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| version 1.2, 2001/09/26 15:43:59 | version 1.78, 2007/08/20 08:56:46 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b dom parser class. | Parser: @b dom parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2005 ArtLebedev Group (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 "classes.h" |
| #ifdef XML | #ifdef XML |
| static const char * const IDENT_XNODE_C="$Date$"; | |
| #include "pa_vmethod_frame.h" | |
| #include "pa_charset.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vxnode.h" | #include "pa_vxnode.h" |
| #include "pa_vxdoc.h" | |
| #include "pa_vvoid.h" | |
| #include "pa_xml_exception.h" | |
| #include "pa_vbool.h" | |
| #include "xnode.h" | #include "xnode.h" |
| #include "libxml/xpath.h" | |
| #include "libxml/xpathInternals.h" | |
| // global variable | |
| DECLARE_CLASS_VAR(xnode, new MXnode, 0); | |
| // classes | |
| class xmlXPathObject_auto_ptr { | |
| public: | |
| explicit xmlXPathObject_auto_ptr(xmlXPathObject *_APtr = 0) | |
| : _Owns(_APtr != 0), _Ptr(_APtr) {} | |
| xmlXPathObject_auto_ptr(const xmlXPathObject_auto_ptr& _Y) | |
| : _Owns(_Y._Owns), _Ptr(_Y.release()) {} | |
| xmlXPathObject_auto_ptr& operator=(const xmlXPathObject_auto_ptr& _Y) | |
| {if (this != &_Y) | |
| {if (_Ptr != _Y.get()) | |
| {if (_Owns && _Ptr) | |
| xmlXPathFreeObject(_Ptr); | |
| _Owns = _Y._Owns; } | |
| else if (_Y._Owns) | |
| _Owns = true; | |
| _Ptr = _Y.release(); } | |
| return (*this); } | |
| ~xmlXPathObject_auto_ptr() | |
| {if (_Owns && _Ptr) | |
| xmlXPathFreeObject(_Ptr); } | |
| xmlXPathObject& operator*() const | |
| {return (*get()); } | |
| xmlXPathObject *operator->() const | |
| {return (get()); } | |
| xmlXPathObject *get() const | |
| {return (_Ptr); } | |
| xmlXPathObject *release() const | |
| {((xmlXPathObject_auto_ptr *)this)->_Owns = false; | |
| return (_Ptr); } | |
| private: | |
| bool _Owns; | |
| xmlXPathObject *_Ptr; | |
| }; | |
| class xmlXPathContext_auto_ptr { | |
| public: | |
| explicit xmlXPathContext_auto_ptr(xmlXPathContext *_APtr = 0) | |
| : _Owns(_APtr != 0), _Ptr(_APtr) {} | |
| xmlXPathContext_auto_ptr(const xmlXPathContext_auto_ptr& _Y) | |
| : _Owns(_Y._Owns), _Ptr(_Y.release()) {} | |
| xmlXPathContext_auto_ptr& operator=(const xmlXPathContext_auto_ptr& _Y) | |
| {if (this != &_Y) | |
| {if (_Ptr != _Y.get()) | |
| {if (_Owns && _Ptr) | |
| xmlXPathFreeContext(_Ptr); | |
| _Owns = _Y._Owns; } | |
| else if (_Y._Owns) | |
| _Owns = true; | |
| _Ptr = _Y.release(); } | |
| return (*this); } | |
| ~xmlXPathContext_auto_ptr() | |
| {if (_Owns && _Ptr) | |
| xmlXPathFreeContext(_Ptr); } | |
| xmlXPathContext& operator*() const | |
| {return (*get()); } | |
| xmlXPathContext *operator->() const | |
| {return (get()); } | |
| xmlXPathContext *get() const | |
| {return (_Ptr); } | |
| xmlXPathContext *release() const | |
| {((xmlXPathContext_auto_ptr *)this)->_Owns = false; | |
| return (_Ptr); } | |
| private: | |
| bool _Owns; | |
| xmlXPathContext *_Ptr; | |
| }; | |
| // helpers | |
| xmlNode& as_node(MethodParams& params, int index, const char* msg) { | |
| Value& value=params.as_no_junction(index, msg); | |
| if(Value* vxnode=value.as(VXNODE_TYPE, false)) | |
| return static_cast<VXnode*>(vxnode)->get_xmlnode(); | |
| else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| msg); | |
| } | |
| xmlChar* as_xmlchar(Request& r, MethodParams& params, int index, const char* msg) { | |
| return r.transcode(params.as_string(index, msg)); | |
| } | |
| xmlAttr& as_attr(MethodParams& params, int index, const char* msg) { | |
| xmlNode& xmlnode=as_node(params, index, msg); | |
| if(xmlnode.type!=XML_ATTRIBUTE_NODE) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| msg); | |
| return *(xmlAttr*)&xmlnode; | |
| } | |
| static void writeNode(Request& r, VXdoc& xdoc, xmlNode* node) { | |
| if(!node|| xmlHaveGenericErrors()) | |
| throw XmlException(0); // OOM, bad name, things like that | |
| // write out result | |
| r.write_no_lang(xdoc.wrap(*node)); | |
| } | |
| static xmlNode* pa_getAttributeNodeNS(xmlNode& selfNode, | |
| const xmlChar* localName, | |
| const xmlChar* namespaceURI) | |
