SubtitleEdit/libse/SubtitleFormats/UnknownSubtitle8.cs
2016-06-07 06:31:03 +02:00

117 lines
4.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class UnknownSubtitle8 : SubtitleFormat
{
//00:04:04.219
//The city council of long beach
private static readonly Regex RegexTimeCodes = new Regex(@"^\d\d:\d\d:\d\d.\d\d\d$", RegexOptions.Compiled);
public override string Extension
{
get { return ".txt"; }
}
public override string Name
{
get { return "Unknown 8"; }
}
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.AppendFormat(paragraphWriteFormat, p.StartTime.ToString().Replace(',', '.'), p.Text);
}
return sb.ToString().Trim();
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
subtitle.Paragraphs.Clear();
for (int i = 0; i < lines.Count; i++)
{
string line = lines[i].TrimEnd();
string next = string.Empty;
if (i + 1 < lines.Count)
next = lines[i + 1];
if (line.Contains(':') && !next.Contains(':') && RegexTimeCodes.IsMatch(line) && !RegexTimeCodes.IsMatch(next))
{
var paragraph = new Paragraph();
if (TryReadTimeCodesLine(line, paragraph))
{
paragraph.Text = next;
if (!string.IsNullOrWhiteSpace(paragraph.Text))
subtitle.Paragraphs.Add(paragraph);
}
else if (!string.IsNullOrWhiteSpace(line))
{
_errorCount++;
}
}
else
{
_errorCount++;
}
}
foreach (Paragraph p in subtitle.Paragraphs)
p.Text = p.Text.Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine);
int index = 0;
foreach (Paragraph p in subtitle.Paragraphs)
{
index++;
Paragraph nextParagraph = subtitle.GetParagraphOrDefault(index);
if (nextParagraph != null)
p.EndTime.TotalMilliseconds = nextParagraph.StartTime.TotalMilliseconds - 1;
else
p.EndTime.TotalMilliseconds = p.StartTime.TotalMilliseconds + 2500;
p.Text = p.Text.Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine);
}
subtitle.Renumber();
}
private static 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]);
paragraph.StartTime = new TimeCode(startHours, startMinutes, startSeconds, startMilliseconds);
return true;
}
catch
{
return false;
}
}
}
}