Changeset 142

Timestamp:

08/19/08 16:41:26 (17 years ago)

Author:

mido

Message:

UI - jen jako zaloha, jeste nehotove, nicmene build by mel projit

Files:

• bdm/userinfo.cpp (modified) (4 diffs)
• bdm/userinfo.h (modified) (5 diffs)
• tests/testUI.cpp (modified) (1 diff)

bdm/userinfo.cpp

@@ -13 +13 @@
 #include "userinfo.h"
 
-GlobalXercesConnector::GlobalXercesConnector()
+XercesConnector::XercesConnector()
 {
         // initialize the XML library
@@ -27 +27 @@
         if (pSerializer->canSetFeature(XMLUni::fgDOMWRTFormatPrettyPrint, true))
                 pSerializer->setFeature(XMLUni::fgDOMWRTFormatPrettyPrint, true);
-
-        pParser = new XercesDOMParser;  
-        pParser->setValidationScheme(XercesDOMParser::Val_Auto);
-        pParser->setDoNamespaces(false);
-        pParser->setDoSchema(false);
 }
 
-GlobalXercesConnector::~GlobalXercesConnector()
+XercesConnector::~XercesConnector()
 {
-        delete pParser; 
         delete pSerializer;
 
@@ -43 +37 @@
 }
 
-string GlobalXercesConnector::XMLCh2str( const XMLCh* const  XMLCh_str )
+string XercesConnector::XMLCh2str( const XMLCh* const  XMLCh_str )
 {
         char *local = XMLString::transcode( XMLCh_str );
@@ -51 +45 @@
 }
 
-bool GlobalXercesConnector::Comparator::operator()( const XMLCh* const a , const XMLCh* const b) const
+bool XercesConnector::Comparator::operator()( const XMLCh* const a , const XMLCh* const b) const
 {
         return ( XMLString::compareString(a,b) > 0);
 }       
 
-const GlobalXercesConnector XMLConnector;
-
-//////////////////////
-
-Attribute::Attribute( const string name ) 
-        :       transcodedName ( XMLString::transcode( name.c_str() ) ) 
-{       
-        XMLString::lowerCase( transcodedName );
-}
-
-Attribute::~Attribute() 
-{                
-        XMLString::release( (XMLCh**)&transcodedName );
-}
-
-void Attribute::Attach( MappedAttributes &externalAttributes)
-{
-        pair<const XMLCh* const, Attribute* const> newPair( transcodedName, this );
-        externalAttributes.insert(newPair);
-}
-
-void Attribute::FillAttribute(DOMElement &element)
-{
-        DOMDocument* pDoc = element.getOwnerDocument();
-        DOMAttr* pAttribute = pDoc->createAttribute( transcodedName );
-
-        const string attributeValue = Get();
-        XMLCh* transcodedValue = XMLString::transcode( attributeValue.c_str() ); 
-        pAttribute->setValue( transcodedValue );
-        XMLString::release( &transcodedValue );
-
-        element.setAttributeNode(pAttribute);                   
-}
-
-DoubleAttribute::DoubleAttribute( const string name) 
-        : Attribute( name )
-{
-        value = 0;
-}
-
-void DoubleAttribute::Set( const string str )
-{
-        value = atof( str.c_str() );
-}
-
-const string DoubleAttribute::Get()
-{ 
-        char buffer[50];
-        sprintf( buffer, "%f", value );
-        return string( buffer );
-}   
-
-
-/*!
-@brief User Info base class
-
-This class is used to store information about parameters of an object. It support loading and saving of the information and, potentially, interaction with the user.
-*/
-IntAttribute::IntAttribute( const string name ) 
-        : Attribute( name )
-{
-        value = 0;
-}
-
-void IntAttribute::Set( const string str )
-{
-        value = atoi( str.c_str() );
-}
-
-const string IntAttribute::Get()
-{ 
-        char buffer[50];
-        sprintf( buffer, "%d", value );
-        return string( buffer );
-}   
-
-
-/*!
-@brief User Info base class
-
-This class is used to store information about parameters of an object. It support loading and saving of the information and, potentially, interaction with the user.
-*/
-StringAttribute::StringAttribute( const string name ) 
-        : Attribute( name ),
-        value("")
-{
-}
-
-void StringAttribute::Set( const string str )
-{
-        value = str.c_str();
-}
-
-const string StringAttribute::Get()
-{ 
-        return value;           
-}   
-
-

bdm/userinfo.h

@@ -6 +6 @@
 #include <stdio.h>
 #include <string>
+#include <typeinfo>
 #include <map>
 #include <utility>
+#include <vector>
 #include <xercesc/dom/DOM.hpp>
 #include <xercesc/util/PlatformUtils.hpp>
@@ -24 +26 @@
 using namespace std;
 
