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| version 1.1, 2001/09/26 11:24:07 | version 1.184, 2016/03/31 21:46:20 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b dom parser class. | Parser: @b xdoc parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | |
| */ | */ |
| #include "classes.h" | |
| #include "pa_config_includes.h" | |
| #ifdef XML | #ifdef XML |
| #include "libxml/tree.h" | |
| #include "libxml/HTMLtree.h" | |
| #include "libxslt/xsltInternals.h" | |
| #include "libxslt/transform.h" | |
| #include "libxslt/xsltutils.h" | |
| #include "libxslt/variables.h" | |
| #include "libxslt/imports.h" | |
| #include "pa_vmethod_frame.h" | |
| #include "pa_stylesheet_manager.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vxdoc.h" | #include "pa_vxdoc.h" |
| #include "pa_xslt_stylesheet_manager.h" | #include "pa_charset.h" |
| #include "pa_stylesheet_connection.h" | |
| #include "pa_vfile.h" | #include "pa_vfile.h" |
| #include "pa_xml_exception.h" | |
| #include "xnode.h" | #include "xnode.h" |
| #include "pa_charsets.h" | |
| #include <strstream> | volatile const char * IDENT_XDOC_C="$Id$"; |
| #include <Include/PlatformDefinitions.hpp> | |
| #include <util/PlatformUtils.hpp> | |
| #include <XalanTransformer/XalanTransformer.hpp> | |
| #include <XalanTransformer/XalanParsedSource.hpp> | |
| #include <XMLSupport/FormatterToXML.hpp> | |
| #include <XMLSupport/FormatterToHTML.hpp> | |
| #include <XMLSupport/FormatterToText.hpp> | |
| #include <XMLSupport/FormatterTreeWalker.hpp> | |
| #include <PlatformSupport/XalanFileOutputStream.hpp> | |
| #include <PlatformSupport/XalanOutputStreamPrintWriter.hpp> | |
| #include <PlatformSupport/DOMStringPrintWriter.hpp> | |
| // defines | // defines |
| #define XDOC_CLASS_NAME "xdoc" | #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_ENCODING_OPTION_NAME "encoding" | |
| #define XDOC_OUTPUT_DEFAULT_INDENT 4 | |
| // class | // class |
| class MXdoc : public MXnode { | class MXdoc: public MXnode { |
| public: // VStateless_class | public: // VStateless_class |
| Value *create_new_value(Pool& pool) { return new(pool) VXdoc(pool); } | Value* create_new_value(Pool&) { return new VXdoc(); } |
| public: | public: |
| MXdoc(Pool& pool); | MXdoc(); |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | }; |
| // methods | // global variable |
| class ParserStringXalanOutputStream: public XalanOutputStream { | DECLARE_CLASS_VAR(xdoc, new MXdoc); |
| public: | |
| explicit ParserStringXalanOutputStream(String& astring) : fstring(astring) {} | |
| protected: // XalanOutputStream | // helper classes |
| virtual void writeData(const char *theBuffer, unsigned long theBufferLength) { | class xmlOutputBuffer_auto_ptr { |
| char *copy=(char *)fstring.malloc((size_t)theBufferLength); | public: |
| memcpy(copy, theBuffer, (size_t)theBufferLength); | explicit xmlOutputBuffer_auto_ptr(xmlOutputBuffer *_APtr = 0) |
| fstring.APPEND_CLEAN(copy, (size_t)theBufferLength, "dom", 0); | : _Owns(_APtr != 0), _Ptr(_APtr) {} |
| } | xmlOutputBuffer_auto_ptr(const xmlOutputBuffer_auto_ptr& _Y) |
| : _Owns(_Y._Owns), _Ptr(_Y.release()) {} | |
| xmlOutputBuffer_auto_ptr& operator=(const xmlOutputBuffer_auto_ptr& _Y) | |
| {if (this != &_Y) | |
| {if (_Ptr != _Y.get()) | |
| {if (_Owns && _Ptr) | |
| xmlOutputBufferClose(_Ptr); | |
| _Owns = _Y._Owns; } | |
| else if (_Y._Owns) | |
| _Owns = true; | |
| _Ptr = _Y.release(); } | |
| return (*this); } | |
| ~xmlOutputBuffer_auto_ptr() | |
| {if (_Owns && _Ptr) | |
| xmlOutputBufferClose(_Ptr); } | |
| xmlOutputBuffer& operator*() const | |
| {return (*get()); } | |
| xmlOutputBuffer *operator->() const | |
| {return (get()); } | |
| xmlOutputBuffer *get() const | |
| {return (_Ptr); } | |
| xmlOutputBuffer *release() const | |
| {((xmlOutputBuffer_auto_ptr *)this)->_Owns = false; | |
| return (_Ptr); } | |
| private: | |
| bool _Owns; | |
| xmlOutputBuffer *_Ptr; | |
| }; | |
| virtual void doFlush() {} | class xsltTransformContext_auto_ptr { |
| public: | |
| explicit xsltTransformContext_auto_ptr(xsltTransformContext *_APtr = 0) | |
| : _Owns(_APtr != 0), _Ptr(_APtr) {} | |
| xsltTransformContext_auto_ptr(const xsltTransformContext_auto_ptr& _Y) | |
| : _Owns(_Y._Owns), _Ptr(_Y.release()) {} | |
| xsltTransformContext_auto_ptr& operator=(const xsltTransformContext_auto_ptr& _Y) | |
| {if (this != &_Y) | |
| {if (_Ptr != _Y.get()) | |
| {if (_Owns && _Ptr) | |
| xsltFreeTransformContext(_Ptr); | |
| _Owns = _Y._Owns; } | |
| else if (_Y._Owns) | |
| _Owns = true; | |
| _Ptr = _Y.release(); } | |
| return (*this); } | |
| ~xsltTransformContext_auto_ptr() | |
