/
AdvancedSubStationAlpha.cs
1833 lines (1703 loc) · 85.5 KB
/
AdvancedSubStationAlpha.cs
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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Xml;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class AdvancedSubStationAlpha : SubtitleFormat
{
public string Errors { get; private set; }
public static string DefaultStyle
{
get
{
string borderStyle = "1"; // 1=normal, 3=opaque box
if (Configuration.Settings.SubtitleSettings.SsaOpaqueBox)
borderStyle = "3";
string boldStyle = "0"; // 0=regular
if (Configuration.Settings.SubtitleSettings.SsaFontBold)
boldStyle = "-1";
var ssa = Configuration.Settings.SubtitleSettings;
return "Style: Default," + ssa.SsaFontName + "," +
(int)ssa.SsaFontSize + "," +
GetSsaColorString(Color.FromArgb(ssa.SsaFontColorArgb)) + "," +
"&H0300FFFF,&H00000000,&H02000000," + boldStyle + ",0,0,0,100,100,0,0," + borderStyle + "," + ssa.SsaOutline.ToString(CultureInfo.InvariantCulture) + "," +
Configuration.Settings.SubtitleSettings.SsaShadow.ToString(CultureInfo.InvariantCulture) + ",2," + ssa.SsaMarginLeft + "," + ssa.SsaMarginRight + "," + ssa.SsaMarginTopBottom + ",1";
}
}
public static string DefaultHeader
{
get
{
SubtitleFormat format = new AdvancedSubStationAlpha();
var sub = new Subtitle();
string text = format.ToText(sub, string.Empty);
var lines = text.SplitToLines();
format.LoadSubtitle(sub, lines, string.Empty);
return sub.Header;
}
}
public override string Extension => ".ass";
public const string NameOfFormat = "Advanced Sub Station Alpha";
public override string Name => NameOfFormat;
public override bool IsMine(List<string> lines, string fileName)
{
var subtitle = new Subtitle();
var sb = new StringBuilder();
lines.ForEach(line => sb.AppendLine(line));
string all = sb.ToString();
if (!string.IsNullOrEmpty(fileName) && fileName.EndsWith(".ass", StringComparison.OrdinalIgnoreCase) && !all.Contains("[V4 Styles]"))
{
}
else if (!all.Contains("dialog:", StringComparison.OrdinalIgnoreCase) && !all.Contains("dialogue:", StringComparison.OrdinalIgnoreCase))
{
return false;
}
else if (!all.Contains("[V4+ Styles]") && new SubStationAlpha().IsMine(lines, fileName))
{
return false;
}
LoadSubtitle(subtitle, lines, fileName);
Errors = null;
if (subtitle.Paragraphs.Count > _errorCount)
{
if (!string.IsNullOrEmpty(subtitle.Header))
subtitle.Header = subtitle.Header.Replace("[V4 Styles]", "[V4+ Styles]");
return true;
}
return false;
}
public const string HeaderNoStyles = @"[Script Info]
; This is an Advanced Sub Station Alpha v4+ script.
Title: {0}
ScriptType: v4.00+
Collisions: Normal
PlayDepth: 0
[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
{1}
[Events]
Format: Layer, Start, End, Style, Actor, MarginL, MarginR, MarginV, Effect, Text";
public override string ToText(Subtitle subtitle, string title)
{
bool fromTtml = false;
string header = @"[Script Info]
; This is an Advanced Sub Station Alpha v4+ script.