-
 /*!
 @brief Xerces interface class
@@ -30 +31 @@
 This class is used to interact with the Xerces library.
 */
-class GlobalXercesConnector
+class XercesConnector
 {
 public:
@@ -37 +38 @@
         //! This DOMWriter is used to export internal data into xml files
         DOMWriter *pSerializer;
-        //! This DOMWriter is used to import external data from xml files
-        XercesDOMParser *pParser;
-
-
+
+private:
         //!default constructor
-        GlobalXercesConnector();
+        XercesConnector();
         //!destructor
-        ~GlobalXercesConnector();
+        ~XercesConnector();
+        //!forbidden copy constructor
+        XercesConnector( XercesConnector& ref );
+public:
+
+        DOMDocument* Parse( const LocalFileInputSource & inputSource )
+        {
+                //! This DOMWriter is used to import external data from xml files
+                XercesDOMParser parser;
+
+                parser.setValidationScheme(XercesDOMParser::Val_Auto);
+                parser.setDoNamespaces(false);
+                parser.setDoSchema(false);
+
+                parser.parse( inputSource );
+                if( parser.getErrorCount() )
+                        return NULL;
+                
+                return parser.adoptDocument();  
+        }
 
 
         //! function transcodes Xerces' XMLCh-based strings into C++ strings
-        static string XMLCh2str( const XMLCh* const  XMLCh_str );
+        string XMLCh2str( const XMLCh* const  XMLCh_str );
 
         class Comparator
@@ -56 +74 @@
                 bool operator()( const XMLCh* const a , const XMLCh* const b) const;
         };
-};
-
-//! The only global instance of the GlobalXercesConnector class
-extern const GlobalXercesConnector XMLConnector;
+
+        //! The only global instance of the XercesConnector class
+        // potrebujeme inicializaci hned v okamziku zavolani!!
+        static XercesConnector& instance()
+        {
+                static XercesConnector gxc;
+                return gxc;
+        };
+};
+
+class BindingFrame
+{
+public:
+        // nacpe na prislusne pointery, kdyztak da NULL
+        virtual void AssemblyBindedData( DOMElement &element ) = 0;
+
+        // uvolneni pameti po slozeni objektu, tj. lze jedine po AssemblyBD
+        virtual void ReleaseUsedMemory() = 0;
+
+        // vrati bool, pokud se povedlo rozebrat a naplnit element
+        // nebude tu nahodou jeste ten help - string??
+        virtual bool DisassemblyBindedData( DOMElement &element ) = 0;          
+};
 
 
 /*!
-@brief User Info base class
-
-This class is used to store information about parameters of an object. It support loading and saving of the information and, potentially, interaction with the user.
+@brief UserInfo class is for internal purposes only. Use CompoundUserInfo<T> instead.
+
+The raison d'etre of this class is to allow pointers to (the main part of) 
+CompoundUserInfo<T> objects even for different generic types.
 */
 
