mirror of
https://git.shadowkat.net/izaya/OC-PsychOS2.git
synced 2024-11-14 08:50:00 -05:00
114 lines
3.3 KiB
Lua
114 lines
3.3 KiB
Lua
local doc = {}
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doc.searchers = {}
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doc.tctab = {
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["string"] = 31,
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["table"] = 32,
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["number"] = 33,
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["boolean"] = 35,
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["function"] = 36
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}
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function doc.parsefile(path) -- string -- table -- parses file from *path* to return a documentation table
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local fdoc = {}
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local f = io.open(path)
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local lines = {}
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for l in f:read("*a"):gmatch("[^\n]+") do
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if l:find("function") and not l:find("local") then
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lines[#lines+1] = l
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end
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end
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for k,v in pairs(lines) do
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local name, args, desc = v:match("function%s+(.+)%s*%((.*)%)%s*%-%-%s*(.+)")
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if name and args and desc then
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local fd = {["description"]=desc or desc,["args"]={},["atypes"]={}}
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for word in args:gmatch("[^%s,]+") do
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fd.args[#fd.args+1] = {word}
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fd.atypes[word] = "unknown"
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end
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local argtypes, outtypes, description = desc:match("(.-)%-%-(.-)%-%-%s*(.+)")
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if argtypes and outtypes and description then
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local wc = 1
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for word in argtypes:gmatch("%S+") do
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fd.args[wc][2] = word
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fd.atypes[fd.args[wc][1]] = word
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wc = wc + 1
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end
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local wc = 1
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for word in outtypes:gmatch("%S+") do
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fd.outtypes = fd.outtypes or {}
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fd.outtypes[#fd.outtypes+1] = word
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end
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fd.description = description
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end
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fdoc[name] = fd
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end
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end
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return fdoc
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end
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function doc.format(fdoc) -- table -- string -- returns VT100 formatted documentation from documentation table *fdoc*
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local rs = "" -- string to return
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for fname,finfo in pairs(fdoc) do
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if rs:len() > 0 then rs = rs .. "\n\n" end
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local as = "" -- string containing arguments for a given function, with colours for type
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for k,v in ipairs(finfo.args) do
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local c = doc.tctab[v[2]] or 0
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if k > 1 then
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as = as .. ", "
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end
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if v[2] then
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as = string.format("%s%s: \27[%im%s\27[0m",as,v[2],c,v[1])
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else
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as = string.format("%s\27[%im%s\27[0m",as,c,v[1])
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end
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end
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local rv = ""
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if finfo.outtypes then
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rv = ": "
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for k,v in ipairs(finfo.outtypes) do
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if k > 1 then
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rv = rv .. ", "
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end
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local c = doc.tctab[v] or 0
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rv = string.format("%s\27[%im%s\27[0m",rv,c,v)
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end
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end
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local nd = finfo.description
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for k,v in pairs(finfo.atypes) do
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local c = doc.tctab[v] or 7
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nd=nd:gsub("%*"..k.."%*","\27["..tostring(c).."m"..k.."\27[0m")
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end
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rs = string.format("%s\27[36m%s\27[0m(%s)%s\n%s",rs,fname,as,rv,nd)
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end
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return rs
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end
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function doc.searchers.lib(name) -- string -- string string -- Tries to find a documentation from a library with *name*. Returns either a string of documentation, or false and a reason.
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local lib = os.getenv("LIB") or "/boot/lib"
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local dt
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for d in lib:gmatch("[^\n]+") do
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if fs.exists(d.."/"..name) then
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dt = doc.parsefile(d.."/"..name)
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elseif fs.exists(d.."/"..name..".lua") then
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dt = doc.parsefile(d.."/"..name..".lua")
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end
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end
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if not dt then return false, "unable to find documentation for "..tostring(name) end
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return doc.format(dt)
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end
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function doc.docs(topic) -- string -- boolean -- Displays the documentation for *topic*, returning true, or errors. Also callable as just doc().
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local lib = os.getenv("LIB") or "/boot/lib"
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local dt
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for k,v in pairs(doc.searchers) do
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dt=v(topic)
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if dt then
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print(dt)
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return true
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end
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end
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error("unable to find documentation for "..tostring(name))
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end
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return setmetatable(doc,{__call=function(_,topic) return doc.docs(topic) end})
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