Title: {0}
ScriptType: v4.00+
Collisions: Normal
PlayDepth: 0
[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
" + DefaultStyle + @"
[Events]
Format: Layer, Start, End, Style, Actor, MarginL, MarginR, MarginV, Effect, Text";
const string timeCodeFormat = "{0}:{1:00}:{2:00}.{3:00}"; // h:mm:ss.cc
const string paragraphWriteFormat = "Dialogue: {9},{0},{1},{3},{4},{5},{6},{7},{8},{2}";
const string commentWriteFormat = "Comment: {9},{0},{1},{3},{4},{5},{6},{7},{8},{2}";
var sb = new StringBuilder();
bool isValidAssHeader = !string.IsNullOrEmpty(subtitle.Header) && subtitle.Header.Contains("[V4+ Styles]");
var styles = new List<string>();
if (isValidAssHeader)
{
sb.AppendLine(subtitle.Header.Trim());
sb.AppendLine("Format: Layer, Start, End, Style, Actor, MarginL, MarginR, MarginV, Effect, Text");
styles = GetStylesFromHeader(subtitle.Header);
}
else if (!string.IsNullOrEmpty(subtitle.Header) && subtitle.Header.Contains("[V4 Styles]"))
{
LoadStylesFromSubstationAlpha(subtitle, title, header, HeaderNoStyles, sb);
}
else if (subtitle.Header != null && subtitle.Header.Contains("http://www.w3.org/ns/ttml"))
{
LoadStylesFromTimedText10(subtitle, title, header, HeaderNoStyles, sb);
fromTtml = true;
isValidAssHeader = !string.IsNullOrEmpty(subtitle.Header) && subtitle.Header.Contains("[V4+ Styles]");
if (isValidAssHeader)
{
styles = GetStylesFromHeader(subtitle.Header);
}
}
else if (subtitle.Header != null && subtitle.Header.Contains("http://www.w3.org/2006/10/ttaf1"))
{
LoadStylesFromTimedTextTimedDraft2006Oct(subtitle, title, header, HeaderNoStyles, sb);
fromTtml = true;
isValidAssHeader = !string.IsNullOrEmpty(subtitle.Header) && subtitle.Header.Contains("[V4+ Styles]");
if (isValidAssHeader)
{
styles = GetStylesFromHeader(subtitle.Header);
}
}
else
{
sb.AppendLine(string.Format(header, title));
}
foreach (Paragraph p in subtitle.Paragraphs)
{
string start = string.Format(timeCodeFormat, p.StartTime.Hours, p.StartTime.Minutes, p.StartTime.Seconds, p.StartTime.Milliseconds / 10);
string end = string.Format(timeCodeFormat, p.EndTime.Hours, p.EndTime.Minutes, p.EndTime.Seconds, p.EndTime.Milliseconds / 10);
string style = "Default";
if (!string.IsNullOrEmpty(p.Extra) && isValidAssHeader && styles.Contains(p.Extra))
style = p.Extra;
if (fromTtml && !string.IsNullOrEmpty(p.Style) && isValidAssHeader && styles.Contains(p.Style))
style = p.Style;
string actor = "";
if (!string.IsNullOrEmpty(p.Actor))
actor = p.Actor;
string marginL = "0";
if (!string.IsNullOrEmpty(p.MarginL) && Utilities.IsInteger(p.MarginL))
marginL = p.MarginL;
string marginR = "0";
if (!string.IsNullOrEmpty(p.MarginR) && Utilities.IsInteger(p.MarginR))
marginR = p.MarginR;
string marginV = "0";
if (!string.IsNullOrEmpty(p.MarginV) && Utilities.IsInteger(p.MarginV))
marginV = p.MarginV;
string effect = "";
if (!string.IsNullOrEmpty(p.Effect))
effect = p.Effect;
if (p.IsComment)
sb.AppendLine(string.Format(commentWriteFormat, start, end, FormatText(p), style, actor, marginL, marginR, marginV, effect, p.Layer));
else
sb.AppendLine(string.Format(paragraphWriteFormat, start, end, FormatText(p), style, actor, marginL, marginR, marginV, effect, p.Layer));
}
if (!string.IsNullOrEmpty(subtitle.Footer) && (subtitle.Footer.Contains("[Fonts]" + Environment.NewLine) || subtitle.Footer.Contains("[Graphics]" + Environment.NewLine)))
{
sb.AppendLine();
sb.AppendLine(subtitle.Footer);
}
return sb.ToString().Trim();
}
private static void LoadStylesFromSubstationAlpha(Subtitle subtitle, string title, string header, string headerNoStyles, StringBuilder sb)