| {if (_Owns && _Ptr) | |
| xsltFreeTransformContext(_Ptr); } | |
| xsltTransformContext& operator*() const | |
| {return (*get()); } | |
| xsltTransformContext *operator->() const | |
| {return (get()); } | |
| xsltTransformContext *get() const | |
| {return (_Ptr); } | |
| xsltTransformContext *release() const | |
| {((xsltTransformContext_auto_ptr *)this)->_Owns = false; | |
| return (_Ptr); } | |
| private: | |
| bool _Owns; | |
| xsltTransformContext *_Ptr; | |
| }; | |
| class xsltStylesheet_auto_ptr { | |
| public: | |
| explicit xsltStylesheet_auto_ptr(xsltStylesheet *_APtr = 0) | |
| : _Owns(_APtr != 0), _Ptr(_APtr) {} | |
| xsltStylesheet_auto_ptr(const xsltStylesheet_auto_ptr& _Y) | |
| : _Owns(_Y._Owns), _Ptr(_Y.release()) {} | |
| xsltStylesheet_auto_ptr& operator=(const xsltStylesheet_auto_ptr& _Y) | |
| {if (this != &_Y) | |
| {if (_Ptr != _Y.get()) | |
| {if (_Owns && _Ptr) | |
| xsltFreeStylesheet(_Ptr); | |
| _Owns = _Y._Owns; } | |
| else if (_Y._Owns) | |
| _Owns = true; | |
| _Ptr = _Y.release(); } | |
| return (*this); } | |
| ~xsltStylesheet_auto_ptr() | |
| {if (_Owns && _Ptr) | |
| xsltFreeStylesheet(_Ptr); } | |
| xsltStylesheet& operator*() const | |
| {return (*get()); } | |
| xsltStylesheet *operator->() const | |
| {return (get()); } | |
| xsltStylesheet *get() const | |
| {return (_Ptr); } | |
| xsltStylesheet *release() const | |
| {((xsltStylesheet_auto_ptr *)this)->_Owns = false; | |
| return (_Ptr); } | |
| private: | private: |
| bool _Owns; | |
| xsltStylesheet *_Ptr; | |
| }; | |
| String& fstring; | // methods |
| static void writeNode(Request& r, VXdoc& xdoc, xmlNode* node) { | |
| if(!node) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "error creating node"); // OOM, bad name, things like that | |
| // write out result | |
| r.write_no_lang(xdoc.wrap(*node)); | |
| } | |
| struct IdsIteratorInfo { | |
| xmlChar *elementId; | |
| xmlNode *element; | |
| }; | }; |
| static void create_optioned_listener( | /* Hash Scanner function for pa_getElementById */ |
| const char *& content_type, const char *& charset, FormatterListener *& listener, | extern "C" void // switching to calling convetion of libxml |
| Pool& pool, | idsHashScanner (void *payload, void *data, xmlChar *name) { |
| const String& method_name, MethodParams *params, int index, Writer& writer) { | IdsIteratorInfo *priv = (IdsIteratorInfo *)data; |
| // default encoding from pool | |
| const String *scharset=&pool.get_charset(); | if (priv->element == NULL && xmlStrEqual (name, priv->elementId)) |
| const String *method=0; | { |
| XalanDOMString xalan_encoding; | xmlNode* parent=((xmlID *)payload)->attr->parent; |
| assert(parent); | |
| if(params->size()>index) { | priv->element=parent; |
| Value& voptions=params->as_no_junction(index, "options must not be code"); | } |
| if(voptions.is_defined()) { | } |
| if(Hash *options=voptions.get_hash()) { | |
| // $.method[xml|html|text] | static xmlNode* |
| if(Value *vmethod=static_cast<Value *>(options->get(*new(pool) | pa_getElementById(xmlDoc& xmldoc, xmlChar* elementId) { |
| String(pool, XDOC_OUTPUT_METHOD_OPTION_NAME)))) | xmlHashTable *ids = (xmlHashTable *)xmldoc.ids; |
| method=&vmethod->as_string(); | IdsIteratorInfo iter={elementId, NULL}; |
| xmlHashScan(ids, idsHashScanner, &iter); | |
| // $.encoding[windows-1251|...] | return iter.element; |
| if(Value *vencoding=static_cast<Value *>(options->get(*new(pool) | } |
| String(pool, XDOC_OUTPUT_ENCODING_OPTION_NAME)))) { | |
| scharset=&vencoding->as_string(); | /* |
| } | static xmlNode * |
| } else | pa_importNode (xmlDoc& xmldoc, xmlNode& importedNode, bool deep) { |
| PTHROW(0, 0, | xmlNode *result = NULL; |
| &method_name, | |
| "options must be hash"); | switch (importedNode.type) { |
| } | case XML_ATTRIBUTE_NODE: |
| result = (xmlNode *)xmlCopyProp(xmldoc, (xmlAttr *)importedNode); | |
| result.parent=0; // no idea | |
| break; | |
| case XML_DOCUMENT_FRAG_NODE: | |
| case XML_ELEMENT_NODE: | |
| case XML_ENTITY_REF_NODE: | |
| case XML_PI_NODE: | |
| case XML_TEXT_NODE: | |
| case XML_CDATA_SECTION_NODE: | |
| case XML_COMMENT_NODE: | |
| result = xmlCopyNode (importedNode->n, deep); | |
| xmlSetTreeDoc (result, priv->n); | |
| break; | |
| default: | |
| *exc = GDOME_NOT_SUPPORTED_ERR; | |
| } | } |
| xalan_encoding.append(charset=scharset->cstr()); | return result; |
| if(!method/*default='xml'*/ || *method == XDOC_OUTPUT_METHOD_OPTION_VALUE_XML) { | } |
| content_type="text/xml"; | */ |
| listener=new FormatterToXML(writer, | |
| XalanDOMString(), // version | // Element createElement(in DOMString tagName) raises(DOMException); |
