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annotate Tar/TarInputStream.cs @ 1:94e25b786321

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Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller Initial commit of clean SharpZipLib 0860 source. Only change is build paths.
author IBBoard <dev@ibboard.co.uk>
date Sat, 30 Oct 2010 14:03:17 +0000
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children
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1 // TarInputStream.cs
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2 //
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3 // Copyright (C) 2001 Mike Krueger
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4 //
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5 // This program is free software; you can redistribute it and/or
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6 // modify it under the terms of the GNU General Public License
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7 // as published by the Free Software Foundation; either version 2
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8 // of the License, or (at your option) any later version.
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9 //
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10 // This program is distributed in the hope that it will be useful,
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11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 // GNU General Public License for more details.
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14 //
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15 // You should have received a copy of the GNU General Public License
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16 // along with this program; if not, write to the Free Software
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17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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18 //
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19 // Linking this library statically or dynamically with other modules is
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20 // making a combined work based on this library. Thus, the terms and
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21 // conditions of the GNU General Public License cover the whole
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22 // combination.
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23 //
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24 // As a special exception, the copyright holders of this library give you
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25 // permission to link this library with independent modules to produce an
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26 // executable, regardless of the license terms of these independent
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27 // modules, and to copy and distribute the resulting executable under
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28 // terms of your choice, provided that you also meet, for each linked
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29 // independent module, the terms and conditions of the license of that
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30 // module. An independent module is a module which is not derived from
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31 // or based on this library. If you modify this library, you may extend
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32 // this exception to your version of the library, but you are not
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33 // obligated to do so. If you do not wish to do so, delete this
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34 // exception statement from your version.
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35
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36 using System;
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37 using System.IO;
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38 using System.Text;
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39
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40 namespace ICSharpCode.SharpZipLib.Tar
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41 {
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42
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43 /// <summary>
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44 /// The TarInputStream reads a UNIX tar archive as an InputStream.
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45 /// methods are provided to position at each successive entry in
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46 /// the archive, and the read each entry as a normal input stream
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47 /// using read().
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48 /// </summary>
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49 public class TarInputStream : Stream
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50 {
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51 #region Constructors
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52 /// <summary>
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53 /// Construct a TarInputStream with default block factor
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54 /// </summary>
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55 /// <param name="inputStream">stream to source data from</param>
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56 public TarInputStream(Stream inputStream)
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57 : this(inputStream, TarBuffer.DefaultBlockFactor)
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58 {
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59 }
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60
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61 /// <summary>
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62 /// Construct a TarInputStream with user specified block factor
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63 /// </summary>
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64 /// <param name="inputStream">stream to source data from</param>
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65 /// <param name="blockFactor">block factor to apply to archive</param>
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66 public TarInputStream(Stream inputStream, int blockFactor)
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67 {
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68 this.inputStream = inputStream;
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69 tarBuffer = TarBuffer.CreateInputTarBuffer(inputStream, blockFactor);
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70 }
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71
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72 #endregion
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73
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74 /// <summary>
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75 /// Get/set flag indicating ownership of the underlying stream.
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76 /// When the flag is true <see cref="Close"></see> will close the underlying stream also.
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77 /// </summary>
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78 public bool IsStreamOwner
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79 {
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80 get { return tarBuffer.IsStreamOwner; }
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81 set { tarBuffer.IsStreamOwner = value; }
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82 }
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83
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84 #region Stream Overrides
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85 /// <summary>
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86 /// Gets a value indicating whether the current stream supports reading
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87 /// </summary>
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88 public override bool CanRead
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89 {
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90 get {
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91 return inputStream.CanRead;
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92 }
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93 }
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94
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95 /// <summary>
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96 /// Gets a value indicating whether the current stream supports seeking
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97 /// This property always returns false.
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98 /// </summary>
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99 public override bool CanSeek {
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100 get {
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101 return false;
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102 }
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103 }
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104
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105 /// <summary>
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106 /// Gets a value indicating if the stream supports writing.
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107 /// This property always returns false.
