/** @file Parser: @b xdoc parser class. Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) Author: Alexander Petrosyan (http://paf.design.ru) $Id: xdoc.C,v 1.55 2001/12/28 18:12:30 paf Exp $ */ #include "pa_types.h" #include "classes.h" #ifdef XML #include "pa_request.h" #include "pa_vxdoc.h" //#include "pa_stylesheet_manager.h" //#include "pa_stylesheet_connection.h" #include "pa_charset.h" #include "pa_vfile.h" #include "xnode.h" // defines #define XDOC_CLASS_NAME "xdoc" #define XDOC_OUTPUT_METHOD_OPTION_NAME "method" #define XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "xml" #define XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "html" #define XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "text" #define XDOC_OUTPUT_DEFAULT_INDENT 4 // class class MXdoc : public MXnode { public: // VStateless_class Value *create_new_value(Pool& pool) { return new(pool) VXdoc(pool, 0); } public: MXdoc(Pool& pool); public: // Methoded bool used_directly() { return true; } void configure_admin(Request& r); }; // methods static void writeNode(Request& r, const String& method_name, GdomeNode *node, GdomeException exc) { if(!node || exc) throw Exception(0, 0, &method_name, exc); Pool& pool=r.pool(); // write out result VXnode& result=*new(pool) VXnode(pool, node); r.write_no_lang(result); } // Element createElement(in DOMString tagName) raises(DOMException); static void _createElement(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& tagName=params->as_string(0, "tagName must be string"); GdomeException exc; GdomeNode *node= (GdomeNode *)gdome_doc_createElement(vdoc.get_document(&method_name), pool.transcode(tagName), &exc); writeNode(r, method_name, node, exc); } // DocumentFragment createDocumentFragment() static void _createDocumentFragment(Request& r, const String& method_name, MethodParams *) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); GdomeException exc; GdomeNode *node= (GdomeNode *)gdome_doc_createDocumentFragment( vdoc.get_document(&method_name), &exc); writeNode(r, method_name, node, exc); } // Text createTextNode(in DOMString data); static void _createTextNode(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& data=params->as_string(0, "data must be string"); GdomeException exc; GdomeNode *node=(GdomeNode *)gdome_doc_createTextNode( vdoc.get_document(&method_name), pool.transcode(data), &exc); writeNode(r, method_name, node, exc); } // Comment createComment(in DOMString data) static void _createComment(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& data=params->as_string(0, "data must be string"); GdomeException exc; GdomeNode *node=(GdomeNode *)gdome_doc_createComment( vdoc.get_document(&method_name), pool.transcode(data), &exc); writeNode(r, method_name, node, exc); } // CDATASection createCDATASection(in DOMString data) raises(DOMException); static void _createCDATASection(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& data=params->as_string(0, "data must be string"); GdomeException exc; GdomeNode *node=(GdomeNode *)gdome_doc_createCDATASection( vdoc.get_document(&method_name), pool.transcode(data), &exc); writeNode(r, method_name, node, exc); } // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException); static void _createProcessingInstruction(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& target=params->as_string(0, "data must be string"); const String& data=params->as_string(1, "data must be string"); GdomeException exc; GdomeNode *node=(GdomeNode *)gdome_doc_createProcessingInstruction( vdoc.get_document(&method_name), pool.transcode(target), pool.transcode(data), &exc); writeNode(r, method_name, node, exc); } // Attr createAttribute(in DOMString name) raises(DOMException); static void _createAttribute(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& name=params->as_string(0, "name must be string"); GdomeException exc; GdomeNode *node=(GdomeNode *)gdome_doc_createAttribute( vdoc.get_document(&method_name), pool.transcode(name), &exc); writeNode(r, method_name, node, exc); } // EntityReference createEntityReference(in DOMString