wasSharp – Blame information for rev 42
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7 | office | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |||
7 | using System.Collections.Generic; |
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8 | using System.IO; |
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24 | office | 9 | using System.IO.Compression; |
7 | office | 10 | using System.Linq; |
11 | using System.Text; |
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24 | office | 12 | using System.Threading.Tasks; |
7 | office | 13 | |
14 | namespace wasSharp |
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15 | { |
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16 | public static class IO |
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17 | { |
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18 | /// <summary> |
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19 | /// Strip characters that are incompatible with file names. |
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20 | /// </summary> |
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21 | /// <param name="fileName">the name of the file</param> |
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22 | /// <returns>a clean string</returns> |
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23 | private static string CleanFileName(string fileName) |
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24 | { |
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25 | return Path.GetInvalidFileNameChars() |
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26 | .Aggregate(fileName, (current, c) => current.Replace(c.ToString(), string.Empty)); |
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27 | } |
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28 | |||
25 | office | 29 | /////////////////////////////////////////////////////////////////////////// |
30 | // Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 // |
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31 | /////////////////////////////////////////////////////////////////////////// |
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32 | /// <summary> |
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33 | /// Compress a stream using Deflate compression. |
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34 | /// </summary> |
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35 | /// <param name="uncompressedSourceStream">the stream to compress</param> |
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36 | /// <param name="compressedDestinationStream">the stream to write the compressed stream to</param> |
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37 | /// <param name="leaveOpen">whether to leave the compression stream open</param> |
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38 | /// <returns>an awaitable Task</returns> |
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24 | office | 39 | public static async Task DeflateCompress(this Stream uncompressedSourceStream, |
40 | Stream compressedDestinationStream, bool leaveOpen = false) |
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41 | { |
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42 | using ( |
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43 | var compressionStream = new DeflateStream(compressedDestinationStream, CompressionMode.Compress, |
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44 | leaveOpen)) |
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45 | { |
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46 | await uncompressedSourceStream.CopyToAsync(compressionStream); |
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47 | } |
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48 | } |
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49 | |||
25 | office | 50 | /////////////////////////////////////////////////////////////////////////// |
51 | // Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 // |
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52 | /////////////////////////////////////////////////////////////////////////// |
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53 | /// <summary> |
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54 | /// Decompress a Deflate-compressed stream. |
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55 | /// </summary> |
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56 | /// <param name="compressedSourceStream">the compressed stream to decompress</param> |
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57 | /// <param name="uncompressedDestinationStream">the stream to write the decompressed stream to</param> |
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58 | /// <param name="leaveOpen">whether to leave the stream open after decompression</param> |
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59 | /// <returns>an awaitable Task</returns> |
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24 | office | 60 | public static async Task DeflateDecompress(this Stream compressedSourceStream, |
61 | Stream uncompressedDestinationStream, bool leaveOpen = false) |
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62 | { |
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63 | using ( |
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64 | var decompressionStream = new DeflateStream(compressedSourceStream, CompressionMode.Decompress, |
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65 | leaveOpen)) |
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66 | { |
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67 | await decompressionStream.CopyToAsync(uncompressedDestinationStream); |
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68 | } |
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69 | } |
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70 | |||
25 | office | 71 | /////////////////////////////////////////////////////////////////////////// |
72 | // Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 // |
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73 | /////////////////////////////////////////////////////////////////////////// |
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74 | /// <summary> |
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75 | /// Compress a stream using GZip compression. |
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76 | /// </summary> |
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77 | /// <param name="uncompressedSourceStream">the stream to compress</param> |
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78 | /// <param name="compressedDestinationStream">the stream to write the compressed stream to</param> |
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79 | /// <param name="leaveOpen">whether to leave the stream open after compressing</param> |
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80 | /// <returns>an awaitable Task</returns> |
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24 | office | 81 | public static async Task GZipCompress(this Stream uncompressedSourceStream, Stream compressedDestinationStream, |
82 | bool leaveOpen = false) |
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83 | { |
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84 | using ( |
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85 | var compressionStream = new GZipStream(compressedDestinationStream, CompressionMode.Compress, leaveOpen) |
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86 | ) |
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87 | { |
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88 | await uncompressedSourceStream.CopyToAsync(compressionStream); |
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89 | } |
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90 | } |
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91 | |||
25 | office | 92 | /////////////////////////////////////////////////////////////////////////// |
93 | // Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 // |
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94 | /////////////////////////////////////////////////////////////////////////// |
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95 | /// <summary> |
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96 | /// Decompress a GZiped stream. |
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97 | /// </summary> |
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98 | /// <param name="compressedSourceStream">the stream to decompress</param> |
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99 | /// <param name="uncompressedDestinationStream">the stream to write the decompressed stream to</param> |
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100 | /// <param name="leaveOpen">whether the decompression stream should be left open</param> |
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101 | /// <returns>an awaitable Task</returns> |
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24 | office | 102 | public static async Task GZipDecompress(this Stream compressedSourceStream, Stream uncompressedDestinationStream, |
103 | bool leaveOpen = false) |
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104 | { |
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105 | using ( |
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106 | var decompressionStream = new GZipStream(compressedSourceStream, CompressionMode.Decompress, leaveOpen)) |
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107 | { |
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108 | await decompressionStream.CopyToAsync(uncompressedDestinationStream); |
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109 | } |
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110 | } |
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111 | |||
7 | office | 112 | /////////////////////////////////////////////////////////////////////////// |
113 | // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // |
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114 | /////////////////////////////////////////////////////////////////////////// |
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115 | /// <summary> |
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116 | /// Splits a path using a separator and an escape character. |
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117 | /// </summary> |
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118 | /// <param name="path">the path to split</param> |
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119 | /// <param name="separator">the separator character</param> |
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120 | /// <param name="escape">the escape character</param> |
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42 | office | 121 | /// <param name="includeRootSeparator">true if the initial separator should be included</param> |
7 | office | 122 | /// <returns>path parts</returns> |
30 | office | 123 | public static IEnumerable<string> PathSplit(this string path, char separator, char? escape = null, bool includeRootSeparator = true) |
7 | office | 124 | { |
10 | office | 125 | var s = new Stack<char>(); |
126 | var p = new StringBuilder(); |
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127 | foreach (var c in path) |
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7 | office | 128 | { |
29 | office | 129 | if (c.Equals(escape)) |
7 | office | 130 | { |
131 | s.Push(c); |
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132 | continue; |
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133 | } |
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29 | office | 134 | if (c.Equals(separator)) |
7 | office | 135 | { |
136 | if (s.Count.Equals(0) || !s.Peek().Equals(escape)) |
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137 | { |
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30 | office | 138 | if (p.Length.Equals(0) && includeRootSeparator) |
28 | office | 139 | { |
140 | p.Append(c); |
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141 | continue; |
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142 | } |
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7 | office | 143 | yield return p.ToString(); |
144 | p = new StringBuilder(); |
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145 | continue; |
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146 | } |
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147 | s.Pop(); |
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148 | while (!s.Count.Equals(0)) |
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149 | { |
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150 | p.Append(s.Pop()); |
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151 | } |
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152 | p.Append(c); |
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153 | continue; |
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154 | } |
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155 | p.Append(c); |
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156 | } |
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157 | while (!s.Count.Equals(0)) |
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158 | { |
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159 | p.Append(s.Pop()); |
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160 | } |
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161 | yield return p.ToString(); |
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162 | } |
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163 | } |
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27 | office | 164 | } |