutputBuffer *get() const
76: {return (_Ptr); }
77: xmlOutputBuffer *release() const
78: {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false;
79: return (_Ptr); }
80: private:
81: bool _Owns;
82: xmlOutputBuffer *_Ptr;
83: };
84:
1.65 ! paf 85: class xsltTransformContext_auto_ptr {
! 86: public:
! 87: explicit xsltTransformContext_auto_ptr(xsltTransformContext *_P = 0)
! 88: : _Owns(_P != 0), _Ptr(_P) {}
! 89: xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y)
! 90: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
! 91: xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y)
! 92: {if (this != &_Y)
! 93: {if (_Ptr != _Y.get())
! 94: {if (_Owns && _Ptr)
! 95: xsltFreeTransformContext(_Ptr);
! 96: _Owns = _Y._Owns; }
! 97: else if (_Y._Owns)
! 98: _Owns = true;
! 99: _Ptr = _Y.release(); }
! 100: return (*this); }
! 101: ~xsltTransformContext_auto_ptr()
! 102: {if (_Owns && _Ptr)
! 103: xsltFreeTransformContext(_Ptr); }
! 104: xsltTransformContext& operator*() const
! 105: {return (*get()); }
! 106: xsltTransformContext *operator->() const
! 107: {return (get()); }
! 108: xsltTransformContext *get() const
! 109: {return (_Ptr); }
! 110: xsltTransformContext *release() const
! 111: {((xsltTransformContext_auto_ptr *)this)->_Owns = false;
! 112: return (_Ptr); }
! 113: private:
! 114: bool _Owns;
! 115: xsltTransformContext *_Ptr;
! 116: };
1.61 paf 117:
1.65 ! paf 118: class xsltStylesheet_auto_ptr {
! 119: public:
! 120: explicit xsltStylesheet_auto_ptr(xsltStylesheet *_P = 0)
! 121: : _Owns(_P != 0), _Ptr(_P) {}
! 122: xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y)
! 123: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
! 124: xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y)
! 125: {if (this != &_Y)
! 126: {if (_Ptr != _Y.get())
! 127: {if (_Owns && _Ptr)
! 128: xsltFreeStylesheet(_Ptr);
! 129: _Owns = _Y._Owns; }
! 130: else if (_Y._Owns)
! 131: _Owns = true;
! 132: _Ptr = _Y.release(); }
! 133: return (*this); }
! 134: ~xsltStylesheet_auto_ptr()
! 135: {if (_Owns && _Ptr)
! 136: xsltFreeStylesheet(_Ptr); }
! 137: xsltStylesheet& operator*() const
! 138: {return (*get()); }
! 139: xsltStylesheet *operator->() const
! 140: {return (get()); }
! 141: xsltStylesheet *get() const
! 142: {return (_Ptr); }
! 143: xsltStylesheet *release() const
! 144: {((xsltStylesheet_auto_ptr *)this)->_Owns = false;
! 145: return (_Ptr); }
! 146: private:
! 147: bool _Owns;
! 148: xsltStylesheet *_Ptr;
! 149: };
1.61 paf 150:
1.1 parser 151: // methods
152:
1.54 paf 153: static void writeNode(Request& r, const String& method_name, GdomeNode *node,
154: GdomeException exc) {
155: if(!node || exc)
156: throw Exception(0, 0,
157: &method_name,
158: exc);
159:
160: Pool& pool=r.pool();
161:
162: // write out result
163: VXnode& result=*new(pool) VXnode(pool, node);
164: r.write_no_lang(result);
165: }
166:
1.16 parser 167: // Element createElement(in DOMString tagName) raises(DOMException);
168: static void _createElement(Request& r, const String& method_name, MethodParams *params) {
169: Pool& pool=r.pool();
170: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
171:
1.39 paf 172: const String& tagName=params->as_string(0, "tagName must be string");
1.16 parser 173:
1.54 paf 174: GdomeException exc;
175: GdomeNode *node=
176: (GdomeNode *)gdome_doc_createElement(vdoc.get_document(&method_name),
1.57 paf 177: pool.transcode(tagName).get(),
1.54 paf 178: &exc);
179: writeNode(r, method_name, node, exc);
1.16 parser 180: }
181:
182: // DocumentFragment createDocumentFragment()
1.26 parser 183: static void _createDocumentFragment(Request& r, const String& method_name, MethodParams *) {
1.16 parser 184: Pool& pool=r.pool();
185: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
186:
1.54 paf 187: GdomeException exc;
188: GdomeNode *node=
189: (GdomeNode *)gdome_doc_createDocumentFragment(
190: vdoc.get_document(&method_name),
191: &exc);
192: writeNode(r, method_name, node, exc);
1.16 parser 193: }
194:
195: // Text createTextNode(in DOMString data);
196: static void _createTextNode(Request& r, const String& method_name, MethodParams *params) {
197: Pool& pool=r.pool();
198: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
199:
1.40 paf 200: const String& data=params->as_string(0, "data must be string");
1.16 parser 201:
1.54 paf 202: GdomeException exc;
203: GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode(
204: vdoc.get_document(&method_name),
1.57 paf 205: pool.transcode(data).get(),
1.54 paf 206: &exc);
207: writeNode(r, method_name, node, exc);
1.16 parser 208: }
209:
210: // Comment createComment(in DOMString data)
211: static void _createComment(Request& r, const String& method_name, MethodParams *params) {
212: Pool& pool=r.pool();
213: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
214:
1.26 parser 215: const String& data=params->as_string(0, "data must be string");
1.16 parser 216:
1.54 paf 217: GdomeException exc;
218: GdomeNode *node=(GdomeNode *)gdome_doc_createComment(
219: vdoc.get_document(&method_name),
1.57 paf 220: pool.transcode(data).get(),
1.54 paf 221: &exc);
222: writeNode(r, method_name, node, exc);
1.16 parser 223: }
224:
225: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
226: static void _createCDATASection(Request& r, const String& method_name, MethodParams *params) {
227: Pool& pool=r.pool();
228: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
229:
1.26 parser 230: const String& data=params->as_string(0, "data must be string");
1.16 parser 231:
1.54 paf 232: GdomeException exc;
233: GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection(
234: vdoc.get_document(&method_name),
1.57 paf 235: pool.transcode(data).get(),
1.54 paf 236: &exc);
237: writeNode(r, method_name, node, exc);
1.16 parser 238: }
239:
240: // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException);
241: static void _createProcessingInstruction(Request& r, const String& method_name, MethodParams *params) {
242: Pool& pool=r.pool();
243: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
244:
1.26 parser 245: const String& target=params->as_string(0, "data must be string");
246: const String& data=params->as_string(1, "data must be string");
1.16 parser 247:
1.54 paf 248: GdomeException exc;
249: GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction(
250: vdoc.get_document(&method_name),
1.57 paf 251: pool.transcode(target).get(),
252: pool.transcode(data).get(),
1.54 paf 253: &exc);
254: writeNode(r, method_name, node, exc);
1.16 parser 255: }
256:
257: // Attr createAttribute(in DOMString name) raises(DOMException);
258: static void _createAttribute(Request& r, const String& method_name, MethodParams *params) {
259: Pool& pool=r.pool();
260: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
261:
1.26 parser 262: const String& name=params->as_string(0, "name must be string");
1.16 parser 263:
1.54 paf 264: GdomeException exc;
265: GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute(
266: vdoc.get_document(&method_name),
1.57 paf 267: pool.transcode(name).get(),
1.54 paf 268: &exc);
269: writeNode(r, method_name, node, exc);
1.16 parser 270: }
271: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
272: static void _createEntityReference(Request& r, const String& method_name, MethodParams *params) {
273: Pool& pool=r.pool();
274: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
275:
1.26 parser 276: const String& name=params->as_string(0, "name must be string");
1.16 parser 277:
1.54 paf 278: GdomeException exc;
279: GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference(
280: vdoc.get_document(&method_name),
1.57 paf 281: pool.transcode(name).get(),
1.54 paf 282: &exc);
283: writeNode(r, method_name, node, exc);
1.16 parser 284: }
285:
286: static void _getElementsByTagName(Request& r, const String& method_name, MethodParams *params) {
287: Pool& pool=r.pool();
288: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
