SubtitleEdit/libse/SubtitleFormats/Oresme.cs

137 lines
4.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class Oresme : SubtitleFormat
{
//00:00:00:00{BC}{W2710}
//10:00:00:15{Bottom}{Open Caption}{Center}{White}{Font Arial GVP Bold}
//10:00:17:06{Bottom}{Open Caption}{Center}{White}{Font Arial GVP Bold}We view
//10:00:19:06{Bottom}{Open Caption}{Center}{White}{Font Arial GVP Bold}Lufa Farms as{N}an agrotechnology business
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 "Oresme"; }
}
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)
{
const string format = "{0}{1}{2}";
const string tags = "{Bottom}{Open Caption}{Center}{White}{Font Arial GVP Bold}";
var sb = new StringBuilder();
sb.AppendLine("00:00:00:00{BC}{W2710}");
foreach (Paragraph p in subtitle.Paragraphs)
{
string text = HtmlUtil.RemoveHtmlTags(p.Text, true);
text = text.Replace(Environment.NewLine, "{N}");
sb.AppendLine(string.Format(format, EncodeTimeCode(p.StartTime), tags, text));
}
return sb.ToString();
}
private static string EncodeTimeCode(TimeCode time)
{
return time.ToHHMMSSFF();
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
subtitle.Paragraphs.Clear();
foreach (string line in lines)
{
string s = line.Trim();
var match = RegexTimeCodes1.Match(s);
if (match.Success)
{
var p = new Paragraph();
try
{
p.StartTime = DecodeTimeCode(s.Substring(0, 11));
p.Text = GetText(line.Remove(0, 11));
subtitle.Paragraphs.Add(p);
}
catch (Exception exception)
{
_errorCount++;
System.Diagnostics.Debug.WriteLine(exception.Message);
}
}
else
{
_errorCount++;
}
for (int i = 0; i < subtitle.Paragraphs.Count - 1; i++)
{
var p2 = subtitle.Paragraphs[i];
var next = subtitle.Paragraphs[i + 1];
p2.EndTime.TotalMilliseconds = next.StartTime.TotalMilliseconds - Configuration.Settings.General.MinimumMillisecondsBetweenLines;
}
if (subtitle.Paragraphs.Count > 0)
subtitle.Paragraphs[subtitle.Paragraphs.Count - 1].EndTime.TotalMilliseconds = subtitle.Paragraphs[subtitle.Paragraphs.Count - 1].StartTime.TotalMilliseconds +
Utilities.GetOptimalDisplayMilliseconds(subtitle.Paragraphs[subtitle.Paragraphs.Count - 1].Text);
}
subtitle.RemoveEmptyLines();
subtitle.Renumber();
}
private static string GetText(string s)
{
s = s.Replace("{N}", Environment.NewLine);
var sb = new StringBuilder();
bool tagOn = false;
for (int i = 0; i < s.Length; i++)
{
if (s[i] == '{')
tagOn = true;
else if (s[i] == '}')
tagOn = false;
else if (!tagOn)
sb.Append(s[i]);
}
return sb.ToString().Trim();
}
private static TimeCode DecodeTimeCode(string part)
{
string[] parts = part.Split(new[] { '.', ':' }, StringSplitOptions.RemoveEmptyEntries);
//00:00:07:12
var hour = int.Parse(parts[0]);
var minutes = int.Parse(parts[1]);
var seconds = int.Parse(parts[2]);
var frames = int.Parse(parts[3]);
return new TimeCode(hour, minutes, seconds, FramesToMillisecondsMax999(frames));
}
}
}