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108 /// </summary>
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109 public override bool CanWrite {
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110 get {
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111 return false;
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112 }
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113 }
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114
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115 /// <summary>
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116 /// The length in bytes of the stream
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117 /// </summary>
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118 public override long Length {
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119 get {
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120 return inputStream.Length;
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121 }
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122 }
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123
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124 /// <summary>
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125 /// Gets or sets the position within the stream.
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126 /// Setting the Position is not supported and throws a NotSupportedExceptionNotSupportedException
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127 /// </summary>
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128 /// <exception cref="NotSupportedException">Any attempt to set position</exception>
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129 public override long Position {
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130 get {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
131 return inputStream.Position;
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
132 }
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
133 set {
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parents:
diff changeset
134 throw new NotSupportedException("TarInputStream Seek not supported");
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
135 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
136 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
137
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
138 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
139 /// Flushes the baseInputStream
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
140 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
141 public override void Flush()
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
142 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
143 inputStream.Flush();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
144 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
145
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
146 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
147 /// Set the streams position. This operation is not supported and will throw a NotSupportedException
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
148 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
149 /// <param name="offset">The offset relative to the origin to seek to.</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
150 /// <param name="origin">The <see cref="SeekOrigin"/> to start seeking from.</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
151 /// <returns>The new position in the stream.</returns>
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parents:
diff changeset
152 /// <exception cref="NotSupportedException">Any access</exception>
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parents:
diff changeset
153 public override long Seek(long offset, SeekOrigin origin)
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parents:
diff changeset
154 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
155 throw new NotSupportedException("TarInputStream Seek not supported");
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parents:
diff changeset
156 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
157
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
158 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
159 /// Sets the length of the stream
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
160 /// This operation is not supported and will throw a NotSupportedException
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
161 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
162 /// <param name="value">The new stream length.</param>
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parents:
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163 /// <exception cref="NotSupportedException">Any access</exception>
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parents:
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164 public override void SetLength(long value)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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parents:
diff changeset
165 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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166 throw new NotSupportedException("TarInputStream SetLength not supported");
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parents:
diff changeset
167 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
168
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
169 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
170 /// Writes a block of bytes to this stream using data from a buffer.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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parents:
diff changeset
171 /// This operation is not supported and will throw a NotSupportedException
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
172 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
173 /// <param name="buffer">The buffer containing bytes to write.</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
174 /// <param name="offset">The offset in the buffer of the frist byte to write.</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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parents:
diff changeset
175 /// <param name="count">The number of bytes to write.</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
176 /// <exception cref="NotSupportedException">Any access</exception>
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
177 public override void Write(byte[] buffer, int offset, int count)
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parents:
diff changeset
178 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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parents:
diff changeset
179 throw new NotSupportedException("TarInputStream Write not supported");
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parents:
diff changeset
180 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
181
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
182 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
183 /// Writes a byte to the current position in the file stream.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
184 /// This operation is not supported and will throw a NotSupportedException
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
185 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
186 /// <param name="value">The byte value to write.</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
187 /// <exception cref="NotSupportedException">Any access</exception>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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parents:
diff changeset
188 public override void WriteByte(byte value)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
189 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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parents:
diff changeset
190 throw new NotSupportedException("TarInputStream WriteByte not supported");
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IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
191 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
192 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
193 /// Reads a byte from the current tar archive entry.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
194 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
195 /// <returns>A byte cast to an int; -1 if the at the end of the stream.</returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
196 public override int ReadByte()
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
197 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
198 byte[] oneByteBuffer = new byte[1];
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
199 int num = Read(oneByteBuffer, 0, 1);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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parents:
diff changeset
200 if (num <= 0)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
201 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
202 // return -1 to indicate that no byte was read.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
203 return -1;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
204 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
205 return oneByteBuffer[0];
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
206 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
207
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
208 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
209 /// Reads bytes from the current tar archive entry.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
210 ///
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
211 /// This method is aware of the boundaries of the current
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
212 /// entry in the archive and will deal with them appropriately
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
213 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
214 /// <param name="buffer">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
215 /// The buffer into which to place bytes read.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
216 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
217 /// <param name="offset">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
218 /// The offset at which to place bytes read.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
219 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
220 /// <param name="count">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
221 /// The number of bytes to read.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
222 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
223 /// <returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
224 /// The number of bytes read, or 0 at end of stream/EOF.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
225 /// </returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
226 public override int Read(byte[] buffer, int offset, int count)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