| true, // doIndent | static void _createElement(Request& r, MethodParams& params) { |
| XDOC_OUTPUT_DEFAULT_INDENT, // indent | xmlChar* tagName=as_xmlname(r, params, 0, "tagName must be string"); |
| xalan_encoding // encoding | |
| ); | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| } else if(*method == XDOC_OUTPUT_METHOD_OPTION_VALUE_HTML) { | xmlDoc& xmldoc=vdoc.get_xmldoc(); |
| content_type="text/html"; | |
| listener=new FormatterToHTML(writer, | xmlNode *node=xmlNewDocNode(&xmldoc, NULL, tagName, NULL); |
| xalan_encoding, // encoding | writeNode(r, vdoc, node); |
| XalanDOMString(), // mediaType | } |
| XalanDOMString(), // doctypeSystem; String to be printed at the top of the document | |
| XalanDOMString(), // doctypePublic | // Element createElementNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException); |
| true, // doIndent | static void _createElementNS(Request& r, MethodParams& params) { |
| XDOC_OUTPUT_DEFAULT_INDENT // indent | xmlChar* namespaceURI=as_xmlnsuri(r, params, 0); |
| ); | xmlChar* qualifiedName=as_xmlqname(r, params, 1); |
| } else if(*method == XDOC_OUTPUT_METHOD_OPTION_VALUE_TEXT) { | |
| content_type="text/plain"; | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| listener=new FormatterToText(writer, | xmlDoc& xmldoc=vdoc.get_xmldoc(); |
| xalan_encoding // encoding | |
| ); | xmlChar* prefix=0; |
| xmlChar* localName=xmlSplitQName2(qualifiedName, &prefix); | |
| xmlNode *node; | |
| if(localName) { | |
| xmlNs& ns=pa_xmlMapNs(xmldoc, namespaceURI, prefix); | |
| node=xmlNewDocNode(&xmldoc, &ns, localName, NULL); | |
| } else | } else |
| PTHROW(0, 0, | node=xmlNewDocNode(&xmldoc, NULL, qualifiedName/*unqualified, actually*/, NULL); |
| method, | writeNode(r, vdoc, node); |
| 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) { | // DocumentFragment createDocumentFragment() |
| Pool& pool=r.pool(); | static void _createDocumentFragment(Request& r, MethodParams&) { |
| VXnode& vnode=*static_cast<VXnode *>(r.self); | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| // filespec | xmlNode *node=xmlNewDocFragment(&xmldoc); |
| const String& file_name=params->as_string(0, "file name must not be code"); | writeNode(r, vdoc, node); |
| const char *filespec=r.absolute(file_name).cstr(String::UL_FILE_SPEC); | } |
| // node | |
| XalanNode& node=vnode.get_node(pool, &method_name); | |
| try { | // Text createTextNode(in DOMString data); |
| XalanFileOutputStream stream(XalanDOMString(filespec, strlen(filespec))); | static void _createTextNode(Request& r, MethodParams& params) { |
| XalanOutputStreamPrintWriter writer(stream); | xmlChar* data=as_xmlchar(r, params, 0, XML_DATA_MUST_BE_STRING); |
| const char *content_type, *charset; | |
| FormatterListener *formatterListener; | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| create_optioned_listener(content_type, charset, formatterListener, | xmlDoc& xmldoc=vdoc.get_xmldoc(); |
| pool, method_name, params, 1, writer); | |
| FormatterTreeWalker treeWalker(*formatterListener); | xmlNode *node=xmlNewDocText(&xmldoc, data); |
| treeWalker.traverse(&node); // Walk that node and produce the XML... | writeNode(r, vdoc, node); |
| } catch(const XSLException& e) { | |
| r._throw(&method_name, e); | |
| } | |
| } | } |
| static void _string(Request& r, const String& method_name, MethodParams *params) { | // Comment createComment(in DOMString data) |
| Pool& pool=r.pool(); | static void _createComment(Request& r, MethodParams& params) { |
| VXnode& vnode=*static_cast<VXnode *>(r.self); | xmlChar* data=as_xmlchar(r, params, 0, XML_DATA_MUST_BE_STRING); |
| // node | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| XalanNode& node=vnode.get_node(pool, &method_name); | |
| xmlNode *node=xmlNewComment(data); | |
| try { | writeNode(r, vdoc, node); |
| String parserString=*new(pool) String(pool); | |
| ParserStringXalanOutputStream stream(parserString); | |
| XalanOutputStreamPrintWriter writer(stream); | |
| const char *content_type, *charset; | |
| FormatterListener *formatterListener; | |
| create_optioned_listener(content_type, charset, formatterListener, | |
| pool, method_name, params, 0, writer); | |
| FormatterTreeWalker treeWalker(*formatterListener); | |
| treeWalker.traverse(&node); // Walk that node and produce the XML... | |
| // write out result | |
| r.write_no_lang(parserString); | |
| } catch(const XSLException& e) { | |
| r._throw(&method_name, e); | |
| } | |
| } | } |
| // CDATASection createCDATASection(in DOMString data) raises(DOMException); | |
| static void _createCDATASection(Request& r, MethodParams& params) { | |
| xmlChar* data=as_xmlchar(r, params, 0, XML_DATA_MUST_BE_STRING); | |
| static void _file(Request& r, const String& method_name, MethodParams *params) { | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| Pool& pool=r.pool(); | xmlDoc& xmldoc=vdoc.get_xmldoc(); |
| VXnode& vnode=*static_cast<VXnode *>(r.self); | |
| xmlNode *node=xmlNewCDataBlock(&xmldoc, data, strlen((const char*)data)); | |
| // node | writeNode(r, vdoc, node); |
| XalanNode& node=vnode.get_node(pool, &method_name); | |
| try { | |
| String& parserString=*new(pool) String(pool); | |
| ParserStringXalanOutputStream stream(parserString); | |
| XalanOutputStreamPrintWriter writer(stream); | |
| const char *content_type, *charset; | |
| FormatterListener *formatterListener; | |
| create_optioned_listener(content_type, charset, formatterListener, | |
| pool, method_name, params, 0, 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(); | |
| String *scontent_type=new(pool) String(pool, content_type); | |
| Value *vcontent_type; | |
| if(charset) { | |
| VHash *vhcontent_type=new(pool) VHash(pool); | |
| vhcontent_type->hash().put(*value_name, new(pool) VString(*scontent_type)); | |
| String *scharset=new(pool) String(pool, charset); | |
| vhcontent_type->hash().put(*new(pool) String(pool, "charset"), new(pool) VString(*scharset)); | |
| vcontent_type=vhcontent_type; | |
| } else | |
| vcontent_type=new(pool) VString(*scontent_type); | |
| vfile.set(false/*tainted*/, cstr, strlen(cstr), 0/*file_name*/, vcontent_type); | |
| r.write_no_lang(vfile); | |
| } catch(const XSLException& e) { | |
| r._throw(&method_name, e); | |
| } | |
| } | } |
| static void _set(Request& r, const String& method_name, MethodParams *params) { | // ProcessingInstruction createProcessingInstruction(in DOMString target,in DOMString data) raises(DOMException); |
| Pool& pool=r.pool(); | static void _createProcessingInstruction(Request& r, MethodParams& params) { |
| VXdoc& vdom=*static_cast<VXdoc *>(r.self); | xmlChar* target=as_xmlchar(r, params, 0, XML_DATA_MUST_BE_STRING); |
| xmlChar* data=as_xmlchar(r, params, 1, XML_DATA_MUST_BE_STRING); | |
| 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(); | |
| std::istrstream stream(xml.cstr()); | |
| const XalanParsedSource* parsedSource; | |
| int error=vdom.transformer().parseSource(&stream, parsedSource); | |
| if(error) | |
| PTHROW(0, 0, | |
| &method_name, | |
| vdom.transformer().getLastError()); | |
| // replace any previous parsed source | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| vdom.set_parsed_source(*parsedSource); | xmlDoc& xmldoc=vdoc.get_xmldoc(); |
| xmlNode *node=xmlNewDocPI(&xmldoc, target, data); | |
| writeNode(r, vdoc, node); | |
| } | } |
| static void _load(Request& r, const String& method_name, MethodParams *params) { | // Attr createAttribute(in DOMString name) raises(DOMException); |
| Pool& pool=r.pool(); | static void _createAttribute(Request& r, MethodParams& params) { |
| VXdoc& vdom=*static_cast<VXdoc *>(r.self); | xmlChar* name=as_xmlname(r, params, 0); |
| // filespec | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| const String& file_name=params->as_string(0, "file name must not be code"); | xmlDoc& xmldoc=vdoc.get_xmldoc(); |
| const char *filespec=r.absolute(file_name).cstr(String::UL_FILE_SPEC); | |
| xmlNode *node=(xmlNode*)xmlNewDocProp(&xmldoc, name, 0); | |
| writeNode(r, vdoc, node); | |
| } | |
| // Attr createAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException); | |
| static void _createAttributeNS(Request& r, MethodParams& params) { | |
| xmlChar* namespaceURI=as_xmlnsuri(r, params, 0); | |
| xmlChar* qualifiedName=as_xmlqname(r, params, 1); | |
| VXdoc& vdoc=GET_SELF(r, VXdoc); | |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| xmlChar* prefix=0; | |
| xmlChar* localName=xmlSplitQName2(qualifiedName, &prefix); | |
| xmlNode *node; | |
| if(localName) { | |
| xmlNs& ns=pa_xmlMapNs(xmldoc, namespaceURI, prefix); | |
| node=(xmlNode*)xmlNewDocProp(&xmldoc, localName, NULL); | |
| xmlSetNs(node, &ns); | |
| } else | |
| node=(xmlNode*)xmlNewDocProp(&xmldoc, qualifiedName/*unqualified, actually*/, NULL); | |
| writeNode(r, vdoc, node); | |
| } | |
| // EntityReference createEntityReference(in DOMString name) raises(DOMException); | |
| static void _createEntityReference(Request& r, MethodParams& params) { | |
| xmlChar* name=as_xmlname(r, params, 0); | |
| VXdoc& vdoc=GET_SELF(r, VXdoc); | |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| xmlNode *node=xmlNewReference(&xmldoc, name); | |
| writeNode(r, vdoc, node); | |
| } | |
