mirror of
https://github.com/SubtitleEdit/subtitleedit.git
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40dbf721cf
Fix #3716
191 lines
7.4 KiB
C#
191 lines
7.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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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{1,2}", 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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sb.AppendLine("Structured titles");
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int index = 0;
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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 (var p in subtitle.Paragraphs)
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{
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// 1=first line, 11=bottom line, 10=bottom of two lines subtitle
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string verticalAlignment;
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if (p.Text.StartsWith("{\\an8}", StringComparison.Ordinal))
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{
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verticalAlignment = "1"; // one line
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}
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else
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{
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verticalAlignment = (12 - Utilities.GetNumberOfLines(p.Text)).ToString(CultureInfo.InvariantCulture);
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}
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sb.AppendLine($"{index + 1:0000} : {EncodeTimeCode(p.StartTime)},{EncodeTimeCode(p.EndTime)},{verticalAlignment}");
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sb.AppendLine("80 80 80");
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var italic = Utilities.RemoveSsaTags(p.Text).StartsWith("<i>", StringComparison.OrdinalIgnoreCase) &&
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p.Text.EndsWith("</i>", StringComparison.OrdinalIgnoreCase);
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var pre = string.Empty;
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var post = string.Empty;
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if (italic)
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{
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pre = "<";
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post = ">";
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}
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var lines = HtmlUtil.RemoveHtmlTags(p.Text, true).SplitToLines();
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for (int i = 0; i < lines.Count; i++)
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{
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string line = lines[i];
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sb.AppendLine(GetPositionCode(i, p.Extra) + " " + pre + line.Trim() + post);
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}
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sb.AppendLine();
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index++;
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}
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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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{
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return arr[lineNumber];
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}
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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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{
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subtitle.Paragraphs.Add(p);
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}
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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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if (line.EndsWith(",1", StringComparison.Ordinal) || line.EndsWith(",2", StringComparison.Ordinal))
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{
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p.Text = "{\\an8}";
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}
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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 if (p.Text == "{\\an8}")
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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 (string.IsNullOrWhiteSpace(line) || line.Length < 10 && RegexSomeCodes.IsMatch(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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{
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p.Text = line.Trim();
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}
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else
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{
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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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}
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if (!string.IsNullOrEmpty(p?.Text))
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{
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subtitle.Paragraphs.Add(p);
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}
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FixItalics(subtitle);
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subtitle.Renumber();
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}
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private static void FixItalics(Subtitle subtitle)
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{
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foreach (var p in subtitle.Paragraphs)
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{
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if (p.Text.Contains('<') && p.Text.Contains('>'))
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{
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var sb = new StringBuilder();
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foreach (var line in p.Text.SplitToLines())
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{
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if (line.StartsWith('<') && line.EndsWith('>'))
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{
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sb.AppendLine("<i>" + line.TrimStart('<').TrimEnd('>') + "</i>");
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}
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else
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{
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sb.AppendLine(line);
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}
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}
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p.Text = HtmlUtil.FixInvalidItalicTags(sb.ToString().TrimEnd());
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}
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}
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}
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}
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}
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