SubtitleEdit/libse/SubtitleFormats/Utx.cs
2019-01-19 14:40:37 +01:00

86 lines
3.1 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
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);
public override string Extension => ".utx";
public override string Name => "UTX";
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 = { ':', '.' };
for (int i = 0; i < lines.Count; i++)
{
string line = lines[i].Trim();
if (line.StartsWith('#') && RegexTimeCode.IsMatch(line))
{
var timeParts = line.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
try
{
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++;
}
}
else if (line.Length > 0)
{
sb.AppendLine(line);
if (sb.Length > 5000)
{
return;
}
}
else
{
sb.Clear();
}
}
subtitle.Renumber();
}
private static string EncodeTimeCode(TimeCode time)
{
//0:03:02.15
return $"{time.Hours}:{time.Minutes:00}:{time.Seconds:00}.{MillisecondsToFramesMaxFrameRate(time.Milliseconds):00}";
}
}
}