Annotation of parser3/src/classes/xdoc.C, revision 1.73
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:
1.73 ! paf 7: $Id: xdoc.C,v 1.72 2002/01/23 13:07:53 paf Exp $
1.1 parser 8: */
1.30 parser 9: #include "pa_types.h"
1.1 parser 10: #ifdef XML
11:
1.69 paf 12: #include "gdome.h"
13: #include "libxml/tree.h"
14: extern "C" {
15: #include "gdomecore/gdome-xml-node.h"
16: #include "gdomecore/gdome-xml-document.h"
17: };
18: #include "libxslt/xsltInternals.h"
19: #include "libxslt/transform.h"
20: #include "libxslt/xsltutils.h"
21:
1.59 paf 22: #include "pa_stylesheet_connection.h"
23: #include "classes.h"
1.1 parser 24: #include "pa_request.h"
25: #include "pa_vxdoc.h"
1.53 paf 26: #include "pa_charset.h"
1.1 parser 27: #include "pa_vfile.h"
28: #include "xnode.h"
29:
1.59 paf 30:
1.1 parser 31: // defines
32:
33: #define XDOC_CLASS_NAME "xdoc"
34:
35: #define XDOC_OUTPUT_METHOD_OPTION_NAME "method"
36: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml"
37: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html"
38: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text"
39:
40: // class
41:
42: class MXdoc : public MXnode {
43: public: // VStateless_class
1.54 paf 44: Value *create_new_value(Pool& pool) { return new(pool) VXdoc(pool, 0); }
1.1 parser 45:
46: public:
47: MXdoc(Pool& pool);
48:
49: public: // Methoded
50: bool used_directly() { return true; }
1.5 parser 51: void configure_admin(Request& r);
1.1 parser 52: };
53:
1.61 paf 54: // helper classes
55:
56: class xmlOutputBuffer_auto_ptr {
57: public:
1.67 paf 58: explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_APtr = 0)
59: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.61 paf 60: xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y)
61: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
62: xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y)
63: {if (this != &_Y)
64: {if (_Ptr != _Y.get())
65: {if (_Owns && _Ptr)
66: xmlOutputBufferClose(_Ptr);
67: _Owns = _Y._Owns; }
68: else if (_Y._Owns)
69: _Owns = true;
70: _Ptr = _Y.release(); }
71: return (*this); }
72: ~xmlOutputBuffer_auto_ptr()
73: {if (_Owns && _Ptr)
74: xmlOutputBufferClose(_Ptr); }
75: xmlOutputBuffer& operator*() const
76: {return (*get()); }
77: xmlOutputBuffer *operator->() const
78: {return (get()); }
79: xmlOutputBuffer *get() const
80: {return (_Ptr); }
81: xmlOutputBuffer *release() const
82: {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false;
83: return (_Ptr); }
84: private:
85: bool _Owns;
86: xmlOutputBuffer *_Ptr;
87: };
88:
1.65 paf 89: class xsltTransformContext_auto_ptr {
90: public:
1.67 paf 91: explicit xsltTransformContext_auto_ptr(xsltTransformContext *_APtr = 0)
92: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 93: xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y)
94: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
95: xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y)
96: {if (this != &_Y)
97: {if (_Ptr != _Y.get())
98: {if (_Owns && _Ptr)
99: xsltFreeTransformContext(_Ptr);
100: _Owns = _Y._Owns; }
101: else if (_Y._Owns)
102: _Owns = true;
103: _Ptr = _Y.release(); }
104: return (*this); }
105: ~xsltTransformContext_auto_ptr()
106: {if (_Owns && _Ptr)
107: xsltFreeTransformContext(_Ptr); }
108: xsltTransformContext& operator*() const
109: {return (*get()); }
110: xsltTransformContext *operator->() const
111: {return (get()); }
112: xsltTransformContext *get() const
113: {return (_Ptr); }
114: xsltTransformContext *release() const
115: {((xsltTransformContext_auto_ptr *)this)->_Owns = false;
