ScriptDomainManager.cs :  » Script » IronRuby » Microsoft » Scripting » Runtime » C# / CSharp Open Source

Home
C# / CSharp Open Source
1.2.6.4 mono .net core
2.2.6.4 mono core
3.Aspect Oriented Frameworks
4.Bloggers
5.Build Systems
6.Business Application
7.Charting Reporting Tools
8.Chat Servers
9.Code Coverage Tools
10.Content Management Systems CMS
11.CRM ERP
12.Database
13.Development
14.Email
15.Forum
16.Game
17.GIS
18.GUI
19.IDEs
20.Installers Generators
21.Inversion of Control Dependency Injection
22.Issue Tracking
23.Logging Tools
24.Message
25.Mobile
26.Network Clients
27.Network Servers
28.Office
29.PDF
30.Persistence Frameworks
31.Portals
32.Profilers
33.Project Management
34.RSS RDF
35.Rule Engines
36.Script
37.Search Engines
38.Sound Audio
39.Source Control
40.SQL Clients
41.Template Engines
42.Testing
43.UML
44.Web Frameworks
45.Web Service
46.Web Testing
47.Wiki Engines
48.Windows Presentation Foundation
49.Workflows
50.XML Parsers
C# / C Sharp
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source » Script » IronRuby 
IronRuby » Microsoft » Scripting » Runtime » ScriptDomainManager.cs
/* ****************************************************************************
 *
 * Copyright (c) Microsoft Corporation. 
 *
 * This source code is subject to terms and conditions of the Microsoft Public License. A 
 * copy of the license can be found in the License.html file at the root of this distribution. If 
 * you cannot locate the  Microsoft Public License, please send an email to 
 * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound 
 * by the terms of the Microsoft Public License.
 *
 * You must not remove this notice, or any other, from this software.
 *
 *
 * ***************************************************************************/

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Runtime.Serialization;
using System.Dynamic;
using Microsoft.Scripting.Utils;
using System.Threading;

namespace Microsoft.Scripting.Runtime{
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1001:TypesThatOwnDisposableFieldsShouldBeDisposable")] // TODO: fix
    public sealed class ScriptDomainManager {
        private readonly DynamicRuntimeHostingProvider _hostingProvider;
        private readonly SharedIO _sharedIO;
        private List<Assembly> _loadedAssemblies = new List<Assembly>();

        // last id assigned to a language context:
        private int _lastContextId;

        private Scope _globals;
        private readonly DlrConfiguration _configuration;

        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1065:DoNotRaiseExceptionsInUnexpectedLocations")]
        public PlatformAdaptationLayer Platform {
            get {
                PlatformAdaptationLayer result = _hostingProvider.PlatformAdaptationLayer;
                if (result == null) {
                    throw new InvalidImplementationException();
                }
                return result;
            }
        }

        public SharedIO SharedIO {
            get { return _sharedIO; }
        }

        public DynamicRuntimeHostingProvider Host {
            get { return _hostingProvider; }
        }

        public DlrConfiguration Configuration {
            get { return _configuration; }
        }

        public ScriptDomainManager(DynamicRuntimeHostingProvider hostingProvider, DlrConfiguration configuration) {
            ContractUtils.RequiresNotNull(hostingProvider, "hostingProvider");
            ContractUtils.RequiresNotNull(configuration, "configuration");

            configuration.Freeze();

            _hostingProvider = hostingProvider;
            _configuration = configuration;

            _sharedIO = new SharedIO();

            // create the initial default scope
            _globals = new Scope();
        }

        #region Language Registration

        internal ContextId GenerateContextId() {
            return new ContextId(Interlocked.Increment(ref _lastContextId));
        }

        public LanguageContext GetLanguage(Type providerType) {
            ContractUtils.RequiresNotNull(providerType, "providerType");
            return GetLanguageByTypeName(providerType.AssemblyQualifiedName);
        }

        public LanguageContext GetLanguageByTypeName(string providerAssemblyQualifiedTypeName) {
            ContractUtils.RequiresNotNull(providerAssemblyQualifiedTypeName, "providerAssemblyQualifiedTypeName");
            var aqtn = AssemblyQualifiedTypeName.ParseArgument(providerAssemblyQualifiedTypeName, "providerAssemblyQualifiedTypeName");

            LanguageContext language;
            if (!_configuration.TryLoadLanguage(this, aqtn, out language)) {
                throw Error.UnknownLanguageProviderType();
            }
            return language;
        }

        public bool TryGetLanguage(string languageName, out LanguageContext language) {
            ContractUtils.RequiresNotNull(languageName, "languageName");
            return _configuration.TryLoadLanguage(this, languageName, false, out language);
        }

        public LanguageContext GetLanguageByName(string languageName) {
            LanguageContext language;
            if (!TryGetLanguage(languageName, out language)) {
                throw new ArgumentException(String.Format("Unknown language name: '{0}'", languageName));
            }
            return language;
        }

        public bool TryGetLanguageByFileExtension(string fileExtension, out LanguageContext language) {
            ContractUtils.RequiresNotEmpty(fileExtension, "fileExtension");
            return _configuration.TryLoadLanguage(this, DlrConfiguration.NormalizeExtension(fileExtension), true, out language);
        }

        public LanguageContext GetLanguageByExtension(string fileExtension) {
            LanguageContext language;
            if (!TryGetLanguageByFileExtension(fileExtension, out language)) {
                throw new ArgumentException(String.Format("Unknown file extension: '{0}'", fileExtension));
            }
            return language;
        }

        #endregion

        /// <summary>
        /// A collection of environment variables.
        /// </summary>
        public Scope Globals {
            get {
                return _globals;
            }
            set {
                _globals = value;
            }
        }

        /// <summary>
        /// Event for when a host calls LoadAssembly.  After hooking this
        /// event languages will need to call GetLoadedAssemblyList to
        /// get any assemblies which were loaded before the language was
        /// loaded.
        /// </summary>
        public event EventHandler<AssemblyLoadedEventArgs> AssemblyLoaded;

        public bool LoadAssembly(Assembly assembly) {
            ContractUtils.RequiresNotNull(assembly, "assembly");

            lock (_loadedAssemblies) {
                if (_loadedAssemblies.Contains(assembly)) {
                    // only deliver the event if we've never added the assembly before
                    return false;
                }
                _loadedAssemblies.Add(assembly);
            }

            EventHandler<AssemblyLoadedEventArgs> assmLoaded = AssemblyLoaded;
            if (assmLoaded != null) {
                assmLoaded(this, new AssemblyLoadedEventArgs(assembly));
            }

            return true;
        }
        
        public IList<Assembly> GetLoadedAssemblyList() {
            lock (_loadedAssemblies) {
                return _loadedAssemblies.ToArray();
            }
        }
    }
}
www.java2v.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.