tableentry.cs

PDF文件格式解析库源代码

using System;
using System.Collections.Generic;
using System.Text;

namespace QiHe.CodeLib.Compress.LempelZivWelch
{
    public struct TableEntry
    {
        public int RefIndex;
        public int Symbol;

        public TableEntry(int symbol)
        {
            Symbol = symbol;
            RefIndex = -1;
        }

        public TableEntry(int symbol, int refIdnex)
        {
            Symbol = symbol;
            RefIndex = refIdnex;
        }

        public override bool Equals(object obj)
        {
            return this.Symbol == ((TableEntry)obj).Symbol
                && this.RefIndex == ((TableEntry)obj).RefIndex;
        }

        public override int GetHashCode()
        {
            if (RefIndex != -1)
            {
                return RefIndex + Symbol;
            }
            else
            {
                return -Symbol;
            }
        }

        public override string ToString()
        {
            return String.Format("{0}+{1}", RefIndex, Symbol);
        }
    }
}