mirror of
https://github.com/SubtitleEdit/subtitleedit.git
synced 2024-10-28 06:52:35 +01:00
526 lines
24 KiB
C#
526 lines
24 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Text;
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using System.Xml;
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namespace Nikse.SubtitleEdit.Core.SubtitleFormats
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{
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public class SubStationAlpha : SubtitleFormat
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{
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public string Errors { get; private set; }
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public override string Extension
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{
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get { return ".ssa"; }
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}
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public const string NameOfFormat = "Sub Station Alpha";
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public override string Name
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{
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get { return NameOfFormat; }
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}
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public override bool IsTimeBased
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{
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get { return true; }
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}
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public override bool IsMine(List<string> lines, string fileName)
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{
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var subtitle = new Subtitle();
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LoadSubtitle(subtitle, lines, fileName);
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Errors = null;
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return subtitle.Paragraphs.Count > _errorCount;
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}
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public override string ToText(Subtitle subtitle, string title)
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{
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const string header =
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@"[Script Info]
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; This is a Sub Station Alpha v4 script.
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Title: {0}
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ScriptType: v4.00
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Collisions: Normal
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PlayDepth: 0
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[V4 Styles]
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Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding
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Style: Default,{1},{2},{3},65535,65535,-2147483640,-1,0,1,{4},{5},2,10,10,10,0,1
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[Events]
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Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text";
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const string headerNoStyles =
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@"[Script Info]
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; This is a Sub Station Alpha v4 script.
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Title: {0}
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ScriptType: v4.00
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Collisions: Normal
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PlayDepth: 0
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[V4 Styles]
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Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding
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{1}
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[Events]
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Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text";
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const string timeCodeFormat = "{0}:{1:00}:{2:00}.{3:00}"; // h:mm:ss.cc
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const string paragraphWriteFormat = "Dialogue: Marked={4},{0},{1},{3},{5},0000,0000,0000,{6},{2}";
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const string commentWriteFormat = "Comment: Marked={4},{0},{1},{3},{5},0000,0000,0000,{6},{2}";
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var sb = new StringBuilder();
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Color fontColor = Color.FromArgb(Configuration.Settings.SubtitleSettings.SsaFontColorArgb);
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bool isValidAssHeader = !string.IsNullOrEmpty(subtitle.Header) && subtitle.Header.Contains("[V4 Styles]");
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List<string> styles = new List<string>();
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if (isValidAssHeader)
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{
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sb.AppendLine(subtitle.Header.Trim());
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const string formatLine = "Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text";
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if (!subtitle.Header.Contains(formatLine))
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sb.AppendLine(formatLine);
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styles = AdvancedSubStationAlpha.GetStylesFromHeader(subtitle.Header);
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}
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else if (!string.IsNullOrEmpty(subtitle.Header) && subtitle.Header.Contains("[V4+ Styles]"))
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{
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LoadStylesFromAdvancedSubstationAlpha(subtitle, title, subtitle.Header, headerNoStyles, sb);
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}
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else if (subtitle.Header != null && subtitle.Header.Contains("http://www.w3.org/ns/ttml"))
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{
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LoadStylesFromTimedText10(subtitle, title, header, headerNoStyles, sb);
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}
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else
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{
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sb.AppendLine(string.Format(header,
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title,
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Configuration.Settings.SubtitleSettings.SsaFontName,
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(int)Configuration.Settings.SubtitleSettings.SsaFontSize,
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ColorTranslator.ToWin32(fontColor),
