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Contents
module Eco
class CLI
class Scripting
module ArgsHelpers
def is_modifier?(value)
Argument.is_modifier?(value)
end
def arguments
@arguments ||= Arguments.new
end
def stop_on_unknown!(exclude: [], only_options: false)
# validate only those that are options
unknown = arguments.unknown(exclude: exclude)
if only_options
unknown = unknown..select {|arg| is_modifier?(arg)}
end
unless unknown.empty?
raise "There are unknown options in your command line arguments: #{unknown}"
end
end
def get_arg(key, with_param: false, valid: true)
# track what a known option looks like
arguments.add(key, with_param: with_param)
return nil if !ARGV.include?(key)
value = true
if with_param
next_i = ARGV.index(key) + 1
value = ARGV[next_i]
#puts "modifier argument: #{value}"
value = nil if valid && is_modifier?(value)
end
return value
end
def get_file(key, required: false, should_exist: true)
filename = get_arg(key, with_param: true)
if !filename
if required
puts "you need to specify a file '#{key} file'"
exit
end
elsif !(File.exists?(filename) || File.exists?(File.expand_path(filename)))
if should_exist && required
puts "file doesn't exist #{filename}"
exit
end
end
filename = File.expand_path(filename) if filename && should_exist
filename
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems