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Contents
# frozen_string_literal: true
module GGem; end
class GGem::CLI; end
class GGem::CLI::CLIRB # Version 1.1.0, https://github.com/redding/cli.rb
Error = Class.new(RuntimeError);
HelpExit = Class.new(RuntimeError); VersionExit = Class.new(RuntimeError)
attr_reader :argv, :args, :opts, :data
def initialize(&block)
@options = []; instance_eval(&block) if block
require "optparse"
@data, @args, @opts = [], [], {}; @parser = OptionParser.new do |p|
p.banner = ""; @options.each do |o|
@opts[o.name] = o.value; p.on(*o.parser_args){ |v| @opts[o.name] = v }
end
p.on_tail("--version", ""){ |v| raise VersionExit, v.to_s }
p.on_tail("--help", ""){ |v| raise HelpExit, v.to_s }
end
end
def option(*args); @options << Option.new(*args); end
def parse!(argv)
@args = (argv || []).dup.tap do |args_list|
begin; @parser.parse!(args_list)
rescue OptionParser::ParseError => err; raise Error, err.message; end
end; @data = @args + [@opts]
end
def to_s; @parser.to_s; end
def inspect
"#<#{self.class}:#{"0x0%x" % (object_id << 1)} @data=#{@data.inspect}>"
end
class Option
attr_reader :name, :opt_name, :desc, :abbrev, :value, :klass, :parser_args
def initialize(name, desc = nil, abbrev: nil, value: nil)
@name, @desc = name, desc || ""
@opt_name, @abbrev = parse_name_values(name, abbrev)
@value, @klass = gvalinfo(value)
@parser_args = if [TrueClass, FalseClass, NilClass].include?(@klass)
["-#{@abbrev}", "--[no-]#{@opt_name}", @desc]
else
["-#{@abbrev}", "--#{@opt_name} VALUE", @klass, @desc]
end
end
private
def parse_name_values(name, custom_abbrev)
[ (processed_name = name.to_s.strip.downcase).gsub("_", "-"),
custom_abbrev || processed_name.gsub(/[^a-z]/, "").chars.first || "a"
]
end
def gvalinfo(v); v.kind_of?(Class) ? [nil,v] : [v,v.class]; end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems