Annotation of parser3/src/classes/xdoc.C, revision 1.108.2.6
1.1 parser 1: /** @file
1.2 parser 2: Parser: @b xdoc parser class.
1.1 parser 3:
1.108.2.2 paf 4: Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
1.85 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.96 paf 6: */
1.1 parser 7:
1.80 paf 8: #include "classes.h"
1.1 parser 9: #ifdef XML
1.96 paf 10:
1.108.2.6! paf 11: static const char* IDENT_XDOC_C="$Date: 2003/02/04 15:15:02 $";
1.108.2.4 paf 12:
13: #include "pa_vmethod_frame.h"
1.1 parser 14:
1.82 paf 15: #include "pa_stylesheet_connection.h"
16: #include "pa_request.h"
17: #include "pa_vxdoc.h"
18: #include "pa_charset.h"
19: #include "pa_vfile.h"
20: #include "xnode.h"
21:
1.69 paf 22: #include "gdome.h"
23: #include "libxml/tree.h"
24: extern "C" {
25: #include "gdomecore/gdome-xml-node.h"
26: #include "gdomecore/gdome-xml-document.h"
27: };
28: #include "libxslt/xsltInternals.h"
29: #include "libxslt/transform.h"
30: #include "libxslt/xsltutils.h"
1.90 paf 31: #include "libxslt/variables.h"
1.59 paf 32:
1.1 parser 33: // defines
34:
35: #define XDOC_CLASS_NAME "xdoc"
36:
37: #define XDOC_OUTPUT_METHOD_OPTION_NAME "method"
38: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml"
39: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html"
40: #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text"
41:
42: // class
43:
44: class MXdoc : public MXnode {
45: public: // VStateless_class
1.108.2.1 paf 46: ValuePtr create_new_value() { return ValuePtr(new VXdoc(0); }
1.1 parser 47:
48: public:
49: MXdoc(Pool& pool);
50:
51: public: // Methoded
1.5 parser 52: void configure_admin(Request& r);
1.1 parser 53: };
54:
1.61 paf 55: // helper classes
56:
57: class xmlOutputBuffer_auto_ptr {
58: public:
1.67 paf 59: explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_APtr = 0)
60: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.61 paf 61: xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y)
62: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
63: xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y)
64: {if (this != &_Y)
65: {if (_Ptr != _Y.get())
66: {if (_Owns && _Ptr)
67: xmlOutputBufferClose(_Ptr);
68: _Owns = _Y._Owns; }
69: else if (_Y._Owns)
70: _Owns = true;
71: _Ptr = _Y.release(); }
72: return (*this); }
73: ~xmlOutputBuffer_auto_ptr()
74: {if (_Owns && _Ptr)
75: xmlOutputBufferClose(_Ptr); }
76: xmlOutputBuffer& operator*() const
77: {return (*get()); }
78: xmlOutputBuffer *operator->() const
79: {return (get()); }
80: xmlOutputBuffer *get() const
81: {return (_Ptr); }
82: xmlOutputBuffer *release() const
83: {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false;
84: return (_Ptr); }
85: private:
86: bool _Owns;
87: xmlOutputBuffer *_Ptr;
88: };
89:
1.65 paf 90: class xsltTransformContext_auto_ptr {
91: public:
1.67 paf 92: explicit xsltTransformContext_auto_ptr(xsltTransformContext *_APtr = 0)
93: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 94: xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y)
95: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
96: xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y)
97: {if (this != &_Y)
98: {if (_Ptr != _Y.get())
99: {if (_Owns && _Ptr)
100: xsltFreeTransformContext(_Ptr);
101: _Owns = _Y._Owns; }
102: else if (_Y._Owns)
103: _Owns = true;
104: _Ptr = _Y.release(); }
105: return (*this); }
106: ~xsltTransformContext_auto_ptr()
107: {if (_Owns && _Ptr)
108: xsltFreeTransformContext(_Ptr); }
109: xsltTransformContext& operator*() const
110: {return (*get()); }
111: xsltTransformContext *operator->() const
112: {return (get()); }
113: xsltTransformContext *get() const
114: {return (_Ptr); }
115: xsltTransformContext *release() const
116: {((xsltTransformContext_auto_ptr *)this)->_Owns = false;
117: return (_Ptr); }
118: private:
119: bool _Owns;
120: xsltTransformContext *_Ptr;
121: };
1.61 paf 122:
1.65 paf 123: class xsltStylesheet_auto_ptr {
124: public:
1.67 paf 125: explicit xsltStylesheet_auto_ptr(xsltStylesheet *_APtr = 0)
126: : _Owns(_APtr != 0), _Ptr(_APtr) {}
1.65 paf 127: xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y)
128: : _Owns(_Y._Owns), _Ptr(_Y.release()) {}
129: xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y)
130: {if (this != &_Y)
131: {if (_Ptr != _Y.get())
132: {if (_Owns && _Ptr)
133: xsltFreeStylesheet(_Ptr);
134: _Owns = _Y._Owns; }
135: else if (_Y._Owns)
136: _Owns = true;
137: _Ptr = _Y.release(); }
138: return (*this); }
139: ~xsltStylesheet_auto_ptr()
140: {if (_Owns && _Ptr)
141: xsltFreeStylesheet(_Ptr); }
142: xsltStylesheet& operator*() const
