mirror of
https://github.com/ShadowKatStudios/OC-Minitel.git
synced 2024-11-23 10:38:05 +11:00
94 lines
2.1 KiB
Lua
94 lines
2.1 KiB
Lua
fs = {}
|
|
fs.mounts = {}
|
|
|
|
-- basics
|
|
function fs.segments(path)
|
|
local segments = {}
|
|
for segment in path:gmatch("[^/]+") do
|
|
segments[#segments+1] = segment
|
|
end
|
|
return segments
|
|
end
|
|
function fs.resolve(path)
|
|
local segments, rpath = fs.segments(path), "/"
|
|
for i = 2, #segments do
|
|
rpath = rpath .. segments[i] .. "/"
|
|
end
|
|
rpath = rpath:match("(.+)/") or rpath
|
|
return segments[1],rpath
|
|
end
|
|
|
|
-- generate some simple functions
|
|
for k,v in pairs({"makeDirectory","exists","isDirectory","list","lastModified","remove","size","spaceUsed","isReadOnly","getLabel"}) do
|
|
fs[v] = function(path)
|
|
local fsi,path = fs.resolve(path)
|
|
return fs.mounts[fsi][v](path)
|
|
end
|
|
end
|
|
|
|
local function fread(self,length)
|
|
if length == "*a" then
|
|
length = math.huge
|
|
end
|
|
local rstr, lstr = "", ""
|
|
repeat
|
|
lstr = fs.mounts[self.fs].read(self.fid,math.min(2^16,length-rstr:len())) or ""
|
|
rstr = rstr .. lstr
|
|
until rstr:len() == length or lstr == ""
|
|
return rstr
|
|
end
|
|
local function fwrite(self,data)
|
|
fs.mounts[self.fs].write(self.fid,data)
|
|
end
|
|
local function fclose(self)
|
|
fs.mounts[self.fs].close(self.fid)
|
|
end
|
|
|
|
function fs.open(path,mode)
|
|
mode = mode or "rb"
|
|
local fsi,path = fs.resolve(path)
|
|
if not fs.mounts[fsi] then return false end
|
|
local fid = fs.mounts[fsi].open(path,mode)
|
|
if fid then
|
|
local fobj = {["fs"]=fsi,["fid"]=fid,["close"]=fclose}
|
|
if mode:sub(1,1) == "r" then
|
|
fobj.read = fread
|
|
else
|
|
fobj.write = fwrite
|
|
end
|
|
return fobj
|
|
end
|
|
return false
|
|
end
|
|
|
|
function fs.copy(from,to)
|
|
local of = fs.open(from,"rb")
|
|
local df = fs.open(to,"wb")
|
|
if not of or not df then
|
|
return false
|
|
end
|
|
df:write(of:read("*a"))
|
|
df:close()
|
|
of:close()
|
|
end
|
|
|
|
function fs.rename(from,to)
|
|
local ofsi, opath = fs.resolve(from)
|
|
local dfsi, dpath = fs.resolve(to)
|
|
if ofsi == dfsi then
|
|
fs.mounts[ofsi].rename(opath,dpath)
|
|
return true
|
|
end
|
|
fs.copy(from,to)
|
|
fs.remove(from)
|
|
return true
|
|
end
|
|
|
|
fs.mounts.temp = component.proxy(computer.tmpAddress())
|
|
if computer.getBootAddress then
|
|
fs.mounts.boot = component.proxy(computer.getBootAddress())
|
|
end
|
|
for addr, _ in component.list("filesystem") do
|
|
fs.mounts[addr:sub(1,3)] = component.proxy(addr)
|
|
end
|