-class Attribute 
+class UserInfo : public BindingFrame
 {
 private:
-        //! Name which identifies the attribute among others related to the same XML-tag, 
-        //! must be unique within its context!
-        XMLCh* const transcodedName;
-
-public:
-        //! Type definition of mapping which transforms names to the related attributes 
-        typedef map<const XMLCh* const, Attribute* const, GlobalXercesConnector::Comparator> MappedAttributes;
-
-        //! The only constructor which fills the transcodedName attribute
-        Attribute( const string name );
-        //! Destructor
-        ~Attribute();
-
-        //! Set accessor to this attribute converting input string into a properly-typed value 
-        virtual void Set( const string str ) = 0;
-        //! Get accessor converting stored value into a string
-        virtual const string Get() = 0; 
-        //! This method is the key method to connect the attribute to the related UI element
-        void Attach( MappedAttributes &externalAttributes);
-        //! This method add and DOMAttribute node to the DOMElement passed as an argument
-        void FillAttribute(DOMElement &element);
-};
-
-/*!
-@brief Class encapsulating all the necessary stuff to work with the double attribute 
-*/
-class DoubleAttribute: public Attribute
-{
-public:
-        double value;
-        DoubleAttribute( const string name);
-        void Set( const string str );
-        const string Get();
-};
-
-
-/*!
-@brief Class encapsulating all the necessary stuff to work with an int attribute 
-*/
-class IntAttribute : public Attribute
-{
-public:
-        int value;
-        IntAttribute( const string name );
-        void Set( const string str );
-        const string Get();
-};
-
-/*!
-@brief Class encapsulating all the necessary stuff to work with a string attribute 
-*/
-class StringAttribute : public Attribute
-{
-public:
-        string value;
-        StringAttribute( const string name );
-        void Set( const string str );
-        const string Get();
-};
-
-/*!
-@brief UserInfoCore class is for internal purposes only. Use UserInfo<T> instead.
-
-The raison d'etre of this class is to allow pointers to (the main part of) 
-UserInfo<T> objects even for different generic types.
-*/
-class UserInfoCore
-{
-public:
-        //! Fills internal attributes and descendant elements according DOMElement
-        virtual void ParseElement(DOMElement *element) = 0;
-
-        //! Fills DOMElement according internal attributes and descendant elements
-        virtual void FillElement(DOMElement &element) = 0;
-};
-
-/*!
-@brief The main user info template class
-
-You should derive this class whenever you need new UserInfo.
-*/
-template<typename T> class UserInfo : public UserInfoCore
-{
-private:
-        //! Name which identifies the element among others related to the same XML-tag, 
-        //! must be unique within its context!
-        XMLCh* transcodedName;
+        //! Type definition of mapping which transforms type names to the related user infors
+        typedef map< const string, UserInfo*> MappedName2UI;
         
-        //! Type definition of mapping which transforms names to the related elements
-        typedef map<const XMLCh* const, UserInfoCore* const, GlobalXercesConnector::Comparator> MappedElements;
-
-protected:
-        //! MappiLength of the output vector
-        MappedElements elements;
-        //! Length of the output vector
-        Attribute::MappedAttributes attributes;
-
-public:
-        //! Explanation for an user is the only obligatory attribute
-        StringAttribute help;
-
-        //! The only constructor which fills both the transcodedName and the help attribute
-        UserInfo<T>( 
-                const string name, 
-                const string help_msg = "" ) 
-                : help("help"),         
-                transcodedName( XMLString::transcode( name.c_str() ) )
+        //! Mapped 
+        static MappedName2UI& mappedName2UI()
+        {
+                static MappedName2UI var;
+                return var;
+        }
+
+        const string underlyingTypeName;
+
+public:
+
+        //! The only constructor which fills both the transcodedTypeName and the help attribute
+        UserInfo( const string& underlyingTypeName )
+                : underlyingTypeName ( underlyingTypeName )
         {       
-                XMLString::upperCase( transcodedName );
-                help.Attach( attributes );
-                help.value = help_msg;
-        };
-        //! Destructor
-        ~UserInfo<T>()
-        {
-                XMLString::release( (XMLCh**)&transcodedName );
-        }
-
-        //! returns object of templated type filled with data stored in this UserInfo instance
-        virtual T* build(void) = 0;
-
-        //! Save UserInfo to the file (typically with an XML extension)
-        void Save ( char* fileName )
-        {
-                XMLCh* transcodedFileName = XMLString::transcode( fileName );
-                LocalFileFormatTarget outputTarget( transcodedFileName );
-                XMLString::release( &transcodedFileName );
-
-                DOMDocument* pDoc = XMLConnector.pImplementation->createDocument( 
-                        XMLString::transcode( "M3K USER INFO" ), 
-                        XMLString::transcode( "ROOT" ), NULL );
-                DOMElement *pRoot = pDoc->getDocumentElement();
-
-                FillElement( *pRoot );
-
-                XMLConnector.pSerializer->writeNode( &outputTarget, *pDoc);
-                delete pDoc;
-        }       
-        //! Load UserInfo from the file (typically with an XML extension)
-        void Load ( char* fileName ) 
-        {
-                bool bFailed = false;
-
-                try
-                {
-                        XMLCh* transcodedFileName = XMLString::transcode( fileName ) ;
-                        const LocalFileInputSource inputSource( transcodedFileName );           
-                        XMLString::release( &transcodedFileName );
-
-                        XMLConnector.pParser->parse( inputSource );
-                        bFailed = ( XMLConnector.pParser->getErrorCount() != 0 );
-                }
-                catch (...)
-                {
-                        bFailed = true;
-                }
-
-                if( !bFailed)
-                {
-                        DOMDocument *pDoc = XMLConnector.pParser->getDocument();                
-                        DOMElement *pRoot = pDoc->getDocumentElement();
-                        bFailed = true;
-                        for( DOMNode* node = pRoot->getFirstChild(); node != NULL; node = node->getNextSibling() )
-                                if( node->getNodeType() == DOMNode::ELEMENT_NODE )
-                                {
-                                        ParseElement( (DOMElement*) node );
-                                        bFailed = false;
-                                        break;
-                                }
-                }
-
-                if( bFailed )
-                {
-                        // exception?!
-                }               
-        }
-        //! This method is the key method to connect the element to its parent UI element
-        void Attach( MappedElements &externalElements)
-        {
-                pair<const XMLCh* const, UserInfoCore* const> newPair( transcodedName, this );
-                externalElements.insert(newPair);
-        }
+                // trik, chci jen to, aby se inicializoval!!
+                XercesConnector::instance();
+
+                cout << underlyingTypeName;
+
+                mappedName2UI().insert( make_pair( underlyingTypeName, this ) );
+        }
+
+        ~UserInfo()
+        {               
+        }
+
+public:
         
