114 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C#
		
	
			
		
		
	
	
			114 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C#
		
	
/*
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Copyright (c) 2015-2017 topameng(topameng@qq.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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using System;
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using System.Reflection;
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using System.Collections.Generic;
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namespace LuaInterface
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{
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    public static class LuaMethodCache
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    {
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        public static Dictionary<Type, Dictionary<string, List<MethodInfo>>> dict = new Dictionary<Type, Dictionary<string, List<MethodInfo>>>();
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        static MethodInfo GetMethod(Type t, string name, Type[] ts)
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        {
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            Dictionary<string, List<MethodInfo>> map = null;
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            List<MethodInfo> list = null;
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            if (!dict.TryGetValue(t, out map))
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            {
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                map = new Dictionary<string, List<MethodInfo>>();
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                dict.Add(t, map);
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            }
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            if (!map.TryGetValue(name, out list))
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            {
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                list = new List<MethodInfo>();
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                MethodInfo[] mds = t.GetMethods();
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                for (int i = 0; i < mds.Length; i++)
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                {
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                    if (mds[i].Name == name)
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                    {
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                        list.Add(mds[i]);
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                    }
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                }
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                map.Add(name, list);
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            }
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            if (list.Count == 1)
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            {
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                return list[0];
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            }
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            for (int i = 0; i < list.Count; i++)
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            {
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                ParameterInfo[] pis = list[i].GetParameters();
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                bool flag = true;
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                if (pis.Length == 0 && (ts == null || ts.Length == 0))
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                {
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                    return list[i];
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                }
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                else if (pis.Length == ts.Length)
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                {
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                    for (int j = 0; j < ts.Length; j++)
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                    {
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                        if (pis[j].ParameterType != ts[j])
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                        {
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                            flag = false;
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                            break;
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                        }
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                    }
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                    if (flag)
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                    {
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                        return list[i];
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                    }
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                }
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            }
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            return null;
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        }
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        public static object CallSingleMethod(string name, object obj, params object[] args)
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        {
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            MethodInfo md = GetMethod(obj.GetType(), name, null);
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            return md.Invoke(obj, args);
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        }
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        public static object CallMethod(string name, object obj, params object[] args)
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        {
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            Type[] ts = new Type[args.Length];
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            for (int i = 0; i < args.Length; i++)
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            {
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                ts[i] = args[i].GetType();
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            }
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            MethodInfo md = GetMethod(obj.GetType(), name, ts);
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            return md.Invoke(obj, args);
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        }
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    }
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}
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