143: {return (*get()); }
144: xsltStylesheet *operator->() const
145: {return (get()); }
146: xsltStylesheet *get() const
147: {return (_Ptr); }
148: xsltStylesheet *release() const
149: {((xsltStylesheet_auto_ptr *)this)->_Owns = false;
150: return (_Ptr); }
151: private:
152: bool _Owns;
153: xsltStylesheet *_Ptr;
154: };
1.61 paf 155:
1.1 parser 156: // methods
157:
1.54 paf 158: static void writeNode(Request& r, const String& method_name, GdomeNode *node,
159: GdomeException exc) {
160: if(!node || exc)
1.87 paf 161: throw Exception(
1.108.2.5 paf 162: method_name,
1.54 paf 163: exc);
164:
165: Pool& pool=r.pool();
166:
167: // write out result
168: VXnode& result=*new(pool) VXnode(pool, node);
169: r.write_no_lang(result);
170: }
171:
1.16 parser 172: // Element createElement(in DOMString tagName) raises(DOMException);
1.108.2.3 paf 173: static void _createElement(Request& r, StringPtr method_name, MethodParams& params) {
1.16 parser 174: Pool& pool=r.pool();
1.101 paf 175: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 176:
1.108.2.3 paf 177: const String& tagName=params.as_string(0, "tagName must be string");
1.16 parser 178:
1.54 paf 179: GdomeException exc;
180: GdomeNode *node=
181: (GdomeNode *)gdome_doc_createElement(vdoc.get_document(&method_name),
1.57 paf 182: pool.transcode(tagName).get(),
1.54 paf 183: &exc);
184: writeNode(r, method_name, node, exc);
1.16 parser 185: }
186:
187: // DocumentFragment createDocumentFragment()
1.108.2.3 paf 188: static void _createDocumentFragment(Request& r, StringPtr method_name, MethodParams& ) {
1.16 parser 189: Pool& pool=r.pool();
1.101 paf 190: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 191:
1.54 paf 192: GdomeException exc;
193: GdomeNode *node=
194: (GdomeNode *)gdome_doc_createDocumentFragment(
195: vdoc.get_document(&method_name),
196: &exc);
197: writeNode(r, method_name, node, exc);
1.16 parser 198: }
199:
200: // Text createTextNode(in DOMString data);
1.108.2.3 paf 201: static void _createTextNode(Request& r, StringPtr method_name, MethodParams& params) {
1.16 parser 202: Pool& pool=r.pool();
1.101 paf 203: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 204:
1.108.2.3 paf 205: const String& data=params.as_string(0, "data must be string");
1.16 parser 206:
1.54 paf 207: GdomeException exc;
208: GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode(
209: vdoc.get_document(&method_name),
1.57 paf 210: pool.transcode(data).get(),
1.54 paf 211: &exc);
212: writeNode(r, method_name, node, exc);
1.16 parser 213: }
214:
215: // Comment createComment(in DOMString data)
1.108.2.3 paf 216: static void _createComment(Request& r, StringPtr method_name, MethodParams& params) {
1.16 parser 217: Pool& pool=r.pool();
1.101 paf 218: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 219:
1.108.2.3 paf 220: const String& data=params.as_string(0, "data must be string");
1.16 parser 221:
1.54 paf 222: GdomeException exc;
223: GdomeNode *node=(GdomeNode *)gdome_doc_createComment(
224: vdoc.get_document(&method_name),
1.57 paf 225: pool.transcode(data).get(),
1.54 paf 226: &exc);
227: writeNode(r, method_name, node, exc);
1.16 parser 228: }
229:
230: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
1.108.2.3 paf 231: static void _createCDATASection(Request& r, StringPtr method_name, MethodParams& params) {
1.16 parser 232: Pool& pool=r.pool();
1.101 paf 233: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 234:
1.108.2.3 paf 235: const String& data=params.as_string(0, "data must be string");
1.16 parser 236:
1.54 paf 237: GdomeException exc;
238: GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection(
239: vdoc.get_document(&method_name),
1.57 paf 240: pool.transcode(data).get(),
1.54 paf 241: &exc);
242: writeNode(r, method_name, node, exc);
1.16 parser 243: }
244:
245: // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException);
1.108.2.3 paf 246: static void _createProcessingInstruction(Request& r, StringPtr method_name, MethodParams& params) {
1.16 parser 247: Pool& pool=r.pool();
1.101 paf 248: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 249:
1.108.2.3 paf 250: const String& target=params.as_string(0, "data must be string");
251: const String& data=params.as_string(1, "data must be string");
1.16 parser 252:
1.54 paf 253: GdomeException exc;
254: GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction(
255: vdoc.get_document(&method_name),
1.57 paf 256: pool.transcode(target).get(),
257: pool.transcode(data).get(),
1.54 paf 258: &exc);
259: writeNode(r, method_name, node, exc);
1.16 parser 260: }
261:
