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.Text;

    19 using System.Text.RegularExpressions;

    20 using System.Collections.Generic;

    21 

    22 namespace DExcPlugin.Extractor

    23 {

    24 	internal class DExcExtractorEntry

    25     {

    26         #region Constructors

    27         public static DExcExtractorEntry NewMatchAndSave( Regex aExpression )

    28         {

    29             DExcExtractorEntry ret = new DExcExtractorEntry( aExpression );

    30             return ret;

    31         }

    32 

    33         public static DExcExtractorEntry NewMatchAndTransition( Regex aExpression, DExcExtractor.TState aNewState )

    34         {

    35             DExcExtractorEntry ret = new DExcExtractorEntry( aExpression, TType.ETypeMatchAndTransition, aNewState );

    36             return ret;

    37         }

    38 

    39         public static DExcExtractorEntry NewMatchSaveAndTransition( Regex aExpression, DExcExtractor.TState aNewState )

    40         {

    41             DExcExtractorEntry ret = new DExcExtractorEntry( aExpression, TType.ETypeMatchSaveAndTransition, aNewState );

    42             return ret;

    43         }

    44         #endregion

    45 

    46         #region Internal constructors

    47         private DExcExtractorEntry( Regex aExpression )

    48             : this( aExpression, TType.ETypeMatchAndSave, DExcExtractor.TState.EStateIdle )

    49 		{

    50 		}

    51 

    52         private DExcExtractorEntry( Regex aExpression, TType aType, DExcExtractor.TState aNewState )

    53         {

    54             iType = aType;

    55             iNewState = aNewState;

    56             iExpression = aExpression;

    57         }

    58         #endregion

    59 

    60 		#region API

    61         public bool Offer( string aLine, long aLineNumber, DExcExtractorList aList, DExcExtractor aInterpreter )

    62         {

    63             Match m = iExpression.Match( aLine );

    64             //

    65             if ( m.Success )

    66             {

    67                 if ( Type == TType.ETypeMatchAndTransition || Type == TType.ETypeMatchSaveAndTransition )

    68                 {

    69                     aInterpreter.State = iNewState;

    70                 }

    71                 if ( Type == TType.ETypeMatchAndSave )

    72                 {

    73                     aList.Add( m.Value );

    74                 }

    75                 else if ( Type == TType.ETypeMatchSaveAndTransition )

    76                 {

    77                     // We have just transitioned state and we must add the line

    78                     // to the new state's list

    79                     if ( aInterpreter.CurrentList != null )

    80                     {

    81                         aInterpreter.CurrentList.Add( m.Value );

    82                     }

    83                 }

    84             }

    85             //

    86             return m.Success;

    87 		}

    88 		#endregion

    89 

    90 		#region Properties

    91         private TType Type

    92         {

    93             get { return iType; }

    94         }

    95 		#endregion

    96 

    97         #region Internal enumerations

    98         private enum TType

    99         {

   100             ETypeMatchAndSave,

   101             ETypeMatchAndTransition,

   102             ETypeMatchSaveAndTransition

   103         }

   104         #endregion

   105 

   106         #region From System.Object

   107         public override string ToString()

   108         {

   109             return iExpression.ToString();

   110         }

   111         #endregion

   112 

   113         #region Data members

   114         private readonly TType iType;

   115         private readonly Regex iExpression;

   116         private readonly DExcExtractor.TState iNewState;

   117         #endregion

   118     }

   119 }