mirror of
https://git.shadowkat.net/izaya/OC-PsychOS2.git
synced 2024-11-21 19:44:21 -05:00
move libraries out of main dist and into PsychOSPackages
This commit is contained in:
XeonSquared
parent
92084e8c90
commit
b82bb2a853
@ -1,69 +0,0 @@
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local preproc = {}
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preproc.directives = {}
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function preproc.parsewords(line) -- string -- table -- Returns a table of words from the string *line*, parsing quotes and escapes.
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local rt = {""}
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local escaped, quoted = false, false
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for c in line:gmatch(".") do
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if escaped then
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rt[#rt] = rt[#rt]..c
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elseif c == '"' or c == "'" then
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quoted = not quoted
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elseif c == "\\" then
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escaped = true
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elseif c:match("%s") and not quoted and rt[#rt]:len() > 0 then
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rt[#rt+1] = ""
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else
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rt[#rt] = rt[#rt]..c
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end
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end
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return rt
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end
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function preproc.line(line) -- string -- -- Returns either a function - which can be called to get lines until it returns nil - or a string from processing *line* using preprocessor directives.
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if line:match("^%-%-#") then
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local directive, args = line:match("^%-%-#(%S+)%s(.+)")
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print(directive,args)
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local args = preproc.parsewords(args)
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if preproc.directives[directive] then
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return preproc.directives[directive](table.unpack(args))
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else
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error("unknown preprocessor directive: "..directive)
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end
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else
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return line
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end
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end
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function preproc.preproc(...) -- string -- string -- Returns the output from preprocessing the files listed in *...*.
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local tA = {...}
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local output = ""
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for _,fname in ipairs(tA) do
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local f,e = io.open(fname)
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if not f then error("unable to open file "..fname..": "..e) end
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for line in f:lines() do
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local r = preproc.line(line)
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if type(r) == "function" then
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while true do
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local rs = r()
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if not rs then break end
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output = output .. rs .. "\n"
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end
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else
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output = output .. r .. "\n"
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end
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end
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end
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return output
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end
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preproc.directives.include = preproc.preproc
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return setmetatable(preproc,{__call=function(_,...)
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local tA = {...}
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local out = table.remove(tA,#tA)
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local f,e = io.open(out,"wb")
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if not f then error("unable to open file "..out..": "..e) end
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f:write(preproc.preproc(table.unpack(tA)))
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f:close()
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end})
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114
lib/unionfs.lua
114
lib/unionfs.lua
@ -1,114 +0,0 @@
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local unionfs = {}
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local function normalise(path)
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return table.concat(fs.segments(path),"/")
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end
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function unionfs.create(...) -- string -- table -- Returns a unionfs object of the directories specified in *...*.
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local paths,fids,fc = {...}, {}, 0
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for k,v in pairs(paths) do
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paths[k] = "/"..normalise(v)
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end
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local proxy = {}
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local function realpath(path)
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path = path or ""
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for k,v in pairs(paths) do
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if fs.exists(v.."/"..path) then
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return v.."/"..path
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end
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end
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return paths[1].."/"..path
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end
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function proxy.setLabel()
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return false
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end
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function proxy.spaceUsed()
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return fs.spaceUsed(paths[1])
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end
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function proxy.spaceTotal()
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return fs.spaceTotal(paths[1])
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end
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function proxy.isReadOnly()
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return fs.isReadOnly(paths[1])
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end
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function proxy.isDirectory(path)
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return fs.isDirectory(realpath(path))
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end
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function proxy.lastModified(path)
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return fs.lastModified(realpath(path))
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end
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function proxy.getLabel()
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return fs.getLabel(paths[1])
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end
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function proxy.exists(path)
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return fs.exists(realpath(path))
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end
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function proxy.remove(path)
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return fs.remove(realpath(path))
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end
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function proxy.size(path)
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return fs.size(realpath(path))
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end
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function proxy.list(path)
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local nt,rt = {},{}
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if #fs.segments(path) < 1 then
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for k,v in pairs(paths) do
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for l,m in ipairs(fs.list(v.."/"..path)) do
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nt[m] = true
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end
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end
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for k,v in pairs(nt) do
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rt[#rt+1] = k
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end
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table.sort(rt)
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return rt
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else
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return fs.list(realpath(path))
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end
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end
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function proxy.open(path,mode)
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local fh, r = fs.open(realpath(path),mode)
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if not fh then return fh, r end
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fids[fc] = fh
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fc = fc + 1
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return fc - 1
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end
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function proxy.close(fid)
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if not fids[fid] then
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return false, "file not open"
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end
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local rfh = fids[fid]
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fids[fid] = nil
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return rfh:close()
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end
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function proxy.write(fid,d)
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if not fids[fid] then
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return false, "file not open"
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end
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return fids[fid]:write(d)
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end
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function proxy.read(fid,d)
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if not fids[fid] then
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return false, "file not open"
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end
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local rb = fids[fid]:read(d)
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if rb == "" then rb = nil end
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return rb
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end
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function proxy.seek(fid,d)
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if not fids[fid] then
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return false, "file not open"
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end
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return fids[fid]:seek(d)
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end
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return proxy
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end
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return unionfs
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