libs/uvl/root/usr/bin/uvl

   1 #!/usr/bin/lua
   2 --[[
   3
   4 UCI Validation Layer - Command Line Utility
   5 (c) 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
   6 (c) 2008 Steven Barth <steven@midlink.org>
   7
   8 Licensed under the Apache License, Version 2.0 (the "License");
   9 you may not use this file except in compliance with the License.
  10 You may obtain a copy of the License at
  11
  12         http://www.apache.org/licenses/LICENSE-2.0
  13
  14 $Id$
  15
  16 ]]--
  17
  18 require("luci.uvl")
  19 require("luci.util")
  20
  21
  22 function getopt( arg, options )
  23         options = options or ""
  24         local tab = {}
  25         local args = {}
  26         for k, v in ipairs(arg) do
  27                 if v:sub(1, 2) == "--" then
  28                         local x = v:find( "=", 1, true )
  29                         if x then
  30                                 tab[ v:sub( 3, x-1 ) ] = v:sub( x+1 )
  31                         else
  32                             tab[ v:sub( 3 ) ] = true
  33                         end
  34                 elseif v:sub( 1, 1 ) == "-" then
  35                         local y = 2
  36                         local l = #v
  37                         local jopt
  38                         while ( y <= l ) do
  39                                 jopt = v:sub( y, y )
  40                                 if options:find( jopt, 1, true ) then
  41                                         if y < l then
  42                                                 tab[ jopt ] = v:sub( y+1 )
  43                                                 y = l
  44                                         else
  45                                                 tab[ jopt ] = arg[ k + 1 ]
  46                                                 arg[ k + 1 ] = ""
  47                                         end
  48                                 else
  49                                         tab[ jopt ] = true
  50                                 end
  51                                 y = y + 1
  52                         end
  53             elseif #v > 0 then
  54                 table.insert(args, v)
  55             end
  56         end
  57         return tab, args
  58 end
  59
  60 local options, arguments = getopt( arg )
  61
  62 if #arguments == 0 or options.help then
  63         print([=[
  64
  65 uvl - UCI Validation Layer
  66 $Id$
  67 (c) 2008 Jo-Philipp Wich, Steven Barth
  68
  69 Usage:
  70         uvl --help
  71         uvl [--silent] [--schemedir=DIR]
  72                 [--no-strict-sections] [--no-strict-options]
  73                 [--no-strict-validators] config[.section[.option]]
  74
  75 Options:
  76         --help
  77                 Display this help message.
  78
  79         --silent
  80                 Don't produce any output.
  81
  82         --schemedir=DIR
  83                 Use DIR as scheme directory.
  84
  85         --no-strict-sections
  86                 Don't treat sections found in config but not in scheme as error.
  87
  88         --no-strict-options
  89                 Don't treat options found in config but not in scheme as error.
  90
  91         --no-strict-validators
  92                 Don't invalidate config if an external validator fails.
  93         ]=])
  94         os.exit(255)
  95 else
  96         luci.uvl.STRICT_UNKNOWN_SECTIONS =
  97                 ( options['no-strict-sections'] and false or true )
  98         luci.uvl.STRICT_UNKNOWN_OPTIONS =
  99                 ( options['no-strict-options'] and false or true )
 100         luci.uvl.STRICT_EXTERNAL_VALIDATORS =
 101                 ( options['no-strict-validators'] and false or true )
 102
 103         local uvl = luci.uvl.UVL(
 104                 type(options.schemedir) == "string" and options.schemedir or nil
 105         )
 106
 107         local cso = luci.util.split( arguments[1], "." )
 108         local ok, err = uvl:validate( unpack(cso) )
 109
 110         if ok then
 111                 if not options.silent then
 112                         print( string.format(
 113                                 '%s "%s" validates fine!',
 114                                         ( #cso == 1 and "Config" or
 115                                                 ( #cso == 2 and "Section" or "Option" ) ),
 116                                         table.concat(cso, ".")
 117                         ) )
 118                 end
 119                 os.exit( 0 )
 120         else
 121                 if not options.silent then print( err ) end
 122                 os.exit( 1 )
 123         end
 124 end