SubtitleEdit/libse/SubtitleFormats/UnknownSubtitle54.cs

151 lines
5.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class UnknownSubtitle54 : SubtitleFormat
{
//10:00:31:01
//10:00:33:02
//This is the king's royal court.
//10:00:33:19
//10:00:35:00
//This is the place,
private static readonly Regex RegexTimeCodes1 = new Regex(@"^\d\d:\d\d:\d\d:\d\d$", RegexOptions.Compiled);
public override string Extension
{
get { return ".txt"; }
}
public override string Name
{
get { return "Unknown 54"; }
}
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();
foreach (Paragraph p in subtitle.Paragraphs)
{
sb.AppendLine(EncodeTimeCode(p.StartTime));
sb.AppendLine(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();
foreach (string line in lines)
{
string s = line.Trim();
var match = RegexTimeCodes1.Match(s);
if (match.Success && s.Length == 11)
{
string[] parts = s.Split(':');
if (parts.Length == 4)
{
try
{
if (expectStartTime)
{
p.StartTime = DecodeTimeCode(parts);
expectStartTime = false;
}
else
{
if (p.StartTime.TotalMilliseconds < 0.01)
_errorCount++;
if (!string.IsNullOrEmpty(p.Text))
_errorCount++;
p.EndTime = DecodeTimeCode(parts);
}
}
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 (!string.IsNullOrWhiteSpace(line))
{
expectStartTime = true;
p.Text = (p.Text + Environment.NewLine + line).Trim();
if (p.Text.Length > 500)
{
_errorCount += 10;
return;
}
}
}
if (p.EndTime.TotalMilliseconds > 0)
subtitle.Paragraphs.Add(p);
bool allNullEndTime = true;
for (int i = 0; i < subtitle.Paragraphs.Count; i++)
{
if (subtitle.Paragraphs[i].EndTime.TotalMilliseconds != 0)
allNullEndTime = false;
}
if (allNullEndTime)
subtitle.Paragraphs.Clear();
subtitle.RemoveEmptyLines();
subtitle.Renumber();
}
private static TimeCode DecodeTimeCode(string[] parts)
{
//00:00:07:12
string hour = parts[0];
string minutes = parts[1];
string seconds = parts[2];
string frames = parts[3];
return new TimeCode(int.Parse(hour), int.Parse(minutes), int.Parse(seconds), FramesToMillisecondsMax999(int.Parse(frames)));
}
}
}