116: return (_Ptr); }
117: private:
118: bool _Owns;
119: xsltTransformContext *_Ptr;
120: };
1.61 paf 121:
1.65 paf 122: class xsltStylesheet_auto_ptr {
123: public:
1.67 paf 124: explicit xsltStylesheet_auto_ptr(xsltStylesheet *_APtr = 0)
125: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 126: xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y)
127: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
128: xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y)
129: {if (this != &_Y)
130: {if (_Ptr != _Y.get())
131: {if (_Owns && _Ptr)
132: xsltFreeStylesheet(_Ptr);
133: _Owns = _Y._Owns; }
134: else if (_Y._Owns)
135: _Owns = true;
136: _Ptr = _Y.release(); }
137: return (*this); }
138: ~xsltStylesheet_auto_ptr()
139: {if (_Owns && _Ptr)
140: xsltFreeStylesheet(_Ptr); }
141: xsltStylesheet& operator*() const
142: {return (*get()); }
143: xsltStylesheet *operator->() const
144: {return (get()); }
145: xsltStylesheet *get() const
146: {return (_Ptr); }
147: xsltStylesheet *release() const
148: {((xsltStylesheet_auto_ptr *)this)->_Owns = false;
149: return (_Ptr); }
150: private:
151: bool _Owns;
152: xsltStylesheet *_Ptr;
153: };
1.61 paf 154:
1.1 parser 155: // methods
156:
1.54 paf 157: static void writeNode(Request& r, const String& method_name, GdomeNode *node,
158: GdomeException exc) {
159: if(!node || exc)
160: throw Exception(0, 0,
161: &method_name,
162: exc);
163:
164: Pool& pool=r.pool();
165:
166: // write out result
167: VXnode& result=*new(pool) VXnode(pool, node);
168: r.write_no_lang(result);
169: }
170:
1.16 parser 171: // Element createElement(in DOMString tagName) raises(DOMException);
172: static void _createElement(Request& r, const String& method_name, MethodParams *params) {
173: Pool& pool=r.pool();
174: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
175:
1.39 paf 176: const String& tagName=params->as_string(0, "tagName must be string");
1.16 parser 177:
1.54 paf 178: GdomeException exc;
179: GdomeNode *node=
180: (GdomeNode *)gdome_doc_createElement(vdoc.get_document(&method_name),
1.57 paf 181: pool.transcode(tagName).get(),
1.54 paf 182: &exc);
183: writeNode(r, method_name, node, exc);
1.16 parser 184: }
185:
186: // DocumentFragment createDocumentFragment()
1.26 parser 187: static void _createDocumentFragment(Request& r, const String& method_name, MethodParams *) {
1.16 parser 188: Pool& pool=r.pool();
189: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
190:
1.54 paf 191: GdomeException exc;
192: GdomeNode *node=
193: (GdomeNode *)gdome_doc_createDocumentFragment(
194: vdoc.get_document(&method_name),
195: &exc);
196: writeNode(r, method_name, node, exc);
1.16 parser 197: }
198:
199: // Text createTextNode(in DOMString data);
200: static void _createTextNode(Request& r, const String& method_name, MethodParams *params) {
201: Pool& pool=r.pool();
202: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
203:
1.40 paf 204: const String& data=params->as_string(0, "data must be string");
1.16 parser 205:
1.54 paf 206: GdomeException exc;
207: GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode(
208: vdoc.get_document(&method_name),
1.57 paf 209: pool.transcode(data).get(),
1.54 paf 210: &exc);
211: writeNode(r, method_name, node, exc);
1.16 parser 212: }
213:
214: // Comment createComment(in DOMString data)
215: static void _createComment(Request& r, const String& method_name, MethodParams *params) {
216: Pool& pool=r.pool();
217: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
218:
1.26 parser 219: const String& data=params->as_string(0, "data must be string");
