/*

* Copyright (c) 2004-2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using System.IO;

using SymbianUtils;

using SymbianUtils.Tracer;

using SymbianUtils.FileTypes;

using SymbianUtils.PluginManager;

using SymbianStructuresLib.Debug.Common.Interfaces;

using SymbianSymbolLib.DbgEnginePlugin;

using SymbianSymbolLib.SourceManagement.Source;

namespace SymbianSymbolLib.SourceManagement.Provisioning

{

    public class SymSourceProviderManager : DisposableObject, IEnumerable<SymSourceProvider>, ITracer

    {

        #region Constructors

        internal SymSourceProviderManager( SymbolPlugin aPlugin, IPlatformIdAllocator aIdAllocator )

        {

            iPlugin = aPlugin;

            iIdAllocator = aIdAllocator;

            //

            iProviders.Load( new object[] { this } );

        }

        #endregion

        #region API

        public SymFileTypeList SupportedFileTypes()

        {

            SymFileTypeList ret = new SymFileTypeList();

            //

            foreach ( SymSourceProvider provider in iProviders )

            {

                SymFileTypeList list = provider.FileTypes;

                ret.AddRange( list );

            }

            //

            return ret;

        }

        public SymSourceProvider GetProvider( string aFileName )

        {

            SymSourceProvider ret = null;

            //

            foreach ( SymSourceProvider provider in iProviders )

            {

                bool canRead = provider.IsSupported( aFileName );

                if ( canRead )

                {

                    ret = provider;

                    break;

                }

            }

            //

            return ret;

        }

        public IEnumerator<SymSource> GetSourceEnumerator()

        {

            return iPlugin.SourceManager.GetEnumerator();

        }

        public void PrepareToCreateSources()

        {

            foreach ( SymSourceProvider provider in iProviders )

            {

                provider.PrepareToCreateSources();

            }

        }

        #endregion

        #region Properties

        public int Count

        {

            get { return iProviders.Count; }

        }

        public SymSourceProvider this[ string aName ]

        {

            get

            {

                SymSourceProvider ret = null;

                //

                foreach ( SymSourceProvider prov in iProviders )

                {

                    if ( prov.Name == aName )

                    {

                        ret = prov;

                        break;

                    }

                }

                //

                return ret;

            }

        }

        public IPlatformIdAllocator IdAllocator

        {

            get { return iIdAllocator; }

        }

        public SymSourceProvider this[ int aIndex ]

        {

            get { return iProviders[ aIndex ]; }

        }

        #endregion

        #region Internal methods

        internal SymbolPlugin Plugin

        {

            get { return iPlugin; }

        }

        #endregion

        #region From IEnumerable<SymSourceProvider>

        public IEnumerator<SymSourceProvider> GetEnumerator()

        {

            foreach ( SymSourceProvider prov in iProviders )

            {

                yield return prov;

            }

        }

        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()

        {

            foreach ( SymSourceProvider prov in iProviders )

            {

                yield return prov;

            }

        }

        #endregion

        #region From ITracer

        public void Trace( string aMessage )

        {

            iPlugin.Trace( aMessage );

        }

        public void Trace( string aFormat, params object[] aParams )

        {

            iPlugin.Trace( aFormat, aParams );

        }

        #endregion

        #region From DisposableObject

        protected override void CleanupManagedResources()

        {

            try

            {

                base.CleanupManagedResources();

            }

            finally

            {

                iProviders.Unload();

                iProviders.Dispose();

            }

        }

        #endregion

        #region Data members

        private readonly SymbolPlugin iPlugin;

        private readonly IPlatformIdAllocator iIdAllocator;

        private PluginManager<SymSourceProvider> iProviders = new PluginManager<SymSourceProvider>();

        #endregion

    }

}