Initial commit of SqlTools Service API

ServiceHost/Session/EditorSession.cs

@@ -0,0 +1,159 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+// using Microsoft.PowerShell.EditorServices.Console;
+// using Microsoft.PowerShell.EditorServices.Extensions;
+using Microsoft.PowerShell.EditorServices.Session;
+// using Microsoft.PowerShell.EditorServices.Utility;
+// using System.IO;
+
+namespace Microsoft.PowerShell.EditorServices
+{
+    /// <summary>
+    /// Manages a single session for all editor services.  This 
+    /// includes managing all open script files for the session.
+    /// </summary>
+    public class EditorSession
+    {
+        public void StartSession(HostDetails hostDetails, ProfilePaths profilePaths)
+        {
+        }
+#if false        
+        #region Properties
+
+        /// <summary>
+        /// Gets the Workspace instance for this session.
+        /// </summary>
+        public Workspace Workspace { get; private set; }
+
+        /// <summary>
+        /// Gets the PowerShellContext instance for this session.
+        /// </summary>
+        public PowerShellContext PowerShellContext { get; private set; }
+
+        /// <summary>
+        /// Gets the LanguageService instance for this session.
+        /// </summary>
+        public LanguageService LanguageService { get; private set; }
+
+        /// <summary>
+        /// Gets the AnalysisService instance for this session.
+        /// </summary>
+        public AnalysisService AnalysisService { get; private set; }
+
+        /// <summary>
+        /// Gets the DebugService instance for this session.
+        /// </summary>
+        public DebugService DebugService { get; private set; }
+
+        /// <summary>
+        /// Gets the ConsoleService instance for this session.
+        /// </summary>
+        public ConsoleService ConsoleService { get; private set; }
+
+        /// <summary>
+        /// Gets the ExtensionService instance for this session.
+        /// </summary>
+        public ExtensionService ExtensionService { get; private set; }
+
+        #endregion
+
+        #region Public Methods
+
+        /// <summary>
+        /// Starts the session using the provided IConsoleHost implementation
+        /// for the ConsoleService.
+        /// </summary>
+        /// <param name="hostDetails">
+        /// Provides details about the host application.
+        /// </param>
+        /// <param name="profilePaths">
+        /// An object containing the profile paths for the session.
+        /// </param>
+        public void StartSession(HostDetails hostDetails, ProfilePaths profilePaths)
+        {
+            // Initialize all services
+            this.PowerShellContext = new PowerShellContext(hostDetails, profilePaths);
+            this.LanguageService = new LanguageService(this.PowerShellContext);
+            this.DebugService = new DebugService(this.PowerShellContext);
+            this.ConsoleService = new ConsoleService(this.PowerShellContext);
+            this.ExtensionService = new ExtensionService(this.PowerShellContext);
+
+            this.InstantiateAnalysisService();
+
+            // Create a workspace to contain open files
+            this.Workspace = new Workspace(this.PowerShellContext.PowerShellVersion);
+        }
+
+        /// <summary>
+        /// Restarts the AnalysisService so it can be configured with a new settings file.
+        /// </summary>
+        /// <param name="settingsPath">Path to the settings file.</param>
+        public void RestartAnalysisService(string settingsPath)
+        {
+            this.AnalysisService?.Dispose();
+            InstantiateAnalysisService(settingsPath);
+        }
+
+        internal void InstantiateAnalysisService(string settingsPath = null)
+        {
+            // Only enable the AnalysisService if the machine has PowerShell
+            // v5 installed.  Script Analyzer works on earlier PowerShell
+            // versions but our hard dependency on their binaries complicates
+            // the deployment and assembly loading since we would have to
+            // conditionally load the binaries for v3/v4 support.  This problem
+            // will be solved in the future by using Script Analyzer as a
+            // module rather than an assembly dependency.
+            if (this.PowerShellContext.PowerShellVersion.Major >= 5)
+            {
+                // AnalysisService will throw FileNotFoundException if
+                // Script Analyzer binaries are not included.
+                try
+                {
+                    this.AnalysisService = new AnalysisService(this.PowerShellContext.ConsoleHost, settingsPath);
+                }
+                catch (FileNotFoundException)
+                {
+                    Logger.Write(
+                        LogLevel.Warning,
+                        "Script Analyzer binaries not found, AnalysisService will be disabled.");
+                }
+            }
+            else
+            {
+                Logger.Write(
+                    LogLevel.Normal,
+                    "Script Analyzer cannot be loaded due to unsupported PowerShell version " +
+                    this.PowerShellContext.PowerShellVersion.ToString());
+            }
+        }
+
+        #endregion
+
+        #region IDisposable Implementation
+
+        /// <summary>
+        /// Disposes of any Runspaces that were created for the
+        /// services used in this session.
+        /// </summary>
+        public void Dispose()
+        {
+            if (this.AnalysisService != null)
+            {
+                this.AnalysisService.Dispose();
+                this.AnalysisService = null;
+            }
+
+            if (this.PowerShellContext != null)
+            {
+                this.PowerShellContext.Dispose();
+                this.PowerShellContext = null;
+            }
+        }
+
+        #endregion
+#endif          
+    }  
+}