mirror of
https://github.com/SubtitleEdit/subtitleedit.git
synced 2024-10-28 06:52:35 +01:00
138 lines
5.3 KiB
C#
138 lines
5.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace Nikse.SubtitleEdit.Core.SubtitleFormats
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{
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public class StructuredTitles : SubtitleFormat
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{
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private static readonly Regex RegexTimeCodes = new Regex(@"^\d\d\d\d : \d\d:\d\d:\d\d:\d\d,\d\d:\d\d:\d\d:\d\d,\d\d", RegexOptions.Compiled);
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private static readonly Regex RegexSomeCodes = new Regex(@"^\d\d \d\d \d\d", RegexOptions.Compiled);
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private static readonly Regex RegexText = new Regex(@"^[A-Z]\d[A-Z]\d\d ", RegexOptions.Compiled);
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public override string Extension => ".txt";
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public override string Name => "Structured titles";
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public override string ToText(Subtitle subtitle, string title)
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{
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var sb = new StringBuilder();
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int index = 0;
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sb.AppendLine(@"Structured titles
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0000 : --:--:--:--,--:--:--:--,10
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80 80 80
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");
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//0001 : 01:07:25:08,01:07:29:00,10
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//80 80 80
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//C1Y00 Niemand zal je helpen ontsnappen.
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//C1Y00 - Een agent heeft me geholpen.
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foreach (Paragraph p in subtitle.Paragraphs)
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{
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string numberOfLinesCode = "10"; // two lines
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if (Utilities.GetNumberOfLines(p.Text) == 1)
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numberOfLinesCode = "11"; // two lines
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sb.AppendLine($"{index + 1:0000} : {EncodeTimeCode(p.StartTime)},{EncodeTimeCode(p.EndTime)},{numberOfLinesCode}");
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sb.AppendLine("80 80 80");
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for (int i = 0; i < p.Text.SplitToLines().Count; i++)
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{
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string line = p.Text.SplitToLines()[i];
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sb.AppendLine(GetPositionCode(i, p.Extra) + " " + line.Trim());
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}
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sb.AppendLine();
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index++;
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}
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sb.AppendLine($"{index + 1:0000}" + @" : --:--:--:--,--:--:--:--,-1
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80 80 80");
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return sb.ToString();
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}
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private static string GetPositionCode(int lineNumber, string extra)
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{
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if (!string.IsNullOrWhiteSpace(extra))
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{
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var arr = extra.Split(':');
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if (lineNumber < arr.Length && arr[lineNumber].Length == 5)
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return arr[lineNumber];
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}
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return "C1Y00";
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}
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private static string EncodeTimeCode(TimeCode time)
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{
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//00:03:15:22 (last is frame)
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return $"{time.Hours:00}:{time.Minutes:00}:{time.Seconds:00}:{MillisecondsToFramesMaxFrameRate(time.Milliseconds):00}";
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}
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public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
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{
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//0001 : 01:07:25:08,01:07:29:00,10
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_errorCount = 0;
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Paragraph p = null;
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subtitle.Paragraphs.Clear();
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foreach (string line in lines)
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{
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if (line.IndexOf(':') == 5 && RegexTimeCodes.IsMatch(line))
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{
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if (p != null)
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subtitle.Paragraphs.Add(p);
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string start = line.Substring(7, 11);
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string end = line.Substring(19, 11);
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string[] startParts = start.Split(SplitCharColon);
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string[] endParts = end.Split(SplitCharColon);
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if (startParts.Length == 4 && endParts.Length == 4)
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{
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p = new Paragraph(DecodeTimeCodeFramesFourParts(startParts), DecodeTimeCodeFramesFourParts(endParts), string.Empty);
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}
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}
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else if (p != null && RegexText.IsMatch(line))
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{
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if (string.IsNullOrEmpty(p.Text))
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{
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p.Extra = line.Substring(0, 5);
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p.Text = line.Substring(5).Trim();
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}
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else
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{
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p.Extra += ":" + line.Substring(0, 5);
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p.Text += Environment.NewLine + line.Substring(5).Trim();
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}
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}
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else if (line.Length < 10 && RegexSomeCodes.IsMatch(line))
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{
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}
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else if (string.IsNullOrWhiteSpace(line))
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{
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// skip these lines
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}
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else if (p != null)
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{
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if (p.Text != null && Utilities.GetNumberOfLines(p.Text) > 3)
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{
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_errorCount++;
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}
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else
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{
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if (!line.TrimEnd().EndsWith(": --:--:--:--,--:--:--:--,-1", StringComparison.Ordinal))
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{
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if (string.IsNullOrEmpty(p.Text))
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p.Text = line.Trim();
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else
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p.Text += Environment.NewLine + line.Trim();
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}
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}
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}
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}
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if (p != null && !string.IsNullOrEmpty(p.Text))
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subtitle.Paragraphs.Add(p);
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subtitle.Renumber();
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}
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}
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}
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