289:
1.54 paf 290: const String& name=params->as_string(0, "name must be string");
1.16 parser 291:
1.54 paf 292: GdomeException exc;
1.16 parser 293: VHash& result=*new(pool) VHash(pool);
1.54 paf 294: if(GdomeNodeList *nodes=
295: gdome_doc_getElementsByTagName(
296: vdoc.get_document(&method_name),
1.57 paf 297: pool.transcode(name).get(),
1.54 paf 298: &exc)) {
299: gulong length=gdome_nl_length(nodes, &exc);
300: for(gulong i=0; i<length; i++) {
1.16 parser 301: String& skey=*new(pool) String(pool);
302: {
303: char *buf=(char *)pool.malloc(MAX_NUMBER);
304: snprintf(buf, MAX_NUMBER, "%d", i);
305: skey << buf;
306: }
307:
1.54 paf 308: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
1.16 parser 309: }
310: }
311:
312: // write out result
313: r.write_no_lang(result);
314: }
315:
316: static void _getElementsByTagNameNS(Request& r, const String& method_name, MethodParams *params) {
317: Pool& pool=r.pool();
318: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
319:
320: // namespaceURI;localName
1.54 paf 321: const String& namespaceURI=params->as_string(0, "namespaceURI must be string");
322: const String& localName=params->as_string(0, "localName must be string");
1.16 parser 323:
1.54 paf 324: GdomeException exc;
1.16 parser 325: VHash& result=*new(pool) VHash(pool);
1.54 paf 326: if(GdomeNodeList *nodes=
327: gdome_doc_getElementsByTagNameNS(
328: vdoc.get_document(&method_name),
1.57 paf 329: pool.transcode(namespaceURI).get(),
330: pool.transcode(localName).get(),
1.54 paf 331: &exc)) {
332: gulong length=gdome_nl_length(nodes, &exc);
333: for(gulong i=0; i<length; i++) {
1.16 parser 334: String& skey=*new(pool) String(pool);
335: {
336: char *buf=(char *)pool.malloc(MAX_NUMBER);
337: snprintf(buf, MAX_NUMBER, "%d", i);
338: skey << buf;
339: }
340:
1.54 paf 341: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
1.16 parser 342: }
343: }
344:
1.54 paf 345:
1.16 parser 346: // write out result
347: r.write_no_lang(result);
348: }
349:
1.54 paf 350: static void _getElementById(Request& r, const String& method_name, MethodParams *params) {
351: Pool& pool=r.pool();
352: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.16 parser 353:
1.54 paf 354: // elementId
355: const String& elementId=params->as_string(0, "elementID must be string");
1.1 parser 356:
1.54 paf 357: GdomeException exc;
358: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
359: vdoc.get_document(&method_name),
1.57 paf 360: pool.transcode(elementId).get(),
1.54 paf 361: &exc)) {
362: // write out result
363: VXnode& result=*new(pool) VXnode(pool, node);
364: r.write_no_lang(result);
365: } else if(exc)
366: throw Exception(0, 0,
367: &method_name,
368: exc);
369: }
370: /*
371: GdomeNode *gdome_doc_importNode (GdomeDocument *self, GdomeNode *importedNode, GdomeBoolean deep, GdomeException *exc);
372: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
373: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
374: */
1.1 parser 375:
376:
1.54 paf 377: static void _create(Request& r, const String& method_name, MethodParams *params) {
378: //_asm int 3;
379: Pool& pool=r.pool();
380: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.1 parser 381:
1.54 paf 382: const String& qualifiedName=params->as_string(0, "qualifiedName must be string");
1.1 parser 383:
1.54 paf 384: GdomeException exc;
385: /*
386: GdomeDocumentType *documentType=gdome_di_createDocumentType (
387: docimpl,
388: pool.transcode(qualifiedName),
389: 0/*publicId* /,
390: 0/*systemId* /,
391: &exc);
392: if(!documentType || exc)
393: throw Exception(0, 0,
394: &method_name,
395: exc);
396: */
397: GdomeDocument *document=gdome_di_createDocument (domimpl,
398: 0/*namespaceURI*/,
1.57 paf 399: pool.transcode(qualifiedName).get(),
1.54 paf 400: 0/*doctype*/,
401: &exc);
402: if(!document || exc)
403: throw Exception(0, 0,
404: &method_name,
405: exc);
1.1 parser 406:
1.57 paf 407: /// +xalan createXMLDecl ?
