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44 lines
1.2 KiB
C#
44 lines
1.2 KiB
C#
using System.Text;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Text;
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namespace Emby.Common.Implementations.TextEncoding
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{
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public class TextEncoding : ITextEncoding
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{
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private readonly IFileSystem _fileSystem;
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public TextEncoding(IFileSystem fileSystem)
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{
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_fileSystem = fileSystem;
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}
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public Encoding GetASCIIEncoding()
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{
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return Encoding.ASCII;
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}
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public Encoding GetFileEncoding(string srcFile)
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{
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// *** Detect byte order mark if any - otherwise assume default
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var buffer = new byte[5];
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using (var file = _fileSystem.OpenRead(srcFile))
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{
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file.Read(buffer, 0, 5);
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}
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if (buffer[0] == 0xef && buffer[1] == 0xbb && buffer[2] == 0xbf)
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return Encoding.UTF8;
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if (buffer[0] == 0xfe && buffer[1] == 0xff)
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return Encoding.Unicode;
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if (buffer[0] == 0 && buffer[1] == 0 && buffer[2] == 0xfe && buffer[3] == 0xff)
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return Encoding.UTF32;
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if (buffer[0] == 0x2b && buffer[1] == 0x2f && buffer[2] == 0x76)
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return Encoding.UTF7;
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return null;
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}
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}
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}
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