-        void ParseElement(DOMElement *element) 
-        {
-                DOMNodeList* nodeList = element->getChildNodes();
-                if( nodeList )
-                        for( int i = 0; i < nodeList->getLength(); i++ )
+        virtual void BuildInternal(void* &pInstance) = 0;
+
+        //! returns object of templated type filled with data stored in this CompoundUserInfo instance
+        // NULL if error..
+        template<class T>
+        static void Assembly( const string tagName, DOMElement &element, T* &pInstance  )
+        {       
+                pInstance = NULL;
+
+                XMLCh* transcodedTagName = XMLString::transcode( tagName.c_str() );             
+                XMLString::upperCase( transcodedTagName );
+
+/*/////////////////////////
+                DOMNodeList* nodeListe = element.getChildNodes();
+                if( nodeListe )
+                        for( int i = 0; i < nodeListe->getLength(); i++ )
                         {
-                                DOMNode* node = nodeList->item(i);
+                                DOMNode* node = nodeListe->item(i);
                                 if( node->getNodeType() == DOMNode::ELEMENT_NODE )
                                 {
                                         DOMElement* childElement = (DOMElement*) node;
-                                        MappedElements::const_iterator iter = elements.find( childElement->getTagName() );
-
-                                        if( iter != elements.end())
-                                                iter->second->ParseElement( childElement );
+                                        cout << XercesConnector::instance().XMLCh2str( childElement->getTagName() );
                                 }
                         }
-                        
-                DOMNamedNodeMap* nodeMap = element->getAttributes();
-                if( nodeMap )
-                        for( int i = 0; i < nodeMap->getLength(); i++ )
+                getchar();
+
+*/////////////////////////////
+
+
+                DOMNodeList* const nodeList = element.getElementsByTagName( transcodedTagName );
+                XMLString::release( (XMLCh**)&transcodedTagName );
+
+                if( nodeList != NULL && nodeList->getLength() != 1 )
+                        return;
+
+                // TAKZE MAME V RUCE ELEMENT SE JMENEM "tagName"
+                DOMElement* childElement = (DOMElement*) nodeList->item(0);
+
+                // COZ O TO, UDELAL BYCH TO STATICKOU KONSTANTOU, ALE JAK JI PAK SMAZU??
+                XMLCh* transcodedTypeAttributeName = XMLString::transcode("type");
+                const XMLCh* const transcodedType = childElement->getAttribute( transcodedTypeAttributeName );
+                XMLString::release( (XMLCh**)&transcodedTypeAttributeName );
+
+                if( !XMLString::stringLen( transcodedType ) )
+                        return;
+
+                // TED MAME V RUCE JMENO TYPU Z ATRIBUTU TYPE
+                string type = XercesConnector::instance().XMLCh2str( transcodedType );
+
+                MappedName2UI::const_iterator iter = mappedName2UI().find( type  );
+                if( iter == mappedName2UI().end())
+                        return;
+
+                // A TED PRISLUSNE UI
+                UserInfo *relatedUI = iter->second;
+                relatedUI->AssemblyBindedData( *childElement );         
+                relatedUI->BuildInternal( (void*&)pInstance );
+                relatedUI->ReleaseUsedMemory();
+
+                if( pInstance == NULL )
+                        return;
+
+                try
+                {
+                        // takhle to zkontroluju? name musi byt shodne s name nahore!!
+                        // takze mame typ T, ale name bud od jeho potomka.. oki??
+                        string resultingType = typeid( *pInstance ).name();
+                        if( resultingType != type )
                         {
-                                DOMNode* node = nodeMap->item(i);
-                                if( node->getNodeType() == DOMNode::ATTRIBUTE_NODE )
+                                cout << "FATAL ERROR!!" << endl;
+                                pInstance = NULL;
+                        }                       
+                }
+                catch(...)
+                {
+                        // delete? ale jak na to? asi tezko
+                        pInstance = NULL;
+                }               
+                return;
+        }       
+
+        // ? pri destrukci si za ne naopak zodpovida ten, kdo je vytvoril.. protoze 
+        // budou zit v tom objektu!! tak jakapak destrkuce..