227 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
228 if ( buffer == null )
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
229 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
230 throw new ArgumentNullException("buffer");
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
231 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
232
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
233 int totalRead = 0;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
234
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
235 if (entryOffset >= entrySize)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
236 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
237 return 0;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
238 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
239
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
240 long numToRead = count;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
241
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
242 if ((numToRead + entryOffset) > entrySize)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
243 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
244 numToRead = entrySize - entryOffset;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
245 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
246
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
247 if (readBuffer != null)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
248 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
249 int sz = (numToRead > readBuffer.Length) ? readBuffer.Length : (int)numToRead;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
250
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
251 Array.Copy(readBuffer, 0, buffer, offset, sz);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
252
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
253 if (sz >= readBuffer.Length)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
254 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
255 readBuffer = null;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
256 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
257 else
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
258 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
259 int newLen = readBuffer.Length - sz;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
260 byte[] newBuf = new byte[newLen];
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
261 Array.Copy(readBuffer, sz, newBuf, 0, newLen);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
262 readBuffer = newBuf;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
263 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
264
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
265 totalRead += sz;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
266 numToRead -= sz;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
267 offset += sz;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
268 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
269
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
270 while (numToRead > 0)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
271 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
272 byte[] rec = tarBuffer.ReadBlock();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
273 if (rec == null)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
274 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
275 // Unexpected EOF!
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
276 throw new TarException("unexpected EOF with " + numToRead + " bytes unread");
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
277 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
278
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
279 int sz = (int)numToRead;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
280 int recLen = rec.Length;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
281
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
282 if (recLen > sz)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
283 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
284 Array.Copy(rec, 0, buffer, offset, sz);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
285 readBuffer = new byte[recLen - sz];
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
286 Array.Copy(rec, sz, readBuffer, 0, recLen - sz);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
287 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
288 else
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
289 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
290 sz = recLen;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
291 Array.Copy(rec, 0, buffer, offset, recLen);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
292 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
293
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
294 totalRead += sz;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
295 numToRead -= sz;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
296 offset += sz;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
297 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
298
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
299 entryOffset += totalRead;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
300
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
301 return totalRead;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
302 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
303
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
304 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
305 /// Closes this stream. Calls the TarBuffer's close() method.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
306 /// The underlying stream is closed by the TarBuffer.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
307 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
308 public override void Close()
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
309 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
310 tarBuffer.Close();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
311 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
312
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
313 #endregion
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
314
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
315 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
316 /// Set the entry factory for this instance.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
317 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
318 /// <param name="factory">The factory for creating new entries</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
319 public void SetEntryFactory(IEntryFactory factory)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
320 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
321 entryFactory = factory;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
322 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
323
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
324 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
325 /// Get the record size being used by this stream's TarBuffer.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
326 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
327 public int RecordSize
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
328 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
329 get { return tarBuffer.RecordSize; }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
330 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
331
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
332 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
333 /// Get the record size being used by this stream's TarBuffer.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
334 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
335 /// <returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
336 /// TarBuffer record size.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
337 /// </returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
338 [Obsolete("Use RecordSize property instead")]
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
339 public int GetRecordSize()
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
340 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
341 return tarBuffer.RecordSize;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
342 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
343
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
344 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
345 /// Get the available data that can be read from the current
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
346 /// entry in the archive. This does not indicate how much data
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
347 /// is left in the entire archive, only in the current entry.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
348 /// This value is determined from the entry's size header field
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
349 /// and the amount of data already read from the current entry.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
350 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
351 /// <returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
352 /// The number of available bytes for the current entry.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
353 /// </returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
354 public long Available {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
355 get {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
356 return entrySize - entryOffset;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
357 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
358 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
359
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
360 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
361 /// Skip bytes in the input buffer. This skips bytes in the
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
362 /// current entry's data, not the entire archive, and will
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
363 /// stop at the end of the current entry's data if the number
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
364 /// to skip extends beyond that point.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
365 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
366 /// <param name="skipCount">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
367 /// The number of bytes to skip.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
368 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
369 public void Skip(long skipCount)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
370 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
371 // TODO: REVIEW efficiency of TarInputStream.Skip
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
372 // This is horribly inefficient, but it ensures that we
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
373 // properly skip over bytes via the TarBuffer...