262: // Attr createAttribute(in DOMString name) raises(DOMException);
1.108.2.3 paf 263: static void _createAttribute(Request& r, StringPtr method_name, MethodParams& params) {
1.16 parser 264: Pool& pool=r.pool();
1.101 paf 265: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 266:
1.108.2.3 paf 267: const String& name=params.as_string(0, "name must be string");
1.16 parser 268:
1.54 paf 269: GdomeException exc;
270: GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute(
271: vdoc.get_document(&method_name),
1.57 paf 272: pool.transcode(name).get(),
1.54 paf 273: &exc);
274: writeNode(r, method_name, node, exc);
1.16 parser 275: }
276: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
1.108.2.3 paf 277: static void _createEntityReference(Request& r, StringPtr method_name, MethodParams& params) {
1.16 parser 278: Pool& pool=r.pool();
1.101 paf 279: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 280:
1.108.2.3 paf 281: const String& name=params.as_string(0, "name must be string");
1.16 parser 282:
1.54 paf 283: GdomeException exc;
284: GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference(
285: vdoc.get_document(&method_name),
1.57 paf 286: pool.transcode(name).get(),
1.54 paf 287: &exc);
288: writeNode(r, method_name, node, exc);
1.16 parser 289: }
290:
1.99 paf 291: // NodeList getElementsByTagName(in DOMString name);
1.108.2.3 paf 292: static void _getElementsByTagName(Request& r, StringPtr method_name, MethodParams& params) {
1.99 paf 293: Pool& pool=r.pool();
1.101 paf 294: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.99 paf 295:
1.108.2.3 paf 296: const String& name=params.as_string(0, "name must be string");
1.99 paf 297:
298: VHash& result=*new(pool) VHash(pool);
299: GdomeException exc;
300: if(GdomeNodeList *nodes=
301: gdome_doc_getElementsByTagName(
302: vdoc.get_document(&method_name),
303: pool.transcode(name).get(),
304: &exc)) {
305: gulong length=gdome_nl_length(nodes, &exc);
306: for(gulong i=0; i<length; i++) {
307: String& skey=*new(pool) String(pool);
308: {
309: char *buf=(char *)pool.malloc(MAX_NUMBER);
310: snprintf(buf, MAX_NUMBER, "%d", i);
311: skey << buf;
312: }
313:
314: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
315: }
316: } else if(exc)
317: throw Exception(
1.108.2.5 paf 318: method_name,
1.99 paf 319: exc);
320:
321: // write out result
322: r.write_no_lang(result);
323: }
324:
1.108.2.3 paf 325: static void _getElementsByTagNameNS(Request& r, StringPtr method_name, MethodParams& params) {
1.99 paf 326: Pool& pool=r.pool();
1.101 paf 327: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.99 paf 328:
329: // namespaceURI;localName
1.108.2.3 paf 330: const String& namespaceURI=params.as_string(0, "namespaceURI must be string");
331: const String& localName=params.as_string(1, "localName must be string");
1.99 paf 332:
333: GdomeException exc;
334: VHash& result=*new(pool) VHash(pool);
335: if(GdomeNodeList *nodes=
336: gdome_doc_getElementsByTagNameNS(
337: vdoc.get_document(&method_name),
338: pool.transcode(namespaceURI).get(),
339: pool.transcode(localName).get(),
340: &exc)) {
341: gulong length=gdome_nl_length(nodes, &exc);
342: for(gulong i=0; i<length; i++) {
343: String& skey=*new(pool) String(pool);
344: {
345: char *buf=(char *)pool.malloc(MAX_NUMBER);
346: snprintf(buf, MAX_NUMBER, "%d", i);
347: skey << buf;
348: }
349:
350: result.hash(0).put(skey, new(pool) VXnode(pool, gdome_nl_item(nodes, i, &exc)));
351: }
352: }
353:
354: // write out result
355: r.write_no_lang(result);
356: }
357:
1.108.2.3 paf 358: static void _getElementById(Request& r, StringPtr method_name, MethodParams& params) {
1.54 paf 359: Pool& pool=r.pool();
1.101 paf 360: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.16 parser 361:
1.54 paf 362: // elementId
1.108.2.3 paf 363: const String& elementId=params.as_string(0, "elementID must be string");
1.1 parser 364:
1.54 paf 365: GdomeException exc;
366: if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById(
367: vdoc.get_document(&method_name),
1.57 paf 368: pool.transcode(elementId).get(),
1.54 paf 369: &exc)) {
370: // write out result
371: VXnode& result=*new(pool) VXnode(pool, node);
372: r.write_no_lang(result);
1.66 paf 373: } else if(exc || xmlHaveGenericErrors())
1.87 paf 374: throw Exception(
1.108.2.5 paf 375: method_name,
1.54 paf 376: exc);
377: }
1.79 paf 378:
1.108.2.3 paf 379: static void _importNode(Request& r, StringPtr method_name, MethodParams& params) {
1.79 paf 380: Pool& pool=r.pool();
1.101 paf 381: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.79 paf 382:
383: GdomeNode *importedNode=
1.88 paf 384: as_node(method_name, params, 0, "importedNode must be node");
1.79 paf 385: bool deep=
1.108.2.3 paf 386: params.as_bool(1, "deep must be bool", r);
1.79 paf 387:
388: GdomeException exc;
389: GdomeNode *outputNode=gdome_doc_importNode(vdoc.get_document(&method_name),
390: importedNode,
391: deep, &exc);
392: if(exc)
1.87 paf 393: throw Exception(
1.108.2.5 paf 394: method_name,
1.79 paf 395: exc);
396:
397: // write out result
398: r.write_no_lang(*new(pool) VXnode(pool, outputNode));
399: }
1.54 paf 400: /*
401: GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
402: GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc);
403: */
1.1 parser 404:
1.108.2.3 paf 405: static void _create(Request& r, StringPtr method_name, MethodParams& params) {
1.54 paf 406: Pool& pool=r.pool();
1.101 paf 407: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.1 parser 408:
1.108.2.3 paf 409: Value& param=params.get(params.count()-1);
1.83 paf 410: GdomeDocument *document;
1.95 paf 411: if(param.get_junction()) { // {<?xml?>...}
1.83 paf 412: Temp_lang temp_lang(r, String::UL_XML);
1.91 paf 413: const String& xml=r.process_to_string(param);
1.83 paf 414:
1.108.2.2 paf 415: const char* cstr=xml.cstr(String::UL_UNSPECIFIED);
1.83 paf 416: document=(GdomeDocument *)
417: gdome_xml_n_mkref((xmlNode *)xmlParseMemory(
418: cstr, strlen(cstr)
419: ));
420: if(!document || xmlHaveGenericErrors()) {
421: GdomeException exc=0;
1.87 paf 422: throw Exception(
1.108.2.5 paf 423: method_name,
1.83 paf 424: exc);
425: }
426: } else { // [name]
427: const String& qualifiedName=param.as_string();
1.1 parser 428:
1.83 paf 429: GdomeException exc;
430: /*
431: GdomeDocumentType *documentType=gdome_di_createDocumentType (
432: docimpl,
433: pool.transcode(qualifiedName),
434: 0/*publicId* /,
435: 0/*systemId* /,
436: &exc);
437: if(!documentType || exc || xmlHaveGenericErrors())
1.87 paf 438: throw Exception(
1.108.2.5 paf 439: method_name,
1.83 paf 440: exc);
441: */
442: document=gdome_di_createDocument (domimpl,
443: 0/*namespaceURI*/,
444: pool.transcode(qualifiedName).get(),
445: 0/*doctype*/,
446: &exc);
447: if(!document || exc || xmlHaveGenericErrors())
1.87 paf 448: throw Exception(
1.108.2.5 paf 449: method_name,
1.83 paf 450: exc);
1.103 paf 451:
452: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
1.108.2.2 paf 453: const char* source_charset_name=pool.get_source_charset().name().cstr();
1.103 paf 454: doc->encoding=pool.get_source_charset().transcode_buf2xchar(source_charset_name, strlen(source_charset_name));
1.9 parser 455:
1.83 paf 456: /// +xalan createXMLDecl ?
1.73 paf 457: }
1.95 paf 458:
459: // URI
1.108.2.2 paf 460: const char* URI_cstr;
1.108.2.3 paf 461: if(params.count()>1) { // absolute(param)
462: const String& URI=params.as_string(0, "URI must be string");
1.95 paf 463: URI_cstr=r.absolute(URI).cstr();
464: } else // default = disk path to requested document
465: URI_cstr=r.info.path_translated;
466: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
467: if(URI_cstr)
468: doc->URL=pool.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
469:
1.54 paf 470: // replace any previous parsed source
471: vdoc.set_document(document);
1.9 parser 472: }
473:
1.108.2.3 paf 474: static void _load(Request& r, StringPtr method_name, MethodParams& params) {
1.54 paf 475: Pool& pool=r.pool();
1.101 paf 476: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.9 parser 477:
1.54 paf 478: // filespec
1.108.2.6! paf 479: StringPtr file_name=params.as_string(0, "uri must be string");
1.54 paf 480: const String& uri=r.absolute(file_name);
1.105 paf 481:
482: void *data; size_t size;
483: file_read(pool, uri, data, size, false/*not text*/,
1.108.2.3 paf 484: params.count()>1?params.as_no_junction(1, "additional params must be hash").get_hash(&method_name)
1.105 paf 485: :0);
486:
1.73 paf 487: GdomeDocument *document=(GdomeDocument *)
1.108.2.2 paf 488: gdome_xml_n_mkref((xmlNode *)xmlParseMemory((const char* )data, size));
1.73 paf 489: if(!document || xmlHaveGenericErrors()) {
490: GdomeException exc=0;
1.87 paf 491: throw Exception(
1.69 paf 492: &uri,
1.54 paf 493: exc);
1.73 paf 494: }
1.108.2.2 paf 495: const char* URI_cstr=uri.cstr();
1.107 paf 496: xmlDoc *doc=gdome_xml_doc_get_xmlDoc(document);
497: if(URI_cstr)
498: doc->URL=pool.transcode_buf2xchar(URI_cstr, strlen(URI_cstr));
1.9 parser 499:
1.54 paf 500: // replace any previous parsed source
501: vdoc.set_document(document);
1.9 parser 502: }
503:
1.46 paf 504: static void param_option_over_output_option(Pool& pool,