{
try
{
bool styleFound = false;
var ttStyles = new StringBuilder();
// Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
const string styleFormat = "Style: {0},{1},{2},{3},{4},{5},{6},{7},{8},{9},0,100,100,0,0,{10},{11},{12},{13},{14},{15},{16},1";
foreach (string styleName in GetStylesFromHeader(subtitle.Header))
{
try
{
var ssaStyle = GetSsaStyle(styleName, subtitle.Header);
string bold = "0";
if (ssaStyle.Bold)
bold = "-1";
string italic = "0";
if (ssaStyle.Italic)
italic = "-1";
string underline = "0";
if (ssaStyle.Underline)
underline = "-1";
string newAlignment = "2";
switch (ssaStyle.Alignment)
{
case "1":
newAlignment = "1";
break;
case "3":
newAlignment = "3";
break;
case "9":
newAlignment = "4";
break;
case "10":
newAlignment = "5";
break;
case "11":
newAlignment = "6";
break;
case "5":
newAlignment = "7";
break;
case "6":
newAlignment = "8";
break;
case "7":
newAlignment = "9";
break;
}
ttStyles.AppendLine(string.Format(styleFormat, ssaStyle.Name, ssaStyle.FontName, ssaStyle.FontSize, GetSsaColorString(ssaStyle.Primary), GetSsaColorString(ssaStyle.Secondary),
GetSsaColorString(ssaStyle.Outline), GetSsaColorString(ssaStyle.Background), bold, italic, underline, ssaStyle.BorderStyle, ssaStyle.OutlineWidth.ToString(CultureInfo.InvariantCulture), ssaStyle.ShadowWidth.ToString(CultureInfo.InvariantCulture),
newAlignment, ssaStyle.MarginLeft, ssaStyle.MarginRight, ssaStyle.MarginVertical));
styleFound = true;
}
catch
{
// ignored
}
}
if (styleFound)
{
sb.AppendLine(string.Format(headerNoStyles, title, ttStyles));
subtitle.Header = sb.ToString();
}
else
{
sb.AppendLine(string.Format(header, title));
}
}
catch
{
sb.AppendLine(string.Format(header, title));
}
}
public static void LoadStylesFromTimedText10(Subtitle subtitle, string title, string header, string headerNoStyles, StringBuilder sb)
{
foreach (Paragraph p in subtitle.Paragraphs)
{
p.Effect = null;
}
try
{
var lines = subtitle.Header.SplitToLines();
var tt = new TimedText10();
var sub = new Subtitle();
tt.LoadSubtitle(sub, lines, string.Empty);
var xml = new XmlDocument();
xml.LoadXml(subtitle.Header);
var nsmgr = new XmlNamespaceManager(xml.NameTable);
nsmgr.AddNamespace("ttml", "http://www.w3.org/ns/ttml");
XmlNode head = xml.DocumentElement.SelectSingleNode("ttml:head", nsmgr);
int styleCount = 0;
var ttStyles = new StringBuilder();
var styleNames = new List<string>();
foreach (XmlNode node in head.SelectNodes("//ttml:style", nsmgr))
{
string name = null;
if (node.Attributes["xml:id"] != null)
name = node.Attributes["xml:id"].Value;
else if (node.Attributes["id"] != null)
name = node.Attributes["id"].Value;
if (name != null)
{
styleCount++;
string fontFamily = "Arial";
if (node.Attributes["tts:fontFamily"] != null)
fontFamily = node.Attributes["tts:fontFamily"].Value;
string fontWeight = "normal";
if (node.Attributes["tts:fontWeight"] != null)
fontWeight = node.Attributes["tts:fontWeight"].Value;
string fontStyle = "normal";
if (node.Attributes["tts:fontStyle"] != null)
fontStyle = node.Attributes["tts:fontStyle"].Value;
string color = "#ffffff";
if (node.Attributes["tts:color"] != null)
color = node.Attributes["tts:color"].Value.Trim();
Color c = Color.White;
try
{
if (color.StartsWith("rgb(", StringComparison.Ordinal))
{
string[] arr = color.Remove(0, 4).TrimEnd(')').Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
c = Color.FromArgb(int.Parse(arr[0]), int.Parse(arr[1]), int.Parse(arr[2]));
}
else
{
c = ColorTranslator.FromHtml(color);
}
}
catch
{
// ignored
}