| { | |
| for(xmlNode* currentNode=(xmlNode*)selfNode.properties; | |
| currentNode; | |
| currentNode=currentNode->next) | |
| { | |
| if(!namespaceURI || currentNode->ns && xmlStrEqual(currentNode->ns->href, namespaceURI)) | |
| if(!localName || xmlStrEqual(currentNode->name, localName)) | |
| return currentNode; | |
| } | |
| return 0; | |
| } | |
| xmlNs& pa_xmlMapNs(xmlDoc& doc, const xmlChar *href, const xmlChar *prefix) { | |
| assert(href); | |
| // prefix can be null | |
| xmlNs *cur=doc.oldNs; | |
| while (cur != NULL && | |
| ((cur->prefix == NULL && prefix != NULL) || | |
| (cur->prefix != NULL && prefix == NULL) || | |
| !xmlStrEqual (cur->prefix, prefix)) && | |
| !xmlStrEqual (cur->href, href)) | |
| cur = cur->next; | |
| if (cur == NULL) { | |
| cur = xmlNewNs (NULL, href, prefix); | |
| if(!cur || xmlHaveGenericErrors()) | |
| throw XmlException(0); | |
| cur->next = doc.oldNs; | |
| doc.oldNs = cur; | |
| } | |
| return *cur; | |
| } | |
| #include <util/XMLString.hpp> | /// todo: проверить, обновляется ли parent! |
| #include <XalanSourceTree/XalanSourceTreeDOMSupport.hpp> | static void pa_addAttributeNode(xmlNode& selfNode, xmlAttr& attrNode) |
| #include <XPath/XPathEvaluator.hpp> | { |
| #include <XPath/NodeRefList.hpp> | if(attrNode.type!=XML_ATTRIBUTE_NODE) |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "must be ATTRIBUTE_NODE"); | |
| /* | |
| * Add it at the end to preserve parsing order ... | |
| */ | |
| if (selfNode.properties == NULL) { | |
| selfNode.properties = &attrNode; | |
| } else { | |
| xmlAttrPtr prev = selfNode.properties; | |
| while (prev->next != NULL) | |
| prev = prev->next; | |
| prev->next = &attrNode; | |
| attrNode.prev = prev; | |
| } | |
| // defines | if (xmlIsID(selfNode.doc, &selfNode, &attrNode) == 1) |
| xmlAddID(NULL, selfNode.doc, xmlNodeGetContent((xmlNode*)&attrNode), &attrNode); | |
| } | |
| static const xmlChar * | |
| pa_xmlGetNsURI(xmlNode *node) { | |
| if (node == NULL || node->ns == NULL) | |
| return NULL; | |
| return node->ns->href; | |
| } | |
| #ifndef DOXYGEN | |
| struct AccumulateFoundInfo | |
| { | |
| HashStringValue* hash; | |
| VXdoc* vdoc; | |
| int index; | |
| }; | |
| #endif | |
| static void AccumulateFound(xmlNode& node, AccumulateFoundInfo* info) | |
| { | |
| info->hash->put( | |
| String::Body::Format(info->index++), | |
| &info->vdoc->wrap(node)); | |
| } | |
| template<typename I> static void | |
| pa_xmlNamedPreorderTraversal ( | |
| xmlNode *root, | |
| xmlChar *tagURI, | |
| xmlChar *tagName, | |
| void callback(xmlNode& node, I info), | |
| I info) | |
| { | |
| for(xmlNode *iter=root->children; iter; iter = iter->next) { | |
| if(iter->type == XML_ELEMENT_NODE && | |
| (xmlStrEqual(iter->name, tagName) || | |
| xmlStrEqual(tagName, (const xmlChar*)"*"))) { | |
| if(tagURI != NULL && | |
| (xmlStrEqual(pa_xmlGetNsURI(iter), tagURI) || | |
| xmlStrEqual(tagURI, (const xmlChar*)"*"))) | |
| callback(*iter, info); | |
| else if(tagURI == NULL) | |
| callback(*iter, info); | |
| } | |
| pa_xmlNamedPreorderTraversal(iter, tagURI, tagName, callback, info); | |
| } | |
| #define XNODE_CLASS_NAME "xnode" | return; |
| } | |
| // class | |
| // methods | // methods |
| static void _select(Request& r, const String& method_name, MethodParams *params) { | // DOM1 node |
| // _asm int 3; | |
| Pool& pool=r.pool(); | // Node insertBefore(in Node newChild,in Node refChild) raises(DOMException); |
| VXnode& vnode=*static_cast<VXnode *>(r.self); | static void _insertBefore(Request& r, MethodParams& params) { |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| //xmlNode& selfNode=vnode.get_xmlnode(); | |
| xmlNode& newChild=as_node(params, 0, "newChild must be node"); | |
| xmlNode& refChild=as_node(params, 1, "refChild must be node"); | |
| xmlNode* retNode=xmlAddPrevSibling(&refChild, &newChild); | |
| // write out result | |
| writeNode(r, vxdoc, retNode); | |
| } | |
| // Node replaceChild(in Node newChild,in Node oldChild) raises(DOMException); | |
| static void _replaceChild(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlDoc& xmldoc=vxdoc.get_xmldoc(); | |
| xmlNode& selfNode=vnode.get_xmlnode(); | |
