Fix ASP.NET folding not working due to double quotes inside aspx or Razor markup tags which are inside HTML script tags.

src/AddIns/BackendBindings/AspNet.Mvc/Project/AspNet.Mvc.csproj

@@ -147,6 +147,7 @@
     <Compile Include="Src\Folding\SimpleWebFormsHtmlReader.cs" />
     <Compile Include="Src\Folding\WebFormsHtmlReaderFactory.cs" />
     <Compile Include="Src\Folding\WebFormsLanguageBinding.cs" />
+    <Compile Include="Src\Folding\WebFormsMarkupCharacterReader.cs" />
     <Compile Include="Src\IAddMvcItemToProjectView.cs" />
     <Compile Include="Src\IFileSystem.cs" />
     <Compile Include="Src\IMvcModelClassLocator.cs" />

src/AddIns/BackendBindings/AspNet.Mvc/Project/Src/Folding/CharacterReader.cs

@@ -28,9 +28,14 @@ namespace ICSharpCode.AspNet.Mvc.Folding
 		{
 			CurrentCharacter = reader.Read();
 			CurrentCharacterOffset++;
+			OnCharacterRead();
 			return HasMoreCharactersToRead();
 		}
 		
+		protected virtual void OnCharacterRead()
+		{
+		}
+		
 		bool HasMoreCharactersToRead()
 		{
 			return CurrentCharacter != EndOfCharacters;
@@ -90,5 +95,10 @@ namespace ICSharpCode.AspNet.Mvc.Folding
 				Read();
 			}
 		}
+		
+		public bool IsNextCharacterPercentSign()
+		{
+			return reader.Peek() == '%';
+		}
 	}
 }

src/AddIns/BackendBindings/AspNet.Mvc/Project/Src/Folding/HtmlReader.cs

@@ -97,7 +97,7 @@ namespace ICSharpCode.AspNet.Mvc.Folding
 		
 		void ReadDoubleQuotedString()
 		{
-			ReadUntil(() => reader.IsDoubleQuote());
+			ReadUntil(() => IsLastDoubleQuoteOfString());
 		}
 		
 		void ReadUntil(Func<bool> match)
@@ -109,6 +109,14 @@ namespace ICSharpCode.AspNet.Mvc.Folding
 			}
 		}
 		
+		bool IsLastDoubleQuoteOfString()
+		{
+			if (reader.IsDoubleQuote()) {
+				return IsHtml();
+			}
+			return false;
+		}
+		
 		void ReadSingleQuotedString()
 		{
 			ReadUntil(() => reader.IsSingleQuote());

src/AddIns/BackendBindings/AspNet.Mvc/Project/Src/Folding/SimpleWebFormsHtmlReader.cs

@@ -9,14 +9,22 @@ namespace ICSharpCode.AspNet.Mvc.Folding
 {
 	public class SimpleWebFormsHtmlReader : HtmlReader
 	{
+		WebFormsMarkupCharacterReader reader;
+		
 		public SimpleWebFormsHtmlReader(string html)
-			: this(new CharacterReader(html))
+			: this(new WebFormsMarkupCharacterReader(html))
 		{
 		}
 		
-		public SimpleWebFormsHtmlReader(CharacterReader reader)
+		public SimpleWebFormsHtmlReader(WebFormsMarkupCharacterReader reader)
 			: base(reader)
 		{
+			this.reader = reader;
+		}
+		
+		protected override bool IsHtml()
+		{
+			return reader.IsHtml;
 		}
 	}
 }

src/AddIns/BackendBindings/AspNet.Mvc/Project/Src/Folding/WebFormsMarkupCharacterReader.cs

@@ -0,0 +1,64 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+
+namespace ICSharpCode.AspNet.Mvc.Folding
+{
+	public class WebFormsMarkupCharacterReader : CharacterReader
+	{
+		bool isInAspxMarkup;
+		bool isAtEndAspxMarkup;
+		int previousCharacter = EndOfCharacters;
+		
+		public WebFormsMarkupCharacterReader(string html)
+			: base(html)
+		{
+		}
+		
+		protected override void OnCharacterRead()
+		{
+			if (isInAspxMarkup) {
+				CheckForAspxEndTag();
+			} else {
+				CheckForAspxMarkupStartTag();
+			}
+		}
+		
+		void CheckForAspxEndTag()
+		{
+			if (isAtEndAspxMarkup) {
+				OutsideOfMarkup();
+			}
+			if (IsGreaterThanSign() && IsPreviousCharacterPercentSign()) {
+				isAtEndAspxMarkup = true;
+			}
+			previousCharacter = CurrentCharacter;
+		}
+		
+		void OutsideOfMarkup()
+		{
+			isAtEndAspxMarkup = false;
+			isInAspxMarkup = false;
+		}
+		
+		bool IsPreviousCharacterPercentSign()
+		{
+			return previousCharacter == '%';
+		}
+		
+		void CheckForAspxMarkupStartTag()
+		{
+			isInAspxMarkup = IsAspxMarkupStartTag();
+		}
+		
+		public bool IsHtml {
+			get { return !isInAspxMarkup; }
+		}
+		
+		bool IsAspxMarkupStartTag()
+		{
+			return IsLessThanSign() && IsNextCharacterPercentSign();
+		}
+	}
+}

