Sha256: b2c1f0ee264ab9196c9876dde0d0a4c7bd13c709c96d87c8a35b813a53f0b853
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Size: 1.79 KB
Versions: 22
Compression:
Stored size: 1.79 KB
Contents
require 'forwardable'
require 'cl/ctx'
require 'cl/helper'
class Cl
module Runner
class Default
Runner.register :default, self
extend Forwardable
include Merge
def_delegators :ctx, :abort
attr_reader :ctx, :const, :args, :opts
def initialize(ctx, args)
@ctx = ctx
@const, @args = lookup(args)
end
def run
cmd.help? ? help.run : cmd.run
end
def cmd
@cmd ||= const.new(ctx, args)
end
def help
Help.new(ctx, [cmd.registry_key])
end
private
# Finds a command class to run for the given arguments.
#
# Stopping at any arg that starts with a dash, find the command
# with the key matching the most args when joined with ":", and
# remove these used args from the array
#
# For example, if there are commands registered with the keys
#
# git:pull
# git:push
#
# then for the arguments:
#
# git push master
#
# the method `lookup` will find the constant registered as `git:push`,
# remove these from the `args` array, and return both the constant, and
# the remaining args.
#
# @param args [Array<String>] arguments to run (usually ARGV)
def lookup(args)
keys = args.take_while { |key| !key.start_with?('-') }
keys = keys.inject([[], []]) do |keys, key|
keys[1] << key
keys[0] << [Cmd[keys[1].join(':')], keys[1].dup] if Cmd.registered?(keys[1].join(':'))
keys
end
cmd, keys = keys[0].last
cmd || raise(UnknownCmd.new(args))
keys.each { |key| args.delete_at(args.index(key)) }
[cmd, args]
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems