SubtitleEdit/libse/SubtitleFormats/UnknownSubtitle49.cs

159 lines
6.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class UnknownSubtitle49 : SubtitleFormat
{
private static readonly Regex RegexTimeCode = new Regex(@"^\d\d \d\d \d\d \d\d $", RegexOptions.Compiled);
private static readonly Regex RegexTimeCode2 = new Regex(@"^\d\d \d\d \d\d \d\d$", RegexOptions.Compiled);
private enum ExpectingLine
{
TimeStart,
TimeEnd,
Text
}
public override string Extension
{
get { return ".txt"; }
}
public override string Name
{
get { return "Unknown 49"; }
}
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)
{
//10 04 36 02
//10 04 37 04
//
//Greetings.
//10 04 37 06
//10 04 40 08
//It's confirmed, after reading
//Not Out on the poster..
//10 04 40 15
//10 04 44 06
//..you have not come to pass you
//time, in this unique story.
const string paragraphWriteFormat = "{0}{3}{1}{3}{2}";
var sb = new StringBuilder();
foreach (Paragraph p in subtitle.Paragraphs)
{
var text = HtmlUtil.RemoveOpenCloseTags(p.Text, HtmlUtil.TagFont);
if (!text.Contains(Environment.NewLine))
text = Environment.NewLine + text;
sb.AppendLine(string.Format(paragraphWriteFormat, EncodeTimeCode(p.StartTime), EncodeTimeCode(p.EndTime), text, Environment.NewLine));
}
return sb.ToString().Trim();
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
Paragraph paragraph = null;
ExpectingLine expecting = ExpectingLine.TimeStart;
_errorCount = 0;
subtitle.Paragraphs.Clear();
foreach (string line in lines)
{
if (paragraph == null && expecting == ExpectingLine.TimeStart && (RegexTimeCode.IsMatch(line) || RegexTimeCode2.IsMatch(line)))
{
paragraph = new Paragraph();
}
else if (paragraph != null && expecting == ExpectingLine.Text && (RegexTimeCode.IsMatch(line) || RegexTimeCode2.IsMatch(line)))
{
if (string.IsNullOrEmpty(paragraph.Text))
_errorCount++;
if (paragraph.StartTime.TotalMilliseconds < 0.1)
_errorCount++;
subtitle.Paragraphs.Add(paragraph);
paragraph = new Paragraph();
expecting = ExpectingLine.TimeStart;
}
if (paragraph != null && expecting == ExpectingLine.TimeStart && (RegexTimeCode.IsMatch(line) || RegexTimeCode2.IsMatch(line)))
{
string[] parts = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 4)
{
try
{
var tc = DecodeTimeCodeFramesFourParts(parts);
paragraph.StartTime = tc;
expecting = ExpectingLine.TimeEnd;
}
catch
{
_errorCount++;
expecting = ExpectingLine.TimeStart;
}
}
}
else if (paragraph != null && expecting == ExpectingLine.TimeEnd && (RegexTimeCode.IsMatch(line) || RegexTimeCode2.IsMatch(line)))
{
string[] parts = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 4)
{
try
{
var tc = DecodeTimeCodeFramesFourParts(parts);
paragraph.EndTime = tc;
expecting = ExpectingLine.Text;
}
catch
{
_errorCount++;
expecting = ExpectingLine.TimeStart;
}
}
}
else
{
if (paragraph != null && expecting == ExpectingLine.Text)
{
if (line.Length > 0)
{
string s = line;
paragraph.Text = (paragraph.Text + Environment.NewLine + s).Trim();
if (paragraph.Text.Length > 2000)
{
_errorCount += 100;
return;
}
}
}
}
}
if (paragraph != null && !string.IsNullOrEmpty(paragraph.Text))
subtitle.Paragraphs.Add(paragraph);
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));
}
}
}