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Contents
# frozen_string_literal: true
require 'eac_ruby_utils/core_ext'
module EacCli
class Definition
class HelpFormatter
SEP = ' '
IDENT = SEP * 2
OPTION_DESC_SEP = IDENT * 2
class << self
def option_long(option)
b = option.long
b += '=VALUE' if option.argument?
b
end
def option_short(option)
b = option.short
b += 'VALUE' if option.argument?
b
end
end
common_constructor :definition
def positional_argument(positional)
if positional.subcommand?
::EacRubyUtils::Console::DocoptRunner::SUBCOMMANDS_MACRO
else
r = "<#{positional.name}>"
r += '...' if positional.repeat?
r = "[#{r}]" if positional.optional?
r
end
end
def section(header, include_header = true)
b = include_header ? "#{header.humanize}:\n" : ''
b += send("self_#{header}") + "\n"
# TO-DO: implement alternatives
b
end
def self_options
definition.options.map { |option| IDENT + option_definition(option) }.join("\n")
end
def self_usage
IDENT + self_usage_arguments.join(SEP)
end
def self_usage_arguments
[::EacRubyUtils::Console::DocoptRunner::PROGRAM_MACRO] +
definition.options_argument.if_present([]) { |_v| ['[options]'] } +
self_usage_arguments_options +
self_usage_arguments_positional
end
def self_usage_arguments_options
definition.options.select(&:show_on_usage?).map do |option|
self.class.option_long(option)
end
end
def self_usage_arguments_positional
definition.positional.map { |p| positional_argument(p) }
end
def to_banner
"#{definition.description}\n\n#{section('usage')}"
end
end
end
end
Version data entries
54 entries across 54 versions & 3 rubygems