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//
// ProjectCommentElement.cs
//
// Author:
//   Leszek Ciesielski (skolima@gmail.com)
//
// (C) 2011 Leszek Ciesielski
//
// 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.
//

using System;
using System.Xml;

namespace Microsoft.Build.Construction
{
        internal class ProjectCommentElement : ProjectElement
        {
                internal ProjectCommentElement (ProjectRootElement containingProject)
                {
                        ContainingProject = containingProject;
                }

                string comment;
                public string Comment { get { return comment ?? String.Empty; } set { comment = value; } }

                internal override string XmlName {
                        get { return String.Empty; }
                }

                internal override void Load (XmlReader reader)
                {
                        LoadValue (reader);
                }

                internal override void LoadAttribute (string name, string value)
                {
                }

                internal override void LoadValue (XmlReader reader)
                {
                        if (reader.NodeType == XmlNodeType.Comment) {
                                Comment = reader.Value;
                        }
                }

                internal override void Save (XmlWriter writer)
                {
                        this.SaveValue (writer);
                }

                internal override void SaveValue (XmlWriter writer)
                {
                        if (!String.IsNullOrEmpty (Comment)) {
                                writer.WriteComment (Comment);
                        }
                }
        }
}