1.9 parser 408:
1.54 paf 409: // replace any previous parsed source
410: vdoc.set_document(document);
411: }
1.9 parser 412:
1.56 paf 413: /// @test xmlSAXParseMemory(NULL<<error handler subst, buffer, size, 0)
1.54 paf 414: static void _set(Request& r, const String& method_name, MethodParams *params) {
415: // _asm int 3;
416: Pool& pool=r.pool();
417: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 418:
1.54 paf 419: Value& vxml=params->as_junction(0, "xml must be code");
420: Temp_lang temp_lang(r, String::UL_XML);
421: const String& xml=r.process(vxml).as_string();
1.9 parser 422:
1.54 paf 423: GdomeException exc;
424: GdomeDocument *document=gdome_di_createDocFromMemory(domimpl,
1.65 ! paf 425: xml.cstr(String::UL_UNSPECIFIED, r.connection(0)),
1.55 paf 426: GDOME_LOAD_PARSING
1.61 paf 427: /* GDOME_LOAD_VALIDATING pending until kill warning of no-dtd*/
1.54 paf 428: /*|GDOME_LOAD_SUBSTITUTE_ENTITIES */,
429: &exc);
430: if(!document || exc)
431: throw Exception(0, 0,
432: &method_name,
433: exc);
1.9 parser 434:
1.54 paf 435: // replace any previous parsed source
436: vdoc.set_document(document);
1.9 parser 437: }
438:
1.54 paf 439: static void _load(Request& r, const String& method_name, MethodParams *params) {
440: Pool& pool=r.pool();
441: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 442:
1.54 paf 443: // filespec
444: const String& file_name=params->as_string(0, "uri must be string");
445: const String& uri=r.absolute(file_name);
446:
447: GdomeException exc;
448: GdomeDocument *document=gdome_di_createDocFromURI(domimpl,
449: uri.cstr(),
1.55 paf 450: GDOME_LOAD_PARSING
1.61 paf 451: /* GDOME_LOAD_VALIDATING pending until kill warning of no-dtd*/
1.54 paf 452: /*|GDOME_LOAD_SUBSTITUTE_ENTITIES */,
453: &exc);
454: if(!document || exc)
455: throw Exception(0, 0,
456: &method_name,
457: exc);
1.9 parser 458:
1.54 paf 459: // replace any previous parsed source
460: vdoc.set_document(document);
1.9 parser 461: }
462:
1.46 paf 463: static void param_option_over_output_option(Pool& pool,
464: Hash *param_options, const char *option_name,
1.61 paf 465: const String *& output_option) {
466: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
467: option_name))))
468: output_option=&value->as_string();
1.46 paf 469: }
470: static void param_option_over_output_option(Pool& pool,
471: Hash *param_options, const char *option_name,
472: bool& output_option) {
473: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
474: String(pool, option_name)))) {
475: const String& s=value->as_string();
476: if(s=="yes")
477: output_option=true;
478: else if(s=="no")
479: output_option=false;
480: else
481: throw Exception(0, 0,
482: &s,
483: "%s must be either 'yes' or 'no'", option_name);
484: }
485: }
486:
1.61 paf 487: static void prepare_output_options(
488: Pool& pool, const String& method_name, MethodParams *params, int index,
489: VXdoc::Output_options& oo) {
1.46 paf 490: /*
491: <xsl:output
492: !method = "xml" | "html" | "text" | qname-but-not-ncname
493: !version = nmtoken
494: !encoding = string
495: !omit-xml-declaration = "yes" | "no"
496: !standalone = "yes" | "no"
497: !doctype-public = string
498: !doctype-system = string
499: cdata-section-elements = qnames
500: !indent = "yes" | "no"
501: !media-type = string />
1.61 paf 502: */
1.1 parser 503:
1.46 paf 504: // configuring with options from parameter...