| static void _getElementById(Request& r, MethodParams& params) { | |
| xmlChar* elementId=as_xmlname(r, params, 0, "elementID must be string"); | |
| VXdoc& vdoc=GET_SELF(r, VXdoc); | |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| if(xmlNode *node=pa_getElementById(xmldoc, elementId)) | |
| writeNode(r, vdoc, node); | |
| } | |
| static void _importNode(Request& r, MethodParams& params) { | |
| xmlNode& importedNode=as_node(params, 0, "importedNode must be node"); | |
| bool deep=params.as_bool(1, "deep must be bool", r); | |
| VXdoc& vdoc=GET_SELF(r, VXdoc); | |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| xmlNode *node=xmlDocCopyNode(&importedNode, &xmldoc, deep?1: 0); | |
| writeNode(r, vdoc, node); | |
| } | |
| /* | |
| GdomeElement *gdome_doc_createElementNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc); | |
| GdomeAttr *gdome_doc_createAttributeNS (GdomeDocument *self, GdomeDOMString *namespaceURI, GdomeDOMString *qualifiedName, GdomeException *exc); | |
| */ | |
| static void _create(Request& r, MethodParams& params) { | |
| Charset& source_charset=r.charsets.source(); | |
| VXdoc& vdoc=GET_SELF(r, VXdoc); | |
| Value& param=params[params.count()-1]; | |
| xmlDoc* xmldoc; | |
| bool set_encoding=false; | |
| if(param.get_junction()) { // {<?xml?>...} | |
| Temp_lang temp_lang(r, String::L_XML); | |
| const String& xml=r.process_to_string(param); | |
| String::Body sbody=xml.cstr_to_string_body_untaint(r.flang, r.connection(false), &r.charsets); | |
| xmldoc=xmlParseMemory(sbody.cstr(), sbody.length()); | |
| //printf("document=0x%p\n", document); | |
| if(!xmldoc || xmlHaveGenericErrors()) | |
| throw XmlException(0, r); | |
| // must be last action in if, see after if} | |
| } else { // [localName] | |
| if(const String* value = param.get_string()){ | |
| xmlChar* localName=r.transcode(*value); | |
| if(xmlValidateNCName(localName, 0) != 0) | |
| throw XmlException(0, XML_INVALID_LOCAL_NAME, localName); | |
| #if 0 | |
| GdomeDocumentType *documentType=gdome_di_createDocumentType ( | |
| docimpl, | |
| r.transcode(qualifiedName), | |
| 0/*publicId*/, | |
| 0/*systemId*/, | |
| &exc); | |
| if(!documentType || exc || xmlHaveGenericErrors()) | |
| throw Exception( | |
| method_name, | |
| exc); | |
| /// +xalan createXMLDecl ? | |
| #endif | |
| xmldoc=xmlNewDoc(0); | |
| if(!xmldoc || xmlHaveGenericErrors()) | |
| throw XmlException(0, r); | |
| xmlNode* node=xmlNewChild((xmlNode*)xmldoc, NULL, localName, NULL); | |
| if(!node || xmlHaveGenericErrors()) | |
| throw XmlException(0, r); | |
| set_encoding=true; | |
| // must be last action in if, see after if} | |
| } else { | |
| VFile* vfile=param.as_vfile(String::L_AS_IS); | |
| xmldoc=xmlParseMemory(vfile->value_ptr(), vfile->value_size()); | |
| if(!xmldoc || xmlHaveGenericErrors()) | |
| throw XmlException(0, r); | |
| } | |
| } | |
| // must be first action after if} | |
| // replace any previous parsed source | |
| vdoc.set_xmldoc(r.charsets, *xmldoc); | |
| const XalanParsedSource* parsedSource; | // URI |
| int error=vdom.transformer().parseSource(filespec, parsedSource); | const char* URI_cstr; |
| if(params.count()>1) { // absolute(param) | |
| const String& URI=params.as_string(0, "URI must be string"); | |
| URI_cstr=r.absolute(URI).cstr(); | |
| } else // default = disk path to requested document | |
| URI_cstr=r.request_info.path_translated; | |
| if(URI_cstr) | |
| xmldoc->URL=source_charset.transcode_buf2xchar(URI_cstr, strlen(URI_cstr)); | |
| if(set_encoding) { | |
| const char* source_charset_name=source_charset.NAME().cstr(); | |
| xmldoc->encoding=source_charset.transcode_buf2xchar(source_charset_name, strlen(source_charset_name)); | |
| } | |
| } | |
| if(error) | static void _load(Request& r, MethodParams& params) { |
| PTHROW(0, 0, | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| &file_name, | |
| vdom.transformer().getLastError()); | |
| // filespec | |
| const String* uri=¶ms.as_string(0, "URI must be string"); | |
| const char* uri_cstr; | |
| if(uri->pos("://")==STRING_NOT_FOUND) // disk path | |
| uri_cstr=r.absolute(*uri).taint_cstr(String::L_FILE_SPEC); | |
| else // xxx:// | |
| uri_cstr=uri->taint_cstr(String::L_AS_IS); // leave as-is for xmlParseFile to handle | |
| /// @todo!! add SAFE MODE!! | |
| xmlDoc* xmldoc=xmlParseFile(uri_cstr); | |
| if(!xmldoc || xmlHaveGenericErrors()) | |
| throw XmlException(uri, r); | |
| // must be first action after if} | |
| // replace any previous parsed source | // replace any previous parsed source |
| vdom.set_parsed_source(*parsedSource); | vdoc.set_xmldoc(r.charsets, *xmldoc); |
| } | } |
