Improve "Fix uppercase 'i' nside lowercase words - thx

taxen :)

libse/Forms/FixCommonErrors/AddMissingQuotes.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/EmptyFixCallback.cs

@@ -1,6 +1,7 @@
 using Nikse.SubtitleEdit.Core.SubtitleFormats;
 using System.Collections.Generic;
 using System.Text;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
@@ -67,5 +68,9 @@ namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
             return new HashSet<string>();
         }
 
+        public bool DoSpell(string word)
+        {
+            return false;
+        }
     }
 }

libse/Forms/FixCommonErrors/Fix3PlusLines.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixAloneLowercaseIToUppercaseI.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Text.RegularExpressions;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixDanishLetterI.cs

@@ -1,4 +1,5 @@
 using System.Text.RegularExpressions;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixDialogsOnOneLine.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixDialogsOnOneLine : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixDoubleApostrophes.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixDoubleApostrophes : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixDoubleDash.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixDoubleGreaterThan.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixEllipsesStart.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixEmptyLines.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixHyphensAdd.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixHyphensAdd : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixHyphensRemove.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixHyphensRemove : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixInvalidItalicTags.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixInvalidItalicTags : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixLongDisplayTimes.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixLongDisplayTimes : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixLongLines.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixLongLines : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixMissingOpenBracket.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixMissingPeriodsAtEndOfLine.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixMissingSpaces.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Text.RegularExpressions;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixMusicNotation.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixOverlappingDisplayTimes.cs

@@ -1,5 +1,6 @@
 using Nikse.SubtitleEdit.Core.SubtitleFormats;
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixShortDisplayTimes.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixShortDisplayTimes : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixShortLines.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixShortLines : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixShortLinesAll.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixSpanishInvertedQuestionAndExclamationMarks.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixStartWithUppercaseLetterAfterColon.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Globalization;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixStartWithUppercaseLetterAfterParagraph.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Globalization;
 using System.Text;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixStartWithUppercaseLetterAfterPeriodInsideParagraph.cs

@@ -1,4 +1,5 @@
 using System.Globalization;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixTurkishAnsiToUnicode.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class FixTurkishAnsiToUnicode : IFixCommonError
     {

libse/Forms/FixCommonErrors/FixUnneededPeriods.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixUnneededSpaces.cs

@@ -1,4 +1,5 @@
 using System;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {

libse/Forms/FixCommonErrors/FixUppercaseIInsideWords.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Text.RegularExpressions;
+using Nikse.SubtitleEdit.Core.Interfaces;
 
 namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
@@ -8,6 +9,7 @@ namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
         private static readonly Regex ReAfterLowercaseLetter = new Regex(@"[a-zæøåäöéùáàìéóúñüéíóúñü]I", RegexOptions.Compiled);
         private static readonly Regex ReBeforeLowercaseLetter = new Regex(@"I[a-zæøåäöéùáàìéóúñüéíóúñü]", RegexOptions.Compiled);
 
+
         public void Fix(Subtitle subtitle, IFixCallbacks callbacks)
         {
             var l = Configuration.Settings.Language.FixCommonErrors;
@@ -68,6 +70,10 @@ namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
                                 word.Equals("islands", StringComparison.OrdinalIgnoreCase))
                             {
                             }
+                            else if (word.StartsWith("I") && !callbacks.DoSpell("l" + word.Remove(0,1)))
+                            {
+                                // word starting with "I", replaced by "l" is not spell check correct, so we skip it (probably a name)
+                            }
                             else if (match.Index == 0)
                             {  // first letter in paragraph
 

libse/Forms/FixCommonErrors/RemoveSpaceBetweenNumbers.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+using Nikse.SubtitleEdit.Core.Interfaces;
+
+namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
 {
     public class RemoveSpaceBetweenNumbers : IFixCommonError
     {

libse/Interfaces/IFixCallbacks.cs

@@ -1,10 +1,10 @@
-using Nikse.SubtitleEdit.Core.SubtitleFormats;
+using System.Collections.Generic;
-using System.Collections.Generic;
 using System.Text;
+using Nikse.SubtitleEdit.Core.SubtitleFormats;
 
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+namespace Nikse.SubtitleEdit.Core.Interfaces
 {
-    public interface IFixCallbacks
+    public interface IFixCallbacks : IDoSpell
     {
         bool AllowFix(Paragraph p, string action);
         void AddFixToListView(Paragraph p, string action, string before, string after);

libse/Interfaces/IFixCommonError.cs

@@ -1,4 +1,4 @@
-namespace Nikse.SubtitleEdit.Core.Forms.FixCommonErrors
+namespace Nikse.SubtitleEdit.Core.Interfaces
 {
     public interface IFixCommonError
     {

src/Forms/FixCommonErrors.cs

@@ -12,6 +12,8 @@ using System.IO;
 using System.Linq;
 using System.Text;
 using System.Windows.Forms;
+using Nikse.SubtitleEdit.Core.Interfaces;
+using Nikse.SubtitleEdit.Logic.SpellCheck;
 
 namespace Nikse.SubtitleEdit.Forms
 {
@@ -1825,5 +1827,34 @@ namespace Nikse.SubtitleEdit.Forms
                 e.SuppressKeyPress = true;
             }
         }
+
+        private Hunspell _hunspell;
+
+        public bool DoSpell(string word)
+        {
+            if (_hunspell == null && Language != null)
+            {
+                var fileMatches = Directory.GetFiles(Utilities.DictionaryFolder, Language + "*.dic");
+                if (fileMatches.Length > 0)
+                {
+                    var dictionary = fileMatches[0].Substring(0, fileMatches[0].Length - 4);
+                    try
+                    {
+                        _hunspell = Hunspell.GetHunspell(dictionary);
+                    }
+                    catch 
+                    {
+                        _hunspell = null;
+                    }
+                }               
+            }
+
+            if (_hunspell == null)
+            {
+                return false;
+            }
+
+            return _hunspell.Spell(word);
+        }
     }
 }