lib/trollop/trollop.rb @@ -22,13 +22,13 @@ bc. $ simplesem simplesem_file.txt h3. Command Line Options -The simplesem executable accepts a couple command line options which will display the values in the Data array at the time the program exits. +The simplesem executable accepts a couple optional command line options which will display the values in the Data array at the time the program exits. -pre. -h Print help message - -t Print Data array on exit - -v Print Data array with change history on exit. Supersedes -t if it is also specified. +pre. --help Print help message + --inspect Print values in the data array on exit + --inspect-history Print values in the data array with change history on exit -Use -t if you only want to see the ending value at each position in the Data array, otherwise use -v to see each data location's history. If neither -t or -v is used the program will not display the data array. +Use @--inspect@ if you only want to see the ending value at each position in the Data array, otherwise use @--inspect-history@ to see each data location's history. h2. Introduction to SIMPLESEM @@ -140,7 +140,7 @@ jump 8 </code> </pre> -pre.. $ simplesem -v sample_programs/gcd.txt +pre.. $ simplesem --inspect-history sample_programs/gcd.txt input: 15 input: 35 5 README.textile @@ -1,21 +1,4 @@ #!/usr/bin/env ruby -#= Overview -# -# Interpreter for the SIMPLESEM language -# -#= Usage -# -# simplesem [-t|-v] filename -# -# Options: -# -h Print this message -# -t Print Data array on exit -# -v Print Data array with change history on exit. Supersedes -t -# if it is also specified. -# - -require 'rdoc/usage' -require 'getoptlong' # The gem packager will properly add the lib dir to LOAD_PATH when # executing the gem but load path manipulation is needed during development @@ -23,38 +6,31 @@ unless $LOAD_PATH.include?(File.expand_path('../../lib', __FILE__)) $LOAD_PATH.unshift(File.expand_path('../../lib', __FILE__)) end -require 'simplesem' # must execute after manipulating the load path - -opts = GetoptLong.new( - [ '-h', '--help', GetoptLong::NO_ARGUMENT ], - [ '-t', GetoptLong::NO_ARGUMENT ], - [ '-v', GetoptLong::NO_ARGUMENT ] -) - -verbosity = 0 # by default do not print what is in Data - -opts.each do |opt, arg| - case opt - when '-h' - RDoc::usage - when '-t' - verbosity = 1 - when '-v' - verbosity = 2 - end -end +require 'simplesem' +require 'trollop/trollop' + +opts = Trollop::options do + version SimpleSem::VERSION + banner <<-EOS +Interpreter for the SIMPLESEM language by Rob Olson + +Usage: simplesem [options] filename -if ARGV.length != 1 - puts "Missing filename argument (try --help)" - exit 0 +Options: +EOS + + opt :inspect, "Print values in the data array on exit" + opt :inspect_history, "Print values in the data array with change history on exit" + conflicts :inspect, :inspect_history end +Trollop::die "must specify a single filename" if ARGV.length != 1 + ssp = SimpleSem::Program.new(ARGV.shift) ssp.run -case verbosity -when 1 +if opts[:inspect_history] puts "\nDATA: \n" + ssp.inspect_data -when 2 +elsif opts[:inspect] puts "\nDATA: \n" + ssp.inspect_data_with_history end bin/simplesem 609a425db4f850e947eb9fa23fc047cb0de12138 Rob Olson rob@thinkingdigitally.com http://github.com/robolson/simplesem/commit/130b723df4e6410fad13139cb4b228887b857b61 130b723df4e6410fad13139cb4b228887b857b61 2009-09-26T23:58:37-07:00 2009-09-26T23:48:30-07:00 Use trollop for command line parsing Ripped out rdoc/usage in favor trollop of trollop for command line parsing because rdoc/usage was removed from Ruby 1.9. c857c6df427d3d08ab15b5e16a9a3fe2f8f935fc Rob Olson rob@thinkingdigitally.com