| xmlNode& newChild=as_node(params, 0, "newChild must be node"); | |
| xmlNode& oldChild=as_node(params, 1, "oldChild must be node"); | |
| if(newChild.doc!=&xmldoc) | |
| throw Exception("xml.dom", | |
| 0, | |
| "WRONG_DOCUMENT_ERR"); | |
| if(oldChild.doc!=&xmldoc) | |
| throw Exception("xml.dom", | |
| 0, | |
| "WRONG_DOCUMENT_ERR"); | |
| if(oldChild.parent!=&selfNode) | |
| throw Exception("xml.dom", | |
| 0, | |
| "NOT_FOUND_ERR"); | |
| xmlNode* refChild=oldChild.next; | |
| xmlUnlinkNode(&oldChild); | |
| xmlNode* retNode; | |
| if(refChild) | |
| retNode=xmlAddPrevSibling(refChild, &newChild); | |
| else | |
| retNode=xmlAddChild(&selfNode, &newChild); | |
| // write out result | |
| writeNode(r, vxdoc, retNode); | |
| } | |
| // Node removeChild(in Node oldChild) raises(DOMException); | |
| static void _removeChild(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlDoc& xmldoc=vxdoc.get_xmldoc(); | |
| // xmlNode& selfNode=vnode.get_xmlnode(); | |
| xmlNode& oldChild=as_node(params, 0, "refChild must be node"); | |
| if(oldChild.doc!=&xmldoc) | |
| throw Exception("xml.dom", | |
| 0, | |
| "WRONG_DOCUMENT_ERR"); | |
| xmlUnlinkNode(&oldChild); | |
| // write out result | |
| writeNode(r, vxdoc, &oldChild); | |
| } | |
| // Node appendChild(in Node newChild) raises(DOMException); | |
| static void _appendChild(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlNode& selfNode=vnode.get_xmlnode(); | |
| xmlNode& newChild=as_node(params, 0, "newChild must be node"); | |
| xmlNode* retNode=xmlAddChild(&selfNode, &newChild); | |
| // write out result | |
| writeNode(r, vxdoc, retNode); | |
| } | |
| // boolean hasChildNodes(); | |
| static void _hasChildNodes(Request& r, MethodParams&) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& node=vnode.get_xmlnode(); | |
| // write out result | |
| bool result=node.children!=0; | |
| r.write_no_lang(*new VBool(result)); | |
| } | |
| // Node cloneNode(in boolean deep); | |
| static void _cloneNode(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& selfNode=vnode.get_xmlnode(); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlDoc& xmldoc=vxdoc.get_xmldoc(); | |
| bool deep=params.as_bool(0, "deep must be bool", r); | |
| xmlNode* retNode=xmlDocCopyNode(&selfNode, &xmldoc, deep?1: 0); | |
| // write out result | |
| writeNode(r, vxdoc, retNode); | |
| } | |
| // DOM1 element | |
| xmlNode& get_self_element(VXnode& vnode) { | |
| xmlNode& node=vnode.get_xmlnode(); | |
| if(node.type!=XML_ELEMENT_NODE) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "method can only be called on nodes of ELEMENT type"); | |
| return node; | |
| } | |
| static void _getAttribute(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| const xmlChar* name=as_xmlchar(r, params, 0, "name must be string"); | |
| // todo: when name="xmlns" | |
| xmlChar* attribute_value=xmlGetProp(&element, name); | |
| // write out result | |
| r.write_pass_lang(r.transcode(attribute_value)); | |
| } | |
| // void setAttribute(in DOMString name, in DOMString value) raises(DOMException); | |
| static void _setAttribute(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| const xmlChar* name=as_xmlchar(r, params, 0, "name must be string"); | |
| const xmlChar* attribute_value=as_xmlchar(r, params, 1, "value must be string"); | |
| // todo: when name="xmlns" | |
| if(!xmlSetProp(&element, name, attribute_value)) | |
| throw XmlException(0); | |
| } | |
| // void removeAttribute(in DOMString name) raises(DOMException); | |
| static void _removeAttribute(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| const xmlChar* name=as_xmlchar(r, params, 0, "name must be string"); | |
| // todo: when name="xmlns" | |
| xmlUnsetProp(&element, name); | |
| } | |
| // Attr getAttributeNode(in DOMString name); | |
| static void _getAttributeNode(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlNode& element=get_self_element(vnode); | |
| const xmlChar* localName=as_xmlchar(r, params, 0, "name must be string"); | |
| if(xmlNode* retNode=pa_getAttributeNodeNS(element, localName, 0)){ | |
| // write out result | |
| writeNode(r, vxdoc, retNode); | |
| } | |
| } | |
