[gnome-subtitles] Use InvariantCulture when reading and writing files, wasn't working correctly for elapsed times

[Pedro Daniel da Rocha Melo e Castro <pcastro src gnome org>]

commit 22fe72851ea74de02b64c83279abc1d5cf44926f
Author: Pedro Castro <pedro gnomesubtitles org>
Date:   Sun Sep 11 22:20:20 2011 +0100

    Use InvariantCulture when reading and writing files, wasn't working correctly for elapsed times

 src/SubLib/IO/Input/SubtitleParser.cs  |    7 +++++--
 src/SubLib/IO/Output/SubtitleOutput.cs |    6 ++++--
 2 files changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/src/SubLib/IO/Input/SubtitleParser.cs b/src/SubLib/IO/Input/SubtitleParser.cs
index ef8adfe..db1823b 100644
--- a/src/SubLib/IO/Input/SubtitleParser.cs
+++ b/src/SubLib/IO/Input/SubtitleParser.cs
@@ -1,6 +1,6 @@
 /*
  * This file is part of SubLib.
- * Copyright (C) 2005-2009 Pedro Castro
+ * Copyright (C) 2005-2009,2011 Pedro Castro
  *
  * SubLib is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,6 +22,7 @@ using SubLib.Core.Domain;
 using SubLib.Core.Timing;
 using SubLib.IO.SubtitleFormats;
 using System;
+using System.Globalization;
 using System.Text;
 using System.Text.RegularExpressions;
 
@@ -496,8 +497,10 @@ internal class SubtitleParser {
 		string textResult = String.Empty;
 		bool returnValue = ParseGroup(match, groupName, ref textResult);
 		if (returnValue) {
+			textResult = textResult.Replace(',', '.');
+
 			try {
-				result = (float)Convert.ToDouble(textResult);
+				result = (float)Convert.ToDouble(textResult, CultureInfo.InvariantCulture);
 			} catch (Exception) {
 				return false;
 			}
diff --git a/src/SubLib/IO/Output/SubtitleOutput.cs b/src/SubLib/IO/Output/SubtitleOutput.cs
index 5ceb07a..a53c63e 100644
--- a/src/SubLib/IO/Output/SubtitleOutput.cs
+++ b/src/SubLib/IO/Output/SubtitleOutput.cs
@@ -1,6 +1,6 @@
 /*
  * This file is part of SubLib.
- * Copyright (C) 2005-2010 Pedro Castro
+ * Copyright (C) 2005-2011 Pedro Castro
  *
  * SubLib is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,6 +23,7 @@ using SubLib.Core.Timing;
 using SubLib.IO.SubtitleFormats;
 using System;
 using System.Collections;
+using System.Globalization;
 using System.Text;
 using System.Text.RegularExpressions;
 
@@ -197,9 +198,10 @@ internal class SubtitleOutput {
 	}
 	
 	private string FormatedField (double field) {
-		return field.ToString("0.###");
+		return field.ToString("0.###", CultureInfo.InvariantCulture);
 	}
 	
+	//TODO fix precision when saving files. If our number width is greater than 'width', some of the last digits will be removed
 	private string DimensionField (int field, int width) {
 		return field.ToString("D" + width).Substring(0, width);
 	}