begdeduce.cs

利用产生式推理识别若干动物

using System;
using System.Messaging;

namespace createDeduce
{
	/// <summary>
	/// BegDeduce 的摘要说明。
	/// </summary>
	/// 
	public class BegDeduce
	{
		private Rule rules;
		private Real reals;
		public BegDeduce(Rule ru,Real re)
		{
			rules=ru;
			reals=re;
		}
		public void beginDeduce()
		{
			while(!IsEnd())
			{
				Rule rp=RuleWarehouse.FirstRule.nextRule;
				while(rp!=null)
				{
					if(!rp.IsVisit&&martch(rp.Condition))
					{
						RealWarehouse.addReal(rp.Dicision,rp.RuleFlag);
						rp.IsVisit=true;
						break;
					}
					rp=rp.nextRule;
				}
			}
		}

		public bool IsEnd()
		{
			Rule rp=RuleWarehouse.FirstRule.nextRule;
			Real cp=RealWarehouse.FirstReal.nextReal;
			while(rp!=null)
			{
				if(!rp.IsVisit&&martch(rp.Condition))
					return false;
				rp=rp.nextRule;
			}
			return true;
		}

		public bool judge()
		{
			Real x=reals.nextReal;
			while(x!=null)
			{
				if(x.RealFlag==true)
					return true;
				x=x.nextReal;
			}
			return false;
		}

		public static bool IsEqual(string str,string sub)
		{
			char []ch=sub.ToCharArray();
			bool flag=true;
			for(int i=0;i<ch.Length;i++)
			{
				if(str.IndexOf(ch[i])==-1)
				{
					flag=false;
					break;
				}
			}
			if(flag&&(str.IndexOf("无")!=-1||str.IndexOf("没有")!=-1||str.IndexOf("未")!=-1||str.IndexOf("不")!=-1||str.IndexOf("否")!=-1)&&(sub.IndexOf("无")==-1&&sub.IndexOf("没有")==-1&&sub.IndexOf("未")==-1&&sub.IndexOf("不")==-1&&sub.IndexOf("否")==-1))
				flag=false;
			return flag;
		}

		public bool martch(string stri)
		{
			Real Cindex=reals.nextReal;
			string str=stri;
			string ss=str;
			bool flag=true;
			while(str.Length!=0)
			{
				Cindex=reals.nextReal;
				int index=str.IndexOf(",");
				if(index!=-1)
				{
					ss=str.Substring(0,index);
					str=str.Remove(0,index+1);
				}
				else
				{
					ss=str;
					str="";
				}
				while(Cindex!=null)
				{
					if(!IsEqual(ss,Cindex.Condition))
					//if(ss!=Cindex.Condition)
					{
						Cindex=Cindex.nextReal;
						flag=false;
						continue;
					}
					else
					{
						flag=true;
						break;
					}
				}
				if(flag==false)
					return false;
			}			
			return flag;
		}
	}
}