string/table扩展模块新增几个方法用于数据打包/解包

Zframework/stringExtend.lua

@@ -1,3 +1,4 @@
+local data=love.data
 local STRING={}
 local int,format=math.floor,string.format
 local find,sub,upper=string.find,string.sub,string.upper
@@ -16,10 +17,10 @@ do--function STRING.shiftChar(c)
 	end
 end
 
-function STRING.trim(str)
-	if not str:find("%S")then return""end
-	str=str:sub((str:find("%S"))):reverse()
-	return str:sub((str:find("%S"))):reverse()
+function STRING.trim(s)
+	if not s:find("%S")then return""end
+	s=s:sub((s:find("%S"))):reverse()
+	return s:sub((s:find("%S"))):reverse()
 end
 
 function STRING.split(s,sep,regex)
@@ -63,16 +64,16 @@ function STRING.time(s)
 	end
 end
 
-do--function STRING.urlEncode(str)
+do--function STRING.urlEncode(s)
 	local rshift=bit.rshift
 	local b16={[0]='0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}
-	function STRING.urlEncode(str)
+	function STRING.urlEncode(s)
 		local out=""
-		for i=1,#str do
-			if str:sub(i,i):match("[a-zA-Z0-9]")then
-				out=out..str:sub(i,i)
+		for i=1,#s do
+			if s:sub(i,i):match("[a-zA-Z0-9]")then
+				out=out..s:sub(i,i)
 			else
-				local b=str:byte(i)
+				local b=s:byte(i)
 				out=out.."%"..b16[rshift(b,4)]..b16[b%16]
 			end
 		end
@@ -80,4 +81,25 @@ do--function STRING.urlEncode(str)
 	end
 end
 
+function STRING.packBin(s)
+	return data.encode('string','base64',data.compress('string','zlib',s))
+end
+function STRING.packText(s)
+	return data.encode('string','base64',data.compress('string','gzip',s))
+end
+function STRING.unpackBin(str)
+	local res
+	res,str=pcall(data.decode,'string','base64',str)
+	if not res then return end
+	res,str=pcall(data.decompress,'string','zlib',str)
+	if res then return str end
+end
+function STRING.unpackText(str)
+	local res
+	res,str=pcall(data.decode,'string','base64',str)
+	if not res then return end
+	res,str=pcall(data.decompress,'string','gzip',str)
+	if res then return str end
+end
+
 return STRING

Zframework/tableExtend.lua

@@ -1,3 +1,4 @@
+local data=love.data
 local next,type=next,type
 local TABLE={}
 
@@ -149,4 +150,54 @@ do--function TABLE.dump(L,t)
 	TABLE.dump=dump
 end
 
+--Dump a simple lua table (no whitespaces)
+do--function TABLE.dumpDeflate(L,t)
+	local find=string.find
+	local function dump(L)
+		local s="return{"
+		if type(L)~='table'then return end
+		local count=1
+		for k,v in next,L do
+			local T=type(k)
+			if T=='number'then
+				if k==count then
+					k=""
+					count=count+1
+				else
+					k="["..k.."]="
+				end
+			elseif T=='string'then
+				if find(k,"[^0-9a-zA-Z_]")then
+					k="[\""..k.."\"]="
+				else
+					k=k.."="
+				end
+			elseif T=='boolean'then k="["..k.."]="
+			else error("Error key type!")
+			end
+			T=type(v)
+			if T=='number'then v=tostring(v)
+			elseif T=='string'then v="\""..v.."\""
+			elseif T=='table'then v=dump(v)
+			elseif T=='boolean'then v=tostring(v)
+			else error("Error data type!")
+			end
+		end
+		return s.."}"
+	end
+	TABLE.dumpDeflate=dump
+end
+
+function TABLE.pack(t)
+	return STRING.packText(TABLE.dumpDeflate(t))
+end
+
+function TABLE.unpack(s)
+	s=loadstring(STRING.unpackText(s))
+	if s then
+		setfenv(s,{})
+		return s()
+	end
+end
+
 return TABLE

parts/data.lua

@@ -93,7 +93,7 @@ function DATA.copyBoard(page)--Copy the [page] board
 		end
 		str=str..S
 	end
-	return data.encode('string','base64',data.compress('string','zlib',str))
+	return STRING.packBin(str)
 end
 function DATA.copyBoards()
 	local out={}
@@ -108,12 +108,8 @@ function DATA.pasteBoard(str,page)--Paste [str] data to [page] board
 	local F=FIELD[page]
 
 	--Decode
-	local res
-	str=STRING.trim(str)
-	res,str=pcall(data.decode,'string','base64',str)
-	if not res then return end
-	res,str=pcall(data.decompress,'string','zlib',str)
-	if not res then return end
+	str=STRING.unpackBin(str)
+	if not str then return end
 
 	local fX,fY=1,1--*ptr for Field(r*10+(c-1))
 	local p=1

parts/scenes/savedata.lua

@@ -1,15 +1,7 @@
 local scene={}
 
 local function dumpCB(T)
-	love.system.setClipboardText(
-		love.data.encode(
-			'string','base64',
-			love.data.compress(
-				'string','zlib',
-				TABLE.dump(T)
-			)
-		)
-	)
+	love.system.setClipboardText(STRING.packText(TABLE.dump(T)))
 	LOG.print(text.exportSuccess,'message')
 end
 local function parseCB()
@@ -17,10 +9,8 @@ local function parseCB()
 	local s=love.system.getClipboardText()
 
 	--Decode
-	_,s=pcall(love.data.decode,'string','base64',s)
-	if not _ then LOG.print(text.dataCorrupted,'error')return end
-	_,s=pcall(love.data.decompress,'string','zlib',s)
-	if not _ then LOG.print(text.dataCorrupted,'error')return end
+	s=STRING.unpackText(s)
+	if not s then LOG.print(text.dataCorrupted,'error')return end
 
 	s=loadstring(s)
 	if s then