source: branches/CodeEditor/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory-5.5.0/TypeSystem/DefaultSolutionSnapshot.cs @ 11700

// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;

using ICSharpCode.NRefactory.Utils;

namespace ICSharpCode.NRefactory.TypeSystem
{
  /// <summary>
  /// Default implementation of ISolutionSnapshot.
  /// </summary>
  public class DefaultSolutionSnapshot : ISolutionSnapshot
  {
    readonly Dictionary<string, IProjectContent> projectDictionary = new Dictionary<string, IProjectContent>(Platform.FileNameComparer);
    ConcurrentDictionary<IProjectContent, ICompilation> dictionary = new ConcurrentDictionary<IProjectContent, ICompilation>();
    
    /// <summary>
    /// Creates a new DefaultSolutionSnapshot with the specified projects.
    /// </summary>
    public DefaultSolutionSnapshot(IEnumerable<IProjectContent> projects)
    {
      foreach (var project in projects) {
        if (project.ProjectFileName != null)
          projectDictionary.Add(project.ProjectFileName, project);
      }
    }
    
    /// <summary>
    /// Creates a new DefaultSolutionSnapshot that does not support <see cref="ProjectReference"/>s.
    /// </summary>
    public DefaultSolutionSnapshot()
    {
    }
    
    public IProjectContent GetProjectContent(string projectFileName)
    {
      IProjectContent pc;
      lock (projectDictionary) {
        if (projectDictionary.TryGetValue(projectFileName, out pc))
          return pc;
        else
          return null;
      }
    }
    
    public ICompilation GetCompilation(IProjectContent project)
    {
      if (project == null)
        throw new ArgumentNullException("project");
      return dictionary.GetOrAdd(project, p => p.CreateCompilation(this));
    }
    
    public void AddCompilation(IProjectContent project, ICompilation compilation)
    {
      if (project == null)
        throw new ArgumentNullException("project");
      if (compilation == null)
        throw new ArgumentNullException("compilation");
      if (!dictionary.TryAdd(project, compilation))
        throw new InvalidOperationException();
      if (project.ProjectFileName != null) {
        lock (projectDictionary) {
          projectDictionary.Add(project.ProjectFileName, project);
        }
      }
    }
  }
}