string fontSize = "20";
if (node.Attributes["tts:fontSize"] != null)
fontSize = node.Attributes["tts:fontSize"].Value.Replace("px", string.Empty).Replace("em", string.Empty);
int fSize;
if (!int.TryParse(fontSize, out fSize))
fSize = 20;
string italic = "0";
if (fontStyle == "italic")
italic = "-1";
string bold = "0";
if (fontWeight == "bold")
bold = "-1";
const string styleFormat = "Style: {0},{1},{2},{3},&H0300FFFF,&H00000000,&H02000000,{4},{5},0,0,100,100,0,0,1,2,2,2,10,10,10,1";
ttStyles.AppendLine(string.Format(styleFormat, name, fontFamily, fSize, GetSsaColorString(c), bold, italic));
styleNames.Add(name);
}
}
if (styleCount > 0)
{
if (!styleNames.Contains("Default") && !styleNames.Contains("default") && subtitle.Paragraphs.Any(pa => string.IsNullOrEmpty(pa.Extra)))
{
ttStyles = new StringBuilder(DefaultStyle + Environment.NewLine + ttStyles);
foreach (var paragraph in subtitle.Paragraphs)
{
if (string.IsNullOrEmpty(paragraph.Extra))
paragraph.Extra = "Default";
}
}
sb.AppendLine(string.Format(headerNoStyles, title, ttStyles));
subtitle.Header = sb.ToString();
}
else
{
sb.AppendLine(string.Format(header, title));
}
// Set correct style on paragraphs
foreach (Paragraph p in subtitle.Paragraphs)
{
if (p.Extra != null && p.Extra.Contains('/'))
{
p.Extra = p.Extra.Split('/')[0].Trim();
}
}
}
catch
{
sb.AppendLine(string.Format(header, title));
}
}
public static void LoadStylesFromTimedTextTimedDraft2006Oct(Subtitle subtitle, string title, string header, string headerNoStyles, StringBuilder sb)
{
foreach (Paragraph p in subtitle.Paragraphs)
{
p.Effect = null;
}
try
{
var lines = subtitle.Header.SplitToLines();
var sb2 = new StringBuilder();
lines.ForEach(line => sb2.AppendLine(line));
var xml = new XmlDocument { XmlResolver = null };
xml.LoadXml(sb2.ToString().Replace(" & ", " & ").Replace("Q&A", "Q&A").RemoveControlCharactersButWhiteSpace().Trim());
subtitle.Header = xml.OuterXml;
var nsmgr = new XmlNamespaceManager(xml.NameTable);
nsmgr.AddNamespace("ttaf1", xml.DocumentElement.NamespaceURI);
int styleCount = 0;
var ttStyles = new StringBuilder();
var styleNames = new List<string>();
foreach (XmlNode node in xml.DocumentElement.SelectNodes("//ttaf1:style", nsmgr))
{
string name = null;
if (node.Attributes["xml:id"] != null)
name = node.Attributes["xml:id"].Value;
else if (node.Attributes["id"] != null)
name = node.Attributes["id"].Value;
if (name != null)
{
styleCount++;
string fontFamily = "Arial";
if (node.Attributes["tts:fontFamily"] != null)
fontFamily = node.Attributes["tts:fontFamily"].Value;
string fontWeight = "normal";
if (node.Attributes["tts:fontWeight"] != null)
fontWeight = node.Attributes["tts:fontWeight"].Value;
string fontStyle = "normal";
if (node.Attributes["tts:fontStyle"] != null)
fontStyle = node.Attributes["tts:fontStyle"].Value;
string color = "#ffffff";
if (node.Attributes["tts:color"] != null)
color = node.Attributes["tts:color"].Value.Trim();
Color c = Color.White;
try
{
if (color.StartsWith("rgb(", StringComparison.Ordinal))
{
string[] arr = color.Remove(0, 4).TrimEnd(')').Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
c = Color.FromArgb(int.Parse(arr[0]), int.Parse(arr[1]), int.Parse(arr[2]));
}
else
{
c = ColorTranslator.FromHtml(color);
}
}
catch
{
// ignored
}
string fontSize = "20";
if (node.Attributes["tts:fontSize"] != null)
fontSize = node.Attributes["tts:fontSize"].Value.Replace("px", string.Empty).Replace("em", string.Empty);
int fSize;
if (!int.TryParse(fontSize, out fSize))
fSize = 20;
string italic = "0";
if (fontStyle == "italic")