+};
+
+
+template<typename T> class TypedUserInfo : public UserInfo
+{
+protected:
+
+        //! The only constructor which fills 
+        TypedUserInfo<T>( ) 
+                : UserInfo( typeid(T).name() ) 
+        {       
+        };
+
+        //! Destructor
+        ~TypedUserInfo<T>()
+        {
+        }
+
+public:
+        // FRIEND radeji
+        void BuildInternal(void* &pInstance)
+        {
+                T* &pTypedInstance = (T*&) pInstance;
+                Build( pTypedInstance );
+        }
+
+        virtual void Build(T* &pTypedInstance) = 0;
+
+        static const TypedUserInfo<T> &instance;
+};
+
+
+
+/*!
+@brief The main user info template class
+
+You should derive this class whenever you need new CompoundUserInfo.
+*/
+template<typename T> class CompoundUserInfo : public TypedUserInfo<T>
+{
+private:
+        //! Mapped elements, i.e., descendant html tags
+        vector<BindingFrame* const> bindedElements;
+
+protected:
+        template<typename U> class BindedType: public BindingFrame
+        {
+        private:
+                const TypedUserInfo<U> &factory;
+                string name;
+                string help;
+
+        public:
+                U* pInstance;
+
+                BindedType<U>( CompoundUserInfo<T> *parent, string name, string help ) 
+                        : name( name), help(help)
+                        factory( TypedUserInfo<U>::instance )           
+                {
+                        parent->bindedElements.push_back( this );
+                        pInstance = NULL;
+                }
+
+                BindedType<U>( CompoundUserInfo<T> *parent, string name ) 
+                        : name( name), help(""),
+                        factory( TypedUserInfo<U>::instance )           
+                {
+                        parent->bindedElements.push_back( this );
+                        pInstance = NULL;
+                }
+
+                void AssemblyBindedData( DOMElement &element )
+                {
+                        factory.Assembly( pInstance, element, name );
+                }
+
+                void ReleaseUsedMemory()
+                {
+                        if( pInstance != NULL )
+                                delete pInstance;
+                }
+
+                bool DisassemblyBindedData( DOMElement &element )
+                {
+        //              return factory.Disassembly( (void*&) pInstance, element, name, help );
+                        return true;
+                }
+        };
+
+
+public:
+
+        void AssemblyBindedData( DOMElement &element )
+        {
+                for( unsigned int ind = 0; ind < bindedElements.size(); ind++ )
+                        bindedElements[ind]->AssemblyBindedData( element );
+        }
+
+        void ReleaseUsedMemory()
+        {                       
+                for( unsigned int ind = 0; ind < bindedElements.size(); ind++ )
+                        bindedElements[ind]->ReleaseUsedMemory();
+        }
+
+        bool DisassemblyBindedData( DOMElement &element )
+        {
+                for( unsigned int ind = 0; ind < bindedElements.size(); ind++ )
+                        if( !bindedElements[ind]->DisassemblyBindedData( element ) )
+                                return false;
+                return true;
+        }
+};
+
+
+        /*      
+        //! returns object of templated type filled with data stored in this CompoundUserInfo instance
+        bool Disassembly(void * &pInstance, DOMElement &element, string name, char * help = "" )
+        {
+                T* &pTypedInstance = (T*&) pInstance;
+                // do elementu prida vetev se jmenem name a vyplni obsahujici data z instance
+                // zde nemuze vzniknout zadna chyba, ponevadz XML vytvarime 
+
+/*
+                for( MappedElements::const_iterator iter = elements.begin(); iter != elements.end(); iter++)
+                {
+                        iter->second->AppendElement( *pHead );
                                 {
-                                        DOMAttr* attribute = (DOMAttr*) node;
-                                        Attribute::MappedAttributes::const_iterator iter = attributes.find( attribute->getName() );
-
-                                        if( iter != attributes.end())
-                                        {
-                                                string attributeValue = GlobalXercesConnector::XMLCh2str( attribute->getValue() );
-                                                iter->second->Set( attributeValue );
-                                        }
-                                }
