OC-PsychOS/modules/lib/buffer.lua

34 lines
571 B
Lua

_G.buffer = {}
function buffer.create(w,c) -- worker, close
local t={}
t.b=""
function t.w(s,d)
s.b=s.b..tostring(d)
end
t.write = t.w
function t.r(s,l)
if type(l) == "number" then
local ns,bs=s.b:sub(1,l+1),s.b:sub(l+2)
s.b=bs
return ns
elseif type(l) == "string" then
local oS=s.b
if l == "*a" then
s.b=""
return oS
elseif l == "*l" then
S=s.b:find("\n") or #s.b
s.b=s.b:sub(S+1)
rS = oS:sub(1,S-1)
if rS:len() < 1 then return nil end
return rS
end
end
end
t.read = t.r
t.close = c
w(t)
return t
end