1.108.2.2 paf 505: Hash *param_options, const char* option_name,
1.61 paf 506: const String *& output_option) {
507: if(Value *value=static_cast<Value *>(param_options->get(*new(pool) String(pool,
508: option_name))))
509: output_option=&value->as_string();
1.46 paf 510: }
511: static void param_option_over_output_option(Pool& pool,
1.108.2.2 paf 512: Hash *param_options, const char* option_name,
1.46 paf 513: bool& output_option) {
514: if(Value *value=static_cast<Value *>(param_options->get(*new(pool)
515: String(pool, option_name)))) {
516: const String& s=value->as_string();
517: if(s=="yes")
518: output_option=true;
519: else if(s=="no")
520: output_option=false;
521: else
1.87 paf 522: throw Exception("parser.runtime",
1.46 paf 523: &s,
524: "%s must be either 'yes' or 'no'", option_name);
525: }
526: }
527:
1.100 paf 528: /// @test valid_options check
1.61 paf 529: static void prepare_output_options(
1.108.2.3 paf 530: Pool& pool, StringPtr method_name, MethodParams& params, int index,
1.61 paf 531: VXdoc::Output_options& oo) {
1.46 paf 532: /*
533: <xsl:output
534: !method = "xml" | "html" | "text" | qname-but-not-ncname
535: !version = nmtoken
536: !encoding = string
537: !omit-xml-declaration = "yes" | "no"
538: !standalone = "yes" | "no"
539: !doctype-public = string
540: !doctype-system = string
541: cdata-section-elements = qnames
542: !indent = "yes" | "no"
543: !media-type = string />
1.61 paf 544: */
1.1 parser 545:
1.46 paf 546: // configuring with options from parameter...
1.108.2.3 paf 547: if(params.count()>index) {
548: Value& voptions=params.as_no_junction(index, "options must be string");
1.1 parser 549: if(voptions.is_defined()) {
1.34 parser 550: if(Hash *options=voptions.get_hash(&method_name)) {
1.1 parser 551: // $.method[xml|html|text]
552: if(Value *vmethod=static_cast<Value *>(options->get(*new(pool)
553: String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME))))
1.61 paf 554: oo.method=&vmethod->as_string();
1.1 parser 555:
1.46 paf 556: // $.version[1.0]
557: param_option_over_output_option(pool, options, "version", oo.version);
1.1 parser 558: // $.encoding[windows-1251|...]
1.46 paf 559: param_option_over_output_option(pool, options, "encoding", oo.encoding);
560: // $.omit-xml-declaration[yes|no]
1.61 paf 561: param_option_over_output_option(pool, options, "omit-xml-declaration", oo.omitXmlDeclaration);
1.46 paf 562: // $.standalone[yes|no]
563: param_option_over_output_option(pool, options, "standalone", oo.standalone);
564: // $.doctype-public[?]
565: param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic);
566: // $.doctype-system[?]
567: param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem);
568: // $.indent[yes|no]
1.61 paf 569: param_option_over_output_option(pool, options, "indent", oo.indent);
1.46 paf 570: // $.media-type[text/{html|xml|plain}]
571: param_option_over_output_option(pool, options, "media-type", oo.mediaType);
1.19 parser 572: }
1.1 parser 573: }
574: }
575:
1.46 paf 576: // default encoding from pool
1.61 paf 577: if(!oo.encoding)
578: oo.encoding=&pool.get_source_charset().name();
1.46 paf 579: // default method=xml
580: if(!oo.method)
1.61 paf 581: oo.method=new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML);
582: // default mediaType = depending on method
583: if(!oo.mediaType) {
584: if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)
585: oo.mediaType=new(pool) String(pool, "text/xml");
586: else if(*oo.method==XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)
587: oo.mediaType=new(pool) String(pool, "text/html");
588: else // XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT & all others
589: oo.mediaType=new(pool) String(pool, "text/plain");
590: }
591: }
1.46 paf 592:
1.63 paf 593: static void xdoc2buf(Pool& pool, VXdoc& vdoc,
1.108.2.3 paf 594: StringPtr method_name, MethodParams& params, int index,
1.63 paf 595: VXdoc::Output_options& oo,
596: const String *file_spec,
597: char **parser_buf, size_t *parser_size) {
598: prepare_output_options(pool, method_name, params, index,
1.61 paf 599: oo);
600:
1.108.2.2 paf 601: const char* encoding_cstr=oo.encoding->cstr();
1.63 paf 602: xmlCharEncodingHandler *encoder=xmlFindCharEncodingHandler(encoding_cstr);
603: if(!encoder)
1.87 paf 604: throw Exception("parser.runtime",
1.108.2.5 paf 605: method_name,
1.63 paf 606: "encoding '%s' not supported", encoding_cstr);
1.61 paf 607: // UTF-8 encoder contains empty input/output converters,
608: // which is wrong for xmlOutputBufferCreateIO
609: // while zero encoder goes perfectly
610: if(encoder && strcmp(encoder->name, "UTF-8")==0)
611: encoder=0;
612:
1.62 paf 613: xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(encoder));
1.61 paf 614:
1.65 paf 615: xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet());
616: if(!stylesheet.get())
1.87 paf 617: throw Exception(0,
1.108.2.5 paf 618: method_name,
1.61 paf 619: "xsltNewStylesheet failed");
620:
1.62 paf 621: #define OOS2STYLE(name) \
1.61 paf 622: stylesheet->name=oo.name?BAD_CAST g_strdup(pool.transcode(*oo.name)->str):0
1.62 paf 623: #define OOE2STYLE(name) \
624: stylesheet->name=oo.name
1.61 paf 625:
1.62 paf 626: OOS2STYLE(method);
627: OOS2STYLE(encoding);
628: OOS2STYLE(mediaType);
629: OOS2STYLE(doctypeSystem);
630: OOS2STYLE(doctypePublic);
631: OOE2STYLE(indent);
632: OOS2STYLE(version);
633: OOE2STYLE(standalone);
634: OOE2STYLE(omitXmlDeclaration);
1.61 paf 635:
1.76 paf 636: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(&method_name));
1.81 paf 637: if(xsltSaveResultTo(outputBuffer.get(), document, stylesheet.get())<0) {
1.75 paf 638: GdomeException exc=0;
1.87 paf 639: throw Exception(
1.108.2.5 paf 640: method_name,
1.75 paf 641: exc);
642: }
1.61 paf 643:
1.54 paf 644: // write out result
1.63 paf 645: char *gnome_buf; size_t gnome_size;
646: if(outputBuffer->conv) {
647: gnome_size=outputBuffer->conv->use;
1.62 paf 648: gnome_buf=(char *)outputBuffer->conv->content;
1.63 paf 649: } else {
650: gnome_size=outputBuffer->buffer->use;
1.62 paf 651: gnome_buf=(char *)outputBuffer->buffer->content;
1.63 paf 652: }
653: if(file_spec)
1.77 paf 654: file_write(
1.63 paf 655: *file_spec,
656: gnome_buf, gnome_size,
657: true/*as_text*/);
1.74 paf 658: else if(*parser_size=gnome_size) {
1.63 paf 659: *parser_buf=(char *)pool.malloc(gnome_size);
660: memcpy(*parser_buf, gnome_buf, gnome_size);
1.74 paf 661: } else
662: *parser_buf=0;
1.1 parser 663: }
664:
1.108.2.3 paf 665: static void _file(Request& r, StringPtr method_name, MethodParams& params) {
1.1 parser 666: Pool& pool=r.pool();
1.101 paf 667: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.63 paf 668: VXdoc::Output_options oo(vdoc.output_options);
669: char *buf; size_t buf_size;
670: xdoc2buf(pool, vdoc, method_name, params, 0,
671: oo,
1.64 paf 672: 0/*not to file, to memory*/,
1.63 paf 673: &buf, &buf_size);
674: // write out result
675: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 676:
1.58 paf 677: // write out result
678: VFile& vfile=*new(pool) VFile(pool);
1.63 paf 679: Value *vcontent_type;
1.58 paf 680: VHash *vhcontent_type=new(pool) VHash(pool);
1.63 paf 681: vhcontent_type->hash(&method_name).put(
682: *value_name,
683: new(pool) VString(*oo.mediaType));
684: vhcontent_type->hash(&method_name).put(
685: *new(pool) String(pool, "charset"),
686: new(pool) VString(*oo.encoding));
1.58 paf 687: vcontent_type=vhcontent_type;
688:
1.102 paf 689: vfile.set(false/*tainted*/, buf?buf:""/*to distinguish from stat-ed file*/, buf_size,
690: 0/*file_name*/, vcontent_type);
1.58 paf 691: r.write_no_lang(vfile);
1.63 paf 692: }
693:
1.108.2.3 paf 694: static void _save(Request& r, StringPtr method_name, MethodParams& params) {
1.63 paf 695: Pool& pool=r.pool();
1.101 paf 696: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.63 paf 697:
1.108.2.3 paf 698: const String& file_spec=r.absolute(params.as_string(0, "file name must be string"));
1.63 paf 699:
700: VXdoc::Output_options oo(vdoc.output_options);
701: xdoc2buf(pool, vdoc, method_name, params, 1,
702: oo,
703: &file_spec,
704: 0, 0);
705: }
706:
1.108.2.3 paf 707: static void _string(Request& r, StringPtr method_name, MethodParams& params) {
1.63 paf 708: Pool& pool=r.pool();
1.101 paf 709: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.63 paf 710: VXdoc::Output_options oo(vdoc.output_options);
711: char *buf; size_t buf_size;
712: xdoc2buf(pool, vdoc, method_name, params, 0,
713: oo,
1.64 paf 714: 0/*not to file, to memory*/,
1.63 paf 715: &buf, &buf_size);
716: // write out result
717: r.write_no_lang(*new(pool) String(pool, buf, buf_size));
1.1 parser 718: }
1.58 paf 719:
1.1 parser 720: static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning,
721: void *info) {
1.59 paf 722: Value *meaning=static_cast<Value *>(ameaning);
723: Pool& pool=meaning->pool();
1.108.2.2 paf 724: const char* * & current_transform_param=*(const char* **)info;
1.89 paf 725: *current_transform_param++=pool.transcode(aattribute)->str;
726: *current_transform_param++=pool.transcode(meaning->as_string())->str;
1.1 parser 727: }
1.93 paf 728: static VXdoc& _transform(Pool& pool, const String *doc_source, const String *stylesheet_source,
