source: branches/2389-EpsLexicase/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory.CSharp-5.5.0/Ast/GeneralScope/Comment.cs

// 
// Comment.cs
//  
// Author:
//       Mike Krüger <mkrueger@novell.com>
// 
// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
// 
// 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 without restriction, including without limitation the rights
// to use, copy, modify, merge, 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 OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

namespace ICSharpCode.NRefactory.CSharp
{
  public enum CommentType 
  {
    /// <summary>
    /// "//" comment
    /// </summary>
    SingleLine,
    /// <summary>
    /// "/* */" comment
    /// </summary>
    MultiLine,
    /// <summary>
    /// "///" comment
    /// </summary>
    Documentation,
    /// <summary>
    /// Inactive code (code in non-taken "#if")
    /// </summary>
    InactiveCode,
    /// <summary>
    /// "/** */" comment
    /// </summary>
    MultiLineDocumentation
  }
  
  public class Comment : AstNode
  {
    public override NodeType NodeType {
      get {
        return NodeType.Whitespace;
      }
    }
    
    CommentType commentType;
    
    public CommentType CommentType {
      get { return commentType; }
      set { ThrowIfFrozen(); commentType = value; }
    }
    
    /// <summary>
    /// Returns true if the <see cref="CommentType"/> is Documentation or MultiLineDocumentation.
    /// </summary>
    public bool IsDocumentation {
      get {
        return commentType == CommentType.Documentation || commentType == CommentType.MultiLineDocumentation;
      }
    }
    
    bool startsLine;
    
    public bool StartsLine {
      get { return startsLine; }
      set { ThrowIfFrozen(); startsLine = value; }
    }
    
    string content;
    
    public string Content {
      get { return content; }
      set { ThrowIfFrozen(); content = value; }
    }
    
    TextLocation startLocation;
    public override TextLocation StartLocation {
      get { 
        return startLocation;
      }
    }
    
    TextLocation endLocation;
    public override TextLocation EndLocation {
      get {
        return endLocation;
      }
    }
    
    public Comment (string content, CommentType type = CommentType.SingleLine)
    {
      this.CommentType = type;
      this.Content = content;
    }
    
    public Comment (CommentType commentType, TextLocation startLocation, TextLocation endLocation)
    {
      this.CommentType = commentType;
      this.startLocation = startLocation;
      this.endLocation = endLocation;
    }
    
    public override void AcceptVisitor (IAstVisitor visitor)
    {
      visitor.VisitComment (this);
    }
      
    public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
    {
      return visitor.VisitComment (this);
    }
    
    public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
    {
      return visitor.VisitComment (this, data);
    }
    
    protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
    {
      Comment o = other as Comment;
      return o != null && this.CommentType == o.CommentType && MatchString(this.Content, o.Content);
    }
  }
}