name) raises(DOMException); static void _createEntityReference(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& name=params->as_string(0, "name must be string"); GdomeException exc; GdomeNode *node=(GdomeNode *)gdome_doc_createEntityReference( vdoc.get_document(&method_name), pool.transcode(name), &exc); writeNode(r, method_name, node, exc); } static void _getElementsByTagName(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& name=params->as_string(0, "name must be string"); GdomeException exc; VHash& result=*new(pool) VHash(pool); if(GdomeNodeList *nodes= gdome_doc_getElementsByTagName( vdoc.get_document(&method_name), pool.transcode(name), &exc)) { gulong length=gdome_nl_length(nodes, &exc); for(gulong i=0; i(r.self); // namespaceURI;localName const String& namespaceURI=params->as_string(0, "namespaceURI must be string"); const String& localName=params->as_string(0, "localName must be string"); GdomeException exc; VHash& result=*new(pool) VHash(pool); if(GdomeNodeList *nodes= gdome_doc_getElementsByTagNameNS( vdoc.get_document(&method_name), pool.transcode(namespaceURI), pool.transcode(localName), &exc)) { gulong length=gdome_nl_length(nodes, &exc); for(gulong i=0; i(r.self); // elementId const String& elementId=params->as_string(0, "elementID must be string"); GdomeException exc; if(GdomeNode *node=(GdomeNode *)gdome_doc_getElementById( vdoc.get_document(&method_name), pool.transcode(elementId), &exc)) { // write out result VXnode& result=*new(pool) VXnode(pool, node); r.write_no_lang(result); } else if(exc) throw Exception(0, 0, &method_name, exc); } /* GdomeNode *gdome_doc_importNode (GdomeDocument *self, GdomeNode *importedNode, GdomeBoolean deep, GdomeException *exc); GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc); GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc); GdomeNodeList *gdome_doc_getElementsByTagNameNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *localName, GdomeException *exc); */ static void _create(Request& r, const String& method_name, MethodParams *params) { //_asm int 3; Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& qualifiedName=params->as_string(0, "qualifiedName must be string"); GdomeException exc; /* GdomeDocumentType *documentType=gdome_di_createDocumentType ( docimpl, pool.transcode(qualifiedName), 0/*publicId* /, 0/*systemId* /, &exc); if(!documentType || exc) throw Exception(0, 0, &method_name, exc); */ GdomeDocument *document=gdome_di_createDocument (domimpl, 0/*namespaceURI*/, pool.transcode(qualifiedName), 0/*doctype*/, &exc); if(!document || exc) throw Exception(0, 0, &method_name, exc); /// +createXMLDecl ? //document.appendChild(document.createElement(*pool.transcode(qualifiedName))); // replace any previous parsed source vdoc.set_document(document); } static void _set(Request& r, const String& method_name, MethodParams *params) { // _asm int 3; Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); Value& vxml=params->as_junction(0, "xml must be code"); Temp_lang temp_lang(r, String::UL_XML); const String& xml=r.process(vxml).as_string(); GdomeException exc; GdomeDocument *document=gdome_di_createDocFromMemory(domimpl, xml.cstr(String::UL_UNSPECIFIED, r.connection), GDOME_LOAD_PARSING /* GDOME_LOAD_VALIDATING */ /*|GDOME_LOAD_SUBSTITUTE_ENTITIES */, &exc); if(!document || exc) throw Exception(0, 0, &method_name, exc); // replace any previous parsed source vdoc.set_document(document); } static void _load(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); // filespec const String& file_name=params->as_string(0, "uri must be string"); const String& uri=r.absolute(file_name); GdomeException exc; GdomeDocument *document=gdome_di_createDocFromURI(domimpl, uri.cstr(), GDOME_LOAD_PARSING /*GDOME_LOAD_VALIDATING */ /*|GDOME_LOAD_SUBSTITUTE_ENTITIES */, &exc); if(!document || exc) throw Exception(0, 0, &method_name, exc); // replace any previous parsed source vdoc.set_document(document); } /* static void param_option_over_output_option(Pool& pool, Hash *param_options, const char *option_name, XalanDOMString& output_option) { if(Value *value=static_cast(param_options->get(*new(pool) String(pool, option_name)))) { output_option.clear(); output_option.append(value->as_string().cstr()); } } static void param_option_over_output_option(Pool& pool, Hash *param_options, const char *option_name, bool& output_option) { if(Value *value=static_cast(param_options->get(*new(pool) String(pool, option_name)))) { const String& s=value->as_string(); if(s=="yes") output_option=true; else if(s=="no") output_option=false; else throw Exception(0, 0, &s, "%s must be either 'yes' or 'no'", option_name); } } static std::auto_ptr create_optioned_listener( Pool& pool, const String& method_name, MethodParams *params, int index, VXdoc::Output_options& oo, Writer& writer) { /* XalanDOMString encoding; XalanDOMString mediaType; XalanDOMString doctypeSystem; XalanDOMString doctypePublic; bool doIndent; XalanDOMString version; XalanDOMString standalone; bool xmlDecl; * / /* * / /* fToXML->setStripCData(stripCData); fToXML->setEscapeCData(escapeCData); * / // configuring with options from parameter... if(params->size()>index) { Value& voptions=params->as_no_junction(index, "options must be string"); if(voptions.is_defined()) { if(Hash *options=voptions.get_hash(&method_name)) { // $.method[xml|html|text] if(Value *vmethod=static_cast(options->get(*new(pool) String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME)))) oo.method=vmethod->as_string().cstr(); // $.version[1.0] param_option_over_output_option(pool, options, "version", oo.version); // $.encoding[windows-1251|...] param_option_over_output_option(pool, options, "encoding", oo.encoding); // $.omit-xml-declaration[yes|no] bool omit_xml_declaration=!oo.xmlDecl; param_option_over_output_option(pool, options, "omit-xml-declaration", omit_xml_declaration); oo.xmlDecl=!omit_xml_declaration; // $.standalone[yes|no] param_option_over_output_option(pool, options, "standalone", oo.standalone); // $.doctype-public[?] param_option_over_output_option(pool, options, "doctype-public", oo.doctypePublic); // $.doctype-system[?] param_option_over_output_option(pool, options, "doctype-system", oo.doctypeSystem); // $.indent[yes|no] param_option_over_output_option(pool, options, "indent", oo.doIndent); // $.media-type[text/{html|xml|plain}] param_option_over_output_option(pool, options, "media-type", oo.mediaType); } } } // default encoding from pool if(oo.encoding.empty()) oo.encoding.append(pool.get_source_charset().name().cstr()); // default method=xml if(!oo.method) oo.method=XDOC_OUTPUT_METHOD_OPTION_VALUE_XML; if(strcmp(oo.method, XDOC_OUTPUT_METHOD_OPTION_VALUE_XML)==0) { if(oo.mediaType.empty()) oo.mediaType.append("text/xml"); return std::auto_ptr(new FormatterToXML(writer, oo.version, oo.doIndent, XDOC_OUTPUT_DEFAULT_INDENT, // indent oo.encoding, oo.mediaType, oo.doctypeSystem, oo.doctypePublic, oo.xmlDecl, oo.standalone )); } else if(strcmp(oo.method, XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML)==0) { if(oo.mediaType.empty()) oo.mediaType.append("text/html"); return std::auto_ptr(new FormatterToHTML(writer, oo.encoding, oo.mediaType, oo.doctypeSystem, oo.doctypePublic, oo.doIndent, XDOC_OUTPUT_DEFAULT_INDENT, // indent oo.version, oo.standalone, oo.xmlDecl )); } else if(strcmp(oo.method, XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT)==0) { if(oo.mediaType.empty()) oo.mediaType.append("text/plain"); return std::auto_ptr(new FormatterToText(writer, oo.encoding )); } else throw Exception(0, 0, &method_name, XDOC_OUTPUT_METHOD_OPTION_NAME " option is invalid; valid methods are: " "'" XDOC_OUTPUT_METHOD_OPTION_VALUE_XML "', " "'" XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML "', " "'" XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT "'"); // never reached } */ static void _save(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); const String& file_name=params->as_string(0, "file name must be string"); const String& filespec=r.absolute(file_name); GdomeException exc; if(!gdome_di_saveDocToFile(domimpl, vdoc.get_document(&method_name), filespec.cstr(String::UL_FILE_SPEC), GDOME_SAVE_LIBXML_INDENT /*GDOME_SAVE_STANDARD */, &exc)) throw Exception(0, 0, &method_name, exc); } static void _string(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); char *mem; GdomeException exc; if(!gdome_di_saveDocToMemory(domimpl, vdoc.get_document(&method_name), &mem, GDOME_SAVE_LIBXML_INDENT /*GDOME_SAVE_STANDARD */, &exc)) throw Exception(0, 0, &method_name, exc); // move to pool memory size_t size=strlen(mem); char *buf=(char *)pool.malloc(size); memcpy(buf, mem, size); g_free(mem); // write out result r.write_no_lang(*new(pool) String(pool, buf, size)); } /* static void _file(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); VXnode& vnode=*static_cast(r.self); // node GdomeNode *node=vnode.get_node(pool, &method_name); try { VXdoc::Output_options oo(vdoc.output_options); String& parserString=*new(pool) String(pool); ParserStringXalanOutputStream stream(parserString); XalanOutputStreamPrintWriter writer(stream); std::auto_ptr formatterListener= create_optioned_listener(pool, method_name, params, 0, oo, writer); FormatterTreeWalker treeWalker(*formatterListener); treeWalker.traverse(&node); // Walk that node and produce the XML... // write out result VFile& vfile=*new(pool) VFile(pool); const char *cstr=parserString.cstr(); const String& scontent_type=pool.transcode(oo.mediaType); Value *vcontent_type; if(oo.encoding.empty()) vcontent_type=new(pool) VString(scontent_type); else { VHash *vhcontent_type=new(pool) VHash(pool); vhcontent_type->hash(&method_name).put(*value_name, new(pool) VString(scontent_type)); const String& scharset=pool.transcode(oo.encoding); vhcontent_type->hash(&method_name).put(*new(pool) String(pool, "charset"), new(pool) VString(scharset)); vcontent_type=vhcontent_type; } vfile.set(false/*tainted* /, cstr, strlen(cstr), 0/*file_name* /, vcontent_type); r.write_no_lang(vfile); } catch(const XSLException& e) { Exception::provide_source(pool, &method_name, e); } } */ /* /// @test lang=String::UL_UNSPECIFIED? static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning, void *info) { XalanTransformer2& transformer=*static_cast(info); const char *attribute_cstr=aattribute.cstr(String::UL_UNSPECIFIED); const char *meaning_cstr=static_cast(ameaning)->as_string().cstr(String::UL_UNSPECIFIED); transformer.setStylesheetParam( XalanDOMString(attribute_cstr), XalanDOMString(meaning_cstr)); } static void _transform(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VXdoc& vdoc=*static_cast(r.self); // params if(params->size()>1) { Value& vparams=params->as_no_junction(1, "transform parameters parameter must be string"); if(vparams.is_defined()) if(Hash *params=vparams.get_hash(&method_name)) params->for_each(add_xslt_param, &vdoc.transformer()); else throw Exception(0, 0, &method_name, "transform parameters parameter must be hash"); } // stylesheet const String& stylesheet_file_name=params->as_string(0, "file name must be string"); const String& stylesheet_filespec=r.absolute(stylesheet_file_name); //_asm int 3; Stylesheet_connection& connection=stylesheet_manager->get_connection(stylesheet_filespec); // target XalanDocument* target=vdoc.parser_xerces_liaison().createDocument(); // transform try { // note: // actually, never found any difference between the two // but still there some extra "xerces" words at start of transform body // wich were originally "xalan" // not daring to change that const XalanCompiledStylesheet& stylesheet=connection.stylesheet(false/*nocache* /); if(vdoc.has_parsed_source()) { // set|load, not create? vdoc.transformer().transform2( vdoc.get_parsed_source(pool, &method_name), &stylesheet, target); } else { target=vdoc.parser_xerces_liaison().createDocument(); vdoc.transformer().transform2( vdoc.get_document(&method_name), &stylesheet, target); } VXdoc& result=*new(pool) VXdoc(pool, target, false/*owns not* /); // write out result r.write_no_lang(result); // if(const StylesheetRoot *stylesheetRoot=stylesheet.getStylesheetRoot()) { /* * / VXdoc::Output_options& oo=result.output_options; oo.encoding=stylesheetRoot->m_encoding; oo.mediaType=stylesheetRoot->m_mediatype; oo.doctypeSystem=stylesheetRoot->m_doctypeSystem; oo.doctypePublic=stylesheetRoot->m_doctypePublic; oo.doIndent=stylesheetRoot->m_indentResult; oo.version=stylesheetRoot->m_version; oo.standalone=stylesheetRoot->m_standalone; oo.xmlDecl=!stylesheetRoot->m_omitxmlDecl; switch(stylesheetRoot->getOutputMethod()) { case FormatterListener::OUTPUT_METHOD_HTML: oo.method=XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML; break; case FormatterListener::OUTPUT_METHOD_TEXT: oo.method=XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT; break; case FormatterListener::OUTPUT_METHOD_NONE: case FormatterListener::OUTPUT_METHOD_XML: oo.method=XDOC_OUTPUT_METHOD_OPTION_VALUE_XML; break; default: throw Exception(0, 0, &method_name, "unsupported output method specified"); break; // never } } } catch (XSLException& e) { connection.close(); Exception::provide_source(pool, &stylesheet_file_name, e); } catch (SAXParseException& e) { connection.close(); Exception::provide_source(pool, &stylesheet_file_name, e); } catch (SAXException& e) { connection.close(); Exception::provide_source(pool, &stylesheet_file_name, e); } catch (XMLException& e) { connection.close(); Exception::provide_source(pool, &stylesheet_file_name, e); } catch(const XalanDOMException& e) { connection.close(); Exception::provide_source(pool, &stylesheet_file_name, e); } // close connection.close(); } */ // constructor MXdoc::MXdoc(Pool& apool) : MXnode(apool) { set_name(*NEW String(pool(), XDOC_CLASS_NAME)); /// @test how to create empty type html? /// DOM1 // Element createElement(in DOMString tagName) raises(DOMException); add_native_method("createElement", Method::CT_DYNAMIC, _createElement, 1, 1); // DocumentFragment createDocumentFragment(); add_native_method("createDocumentFragment", Method::CT_DYNAMIC, _createDocumentFragment, 0, 0); // Text createTextNode(in DOMString data); add_native_method("createTextNode", Method::CT_DYNAMIC, _createTextNode, 1, 1); // Comment createComment(in DOMString data); add_native_method("createComment", Method::CT_DYNAMIC, _createComment, 1, 1); // CDATASection createCDATASection(in DOMString data) raises(DOMException); add_native_method("createCDATASection", Method::CT_DYNAMIC, _createCDATASection, 1, 1); // ProcessingInstruction createProcessingInstruction(in DOMString target, in DOMString data) raises(DOMException); add_native_method("createProcessingInstruction", Method::CT_DYNAMIC, _createProcessingInstruction, 2, 2); // Attr createAttribute(in DOMString name) raises(DOMException); add_native_method("createAttribute", Method::CT_DYNAMIC, _createAttribute, 1, 1); // EntityReference createEntityReference(in DOMString name) raises(DOMException); add_native_method("createEntityReference", Method::CT_DYNAMIC, _createEntityReference, 1, 1); // NodeList getElementsByTagName(in DOMString tagname); add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1); // ^xdoc.getElementsByTagNameNS[namespaceURI;localName] = array of nodes add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2); /// DOM2(?) // ^xdoc.getElementById[elementId] add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1); /// parser // ^xdoc::create{qualifiedName} add_native_method("create", Method::CT_DYNAMIC, _create, 1, 1); // ^xdoc::set[xml] add_native_method("set", Method::CT_DYNAMIC, _set, 1, 1); // ^xdoc::load[some.xml] add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1); // ^xdoc.save[some.xml] // ^xdoc.save[some.xml;options hash] add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); // ^xdoc.string[] // ^xdoc.string[options hash] add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1); // ^xdoc.file[] file with "" // ^xdoc.file[options hash] file with "" // add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1); // ^xdoc.transform[stylesheet file_name] // ^xdoc.transform[stylesheet file_name;params hash] // add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2); } void MXdoc::configure_admin(Request& r) { } // global variable Methoded *Xdoc_class; // creator #endif Methoded *MXdoc_create(Pool& pool) { return #ifdef XML Xdoc_class=new(pool) MXdoc(pool) #else 0 #endif ; }