1.1 parser 505: if(params->size()>index) {
1.20 parser 506: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 507: if(voptions.is_defined()) {
1.34 parser 508: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 509: // $.method[xml|html|text]
510: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
511: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 512: oo.method=&vmethod->as_string();
1.1 parser 513:
1.46 paf 514: // $.version[1.0]
515: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 516: // $.encoding[windows-1251|...]
1.46 paf 517: param_option_over_output_option(pool, options, "encoding", oo.encoding);
518: // $.omit-xml-declaration[yes|no]
1.61 paf 519: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 520: // $.standalone[yes|no]
521: param_option_over_output_option(pool, options, "standalone", oo.standalone);
522: // $.doctype-public[?]
523: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
524: // $.doctype-system[?]
525: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
526: // $.indent[yes|no]
1.61 paf 527: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 528: // $.media-type[text/{html|xml|plain}]
529: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 530: }
1.1 parser 531: }
532: }
533:
1.46 paf 534: // default encoding from pool
1.61 paf 535: if(!oo.encoding)
536: oo.encoding=&pool.get_source_charset().name();
1.46 paf 537: // default method=xml
538: if(!oo.method)
1.61 paf 539: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
540: // default mediaType = depending on method
541: if(!oo.mediaType) {
542: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
543: oo.mediaType=new(pool) String(pool, "text/xml");
544: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
545: oo.mediaType=new(pool) String(pool, "text/html");
546: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
547: oo.mediaType=new(pool) String(pool, "text/plain");
548: }
549: }
1.46 paf 550:
1.63 paf 551: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
552: const String& method_name, MethodParams *params, int index,
553: VXdoc::Output_options& oo,
554: const String *file_spec,
555: char **parser_buf, size_t *parser_size) {
556: prepare_output_options(pool, method_name, params, index,
1.61 paf 557: oo);
558:
1.63 paf 559: const char *encoding_cstr=oo.encoding->cstr();
560: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
561: if(!encoder)
562: throw Exception(0, 0,
563: &method_name,
564: "encoding '%s' not supported", encoding_cstr);
1.61 paf 565: // UTF-8 encoder contains empty input/output converters,
566: // which is wrong for xmlOutputBufferCreateIO
567: // while zero encoder goes perfectly
568: if(encoder && strcmp(encoder->name, "UTF-8")==0)
569: encoder=0;
570:
1.62 paf 571: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 572:
1.65 ! paf 573: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
! 574: if(!stylesheet.get())
1.61 paf 575: throw Exception(0, 0,
576: &method_name,
577: "xsltNewStylesheet failed");
578:
1.62 paf 579: #define OOS2STYLE(name) \
1.61 paf 580: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 581: #define OOE2STYLE(name) \
582: stylesheet->name=oo.name
1.61 paf 583:
1.62 paf 584: OOS2STYLE(method);
585: OOS2STYLE(encoding);
586: OOS2STYLE(mediaType);
587: OOS2STYLE(doctypeSystem);
588: OOS2STYLE(doctypePublic);
589: OOE2STYLE(indent);
590: OOS2STYLE(version);
591: OOE2STYLE(standalone);
592: OOE2STYLE(omitXmlDeclaration);
1.61 paf 593:
594: xmlDoc *document=((Gdome_xml_Document*)vdoc.get_document(&method_name))->n;
1.65 ! paf 595: xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get());
1.61 paf 596:
1.54 paf 597: // write out result
1.63 paf 598: char *gnome_buf; size_t gnome_size;
599: if(outputBuffer->conv) {
600: gnome_size=outputBuffer->conv->use;
1.62 paf 601: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 602: } else {
603: gnome_size=outputBuffer->buffer->use;
1.62 paf 604: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 605: }
606: if(file_spec)
607: file_write(pool,
608: *file_spec,
609: gnome_buf, gnome_size,
610: true/*as_text*/);
611: else {
612: *parser_size=gnome_size;
613: *parser_buf=(char *)pool.malloc(gnome_size);
614: memcpy(*parser_buf, gnome_buf, gnome_size);
615: }
1.1 parser 616: }
617:
618: static void _file(Request& r, const String& method_name, MethodParams *params) {