src/AddIns/BackendBindings/AspNet.Mvc/Test/AspNet.Mvc.Tests.csproj

@@ -123,6 +123,7 @@
     <Compile Include="Src\Folding\WebFormsHtmlFoldParserTests.cs" />
     <Compile Include="Src\Folding\WebFormsHtmlReaderTests.cs" />
     <Compile Include="Src\Folding\WebFormsLanguageBindingTests.cs" />
+    <Compile Include="Src\Folding\WebFormsMarkupCharacterReaderTests.cs" />
     <Compile Include="Src\IsMvcControllerFolderSelectedConditionEvaluatorTests.cs" />
     <Compile Include="Src\IsMvcViewFolderSelectedConditionEvaluatorTests.cs" />
     <Compile Include="Configuration\AssemblyInfo.cs" />

src/AddIns/BackendBindings/AspNet.Mvc/Test/Src/Folding/WebFormsHtmlFoldParserTests.cs

@@ -155,5 +155,27 @@ namespace AspNet.Mvc.Tests.Folding
 			
 			CollectionAssert.AreEqual(expectedFolds, folds);
 		}
+		
+		[Test]
+		public void GetFolds_ScriptTagAttributeHasAspxTagsInsideWithDoubleQuotes_ReturnsOneFoldIgnoringDoubleQuotesInsideScriptTagAttribute()
+		{
+			CreateParser();
+			
+			string text =
+				"<script src=\"<%: Url.Content(\"~/Scripts/jquery.js\") %>\" type=\"text/javascript\">\r\n" +
+				"</script>\r\n";
+			
+			GetFolds(text);
+			
+			var expectedFolds = new HtmlElementFold[] {
+				new HtmlElementFold() {
+					ElementName = "script",
+					StartOffset = 0,
+					EndOffset = 90
+				}
+			};
+			
+			CollectionAssert.AreEqual(expectedFolds, folds);
+		}
 	}
 }

src/AddIns/BackendBindings/AspNet.Mvc/Test/Src/Folding/WebFormsMarkupCharacterReaderTests.cs

@@ -0,0 +1,75 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using ICSharpCode.AspNet.Mvc.Folding;
+using NUnit.Framework;
+
+namespace AspNet.Mvc.Tests.Folding
+{
+	[TestFixture]
+	public class WebFormsMarkupCharacterReaderTests
+	{
+		WebFormsMarkupCharacterReader reader;
+		
+		void CreateReader(string html)
+		{
+			reader = new WebFormsMarkupCharacterReader(html);
+		}
+		
+		[Test]
+		public void IsHtml_CurrentCharacterIsAtStartOfHtml_ReturnsTrue()
+		{
+			CreateReader("<br/>");
+			
+			bool htmlCharacterRead = reader.IsHtml;
+			
+			Assert.IsTrue(htmlCharacterRead);
+		}
+		
+		[Test]
+		public void IsHtml_FirstCharacterReadIsPartOfAspxMarkup_ReturnsFalse()
+		{
+			CreateReader("<%@ Page Language=\"VB\" %>");
+			reader.Read();
+			
+			bool result = reader.IsHtml;
+			
+			Assert.IsFalse(result);
+		}
+		
+		[Test]
+		public void IsHtml_FirstCharacterReadIsPartOfBreakTag_ReturnsTrue()
+		{
+			CreateReader("<br/>");
+			reader.Read();
+			
+			bool readHtmlCharacter = reader.IsHtml;
+			
+			Assert.IsTrue(readHtmlCharacter);
+		}
+		
+		[Test]
+		public void IsHtml_FirstCharacterReadAfterAspxMarkupStartOpenBracketTag_ReturnsFalse()
+		{
+			CreateReader("<%= model.Message %>");
+			reader.Read();
+			reader.Read();
+			
+			bool readHtmlCharacter = reader.IsHtml;
+			
+			Assert.IsFalse(readHtmlCharacter);
+		}
+		
+		[Test]
+		public void IsHtml_ReadFirstCharacterAfterAspxEndMarkupTag_ReturnsTrue()
+		{
+			CreateReader("<%= %><br/>");
+			reader.ReadCharacters(7);
+			
+			bool readHtmlCharacter = reader.IsHtml;
+			
+			Assert.IsTrue(readHtmlCharacter);
+		}
+	}
+}