| static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning, | String::C xdoc2buf(Request& r, VXdoc& vdoc, |
| void *info) { | XDocOutputOptions& oo, |
| XalanTransformer& transformer=*static_cast<XalanTransformer *>(info); | const String* file_spec, |
| const char *attribute_cstr=aattribute.cstr(); | bool use_source_charset_to_render_and_client_charset_to_write_to_header=false) { |
| const char *meaning_cstr=static_cast<Value *>(ameaning)->as_string().cstr(); | Charset* render=0; |
| Charset* header=0; | |
| transformer.setStylesheetParam( | if(use_source_charset_to_render_and_client_charset_to_write_to_header) { |
| XalanDOMString(attribute_cstr), | render=&r.charsets.source(); |
| XalanDOMString(meaning_cstr)); | header=&r.charsets.client(); |
| } | } else { |
| static void _xslt(Request& r, const String& method_name, MethodParams *params) { | header=render=&charsets.get(oo.encoding->change_case(r.charsets.source(), String::CC_UPPER)); |
| Pool& pool=r.pool(); | } |
| VXdoc& vdom=*static_cast<VXdoc *>(r.self); | const char* render_encoding=render->NAME_CSTR(); |
| const char* header_encoding=header->NAME_CSTR(); | |
| xmlCharEncodingHandler *renderer=xmlFindCharEncodingHandler(render_encoding); | |
| // UTF-8 renderer contains empty input/output converters, | |
| // which is wrong for xmlOutputBufferCreateIO | |
| // while zero renderer goes perfectly | |
| if(render->isUTF8()) | |
| renderer=0; | |
| xmlOutputBuffer_auto_ptr outputBuffer(xmlAllocOutputBuffer(renderer)); | |
| xsltStylesheet_auto_ptr stylesheet(xsltNewStylesheet()); | |
| if(!stylesheet.get()) | |
| throw Exception(0, | |
| 0, | |
| "xsltNewStylesheet failed"); | |
| #define OOSTRING2STYLE(name) \ | |
| stylesheet->name=oo.name?BAD_CAST xmlMemStrdup((const char*)r.transcode(*oo.name)):0 | |
| #define OOBOOL2STYLE(name) \ | |
| if(oo.name>=0) stylesheet->name=oo.name | |
| OOSTRING2STYLE(method); | |
| OOSTRING2STYLE(encoding); | |
| OOSTRING2STYLE(mediaType); | |
| // OOSTRING2STYLE(doctypeSystem); | |
| // OOSTRING2STYLE(doctypePublic); | |
| OOBOOL2STYLE(indent); | |
| OOSTRING2STYLE(version); | |
| OOBOOL2STYLE(standalone); | |
| OOBOOL2STYLE(omitXmlDeclaration); | |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| xmldoc.encoding=BAD_CAST xmlMemStrdup(render_encoding); | |
| if(header_encoding) | |
| stylesheet->encoding=BAD_CAST xmlMemStrdup(header_encoding); | |
| if(xsltSaveResultTo(outputBuffer.get(), &xmldoc, stylesheet.get())<0 | |
| || xmlHaveGenericErrors()) | |
| throw XmlException(0, r); | |
| // params | // write out result |
| if(params->size()>1) { | char *gnome_str; |
| Value& vparams=params->as_no_junction(1, "transform parameters parameter must not be code"); | size_t gnome_length; |
| if(vparams.is_defined()) | #ifdef LIBXML2_NEW_BUFFER |
| if(Hash *params=vparams.get_hash()) | if(outputBuffer->conv) { |
| params->for_each(add_xslt_param, &vdom.transformer()); | gnome_length=xmlBufUse(outputBuffer->conv); |
| else | gnome_str=(char *)xmlBufContent(outputBuffer->conv); |
| PTHROW(0, 0, | } else { |
| &method_name, | gnome_length=xmlOutputBufferGetSize(&(*outputBuffer)); |
| "transform parameters parameter must be hash"); | gnome_str=(char *)xmlOutputBufferGetContent(&(*outputBuffer)); |
| } | |
| #else | |
| if(outputBuffer->conv) { | |
| gnome_length=outputBuffer->conv->use; | |
| gnome_str=(char *)outputBuffer->conv->content; | |
| } else { | |
| gnome_length=outputBuffer->buffer->use; | |
| gnome_str=(char *)outputBuffer->buffer->content; | |
| } | } |
| #endif | |
| if(file_spec){ | |
| file_write(r.charsets, | |
| *file_spec, | |
| gnome_str, | |
| gnome_length, | |
| true/*as_text*/); | |
| return String::C(); // actually, we don't need this output at all | |
| } else | |
| return String::C(gnome_length ? pa_strdup(gnome_str, gnome_length) : 0, gnome_length); | |
| } | |
| inline HashStringValue* get_options(MethodParams& params, size_t index){ | |
| return (params.count()>index) ? params.as_hash(index) : 0; | |
| } | |
| // source | static void _file(Request& r, MethodParams& params) { |
| const XalanParsedSource &parsed_source=vdom.get_parsed_source(pool, &method_name); | VXdoc& vdoc=GET_SELF(r, VXdoc); |
| // stylesheet | XDocOutputOptions oo(vdoc.output_options); |
| const String& stylesheet_file_name=params->as_string(0, "file name must not be code"); | oo.append(r, get_options(params, 0), true/* $.name[filename] could be specified by user */); |
| const String& stylesheet_filespec=r.absolute(stylesheet_file_name); | String::C buf=xdoc2buf(r, vdoc, oo, 0/*file_name. not to file, to memory*/); |
| //_asm int 3; | |
