SubtitleEdit/libse/SubtitleFormats/DigiBeta.cs
2017-01-20 22:25:06 +01:00

89 lines
3.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class DigiBeta : SubtitleFormat
{
private static readonly Regex RegexTimeCode = new Regex(@"^\d\d \d\d \d\d \d\d\t\d\d \d\d \d\d \d\d\t", RegexOptions.Compiled);
public override string Extension
{
get { return ".txt"; }
}
public override string Name
{
get { return "DigiBeta"; }
}
public override bool IsTimeBased
{
get { return true; }
}
public override bool IsMine(List<string> lines, string fileName)
{
Subtitle subtitle = new Subtitle();
LoadSubtitle(subtitle, lines, fileName);
return subtitle.Paragraphs.Count > _errorCount;
}
public override string ToText(Subtitle subtitle, string title)
{
//10 01 37 23 10 01 42 01 Makkhi (newline is TAB)
const string paragraphWriteFormat = "{0}\t{1}\t{2}";
var sb = new StringBuilder();
foreach (Paragraph p in subtitle.Paragraphs)
{
sb.AppendLine(string.Format(paragraphWriteFormat, EncodeTimeCode(p.StartTime), EncodeTimeCode(p.EndTime), p.Text.Replace(Environment.NewLine, "\t")));
}
return sb.ToString().Trim();
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
var paragraph = new Paragraph();
_errorCount = 0;
subtitle.Paragraphs.Clear();
foreach (string line in lines)
{
if (RegexTimeCode.IsMatch(line) && line.Length > 24)
{
string[] parts = line.Substring(0, 11).Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 4)
{
try
{
var start = DecodeTimeCodeFramesFourParts(parts);
parts = line.Substring(12, 11).Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var end = DecodeTimeCodeFramesFourParts(parts);
paragraph = new Paragraph();
paragraph.StartTime = start;
paragraph.EndTime = end;
paragraph.Text = line.Substring(24).Trim().Replace("\t", Environment.NewLine);
subtitle.Paragraphs.Add(paragraph);
}
catch
{
_errorCount++;
}
}
}
}
subtitle.Renumber();
}
private static string EncodeTimeCode(TimeCode time)
{
return string.Format("{0:00} {1:00} {2:00} {3:00}", time.Hours, time.Minutes, time.Seconds, MillisecondsToFramesMaxFrameRate(time.Milliseconds));
}
}
}