void LoadInputFile( wxString aFileName, wxXmlDocument* aXmlDoc )
{
    char      line[sizeof( ACCEL_ASCII_KEYWORD )];
    int       tok;
    XNODE*    iNode = NULL, *cNode = NULL;
    wxString  str, propValue, content;
    wxCSConv  conv( wxT( "windows-1251" ) );

    FILE* fp = wxFopen( aFileName, wxT( "rt" ) );

    if( !fp )
        THROW_IO_ERROR( wxT( "Unable to open file: " ) + aFileName );

    // check file format
    if( !fgets( line, sizeof( line ), fp )
        || strcmp( line, ACCEL_ASCII_KEYWORD ) )
        THROW_IO_ERROR( "Unknown file type" );

    // rewind the file
    fseek( fp, 0, SEEK_SET );

    // lexer now owns fp, will close on exception or return
    DSNLEXER lexer( empty_keywords, 0, fp,  aFileName );

    iNode = new XNODE( wxXML_ELEMENT_NODE, wxT( "www.lura.sk" ) );

    while( ( tok = lexer.NextTok() ) != DSN_EOF )
    {
        if( tok == DSN_RIGHT )
        {
            iNode = iNode->GetParent();
        }
        else if( tok == DSN_LEFT )
        {
            tok = lexer.NextTok();
            str = wxEmptyString;
            cNode = new XNODE( wxXML_ELEMENT_NODE, wxString( lexer.CurText(), conv ) );
            iNode->AddChild( cNode );
            iNode = cNode;
        }
        else if( cNode )
        {
            str = wxString( lexer.CurText(), conv );
            if( tok == DSN_STRING )
            {
                // update attribute
                if( iNode->GetAttribute( wxT( "Name" ), &propValue ) )
                {
                    iNode->DeleteAttribute( wxT( "Name" ) );
                    iNode->AddAttribute( wxT( "Name" ), propValue + wxT( ' ' ) + str );
                }
                else
                    iNode->AddAttribute( wxT( "Name" ), str );
            }
            else if( str != wxEmptyString )
            {
                // update node content
                content = cNode->GetNodeContent() + wxT( ' ' ) + str;

                if( cNode->GetChildren() )
                    cNode->GetChildren()->SetContent( content );
                else
                    cNode->AddChild( new wxXmlNode( wxXML_TEXT_NODE,
                                                    wxEmptyString,
                                                    content ) );
            }
        }
    }

    if( iNode )
    {
        aXmlDoc->SetRoot( iNode );
        //aXmlDoc->Save( wxT( "test.xml" ) );
    }
}
void LoadInputFile( wxString aFileName, wxXmlDocument* aXmlDoc )
{
    int       tok;
    XNODE*    iNode = NULL, *cNode = NULL;
    wxString  str;
    bool      growing = false;
    bool      attr = false;
    wxCSConv  conv( wxT( "windows-1251" ) );

    FILE* fp = wxFopen( aFileName, wxT( "rt" ) );

    if( !fp )
        THROW_IO_ERROR( wxT( "Unable to open file: " ) + aFileName );

    // lexer now owns fp, will close on exception or return
    DSNLEXER lexer( empty_keywords, 0, fp,  aFileName );

    iNode = new XNODE( wxXML_ELEMENT_NODE, wxT( "www.lura.sk" ) );

    while( ( tok = lexer.NextTok() ) != DSN_EOF )
    {
        if( growing && ( tok == DSN_LEFT || tok == DSN_RIGHT ) )
        {
            if( attr )
            {
                cNode->AddAttribute( wxT( "Name" ), str.Trim( false ) );
            }
            else if( str != wxEmptyString )
            {
                cNode->AddChild( new XNODE( wxXML_TEXT_NODE, wxEmptyString, str ) );
            }

            growing = false;
            attr = false;
        }

        if( tok == DSN_RIGHT )
        {
            iNode = iNode->GetParent();
        }
        else if( tok == DSN_LEFT )
        {
            tok = lexer.NextTok();
            str = wxEmptyString;
            cNode = new XNODE( wxXML_ELEMENT_NODE, wxString( lexer.CurText(), conv ) );
            iNode->AddChild( cNode );
            iNode = cNode;
            growing = true;
        }
        else
        {
            str += wxT( ' ' );
            str += wxString( lexer.CurText(), conv );
            if( tok == DSN_STRING )
                attr = true;
        }
    }

    if( iNode )
    {
        aXmlDoc->SetRoot( iNode );
        //aXmlDoc->Save( wxT( "test.xml" ) );
    }
}