619: Pool& pool=r.pool();
1.46 paf 620: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.63 paf 621: VXdoc::Output_options oo(vdoc.output_options);
622: char *buf; size_t buf_size;
623: xdoc2buf(pool, vdoc, method_name, params, 0,
624: oo,
1.64 paf 625: 0/*not to file, to memory*/,
1.63 paf 626: &buf, &buf_size);
627: // write out result
628: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 629:
1.58 paf 630: // write out result
631: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 632: Value *vcontent_type;
1.58 paf 633: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 634: vhcontent_type->hash(&method_name).put(
635: *value_name,
636: new(pool) VString(*oo.mediaType));
637: vhcontent_type->hash(&method_name).put(
638: *new(pool) String(pool, "charset"),
639: new(pool) VString(*oo.encoding));
1.58 paf 640: vcontent_type=vhcontent_type;
641:
642: vfile.set(false/*tainted*/, buf, buf_size, 0/*file_name*/, vcontent_type);
643: r.write_no_lang(vfile);
1.63 paf 644: }
645:
646: static void _save(Request& r, const String& method_name, MethodParams *params) {
647: Pool& pool=r.pool();
648: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
649:
650: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
651:
652: VXdoc::Output_options oo(vdoc.output_options);
653: xdoc2buf(pool, vdoc, method_name, params, 1,
654: oo,
655: &file_spec,
656: 0, 0);
657: }
658:
659: static void _string(Request& r, const String& method_name, MethodParams *params) {
660: Pool& pool=r.pool();
661: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
662: VXdoc::Output_options oo(vdoc.output_options);
663: char *buf; size_t buf_size;
664: xdoc2buf(pool, vdoc, method_name, params, 0,
665: oo,
1.64 paf 666: 0/*not to file, to memory*/,
1.63 paf 667: &buf, &buf_size);
668: // write out result
669: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 670: }
1.58 paf 671:
1.1 parser 672: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
673: void *info) {
1.59 paf 674: Value *meaning=static_cast<Value *>(ameaning);
675: Pool& pool=meaning->pool();
676: const char **transform_params=(const char **)info;
677: *transform_params++=pool.transcode(aattribute)->str;
678: *transform_params++=pool.transcode(meaning->as_string())->str;
1.1 parser 679: }
1.24 parser 680: static void _transform(Request& r, const String& method_name, MethodParams *params) {
1.59 paf 681: //_asm int 3;
1.24 parser 682: Pool& pool=r.pool();
683: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
684:
685: // params
1.59 paf 686: const char **transform_params=0;
1.24 parser 687: if(params->size()>1) {
1.59 paf 688: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
1.24 parser 689: if(vparams.is_defined())
1.59 paf 690: if(Hash *params=vparams.get_hash(&method_name)) {
691: transform_params=
692: (const char **)pool.malloc(sizeof(const char *)*params->size()*2+1);
693: params->for_each(add_xslt_param, transform_params);
694: transform_params[params->size()*2]=0;
695: } else
1.29 parser 696: throw Exception(0, 0,
1.24 parser 697: &method_name,
698: "transform parameters parameter must be hash");
699: }
700:
701: // stylesheet
1.59 paf 702: const String& stylesheet_filespec=r.absolute(params->as_string(0, "file name must be string"));
1.65 ! paf 703: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
1.24 parser 704:
705: // transform
1.65 ! paf 706: xsltStylesheet *stylesheet=connection->stylesheet(false/*nocache*/);
1.59 paf 707: xmlDoc *document=((Gdome_xml_Document*)vdoc.get_document(&method_name))->n;
1.65 ! paf 708: xsltTransformContext_auto_ptr transformContext(
! 709: xsltNewTransformContext(stylesheet, document));
1.59 paf 710: xmlDoc *transformed=xsltApplyStylesheetUser(
711: stylesheet,
712: document,
713: transform_params,
714: 0/*const char *output*/,
715: 0/*FILE *profile*/,
1.65 ! paf 716: transformContext.get());
! 717: if(!transformed)
1.59 paf 718: throw Exception(0, 0,
719: &method_name,
720: "transform failed. TODO: show errors");
1.42 paf 721:
1.61 paf 722: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
723: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 724: // constructing result
725: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
726: if(!gdomeDocument)
727: throw Exception(0, 0,
728: &method_name,
729: "gdome_xml_doc_mkref failed");
730: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 731: /* grabbing options