1.16 parser 220:
1.54 paf 221: GdomeException exc;
222: GdomeNode *node=(GdomeNode *)gdome_doc_createComment(
223: vdoc.get_document(&method_name),
1.57 paf 224: pool.transcode(data).get(),
1.54 paf 225: &exc);
226: writeNode(r, method_name, node, exc);
1.16 parser 227: }
228:
229: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
230: static void _createCDATASection(Request& r, const String& method_name, MethodParams *params) {
231: Pool& pool=r.pool();
232: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
233:
1.26 parser 234: const String& data=params->as_string(0, "data must be string");
1.16 parser 235:
1.54 paf 236: GdomeException exc;
237: GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection(
238: vdoc.get_document(&method_name),
1.57 paf 239: pool.transcode(data).get(),
1.54 paf 240: &exc);
241: writeNode(r, method_name, node, exc);
1.16 parser 242: }
243:
244: // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException);
245: static void _createProcessingInstruction(Request& r, const String& method_name, MethodParams *params) {
246: Pool& pool=r.pool();
247: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
248:
1.26 parser 249: const String& target=params->as_string(0, "data must be string");
250: const String& data=params->as_string(1, "data must be string");
1.16 parser 251:
1.54 paf 252: GdomeException exc;
253: GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction(
254: vdoc.get_document(&method_name),
1.57 paf 255: pool.transcode(target).get(),
256: pool.transcode(data).get(),
1.54 paf 257: &exc);
258: writeNode(r, method_name, node, exc);
1.16 parser 259: }
260:
261: // Attr createAttribute(in DOMString name) raises(DOMException);
262: static void _createAttribute(Request& r, const String& method_name, MethodParams *params) {
263: Pool& pool=r.pool();
264: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
265:
1.26 parser 266: const String& name=params->as_string(0, "name must be string");
1.16 parser 267:
1.54 paf 268: GdomeException exc;
269: GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute(
270: vdoc.get_document(&method_name),
1.57 paf 271: pool.transcode(name).get(),
1.54 paf 272: &exc);
273: writeNode(r, method_name, node, exc);
1.16 parser 274: }
275: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
276: static void _createEntityReference(Request& r, const String& method_name, MethodParams *params) {
277: Pool& pool=r.pool();
278: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
279:
1.26 parser 280: const String& name=params->as_string(0, "name must be string");
1.16 parser 281:
1.54 paf 282: GdomeException exc;
283: GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference(
284: vdoc.get_document(&method_name),
1.57 paf 285: pool.transcode(name).get(),
1.54 paf 286: &exc);
287: writeNode(r, method_name, node, exc);
1.16 parser 288: }
289:
290: static void _getElementsByTagName(Request& r, const String& method_name, MethodParams *params) {
291: Pool& pool=r.pool();
292: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
293:
1.54 paf 294: const String& name=params->as_string(0, "name must be string");
1.16 parser 295:
1.54 paf 296: GdomeException exc;
1.16 parser 297: VHash& result=*new(pool) VHash(pool);
1.54 paf 298: if(GdomeNodeList *nodes=
299: gdome_doc_getElementsByTagName(
300: vdoc.get_document(&method_name),
1.57 paf 301: pool.transcode(name).get(),
1.54 paf 302: &exc)) {
303: gulong length=gdome_nl_length(nodes, &exc);
304: for(gulong i=0; i<length; i++) {
1.16 parser 305: String& skey=*new(pool) String(pool);
