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# work/git/mixpp/bdm/userinfo.h

    00001 #ifndef UI_H
    00002 #define UI_H
    00003
    00004 #include <sstream>
    00005 #include <iostream>
    00006 #include <stdio.h>
    00007 #include <string>
    00008 #include <map>
    00009 #include <utility>
    00010 #include <xercesc/dom/DOM.hpp>
    00011 #include <xercesc/util/PlatformUtils.hpp>
    00012 #include <xercesc/util/XMLString.hpp>
    00013 #include <iostream>
    00014 #include <xercesc/framework/LocalFileFormatTarget.hpp>
    00015 #include <xercesc/framework/LocalFileInputSource.hpp>
    00016 #include <xercesc/dom/DOMWriter.hpp>
    00017 #include <xercesc/parsers/XercesDOMParser.hpp>
    00018
    00019 #ifdef XERCES_CPP_NAMESPACE_USE
    00020 XERCES_CPP_NAMESPACE_USE
    00021 #endif
    00022
    00023 using std::string;
    00024 using namespace std;
    00025
    00026
    00032 class GlobalXercesConnector
    00033 {
    00034 public:
    00036         DOMImplementation *pImplementation;
    00038         DOMWriter *pSerializer;
    00040         XercesDOMParser *pParser;
    00041
    00042
    00044         GlobalXercesConnector();
    00046         ~GlobalXercesConnector();
    00047
    00048
    00050         static string XMLCh2str( const XMLCh* const  XMLCh_str );
    00051
    00052         class Comparator
    00053         {
    00054         public:
    00056                 bool operator()( const XMLCh* const a , const XMLCh* const b) const;
    00057         };
    00058 };
    00059
    00061 extern const GlobalXercesConnector XMLConnector;
    00062
    00063
    00070 class Attribute
    00071 {
    00072 private:
    00075         XMLCh* const transcodedName;
    00076
    00077 public:
    00079         typedef map<const XMLCh* const, Attribute* const, GlobalXercesConnector::Comparator> MappedAttributes;
    00080
    00082         Attribute( const string name );
    00084         ~Attribute();
    00085
    00087         virtual void Set( const string str ) = 0;
    00089         virtual const string Get() = 0;
    00091         void Attach( MappedAttributes &externalAttributes);
    00093         void FillAttribute(DOMElement &element);
    00094 };
    00095
    00099 class DoubleAttribute: public Attribute
    00100 {
    00101 public:
    00102         double value;
    00103         DoubleAttribute( const string name);
    00104         void Set( const string str );
    00105         const string Get();
    00106 };
    00107
    00108
    00112 class IntAttribute : public Attribute
    00113 {
    00114 public:
    00115         int value;
    00116         IntAttribute( const string name );
    00117         void Set( const string str );
    00118         const string Get();
    00119 };
    00120
    00124 class StringAttribute : public Attribute
    00125 {
    00126 public:
    00127         string value;
    00128         StringAttribute( const string name );
    00129         void Set( const string str );
    00130         const string Get();
    00131 };
    00132
    00139 class UserInfoCore
    00140 {
    00141 public:
    00143         virtual void ParseElement(DOMElement *element) = 0;
    00144
    00146         virtual void FillElement(DOMElement &element) = 0;
    00147 };
    00148
    00154 template<typename T> class UserInfo : public UserInfoCore
    00155 {
    00156 private:
    00159         XMLCh* transcodedName;
    00160
    00162         typedef map<const XMLCh* const, UserInfoCore* const, GlobalXercesConnector::Comparator> MappedElements;
    00163
    00164 protected:
    00166         MappedElements elements;
    00168         Attribute::MappedAttributes attributes;
    00169
    00170 public:
    00172         StringAttribute help;
    00173
    00175         UserInfo<T>(
    00176                 const string name,
    00177                 const string help_msg = "" )
    00178                 : help("help"),
    00179                 transcodedName( XMLString::transcode( name.c_str() ) )
    00180         {
    00181                 XMLString::upperCase( transcodedName );
    00182                 help.Attach( attributes );
    00183                 help.value = help_msg;
    00184         };
    00186         ~UserInfo<T>()
    00187         {
    00188                 XMLString::release( (XMLCh**)&transcodedName );
    00189         }
    00190
    00192         virtual T* build(void) = 0;
    00193
    00195         void Save ( char* fileName )
    00196         {
    00197                 XMLCh* transcodedFileName = XMLString::transcode( fileName );
    00198                 LocalFileFormatTarget outputTarget( transcodedFileName );
    00199                 XMLString::release( &transcodedFileName );
    00200
    00201                 DOMDocument* pDoc = XMLConnector.pImplementation->createDocument(
    00202                         XMLString::transcode( "M3K USER INFO" ),
    00203                         XMLString::transcode( "ROOT" ), NULL );
    00204                 DOMElement *pRoot = pDoc->getDocumentElement();
    00205
    00206                 FillElement( *pRoot );
    00207
    00208                 XMLConnector.pSerializer->writeNode( &outputTarget, *pDoc);
    00209                 delete pDoc;
    00210         }
    00212         void Load ( char* fileName )
    00213         {
    00214                 bool bFailed = false;
    00215
    00216                 try
    00217                 {
    00218                         XMLCh* transcodedFileName = XMLString::transcode( fileName ) ;
    00219                         const LocalFileInputSource inputSource( transcodedFileName );
    00220                         XMLString::release( &transcodedFileName );
    00221
    00222                         XMLConnector.pParser->parse( inputSource );
    00223                         bFailed = ( XMLConnector.pParser->getErrorCount() != 0 );
    00224                 }
    00225                 catch (...)
