SubtitleEdit/libse/SubtitleFormats/UnknownSubtitle56.cs

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4.5 KiB
C#
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2016-02-06 07:52:53 +01:00
using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class UnknownSubtitle56 : SubtitleFormat
{
//0001 01:00:37:22 01:00:39:11
private static readonly Regex RegexTimeCodes1 = new Regex(@"^\d\d\d\d\t\d\d:\d\d:\d\d:\d\d\t\d\d:\d\d:\d\d:\d\d$", RegexOptions.Compiled);
public override string Extension
{
get { return ".txt"; }
}
public override string Name
{
get { return "Unknown 56"; }
}
public override bool IsTimeBased
{
get { return true; }
}
public override bool IsMine(List<string> lines, string fileName)
{
var subtitle = new Subtitle();
var sb = new StringBuilder();
foreach (string line in lines)
sb.AppendLine(line);
LoadSubtitle(subtitle, lines, fileName);
return subtitle.Paragraphs.Count > _errorCount;
}
public override string ToText(Subtitle subtitle, string title)
{
var sb = new StringBuilder();
const string format = "{0:0000}\t{1}\t{2}";
foreach (Paragraph p in subtitle.Paragraphs)
{
sb.AppendLine(string.Format(format, 1, EncodeTimeCode(p.StartTime), EncodeTimeCode(p.EndTime)));
sb.AppendLine(HtmlUtil.RemoveHtmlTags(p.Text));
sb.AppendLine();
}
return sb.ToString();
}
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));
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
bool expectStartTime = true;
var p = new Paragraph();
subtitle.Paragraphs.Clear();
char[] splitChars = { '.', ':' };
foreach (string line in lines)
{
string s = line.Trim();
var match = RegexTimeCodes1.Match(s);
if (match.Success)
{
string[] parts = s.Split('\t');
if (parts.Length == 3)
{
try
{
if (!string.IsNullOrEmpty(p.Text))
{
subtitle.Paragraphs.Add(p);
p = new Paragraph();
}
p.StartTime = DecodeTimeCodeFrames(parts[1], splitChars);
p.EndTime = DecodeTimeCodeFrames(parts[2], splitChars);
expectStartTime = false;
}
catch (Exception exception)
{
_errorCount++;
System.Diagnostics.Debug.WriteLine(exception.Message);
}
}
}
else if (string.IsNullOrWhiteSpace(line))
{
if (p.StartTime.TotalMilliseconds == 0 && p.EndTime.TotalMilliseconds == 0)
_errorCount++;
else
subtitle.Paragraphs.Add(p);
p = new Paragraph();
}
else if (!expectStartTime)
{
p.Text = (p.Text + Environment.NewLine + line).Trim();
if (p.Text.Length > 500)
{
_errorCount += 10;
return;
}
while (p.Text.Contains(Environment.NewLine + " "))
p.Text = p.Text.Replace(Environment.NewLine + " ", Environment.NewLine);
}
}
if (p.EndTime.TotalMilliseconds > 0)
subtitle.Paragraphs.Add(p);
foreach (Paragraph temp in subtitle.Paragraphs)
temp.Text = temp.Text.Replace("<", "@ITALIC_START").Replace(">", "</i>").Replace("@ITALIC_START", "<i>");
subtitle.RemoveEmptyLines();
subtitle.Renumber();
}
}
}