732:
733: <xsl:output
734: !method = "xml" | "html" | "text"
735: X| qname-but-not-ncname
736: !version = nmtoken
737: !encoding = string
738: !omit-xml-declaration = "yes" | "no"
739: !standalone = "yes" | "no"
740: !doctype-public = string
741: !doctype-system = string
742: Xcdata-section-elements = qnames
743: !indent = "yes" | "no"
744: !media-type = string />
1.59 paf 745: */
746: memset(&result.output_options, 0, sizeof(result.output_options));
747: VXdoc::Output_options& oo=result.output_options;
748:
1.60 paf 749: oo.method=stylesheet->method?&pool.transcode(stylesheet->method):0;
750: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding):0;
751: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType):0;
752: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem):0;
753: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic):0;
1.59 paf 754: oo.indent=stylesheet->indent!=0;
1.60 paf 755: oo.version=stylesheet->version?&pool.transcode(stylesheet->version):0;
1.59 paf 756: oo.standalone=stylesheet->standalone!=0;
757: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
758:
759: // write out result
760: r.write_no_lang(result);
1.1 parser 761: }
762:
1.16 parser 763: // constructor
1.2 parser 764:
1.16 parser 765: MXdoc::MXdoc(Pool& apool) : MXnode(apool) {
766: set_name(*NEW String(pool(), XDOC_CLASS_NAME));
1.2 parser 767:
1.16 parser 768: /// @test how to create empty type html?
1.2 parser 769:
1.16 parser 770: /// DOM1
1.2 parser 771:
1.16 parser 772: // Element createElement(in DOMString tagName) raises(DOMException);
773: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
774: // DocumentFragment createDocumentFragment();
775: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
776: // Text createTextNode(in DOMString data);
777: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
778: // Comment createComment(in DOMString data);
779: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
780: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
781: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
782: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
783: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
784: // Attr createAttribute(in DOMString name) raises(DOMException);
785: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
786: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
787: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
788: // NodeList getElementsByTagName(in DOMString tagname);
1.54 paf 789: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
790: // ^xdoc.getElementsByTagNameNS[namespaceURI;localName] = array of nodes
791: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.2 parser 792:
1.16 parser 793: /// DOM2(?)
1.2 parser 794:
1.16 parser 795: // ^xdoc.getElementById[elementId]
796: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.1 parser 797:
1.16 parser 798: /// parser
799:
1.54 paf 800: // ^xdoc::create{qualifiedName}
801: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 1);
802: // ^xdoc::set[<some>xml</some>]
803: add_native_method("set", Method::CT_DYNAMIC, _set, 1, 1);
804:
805: // ^xdoc::load[some.xml]
806: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
807:
1.2 parser 808: // ^xdoc.save[some.xml]
809: // ^xdoc.save[some.xml;options hash]
1.1 parser 810: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
811:
1.2 parser 812: // ^xdoc.string[] <doc/>
813: // ^xdoc.string[options hash] <doc/>
1.1 parser 814: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
815:
1.2 parser 816: // ^xdoc.file[] file with "<doc/>"
817: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 818: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 819:
1.8 parser 820: // ^xdoc.transform[stylesheet file_name]
821: // ^xdoc.transform[stylesheet file_name;params hash]
1.59 paf 822: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 823:
1.1 parser 824: }
1.5 parser 825:
826: void MXdoc::configure_admin(Request& r) {
827: }
828:
1.1 parser 829: // global variable
830:
831: Methoded *Xdoc_class;
832:
833: // creator
834:
835: #endif
836:
837: Methoded *MXdoc_create(Pool& pool) {
838: return
839: #ifdef XML
1.33 parser 840: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 841: #else
842: 0
843: #endif
844: ;
845: }
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