libs/lpk/luasrc/lpk/util.lua

   1 module("luci.lpk.util", package.seeall)
   2
   3 function getopt( arg, options )
   4         options = options or ""
   5         local tab = {}
   6         local args = {}
   7         for k, v in ipairs(arg) do
   8                 if v:sub(1, 2) == "--" then
   9                         local x = v:find( "=", 1, true )
  10                         if x then
  11                                 tab[ v:sub( 3, x-1 ) ] = v:sub( x+1 )
  12                         else
  13                             tab[ v:sub( 3 ) ] = true
  14                         end
  15                 elseif v:sub( 1, 1 ) == "-" then
  16                         local y = 2
  17                         local l = #v
  18                         local jopt
  19                         while ( y <= l ) do
  20                                 jopt = v:sub( y, y )
  21                                 if options:find( jopt, 1, true ) then
  22                                         if y < l then
  23                                                 tab[ jopt ] = v:sub( y+1 )
  24                                                 y = l
  25                                         else
  26                                                 tab[ jopt ] = arg[ k + 1 ]
  27                                                 arg[ k + 1 ] = ""
  28                                         end
  29                                 else
  30                                         tab[ jopt ] = true
  31                                 end
  32                                 y = y + 1
  33                         end
  34             elseif #v > 0 then
  35                 table.insert(args, v)
  36             end
  37         end
  38         return tab, args
  39 end