From 018b7be5dbbb9f29ab6e039e458014995f8a78ff Mon Sep 17 00:00:00 2001
From: niksedk <nikse.dk@gmail.com>
Date: Fri, 5 Nov 2010 21:26:24 +0000
Subject: [PATCH] Added Spruce subtitle format

git-svn-id: https://subtitleedit.googlecode.com/svn/trunk@135 99eadd0c-20b8-1223-b5c4-2a2b2df33de2
---
 src/Logic/SubtitleFormats/Spruce.cs         | 163 ++++++++++++++++++++
 src/Logic/SubtitleFormats/SubtitleFormat.cs |   1 +
 2 files changed, 164 insertions(+)
 create mode 100644 src/Logic/SubtitleFormats/Spruce.cs

diff --git a/src/Logic/SubtitleFormats/Spruce.cs b/src/Logic/SubtitleFormats/Spruce.cs
new file mode 100644
index 000000000..dea787117
--- /dev/null
+++ b/src/Logic/SubtitleFormats/Spruce.cs
@@ -0,0 +1,163 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
+{
+    public class Spruce : SubtitleFormat
+    {
+        public override string Extension
+        {
+            get { return ".stl"; }
+        }
+
+        public override string Name
+        {
+            get { return "Spruce Subtitle File"; }
+        }
+
+        public override bool HasLineNumber
+        {
+            get { return false; }
+        }
+
+        public override bool IsTimeBased
+        {
+            get { return true; }
+        }
+
+        public override bool IsMine(List<string> lines, string fileName)
+        {
+            var subtitle = new Subtitle();
+            LoadSubtitle(subtitle, lines, fileName);
+            return subtitle.Paragraphs.Count > _errorCount;
+        }
+
+        public override string ToText(Subtitle subtitle, string title)
+        {
+            const string Header = @"//Font select and font size
+$FontName       = Arial
+$FontSize       = 30
+
+//Character attributes (global)
+$Bold           = FALSE
+$UnderLined     = FALSE
+$Italic         = FALSE
+
+//Position Control
+$HorzAlign      = Center
+$VertAlign      = Bottom
+$XOffset        = 0
+$YOffset        = 0
+
+//Contrast Control
+$TextContrast           = 15
+$Outline1Contrast       = 8
+$Outline2Contrast       = 15
+$BackgroundContrast     = 0
+
+//Effects Control
+$ForceDisplay   = FALSE
+$FadeIn         = 0
+$FadeOut        = 0
+
+//Other Controls
+$TapeOffset          = FALSE
+//$SetFilePathToken  = <<:>>
+
+//Colors
+$ColorIndex1    = 0
+$ColorIndex2    = 1
+$ColorIndex3    = 2
+$ColorIndex4    = 3
+";
+            StringBuilder sb = new StringBuilder();
+            sb.AppendLine(Header);
+            foreach (Paragraph p in subtitle.Paragraphs)
+            {
+                sb.AppendLine(string.Format("{0},{1},{2}", EncodeTimeCode(p.StartTime), EncodeTimeCode(p.EndTime), EncodeText(p.Text)));
+            }
+            return sb.ToString();
+        }
+
+        private string EncodeText(string text)
+        {
+            text = text.Replace("<b>", "^B");
+            text = text.Replace("</b>", string.Empty);
+            text = text.Replace("<i>", "^I");
+            text = text.Replace("</i>", string.Empty);
+            text = text.Replace("<u>", "^U");
+            text = text.Replace("</u>", string.Empty);
+            return text.Replace(Environment.NewLine, "|");
+        }
+
+        private string EncodeTimeCode(TimeCode time)
+        {
+            //00:01:54:19
+
+            int frames = time.Milliseconds / (1000 / 25);
+
+            return string.Format("{0:00}:{1:00}:{2:00}:{3:00}", time.Hours, time.Minutes, time.Seconds, frames);
+        }
+
+        public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
+        {
+            //00:01:54:19,00:01:56:17,We should be thankful|they accepted our offer.
+            subtitle.Paragraphs.Clear();
+            var regexTimeCodes = new Regex(@"^\d\d:\d\d:\d\d:\d\d,\d\d:\d\d:\d\d:\d\d,.+", RegexOptions.Compiled);
+            foreach (string line in lines)
+            {
+                if (regexTimeCodes.IsMatch(line))
+                {
+                    string start = line.Substring(0, 11);
+                    string end = line.Substring(12, 11);
+
+                    try
+                    {
+                        Paragraph p = new Paragraph(DecodeTimeCode(start), DecodeTimeCode(end), DecodeText(line.Substring(24)));
+                        subtitle.Paragraphs.Add(p);
+                    }
+                    catch
+                    {
+                        _errorCount++;
+                    }
+                }
+                else if (line.Trim().Length > 0 && !line.StartsWith("//") && !line.StartsWith("$"))
+                {
+                    _errorCount++;
+                }
+            }
+            subtitle.Renumber(1);
+        }
+
+        private TimeCode DecodeTimeCode(string time)
+        {
+            //00:01:54:19
+
+            string hour = time.Substring(0, 2);
+            string minutes = time.Substring(3, 2);
+            string seconds = time.Substring(6, 2);
+            string frames = time.Substring(9, 2);
+
+            int milliseconds = (int)((1000 / 25.0) * int.Parse(frames));
+            if (milliseconds > 999)
+                milliseconds = 999;
+
+            TimeCode tc = new TimeCode(int.Parse(hour), int.Parse(minutes), int.Parse(seconds), milliseconds);
+            return tc;
+        }
+
+        private string DecodeText(string text)
+        { //TODO: improve end tags
+            text = text.Replace("|", Environment.NewLine);
+            if (text.Contains("^B"))
+                text = text.Replace("^B", "<b>") + "</b>";
+            if (text.Contains("^I"))
+                text = text.Replace("^I", "<i>") + "</i>";
+            if (text.Contains("^U"))
+                text = text.Replace("^U", "<u>") + "</u>";
+            return text;
+        }
+    }
+}
diff --git a/src/Logic/SubtitleFormats/SubtitleFormat.cs b/src/Logic/SubtitleFormats/SubtitleFormat.cs
index f8168378d..76f08eee9 100644
--- a/src/Logic/SubtitleFormats/SubtitleFormat.cs
+++ b/src/Logic/SubtitleFormats/SubtitleFormat.cs
@@ -27,6 +27,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
                     new SubViewer10(),
                     new SubViewer20(),
                     new Sami(),
+                    new Spruce(),
                     new TimedText(),
                     new TMPlayer(),
                     new YouTubeSbv(),