// 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;

namespace Rauchy.Regionerate.ServiceLayer.Components.Tools
{
    /// <summary>
    /// Removes whitespace from the specified code.
    /// </summary>
    /// <param name="code">The code.</param>
    /// <returns>The same code blocks, without the unwanted whitespace.</returns>
    /// <exception cref="ArgumentNullException">
    /// Thrown when <c>code</c> is <c>null</c>.
    /// </exception>
    /// <remarks>
    /// Handles type-level whitespace only, does not remove method-level or property-level whitespace.
    /// </remarks>
    public sealed class WhitespaceRemover : TypeCodeTextRemover
    {
        #region Methods (1)

        /// <summary>
        /// Determines wether a line, when not placed in a method or property (or such), should be removed.
        /// </summary>
        /// <remarks>
        /// If the line is completely empty, it should be removed.
        /// </remarks>
        /// <param name="line">The line.</param>
        protected override bool ShouldRemove( string line )
        {
            return ( line.Trim().Length == 0 );
        }

        #endregion
    }
}