| // Attr setAttributeNode(in Attr newAttr) raises(DOMException); | |
| // Attr setAttributeNodeNS(in Attr newAttr) raises(DOMException); | |
| static void _setAttributeNode(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlNode& element=get_self_element(vnode); | |
| xmlDoc& xmldoc=vxdoc.get_xmldoc(); | |
| xmlAttr& newAttr=as_attr(params, 0, "newAttr must be ATTRIBUTE node"); | |
| if(newAttr.doc!=&xmldoc) | |
| throw Exception("xml.dom", | |
| 0, | |
| "WRONG_DOCUMENT_ERR"); | |
| if(newAttr.parent) | |
| throw Exception("xml.dom", | |
| 0, | |
| "INUSE_ATTRIBUTE_ERR"); | |
| if(xmlNode* retNode=pa_getAttributeNodeNS(element, newAttr.name, pa_xmlGetNsURI((xmlNode*)&newAttr))) { | |
| // write out result | |
| writeNode(r, vxdoc, retNode); | |
| xmlUnlinkNode(retNode); | |
| } | |
| pa_addAttributeNode(element, newAttr); | |
| } | |
| // Attr removeAttributeNode(in Attr oldAttr) raises(DOMException); | |
| static void _removeAttributeNode(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlNode& element=get_self_element(vnode); | |
| xmlAttr& oldAttr=as_attr(params, 0, "oldAttr must be ATTRIBUTE node"); | |
| if(oldAttr.parent!=&element) | |
| throw Exception("xml.dom", | |
| 0, | |
| "NOT_FOUND_ERR"); | |
| xmlUnlinkNode((xmlNode*)&oldAttr); | |
| // write out result | |
| writeNode(r, vxdoc, (xmlNode*)&oldAttr); | |
| } | |
| // NodeList getElementsByTagName(in DOMString name); | |
| static void _getElementsByTagName(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlNode& xmlnode=vnode.get_xmlnode(); | |
| xmlChar* tagName=as_xmlchar(r, params, 0, "name must be string"); | |
| VHash& result=*new VHash; | |
| AccumulateFoundInfo info={&result.hash(), &vxdoc, 0}; | |
| pa_xmlNamedPreorderTraversal(&xmlnode, | |
| 0, | |
| tagName, | |
| AccumulateFound, | |
| &info); | |
| // write out result | |
| r.write_no_lang(result); | |
| } | |
| // DOM 2 | |
| // DOMString getAttributeNS(in DOMString namespaceURI, in DOMString localName); | |
| static void _getAttributeNS(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| xmlChar* namespaceURI=as_xmlchar(r, params, 0, "namespaceURI must be string"); | |
| xmlChar* localName=as_xmlchar(r, params, 1, "localName must be string"); | |
| // todo: when name="xmlns" | |
| xmlChar* attribute_value=xmlGetNsProp(&element, localName, namespaceURI); | |
| // write out result | |
| r.write_pass_lang(r.transcode(attribute_value)); | |
| } | |
| // void setAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName, in DOMString value) raises(DOMException); | |
| static void _setAttributeNS(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlDoc& xmldoc=vxdoc.get_xmldoc(); | |
| const xmlChar* namespaceURI=as_xmlchar(r, params, 0, "namespaceURI must be string"); | |
| const xmlChar* qualifiedName=as_xmlchar(r, params, 1, "qualifiedName must be string"); | |
| const xmlChar* attribute_value=as_xmlchar(r, params, 2, "value must be string"); | |
| xmlChar* prefix=0; | |
| xmlChar* localName=xmlSplitQName2(qualifiedName, &prefix); | |
| // todo: name=xmlns | |
| xmlAttr* attrNode; | |
| if(localName) { | |
| xmlNs& ns=pa_xmlMapNs(xmldoc, namespaceURI, prefix); | |
| attrNode=xmlSetNsProp(&element, &ns, | |
| localName, | |
| attribute_value); | |
| } else { | |
| attrNode=xmlSetProp(&element, | |
| qualifiedName/*unqualified, actually*/, | |
| attribute_value); | |
| } | |
| if(!attrNode) | |
| throw XmlException(0); | |
| } | |
| // void removeAttributeNS(in DOMString namespaceURI, in DOMString localName) raises(DOMException); | |
| static void _removeAttributeNS(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlDoc& xmldoc=vxdoc.get_xmldoc(); | |
| const xmlChar* namespaceURI=as_xmlchar(r, params, 0, "namespaceURI must be string"); | |
| const xmlChar* localName=as_xmlchar(r, params, 1, "localName must be string"); | |
| // todo: when name="xmlns" | |
| xmlNs& ns=pa_xmlMapNs(xmldoc, namespaceURI, 0); | |
| xmlUnsetNsProp(&element, &ns, localName); | |
| } | |
| // Attr getAttributeNodeNS(in DOMString namespaceURI, in DOMString localName); | |
| static void _getAttributeNodeNS(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vxdoc=vnode.get_vxdoc(); | |
| xmlNode& element=get_self_element(vnode); | |
