| local _tl_compat; if (tonumber((_VERSION or ''):match('[%d.]*$')) or 0) < 5.3 then local p, m = pcall(require, 'compat53.module'); if p then _tl_compat = m end end; local ipairs = _tl_compat and _tl_compat.ipairs or ipairs; local package = _tl_compat and _tl_compat.package or package; local string = _tl_compat and _tl_compat.string or string; local table = _tl_compat and _tl_compat.table or table; local dir = {} |
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| local dir_sep = package.config:sub(1, 1) |
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| local function unquote(c) |
| local first, last = c:sub(1, 1), c:sub(-1) |
| if (first == '"' and last == '"') or |
| (first == "'" and last == "'") then |
| return c:sub(2, -2) |
| end |
| return c |
| end |
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| function dir.split_url(url) |
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| url = unquote(url) |
| local protocol, pathname = url:match("^([^:]*)://(.*)") |
| if not protocol then |
| protocol = "file" |
| pathname = url |
| end |
| return protocol, pathname |
| end |
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| function dir.normalize(name) |
| local protocol, pathname = dir.split_url(name) |
| pathname = pathname:gsub("\\", "/"):gsub("(.)/*$", "%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 |
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| 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 |
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| return dir |
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