italic = "-1";
string bold = "0";
if (fontWeight == "bold")
bold = "-1";
const string styleFormat = "Style: {0},{1},{2},{3},&H0300FFFF,&H00000000,&H02000000,{4},{5},0,0,100,100,0,0,1,2,2,2,10,10,10,1";
ttStyles.AppendLine(string.Format(styleFormat, name, fontFamily, fSize, GetSsaColorString(c), bold, italic));
styleNames.Add(name);
}
}
if (styleCount > 0)
{
if (!styleNames.Contains("Default") && !styleNames.Contains("default") && subtitle.Paragraphs.Any(pa => string.IsNullOrEmpty(pa.Extra)))
{
ttStyles = new StringBuilder(DefaultStyle + Environment.NewLine + ttStyles);
foreach (var paragraph in subtitle.Paragraphs)
{
if (string.IsNullOrEmpty(paragraph.Extra))
paragraph.Extra = "Default";
}
}
sb.AppendLine(string.Format(headerNoStyles, title, ttStyles));
subtitle.Header = sb.ToString();
}
else
{
sb.AppendLine(string.Format(header, title));
}
// Set correct style on paragraphs
foreach (Paragraph p in subtitle.Paragraphs)
{
if (p.Extra != null && p.Extra.Contains('/'))
{
p.Extra = p.Extra.Split('/')[0].Trim();
}
}
}
catch
{
sb.AppendLine(string.Format(header, title));
}
}
public static List<string> GetStylesFromHeader(string headerLines)
{
var list = new List<string>();
if (headerLines == null)
headerLines = DefaultStyle;
if (headerLines.Contains("http://www.w3.org/ns/ttml"))
{
var subtitle = new Subtitle { Header = headerLines };
LoadStylesFromTimedText10(subtitle, string.Empty, headerLines, HeaderNoStyles, new StringBuilder());
headerLines = subtitle.Header;
}
foreach (string line in headerLines.SplitToLines())
{
if (line.StartsWith("style:", StringComparison.OrdinalIgnoreCase))
{
int end = line.IndexOf(',');
if (end > 0)
list.Add(line.Substring(6, end - 6).Trim());
}
}
return list;
}
public static string FormatText(Paragraph p)
{
string text = p.Text.Replace(Environment.NewLine, "\\N");
if (!text.Contains('<'))
return text;
text = text.Replace("<i>", @"{\i1}");
text = text.Replace("</i>", @"{\i0}");
text = text.Replace("</i>", @"{\i}");
text = text.Replace("<u>", @"{\u1}");
text = text.Replace("</u>", @"{\u0}");
text = text.Replace("</u>", @"{\u}");
text = text.Replace("<b>", @"{\b1}");
text = text.Replace("</b>", @"{\b0}");
text = text.Replace("</b>", @"{\b}");
int count = 0;
while (text.Contains("<font ") && count < 10)
{
int start = text.IndexOf("<font ", StringComparison.Ordinal);
int end = text.IndexOf('>', start);
if (end > 0)
{
string fontTag = text.Substring(start + 5, end - (start + 4));
text = text.Remove(start, end - start + 1);
int indexOfEndFont = text.IndexOf("</font>", start, StringComparison.Ordinal);
if (indexOfEndFont > 0)
{
text = text.Remove(indexOfEndFont, 7);
if (indexOfEndFont < text.Length)
{
if (fontTag.Contains(" size="))
{
text = text.Insert(indexOfEndFont, "{\\fs}");
}
if (fontTag.Contains(" face="))
{
text = text.Insert(indexOfEndFont, "{\\fn}");
}
if (fontTag.Contains(" color="))
{
text = text.Insert(indexOfEndFont, "{\\c}");
}
}
}
fontTag = FormatTag(ref text, start, fontTag, "face=\"", "fn", "}");
fontTag = FormatTag(ref text, start, fontTag, "face='", "fn", "}");
fontTag = FormatTag(ref text, start, fontTag, "face=", "fn", "}");
fontTag = FormatTag(ref text, start, fontTag, "size=\"", "fs", "}");
fontTag = FormatTag(ref text, start, fontTag, "size='", "fs", "}");
fontTag = FormatTag(ref text, start, fontTag, "size=", "fs", "}");
fontTag = FormatTag(ref text, start, fontTag, "color=\"", "c&H", "&}");
fontTag = FormatTag(ref text, start, fontTag, "color='", "c&H", "&}");
FormatTag(ref text, start, fontTag, "color=", "c&H", "&}");
}
count++;
}
text = text.Replace("{\\c}", "@___@@").Replace("}{", string.Empty).Replace("@___@@", "{\\c}").Replace("{\\c}{\\c&", "{\\c&");
while (text.EndsWith("{\\c}", StringComparison.Ordinal))
{
text = text.Remove(text.Length - 4);
}
while (text.Contains("\\fs\\fs", StringComparison.Ordinal))
{
text = text.Replace("\\fs\\fs", "\\fs");
}
while (text.Contains("\\fn\\fn", StringComparison.Ordinal))
{
text = text.Replace("\\fn\\fn", "\\fn");
}
while (text.Contains("\\c\\c&H", StringComparison.Ordinal))
{
text = text.Replace("\\c\\c&H", "\\c&H");
}
return text;
}
private static string FormatTag(ref string text, int start, string fontTag, string tag, string ssaTagName, string endSsaTag)
{
if (fontTag.Contains(tag))
{
int fontStart = fontTag.IndexOf(tag, StringComparison.Ordinal);
int fontEnd = fontTag.IndexOfAny(new[] { '"', '\'' }, fontStart + tag.Length);
if (fontEnd < 0)
fontEnd = fontTag.IndexOfAny(new[] { ' ', '>' }, fontStart + tag.Length);
if (fontEnd > 0)
{
string subTag = fontTag.Substring(fontStart + tag.Length, fontEnd - (fontStart + tag.Length));
if (tag.Contains("color"))
{
Color c;
try
{
c = ColorTranslator.FromHtml(subTag);
}
catch
{
c = Color.White;
}
subTag = (c.B.ToString("X2") + c.G.ToString("X2") + c.R.ToString("X2")).ToLowerInvariant(); // use bbggrr
}
fontTag = fontTag.Remove(fontStart, fontEnd - fontStart + 1);
if (start < text.Length)
text = text.Insert(start, @"{\" + ssaTagName + subTag + endSsaTag);
}
}
return fontTag;
}
public static string GetFormattedText(string text)
{
text = text.Replace("\\N", Environment.NewLine).Replace("\\n", Environment.NewLine);
var tooComplex = ContainsUnsupportedTags(text);
if (!tooComplex)
{
for (int i = 0; i < 10; i++) // just look ten times...
{
bool italic;
if (text.Contains(@"{\fn"))
{
int start = text.IndexOf(@"{\fn", StringComparison.Ordinal);
int end = text.IndexOf('}', start);
if (end > 0 && !text.Substring(start).StartsWith("{\\fn}", StringComparison.Ordinal))
{
string fontName = text.Substring(start + 4, end - (start + 4));
string extraTags = string.Empty;
string unknownTags;
CheckAndAddSubTags(ref fontName, ref extraTags, out unknownTags, out italic);
text = text.Remove(start, end - start + 1);
if (italic)
text = text.Insert(start, "<font face=\"" + fontName + "\"" + extraTags + ">" + unknownTags + "<i>");
else
text = text.Insert(start, "<font face=\"" + fontName + "\"" + extraTags + ">" + unknownTags);
int indexOfEndTag = text.IndexOf("{\\fn}", start, StringComparison.Ordinal);
if (indexOfEndTag > 0)
{
text = text.Remove(indexOfEndTag, "{\\fn}".Length).Insert(indexOfEndTag, "</font>");
}
else
{
int indexOfNextTag1 = text.IndexOf("{\\fn", start, StringComparison.Ordinal);
int indexOfNextTag2 = text.IndexOf("{\\c}", start, StringComparison.Ordinal);
if (indexOfNextTag1 > 0)
{
text = text.Insert(indexOfNextTag1, "</font>");
}
else if (indexOfNextTag2 > 0 && text.IndexOf("{\\", start, StringComparison.Ordinal) >= indexOfNextTag2)
{
text = text.Insert(indexOfNextTag2, "</font>");
}
else
{
text += "</font>";
}
}
}
}
if (text.Contains(@"{\fs"))
{
int start = text.IndexOf(@"{\fs", StringComparison.Ordinal);
int end = text.IndexOf('}', start);
if (end > 0 && !text.Substring(start).StartsWith("{\\fs}", StringComparison.Ordinal))
{
string fontSize = text.Substring(start + 4, end - (start + 4));
string extraTags = string.Empty;
string unknownTags;
CheckAndAddSubTags(ref fontSize, ref extraTags, out unknownTags, out italic);
if (Utilities.IsInteger(fontSize))
{
text = text.Remove(start, end - start + 1);
if (italic)
