SubtitleEdit/libse/SubtitleFormats/UnknownSubtitle72.cs
2016-02-08 21:11:03 +01:00

135 lines
4.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class UnknownSubtitle72 : SubtitleFormat
{
//00:00:02.000
//Junior Semifinal, part 1
//Aidiba Talamunuer, Berezan
//Bogdan Voloshin, Yaroslavl
//Alexandr Doronin, Almaty
//00:04:41.480
//G. Zhubanova
//«Kui»
//Aidiba Talamunuer, Berezan
//00:05:55.000
//N. Mendigaliev
//«Steppe»
//Bogdan Voloshin, Yaroslavl
private static readonly Regex RegexTimeCodes = new Regex(@"^\d\d:\d\d:\d\d.\d{1,3}$", RegexOptions.Compiled);
public override string Extension
{
get { return ".txt"; }
}
public override string Name
{
get { return "Unknown 72"; }
}
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)
{
const string paragraphWriteFormat = "{0}\r\n{1}\r\n";
var sb = new StringBuilder();
foreach (Paragraph p in subtitle.Paragraphs)
{
sb.AppendLine(string.Format(paragraphWriteFormat, p.StartTime.ToString().Replace(",", "."), p.Text));
}
return sb.ToString().Trim();
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
Paragraph paragraph = null;
_errorCount = 0;
subtitle.Paragraphs.Clear();
for (int i = 0; i < lines.Count; i++)
{
string line = lines[i].TrimEnd();
if (line.Contains(':') && RegexTimeCodes.IsMatch(line))
{
if (paragraph != null && string.IsNullOrEmpty(paragraph.Text))
_errorCount++;
paragraph = new Paragraph();
if (TryReadTimeCodesLine(line, paragraph))
{
subtitle.Paragraphs.Add(paragraph);
}
else
{
_errorCount++;
}
}
else if (paragraph != null && paragraph.Text.Length < 1000)
{
paragraph.Text = (paragraph.Text + Environment.NewLine + line).Trim();
}
else
{
_errorCount++;
}
}
int index = 0;
foreach (Paragraph p in subtitle.Paragraphs)
{
index++;
p.Text = p.Text.Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine);
Paragraph nextParagraph = subtitle.GetParagraphOrDefault(index);
p.EndTime.TotalMilliseconds = p.StartTime.TotalMilliseconds + Utilities.GetOptimalDisplayMilliseconds(p.Text) + 100;
if (nextParagraph != null && p.EndTime.TotalMilliseconds >= nextParagraph.StartTime.TotalMilliseconds)
{
p.EndTime.TotalMilliseconds = nextParagraph.StartTime.TotalMilliseconds - 1;
}
}
subtitle.Renumber();
}
private bool TryReadTimeCodesLine(string line, Paragraph paragraph)
{
string[] parts = line.Split(':', '.');
try
{
int startHours = int.Parse(parts[0]);
int startMinutes = int.Parse(parts[1]);
int startSeconds = int.Parse(parts[2]);
int startMilliseconds = int.Parse(parts[3]);
if (parts[3].Length == 2)
_errorCount++;
paragraph.StartTime = new TimeCode(startHours, startMinutes, startSeconds, startMilliseconds);
return true;
}
catch
{
return false;
}
}
}
}