| const xmlChar* namespaceURI=as_xmlchar(r, params, 0, "namespaceURI must be string"); | |
| const xmlChar* localName=as_xmlchar(r, params, 1, "localName must be string"); | |
| if(xmlNode* retNode=pa_getAttributeNodeNS(element, localName, namespaceURI)){ | |
| // write out result | |
| writeNode(r, vxdoc, retNode); | |
| } | |
| } | |
| // boolean hasAttribute(in DOMString name) raises(DOMException); | |
| static void _hasAttribute(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| const xmlChar* name=as_xmlchar(r, params, 0, "name must be string"); | |
| xmlChar* prop=xmlGetProp(&element, name); | |
| // todo: when name="xmlns" | |
| // write out result | |
| r.write_no_lang(*new VBool(prop!=0)); | |
| } | |
| // boolean hasAttributeNS(n DOMString namespaceURI, in DOMString localName) raises(DOMException); | |
| static void _hasAttributeNS(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| const xmlChar* namespaceURI=as_xmlchar(r, params, 0, "namespaceURI must be string"); | |
| const xmlChar* localName=as_xmlchar(r, params, 1, "localName must be string"); | |
| xmlChar* prop=xmlGetNsProp(&element, localName, namespaceURI); | |
| // write out result | |
| r.write_no_lang(*new VBool(prop!=0)); | |
| } | |
| // boolean hasAttributes | |
| static void _hasAttributes(Request& r, MethodParams&) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& element=get_self_element(vnode); | |
| // write out result | |
| r.write_no_lang(*new VBool(element.properties!=0)); | |
| } | |
| static void _getElementsByTagNameNS(Request& r, MethodParams& params) { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| VXdoc& vdoc=vnode.get_vxdoc(); | |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| // namespaceURI;localName | |
| xmlChar* namespaceURI=as_xmlchar(r, params, 0, "namespaceURI must be string"); | |
| xmlChar* localName=as_xmlchar(r, params, 1, "name must be string"); | |
| VHash& result=*new VHash; | |
| AccumulateFoundInfo info={&result.hash(), &vdoc, 0}; | |
| pa_xmlNamedPreorderTraversal((xmlNode*)&xmldoc, | |
| namespaceURI, | |
| localName, | |
| AccumulateFound, | |
| &info); | |
| // write out result | |
| r.write_no_lang(result); | |
| } | |
| // void normalize(); | |
| static void _normalize(Request&, MethodParams&) { | |
| /*maybe someday | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& selfNode=vnode.get_xmlnode(); | |
| gdome_n_normalize(selfNode, &exc); | |
| if(exc) | |
| throw XmlException(0, exc); | |
| */ | |
| } | |
| #ifndef DOXYGEN | |
| struct Register_one_ns_info { | |
| Request* r; | |
| xmlXPathContextPtr ctxt; | |
| }; | |
| #endif | |
| static void register_one_ns( | |
| HashStringValue::key_type key, | |
| HashStringValue::value_type value, | |
| Register_one_ns_info* info) { | |
| if(const String* svalue=value->get_string()) | |
| xmlXPathRegisterNs(info->ctxt, | |
| info->r->transcode(key), | |
| info->r->transcode(*svalue)); | |
| else | |
| throw Exception(PARSER_RUNTIME, | |
| new String(key, String::L_TAINTED), | |
| "value is %s, must be string or number", value->type()); | |
| } | |
| static void _selectX(Request& r, MethodParams& params, | |
| void (*handler)(Request& r, | |
| const String& expression, | |
| xmlXPathObject_auto_ptr res, | |
| VXdoc& xdoc, | |
| Value*& result)) | |
| { | |
| VXnode& vnode=GET_SELF(r, VXnode); | |
| xmlNode& xmlnode=vnode.get_xmlnode(); | |
| VXdoc& vdoc=vnode.get_vxdoc(); | |
| xmlDoc& xmldoc=vdoc.get_xmldoc(); | |
| // expression | // expression |
| const String& expression=params->as_string(0, "expression must not be code"); | const String& expression=params.as_string(0, "expression must be string"); |
| const char *expression_cstr=expression.cstr(String::UL_AS_IS); | xmlXPathContext_auto_ptr ctxt(xmlXPathNewContext(&xmldoc)); |
| XalanDOMString dstring(expression_cstr); | { |
| const XalanDOMChar *expression_dcstr=dstring.c_str(); | Register_one_ns_info info={&r, ctxt.get()}; |
| vdoc.search_namespaces.hash().for_each<Register_one_ns_info*>(register_one_ns, &info); | |
| XPathEvaluator evaluator; | } |
| // We'll use these to parse the XML file. | ctxt->node=&xmlnode; |