text = text.Insert(start, "<font size=\"" + fontSize + "\"" + extraTags + ">" + unknownTags + "<i>");
else
text = text.Insert(start, "<font size=\"" + fontSize + "\"" + extraTags + ">" + unknownTags);
int indexOfEndTag = text.IndexOf("{\\fs}", start, StringComparison.Ordinal);
if (indexOfEndTag > 0)
{
text = text.Remove(indexOfEndTag, "{\\fs}".Length).Insert(indexOfEndTag, "</font>");
}
else
{
int indexOfNextTag1 = text.IndexOf("{\\fs", start, StringComparison.Ordinal);
int indexOfNextTag2 = text.IndexOf("{\\c}", start, StringComparison.Ordinal);
if (indexOfNextTag1 > 0)
{
text = text.Insert(indexOfNextTag1, "</font>");
}
else if (indexOfNextTag2 > 0 && text.IndexOf("{\\", start, StringComparison.Ordinal) >= indexOfNextTag2)
{
text = text.Insert(indexOfNextTag2, "</font>");
}
else
{
text += "</font>";
}
}
}
}
}
if (text.Contains(@"{\c"))
{
int start = text.IndexOf(@"{\c", StringComparison.Ordinal);
int end = text.IndexOf('}', start);
if (end > 0 && !text.Substring(start).StartsWith("{\\c}", StringComparison.Ordinal) && !text.Substring(start).StartsWith("{\\clip", StringComparison.Ordinal))
{
string color = text.Substring(start + 4, end - (start + 4));
string extraTags = string.Empty;
string unknownTags;
CheckAndAddSubTags(ref color, ref extraTags, out unknownTags, out italic);
color = color.RemoveChar('&').TrimStart('H');
color = color.PadLeft(6, '0');
// switch to rrggbb from bbggrr
color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2);
color = color.ToLower();
text = text.Remove(start, end - start + 1);
if (italic)
text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">" + unknownTags + "<i>");
else
text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">" + unknownTags);
int indexOfEndTag = text.IndexOf("{\\c}", start, StringComparison.Ordinal);
int indexOfNextColorTag = text.IndexOf("{\\c&", start, StringComparison.Ordinal);
if (indexOfNextColorTag > 0 && (indexOfNextColorTag < indexOfEndTag || indexOfEndTag == -1))
text = text.Insert(indexOfNextColorTag, "</font>");
else if (indexOfEndTag > 0)
text = text.Remove(indexOfEndTag, "{\\c}".Length).Insert(indexOfEndTag, "</font>");
else
text += "</font>";
}
}
if (text.Contains(@"{\1c")) // "1" specifices primary color
{
int start = text.IndexOf(@"{\1c", StringComparison.Ordinal);
int end = text.IndexOf('}', start);
if (end > 0 && !text.Substring(start).StartsWith("{\\1c}", StringComparison.Ordinal))
{
string color = text.Substring(start + 5, end - (start + 5));
string extraTags = string.Empty;
string unknownTags;
CheckAndAddSubTags(ref color, ref extraTags, out unknownTags, out italic);
color = color.RemoveChar('&').TrimStart('H');
color = color.PadLeft(6, '0');
// switch to rrggbb from bbggrr
color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2);
color = color.ToLower();
text = text.Remove(start, end - start + 1);
if (italic)
text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">" + unknownTags + "<i>");
else
text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">" + unknownTags);
text += "</font>";
}
}
}
}
text = text.Replace(@"{\i1}", "<i>");
text = text.Replace(@"{\i0}", "</i>");
text = text.Replace(@"{\i}", "</i>");
if (Utilities.CountTagInText(text, "<i>") > Utilities.CountTagInText(text, "</i>"))
text += "</i>";
text = text.Replace(@"{\u1}", "<u>");
text = text.Replace(@"{\u0}", "</u>");
text = text.Replace(@"{\u}", "</u>");
if (Utilities.CountTagInText(text, "<u>") > Utilities.CountTagInText(text, "</u>"))
text += "</u>";
text = text.Replace(@"{\b1}", "<b>");
text = text.Replace(@"{\b0}", "</b>");
