mirror of
https://github.com/SubtitleEdit/subtitleedit.git
synced 2024-11-26 05:02:36 +01:00
327 lines
14 KiB
C#
327 lines
14 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 DvdStudioPro : SubtitleFormat
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{
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private static readonly Regex RegexTimeCodes = new Regex(@"^\d+:\d+:\d+[:;]\d+\t,\t\d+:\d+:\d+[:;]\d+\t,\t.*$", RegexOptions.Compiled);
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public override string Extension => ".STL";
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public override string Name => "DVD Studio Pro";
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public override string ToText(Subtitle subtitle, string title)
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{
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const string paragraphWriteFormat = "{0}\t,\t{1}\t,\t{2}\r\n";
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const string timeFormat = "{0:00}:{1:00}:{2:00}:{3:00}";
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var header = Configuration.Settings.SubtitleSettings.DvdStudioProHeader.TrimEnd() + Environment.NewLine;
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var lastVerticalAlign = "$VertAlign = Bottom";
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var lastHorizontalcalAlign = "$HorzAlign = Center";
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var sb = new StringBuilder();
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sb.AppendLine(header);
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foreach (Paragraph p in subtitle.Paragraphs)
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{
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string startTime = string.Format(timeFormat, p.StartTime.Hours, p.StartTime.Minutes, p.StartTime.Seconds, MillisecondsToFramesMaxFrameRate(p.StartTime.Milliseconds));
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string endTime = string.Format(timeFormat, p.EndTime.Hours, p.EndTime.Minutes, p.EndTime.Seconds, MillisecondsToFramesMaxFrameRate(p.EndTime.Milliseconds));
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sb = ToTextAlignment(p, sb, ref lastVerticalAlign, ref lastHorizontalcalAlign);
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sb.AppendFormat(paragraphWriteFormat, startTime, endTime, EncodeStyles(p.Text));
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}
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return sb.ToString().Trim();
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}
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internal static StringBuilder ToTextAlignment(Paragraph p, StringBuilder sb, ref string lastVerticalAlign, ref string lastHorizontalAlign)
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{
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string verticalAlign;
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string horizontalAlign;
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bool verticalTopAlign = p.Text.StartsWith("{\\an7}", StringComparison.Ordinal) ||
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p.Text.StartsWith("{\\an8}", StringComparison.Ordinal) ||
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p.Text.StartsWith("{\\an9}", StringComparison.Ordinal);
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bool verticalCenterAlign = p.Text.StartsWith("{\\an4}", StringComparison.Ordinal) ||
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p.Text.StartsWith("{\\an5}", StringComparison.Ordinal) ||
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p.Text.StartsWith("{\\an6}", StringComparison.Ordinal);
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if (verticalTopAlign)
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{
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verticalAlign = "$VertAlign = Top";
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}
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else if (verticalCenterAlign)
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{
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verticalAlign = "$VertAlign = Center";
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}
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else
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{
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verticalAlign = "$VertAlign = Bottom";
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}
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if (lastVerticalAlign != verticalAlign)
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{
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sb.AppendLine(verticalAlign);
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}
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bool horizontalLeftAlign = p.Text.StartsWith("{\\an1}", StringComparison.Ordinal) ||
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p.Text.StartsWith("{\\an4}", StringComparison.Ordinal) ||
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p.Text.StartsWith("{\\an7}", StringComparison.Ordinal);
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bool horizontalRightAlign = p.Text.StartsWith("{\\an3}", StringComparison.Ordinal) ||
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p.Text.StartsWith("{\\an6}", StringComparison.Ordinal) ||
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p.Text.StartsWith("{\\an9}", StringComparison.Ordinal);
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if (horizontalLeftAlign)
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{
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horizontalAlign = "$HorzAlign = Left";
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}
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else if (horizontalRightAlign)
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{
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horizontalAlign = "$HorzAlign = Right";
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}
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else
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{
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horizontalAlign = "$HorzAlign = Center";
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}
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if (lastHorizontalAlign != horizontalAlign)
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{
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sb.AppendLine(horizontalAlign);
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}
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lastVerticalAlign = verticalAlign;
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lastHorizontalAlign = horizontalAlign;
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return sb;
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}
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public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
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{
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_errorCount = 0;
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int number = 0;
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var verticalAlign = "$VertAlign=Bottom";
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var horizontalAlign = "$HorzAlign=Center";
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bool italicOn = false;
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bool boldOn = false;
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bool underlineOn = false;
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foreach (string line in lines)
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{
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if (!string.IsNullOrWhiteSpace(line) && line[0] != '$')
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{
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if (RegexTimeCodes.Match(line).Success)
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{
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string[] threePart = line.Split(new[] { "\t,\t" }, StringSplitOptions.None);
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var p = new Paragraph();
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if (threePart.Length == 3 &&
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GetTimeCode(p.StartTime, threePart[0]) &&
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GetTimeCode(p.EndTime, threePart[1]))
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{
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number++;
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p.Number = number;
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p.Text = threePart[2].TrimEnd().Replace(" | ", Environment.NewLine).Replace("|", Environment.NewLine);
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p.Text = DecodeStyles(p.Text);
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if (italicOn && !p.Text.Contains("<i>"))
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{
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p.Text = "<i>" + p.Text + "</i>";
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}
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if (boldOn && !p.Text.Contains("<b>"))
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{
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p.Text = "<b>" + p.Text + "</b>";
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}
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if (underlineOn && !p.Text.Contains("<u>"))
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{
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p.Text = "<u>" + p.Text + "</u>";
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}
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p.Text = GetAlignment(verticalAlign, horizontalAlign) + p.Text;
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subtitle.Paragraphs.Add(p);
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}
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}
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else
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{
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_errorCount++;
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}
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}
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else if (line != null && line.TrimStart().StartsWith("$VertAlign", StringComparison.OrdinalIgnoreCase))
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{
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verticalAlign = line.RemoveChar(' ').RemoveChar('\t');
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}
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else if (line != null && line.TrimStart().StartsWith("$HorzAlign", StringComparison.OrdinalIgnoreCase))
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{
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horizontalAlign = line.RemoveChar(' ').RemoveChar('\t');
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}
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else if (line.Replace(" ", string.Empty).Equals("$Italic=True", StringComparison.OrdinalIgnoreCase))
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{
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italicOn = true;
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}
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else if (line.Replace(" ", string.Empty).Trim().Equals("$Italic=False", StringComparison.OrdinalIgnoreCase))
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{
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italicOn = false;
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}
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else if (line.Replace(" ", string.Empty).Equals("$Bold=True", StringComparison.OrdinalIgnoreCase))
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{
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boldOn = true;
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}
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else if (line.Replace(" ", string.Empty).Trim().Equals("$Bold=False", StringComparison.OrdinalIgnoreCase))
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{
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boldOn = false;
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}
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else if (line.Replace(" ", string.Empty).Equals("$Underlined=True", StringComparison.OrdinalIgnoreCase))
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{
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underlineOn = true;
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}
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else if (line.Replace(" ", string.Empty).Trim().Equals("$Underlined=False", StringComparison.OrdinalIgnoreCase))
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{
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underlineOn = false;
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}
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}
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}
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internal static string GetAlignment(string verticalAlign, string horizontalAlign)
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{
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if (verticalAlign.Equals("$VertAlign=Top", StringComparison.OrdinalIgnoreCase))
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{
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if (horizontalAlign.Equals("$HorzAlign=Left", StringComparison.OrdinalIgnoreCase))
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{
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return "{\\an7}";
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}
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if (horizontalAlign.Equals("$HorzAlign=Right", StringComparison.OrdinalIgnoreCase))
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{
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return "{\\an9}";
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}
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return "{\\an8}";
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}
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if (verticalAlign.Equals("$VertAlign=Center", StringComparison.OrdinalIgnoreCase))
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{
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if (horizontalAlign.Equals("$HorzAlign=Left", StringComparison.OrdinalIgnoreCase))
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{
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return "{\\an4}";
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}
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if (horizontalAlign.Equals("$HorzAlign=Right", StringComparison.OrdinalIgnoreCase))
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{
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return "{\\an6}";
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}
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return "{\\an5}";
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}
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if (horizontalAlign.Equals("$HorzAlign=Left", StringComparison.OrdinalIgnoreCase))
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{
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return "{\\an1}";
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}
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if (horizontalAlign.Equals("$HorzAlign=Right", StringComparison.OrdinalIgnoreCase))
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{
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return "{\\an3}";
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}