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Configuration.Settings.SubtitleSettings.SsaOutline,
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Configuration.Settings.SubtitleSettings.SsaShadow
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));
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}
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foreach (Paragraph p in subtitle.Paragraphs)
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{
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string start = string.Format(timeCodeFormat, p.StartTime.Hours, p.StartTime.Minutes, p.StartTime.Seconds, p.StartTime.Milliseconds / 10);
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string end = string.Format(timeCodeFormat, p.EndTime.Hours, p.EndTime.Minutes, p.EndTime.Seconds, p.EndTime.Milliseconds / 10);
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string style = "Default";
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string actor = "NTP";
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if (!string.IsNullOrEmpty(p.Actor))
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actor = p.Actor;
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string effect = "";
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if (!string.IsNullOrEmpty(p.Effect))
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effect = p.Effect;
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if (!string.IsNullOrEmpty(p.Extra) && isValidAssHeader && styles.Contains(p.Extra))
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style = p.Extra;
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if (style == "Default")
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style = "*Default";
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if (p.IsComment)
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sb.AppendLine(string.Format(commentWriteFormat, start, end, AdvancedSubStationAlpha.FormatText(p), style, p.Layer, actor, effect));
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else
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sb.AppendLine(string.Format(paragraphWriteFormat, start, end, AdvancedSubStationAlpha.FormatText(p), style, p.Layer, actor, effect));
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}
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return sb.ToString().Trim();
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}
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private static void LoadStylesFromAdvancedSubstationAlpha(Subtitle subtitle, string title, string header, string headerNoStyles, StringBuilder sb)
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{
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try
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{
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bool styleFound = false;
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var ttStyles = new StringBuilder();
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foreach (string styleName in AdvancedSubStationAlpha.GetStylesFromHeader(subtitle.Header))
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{
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try
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{
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var ssaStyle = AdvancedSubStationAlpha.GetSsaStyle(styleName, subtitle.Header);
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if (ssaStyle != null)
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{
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string bold = "-1";
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if (ssaStyle.Bold)
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bold = "1";
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string italic = "0";
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if (ssaStyle.Italic)
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italic = "1";
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string newAlignment = "2";
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switch (ssaStyle.Alignment)
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{
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case "1":
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newAlignment = "1";
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break;
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case "3":
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newAlignment = "3";
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break;
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case "4":
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newAlignment = "9";
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break;
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case "5":
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newAlignment = "10";
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break;
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case "6":
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newAlignment = "11";
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break;
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case "7":
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newAlignment = "5";
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break;
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case "8":
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newAlignment = "6";
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break;
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case "9":
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newAlignment = "7";
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break;
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}
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//Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding
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const string styleFormat = "Style: {0},{1},{2},{3},{4},{5},{6},{7},{8},{9},{10},{11},{12},{13},{14},{15},0,1";
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// N FN FS PC SC TC BC Bo It BS O Sh Ali ML MR MV A Encoding
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ttStyles.AppendLine(string.Format(styleFormat, ssaStyle.Name, ssaStyle.FontName, ssaStyle.FontSize, ssaStyle.Primary.ToArgb(), ssaStyle.Secondary.ToArgb(),
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ssaStyle.Outline.ToArgb(), ssaStyle.Background.ToArgb(), bold, italic, ssaStyle.BorderStyle, ssaStyle.OutlineWidth, ssaStyle.ShadowWidth,
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newAlignment, ssaStyle.MarginLeft, ssaStyle.MarginRight, ssaStyle.MarginVertical));
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styleFound = true;
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}
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}
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catch
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{
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}
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}
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if (styleFound)
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{
