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[DvdSubtitleSystem] - Optimize parsing.

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This commit is contained in:
Ivandro Ismael 2017-07-18 04:16:05 +01:00
parent fdd517835b
commit 31e422fb56
1 changed files with 18 additions and 25 deletions
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43
libse/SubtitleFormats/DvdSubtitleSystem.cs
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@ -9,20 +9,11 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
private static readonly Regex RegexTimeCodes = new Regex(@"^\d\d:\d\d:\d\d:\d\d \d\d:\d\d:\d\d:\d\d ", RegexOptions.Compiled);
public override string Extension
{
get { return ".txt"; }
}
public override string Extension => ".txt";
public override string Name
{
get { return "DVD Subtitle System"; }
}
public override string Name => "DVD Subtitle System";
public override bool IsTimeBased
{
get { return true; }
}
public override bool IsTimeBased => true;
public override bool IsMine(List<string> lines, string fileName)
{
@ -64,25 +55,27 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
_errorCount = 0;
foreach (string line in lines)
{
if (RegexTimeCodes.IsMatch(line))
// line must contain atleast 24 characters (time-code)...
if (line.Length < 24)
{
string temp = line.Substring(0, RegexTimeCodes.Match(line).Length);
_errorCount += 10;
continue;
}
Match match = RegexTimeCodes.Match(line);
if (match.Success)
{
string temp = line.Substring(0, match.Length);
string start = temp.Substring(0, 11);
string end = temp.Substring(12, 11);
string[] startParts = start.Split(SplitCharColon, StringSplitOptions.RemoveEmptyEntries);
string[] endParts = end.Split(SplitCharColon, StringSplitOptions.RemoveEmptyEntries);
if (startParts.Length == 4 && endParts.Length == 4)
{
string text = line.Remove(0, RegexTimeCodes.Match(line).Length - 1).Trim();
text = text.Replace("//", Environment.NewLine);
var p = new Paragraph(DecodeTimeCodeFramesFourParts(startParts), DecodeTimeCodeFramesFourParts(endParts), text);
subtitle.Paragraphs.Add(p);
}
}
else
{
_errorCount += 10;
string text = line.Substring(match.Length).Trim();
text = text.Replace("//", Environment.NewLine);
var p = new Paragraph(DecodeTimeCodeFramesFourParts(startParts), DecodeTimeCodeFramesFourParts(endParts), text);
subtitle.Paragraphs.Add(p);
}
}