obs-studio/libobs-opengl/GL/tablewriter.lua

74 lines
1.9 KiB
Lua

--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, }