Added subtitle format PE2

git-svn-id: https://subtitleedit.googlecode.com/svn/trunk@962 99eadd0c-20b8-1223-b5c4-2a2b2df33de2

src/Logic/SubtitleFormats/PE2.cs

@@ -0,0 +1,157 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
+{
+    public class PE2 : SubtitleFormat
+    {
+        enum ExpectingLine
+        {
+            TimeStart,
+            Text,
+            TimeEndOrText,
+        }
+
+        public override string Extension
+        {
+            get { return ".txt"; }
+        }
+
+        public override string Name
+        {
+            get { return "PE2"; }
+        }
+
+        public override bool HasLineNumber
+        {
+            get { return false; }
+        }
+
+        public override bool IsTimeBased
+        {
+            get { return true; }
+        }
+
+        public override bool IsMine(List<string> lines, string fileName)
+        {
+            Subtitle subtitle = new Subtitle();
+            LoadSubtitle(subtitle, lines, fileName);
+            return subtitle.Paragraphs.Count > _errorCount;
+        }
+
+        public override string ToText(Subtitle subtitle, string title)
+        {
+            //#PE2 Format file
+            //10:00:05:16 You will get a loan of//Rs 1.5 million in 15 minutes.
+            //10:00:08:19
+            //10:00:09:01 What have you brought//as the guarantee?
+            //10:00:12:01
+            //10:00:12:11 What?//I didn't get you.
+            //10:00:14:11
+            //10:00:14:15 We will sanction your loan.
+            //10:00:16:00
+
+            const string paragraphWriteFormat = "{0} {2}{3}{1}";
+            var sb = new StringBuilder();
+            sb.AppendLine("#PE2 Format file");
+            foreach (Paragraph p in subtitle.Paragraphs)
+            {
+                string text = p.Text.Replace(Environment.NewLine, "//");
+                sb.AppendLine(string.Format(paragraphWriteFormat, EncodeTimeCode(p.StartTime), EncodeTimeCode(p.EndTime), text, Environment.NewLine));
+            }
+            return sb.ToString().Trim();
+        }
+
+        public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
+        {
+            var regexTimeCode = new Regex(@"^\d\d:\d\d:\d\d:\d\d ", RegexOptions.Compiled);
+            var regexTimeCodeEnd = new Regex(@"^\d\d:\d\d:\d\d:\d\d$", RegexOptions.Compiled);
+
+            var paragraph = new Paragraph();
+            ExpectingLine expecting = ExpectingLine.TimeStart;
+            _errorCount = 0;
+
+            subtitle.Paragraphs.Clear();
+            foreach (string line in lines)
+            {
+                if (regexTimeCode.IsMatch(line))
+                {
+                    string[] parts = line.Substring(0, 11).Split(":".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
+                    if (parts.Length == 4)
+                    {
+                        try
+                        {
+                            var tc = DecodeTimeCode(parts);
+                            if (expecting == ExpectingLine.TimeStart)
+                            {
+                                paragraph = new Paragraph();
+                                paragraph.StartTime = tc;
+                                expecting = ExpectingLine.Text;
+                                if (line.Length > 12)
+                                    paragraph.Text = line.Substring(12).Trim().Replace("//", Environment.NewLine);
+                            }
+                        }
+                        catch
+                        {
+                            _errorCount++;
+                            expecting = ExpectingLine.TimeStart;
+                        }
+                    }
+                }
+                else if (regexTimeCodeEnd.IsMatch(line))
+                {
+                    string[] parts = line.Substring(0, 11).Split(":".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
+                    if (parts.Length == 4)
+                    {
+                        var tc = DecodeTimeCode(parts);
+                        paragraph.EndTime = tc;
+                        subtitle.Paragraphs.Add(paragraph);
+                        paragraph = new Paragraph();
+                        expecting = ExpectingLine.TimeStart;
+                    }
+                }
+                else
+                {
+                    if (expecting == ExpectingLine.Text)
+                    {
+                        if (line.Length > 0)
+                        {
+                            string text = line.Replace("//", Environment.NewLine);
+                            paragraph.Text += Environment.NewLine + text;
+                            expecting = ExpectingLine.TimeEndOrText;
+
+                            if (paragraph.Text.Length > 2000)
+                            {
+                                _errorCount += 100;
+                                return;
+                            }
+                        }
+                    }
+                }
+            }
+            subtitle.Renumber(1);
+        }
+
+        private string EncodeTimeCode(TimeCode time)
+        {
+            return string.Format("{0:00}:{1:00}:{2:00}:{3:00}", time.Hours, time.Minutes, time.Seconds, MillisecondsToFrames(time.Milliseconds));
+        }
+
+        private TimeCode DecodeTimeCode(string[] parts)
+        {
+            string hour = parts[0];
+            string minutes = parts[1];
+            string seconds = parts[2];
+            string frames = parts[3];
+
+            int milliseconds = (int)((1000.0 / Configuration.Settings.General.CurrentFrameRate) * int.Parse(frames));
+            if (milliseconds > 999)
+                milliseconds = 999;
+
+            return new TimeCode(int.Parse(hour), int.Parse(minutes), int.Parse(seconds), milliseconds);
+        }
+
+    }
+}

src/Logic/SubtitleFormats/SubtitleFormat.cs

@@ -44,6 +44,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
                     new MicroDvd(),
                     new MPlayer2(),
                     new OpenDvt(),
+                    new PE2(),
                     new PinnacleImpression(),
                     new PListCaption(),
                     new QuickTimeText(),

src/SubtitleEdit.csproj

@@ -599,6 +599,7 @@
     <Compile Include="Logic\SubtitleFormats\GpacTtxt.cs" />
     <Compile Include="Logic\SubtitleFormats\Json.cs" />
     <Compile Include="Logic\SubtitleFormats\Pac.cs" />
+    <Compile Include="Logic\SubtitleFormats\PE2.cs" />
     <Compile Include="Logic\SubtitleFormats\PinnacleImpression.cs" />
     <Compile Include="Logic\SubtitleFormats\PListCaption.cs" />
     <Compile Include="Logic\SubtitleFormats\QuickTimeText.cs" />