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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 using System; |
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18 using System.Collections.Generic; |
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19 using System.Text; |
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20 using System.IO; |
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21 using SymbianUtils; |
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22 using SymbianUtils.Tracer; |
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23 using SymbianUtils.Streams; |
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24 using SymbianStructuresLib.Uids; |
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25 using SymbianStructuresLib.Compression.Common; |
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26 using SymbianImageLib.Common.Content; |
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27 using SymbianImageLib.Common.Image; |
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28 using SymbianImageLib.Common.Streams; |
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29 using SymbianImageLib.ROFS.Image; |
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30 |
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31 namespace SymbianImageLib.ROFS.Content |
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32 { |
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33 public class SIContentROFSData : SIContent |
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34 { |
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35 #region Constructors |
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36 internal SIContentROFSData( SIROFS aImage, string aName, uint aSize, long aPosition, TCheckedUid aUids ) |
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37 : base( aImage ) |
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38 { |
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39 iFileName = aName; |
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40 iUids = aUids; |
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41 iFileSize = aSize; |
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42 iPosition = aPosition; |
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43 } |
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44 #endregion |
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45 |
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46 #region From SymbianImageContentFile |
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47 public override TSymbianCompressionType CompressionType |
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48 { |
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49 get |
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50 { |
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51 return TSymbianCompressionType.ENone; |
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52 } |
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53 } |
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54 |
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55 public override string FileName |
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56 { |
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57 get { return iFileName; } |
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58 } |
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59 |
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60 public override uint FileSize |
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61 { |
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62 get { return iFileSize; } |
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63 } |
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64 |
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65 public override uint ContentSize |
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66 { |
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67 get { return FileSize; } |
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68 } |
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69 |
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70 public override TCheckedUid Uid |
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71 { |
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72 get { return iUids; } |
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73 } |
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74 |
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75 public override byte[] GetAllData() |
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76 { |
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77 byte[] ret = null; |
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78 // |
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79 using ( SymbianStreamReaderLE reader = SymbianStreamReaderLE.New( (Stream) base.ImageStream, SymbianStreamReaderLE.TCloseOperation.EResetPosition ) ) |
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80 { |
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81 reader.Position = iPosition; |
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82 ret = reader.ReadBytes( (int) iFileSize ); |
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83 } |
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84 // |
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85 return ret; |
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86 } |
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87 |
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88 public override bool IsCode |
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89 { |
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90 get { return false; } |
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91 } |
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92 |
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93 protected override uint DoProvideDataUInt32( uint aTranslatedAddress ) |
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94 { |
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95 using ( SymbianStreamReaderLE reader = Image.Stream.CreateReader( SymbianStreamReaderLE.TCloseOperation.ENone ) ) |
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96 { |
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97 reader.Seek( aTranslatedAddress ); |
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98 uint ret = reader.ReadUInt32(); |
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99 return ret; |
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100 } |
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101 } |
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102 |
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103 protected override ushort DoProvideDataUInt16( uint aTranslatedAddress ) |
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104 { |
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105 using ( SymbianStreamReaderLE reader = Image.Stream.CreateReader( SymbianStreamReaderLE.TCloseOperation.ENone ) ) |
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106 { |
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107 reader.Seek( aTranslatedAddress ); |
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108 ushort ret = reader.ReadUInt16(); |
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109 return ret; |
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110 } |
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111 } |
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112 |
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113 protected override bool GetIsContentPrepared() |
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114 { |
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115 // We just read straight from the file |
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116 return true; |
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117 } |
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118 #endregion |
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119 |
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120 #region Properties |
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121 public long Position |
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122 { |
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123 get { return iPosition; } |
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124 } |
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125 #endregion |
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126 |
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127 #region Data members |
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128 private readonly string iFileName; |
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129 private readonly uint iFileSize; |
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130 private readonly long iPosition; |
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131 private readonly TCheckedUid iUids; |
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132 #endregion |
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133 } |
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134 } |