| Stylesheet_connection& connection=XSLT_stylesheet_manager->get_connection(stylesheet_filespec); | VFile& vfile=*new VFile; |
| VHash& vhcontent_type=*new VHash; | |
| // target | vhcontent_type.hash().put(value_name, new VString(*oo.mediaType)); |
| XalanDocument* target=vdom.parser_liaison().createDocument(); | vhcontent_type.hash().put("charset", new VString(*oo.encoding)); |
| XSLTResultTarget domResultTarget(target); | |
| vfile.set_binary(false/*not tainted*/, buf.str?buf.str:""/*to distinguish from stat-ed file*/, buf.length, oo.filename, &vhcontent_type); | |
| // transform | |
| int error=vdom.transformer().transform( | |
| parsed_source, | |
| &connection.stylesheet(), | |
| domResultTarget); | |
| connection.close(); | |
| if(error) | |
| PTHROW(0, 0, | |
| &stylesheet_file_name, | |
| vdom.transformer().getLastError()); | |
| // write out result | // write out result |
| VXdoc& result=*new(pool) VXdoc(pool); | r.write_no_lang(vfile); |
| result.set_document(*target); | } |
| r.write_no_lang(result); | |
| static void _save(Request& r, MethodParams& params) { | |
| VXdoc& vdoc=GET_SELF(r, VXdoc); | |
| const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING)); | |
| XDocOutputOptions oo(vdoc.output_options); | |
| oo.append(r, get_options(params, 1)); | |
| xdoc2buf(r, vdoc, oo, &file_spec); | |
| } | |
| static void _string(Request& r, MethodParams& params) { | |
| VXdoc& vdoc=GET_SELF(r, VXdoc); | |
| XDocOutputOptions oo(vdoc.output_options); | |
| oo.append(r, get_options(params, 0)); | |
| String::C buf=xdoc2buf(r, vdoc, oo, | |
| 0/*file_name. not to file, to memory*/, | |
| true/*use source charset to render, client charset to put to header*/); | |
| // write out result | |
| r.write_no_lang(String(buf, String::L_AS_IS)); | |
| } | |
| #ifndef DOXYGEN | |
| struct Add_xslt_param_info { | |
| Request* r; | |
| Array<const xmlChar*>* strings; | |
| const xmlChar** current_transform_param; | |
| }; | |
| #endif | |
| static void add_xslt_param( | |
| HashStringValue::key_type attribute, | |
| HashStringValue::value_type meaning, | |
| Add_xslt_param_info* info) { | |
| xmlChar* s; | |
| *info->current_transform_param++=(s=info->r->transcode(attribute)); *info->strings+=s; | |
| *info->current_transform_param++=(s=info->r->transcode(meaning->as_string())); *info->strings+=s; | |
| } | |
| static VXdoc& _transform(Request& r, const String* stylesheet_source, | |
| VXdoc& vdoc, xsltStylesheetPtr stylesheet, const xmlChar** transform_params) | |
| { | |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| xsltTransformContext_auto_ptr transformContext( | |
| xsltNewTransformContext(stylesheet, &xmldoc)); | |
| // make params literal | |
| if (transformContext->globalVars == NULL) // strangly not initialized by xsltNewTransformContext | |
| transformContext->globalVars = xmlHashCreate(20); | |
| xsltQuoteUserParams(transformContext.get(), (const char**)transform_params); | |
| // do transform | |
| xmlDoc *transformed=xsltApplyStylesheetUser( | |
| stylesheet, | |
| &xmldoc, | |
| 0/*already quoted-inserted transform_params*/, | |
| 0/*const char* output*/, | |
| 0/*FILE *profile*/, | |
| transformContext.get()); | |
| if(!transformed || xmlHaveGenericErrors()) | |
| throw XmlException(stylesheet_source, r); | |
| //gdome_xml_doc_mkref dislikes XML_HTML_DOCUMENT_NODE type, fixing | |
| transformed->type=XML_DOCUMENT_NODE; | |
| // constructing result | |
| VXdoc& result=*new VXdoc(r.charsets, *transformed); | |
| /* grabbing options | |
| <xsl:output | |
| !method = "xml" | "html" | "text" | |
| X| qname-but-not-ncname | |
| !version = nmtoken | |
| !encoding = string | |
| !omit-xml-declaration = "yes" | "no" | |
| !standalone = "yes" | "no" | |
| !doctype-public = string | |
| !doctype-system = string | |
| Xcdata-section-elements = qnames | |
| !indent = "yes" | "no" | |
| !media-type = string /> | |
| */ | |
| XDocOutputOptions& oo=result.output_options; | |
| oo.method=stylesheet->method?&r.transcode(stylesheet->method):0; | |
| oo.encoding=stylesheet->encoding?&r.transcode(stylesheet->encoding):0; | |
| oo.mediaType=stylesheet->mediaType?&r.transcode(stylesheet->mediaType):0; | |
| oo.indent=stylesheet->indent; | |
| oo.version=stylesheet->version?&r.transcode(stylesheet->version):0; | |
| oo.standalone=stylesheet->standalone; | |
| oo.omitXmlDeclaration=stylesheet->omitXmlDeclaration; | |
| // return | |
| return result; | |
| } | |
| static void _transform(Request& r, MethodParams& params) { | |
| VXdoc& vdoc=GET_SELF(r, VXdoc); | |
| // params | |
| Array<const xmlChar*> transform_strings; | |
| const xmlChar** transform_params=0; | |
| if(params.count()>1) | |
