1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description:

    15 *

    16 */

    17 using System;

    18 using System.IO;

    19 using System.Xml;

    20 using System.Text;

    21 using System.Collections.Generic;

    22 using SymbianTree;

    23 using SymbianUtils;

    24 using SymbianXmlInputLib.Elements;

    25 using SymbianXmlInputLib.Elements.Types.Command;

    26 

    27 namespace SymbianXmlInputLib.Parser.Nodes

    28 {

    29     public class SXILParserNodeCommand : SXILParserNode

    30     {

    31         #region Constructors

    32         public SXILParserNodeCommand()

    33         {

    34         }

    35 

    36         public SXILParserNodeCommand( string aDescription )

    37             : base( aDescription )

    38         {

    39         }

    40         #endregion

    41 

    42         #region From SXILParserNode

    43         public override bool IsMulti

    44         {

    45             get

    46             {

    47                 return true;

    48             }

    49         }

    50 

    51         public override void XmlParse( XmlNode aNode )

    52         {

    53             XmlAttributeCollection attribs = aNode.Attributes;

    54             if ( attribs.Count < 1 || attribs[ "name" ] == null )

    55             {

    56                 throw new ArgumentException( "Mandatory name node missing" );

    57             }

    58 

    59             XmlAttribute nameAttribute = attribs[ "name" ];

    60             string name = nameAttribute.Value.Trim();

    61 

    62             // Get details if present

    63             string details = aNode.InnerText.Trim();

    64 

    65             SXILElementCommand command = new SXILElementCommand( name, details );

    66             base.Document.CurrentNode.Add( command );

    67 

    68             iHandled = true;

    69         }

    70 

    71         public override bool CanHandle( XmlNode aNode )

    72         {

    73             bool ret = false;

    74             

    75             // We must support categories that contain multiple commands

    76             // therefore we must provide a means of preventing an already-populated command from

    77             // processing multiple xml tags.

    78             if ( !iHandled )

    79             {

    80                 // This command instance has not yet successfully processed a command, so

    81                 // it's okay to at least attempt to handle it - providing the xml tag is

    82                 // our expected "command" name.

    83                 ret = ( aNode.Name.ToUpper() == KXmlTagName );

    84             }

    85             //

    86             return ret;

    87         }

    88         #endregion

    89 

    90         #region Internal constants

    91         private const string KXmlTagName = "COMMAND";

    92         #endregion

    93 

    94         #region Data members

    95         private bool iHandled = false;

    96         #endregion

    97     }

    98 }