+                DOMDocument* pDoc = element.getOwnerDocument();
+
+                DOMElement* pHead = pDoc->createElement( transcodedTypeName );          
+                element.appendChild( pHead );
+
+                FillElement( pHead );
+}
                         }
-        }
-        
-        void FillElement(DOMElement &element)
-        {
-                DOMDocument* pDoc = element.getOwnerDocument();
-
-                DOMElement* pHead = pDoc->createElement( transcodedName );              
-                element.appendChild( pHead );
-
-                for( MappedElements::const_iterator iter = elements.begin(); iter != elements.end(); iter++)
-                        iter->second->FillElement( *pHead );
-
-                for( Attribute::MappedAttributes::iterator iter = attributes.begin(); iter != attributes.end(); iter++)
-                        iter->second->FillAttribute( *pHead );
-        }
-};
+
+                for( MappedAttributes::iterator iter = attributes.begin(); iter != attributes.end(); iter++)
+                {
+                        // we do not create attributes, which are empty
+                        if( !strcmp( iter->second->c_str(), "") )
+                                continue;
+
+                        DOMDocument* pDoc = pHead->getOwnerDocument();
+                        DOMAttr* pAttribute = pDoc->createAttribute( iter->first );
+
+                        XMLCh* transcodedValue = XMLString::transcode( iter->second->c_str() ); 
+                        pAttribute->setValue( transcodedValue );
+                        XMLString::release( &transcodedValue );
+
+                        pHead->setAttributeNode(pAttribute);                    
+                }
+                return true;
+        }
+*/
+
+
+template<typename T> class ValuedUserInfo : public TypedUserInfo<T>
+{
+
+private:
+        const XMLCh* const transcodedValueName;
+
+public:
+        // Value nemusi byt pointer, na rozdil od ostatnich binding framu..
+        string value;
+
+        ValuedUserInfo<T>()
+                : transcodedValueName( XMLString::transcode( "value" ))
+        {
+        }
+
+        ~ValuedUserInfo<T>()
+        {
+                XMLString::release( (XMLCh**)&transcodedValueName );
+        }
+
+        void AssemblyBindedData( DOMElement &element )
+        {               
+                const XMLCh* const transcodedValue = element.getAttribute( transcodedValueName );
+                value = XercesConnector::instance().XMLCh2str( transcodedValue );
+        }
+
+        void ReleaseUsedMemory()
+        {                       
+        }
+
+        bool DisassemblyBindedData( DOMElement &element )
+        {
+//              if( value.length()==0 )
+//                      return false;
+                return true;
+        }
+};
+
+
+class RootElement 
+{
+// umi se pretypovat na DOMElement &element     
+// a to vzdy, save a load se muze udelat az pak!!
+
+private:
+        DOMElement * pRoot;
+        DOMDocument* pDoc;
+
+        const XMLCh* const transcodedFileName ;
+
+public:
+
+        RootElement( char* fileName )
+                : transcodedFileName( XMLString::transcode( fileName ) )
+        {               
+                pDoc = XercesConnector::instance().pImplementation->createDocument( 
+                        XMLString::transcode( "M3K USER INFO" ), 
+                        XMLString::transcode( "ROOT" ), NULL );
+                pRoot = pDoc->getDocumentElement();
+        }
+
+        ~RootElement()
+        {
+                XMLString::release( (XMLCh**)&transcodedFileName );
+                if( pDoc ) 
+                        delete pDoc;            
+        }
+
+        //! loads root element from a file
+        bool Load( void ) 
+        {
+                const LocalFileInputSource inputSource( transcodedFileName );           
+                DOMDocument * newDoc = XercesConnector::instance().Parse( inputSource );
+                if( newDoc == NULL )                                    
+                        return false;
+
+                if( pDoc ) 
+                        delete pDoc;            
+
+                pDoc = newDoc;                  
+                pRoot = pDoc->getDocumentElement();
+                return true;            
+        }
+
+
+        //! Save UserInfo to the file (typically with an XML extension)
+        void Save ( void )
+        {
+                LocalFileFormatTarget outputTarget( transcodedFileName );       
+                XercesConnector::instance().pSerializer->writeNode( &outputTarget, *pDoc);
+        }       
+
+        operator DOMElement&()
+        {
+                return *pRoot;
+        }
+};
+
 
