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Code Issues Projects Releases Wiki Activity

[cheetahcaption] - better lookup for latin chars

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This commit is contained in:
Ivandro Ismael 2017-07-22 01:15:23 +01:00
parent 884efb13a9
commit 20688b6dff
1 changed files with 59 additions and 66 deletions
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125
libse/SubtitleFormats/CheetahCaption.cs
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@ -7,70 +7,63 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class CheetahCaption : SubtitleFormat
{
private static readonly List<int> LatinCodes = new List<int> {
0x81, // ♪
0x82, // á
0x83, // é
0x84, // í
0x85, // ó
0x86, // ú
0x87, // â
0x88, // ê
0x89, // î
0x8A, // ô
0x8B, // û
0x8C, // à
0x8D, // è
0x8E, // Ñ
0x8F, // ñ
0x90, // ç
0x91, // ¢
0x92, // £
0x93, // ¿
0x94, // ½
0x95, // ®
};
private static readonly IList<char> LatinLetters = new List<char> {
'♪',
'á',
'é',
'í',
'ó',
'ú',
'â',
'ê',
'î',
'ô',
'û',
'à',
'è',
'Ñ',
'ñ',
'ç',
'¢',
'£',
'¿',
'½',
'®',
private static readonly Dictionary<byte, char> _dicCodeLatin = new Dictionary<byte, char>
{
[0x81] = '♪',
[0x82] = 'á',
[0x83] = 'é',
[0x84] = 'í',
[0x85] = 'ó',
[0x86] = 'ú',
[0x87] = 'â',
[0x88] = 'ê',
[0x89] = 'î',
[0x8A] = 'ô',
[0x8B] = 'û',
[0x8C] = 'à',
[0x8D] = 'è',
[0x8E] = 'Ñ',
[0x8F] = 'ñ',
[0x90] = 'ç',
[0x91] = '¢',
[0x92] = '£',
[0x93] = '¿',
[0x94] = '½',
[0x95] = '®',
};
public override string Extension
private static readonly Dictionary<char, byte> _dicLatinCode = new Dictionary<char, byte>
{
get { return ".cap"; }
}
['♪'] = 0x81,
['á'] = 0x82,
['é'] = 0x83,
['í'] = 0x84,
['ó'] = 0x85,
['ú'] = 0x86,
['â'] = 0x87,
['ê'] = 0x88,
['î'] = 0x89,
['ô'] = 0x8A,
['û'] = 0x8B,
['à'] = 0x8C,
['è'] = 0x8D,
['Ñ'] = 0x8E,
['ñ'] = 0x8F,
['ç'] = 0x90,
['¢'] = 0x91,
['£'] = 0x92,
['¿'] = 0x93,
['½'] = 0x94,
['®'] = 0x95,
};
public override string Extension => ".cap";
public const string NameOfFormat = "Cheetah Caption";
public override string Name
{
get { return NameOfFormat; }
}
public override string Name => NameOfFormat;
public override bool IsTimeBased
{
get { return true; }
}
public override bool IsTimeBased => true;
public static void Save(string fileName, Subtitle subtitle)
{
@ -177,11 +170,14 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
}
else
{
int idx = LatinLetters.IndexOf(text[j]);
if (idx >= 0)
textBytes.Add((byte)LatinCodes[idx]);
if (_dicLatinCode.ContainsKey(text[j]))
{
textBytes.Add(_dicLatinCode[text[j]]);
}
else
{
textBytes.Add(encoding.GetBytes(new[] { text[j] })[0]);
}
j++;
}
@ -260,10 +256,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
return false;
}
public override string ToText(Subtitle subtitle, string title)
{
return "Not supported!";
}
public override string ToText(Subtitle subtitle, string title) => "Not supported!";
private static TimeCode DecodeTimestamp(byte[] buffer, int index)
{
@ -317,9 +310,9 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
if (!sb.ToString().EndsWith(Environment.NewLine))
sb.AppendLine();
}
else if (LatinCodes.Contains(buffer[index]))
else if (_dicCodeLatin.ContainsKey(buffer[index]))
{
sb.Append(LatinLetters[LatinCodes.IndexOf(buffer[index])]);
sb.Append(_dicCodeLatin[(buffer[index])]);
}
else if (buffer[index] >= 0xC0 || buffer[index] <= 0x14) // codes/styles?
{