/*

* Copyright (c) 2009 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.Text;

using System.Text.RegularExpressions;

using SymbianUtils;

using SymbolLib.Sources.Map.Engine;

namespace SymbolLib.CodeSegDef

{

	public class CodeSegDefinitionParser

	{

        #region Constructors & destructor

        public CodeSegDefinitionParser()

        {

            iResolver = null;

        }

	    public CodeSegDefinitionParser( CodeSegResolver aResolver )

		{

            iResolver = aResolver;

		}

        #endregion

        #region Properties

        public bool MapFileMustExistsWhenCreatingEntry

        {

            get { return iMapFileMustExistsWhenCreatingEntry; }

            set { iMapFileMustExistsWhenCreatingEntry = value; }

        }

        #endregion

        #region API

        public CodeSegDefinition ParseDefinition( string aLine )

        {

            CodeSegDefinition ret = null;

            //

            Match m = iCodeSegRegEx.Match( aLine );

            if ( m.Success )

            {

                ret = new CodeSegDefinition();

                //

                string gpAddressStart = m.Groups[ "StartAddress" ].Value;

                string gpAddressEnd = m.Groups[ "EndAddress" ].Value;

                string gpBinary = m.Groups[ "Binary" ].Value;

                //

                ret.AddressStart = uint.Parse( gpAddressStart, System.Globalization.NumberStyles.HexNumber );

                ret.AddressEnd = uint.Parse( gpAddressEnd, System.Globalization.NumberStyles.HexNumber );

                ret.ImageFileNameAndPath = gpBinary;

            }

            //

            return ret;

        }

        public CodeSegDefinition ParseAndResolveDefinition( string aLine )

        {

            if ( iResolver == null )

            {

                throw new Exception( "Resolver is not initialised" );

            }

            //

            CodeSegDefinition ret = null;

            CodeSegDefinition entry = ParseDefinition( aLine );

            if ( entry != null )

            {

                ret = iResolver.Resolve( entry, MapFileMustExistsWhenCreatingEntry );

            }

            //

            return ret;

        }

        #endregion

        #region Internal constants

        private static readonly Regex iCodeSegRegEx = new Regex(

            @"(?<StartAddress>[a-fA-F0-9]{8})-(?<EndAddress>[a-fA-F0-9]{8})\s{1}(?<Binary>.+)",

            RegexOptions.IgnoreCase

            );

        private const int KBaseHex = 16;

        #endregion

        #region Data members

        private readonly CodeSegResolver iResolver;

        private bool iMapFileMustExistsWhenCreatingEntry = false;

        #endregion

    }

}