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sb.AppendLine(string.Format(headerNoStyles, title, ttStyles));
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subtitle.Header = sb.ToString();
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}
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else
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{
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sb.AppendLine(string.Format(header, title));
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}
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}
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catch
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{
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sb.AppendLine(string.Format(header, title));
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}
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}
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private static void LoadStylesFromTimedText10(Subtitle subtitle, string title, string header, string headerNoStyles, StringBuilder sb)
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{
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try
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{
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var lines = new List<string>();
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foreach (string s in subtitle.Header.Replace(Environment.NewLine, "\n").Split('\n'))
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lines.Add(s);
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var tt = new TimedText10();
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var sub = new Subtitle();
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tt.LoadSubtitle(sub, lines, string.Empty);
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var xml = new XmlDocument();
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xml.LoadXml(subtitle.Header);
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var nsmgr = new XmlNamespaceManager(xml.NameTable);
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nsmgr.AddNamespace("ttml", "http://www.w3.org/ns/ttml");
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XmlNode head = xml.DocumentElement.SelectSingleNode("ttml:head", nsmgr);
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int stylexmlCount = 0;
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var ttStyles = new StringBuilder();
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foreach (XmlNode node in head.SelectNodes("//ttml:style", nsmgr))
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{
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string name = null;
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if (node.Attributes["xml:id"] != null)
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name = node.Attributes["xml:id"].Value;
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else if (node.Attributes["id"] != null)
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name = node.Attributes["id"].Value;
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if (name != null)
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{
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stylexmlCount++;
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string fontFamily = "Arial";
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if (node.Attributes["tts:fontFamily"] != null)
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fontFamily = node.Attributes["tts:fontFamily"].Value;
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string fontWeight = "normal";
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if (node.Attributes["tts:fontWeight"] != null)
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fontWeight = node.Attributes["tts:fontWeight"].Value;
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string fontStyle = "normal";
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if (node.Attributes["tts:fontStyle"] != null)
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fontStyle = node.Attributes["tts:fontStyle"].Value;
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string color = "#ffffff";
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if (node.Attributes["tts:color"] != null)
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color = node.Attributes["tts:color"].Value.Trim();
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Color c = Color.White;
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try
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{
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if (color.StartsWith("rgb(", StringComparison.Ordinal))
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{
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string[] arr = color.Remove(0, 4).TrimEnd(')').Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
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c = Color.FromArgb(int.Parse(arr[0]), int.Parse(arr[1]), int.Parse(arr[2]));
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}
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else
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{
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c = ColorTranslator.FromHtml(color);
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}
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}
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catch
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{
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}
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string fontSize = "20";
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if (node.Attributes["tts:fontSize"] != null)
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fontSize = node.Attributes["tts:fontSize"].Value.Replace("px", string.Empty).Replace("em", string.Empty);
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int fSize;
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if (!int.TryParse(fontSize, out fSize))
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fSize = 20;
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const string styleFormat = "Style: {0},{1},{2},{3},65535,65535,-2147483640,-1,0,1,3,0,2,10,10,10,0,1";
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ttStyles.AppendLine(string.Format(styleFormat, name, fontFamily, fSize, c.ToArgb()));
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}
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}
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if (stylexmlCount > 0)
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{
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sb.AppendLine(string.Format(headerNoStyles, title, ttStyles));
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subtitle.Header = sb.ToString();
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}
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else
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{
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sb.AppendLine(string.Format(header, title));
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}
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}
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catch