| XalanSourceTreeDOMSupport dom_support; | /*error to stderr for now*/ |
| xmlXPathObject_auto_ptr res( | |
| try { | xmlXPathEvalExpression(r.transcode(expression), ctxt.get())); |
| NodeRefList list=evaluator.selectNodeList(dom_support, | |
| &vnode.get_node(pool, &method_name), | if(xmlHaveGenericErrors()) |
| expression_dcstr); | throw XmlException(0); |
| VHash& result=*new(pool) VHash(pool); | Value* result=0; |
| for(int i=0; i<list.getLength(); i++) { | if(res.get()) |
| String& skey=*new(pool) String(pool); | handler(r, expression, res, vdoc, result); |
| { | if(result) |
| char *buf=(char *)pool.malloc(MAX_NUMBER); | r.write_no_lang(*result); |
| snprintf(buf, MAX_NUMBER, "%d", i); | } |
| skey << buf; | |
| static void selectNodesHandler(Request&, | |
| const String& expression, | |
| xmlXPathObject_auto_ptr res, | |
| VXdoc& xdoc, | |
| Value*& result) { | |
| VHash& vhash=*new VHash; result=&vhash; | |
| switch(res->type) { | |
| case XPATH_UNDEFINED: | |
| break; | |
| case XPATH_NODESET: | |
| if(res->nodesetval) | |
| if(int size=res->nodesetval->nodeNr) { | |
| HashStringValue& hash=vhash.hash(); | |
| for(int i=0; i<size; i++) | |
| hash.put( | |
| String::Body::Format(i), | |
| &xdoc.wrap(*res->nodesetval->nodeTab[i])); | |
| } | } |
| break; | |
| default: | |
| throw Exception(PARSER_RUNTIME, | |
| &expression, | |
| "wrong xmlXPathEvalExpression result type (%d)", res->type); | |
| break; // never | |
| } | |
| } | |
| result.hash().put(skey, new(pool) VXnode(pool, list.item(i))); | static void selectNodeHandler(Request& r, |
| const String& expression, | |
| xmlXPathObject_auto_ptr res, | |
| VXdoc& xdoc, | |
| Value*& result) { | |
| switch(res->type) { | |
| case XPATH_UNDEFINED: | |
| break; | |
| case XPATH_NODESET: | |
| if(res->nodesetval && res->nodesetval->nodeNr) { // empty result strangly has NODESET res->type | |
| if(res->nodesetval->nodeNr>1) | |
| throw Exception(PARSER_RUNTIME, | |
| &expression, | |
| "resulted not in a single node (%d)", res->nodesetval->nodeNr); | |
| result=&xdoc.wrap(*res->nodesetval->nodeTab[0]); | |
| } | } |
| result.set_name(method_name); | break; |
| r.write_no_lang(result); | case XPATH_BOOLEAN: |
| } catch(const XSLException& e) { | result=new VBool(res->boolval!=0); |
| r._throw(&expression, e); | break; |
| case XPATH_NUMBER: | |
| result=new VDouble(res->floatval); | |
| break; | |
| case XPATH_STRING: | |
| result=new VString(r.transcode((xmlChar*)res->stringval)); | |
| break; | |
| default: | |
| throw Exception(PARSER_RUNTIME, | |
| &expression, | |
| "wrong xmlXPathEvalExpression result type (%d)", res->type); | |
| } | |
| } | |
| static void selectBoolHandler(Request&, | |
| const String& expression, | |
| xmlXPathObject_auto_ptr res, | |
| VXdoc& /*xdoc*/, | |
| Value*& result) { | |
| switch(res->type) { | |
| case XPATH_BOOLEAN: | |
| result=new VBool(res->boolval!=0); | |
| break; | |
| case XPATH_NODESET: | |
| if(!(res->nodesetval && res->nodesetval->nodeNr)) | |
| break; | |
| // else[nodeset] fall down to default | |
| default: | |
| throw Exception(PARSER_RUNTIME, | |
| &expression, | |
| "wrong xmlXPathEvalExpression result type (%d)", res->type); | |
| break; // never | |
| } | } |
| } | } |
| static void _select_single(Request& r, const String& method_name, MethodParams *params) { | static void selectNumberHandler(Request&, |
| // _asm int 3; | const String& expression, |
| Pool& pool=r.pool(); | xmlXPathObject_auto_ptr res, |
| VXnode& vnode=*static_cast<VXnode *>(r.self); | VXdoc& /*xdoc*/, |
| Value*& result) { | |
| switch(res->type) { | |
| case XPATH_NUMBER: | |
| result=new VDouble(res->floatval); | |
| break; | |
| case XPATH_NODESET: | |
| if(!(res->nodesetval && res->nodesetval->nodeNr)) | |
| break; | |
| // else[nodeset] fall down to default | |
| default: | |
| throw Exception(PARSER_RUNTIME, | |
| &expression, | |
| "wrong xmlXPathEvalExpression result type (%d)", res->type); | |
| break; // never | |
| } | |
| } | |
| // expression | static void selectStringHandler(Request& r, |
| const String& expression=params->as_string(0, "expression must not be code"); | const String& expression, |
