[Ide] Fixed bug in search result widget result text.

String manipulation inside the markup is much faster than using the
gtk attributes. So it's worth the effort of doing that & writing
tests.

2 files changed, 32 insertions, 9 deletions

diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.FindInFiles/SearchResultWidget.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.FindInFiles/SearchResultWidget.cs
index c96e994d29..9e9774a8c3 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.FindInFiles/SearchResultWidget.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.FindInFiles/SearchResultWidget.cs
@@ -852,7 +852,7 @@ namespace MonoDevelop.Ide.FindInFiles
 		public static string ColorMarkupBackground (string textMarkup, int startIndex, int endIndex, HslColor searchColor)
 		{
 			var markupBuilder = new StringBuilder();
-			bool inMarkup = false, inEntity = false, closed = false;
+			bool inMarkup = false, inEntity = false, closed = false, opened = false;
 			int i = 0;
 			for (int j = 0; j < textMarkup.Length; j++) {
 				var ch = textMarkup [j];
@@ -869,8 +869,10 @@ namespace MonoDevelop.Ide.FindInFiles
 						inMarkup = false;
 						markupBuilder.Append (ch);
 						if (i > startIndex && markupBuilder.ToString ().EndsWith("</span>")) {
-							if (!closed)
+							if (opened && !closed) {
 								markupBuilder.Append ("</span>");
+								opened = false;
+							}
 							markupBuilder.Append (textMarkup.Substring(j + 1));
 							return ColorMarkupBackground (markupBuilder.ToString (), i, endIndex, searchColor);
 						}
@@ -880,28 +882,33 @@ namespace MonoDevelop.Ide.FindInFiles
 					continue;
 				}
 				if (i == endIndex) {
-					markupBuilder.Append ("</span>");
+					if (opened) {
+						markupBuilder.Append ("</span>");
+						opened = false;
+					}
 					markupBuilder.Append (textMarkup.Substring (j));
 					closed = true;
 					break;
 				}
-				if (ch == '&') {
-					inEntity = true;
-					markupBuilder.Append (ch);
-					continue;
-				}
+
 				if (ch == '<') {
 					inMarkup = true;
 					markupBuilder.Append (ch);
 					continue;
 				}
 				if (i == startIndex) {
+					opened = true;
 					markupBuilder.Append ("<span background=\"" + ColorToPangoMarkup (searchColor) + "\">");
 				}
+				if (ch == '&') {
+					inEntity = true;
+					markupBuilder.Append (ch);
+					continue;
+				}
 				markupBuilder.Append (ch);
 				i++;
 			}
-			if (!closed)
+			if (!closed && !opened)
 				markupBuilder.Append ("</span>");
 			return markupBuilder.ToString ();
 		}
diff --git a/main/tests/UnitTests/MonoDevelop.Ide.FindInFiles/ColorizationTests.cs b/main/tests/UnitTests/MonoDevelop.Ide.FindInFiles/ColorizationTests.cs
index 60d6e6d1c3..7f39e373c8 100644
--- a/main/tests/UnitTests/MonoDevelop.Ide.FindInFiles/ColorizationTests.cs
+++ b/main/tests/UnitTests/MonoDevelop.Ide.FindInFiles/ColorizationTests.cs
@@ -88,5 +88,21 @@ namespace MonoDevelop.Ide.FindInFiles
 			);
 			Assert.AreEqual ("<span foreground=\"#000000\">ec.Report.Error <span background=\"#FFFFFF\">(</span></span><span foreground=\"#A40000\"><span background=\"#FFFFFF\">29</span></span><span foreground=\"#000000\"><span background=\"#FFFFFF\">,</span> loc, </span><span foreground=\"#A40000\">\"Cannot implicitly convert type `{0}' to `{1}'\"</span><span foreground=\"#000000\">,</span>", result);
 		}
+
+
+
+		[Test]
+		public void TestSpanClosingIssue ()
+		{
+			var result = PangoHelper.ColorMarkupBackground (
+				"<span foreground=\"#000000\">&lt;</span><span foreground=\"#204987\">Begin</span><span foreground=\"#000000\">&gt;/*&lt;/</span><span foreground=\"#204987\">Begin</span><span foreground=\"#000000\">&gt;</span>",
+				0,
+				17,
+				new HslColor (1d, 1d, 1d)
+			);
+			Assert.AreEqual ("<span foreground=\"#000000\"><span background=\"#FFFFFF\">&lt;</span></span><span foreground=\"#204987\"><span background=\"#FFFFFF\">Begin</span></span><span foreground=\"#000000\"><span background=\"#FFFFFF\">&gt;/*&lt;/</span></span><span foreground=\"#204987\"><span background=\"#FFFFFF\">Begin</span></span><span foreground=\"#000000\"><span background=\"#FFFFFF\">&gt;</span></span>", result);
+		}
+
+
 	}
 }
\ No newline at end of file