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{
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sb.AppendLine(string.Format(header, title));
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}
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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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Errors = null;
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bool eventsStarted = false;
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subtitle.Paragraphs.Clear();
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string[] format = { "Marked", " Start", " End", " Style", " Name", " MarginL", " MarginR", " MarginV", " Effect", " Text" };
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int indexLayer = 0;
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int indexStart = 1;
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int indexEnd = 2;
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int indexStyle = 3;
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const int indexName = 4;
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int indexEffect = 8;
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int indexText = 9;
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var errors = new StringBuilder();
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int lineNumber = 0;
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var header = new StringBuilder();
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foreach (string line in lines)
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{
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lineNumber++;
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if (!eventsStarted)
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header.AppendLine(line);
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if (line.Trim().Equals("[events]", StringComparison.OrdinalIgnoreCase))
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{
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eventsStarted = true;
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}
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else if (!string.IsNullOrEmpty(line) && line.TrimStart().StartsWith(';'))
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{
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// skip comment lines
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}
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else if (eventsStarted && !string.IsNullOrWhiteSpace(line))
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{
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string s = line.Trim().ToLower();
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if (s.StartsWith("format:", StringComparison.Ordinal))
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{
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if (line.Length > 10)
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{
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format = line.ToLower().Substring(8).Split(',');
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for (int i = 0; i < format.Length; i++)
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{
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if (format[i].Trim().Equals("layer", StringComparison.OrdinalIgnoreCase))
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indexLayer = i;
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else if (format[i].Trim().Equals("start", StringComparison.OrdinalIgnoreCase))
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indexStart = i;
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|
|
else if (format[i].Trim().Equals("end", StringComparison.OrdinalIgnoreCase))
|
|||
|
|
indexEnd = i;
|
|||
|
|
else if (format[i].Trim().Equals("text", StringComparison.OrdinalIgnoreCase))
|
|||
|
|
indexText = i;
|
|||
|
|
else if (format[i].Trim().Equals("effect", StringComparison.OrdinalIgnoreCase))
|
|||
|
|
indexEffect = i;
|
|||
|
|
else if (format[i].Trim().Equals("style", StringComparison.OrdinalIgnoreCase))
|
|||
|
|
indexStyle = i;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (!string.IsNullOrEmpty(s))
|
|||
|
|
{
|
|||
|
|
string text = string.Empty;
|
|||
|
|
string start = string.Empty;
|
|||
|
|
string end = string.Empty;
|
|||
|
|
string style = string.Empty;
|
|||
|
|
var layer = 0;
|
|||
|
|
string effect = string.Empty;
|
|||
|
|
string name = string.Empty;
|
|||
|
|
|
|||
|
|
string[] splittedLine;
|
|||
|
|
if (s.StartsWith("dialog:", StringComparison.Ordinal))
|
|||
|
|
splittedLine = line.Remove(0, 7).Split(',');
|
|||
|
|
else if (s.StartsWith("dialogue:", StringComparison.Ordinal))
|
|||
|
|
splittedLine = line.Remove(0, 9).Split(',');
|
|||
|
|
else
|
|||
|
|
splittedLine = line.Split(',');
|
|||
|
|
|
|||
|
|
for (int i = 0; i < splittedLine.Length; i++)
|
|||
|
|
{
|
|||
|
|
if (i == indexStart)
|
|||
|
|
start = splittedLine[i].Trim();
|
|||
|
|
else if (i == indexEnd)
|
|||
|
|
end = splittedLine[i].Trim();
|
|||
|
|
else if (i == indexLayer)
|
|||
|
|
int.TryParse(splittedLine[i], out layer);
|
|||
|
|
else if (i == indexEffect)
|
|||
|
|
effect = splittedLine[i];
|
|||
|
|
else if (i == indexText)
|
|||
|
|
text = splittedLine[i];
|
|||
|
|
else if (i == indexStyle)
|
|||
|
|
style = splittedLine[i];
|
|||
|
|
else if (i == indexName)
|
|||
|
|
name = splittedLine[i];
|
|||
|
|
else if (i > indexText)
|
|||
|
|
text += "," + splittedLine[i];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
var p = new Paragraph
|
|||
|
|
{
|
|||
|
|
StartTime = GetTimeCodeFromString(start),
|
|||
|
|
EndTime = GetTimeCodeFromString(end),
|
|||
|
|
Text = AdvancedSubStationAlpha.GetFormattedText(text)
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
if (!string.IsNullOrEmpty(style))
|
|||
|
|
p.Extra = style;
|
|||
|
|
if (!string.IsNullOrEmpty(effect))
|
|||
|
|
p.Effect = effect;
|
|||
|
|
p.Layer = layer;
|
|||
|
|
if (!string.IsNullOrEmpty(name))
|
|||
|
|
p.Actor = name;
|
|||
|
|
p.IsComment = s.StartsWith("comment:", StringComparison.Ordinal);
|
|||
|
|
subtitle.Paragraphs.Add(p);
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
_errorCount++;
|
|||
|
|
if (errors.Length < 2000)
|
|||
|
|
errors.AppendLine(string.Format(Configuration.Settings.Language.Main.LineNumberXErrorReadingTimeCodeFromSourceLineY, lineNumber, line));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (header.Length > 0)
|
|||
|
|
subtitle.Header = header.ToString();
|
|||
|
|
subtitle.Renumber();
|
|||
|
|
Errors = errors.ToString();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static TimeCode GetTimeCodeFromString(string time)
|
|||
|
|
{
|
|||
|
|
// h:mm:ss.cc
|
|||
|
|
string[] timeCode = time.Split(':', '.');
|
|||
|
|
return new TimeCode(int.Parse(timeCode[0]),
|
|||
|
|
int.Parse(timeCode[1]),
|
|||
|
|
int.Parse(timeCode[2]),
|
|||
|
|
int.Parse(timeCode[3]) * 10);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void RemoveNativeFormatting(Subtitle subtitle, SubtitleFormat newFormat)
|
|||
|
|
{
|
|||
|
|
if (newFormat != null && newFormat.Name == AdvancedSubStationAlpha.NameOfFormat)
|
|||
|
|
{
|
|||
|
|
// do we need any conversion?
