com.unity.ide.visualstudio@2.0.0

## [2.0.0] - 2019-11-06

- Improved Visual Studio and Visual Studio for Mac automatic discovery
- Added support for the VSTU messaging system (start/stop features from Visual Studio)
- Added support for solution roundtrip (preserves references to external projects and solution properties)
- Added support for VSTU Analyzers (requires Visual Studio 2019 16.3, Visual Studio for Mac 8.3)
- Added a warning when using legacy pdb symbol files.
- Fixed issues while Opening Visual Studio on Windows
- Fixed issues while Opening Visual Studio on Mac

## [1.1.1] - 2019-05-29

Fix Bridge assembly loading with non VS2017 editors

## [1.1.0] - 2019-05-27

Move internal extension handling to package.

Editor/SolutionParser.cs

@@ -0,0 +1,80 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+using System.Collections.Generic;
+using System.IO;
+using System.Text.RegularExpressions;
+
+namespace Microsoft.Unity.VisualStudio.Editor
+{
+	internal static class SolutionParser
+	{
+		// Compared to the bridge implementation, we are not returning "{" "}" from Guids
+		private static readonly Regex ProjectDeclaration = new Regex(@"Project\(\""{(?<projectFactoryGuid>.*?)}\""\)\s+=\s+\""(?<name>.*?)\"",\s+\""(?<fileName>.*?)\"",\s+\""{(?<projectGuid>.*?)}\""(?<content>.*?)\bEndProject\b", RegexOptions.Singleline | RegexOptions.ExplicitCapture);
+		private static readonly Regex PropertiesDeclaration = new Regex(@"GlobalSection\((?<name>[\w]+Properties)\)\s+=\s+(?<type>(?:post|pre)Solution)(?<entries>.*?)EndGlobalSection", RegexOptions.Singleline | RegexOptions.ExplicitCapture);
+		private static readonly Regex PropertiesEntryDeclaration = new Regex(@"^\s*(?<key>.*?)=(?<value>.*?)$", RegexOptions.Multiline | RegexOptions.ExplicitCapture);
+
+		public static Solution ParseSolutionFile(string filename)
+		{
+			return ParseSolutionContent(File.ReadAllText(filename));
+		}
+
+		public static Solution ParseSolutionContent(string content)
+		{
+			return new Solution
+			{
+				Projects = ParseSolutionProjects(content),
+				Properties = ParseSolutionProperties(content)
+			};
+		}
+
+		private static SolutionProjectEntry[] ParseSolutionProjects(string content)
+		{
+			var projects = new List<SolutionProjectEntry>();
+			var mc = ProjectDeclaration.Matches(content);
+
+			foreach (Match match in mc)
+			{
+				projects.Add(new SolutionProjectEntry
+				{
+					ProjectFactoryGuid = match.Groups["projectFactoryGuid"].Value,
+					Name = match.Groups["name"].Value,
+					FileName = match.Groups["fileName"].Value,
+					ProjectGuid = match.Groups["projectGuid"].Value,
+				});
+			}
+
+			return projects.ToArray();
+		}
+
+		private static SolutionProperties[] ParseSolutionProperties(string content)
+		{
+			var properties = new List<SolutionProperties>();
+			var mc = PropertiesDeclaration.Matches(content);
+
+			foreach (Match match in mc)
+			{
+				var sp = new SolutionProperties
+				{
+					Entries = new List<KeyValuePair<string, string>>(),
+					Name = match.Groups["name"].Value,
+					Type = match.Groups["type"].Value
+				};
+
+				var entries = match.Groups["entries"].Value;
+				var mec = PropertiesEntryDeclaration.Matches(entries);
+				foreach (Match entry in mec)
+				{
+					var key = entry.Groups["key"].Value.Trim();
+					var value = entry.Groups["value"].Value.Trim();
+					sp.Entries.Add(new KeyValuePair<string, string>(key, value));
+				}
+
+				properties.Add(sp);
+			}
+
+			return properties.ToArray();
+		}
+	}
+}