    00226                 {
    00227                         bFailed = true;
    00228                 }
    00229
    00230                 if( !bFailed)
    00231                 {
    00232                         DOMDocument *pDoc = XMLConnector.pParser->getDocument();
    00233                         DOMElement *pRoot = pDoc->getDocumentElement();
    00234                         bFailed = true;
    00235                         for( DOMNode* node = pRoot->getFirstChild(); node != NULL; node = node->getNextSibling() )
    00236                                 if( node->getNodeType() == DOMNode::ELEMENT_NODE )
    00237                                 {
    00238                                         ParseElement( (DOMElement*) node );
    00239                                         bFailed = false;
    00240                                         break;
    00241                                 }
    00242                 }
    00243
    00244                 if( bFailed )
    00245                 {
    00246                         // exception?!
    00247                 }
    00248         }
    00250         void Attach( MappedElements &externalElements)
    00251         {
    00252                 pair<const XMLCh* const, UserInfoCore* const> newPair( transcodedName, this );
    00253                 externalElements.insert(newPair);
    00254         }
    00255
    00256         void ParseElement(DOMElement *element)
    00257         {
    00258                 DOMNodeList* nodeList = element->getChildNodes();
    00259                 if( nodeList )
    00260                         for( int i = 0; i < nodeList->getLength(); i++ )
    00261                         {
    00262                                 DOMNode* node = nodeList->item(i);
    00263                                 if( node->getNodeType() == DOMNode::ELEMENT_NODE )
    00264                                 {
    00265                                         DOMElement* childElement = (DOMElement*) node;
    00266                                         MappedElements::const_iterator iter = elements.find( childElement->getTagName() );
    00267
    00268                                         if( iter != elements.end())
    00269                                                 iter->second->ParseElement( childElement );
    00270                                 }
    00271                         }
    00272
    00273                 DOMNamedNodeMap* nodeMap = element->getAttributes();
    00274                 if( nodeMap )
    00275                         for( int i = 0; i < nodeMap->getLength(); i++ )
    00276                         {
    00277                                 DOMNode* node = nodeMap->item(i);
    00278                                 if( node->getNodeType() == DOMNode::ATTRIBUTE_NODE )
    00279                                 {
    00280                                         DOMAttr* attribute = (DOMAttr*) node;
    00281                                         Attribute::MappedAttributes::const_iterator iter = attributes.find( attribute->getName() );
    00282
    00283                                         if( iter != attributes.end())
    00284                                         {
    00285                                                 string attributeValue = GlobalXercesConnector::XMLCh2str( attribute->getValue() );
    00286                                                 iter->second->Set( attributeValue );
    00287                                         }
    00288                                 }
    00289                         }
    00290         }
    00291
    00292         void FillElement(DOMElement &element)
    00293         {
    00294                 DOMDocument* pDoc = element.getOwnerDocument();
    00295
    00296                 DOMElement* pHead = pDoc->createElement( transcodedName );
    00297                 element.appendChild( pHead );
    00298
    00299                 for( MappedElements::const_iterator iter = elements.begin(); iter != elements.end(); iter++)
    00300                         iter->second->FillElement( *pHead );
    00301
    00302                 for( Attribute::MappedAttributes::iterator iter = attributes.begin(); iter != attributes.end(); iter++)
    00303                         iter->second->FillAttribute( *pHead );
    00304         }
    00305 };
    00306
    00307 #endif // #ifndef UI_H