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
foreach (Paragraph p in subtitle.Paragraphs)
|
|||
|
|
{
|
|||
|
|
int indexOfBegin = p.Text.IndexOf('{');
|
|||
|
|
string pre = string.Empty;
|
|||
|
|
while (indexOfBegin >= 0 && p.Text.IndexOf('}') > indexOfBegin)
|
|||
|
|
{
|
|||
|
|
string s = p.Text.Substring(indexOfBegin);
|
|||
|
|
if (s.StartsWith("{\\an1}", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an2}", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an3}", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an4}", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an5}", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an6}", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an7}", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an8}", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an9}", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = s.Substring(0, 6);
|
|||
|
|
}
|
|||
|
|
else if (s.StartsWith("{\\an1\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an2\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an3\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an4\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an5\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an6\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an7\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an8\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\an9\\", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = s.Substring(0, 5) + "}";
|
|||
|
|
}
|
|||
|
|
else if (s.StartsWith("{\\a1}", StringComparison.Ordinal) || s.StartsWith("{\\a1\\", StringComparison.Ordinal) ||
|
|||
|
|
s.StartsWith("{\\a3}", StringComparison.Ordinal) || s.StartsWith("{\\a3\\", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = s.Substring(0, 4) + "}";
|
|||
|
|
}
|
|||
|
|
else if (s.StartsWith("{\\a9}", StringComparison.Ordinal) || s.StartsWith("{\\a9\\", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = "{\\an4}";
|
|||
|
|
}
|
|||
|
|
else if (s.StartsWith("{\\a10}", StringComparison.Ordinal) || s.StartsWith("{\\a10\\", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = "{\\an5}";
|
|||
|
|
}
|
|||
|
|
else if (s.StartsWith("{\\a11}", StringComparison.Ordinal) || s.StartsWith("{\\a11\\", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = "{\\an6}";
|
|||
|
|
}
|
|||
|
|
else if (s.StartsWith("{\\a5}", StringComparison.Ordinal) || s.StartsWith("{\\a5\\", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = "{\\an7}";
|
|||
|
|
}
|
|||
|
|
else if (s.StartsWith("{\\a6}", StringComparison.Ordinal) || s.StartsWith("{\\a6\\", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = "{\\an8}";
|
|||
|
|
}
|
|||
|
|
else if (s.StartsWith("{\\a7}", StringComparison.Ordinal) || s.StartsWith("{\\a7\\", StringComparison.Ordinal))
|
|||
|
|
{
|
|||
|
|
pre = "{\\an9}";
|
|||
|
|
}
|
|||
|
|
int indexOfEnd = p.Text.IndexOf('}');
|
|||
|
|
p.Text = p.Text.Remove(indexOfBegin, (indexOfEnd - indexOfBegin) + 1);
|
|||
|
|
|
|||
|
|
indexOfBegin = p.Text.IndexOf('{');
|
|||
|
|
}
|
|||
|
|
p.Text = pre + p.Text;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool HasStyleSupport
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|