| const char *expression_cstr=expression.cstr(String::UL_AS_IS); | xmlXPathObject_auto_ptr res, |
| XalanDOMString dstring(expression_cstr); | VXdoc& /*xdoc*/, |
| const XalanDOMChar *expression_dcstr=dstring.c_str(); | Value*& result) { |
| switch(res->type) { | |
| XPathEvaluator evaluator; | case XPATH_UNDEFINED: |
| // Initialize the XalanSourceTree subsystem... | break; |
| // XalanSourceTreeInit theSourceTreeInit; | case XPATH_STRING: |
| // We'll use these to parse the XML file. | result=new VString(r.transcode((xmlChar*)res->stringval)); |
| XalanSourceTreeDOMSupport dom_support; | break; |
| case XPATH_NODESET: | |
| try { | if(!(res->nodesetval && res->nodesetval->nodeNr)) |
| if(XalanNode *node=evaluator.selectSingleNode(dom_support, | break; |
| &vnode.get_node(pool, &method_name), | // else[nodeset] fall down to default |
| expression_dcstr)) { | default: |
| throw Exception(PARSER_RUNTIME, | |
| VXnode& result=*new(pool) VXnode(pool, node); | &expression, |
| result.set_name(method_name); | "wrong xmlXPathEvalExpression result type (%d)", res->type); |
| r.write_no_lang(result); | break; // never |
| } | |
| } catch(const XSLException& e) { | |
| r._throw(&expression, e); | |
| } | } |
| } | } |
| static void _select(Request& r, MethodParams& params) { | |
| _selectX(r, params, | |
| selectNodesHandler); | |
| } | |
| static void _selectSingle(Request& r, MethodParams& params) { | |
| _selectX(r, params, | |
| selectNodeHandler); | |
| } | |
| static void _selectBool(Request& r, MethodParams& params) { | |
| _selectX(r, params, | |
| selectBoolHandler); | |
| } | |
| static void _selectNumber(Request& r, MethodParams& params) { | |
| _selectX(r, params, | |
| selectNumberHandler); | |
| } | |
| static void _selectString(Request& r, MethodParams& params) { | |
| _selectX(r, params, | |
| selectStringHandler); | |
| } | |
| // constructor | // constructor |
| MXnode::MXnode(Pool& apool) : Methoded(apool), | /// @bug one can change const and ruin other's work, we need unchangable VIntConst class |
| consts(apool) { | MXnode::MXnode(const char* aname, VStateless_class *abase): |
| set_name(*NEW String(pool(), XNODE_CLASS_NAME)); | Methoded(aname?aname:"xnode", abase) |
| { | |
| /// DOM1 node | |
| // Node insertBefore(in Node newChild,in Node refChild) raises(DOMException); | |
| add_native_method("insertBefore", Method::CT_DYNAMIC, _insertBefore, 2, 2); | |
| // Node replaceChild(in Node newChild,in Node oldChild) raises(DOMException); | |
| add_native_method("replaceChild", Method::CT_DYNAMIC, _replaceChild, 2, 2); | |
| // Node removeChild(in Node oldChild) raises(DOMException); | |
| add_native_method("removeChild", Method::CT_DYNAMIC, _removeChild, 1, 1); | |
| // Node appendChild(in Node newChild) raises(DOMException); | |
| add_native_method("appendChild", Method::CT_DYNAMIC, _appendChild, 1, 1); | |
| // boolean hasChildNodes(); | |
| add_native_method("hasChildNodes", Method::CT_DYNAMIC, _hasChildNodes, 0, 0); | |
| // Node cloneNode(in boolean deep); | |
| add_native_method("cloneNode", Method::CT_DYNAMIC, _cloneNode, 1, 1); | |
| /// DOM1 element | |
| // DOMString getAttribute(in DOMString name); | |
| add_native_method("getAttribute", Method::CT_DYNAMIC, _getAttribute, 1, 1); | |
| // void setAttribute(in DOMString name, in DOMString value) raises(DOMException); | |
| add_native_method("setAttribute", Method::CT_DYNAMIC, _setAttribute, 2, 2); | |
| // void removeAttribute(in DOMString name) raises(DOMException); | |
| add_native_method("removeAttribute", Method::CT_DYNAMIC, _removeAttribute, 1, 1); | |
| // Attr getAttributeNode(in DOMString name); | |
| add_native_method("getAttributeNode", Method::CT_DYNAMIC, _getAttributeNode, 1, 1); | |
| // Attr setAttributeNode(in Attr newAttr) raises(DOMException); | |
| add_native_method("setAttributeNode", Method::CT_DYNAMIC, _setAttributeNode, 1, 1); | |
| // Attr removeAttributeNode(in Attr oldAttr) raises(DOMException); | |
| add_native_method("removeAttributeNode", Method::CT_DYNAMIC, _removeAttributeNode, 1, 1); | |
| // NodeList getElementsByTagName(in DOMString name); | |
| add_native_method("getElementsByTagName", Method::CT_DYNAMIC, _getElementsByTagName, 1, 1); | |
