File size: 2,159 Bytes
d7c5875 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | local _tl_compat; if (tonumber((_VERSION or ''):match('[%d.]*$')) or 0) < 5.3 then local p, m = pcall(require, 'compat53.module'); if p then _tl_compat = m end end; local ipairs = _tl_compat and _tl_compat.ipairs or ipairs; local package = _tl_compat and _tl_compat.package or package; local string = _tl_compat and _tl_compat.string or string; local table = _tl_compat and _tl_compat.table or table; local dir = {}
local dir_sep = package.config:sub(1, 1)
local function unquote(c)
local first, last = c:sub(1, 1), c:sub(-1)
if (first == '"' and last == '"') or
(first == "'" and last == "'") then
return c:sub(2, -2)
end
return c
end
function dir.split_url(url)
url = unquote(url)
local protocol, pathname = url:match("^([^:]*)://(.*)")
if not protocol then
protocol = "file"
pathname = url
end
return protocol, pathname
end
function dir.normalize(name)
local protocol, pathname = dir.split_url(name)
pathname = pathname:gsub("\\", "/"):gsub("(.)/*$", "%1"):gsub("//", "/")
local pieces = {}
local drive = ""
if pathname:match("^.:") then
drive, pathname = pathname:match("^(.:)(.*)$")
end
pathname = pathname .. "/"
for piece in pathname:gmatch("(.-)/") do
if piece == ".." then
local prev = pieces[#pieces]
if not prev or prev == ".." then
table.insert(pieces, "..")
elseif prev ~= "" then
table.remove(pieces)
end
elseif piece ~= "." then
table.insert(pieces, piece)
end
end
if #pieces == 0 then
pathname = drive .. "."
elseif #pieces == 1 and pieces[1] == "" then
pathname = drive .. "/"
else
pathname = drive .. table.concat(pieces, "/")
end
if protocol ~= "file" then
pathname = protocol .. "://" .. pathname
else
pathname = pathname:gsub("/", dir_sep)
end
return pathname
end
function dir.path(...)
local t = { ... }
while t[1] == "" do
table.remove(t, 1)
end
for i, c in ipairs(t) do
t[i] = unquote(c)
end
return dir.normalize(table.concat(t, "/"))
end
return dir
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