1.108.2.2 paf 729: VXdoc& vdoc, xsltStylesheetPtr stylesheet, const char* *transform_params) {
1.93 paf 730: xmlDoc *document=gdome_xml_doc_get_xmlDoc(vdoc.get_document(doc_source));
1.65 paf 731: xsltTransformContext_auto_ptr transformContext(
732: xsltNewTransformContext(stylesheet, document));
1.90 paf 733: // make params literal
734: if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext
735: transformContext->globalVars = xmlHashCreate(20);
736: xsltQuoteUserParams(transformContext.get(), transform_params);
737: // do transform
1.59 paf 738: xmlDoc *transformed=xsltApplyStylesheetUser(
739: stylesheet,
740: document,
1.90 paf 741: 0/*already quoted-inserted transform_params*/,
1.108.2.2 paf 742: 0/*const char* output*/,
1.59 paf 743: 0/*FILE *profile*/,
1.65 paf 744: transformContext.get());
1.66 paf 745: if(!transformed || xmlHaveGenericErrors()) {
746: GdomeException exc=0;
1.87 paf 747: throw Exception(
1.93 paf 748: stylesheet_source,
1.66 paf 749: exc);
750: }
1.42 paf 751:
1.61 paf 752: //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing
753: transformed->type=XML_DOCUMENT_NODE;
1.59 paf 754: // constructing result
755: GdomeDocument *gdomeDocument=gdome_xml_doc_mkref(transformed);
756: if(!gdomeDocument)
1.87 paf 757: throw Exception(0,
1.93 paf 758: doc_source,
1.59 paf 759: "gdome_xml_doc_mkref failed");
760: VXdoc& result=*new(pool) VXdoc(pool, gdomeDocument);
1.61 paf 761: /* grabbing options
762:
763: <xsl:output
764: !method = "xml" | "html" | "text"
765: X| qname-but-not-ncname
766: !version = nmtoken
767: !encoding = string
768: !omit-xml-declaration = "yes" | "no"
769: !standalone = "yes" | "no"
770: !doctype-public = string
771: !doctype-system = string
772: Xcdata-section-elements = qnames
773: !indent = "yes" | "no"
774: !media-type = string />
1.59 paf 775: */
776: memset(&result.output_options, 0, sizeof(result.output_options));
777: VXdoc::Output_options& oo=result.output_options;
778:
1.104 paf 779: oo.method=stylesheet->method?&pool.transcode(stylesheet->method, stylesheet_source):0;
780: oo.encoding=stylesheet->encoding?&pool.transcode(stylesheet->encoding, stylesheet_source):0;
781: oo.mediaType=stylesheet->mediaType?&pool.transcode(stylesheet->mediaType, stylesheet_source):0;
782: oo.doctypeSystem=stylesheet->doctypeSystem?&pool.transcode(stylesheet->doctypeSystem, stylesheet_source):0;
783: oo.doctypePublic=stylesheet->doctypePublic?&pool.transcode(stylesheet->doctypePublic, stylesheet_source):0;
1.59 paf 784: oo.indent=stylesheet->indent!=0;
1.104 paf 785: oo.version=stylesheet->version?&pool.transcode(stylesheet->version, stylesheet_source):0;
1.59 paf 786: oo.standalone=stylesheet->standalone!=0;
787: oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration!=0;
788:
1.93 paf 789: // return
790: return result;
791: }
1.108.2.3 paf 792: static void _transform(Request& r, StringPtr method_name, MethodParams& params) {
1.93 paf 793: Pool& pool=r.pool();
1.101 paf 794: VXdoc& vdoc=*static_cast<VXdoc *>(r.get_self());
1.93 paf 795:
796: // params
1.108.2.2 paf 797: const char* *transform_params=0;
1.108.2.3 paf 798: if(params.count()>1) {
799: Value& vparams=params.as_no_junction(1, "transform parameters must be hash");
1.106 paf 800: if(!vparams.is_string())
1.93 paf 801: if(Hash *params=vparams.get_hash(&method_name)) {
1.108.2.2 paf 802: const char* *current_transform_param=transform_params=
1.108.2.3 paf 803: (const char* *)pool.malloc(sizeof(const char* )*(params.count()*2+1));
804: params.for_each(add_xslt_param, ¤t_transform_param);
805: transform_params[params.count()*2]=0;
1.93 paf 806: } else
807: throw Exception("parser.runtime",
1.108.2.5 paf 808: method_name,
1.93 paf 809: "transform parameters parameter must be hash");
810: }
811:
812: VXdoc *result;
1.108.2.3 paf 813: Value& vmaybe_xdoc=params.get(0);
1.98 paf 814: if(Value *vxdoc=vmaybe_xdoc.as(VXDOC_TYPE, false)) { // stylesheet (xdoc)
1.93 paf 815: xmlDoc *document=gdome_xml_doc_get_xmlDoc(
1.98 paf 816: static_cast<VXdoc *>(vxdoc)->get_document(&method_name));
1.93 paf 817: // compile xdoc stylesheet
1.94 paf 818: xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(document));
819: // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor
820: // we don't need that
821: stylesheet_ptr->doc=0;
1.93 paf 822: if(xmlHaveGenericErrors()) {
823: GdomeException exc=0;
1.108.2.5 paf 824: throw Exception(method_name, exc);
1.93 paf 825: }
826: if(!stylesheet_ptr.get())
827: throw Exception("xml",
1.108.2.5 paf 828: method_name,
1.93 paf 829: "stylesheet failed to compile");
830:
831: // transform!
1.108.2.5 paf 832: result=&_transform(pool, method_name, method_name,
1.93 paf 833: vdoc, stylesheet_ptr.get(),
834: transform_params);
835: } else { // stylesheet (file name)
836: // extablish stylesheet connection
837: const String& stylesheet_filespec=
1.108.2.3 paf 838: r.absolute(params.as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)"));
1.93 paf 839: Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec);
840:
841: // load and compile file to stylesheet [or get cached if any]
842: // transform!
1.108.2.5 paf 843: result=&_transform(pool, method_name, &stylesheet_filespec,
1.93 paf 844: vdoc, connection->stylesheet(false/*nocache*/),
845: transform_params);
846: }
847:
1.59 paf 848: // write out result
1.93 paf 849: r.write_no_lang(*result);
1.1 parser 850: }
851:
1.16 parser 852: // constructor
1.2 parser 853:
1.92 paf 854: /// @test how to create empty type html?
855: MXdoc::MXdoc(Pool& apool) : MXnode(apool, XDOC_CLASS_NAME, Xnode_class) {
1.16 parser 856: /// DOM1
1.2 parser 857:
1.16 parser 858: // Element createElement(in DOMString tagName) raises(DOMException);
859: add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1);
860: // DocumentFragment createDocumentFragment();
861: add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0);
862: // Text createTextNode(in DOMString data);
863: add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1);
864: // Comment createComment(in DOMString data);
865: add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1);
866: // CDATASection createCDATASection(in DOMString data) raises(DOMException);
867: add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1);
868: // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException);
869: add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2);
870: // Attr createAttribute(in DOMString name) raises(DOMException);
871: add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1);
872: // EntityReference createEntityReference(in DOMString name) raises(DOMException);
873: add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1);
1.99 paf 874: // NodeList getElementsByTagName(in DOMString name);
875: add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1);
1.2 parser 876:
1.79 paf 877: /// DOM2
1.2 parser 878:
1.16 parser 879: // ^xdoc.getElementById[elementId]
880: add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1);
1.79 paf 881:
882: // Node (in Node importedNode, in boolean deep) raises(DOMException)
883: add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2);
1.99 paf 884:
885: // NodeList getElementsByTagNameNS(in DOMString namespaceURI, in DOMString localName);
886: add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2);
1.1 parser 887:
1.16 parser 888: /// parser
889:
1.54 paf 890: // ^xdoc::create{qualifiedName}
1.95 paf 891: // ^xdoc::create[<some>xml</some>]
892: // ^xdoc::create[URI][<some>xml</some>]
893: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1.83 paf 894: // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf
895: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 1);
1.54 paf 896:
897: // ^xdoc::load[some.xml]
1.105 paf 898: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2);
1.54 paf 899:
1.2 parser 900: // ^xdoc.save[some.xml]
901: // ^xdoc.save[some.xml;options hash]
1.1 parser 902: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
903:
1.2 parser 904: // ^xdoc.string[] <doc/>
905: // ^xdoc.string[options hash] <doc/>
1.1 parser 906: add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1);
907:
1.2 parser 908: // ^xdoc.file[] file with "<doc/>"
909: // ^xdoc.file[options hash] file with "<doc/>"
1.58 paf 910: add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1);
1.1 parser 911:
1.98 paf 912: // ^xdoc.transform[stylesheet file_name/xdoc]
913: // ^xdoc.transform[stylesheet file_name/xdoc;params hash]
1.59 paf 914: add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2);
1.2 parser 915:
1.1 parser 916: }
1.5 parser 917:
918: void MXdoc::configure_admin(Request& r) {
919: }
920:
1.1 parser 921: // global variable
922:
923: Methoded *Xdoc_class;
924:
925: // creator
926:
927: #endif
928:
929: Methoded *MXdoc_create(Pool& pool) {
930: return
931: #ifdef XML
1.33 parser 932: Xdoc_class=new(pool) MXdoc(pool)
1.1 parser 933: #else
934: 0
935: #endif
936: ;
937: }
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