local function covert2LuaString(str)
	return string.toLuaString(str);
	
end;

local function getGlobalValueName(func)
	for k, v in pairs(_G) do
		if v == func then
			return k;
		end
	end
	
	return nil;
end;

local function eval2FuncString(exp, isInteger)
	
	if exp == "" then
		return "emptyFunction";
	end;
	
	local bNeedLoadEnv = true;
	local x_n = 0;
	for i = 1, 20 do
		if string.find(exp, "x" .. i) then
			x_n = i;
		end
	end
	
	local paramString = "";
	for i = 1, x_n do
		if i == 1 then
			paramString = paramString .. "x" .. i;
		else
			paramString = paramString .. ", x" .. i;
		end
	end
	
	local expString;
	
	if x_n == 0 then
		bNeedLoadEnv = isInteger;
		if tonumber(exp) then
			expString = "(" .. exp .. ")";
		else
			--expString = "(\"" .. exp .. "\")";
			if isInteger then
				return "toInterEval(" .. covert2LuaString(exp) .. ")";
			else
				return "toEval(" .. covert2LuaString(exp) .. ")";
			end
		end
	else
		expString = "(" .. exp .. ")";
	end;
	
	
	if isInteger then
		expString = "Math.ceil" .. expString;
	end

	local ret;
	if bNeedLoadEnv then
		local envString = "";
		for i , v in pairs(ServerScriptEnv) do
			envString = envString .. "local " .. i .. " = ServerScriptEnv." .. i .. "; ";
		end
		ret = string.format("function(%s)%s local ret = %s; return ret; end", paramString, envString, expString);
	else
		ret = string.format("function(%s)  return %s; end", paramString, expString);
	end;
	
	
	return ret;
end;

-- 解析配置文件的一行数据
local function buildConfigString(skill, desc)
	local str = "";
	
	for k, v in pairsByKeys(skill) do
		local keyString;
		if type(k) == "number" then
			keyString = tostring(k);
		else
			keyString = "\"" .. tostring(k) .. "\"";
		end;
		
		local valueType = type(v);
		if valueType == "number" then
			str = str .. string.format("[%s] = %s;\n", keyString, tostring(v));
		elseif valueType == "string" then	
			str = str .. string.format("[%s] = %s;\n", keyString, covert2LuaString(v));
		elseif valueType == "boolean" then
			str = str .. string.format("[%s] = %s;\n", keyString, tostring(v));
		elseif valueType == "table" then
			if type(v.exp) == "string" then
				local func = desc.Mapping[k];
				local funcString;
				if func == toEval then
					funcString = eval2FuncString(v.exp, false);
				elseif func == toInterEval then
					funcString = eval2FuncString(v.exp, true);
				else
					error("暂时不支持的函数类型 " ..  tostring(getGlobalValueName(func)));
				end;
				str = str .. string.format("[%s] = %s;\n", keyString, funcString);
				
				--[[
				local func = desc.Mapping[k];
				local funcString = getGlobalValueName(func);
				if not funcString then
					error("无法识别的转换函数");
				end
				
				local luaString = covert2LuaString(v.exp);
				str = str .. string.format("[%s] = %s(%s);\n", keyString, funcString, luaString);
				]]
			else
				str = str .. string.format("[%s] = \n{\n", keyString);
				str = str .. buildConfigString(v, desc);
				str = str .. "\n};\n";
			end;
		elseif valueType == "userdata" then
			if tolua.type(v) == "CCPoint" then
				str = str .. string.format("[%s] = ccp(%s, %s);\n", keyString, tostring(v.x), tostring(v.y));
			elseif tolua.type(v) == "ccColor3B" then
				str = str .. string.format("[%s] = ccc3(%d, %d, %d);\n", keyString, v.r, v.g, v.b);
			end
		elseif valueType == "function" then
			print("发现一个函数需要处理");
			local funcString = getGlobalValueName(v);
			assert(funcString, "指向的函数不在_G内");
			str = str .. string.format("[%s] = %s;\n", keyString, funcString);
		else			
			error("无法识别的类型 " .. keyString .. " 类型为" .. valueType);
		end
		
	end
	return str;
end;

-- 解析一个配置文件
function saveLuaXMLConfig(config, configDesc, filename)
	print("序列化配置" , filename)

	local file = io.open(filename, "wb");
	if file then
		file:write([[local t = {};]] .. '\n');

		local defSecKey = configDesc.DefaultSecondKey;
		if  defSecKey then
				
			local keyString;
			if type(defSecKey) == "number" then
				keyString = tostring(defSecKey);
			else
				keyString = "\"" .. tostring(defSecKey) .. "\"";
			end;
			
			local str = [[

local function secDefaultData(self, key)
	if key == "get" then
		return function(s , kk)
			return rawget(s , kk);
		end
	end
	
	local value = rawget(self, key);
	if value then
		return value; 
	else
		print("找不到配置[" .. "%s" .. "]键为[" ..tostring(key) .. "]的值，将使用默认键[" .. %s .. "]代替");
		return rawget(self, %s);
	end;
end

]];
			
			str = string.format(str, configDesc.XMLFile, keyString, keyString);
			file:write(str);
		end;

		for KeyName, skill in pairsByKeys(config) do
			if type(skill) == "table" then
				
				local keyString;
				if type(KeyName) == "number" then
					keyString = "t[" .. KeyName .. "]";
				else
					keyString = "t[\"" .. KeyName .. "\"]";
				end;
				file:write(keyString .. " = \n{\n");
				local str = buildConfigString(skill, configDesc, true);
				
			
				file:write(str);
				file:write("\n};\n");
				
				
				if  defSecKey then
					str = string.format([[setmetatable(%s, {__index = secDefaultData});]] .. "\n", keyString);
					file:write(str);
				end;
			elseif type(skill) == "function" then
				print(filename, KeyName);
				print("发现一个函数需要处理");
				
				if type(KeyName) == "number" then
					file:write("t[" .. KeyName .. "] = ");
				else
					file:write("t[\"" .. KeyName .. "\"] = ");
				end;
				
				local funcString = getGlobalValueName(skill);
				assert(funcString, "指向的函数不在_G内");
				local str = string.format("%s;\n", funcString);
				file:write(str);
			else
				error("无法识别的类型 " .. KeyName .. " 类型为" .. type(skill));
			end;
		end
		
		local defaultKey = configDesc.DefaultKey;
		
		if defaultKey then
			local keyString;
			if type(defaultKey) == "number" then
				keyString = tostring(defaultKey);
			else
				keyString = "\"" .. tostring(defaultKey) .. "\"";
			end;
			
			local str = string.format([[
				
local method =
{
	
};

local function defaultData(self, key)
	
	if method[key] then
		return method[key];
	end;
	
	local value = rawget(self, key);
	if value then
		return value; 
	else
		print("找不到配置[" .. "%s" .. "]键为[" ..tostring(key) .. "]的值，将使用默认键[" .. %s .. "]代替");
		return rawget(self, %s);
	end
end;

function method:get(key)
	return rawget(t , key);
end;
				]], configDesc.XMLFile, keyString, keyString);
			
			file:write(str);
				
			file:write("\n");
			file:write([[setmetatable(t, {__index = defaultData});]]);
			file:write("\n");
		else

			local str =[[
				
local method =
{
	
};

local function defaultData(self, key)
	
	if method[key] then
		return method[key];
	end;
end;

function method:get(key)
	return rawget(t , key);
end;
				]];
			
			file:write(str);
				
			file:write("\n");
			file:write([[setmetatable(t, {__index = defaultData});]]);
			file:write("\n");
		end
		
		file:write([[return t;]]);
		file:close();
	end;
end;



function loadLuaXMLConfig(filename , configDesc)
	if configDesc.postload then
		table.insert(g_allXMLPostload , configDesc.postload)
	end
	print("读取lua配置" , filename)
	local data = cc.FileUtils:getInstance():readData(filename);
	local uncompressData = lzma.uncompress(data);

	local n,r = loadstring(uncompressData);
	if n == nil then
		error("载入文件" .. tostring(filename) .. "时出错" .. r);
	end
	local luaCfg = n();

	local mt = getmetatable(luaCfg);
	if mt then
		local oldIndex = mt.__index;
		mt.__index = function(self, key)
			if key == "LuaFile" then
				return filename;
			elseif key == "XmlFile" then
				print("configDesc.XMLFile" , configDesc.XMLFile);
				return configDesc.XMLFile;
			end
			return oldIndex(self , key);
		end
	end
	return luaCfg;
end;