SubtitleEdit/libse/SubtitleFormats/UnknownSubtitle25.cs

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4.8 KiB
C#
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2016-02-08 21:11:03 +01:00
using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class UnknownSubtitle25 : SubtitleFormat
{
//79.29 1.63
private static readonly Regex RegexTimeCode1 = new Regex(@"^\d+.[0-9]{1,2} \d+.[0-9]{1,2}$", RegexOptions.Compiled);
private static readonly Regex RegexTimeCode2 = new Regex(@"^\d+ \d+.[0-9]{1,2}$", RegexOptions.Compiled);
private static readonly Regex RegexTimeCode3 = new Regex(@"^\d+.[0-9]{1,2} \d+$", RegexOptions.Compiled);
public override string Extension
{
get { return ".sub"; }
}
public override string Name
{
get { return "Unknown 25"; }
}
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();
sb.AppendLine(@"TITLE=
FILE=
AUTHOR=
TYPE=VIDEO
FORMAT=TIME
NOTE=
");
Paragraph last = null;
foreach (Paragraph p in subtitle.Paragraphs)
{
sb.AppendLine(string.Format("{0} {1}\r\n{2}\r\n", MakeTimeCode(p.StartTime, last), string.Format("{0:0.0#}", (p.Duration.Seconds + p.Duration.Milliseconds / TimeCode.BaseUnit)), p.Text));
last = p;
}
return sb.ToString().Trim().Replace(Environment.NewLine, "\n");
}
private static string MakeTimeCode(TimeCode timeCode, Paragraph last)
{
double start = 0;
if (last != null)
start = last.EndTime.TotalSeconds;
return string.Format("{0:0.0#}", (timeCode.TotalSeconds - start));
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
Paragraph p = null;
var sb = new StringBuilder();
foreach (string line in lines)
{
string s = line.TrimEnd();
if (RegexTimeCode1.IsMatch(s) || RegexTimeCode2.IsMatch(s) || RegexTimeCode3.IsMatch(s))
{
try
{
if (p != null)
{
p.Text = sb.ToString().Trim();
subtitle.Paragraphs.Add(p);
}
sb = new StringBuilder();
string[] arr = s.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (arr.Length == 2)
{
double secondsSinceLast = double.Parse(arr[0]);
double secondsDuration = double.Parse(arr[1]);
if (subtitle.Paragraphs.Count > 0)
{
secondsSinceLast += subtitle.Paragraphs[subtitle.Paragraphs.Count - 1].EndTime.TotalSeconds;
}
p = new Paragraph(string.Empty, (int)(Math.Round(secondsSinceLast * TimeCode.BaseUnit)), (int)(Math.Round((secondsSinceLast + secondsDuration) * TimeCode.BaseUnit)));
}
}
catch
{
_errorCount++;
p = null;
}
}
else if (p != null && s.Length > 0)
{
sb.AppendLine(s.Trim());
}
else if (!string.IsNullOrWhiteSpace(s))
{
if (subtitle.Paragraphs.Count == 0 && (s.StartsWith("TITLE=", StringComparison.Ordinal) || s.StartsWith("TITLE=", StringComparison.Ordinal) || s.StartsWith("FILE=", StringComparison.Ordinal) || s.StartsWith("AUTHOR=", StringComparison.Ordinal) ||
s.StartsWith("TYPE=VIDEO") || s.StartsWith("FORMAT=", StringComparison.Ordinal) || s.StartsWith("NOTE=", StringComparison.Ordinal)))
{
}
else
{
_errorCount++;
}
}
}
if (p != null)
{
p.Text = sb.ToString().Trim();
subtitle.Paragraphs.Add(p);
}
subtitle.Renumber();
}
}
}