306: {
307: char *buf=(char *)pool.malloc(MAX_NUMBER);
308: snprintf(buf, MAX_NUMBER, "%d", i);
309: skey << buf;
310: }
311:
1.54 paf 312: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
1.16 parser 313: }
314: }
315:
316: // write out result
317: r.write_no_lang(result);
318: }
319:
320: static void _getElementsByTagNameNS(Request& r, const String& method_name, MethodParams *params) {
321: Pool& pool=r.pool();
322: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
323:
324: // namespaceURI;localName
1.54 paf 325: const String& namespaceURI=params->as_string(0, "namespaceURI must be string");
326: const String& localName=params->as_string(0, "localName must be string");
1.16 parser 327:
1.54 paf 328: GdomeException exc;
1.16 parser 329: VHash& result=*new(pool) VHash(pool);
1.54 paf 330: if(GdomeNodeList *nodes=
331: gdome_doc_getElementsByTagNameNS(
332: vdoc.get_document(&method_name),
1.57 paf 333: pool.transcode(namespaceURI).get(),
334: pool.transcode(localName).get(),
1.54 paf 335: &exc)) {
336: gulong length=gdome_nl_length(nodes, &exc);
337: for(gulong i=0; i<length; i++) {
1.16 parser 338: String& skey=*new(pool) String(pool);
339: {
340: char *buf=(char *)pool.malloc(MAX_NUMBER);
341: snprintf(buf, MAX_NUMBER, "%d", i);
342: skey << buf;
343: }
344:
1.54 paf 345: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
1.16 parser 346: }
347: }
348:
1.54 paf 349:
1.16 parser 350: // write out result
351: r.write_no_lang(result);
352: }
353:
1.54 paf 354: static void _getElementById(Request& r, const String& method_name, MethodParams *params) {
355: Pool& pool=r.pool();
356: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.16 parser 357:
1.54 paf 358: // elementId
359: const String& elementId=params->as_string(0, "elementID must be string");
1.1 parser 360:
1.54 paf 361: GdomeException exc;
362: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
363: vdoc.get_document(&method_name),
1.57 paf 364: pool.transcode(elementId).get(),
1.54 paf 365: &exc)) {
366: // write out result
367: VXnode& result=*new(pool) VXnode(pool, node);
368: r.write_no_lang(result);
1.66 paf 369: } else if(exc || xmlHaveGenericErrors())
1.54 paf 370: throw Exception(0, 0,
371: &method_name,
372: exc);
373: }
374: /*
375: GdomeNode *gdome_doc_importNode (GdomeDocument *self, GdomeNode *importedNode, GdomeBoolean deep, GdomeException *exc);
376: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
377: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
378: */
1.1 parser 379:
380:
1.54 paf 381: static void _create(Request& r, const String& method_name, MethodParams *params) {
382: //_asm int 3;
383: Pool& pool=r.pool();
384: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.1 parser 385:
1.54 paf 386: const String& qualifiedName=params->as_string(0, "qualifiedName must be string");
1.1 parser 387:
1.54 paf 388: GdomeException exc;
389: /*
390: GdomeDocumentType *documentType=gdome_di_createDocumentType (
391: docimpl,
392: pool.transcode(qualifiedName),
393: 0/*publicId* /,
394: 0/*systemId* /,
395: &exc);
1.66 paf 396: if(!documentType || exc || xmlHaveGenericErrors())
1.54 paf 397: throw Exception(0, 0,
398: &method_name,
399: exc);
400: */
401: GdomeDocument *document=gdome_di_createDocument (domimpl,
402: 0/*namespaceURI*/,
1.57 paf 403: pool.transcode(qualifiedName).get(),
1.54 paf 404: 0/*doctype*/,
405: &exc);
1.66 paf 406: if(!document || exc || xmlHaveGenericErrors())
1.54 paf 407: throw Exception(0, 0,
408: &method_name,
409: exc);
1.1 parser 410:
1.57 paf 411: /// +xalan createXMLDecl ?
1.9 parser 412:
1.54 paf 413: // replace any previous parsed source
414: vdoc.set_document(document);
415: }
1.9 parser 416:
1.54 paf 417: static void _set(Request& r, const String& method_name, MethodParams *params) {
418: // _asm int 3;
419: Pool& pool=r.pool();
420: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 421:
1.54 paf 422: Value& vxml=params->as_junction(0, "xml must be code");
423: Temp_lang temp_lang(r, String::UL_XML);
424: const String& xml=r.process(vxml).as_string();
1.9 parser 425:
1.73 ! paf 426: GdomeDocument *document=(GdomeDocument *)
! 427: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
! 428: xml.cstr(String::UL_AS_IS), xml.size()
! 429: ));
! 430: if(!document || xmlHaveGenericErrors()) {
! 431: GdomeException exc=0;
1.54 paf 432: throw Exception(0, 0,
433: &method_name,
434: exc);
1.73 ! paf 435: }
1.9 parser 436:
1.54 paf 437: // replace any previous parsed source
438: vdoc.set_document(document);
1.9 parser 439: }
440:
1.54 paf 441: static void _load(Request& r, const String& method_name, MethodParams *params) {
442: Pool& pool=r.pool();
443: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.9 parser 444:
1.54 paf 445: // filespec
446: const String& file_name=params->as_string(0, "uri must be string");
447: const String& uri=r.absolute(file_name);
448:
1.73 ! paf 449: GdomeDocument *document=(GdomeDocument *)
! 450: gdome_xml_n_mkref((xmlNode *)xmlParseFile(uri.cstr()));
! 451: if(!document || xmlHaveGenericErrors()) {
! 452: GdomeException exc=0;
1.54 paf 453: throw Exception(0, 0,
1.69 paf 454: &uri,
1.54 paf 455: exc);
1.73 ! paf 456: }
1.9 parser 457:
1.54 paf 458: // replace any previous parsed source
459: vdoc.set_document(document);
1.9 parser 460: }
461:
1.46 paf 462: static void param_option_over_output_option(Pool& pool,
463: Hash *param_options, const char *option_name,
1.61 paf 464: const String *& output_option) {
465: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
466: option_name))))
467: output_option=&value->as_string();
1.46 paf 468: }
469: static void param_option_over_output_option(Pool& pool,
470: Hash *param_options, const char *option_name,
471: bool& output_option) {
472: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
473: String(pool, option_name)))) {
474: const String& s=value->as_string();
475: if(s=="yes")
476: output_option=true;
477: else if(s=="no")
478: output_option=false;
479: else
480: throw Exception(0, 0,
481: &s,
482: "%s must be either 'yes' or 'no'", option_name);
483: }
484: }
485:
1.61 paf 486: static void prepare_output_options(
487: Pool& pool, const String& method_name, MethodParams *params, int index,
488: VXdoc::Output_options& oo) {
1.46 paf 489: /*
490: <xsl:output
491: !method = "xml" | "html" | "text" | qname-but-not-ncname
492: !version = nmtoken
493: !encoding = string
494: !omit-xml-declaration = "yes" | "no"
495: !standalone = "yes" | "no"
496: !doctype-public = string
497: !doctype-system = string
498: cdata-section-elements = qnames
499: !indent = "yes" | "no"
500: !media-type = string />
1.61 paf 501: */
1.1 parser 502:
1.46 paf 503: // configuring with options from parameter...
1.1 parser 504: if(params->size()>index) {
1.20 parser 505: Value& voptions=params->as_no_junction(index, "options must be string");
1.1 parser 506: if(voptions.is_defined()) {
1.34 parser 507: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 508: // $.method[xml|html|text]
509: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
510: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 511: oo.method=&vmethod->as_string();
1.1 parser 512:
1.46 paf 513: // $.version[1.0]
514: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 515: // $.encoding[windows-1251|...]
1.46 paf 516: param_option_over_output_option(pool, options, "encoding", oo.encoding);
517: // $.omit-xml-declaration[yes|no]
1.61 paf 518: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 519: // $.standalone[yes|no]
520: param_option_over_output_option(pool, options, "standalone", oo.standalone);
521: // $.doctype-public[?]
522: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
523: // $.doctype-system[?]
524: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
525: // $.indent[yes|no]
1.61 paf 526: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 527: // $.media-type[text/{html|xml|plain}]
528: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 529: }
1.1 parser 530: }
531: }
532:
1.46 paf 533: // default encoding from pool
1.61 paf 534: if(!oo.encoding)
535: oo.encoding=&pool.get_source_charset().name();
1.46 paf 536: // default method=xml
537: if(!oo.method)
1.61 paf 538: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
539: // default mediaType = depending on method
540: if(!oo.mediaType) {
541: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
542: oo.mediaType=new(pool) String(pool, "text/xml");
543: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
544: oo.mediaType=new(pool) String(pool, "text/html");
545: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
546: oo.mediaType=new(pool) String(pool, "text/plain");
547: }
548: }
1.46 paf 549:
1.63 paf 550: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
551: const String& method_name, MethodParams *params, int index,
552: VXdoc::Output_options& oo,
553: const String *file_spec,
554: char **parser_buf, size_t *parser_size) {
555: prepare_output_options(pool, method_name, params, index,
1.61 paf 556: oo);
557:
1.63 paf 558: const char *encoding_cstr=oo.encoding->cstr();
559: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
560: if(!encoder)
561: throw Exception(0, 0,
562: &method_name,
563: "encoding '%s' not supported", encoding_cstr);
1.61 paf 564: // UTF-8 encoder contains empty input/output converters,
565: // which is wrong for xmlOutputBufferCreateIO
566: // while zero encoder goes perfectly
567: if(encoder && strcmp(encoder->name, "UTF-8")==0)
568: encoder=0;
569:
1.62 paf 570: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 571:
1.65 paf 572: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
573: if(!stylesheet.get())
1.61 paf 574: throw Exception(0, 0,
575: &method_name,
576: "xsltNewStylesheet failed");
577:
1.62 paf 578: #define OOS2STYLE(name) \
1.61 paf 579: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 580: #define OOE2STYLE(name) \
581: stylesheet->name=oo.name
1.61 paf 582:
1.62 paf 583: OOS2STYLE(method);
584: OOS2STYLE(encoding);
585: OOS2STYLE(mediaType);
586: OOS2STYLE(doctypeSystem);
587: OOS2STYLE(doctypePublic);
588: OOE2STYLE(indent);
589: OOS2STYLE(version);
590: OOE2STYLE(standalone);
591: OOE2STYLE(omitXmlDeclaration);
1.61 paf 592:
593: xmlDoc *document=((Gdome_xml_Document*)vdoc.get_document(&method_name))->n;
1.65 paf 594: xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get());
1.61 paf 595:
1.54 paf 596: // write out result
1.63 paf 597: char *gnome_buf; size_t gnome_size;
598: if(outputBuffer->conv) {
599: gnome_size=outputBuffer->conv->use;
1.62 paf 600: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 601: } else {
602: gnome_size=outputBuffer->buffer->use;
1.62 paf 603: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 604: }
605: if(file_spec)
606: file_write(pool,
607: *file_spec,
608: gnome_buf, gnome_size,
609: true/*as_text*/);
610: else {
611: *parser_size=gnome_size;
612: *parser_buf=(char *)pool.malloc(gnome_size);
613: memcpy(*parser_buf, gnome_buf, gnome_size);
614: }
1.1 parser 615: }
616:
617: static void _file(Request& r, const String& method_name, MethodParams *params) {
618: Pool& pool=r.pool();
1.46 paf 619: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
1.63 paf 620: VXdoc::Output_options oo(vdoc.output_options);
621: char *buf; size_t buf_size;
622: xdoc2buf(pool, vdoc, method_name, params, 0,
623: oo,
1.64 paf 624: 0/*not to file, to memory*/,
1.63 paf 625: &buf, &buf_size);
626: // write out result
627: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 628:
1.58 paf 629: // write out result
630: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 631: Value *vcontent_type;
1.58 paf 632: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 633: vhcontent_type->hash(&method_name).put(
634: *value_name,
635: new(pool) VString(*oo.mediaType));
636: vhcontent_type->hash(&method_name).put(
637: *new(pool) String(pool, "charset"),
638: new(pool) VString(*oo.encoding));
1.58 paf 639: vcontent_type=vhcontent_type;
640:
641: vfile.set(false/*tainted*/, buf, buf_size, 0/*file_name*/, vcontent_type);
642: r.write_no_lang(vfile);
1.63 paf 643: }
644:
645: static void _save(Request& r, const String& method_name, MethodParams *params) {
646: Pool& pool=r.pool();
647: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
648:
649: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
650:
651: VXdoc::Output_options oo(vdoc.output_options);
652: xdoc2buf(pool, vdoc, method_name, params, 1,
653: oo,
654: &file_spec,
655: 0, 0);
656: }
657:
658: static void _string(Request& r, const String& method_name, MethodParams *params) {
659: Pool& pool=r.pool();
660: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
661: VXdoc::Output_options oo(vdoc.output_options);
662: char *buf; size_t buf_size;
663: xdoc2buf(pool, vdoc, method_name, params, 0,
664: oo,
1.64 paf 665: 0/*not to file, to memory*/,
1.63 paf 666: &buf, &buf_size);
667: // write out result
668: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 669: }
1.58 paf 670:
1.1 parser 671: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
672: void *info) {
1.59 paf 673: Value *meaning=static_cast<Value *>(ameaning);
674: Pool& pool=meaning->pool();
675: const char **transform_params=(const char **)info;
676: *transform_params++=pool.transcode(aattribute)->str;
677: *transform_params++=pool.transcode(meaning->as_string())->str;
1.1 parser 678: }
1.24 parser 679: static void _transform(Request& r, const String& method_name, MethodParams *params) {
1.59 paf 680: //_asm int 3;
1.24 parser 681: Pool& pool=r.pool();
682: VXdoc& vdoc=*static_cast<VXdoc *>(r.self);
683:
684: // params
1.59 paf 685: const char **transform_params=0;
1.24 parser 686: if(params->size()>1) {
1.59 paf 687: Value& vparams=params->as_no_junction(1, "transform parameters must be hash");
1.24 parser 688: if(vparams.is_defined())
1.59 paf 689: if(Hash *params=vparams.get_hash(&method_name)) {
690: transform_params=
691: (const char **)pool.malloc(sizeof(const char *)*params->size()*2+1);
692: params->for_each(add_xslt_param, transform_params);
693: transform_params[params->size()*2]=0;
694: } else
1.29 parser 695: throw Exception(0, 0,
1.24 parser 696: &method_name,
697: "transform parameters parameter must be hash");
698: }
699:
700: // stylesheet
1.59 paf 701: const String& stylesheet_filespec=r.absolute(params->as_string(0, "file name must be string"));
1.65 paf 702: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
1.24 parser 703:
704: // transform
1.65 paf 705: xsltStylesheet *stylesheet=connection->stylesheet(false/*nocache*/);
1.59 paf 706: xmlDoc *document=((Gdome_xml_Document*)vdoc.get_document(&method_name))->n;
1.65 paf 707: xsltTransformContext_auto_ptr transformContext(
708: xsltNewTransformContext(stylesheet, document));
1.59 paf 709: xmlDoc *transformed=xsltApplyStylesheetUser(
710: stylesheet,
711: document,
712: transform_params,
713: 0/*const char *output*/,
714: 0/*FILE *profile*/,
1.65 paf 715: transformContext.get());
1.66 paf 716: if(!transformed || xmlHaveGenericErrors()) {
717: GdomeException exc=0;
1.59 paf 718: throw Exception(0, 0,
1.68 paf 719: &stylesheet_filespec,
1.66 paf 720: exc);
721: }
1.42 paf 722:
1.61 paf 723: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
724: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 725: // constructing result
726: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
727: if(!gdomeDocument)
728: throw Exception(0, 0,
729: &method_name,
730: "gdome_xml_doc_mkref failed");
731: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 732: /* grabbing options
733:
734: <xsl:output
735: !method = "xml" | "html" | "text"
736: X| qname-but-not-ncname
737: !version = nmtoken
738: !encoding = string
739: !omit-xml-declaration = "yes" | "no"
740: !standalone = "yes" | "no"
741: !doctype-public = string
742: !doctype-system = string
743: Xcdata-section-elements = qnames
744: !indent = "yes" | "no"
745: !media-type = string />
1.59 paf 746: */
747: memset(&result.output_options, 0, sizeof(result.output_options));
748: VXdoc::Output_options& oo=result.output_options;
749:
1.60 paf 750: oo.method=stylesheet->method?&pool.transcode(stylesheet->method):0;
751: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding):0;
752: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType):0;
753: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem):0;
754: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic):0;
1.59 paf 755: oo.indent=stylesheet->indent!=0;
1.60 paf 756: oo.version=stylesheet->version?&pool.transcode(stylesheet->version):0;
1.59 paf 757: oo.standalone=stylesheet->standalone!=0;
758: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
759:
760: // write out result
761: r.write_no_lang(result);
1.1 parser 762: }
763:
1.16 parser 764: // constructor
1.2 parser 765:
1.16 parser 766: MXdoc::MXdoc(Pool& apool) : MXnode(apool) {
767: set_name(*NEW String(pool(), XDOC_CLASS_NAME));
1.2 parser 768:
1.16 parser 769: /// @test how to create empty type html?
1.2 parser 770:
1.16 parser 771: /// DOM1
1.2 parser 772:
1.16 parser 773: // Element createElement(in DOMString tagName) raises(DOMException);
774: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
775: // DocumentFragment createDocumentFragment();
776: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
777: // Text createTextNode(in DOMString data);
778: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
779: // Comment createComment(in DOMString data);
780: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
781: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
782: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
783: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
784: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
785: // Attr createAttribute(in DOMString name) raises(DOMException);
786: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
787: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
788: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
789: // NodeList getElementsByTagName(in DOMString tagname);
1.54 paf 790: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
791: // ^xdoc.getElementsByTagNameNS[namespaceURI;localName] = array of nodes
792: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.2 parser 793:
1.16 parser 794: /// DOM2(?)
1.2 parser 795:
1.16 parser 796: // ^xdoc.getElementById[elementId]
797: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.1 parser 798:
1.16 parser 799: /// parser
800:
1.54 paf 801: // ^xdoc::create{qualifiedName}
802: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 1);
803: // ^xdoc::set[<some>xml</some>]
804: add_native_method("set", Method::CT_DYNAMIC, _set, 1, 1);
805:
806: // ^xdoc::load[some.xml]
807: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1);
808:
1.2 parser 809: // ^xdoc.save[some.xml]
810: // ^xdoc.save[some.xml;options hash]
1.1 parser 811: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
812:
1.2 parser 813: // ^xdoc.string[] <doc/>
814: // ^xdoc.string[options hash] <doc/>
1.1 parser 815: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
816:
1.2 parser 817: // ^xdoc.file[] file with "<doc/>"
818: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 819: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 820:
1.8 parser 821: // ^xdoc.transform[stylesheet file_name]
822: // ^xdoc.transform[stylesheet file_name;params hash]
1.59 paf 823: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 824:
1.1 parser 825: }
1.5 parser 826:
827: void MXdoc::configure_admin(Request& r) {
828: }
829:
1.1 parser 830: // global variable
831:
832: Methoded *Xdoc_class;
833:
834: // creator
835:
836: #endif
837:
838: Methoded *MXdoc_create(Pool& pool) {
839: return
840: #ifdef XML
1.33 parser 841: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 842: #else
843: 0
844: #endif
845: ;
846: }
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