examples/GetOptions.boo

   1 #region license
   2 // Copyright (c) 2003, 2004, Rodrigo B. de Oliveira (rbo@acm.org)
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without modification,
   6 // are permitted provided that the following conditions are met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright notice,
   9 //     this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above copyright notice,
  11 //     this list of conditions and the following disclaimer in the documentation
  12 //     and/or other materials provided with the distribution.
  13 //     * Neither the name of Rodrigo B. de Oliveira nor the names of its
  14 //     contributors may be used to endorse or promote products derived from this
  15 //     software without specific prior written permission.
  16 //
  17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  18 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  21 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #endregion
  28
  29
  30 import Mono.GetOptions from Mono.GetOptions
  31
  32 class CommandLineOptions(Options):
  33
  34         def constructor(argv):
  35                 ProcessArgs(argv)
  36
  37         [Option("thumbnail width", "width")]
  38         public Width = 70
  39
  40         [Option("thumbnail height", "height")]
  41         public Height = 70
  42
  43         [Option("output file", "output")]
  44         public OutputFileName = ""
  45
  46         [Option("input file", "input")]
  47         public InputFileName = ""
  48
  49         [Option("encoding quality level (1-100), default is 75", "encoding-quality")]
  50         public EncodingQuality = 75L
  51
  52         IsValid as bool:
  53                 get:
  54                         return (0 == len(RemainingArguments) and
  55                                         len(OutputFileName) > 0 and
  56                                         len(InputFileName) > 0 and
  57                                         Width > 0 and
  58                                         Height > 0)
  59
  60 options = CommandLineOptions(argv)
  61 if options.IsValid:
  62         for field in typeof(CommandLineOptions).GetFields():
  63                 print("${field.Name}: ${field.GetValue(options)}")
  64 else:
  65         options.DoHelp()
  66
  67
  68