CodeContainerBase.cs

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/*
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * This file is part of the lwIP TCP/IP stack.
 *
 * Author: Martin Hentschel <info@cl-soft.de>
 *
 */

using System.Collections.Generic;
using System;

namespace CCodeGeneration
{
    public class CodeContainerBase: CodeElement
    {
        private readonly List<CodeElement> declarations = new List<CodeElement>();
        private readonly List<CodeElement> innerElements = new List<CodeElement>();
        private bool increaseLevel = true;

        public List<CodeElement> Declarations
        {
            get { return this.declarations; }
        }

        public List<CodeElement> InnerElements
        {
            get { return this.innerElements; }
        }

        protected bool IncreaseLevel
        {
            get { return this.increaseLevel; }
            set { this.increaseLevel = value; }
        }

        public void AddElements(IList<CodeElement> elements, params CodeElement[] spacerElements)
        {
            if (elements != null)
            {
                if ((spacerElements == null) || (spacerElements.Length == 0))
                {
                    this.innerElements.AddRange(elements);
                }
                else
                {
                    bool spacerAdded = false;

                    foreach (CodeElement element in elements)
                    {
                        this.innerElements.Add(element);
                        this.innerElements.AddRange(spacerElements);
                        spacerAdded = true;
                    }

                    if (spacerAdded)
                    {
                        // remove last spacer again
                        this.innerElements.RemoveRange(this.innerElements.Count - spacerElements.Length, spacerElements.Length);
                    }                   
                }
            }
        }
 
        public CodeElement AddElement(CodeElement element)
        {
            if (element != null)
            {
                this.innerElements.Add(element);
            }

            return element;
        }

        public Code AddCode(string code)
        {
            return this.AddElement(new Code(code)) as Code;
        }

        public Code AddCodeFormat(string codeFormat, params object[] args)
        {
            return this.AddElement(new Code(String.Format(codeFormat, args))) as Code;
        }

        public CodeElement AddDeclaration(CodeElement declaration)
        {
            if (declaration != null)
            {
                this.declarations.Add(declaration);
            }

            return declaration;
        }

        public override void GenerateCode(int level, CGenerator generator)
        {
            if (this.increaseLevel)
                level++;

            if (this.declarations.Count > 0)
            {
                foreach (CodeElement element in this.declarations)
                {
                    element.GenerateCode(level, generator);
                }

                EmptyLine.SingleLine.GenerateCode(level, generator);
            }

            foreach (CodeElement element in this.innerElements)
            {
                element.GenerateCode(level, generator);
            }
        }
    }
}