XML解析

#include "stdafx.h"#include <string>#include <map>#include <vector>#include <list>class XMLNode{public:XMLNode(){}const wchar_t* GetName(){return this->m_name.c_str();}const wchar_t* GetAttribute(const wchar_t* attrName){return this->m_attributes[attrName].c_str();}const wchar_t* GetInnerText(){return this->m_innerText.c_str();}int GetChildCount(){return (int)this->m_children.size();}XMLNode* GetChild(int index){return this->m_children[index];}void SetName(std::wstring& name){this->m_name = name;}void SetName(const wchar_t* name){this->m_name = name;}std::wstring& GetNameString(){return this->m_name;}void AddAttribute(std::wstring& name, std::wstring& value){this->m_attributes.insert(std::make_pair(name, value));}void AddChild(XMLNode* child){this->m_children.push_back(child);}void SetInnerText(std::wstring& innerText){this->m_innerText = innerText;}public:std::wstring m_name;std::wstring m_innerText;std::map< std::wstring, std::wstring > m_attributes;std::vector< XMLNode* > m_children;};const int XML_NONE = 0;const int XML_PRE_TAG_PRE_S = 1;const int XML_PRE_TAG_PRE_N = 2;const int XML_PRE_TAG_PRE_N_E = 3;const int XML_TAG_ATTR_N = 4;const int XML_TAG_ATTR = 5;const int XML_TAG_ATTR_V_S = 6;const int XML_TAG_ATTR_V_E = 8;const int XML_PRE_TAG_E = 9;const int XML_INNER = 10;const int XML_POST_TAG_S = 11;const int XML_POST_TAG_N = 12;const int XML_POST_TAG_N_E = 13;const int XML_POST_TAG_E = 14;XMLNode* ParseXML(const wchar_t* xmlText, int len){XMLNode* root = new XMLNode();root->SetName(L"/");std::vector< XMLNode* > nodes;nodes.push_back(root);std::wstring xmlTextString;xmlTextString.assign(xmlText, xmlText + len); const wchar_t* pXMLTextString = xmlTextString.c_str();const wchar_t* pXMLText = xmlText; const wchar_t* pCurXMLText = xmlText; std::wstring name;std::wstring attrName;std::wstring attrValue;std::wstring innerText; int xmlHit = XML_NONE; wchar_t ch = 0; size_t index = 0;size_t size = xmlTextString.size();while ( index < size ){ch = *pXMLText;if ( ch == L'<' ){switch ( xmlHit ){ case XML_INNER:{innerText.assign(pCurXMLText, pXMLText);nodes.back()->SetInnerText(innerText);}case XML_NONE:case XML_PRE_TAG_E:case XML_POST_TAG_E:{xmlHit = XML_PRE_TAG_PRE_S;pCurXMLText = pXMLText + 1;if ( index + 2 < size && pXMLText[1] == L'?' ){size_t pos = xmlTextString.find(L"?>", index + 2);if ( pos != std::wstring::npos ){xmlHit = XML_POST_TAG_E;innerText.assign(pXMLTextString + index + 2, pXMLTextString + pos);index = pos + wcslen(L"?>");pCurXMLText = pXMLTextString + index;pXMLText = pCurXMLText; if ( !nodes.empty() ){XMLNode* xmlNode = new XMLNode();xmlNode->SetName(L"?");xmlNode->SetInnerText(innerText);nodes.back()->AddChild(xmlNode);}}}else if ( index + 4 < size && pXMLText[1] == L'!' && pXMLText[2] == L'-' && pXMLText[3] == L'-' ){size_t pos = xmlTextString.find(L"-->", index + 4);if ( pos != std::wstring::npos ){xmlHit = XML_POST_TAG_E;innerText.assign(pXMLTextString + index + 4, pXMLTextString + pos);index = pos + wcslen(L"-->");pCurXMLText = pXMLTextString + index;pXMLText = pCurXMLText;if ( !nodes.empty() ){XMLNode* xmlNode = new XMLNode();xmlNode->SetName(L"!");xmlNode->SetInnerText(innerText);nodes.back()->AddChild(xmlNode);}}}else if ( index + 2 < size && pXMLText[1] == L'!' ){size_t pos = xmlTextString.find(L">", index + 2);if ( pos != std::wstring::npos ){xmlHit = XML_POST_TAG_E;innerText.assign(pXMLTextString + index + 2, pXMLTextString + pos);index = pos + wcslen(L">");pCurXMLText = pXMLTextString + index;pXMLText = pCurXMLText;if ( !nodes.empty() ){XMLNode* xmlNode = new XMLNode();xmlNode->SetName(L"!");xmlNode->SetInnerText(innerText);nodes.back()->AddChild(xmlNode);}}}}break;case XML_PRE_TAG_PRE_S:{}break; case XML_PRE_TAG_PRE_N:{}break;case XML_PRE_TAG_PRE_N_E:{}break;case XML_TAG_ATTR_N:{}break;case XML_TAG_ATTR:{}break;case XML_TAG_ATTR_V_S:{}break;case XML_TAG_ATTR_V_E:{}break;case XML_POST_TAG_S:{}break;case XML_POST_TAG_N_E:{}break;case XML_POST_TAG_N:{}break;}}else if ( ch == L'=' ){switch ( xmlHit ){case XML_NONE:{}break;case XML_PRE_TAG_PRE_S:{}break; case XML_PRE_TAG_PRE_N:{}break;case XML_PRE_TAG_PRE_N_E:{}break;case XML_TAG_ATTR_N:{xmlHit = XML_TAG_ATTR;attrName.assign(pCurXMLText, pXMLText);pCurXMLText = pXMLText + 1;}break;case XML_TAG_ATTR:{}break;case XML_TAG_ATTR_V_S:{}break;case XML_TAG_ATTR_V_E:{}break;case XML_PRE_TAG_E:{}break;case XML_INNER:{}break;case XML_POST_TAG_S:{}break;case XML_POST_TAG_N:{}break;case XML_POST_TAG_N_E:{}break;case XML_POST_TAG_E:{}break;}}else if ( ch == L'"' ){switch ( xmlHit ){case XML_NONE:{}break;case XML_PRE_TAG_PRE_S:{}break; case XML_PRE_TAG_PRE_N:{}break;case XML_PRE_TAG_PRE_N_E:{}break;case XML_TAG_ATTR_N:{attrName.assign(pCurXMLText, pXMLText);}case XML_TAG_ATTR:{xmlHit = XML_TAG_ATTR_V_S;pCurXMLText = pXMLText + 1;}break;case XML_TAG_ATTR_V_S:{xmlHit = XML_TAG_ATTR_V_E;if ( !nodes.empty() ){attrValue.assign(pCurXMLText, pXMLText);nodes.back()->AddAttribute(attrName, attrValue);}pCurXMLText = pXMLText + 1;}break;case XML_TAG_ATTR_V_E:{}break;case XML_PRE_TAG_E:{}break;case XML_INNER:{}break;case XML_POST_TAG_S:{}break;case XML_POST_TAG_N:{}break;case XML_POST_TAG_N_E:{}break;case XML_POST_TAG_E:{}break;}}else if ( ch == L'/' ){switch ( xmlHit ){case XML_NONE:{}break;case XML_PRE_TAG_PRE_S:{xmlHit = XML_POST_TAG_S;pCurXMLText = pXMLText + 1;}break;case XML_TAG_ATTR_V_S:{}break; case XML_PRE_TAG_PRE_N:{name.assign(pCurXMLText, pXMLText);XMLNode* node = new XMLNode();node->SetName(name);nodes.push_back(node);}case XML_PRE_TAG_PRE_N_E:case XML_TAG_ATTR_N:case XML_TAG_ATTR:case XML_TAG_ATTR_V_E:{xmlHit = XML_POST_TAG_N_E;XMLNode* child = nodes.back();nodes.pop_back();if ( !nodes.empty() ){nodes.back()->AddChild(child);}pCurXMLText = pXMLText + 1; }break;case XML_PRE_TAG_E:{}break;case XML_INNER:{}break;case XML_POST_TAG_S:{}break;case XML_POST_TAG_N:{}break;case XML_POST_TAG_N_E:{}break;case XML_POST_TAG_E:{}break;}}else if ( ch == L'>' ){switch ( xmlHit ){case XML_NONE:{}break;case XML_PRE_TAG_PRE_S:{}break; case XML_PRE_TAG_PRE_N:{name.assign(pCurXMLText, pXMLText);XMLNode* node = new XMLNode();node->SetName(name);nodes.push_back(node);}case XML_PRE_TAG_PRE_N_E://case XML_TAG_ATTR_V_S://{//attrValue.assign(pCurXMLText, pXMLText);//nodes.front()->AddAttribute(attrName, attrValue);//}case XML_TAG_ATTR_V_E:{xmlHit = XML_PRE_TAG_E;pCurXMLText = pXMLText + 1;}break;case XML_TAG_ATTR_N:{}break;case