| // NodeList getElementsByTagNameNS(in DOMString namespaceURI, in DOMString localName); | |
| add_native_method("getElementsByTagNameNS", Method::CT_DYNAMIC, _getElementsByTagNameNS, 2, 2); | |
| // void normalize(); | |
| add_native_method("normalize", Method::CT_DYNAMIC, _normalize, 0, 0); | |
| /// DOM2 element | |
| // DOMString getAttributeNS(in DOMString namespaceURI, in DOMString localName); | |
| add_native_method("getAttributeNS", Method::CT_DYNAMIC, _getAttributeNS, 2, 2); | |
| // void setAttributeNS(in DOMString namespaceURI, in DOMString qualifiedName, in DOMString value) raises(DOMException); | |
| add_native_method("setAttributeNS", Method::CT_DYNAMIC, _setAttributeNS, 3, 3); | |
| // void removeAttributeNS(in DOMString namespaceURI, in DOMString localName) raises(DOMException); | |
| add_native_method("removeAttributeNS", Method::CT_DYNAMIC, _removeAttributeNS, 2, 2); | |
| // Attr getAttributeNodeNS(in DOMString namespaceURI, in DOMString localName); | |
| add_native_method("getAttributeNodeNS", Method::CT_DYNAMIC, _getAttributeNodeNS, 2, 2); | |
| // Attr setAttributeNodeNS(in Attr newAttr) raises(DOMException); | |
| add_native_method("setAttributeNodeNS", Method::CT_DYNAMIC, _setAttributeNode, 1, 1); | |
| // boolean hasAttribute(in DOMString name) raises(DOMException); | |
| add_native_method("hasAttribute", Method::CT_DYNAMIC, _hasAttribute, 1, 1); | |
| // boolean hasAttributeNS(in DOMString namespaceURI, in DOMString localName) raises(DOMException); | |
| add_native_method("hasAttributeNS", Method::CT_DYNAMIC, _hasAttributeNS, 2, 2); | |
| // boolean hasAttributes | |
| add_native_method("hasAttributes", Method::CT_DYNAMIC, _hasAttributes, 0, 0); | |
| /// parser | |
| // ^node.select[/some/xpath/query] = hash $.#[dnode] | // ^node.select[/some/xpath/query] = hash $.#[dnode] |
| add_native_method("select", Method::CT_DYNAMIC, _select, 1, 1); | add_native_method("select", Method::CT_DYNAMIC, _select, 1, 1); |
| // ^node.select-single[/some/xpath/query] = first dnode | // ^node.selectSingle[/some/xpath/query] = first node [if any] |
| add_native_method("select-single", Method::CT_DYNAMIC, _select_single, 1, 1); | add_native_method("selectSingle", Method::CT_DYNAMIC, _selectSingle, 1, 1); |
| // ^node.selectBool[/some/xpath/query] = bool value [if any] | |
| add_native_method("selectBool", Method::CT_DYNAMIC, _selectBool, 1, 1); | |
| // ^node.selectNumber[/some/xpath/query] = double value [if any] | |
| add_native_method("selectNumber", Method::CT_DYNAMIC, _selectNumber, 1, 1); | |
| // ^node.selectString[/some/xpath/query] = strinv value [if any] | |
| add_native_method("selectString", Method::CT_DYNAMIC, _selectString, 1, 1); | |
| // consts | // consts |
| #define CONST(name, value) \ | #define CONST(name) \ |
| consts.put(*new(pool()) String(pool(), #name), new(pool()) VInt(pool(), value)) | consts.put(String::Body(#name), new VInt(XML_##name)) |
| #define CONST2(name, value) \ | |
| consts.put(String::Body(#name), new VInt(value)) | |
| CONST(ELEMENT_NODE); | |
| CONST(ATTRIBUTE_NODE); | |
| CONST(TEXT_NODE); | |
| CONST(CDATA_SECTION_NODE); | |
| CONST2(ENTITY_REFERENCE_NODE, XML_ENTITY_REF_NODE); | |
| CONST(ENTITY_NODE); | |
| CONST2(PROCESSING_INSTRUCTION_NODE, XML_PI_NODE); | |
| CONST(COMMENT_NODE); | |
| CONST(DOCUMENT_NODE); | |
| CONST(DOCUMENT_TYPE_NODE); | |
| CONST2(DOCUMENT_FRAGMENT_NODE, XML_DOCUMENT_FRAG_NODE); | |
| CONST(NOTATION_NODE); | |
| } | |
| CONST(ELEMENT_NODE, 1); | #else |
| CONST(ATTRIBUTE_NODE, 2); | |
| CONST(TEXT_NODE, 3); | |
| CONST(CDATA_SECTION_NODE, 4); | |
| CONST(ENTITY_REFERENCE_NODE, 5); | |
| CONST(ENTITY_NODE, 6); | |
| CONST(PROCESSING_INSTRUCTION_NODE, 7); | |
| CONST(COMMENT_NODE, 8); | |
| CONST(DOCUMENT_NODE, 9); | |
| CONST(DOCUMENT_TYPE_NODE, 10); | |
| CONST(DOCUMENT_FRAGMENT_NODE, 11); | |
| CONST(NOTATION_NODE, 12); | |
| } | |
| // global variable | // global variable |
| Methoded *Xnode_class; | DECLARE_CLASS_VAR(xnode, 0, 0); // fictive |
| #endif | #endif |
| // creator | |
| Methoded *MXnode_create(Pool& pool) { | |
| return | |
| #ifdef XML | |
| Xnode_class=new(pool) MXnode(pool) | |
| #else | |
| 0 | |
| #endif | |
| ; | |
| } |