SubtitleEdit/libse/SubtitleFormats/UnknownSubtitle40.cs
2016-06-07 06:31:03 +02:00

102 lines
3.5 KiB
C#
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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class UnknownSubtitle40 : SubtitleFormat
{
// 0:01 0:03
private static readonly Regex RegexTimeCodes = new Regex(@"^\d+:\d\d \d+:\d\d$", RegexOptions.Compiled);
public override string Extension
{
get { return ".txt"; }
}
public override string Name
{
get { return "Unknown 40"; }
}
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)
{
var sb = new StringBuilder();
foreach (Paragraph p in subtitle.Paragraphs)
{
sb.AppendLine(string.Format("{0} {1}{2}{3}", EncodeTimeCode(p.StartTime), EncodeTimeCode(p.EndTime), Environment.NewLine, HtmlUtil.RemoveHtmlTags(p.Text)));
}
return sb.ToString();
}
private static string EncodeTimeCode(TimeCode time)
{
//00:50
int seconds = time.Seconds;
if (time.Milliseconds >= 500)
seconds++;
return string.Format("{0}:{1:00}", time.Hours * 60 + time.Minutes, time.Seconds);
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
Paragraph p = null;
subtitle.Paragraphs.Clear();
_errorCount = 0;
foreach (string line in lines)
{
if (RegexTimeCodes.IsMatch(line))
{
string[] temp = line.Split('');
string start = temp[0].Trim();
string end = temp[1].Trim();
string[] startParts = start.Split(SplitCharColon, StringSplitOptions.RemoveEmptyEntries);
string[] endParts = end.Split(SplitCharColon, StringSplitOptions.RemoveEmptyEntries);
if (startParts.Length == 2 && endParts.Length == 2)
{
p = new Paragraph(DecodeTimeCode(startParts), DecodeTimeCode(endParts), string.Empty);
subtitle.Paragraphs.Add(p);
}
}
else if (string.IsNullOrWhiteSpace(line))
{
// skip these lines
}
else if (p != null)
{
if (string.IsNullOrEmpty(p.Text))
p.Text = line;
else
p.Text = p.Text.TrimEnd() + Environment.NewLine + line;
if (p.Text.Length > 500)
return;
}
}
subtitle.Renumber();
}
private static TimeCode DecodeTimeCode(string[] parts)
{
//00:00:07:12
var minutes = int.Parse(parts[0]);
var seconds = int.Parse(parts[1]);
return new TimeCode(0, minutes, seconds, 0);
}
}
}