| if(HashStringValue* hash=params.as_hash(1, "transform options")) { | |
| transform_params=new const xmlChar*[hash->count()*2+1]; | |
| Add_xslt_param_info info={ | |
| &r, | |
| &transform_strings, | |
| transform_params | |
| }; | |
| hash->for_each<Add_xslt_param_info*>(add_xslt_param, &info); | |
| transform_params[hash->count()*2]=0; | |
| } | |
| VXdoc* result; | |
| if(Value *vxdoc=params[0].as(VXDOC_TYPE)) { // stylesheet (xdoc) | |
| xmlDoc& stylesheetdoc=static_cast<VXdoc *>(vxdoc)->get_xmldoc(); | |
| // compile xdoc stylesheet | |
| xsltStylesheet_auto_ptr stylesheet_ptr(xsltParseStylesheetDoc(&stylesheetdoc)); | |
| if(xmlHaveGenericErrors()) | |
| throw XmlException(0, r); | |
| if(!stylesheet_ptr.get()) | |
| throw Exception("xml", | |
| 0, | |
| "stylesheet failed to compile"); | |
| // strange thing - xsltParseStylesheetDoc records document and destroys it in stylesheet destructor | |
| // we don't need that | |
| stylesheet_ptr->doc=0; | |
| // transform! | |
| result=&_transform(r, 0, | |
| vdoc, stylesheet_ptr.get(), | |
| transform_params); | |
| } else { // stylesheet (file name) | |
| // extablish stylesheet connection | |
| const String& stylesheet_filespec= | |
| r.absolute(params.as_string(0, "stylesheet must be file name (string) or DOM document (xdoc)")); | |
| Stylesheet_connection_ptr connection=stylesheet_manager->get_connection(stylesheet_filespec); | |
| // load and compile file to stylesheet [or get cached if any] | |
| // transform! | |
| result=&_transform(r, &stylesheet_filespec, vdoc, connection->stylesheet(), | |
| transform_params); | |
| } | |
| // write out result | |
| r.write_no_lang(*result); | |
| } | } |
| // constructor | // constructor |
| MXdoc::MXdoc(Pool& apool) : MXnode(apool) { | /// @test how to create empty type html? |
| set_name(*NEW String(pool(), XDOC_CLASS_NAME)); | MXdoc::MXdoc(): MXnode(XDOC_CLASS_NAME, xnode_class) { |
| /// 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); | |
| /// DOM2 | |
| // ^xdoc.getElementById[elementId] | |
| add_native_method("getElementById", Method::CT_DYNAMIC, _getElementById, 1, 1); | |
| // Node (in Node importedNode, in boolean deep) raises(DOMException) | |
| add_native_method("importNode", Method::CT_DYNAMIC, _importNode, 2, 2); | |
| // ^dom.save[some.xml] | // Attr createAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException); |
| // ^dom.save[some.xml;options hash] | add_native_method("createAttributeNS", Method::CT_DYNAMIC, _createAttributeNS, 2, 2); |
| // Element createElementNS(in DOMString namespaceURI, in DOMString qualifiedName) raises(DOMException); | |
| add_native_method("createElementNS", Method::CT_DYNAMIC, _createElementNS, 2, 2); | |
| /// parser | |
| // ^xdoc::create{qualifiedName} | |
| // ^xdoc::create[<some>xml</some>] | |
| // ^xdoc::create[URI][<some>xml</some>] | |
| add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2); | |
| // for backward compatibility with <=v 1.82 2002/01/31 11:51:46 paf | |
| add_native_method("set", Method::CT_DYNAMIC, _create, 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); | add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); |
| // ^dom.string[] <doc/> | // ^xdoc.string[] <doc/> |
| // ^dom.string[options hash] <doc/> | // ^xdoc.string[options hash] <doc/> |
| add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1); | add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1); |
| // ^dom.file[] file with "<doc/>" | // ^xdoc.file[] file with "<doc/>" |
| // ^dom.file[options hash] file with "<doc/>" | // ^xdoc.file[options hash] file with "<doc/>" |
| add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1); | add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1); |
| // ^dom::set[<some>xml</some>] | // ^xdoc.transform[stylesheet file_name/xdoc] |
| add_native_method("set", Method::CT_DYNAMIC, _set, 1, 1); | // ^xdoc.transform[stylesheet file_name/xdoc;params hash] |
| add_native_method("transform", Method::CT_DYNAMIC, _transform, 1, 2); | |
| // ^dom::load[some.xml] | |
| add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1); | |
| // ^dom.xslt[stylesheet file_name] | |
| // ^dom.xslt[stylesheet file_name;params hash] | |
| add_native_method("xslt", Method::CT_DYNAMIC, _xslt, 1, 2); | |
| } | } |
| // global variable | |
| Methoded *Xdoc_class; | # else |
| // creator | #include "classes.h" |
| #endif | // global variable |
| DECLARE_CLASS_VAR(xdoc, 0); // fictive | |
| Methoded *MXdoc_create(Pool& pool) { | |
| return | |
| #ifdef XML | |
| Xdoc_class=new(pool) MXdoc(pool); | |
| #else | |
| 0 | |
| #endif | #endif |
| ; | |
| } |