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
374 //
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
375 byte[] skipBuf = new byte[8 * 1024];
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
376
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
377 for (long num = skipCount; num > 0;) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
378 int toRead = num > skipBuf.Length ? skipBuf.Length : (int)num;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
379 int numRead = Read(skipBuf, 0, toRead);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
380
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
381 if (numRead == -1) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
382 break;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
383 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
384
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
385 num -= numRead;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
386 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
387 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
388
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
389 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
390 /// Return a value of true if marking is supported; false otherwise.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
391 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
392 /// <remarks>Currently marking is not supported, the return value is always false.</remarks>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
393 public bool IsMarkSupported {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
394 get {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
395 return false;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
396 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
397 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
398
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
399 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
400 /// Since we do not support marking just yet, we do nothing.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
401 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
402 /// <param name ="markLimit">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
403 /// The limit to mark.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
404 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
405 public void Mark(int markLimit)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
406 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
407 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
408
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
409 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
410 /// Since we do not support marking just yet, we do nothing.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
411 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
412 public void Reset()
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
413 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
414 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
415
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
416 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
417 /// Get the next entry in this tar archive. This will skip
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
418 /// over any remaining data in the current entry, if there
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
419 /// is one, and place the input stream at the header of the
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
420 /// next entry, and read the header and instantiate a new
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
421 /// TarEntry from the header bytes and return that entry.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
422 /// If there are no more entries in the archive, null will
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
423 /// be returned to indicate that the end of the archive has
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
424 /// been reached.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
425 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
426 /// <returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
427 /// The next TarEntry in the archive, or null.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
428 /// </returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
429 public TarEntry GetNextEntry()
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
430 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
431 if (hasHitEOF) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
432 return null;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
433 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
434
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
435 if (currentEntry != null) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
436 SkipToNextEntry();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
437 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
438
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
439 byte[] headerBuf = tarBuffer.ReadBlock();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
440
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
441 if (headerBuf == null) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
442 hasHitEOF = true;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
443 } else if (TarBuffer.IsEndOfArchiveBlock(headerBuf)) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
444 hasHitEOF = true;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
445 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
446
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
447 if (hasHitEOF) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
448 currentEntry = null;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
449 } else {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
450 try {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
451 TarHeader header = new TarHeader();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
452 header.ParseBuffer(headerBuf);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
453 if ( !header.IsChecksumValid )
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
454 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
455 throw new TarException("Header checksum is invalid");
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
456 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
457 this.entryOffset = 0;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
458 this.entrySize = header.Size;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
459
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
460 StringBuilder longName = null;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
461
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
462 if (header.TypeFlag == TarHeader.LF_GNU_LONGNAME) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
463
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
464 byte[] nameBuffer = new byte[TarBuffer.BlockSize];
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
465 long numToRead = this.entrySize;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
466
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
467 longName = new StringBuilder();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
468
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
469 while (numToRead > 0) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
470 int numRead = this.Read(nameBuffer, 0, (numToRead > nameBuffer.Length ? nameBuffer.Length : (int)numToRead));
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
471
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
472 if (numRead == -1) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
473 throw new InvalidHeaderException("Failed to read long name entry");
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
474 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
475
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
476 longName.Append(TarHeader.ParseName(nameBuffer, 0, numRead).ToString());
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
477 numToRead -= numRead;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
478 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
479
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
480 SkipToNextEntry();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
481 headerBuf = this.tarBuffer.ReadBlock();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
482 } else if (header.TypeFlag == TarHeader.LF_GHDR) { // POSIX global extended header
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
483 // Ignore things we dont understand completely for now
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
484 SkipToNextEntry();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
485 headerBuf = this.tarBuffer.ReadBlock();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
486 } else if (header.TypeFlag == TarHeader.LF_XHDR) { // POSIX extended header
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
487 // Ignore things we dont understand completely for now
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
488 SkipToNextEntry();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