text = text.Replace(@"{\b}", "</b>");
if (Utilities.CountTagInText(text, "<b>") > Utilities.CountTagInText(text, "</b>"))
text += "</b>";
return text;
}
private static bool ContainsUnsupportedTags(string text)
{
if (string.IsNullOrEmpty(text) || !text.Contains("{\\", StringComparison.OrdinalIgnoreCase))
return false;
var unsupportedTags = new List<string>
{
"\\alpha",
"\\be0",
"\\be1",
"\\bord",
"\\blur",
"\\clip",
"\\fad",
"\\fa",
"\\fade",
"\\fscx",
"\\fscy",
"\\fr",
"\\iclip",
"\\k",
"\\K",
"\\kf",
"\\ko",
"\\move",
"\\org",
"\\p",
"\\pos",
"\\s0",
"\\s1",
"\\t(",
"\\xbord",
"\\ybord",
"\\xshad",
"\\yshad"
};
foreach (var unsupportedTag in unsupportedTags)
{
if (text.Contains(unsupportedTag, StringComparison.Ordinal))
return true;
}
return false;
}
private static void CheckAndAddSubTags(ref string tagName, ref string extraTags, out string unknownTags, out bool italic)
{
italic = false;
unknownTags = string.Empty;
int indexOfSPlit = tagName.IndexOf('\\');
if (indexOfSPlit > 0)
{
string rest = tagName.Substring(indexOfSPlit).TrimStart('\\');
tagName = tagName.Remove(indexOfSPlit);
for (int i = 0; i < 10; i++)
{
if (rest.StartsWith("fs", StringComparison.Ordinal) && rest.Length > 2)
{
indexOfSPlit = rest.IndexOf('\\');
string fontSize = rest;
if (indexOfSPlit > 0)
{
fontSize = rest.Substring(0, indexOfSPlit);
rest = rest.Substring(indexOfSPlit).TrimStart('\\');
}
else
{
rest = string.Empty;
}
extraTags += " size=\"" + fontSize.Substring(2) + "\"";
}
else if (rest.StartsWith("fn", StringComparison.Ordinal) && rest.Length > 2)
{
indexOfSPlit = rest.IndexOf('\\');
string fontName = rest;
if (indexOfSPlit > 0)
{
fontName = rest.Substring(0, indexOfSPlit);
rest = rest.Substring(indexOfSPlit).TrimStart('\\');
}
else
{
rest = string.Empty;
}
extraTags += " face=\"" + fontName.Substring(2) + "\"";
}
else if (rest.StartsWith('c') && rest.Length > 2)
{
indexOfSPlit = rest.IndexOf('\\');
string fontColor = rest;
if (indexOfSPlit > 0)
{
fontColor = rest.Substring(0, indexOfSPlit);
rest = rest.Substring(indexOfSPlit).TrimStart('\\');
}
else
{
rest = string.Empty;
}
string color = fontColor.Substring(2);
color = color.RemoveChar('&').TrimStart('H');
color = color.PadLeft(6, '0');
// switch to rrggbb from bbggrr
color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2);
color = color.ToLower();
extraTags += " color=\"" + color + "\"";
}
else if (rest.StartsWith("i1", StringComparison.Ordinal) && rest.Length > 1)
{
indexOfSPlit = rest.IndexOf('\\');
italic = true;
if (indexOfSPlit > 0)
{
rest = rest.Substring(indexOfSPlit).TrimStart('\\');
}
else
{
rest = string.Empty;
}
}
else if (rest.Length > 0 && rest.Contains("\\"))
{
indexOfSPlit = rest.IndexOf('\\');
var unknowntag = rest.Substring(0, indexOfSPlit);
unknownTags += "\\" + unknowntag;
rest = rest.Substring(indexOfSPlit).TrimStart('\\');
}
else if (!string.IsNullOrEmpty(rest))
{
unknownTags += "\\" + rest;
rest = string.Empty;
}
}
}
if (!string.IsNullOrEmpty(unknownTags))
unknownTags = "{" + unknownTags + "}";
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
Errors = null;
bool eventsStarted = false;
bool fontsStarted = false;
bool graphicsStarted = false;
subtitle.Paragraphs.Clear();
// Layer, Start, End, Style, Actor, MarginL, MarginR, MarginV, Effect, Text
int indexLayer = 0;
int indexStart = 1;
int indexEnd = 2;
int indexStyle = 3;
int indexActor = 4;
int indexName = -1; // convert "Name" to "Actor" (if no "Actor") - "Name" is from SSA ?
int indexMarginL = 5;
int indexMarginR = 6;
int indexMarginV = 7;