 #endif // #ifndef UI_H

tests/testUI.cpp

@@ -1 +1 @@
 #include "userinfo.h"
 
-class Engine 
+class IntUI: public ValuedUserInfo<int>
 {
 public:
-        string producer;
-        double consumption;
 
-        Engine( string producer, double consumption )
-                : producer( producer ),
-                consumption( consumption )
+        void Build(int* &pInstance)
         {
+                // KDO SE POSTARA O DEALOKACI TOHOTO? NADRAZENE UI? ASI..
+                // PAK TO CHCE ALE OBDOBNE UDELAT I STRING NIZE, ZKOPIROVAT atd
+                pInstance = new int( atoi( value.c_str()) );
+        }
+
+};
+
+const TypedUserInfo<int>& IntUI::instance = IntUI();
+
+
+class StringUI: public ValuedUserInfo<string>
+{
+public:
+        void Build(string* &pInstance)
+        {
+                pInstance  = &value;
         }
 };
 
-//! User info for strings
-class EngineUI : public UserInfo<Engine> 
-{
-public:
-        StringAttribute producer;
-        DoubleAttribute consumption;
-        
-        EngineUI()
-                : UserInfo<Engine>( "engine", "type of engine" ),
-                producer( "producer"),
-                consumption( "consumption")
-        {
-                producer.Attach( attributes );
-                consumption.Attach( attributes );
-        }
-
-        Engine* build()
-        {               
-                return new Engine( producer.value, consumption.value );
-        }
-};
-
-
-class Car
-{
-public:
-        string color;
-        int year;
-        Engine engine;
-
-        Car( string color, int year, Engine engine)
-                : color( color ),
-                year( year ),
-                engine( engine )
-        {
-        }
-};
-
-//! User info for strings
-class CarUI : public UserInfo<Car> 
-{
-public:
-        EngineUI engine;
-
-        StringAttribute color;
-        IntAttribute year;
-
-        CarUI()
-                : UserInfo<Car>("car", "type of a car"), 
-                color( "color"), 
-                year( "color" )
-        {
-                engine.Attach( elements );
-
-                color.Attach( attributes );
-                year.Attach( attributes );
-        }
-
-        Car* build()
-        {               
-                Engine* pEng = engine.build();
-                return new Car(color.value, year.value,*pEng);
-        }
-};
+const TypedUserInfo<string>& StringUI::instance = StringUI();
 
 
 int main()
 {
-        CarUI car;
+        int i = 9, *pi = &i;
 
-        car.Save( "car.xml" );  
+        RootElement root("car.xml");
+        root.Load();
 
-/*
-        car.Load( "car.xml" );
-        Car *pDefaultCar = car.build();
-        cout << "our car has " << pDefaultCar->color << " color";
-        delete pDefaultCar;
-// */
-
-        getchar();
+        UserInfo::Assembly("clovek",root,pi);
+        
+        //root.Save(); 
+        
+        cout << "press any key to quit, pi=" << *pi << endl;
+        getchar(); 
         return 0;
 }
-