489 headerBuf = this.tarBuffer.ReadBlock();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
490 } else if (header.TypeFlag == TarHeader.LF_GNU_VOLHDR) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
491 // TODO: could show volume name when verbose
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
492 SkipToNextEntry();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
493 headerBuf = this.tarBuffer.ReadBlock();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
494 } else if (header.TypeFlag != TarHeader.LF_NORMAL &&
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
495 header.TypeFlag != TarHeader.LF_OLDNORM &&
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
496 header.TypeFlag != TarHeader.LF_DIR) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
497 // Ignore things we dont understand completely for now
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
498 SkipToNextEntry();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
499 headerBuf = tarBuffer.ReadBlock();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
500 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
501
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
502 if (entryFactory == null) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
503 currentEntry = new TarEntry(headerBuf);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
504 if (longName != null) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
505 currentEntry.Name = longName.ToString();
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
506 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
507 } else {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
508 currentEntry = entryFactory.CreateEntry(headerBuf);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
509 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
510
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
511 // Magic was checked here for 'ustar' but there are multiple valid possibilities
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
512 // so this is not done anymore.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
513
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
514 entryOffset = 0;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
515
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
516 // TODO: Review How do we resolve this discrepancy?!
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
517 entrySize = this.currentEntry.Size;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
518 } catch (InvalidHeaderException ex) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
519 entrySize = 0;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
520 entryOffset = 0;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
521 currentEntry = null;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
522 string errorText = string.Format("Bad header in record {0} block {1} {2}",
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
523 tarBuffer.CurrentRecord, tarBuffer.CurrentBlock, ex.Message);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
524 throw new InvalidHeaderException(errorText);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
525 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
526 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
527 return currentEntry;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
528 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
529
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
530 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
531 /// Copies the contents of the current tar archive entry directly into
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
532 /// an output stream.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
533 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
534 /// <param name="outputStream">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
535 /// The OutputStream into which to write the entry's data.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
536 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
537 public void CopyEntryContents(Stream outputStream)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
538 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
539 byte[] tempBuffer = new byte[32 * 1024];
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
540
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
541 while (true) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
542 int numRead = Read(tempBuffer, 0, tempBuffer.Length);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
543 if (numRead <= 0) {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
544 break;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
545 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
546 outputStream.Write(tempBuffer, 0, numRead);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
547 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
548 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
549
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
550 void SkipToNextEntry()
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
551 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
552 long numToSkip = entrySize - entryOffset;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
553
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
554 if (numToSkip > 0)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
555 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
556 Skip(numToSkip);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
557 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
558
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
559 readBuffer = null;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
560 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
561
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
562 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
563 /// This interface is provided, along with the method <see cref="SetEntryFactory"/>, to allow
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
564 /// the programmer to have their own <see cref="TarEntry"/> subclass instantiated for the
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
565 /// entries return from <see cref="GetNextEntry"/>.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
566 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
567 public interface IEntryFactory
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
568 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
569 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
570 /// Create an entry based on name alone
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
571 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
572 /// <param name="name">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
573 /// Name of the new EntryPointNotFoundException to create
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
574 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
575 /// <returns>created TarEntry or descendant class</returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
576 TarEntry CreateEntry(string name);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
577
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
578 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
579 /// Create an instance based on an actual file
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
580 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
581 /// <param name="fileName">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
582 /// Name of file to represent in the entry
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
583 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
584 /// <returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
585 /// Created TarEntry or descendant class
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
586 /// </returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
587 TarEntry CreateEntryFromFile(string fileName);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
588
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
589 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
590 /// Create a tar entry based on the header information passed
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
591 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
592 /// <param name="headerBuffer">
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
593 /// Buffer containing header information to create an an entry from.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
594 /// </param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
595 /// <returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
596 /// Created TarEntry or descendant class
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
597 /// </returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
598 TarEntry CreateEntry(byte[] headerBuffer);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
599 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
600
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
601 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
602 /// Standard entry factory class creating instances of the class TarEntry
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
