source: azure_iot_hub_f767zi/trunk/asp_baseplatform/lwip/contrib-2.1.0/apps/LwipMibCompiler/CCodeGeneration/VariableType.cs@ 457

/*
 * 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;
using System.Text;

namespace CCodeGeneration
{
        public enum ConstType
        {
                None,
                Value,
                Indirection,
                Both
        }

        public class VariableType : ICloneable
        {
                public const string VoidString = "void";
                public static readonly VariableType Void = new VariableType(null, "void");

                public string Name { get; set; }
                public string Type { get; set; }
                public string Indirection { get; set; }
                public ConstType Const { get; set; }
                public string ArraySpecifier { get; set; }

                public VariableType()
                {
                }

                public VariableType(string name, string type, string indirection = null, ConstType const_ = ConstType.None, string arraySpecifier = null)
                {
                        this.Name           = name;
                        this.Type           = type;
                        this.Indirection    = indirection;
                        this.Const          = const_;
                        this.ArraySpecifier = arraySpecifier;
                }

                public void GenerateCode(CGenerator generator)
                {
                        if (!String.IsNullOrWhiteSpace(this.Type))
                        {
                                generator.OutputStream.Write(this.ToString().Trim());
                        }
                }

                public override string ToString()
                {
                        if (!String.IsNullOrWhiteSpace(this.Type))
                        {
                                StringBuilder vt = new StringBuilder();

                                if ((this.Const == ConstType.Value) || (this.Const == ConstType.Both))
                                {
                                        vt.Append("const ");
                                }

                                vt.Append(this.Type);
                                vt.Append(" ");

                                if (!String.IsNullOrWhiteSpace(this.Indirection))
                                {
                                        vt.Append(this.Indirection);
                                }

                                if ((this.Const == ConstType.Indirection) || (this.Const == ConstType.Both))
                                {
                                        vt.Append("const ");
                                }

                                if (!String.IsNullOrWhiteSpace(this.Name))
                                {
                                        vt.Append(this.Name);
                                }

                                if (this.ArraySpecifier != null)
                                {
                                        vt.Append("[");
                                        vt.Append(this.ArraySpecifier);
                                        vt.Append("]");
                                }

                                return vt.ToString().Trim();
                        }

                        return base.ToString();
                }

                #region ICloneable Member

                public object Clone()
                {
                        // we only have value types as members -> simply use .net base function
                        return this.MemberwiseClone();
                }

                #endregion
        }
}