// Copyright (c) 2007 Omer Rauchwerger (a.k.a rauchy) (omer@rauchy.net)
// All rights reserved.
//
// This file is part of Regionerate.
// 
// This program is free software; you can redistribute it and/or modify it 
// under the terms of the GNU General Public License as published by 
// the Free Software Foundation; either version 3 of the License, 
// or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

using System.Collections.Generic;
using System.IO;
using System.Xml;

namespace Rauchy.Regionerate.ServiceLayer.Components.Projects
{
    /// <summary>
    /// Provides access to the names of the compiled files in a C# project file.
    /// </summary>
    public class CSharpProject : Project
    {
        #region Fields (1)

        private readonly string _projectPath;

        #endregion

        #region Constructors (1)

        /// <summary>
        /// Initializes a new instance of the <see cref="CSharpProject"/> class.
        /// </summary>
        /// <param name="path">The path.</param>
        public CSharpProject( string path ) : base( path )
        {
            _projectPath = path;
        }

        #endregion

        #region Methods (1)

        public override IEnumerator<Document> GetEnumerator()
        {
            string projectDirectory = Path.GetDirectoryName( _projectPath );

            XmlNamespaceManager namespaceManager = new XmlNamespaceManager( ProjectFile.NameTable );
            string namespaceUri = "http://schemas.microsoft.com/developer/msbuild/2003";
            namespaceManager.AddNamespace( "ms", namespaceUri );

            string query = "ms:Project/ms:ItemGroup/ms:Compile/@Include";
            XmlNodeList nodes = ProjectFile.SelectNodes( query, namespaceManager );
            foreach ( XmlNode node in nodes )
            {
                string fileName = node.Value;
                string filePath = Path.Combine( projectDirectory, fileName );
                Document document = new FileDocument( filePath );
                yield return document;
            }
        }

        #endregion
    }
}