XML_TAG_ATTR:{}break;case XML_PRE_TAG_E:{}break;case XML_INNER:{}break;case XML_POST_TAG_S:{}break;case XML_POST_TAG_N:{//xmlHit = XML_POST_TAG_E;XMLNode* child = nodes.back();nodes.pop_back(); // XMLNode* last = nodes.back();if ( !nodes.empty() ){nodes.back()->AddChild(child);}//pCurXMLText = pXMLText + 1;}//break;case XML_POST_TAG_N_E:{xmlHit = XML_POST_TAG_E;pCurXMLText = pXMLText + 1;}break;case XML_POST_TAG_E:{}break;}}else {if ( ch == 0x0020 || ch == 0x0009 || ch == 0x000A || ch == 0x000B || ch == 0x000C || ch == 0x000D || ch == 0x00A0 || ch == 0x2000 || ch == 0x2001 || ch == 0x2002 || ch == 0x2003 || ch == 0x2004 || ch == 0x2005 || ch == 0x2006 || ch == 0x2007 || ch == 0x2008 || ch == 0x2009 || ch == 0x200A || ch == 0x200B || ch == 0x3000 || ch == 0xFEFF ){switch ( xmlHit ){case XML_NONE:{}break;case XML_PRE_TAG_PRE_S:{}break; case XML_PRE_TAG_PRE_N:{xmlHit = XML_PRE_TAG_PRE_N_E;name.assign(pCurXMLText, pXMLText);XMLNode* node = new XMLNode();node->SetName(name);nodes.push_back(node);pCurXMLText = pXMLText + 1;}break;case XML_PRE_TAG_PRE_N_E:{}break;case XML_TAG_ATTR_N:{}break;case XML_TAG_ATTR:{}break;case XML_TAG_ATTR_V_S:{}break;case XML_TAG_ATTR_V_E:{}break;case XML_PRE_TAG_E:{}break;case XML_INNER:{}break;case XML_POST_TAG_S:{}break;case XML_POST_TAG_N:{xmlHit = XML_POST_TAG_N_E;XMLNode* child = nodes.back();nodes.pop_back();//XMLNode* last = nodes.back();if ( !nodes.empty() ){nodes.back()->AddChild(child);}pCurXMLText = pXMLText + 1;}break;case XML_POST_TAG_N_E:{}break;case XML_POST_TAG_E:{}break;}}else{switch ( xmlHit ){case XML_NONE:{}break;case XML_PRE_TAG_PRE_S:{xmlHit = XML_PRE_TAG_PRE_N; pCurXMLText = pXMLText;}break; case XML_PRE_TAG_PRE_N:{}break;case XML_PRE_TAG_PRE_N_E:{xmlHit = XML_TAG_ATTR_N;pCurXMLText = pXMLText;}break;case XML_TAG_ATTR_N:{}break;case XML_TAG_ATTR:{/*xmlHit = XML_TAG_ATTR_V_S;pCurXMLText = pXMLText;*/}break;case XML_TAG_ATTR_V_S:{}break;case XML_TAG_ATTR_V_E:{xmlHit = XML_TAG_ATTR_N;pCurXMLText = pXMLText;}break;case XML_PRE_TAG_E:{xmlHit = XML_INNER;pCurXMLText = pXMLText;}break;case XML_INNER:{}break;case XML_POST_TAG_S:{xmlHit = XML_POST_TAG_N;pCurXMLText = pXMLText;}break;case XML_POST_TAG_N:{}break;case XML_POST_TAG_N_E:{}break;case XML_POST_TAG_E:{}break;}}}pXMLText++;index++;}return root;}int _tmain(int argc, _TCHAR* argv[]){std::wstring XMLText;FILE* pFile = ::_wfopen(L"youfilename.xml", L"r+");wchar_t buffer[1024];while (!feof(pFile) ){wchar_t* ret = fgetws(buffer, 1024, pFile);if ( ret != NULL ){XMLText += ret;}} ::fclose(pFile);XMLNode* root = ParseXML(XMLText.c_str(), XMLText.size());std::list< XMLNode* > nodes;nodes.push_back(root);while ( !nodes.empty() ){XMLNode* xmlNode = nodes.front();nodes.pop_front();for(int cnt = 0; cnt < xmlNode->GetChildCount(); cnt++){XMLNode* child = xmlNode->GetChild(cnt);std::wcout << " NAME:" << child->GetName() << L" INNERTEXT:" << child->GetInnerText();for(std::map< std::wstring, std::wstring >::iterator iter = child->m_attributes.begin();iter != child->m_attributes.end(); iter++ ){std::wcout << " ATTRNAME:" << iter->first.c_str() << " ATTRVAL:" << iter->second.c_str();}std::wcout<<std::endl;nodes.push_back(child);}}return 0;}