#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab 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.
 *
 * HeuristicLab 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 HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.Linq;
using HeuristicLab.Core;
using HeuristicLab.GP.Interfaces;

namespace HeuristicLab.GP {
  public abstract class FunctionLibraryInjectorBase : OperatorBase {
    private const string FUNCTIONLIBRARY = "FunctionLibrary";

    public override string Description {
      get { return @"Descrption is missing."; }
    }

    public FunctionLibraryInjectorBase()
      : base() {
      AddVariableInfo(new VariableInfo(FUNCTIONLIBRARY, "Preconfigured default function library", typeof(FunctionLibrary), VariableKind.New));
    }

    public override IOperation Apply(IScope scope) {
      scope.AddVariable(new HeuristicLab.Core.Variable(scope.TranslateName(FUNCTIONLIBRARY), CreateFunctionLibrary()));
      return null;
    }

    protected abstract FunctionLibrary CreateFunctionLibrary();

    protected void SetAllowedSubOperators(IFunction f, IEnumerable<IFunction> gs) {
      for (int i = 0; i < f.MaxSubTrees; i++) {
        SetAllowedSubOperators(f, i, gs);
      }
    }

    protected void SetAllowedSubOperators(IFunction f, int i, IEnumerable<IFunction> gs) {
      foreach (var g in gs) {
        f.AddAllowedSubFunction(g, i);
      }
    }
  }
}