603 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
604 public class EntryFactoryAdapter : IEntryFactory
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
605 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
606 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
607 /// Create a <see cref="TarEntry"/> based on named
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
608 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
609 /// <param name="name">The name to use for the entry</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
610 /// <returns>A new <see cref="TarEntry"/></returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
611 public TarEntry CreateEntry(string name)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
612 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
613 return TarEntry.CreateTarEntry(name);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
614 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
615
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
616 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
617 /// Create a tar entry with details obtained from <paramref name="fileName">file</paramref>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
618 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
619 /// <param name="fileName">The name of the file to retrieve details from.</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
620 /// <returns>A new <see cref="TarEntry"/></returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
621 public TarEntry CreateEntryFromFile(string fileName)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
622 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
623 return TarEntry.CreateEntryFromFile(fileName);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
624 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
625
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
626 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
627 /// Create an entry based on details in <paramref name="headerBuffer">header</paramref>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
628 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
629 /// <param name="headerBuffer">The buffer containing entry details.</param>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
630 /// <returns>A new <see cref="TarEntry"/></returns>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
631 public TarEntry CreateEntry(byte[] headerBuffer)
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
632 {
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
633 return new TarEntry(headerBuffer);
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
634 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
635 }
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
636
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
637 #region Instance Fields
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
638 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
639 /// Flag set when last block has been read
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
640 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
641 protected bool hasHitEOF;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
642
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
643 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
644 /// Size of this entry as recorded in header
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
645 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
646 protected long entrySize;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
647
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
648 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
649 /// Number of bytes read for this entry so far
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
650 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
651 protected long entryOffset;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
652
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
653 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
654 /// Buffer used with calls to <code>Read()</code>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
655 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
656 protected byte[] readBuffer;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
657
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
658 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
659 /// Working buffer
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
660 /// </summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
661 protected TarBuffer tarBuffer;
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
662
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
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663 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
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664 /// Current entry being read
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
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665 /// </summary>
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666 TarEntry currentEntry;
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IBBoard <dev@ibboard.co.uk>
parents:
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667
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IBBoard <dev@ibboard.co.uk>
parents:
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668 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
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669 /// Factory used to create TarEntry or descendant class instance
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670 /// </summary>
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IBBoard <dev@ibboard.co.uk>
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671 protected IEntryFactory entryFactory;
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IBBoard <dev@ibboard.co.uk>
parents:
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672
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IBBoard <dev@ibboard.co.uk>
parents:
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673 /// <summary>
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
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674 /// Stream used as the source of input data.
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IBBoard <dev@ibboard.co.uk>
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675 /// </summary>
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IBBoard <dev@ibboard.co.uk>
parents:
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676 readonly Stream inputStream;
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IBBoard <dev@ibboard.co.uk>
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677 #endregion
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parents:
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678 }
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IBBoard <dev@ibboard.co.uk>
parents:
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679 }
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IBBoard <dev@ibboard.co.uk>
parents:
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680
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IBBoard <dev@ibboard.co.uk>
parents:
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681 /* The original Java file had this header:
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IBBoard <dev@ibboard.co.uk>
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682 ** Authored by Timothy Gerard Endres
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IBBoard <dev@ibboard.co.uk>
parents:
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683 ** <mailto:time@gjt.org> <http://www.trustice.com>
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IBBoard <dev@ibboard.co.uk>
parents:
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684 **
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
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685 ** This work has been placed into the public domain.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
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686 ** You may use this work in any way and for any purpose you wish.
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
687 **
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
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688 ** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
689 ** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
690 ** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
691 ** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
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692 ** REDISTRIBUTION OF THIS SOFTWARE.
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IBBoard <dev@ibboard.co.uk>
parents:
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693 **
94e25b786321 Re #311: can't read ZIP file packed by Linux app Archive Manager/File Roller
IBBoard <dev@ibboard.co.uk>
parents:
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694 */
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IBBoard <dev@ibboard.co.uk>
parents:
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695