glLoadGen / tablewriter.lua

Jason McKesson 7ef35c4 








































































--This file exports a function, WriteTable, which takes a file stream
-- and a table to write.

local function WriteTabs(hFile, iRecursion)
	hFile:write(string.rep("\t", iRecursion));
end

local writeKey = {};

function writeKey.string(hFile, value, iRecursion)
	hFile:write("[\"", value, "\"]")
end

function writeKey.number(hFile, value, iRecursion)
	hFile:write("[", value, "]")
end

local writeValue = {};

function writeValue.string(hFile, value, iRecursion)
	hFile:write("[==[", value, "]==]")
end

function writeValue.number(hFile, value, iRecursion)
	hFile:write(value)
end

function writeValue.boolean(hFile, value, iRecursion)
	if(value) then hFile:write("true"); else hFile:write("false"); end;
end

function writeValue.table(hFile, outTable, iRecursion)
	if(iRecursion == nil) then iRecursion = 1; end
	
	hFile:write("{\n");
	
	local bHasArray = false;
	local arraySize = 0;
	
	if(#outTable > 0) then bHasArray = true; arraySize = #outTable; end;
	
	for key, value in pairs(outTable) do
		if(writeKey[type(key)] == nil) then print("Malformed table key."); return; end
		if(writeValue[type(value)] == nil) then
			print( string.format("Bad value in table: key: '%s' value type '%s'.", key, type(value)));
			return;
		end
		
		--If the key is not an array index, process it.
		if((not bHasArray) or
				(type(key) ~= "number") or
				not((1 <= key) and (key <= arraySize))) then
			WriteTabs(hFile, iRecursion);
			writeKey[type(key)](hFile, key, iRecursion + 1);
			hFile:write(" = ");
			writeValue[type(value)](hFile, value, iRecursion + 1);
			
			hFile:write(",\n");
		end
	end
	
	if(bHasArray) then
		for i, value in ipairs(outTable) do
			WriteTabs(hFile, iRecursion);
			writeValue[type(value)](hFile, value, iRecursion + 1);
			hFile:write(",\n");
		end
	end

	WriteTabs(hFile, iRecursion - 1);
	hFile:write("}");
end

return { WriteTable = function(hFile, outTable) writeValue.table(hFile, outTable) end, }
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