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return string.Empty;
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}
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internal static string DecodeStyles(string text)
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{
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var sb = new StringBuilder();
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bool italicOn = false;
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bool boldOn = false;
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bool skipNext = false;
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for (int i = 0; i < text.Length; i++)
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{
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if (skipNext)
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{
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skipNext = false;
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}
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else
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{
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if (text.Substring(i).StartsWith("^I", StringComparison.Ordinal))
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{
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sb.Append(!italicOn ? "<i>" : "</i>");
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italicOn = !italicOn;
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skipNext = true;
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}
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else if (text.Substring(i).StartsWith("^B", StringComparison.Ordinal))
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{
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sb.Append(!boldOn ? "<b>" : "</b>");
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boldOn = !boldOn;
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skipNext = true;
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}
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else
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{
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sb.Append(text[i]);
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}
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}
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}
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return sb.ToString();
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}
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internal static string EncodeStyles(string input)
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{
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var text = Utilities.RemoveSsaTags(input);
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text = text.Replace("<I>", "<i>").Replace("</I>", "</i>");
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bool allItalic = text.StartsWith("<i>", StringComparison.Ordinal) && text.EndsWith("</i>", StringComparison.Ordinal) && Utilities.CountTagInText(text, "<i>") == 1;
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bool allBold = text.StartsWith("<b>", StringComparison.Ordinal) && text.EndsWith("</b>", StringComparison.Ordinal) && Utilities.CountTagInText(text, "<b>") == 1;
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bool allUnderline = text.StartsWith("<u>", StringComparison.Ordinal) && text.EndsWith("</u>", StringComparison.Ordinal) && Utilities.CountTagInText(text, "<u>") == 1;
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bool allUnderlineBoldItalic = text.StartsWith("<u><b><i>", StringComparison.Ordinal) && text.EndsWith("</i></b></u>", StringComparison.Ordinal) && Utilities.CountTagInText(text, "<u>") == 1;
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bool allBoldItalic = text.StartsWith("<b><i>", StringComparison.Ordinal) && text.EndsWith("</i></b>", StringComparison.Ordinal) && Utilities.CountTagInText(text, "<i>") == 1 && Utilities.CountTagInText(text, "<b>") == 1;
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text = text.Replace("<i>", "^I");
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text = text.Replace("<I>", "^I");
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text = text.Replace("</i>", "^I");
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text = text.Replace("</I>", "^I");
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text = text.Replace("<b>", "^B");
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text = text.Replace("<B>", "^B");
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text = text.Replace("</b>", "^B");
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text = text.Replace("</B>", "^B");
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text = text.Replace("<u>", "^U");
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text = text.Replace("<U>", "^U");
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text = text.Replace("</u>", "^U");
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text = text.Replace("</U>", "^U");
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if (allUnderlineBoldItalic)
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{
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return text.Replace(Environment.NewLine, "^U^B^I|^I^B^U");
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}
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if (allBoldItalic)
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{
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return text.Replace(Environment.NewLine, "^U^B^I|^I^B^U");
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}
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if (allItalic)
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{
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return text.Replace(Environment.NewLine, "^I|^I");
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}
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if (allBold)
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{
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return text.Replace(Environment.NewLine, "^B|^B");
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}
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if (allUnderline)
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{
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return text.Replace(Environment.NewLine, "^U|^U");
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}
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return text.Replace(Environment.NewLine, "|");
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}
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internal static bool GetTimeCode(TimeCode timeCode, string timeString)
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{
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try
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{
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var timeParts = timeString.Split(':', ';');
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timeCode.Hours = int.Parse(timeParts[0]);
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timeCode.Minutes = int.Parse(timeParts[1]);
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timeCode.Seconds = int.Parse(timeParts[2]);
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timeCode.Milliseconds = FramesToMillisecondsMax999(int.Parse(timeParts[3]));
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return true;
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}
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catch
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{
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return false;
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}
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}
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}
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}
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