genesis-3d_engine/Engine/script/guilibrary/FString.cs

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
using System;
using System.Collections.Generic;
using System.Text;

namespace ScriptGUI
{
    /// <summary>
    /// HashID类
    /// </summary>
    public struct HashID
    {
        private HashID(Int32 value)
        {
            id = value;
        }
        /// <summary>
        /// 判断两个哈希值是否相等
        /// </summary>
        /// <param name="ls">哈希值</param>
        /// <param name="rs">哈希值</param>
        /// <returns>相等true，不相等false</returns>
        public static bool operator ==(HashID ls, HashID rs)
        {
            return ls.id == rs.id;
        }
        /// <summary>
        /// 判断两个哈希值是否不等
        /// </summary>
        /// <param name="ls">哈希值</param>
        /// <param name="rs">哈希值</param>
        /// <returns>不相等true，相等false</returns>
        public static bool operator !=(HashID ls, HashID rs)
        {
            return ls.id != rs.id;
        }
        /// <summary>
        /// 隐式操作符
        /// </summary>
        /// <param name="hash_id">整型哈希值</param>
        /// <returns>哈希码</returns>
        public static implicit operator HashID(int hash_id)
        {
            return new HashID(hash_id);
        }
        /// <summary>
        /// 判断对象哈希值是否相等
        /// </summary>
        /// <param name="obj">指定的对象</param>
        /// <returns>相等true，不相等false</returns>
        public override bool Equals(object obj)
        {
            return ((obj is HashID) && (this == ((HashID)obj)));
        }
        /// <summary>
        /// 获得哈希值
        /// </summary>
        /// <returns>哈希值</returns>
        public override int GetHashCode()
        {
            return id;
        }

        private Int32 id;
    }
    /// <summary>
    /// 自定义字符串类
    /// </summary>
    public class FString
    {
        private FString(String str, HashID id)
        {
            mName = str;
            mID = id;
        }
        /// <summary>
        /// 创建一个FString
        /// </summary>
        /// <param name="str">字符串</param>
        /// <returns>创建后的FString</returns>
        public static FString CreateString(String str)
        {
            if (null == str)
            {
                return null;
            }
            HashID id = str.GetHashCode();
            return new FString(str, id);
        }
        /// <summary>
        /// 创建一个FString
        /// </summary>
        /// <param name="hash_id">哈希码</param>
        /// <returns>创建后的FString</returns>
        public static FString CreateString(HashID hash_id)
        {
            return new FString(null, hash_id);
        }
        /// <summary>
        /// 隐式操作符
        /// </summary>
        /// <param name="str">普通字符串</param>
        /// <returns>转换后的Fstring</returns>
        public static implicit operator FString(String str)
        {
            return CreateString(str);
        }
        /// <summary>
        /// 判断两个FString 是否相等
        /// </summary>
        /// <param name="ls">FString</param>
        /// <param name="rs">FString</param>
        /// <returns>相等true，不相等false</returns>
        internal static bool Equals(FString ls, FString rs)
        {
            if (ReferenceEquals(ls, null))
            {
                return ReferenceEquals(rs, null);
            }
            else if (ReferenceEquals(rs, null))
            {
                return false;
            }
            return (ls.mID == rs.mID);
        }
        /// <summary>
        /// 判断两个FString 是否相等
        /// </summary>
        /// <param name="ls">FString</param>
        /// <param name="rs">FString</param>
        /// <returns>相等true，不相等false</returns>
        public static bool operator ==(FString ls, FString rs)
        {
            return Equals(ls, rs);
        }
        /// <summary>
        /// 判断两个FString 是否不相等
        /// </summary>
        /// <param name="ls">FString</param>
        /// <param name="rs">FString</param>
        /// <returns>不相等true，相等false</returns>
        public static bool operator !=(FString ls, FString rs)
        {
            return !Equals(ls, rs);
        }
        /// <summary>
        /// 判断对象的FString是否相等
        /// </summary>
        /// <param name="obj">指定的对象</param>
        /// <returns>相等true，不相等false</returns>
        public override bool Equals(object obj)
        {

            return (obj is FString) && (this == (obj as FString));
        }
        /// <summary>
        /// 获取哈希码
        /// </summary>
        /// <returns>哈希码</returns>
        public override int GetHashCode()
        {
            return mID.GetHashCode();
        }

        public override string ToString()
        {
            return mName;
        }

        public FString GetCopy()
        {
            return CreateString(mName);
        }



        internal String Name
        {
            get
            {
                return mName;
            }
        }

        private HashID mID;
        private String mName;

        //private static Dictionary<HashID, FString> mStringTable = new Dictionary<HashID, FString>();
    }
    
}