SubtitleEdit/libse/SubtitleFormats/Utx.cs

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C#
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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
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namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class Utx : SubtitleFormat
{
// #0:03:03.23,0:03:08.05
private static readonly Regex RegexTimeCode = new Regex(@"^#\d\d?:\d\d:\d\d\.\d\d,\d:\d\d:\d\d\.\d\d$", RegexOptions.Compiled);
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public override string Extension
{
get { return ".utx"; }
}
public override string Name
{
get { return "UTX"; }
}
public override bool IsTimeBased
{
get { return true; }
}
public override bool IsMine(List<string> lines, string fileName)
{
var subtitle = new Subtitle();
LoadSubtitle(subtitle, lines, fileName);
return subtitle.Paragraphs.Count > _errorCount;
}
public override string ToText(Subtitle subtitle, string title)
{
//I'd forgotten.
//#0:02:58.21,0:03:00.16
//Were you somewhere far away?
//- Yes, four years in Switzerland.
//#0:03:02.15,0:03:06.14
const string paragraphWriteFormat = "{0}{1}#{2},{3}{1}";
var sb = new StringBuilder();
foreach (Paragraph p in subtitle.Paragraphs)
{
sb.AppendLine(string.Format(paragraphWriteFormat, p.Text, Environment.NewLine, EncodeTimeCode(p.StartTime), EncodeTimeCode(p.EndTime)));
}
return sb.ToString().Trim();
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
subtitle.Paragraphs.Clear();
var sb = new StringBuilder();
char[] splitChars = { '#', ',' };
char[] splitChars2 = { ':', '.' };
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for (int i = 0; i < lines.Count; i++)
{
string line = lines[i].Trim();
if (line.StartsWith('#') && RegexTimeCode.IsMatch(line))
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{
var timeParts = line.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
try
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{
string[] startParts = timeParts[0].Split(splitChars2, StringSplitOptions.RemoveEmptyEntries);
string[] endParts = timeParts[1].Split(splitChars2, StringSplitOptions.RemoveEmptyEntries);
TimeCode start = DecodeTimeCodeFramesFourParts(startParts);
TimeCode end = DecodeTimeCodeFramesFourParts(endParts);
subtitle.Paragraphs.Add(new Paragraph(start, end, sb.ToString().Trim()));
}
catch
{
_errorCount++;
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}
}
else if (line.Length > 0)
{
sb.AppendLine(line);
if (sb.Length > 5000)
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return;
}
else
{
sb.Clear();
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}
}
subtitle.Renumber();
}
private static string EncodeTimeCode(TimeCode time)
{
//0:03:02.15
return string.Format("{0}:{1:00}:{2:00}.{3:00}", time.Hours, time.Minutes, time.Seconds, MillisecondsToFramesMaxFrameRate(time.Milliseconds));
}
}
}