Xml.zip_VC6.0 XML_c xml_vc6 x_vc6 xml_vc6.0 xml

//***************************************************************************** // Module : XmloParser.cpp // // Copyright 2004 by ITC, ED4-4. All rights reserved. // // Author: Liu, Miao // // Date: 2005/02/03 // // Description: Process XML File Functions // // Platforms: Windows2K,XP // // Functions: // // Modified history: //***************************************************************************** #include <stdio.h> #include <objbase.h> #include "XmlParser.h" //***************************************************************************** // Function: CProXmlFile(const char * fileName) // // Purpose: Constructor function // // Parameters: fileName->name of the file which will be handled // // Return value: none // // Modified history: //***************************************************************************** CProXmlFile::CProXmlFile(IN const char * fileName) { strcpy(m_pszXmlFile, fileName); HANDLE hFile; hFile = CreateFile(m_pszXmlFile, // file to open GENERIC_READ, // open for reading FILE_SHARE_READ, // share for reading NULL, // default security OPEN_EXISTING, // existing file only FILE_ATTRIBUTE_NORMAL, // normal file NULL); // no attr. template if (hFile == INVALID_HANDLE_VALUE) { m_bXmlFileExist = FALSE; } else { m_bXmlFileExist = TRUE; } CloseHandle(hFile); CoInitialize(NULL); // Register with COM if (!m_bXmlFileExist) { CreateXmlFile(m_pszXmlFile); } SetXMLFileName(m_pszXmlFile); } //***************************************************************************** // Function: ~CProXmlFile() // // Purpose: DisConstructor function // // Parameters: none // // Return value: none // // Modified history: //***************************************************************************** CProXmlFile::~CProXmlFile() { if (NULL != m_pDoc) { m_pDoc = NULL; //m_pDoc->Release(); } CoUninitialize(); // Unregister with COM } //****************************************************************************************************************** // Function: SetXMLFileName(IN const char * fileName) // // Purpose: Set the XML file name which will be handled // // Parameters: fileName->the XML file name which will be handled // // Return value: If set the fileName successfully, return TRUE, or return FALSE // // Modified history: //****************************************************************************************************************** BOOL CProXmlFile::SetXMLFileName(IN const char * fileName) { HRESULT hr = m_pDoc.CreateInstance(__uuidof(xml::DOMDocument)); if( !SUCCEEDED(hr) ) { return FALSE; } //Load the xml file m_pDoc->load(m_pszXmlFile); return TRUE; } //****************************************************************************************************************** // Function: GetXmlString(IN const char* pszSection, IN const char* pszKey, OUT char*pszValue) // // Purpose: Get String Value according to parent node name and child node name // // Parameters:pszSection->the section name // pszKey->the key name // pszValue->value to be filled // // Return value: If get it, return TRUE, or return FALSE // // Modified history: //****************************************************************************************************************** BOOL CProXmlFile::GetXmlString(IN const char* pszSection, IN const char* pszKey, OUT char*pszValue) { xml::IXMLDOMNodePtr pElement = NULL; char szPath[512]; strcpy(pszValue, ""); //Find the key sprintf(szPath, "//%s//%s//%s", ROOT_NODE, pszSection, pszKey); pElement = (xml::IXMLDOMElementPtr)(m_pDoc->selectNodes((_bstr_t)szPath)); //pElement = (xml::IXMLDOMElementPtr)(m_pDoc->selectSingleNode((_bstr_t)szPath)); if ( NULL == pElement ) { return FALSE; } //Get the key's value BSTR var; HRESULT hr = pElement->get_text(&var); if ( !SUCCEEDED(hr) ) { return FALSE; } strcpy( pszValue, (char*)(_bstr_t)var ); return TRUE; } //****************************************************************************************************************** // Function: CreateXmlFile(IN const char* pszWholeName) // // Purpose: Create the XML File: config.xml // // Parameters: pszWholeName->path and name of the XML file // // Return value: If create sussesfully, return TRUE, or return FALSE // // Modified history: //****************************************************************************************************************** BOOL CProXmlFile::CreateXmlFile(IN const char* pszWholeName) { xml::IXMLDOMDocumentPtr pDoc = NULL; xml::IXMLDOMElementPtr pXmlRoot = NULL; xml::IXMLDOMProcessingInstructionPtr spXMLPI; HRESULT hr = pDoc.CreateInstance(__uuidof(xml::DOMDocument)); if( !SUCCEEDED(hr) ) { return FALSE; } spXMLPI = pDoc->createProcessingInstruction("xml", "version=\"1.0\""); pDoc->raw_createElement((_bstr_t)ROOT_NODE, &pXmlRoot); pDoc->raw_appendChild(pXmlRoot, NULL); pDoc->save(pszWholeName); pDoc.Release(); return TRUE; } //****************************************************************************************************************** // Function: WriteXmlString(IN const char* pszSection, IN const char* pszKey, IN char*pszValue) // // Purpose: Set String Value according to section name and key name // // Parameters: pszSection->the section name // pszKey->the key name // pszValue->value to be set // // Return value: If set it, return TRUE, or return FALSE // // Modified history: //****************************************************************************************************************** BOOL CProXmlFile::WriteXmlString(IN const char* pszSection, IN const char* pszKey, IN char*pszValue) { xml::IXMLDOMNodePtr pNode; xml::IXMLDOMNodePtr pElement; char szPath[512]; //Find the key sprintf(szPath, "//%s//%s//%s", ROOT_NODE, pszSection, pszKey); pElement = (xml::IXMLDOMElementPtr)( m_pDoc->selectSingleNode((_bstr_t)szPath) ); if ( NULL != pElement )//Find the key { if( !DeleteKey(pszSection, pszKey) ) { return FALSE; } } else //Cannot find the key { if ( !FindSection(pszSection) ) { if (!AddSection(pszSection)) { return FALSE; } } } //Find the section sprintf(szPath, "//%s//%s", ROOT_NODE, pszSection); pNode = (xml::IXMLDOMElementPtr)( m_pDoc->selectSingleNode((_bstr_t)szPath) ); AddArticleInfo(pNode, pszKey); //Find the key again sprintf(szPath, "//%s//%s//%s", ROOT_NODE, pszSection, pszKey); pElement = pNode->ownerDocument->selectSingleNode((_bstr_t)szPath); AddText(pElement, pszValue); m_pDoc->save(m_pszXmlFile); return TRUE; } //****************************************************************************************************************** // Function: DeleteSection(IN const char* pszSection) // // Purpose: Delete a section // // Parameters: pszSection->the section name // // Return value: If delete it, return TRUE, or return FALSE // // Modified history: //****************************************************************************************************************** BOOL CProXmlFile::DeleteSection(IN const char* pszSection) { xml::IXMLDOMNodePtr pNode; xml::IXMLDOMNodePtr pRoot; char szPath[512]; //Find the section sprintf(szPath, "//%s//%s",ROOT_NODE,pszSection); pNode = (xml::IXMLDOMElementPtr)(m_pDoc->selectSingleNode(szPath)); if (NULL != pNode) { //Now delete the section sprintf(szPath, "//%s", ROOT_NODE); pRoot = (xml::IXMLDOMElementPtr)(m_pDoc->selectSingleNode(szPath)); HRESULT hr = pRoot->removeChild(