class Openmeta::UI::Shell
Constants
- LEVELS
Attributes
shell[W]
Public Class Methods
new(options = {})
click to toggle source
# File lib/openmeta/ui.rb, line 33 def initialize(options = {}) if options["no-color"] || !STDOUT.tty? Thor::Base.shell = Thor::Shell::Basic end @shell = Thor::Base.shell.new @level = ENV['DEBUG'] ? "debug" : "info" end
Public Instance Methods
ask(msg)
click to toggle source
# File lib/openmeta/ui.rb, line 70 def ask(msg) @shell.ask(msg) end
confirm(msg, newline = nil)
click to toggle source
# File lib/openmeta/ui.rb, line 45 def confirm(msg, newline = nil) tell_me(msg, :green, newline) if level("confirm") end
debug(msg, newline = nil)
click to toggle source
# File lib/openmeta/ui.rb, line 57 def debug(msg, newline = nil) tell_me(msg, nil, newline) if level("debug") end
debug?()
click to toggle source
# File lib/openmeta/ui.rb, line 61 def debug? # needs to be false instead of nil to be newline param to other methods level("debug") end
error(msg, newline = nil)
click to toggle source
# File lib/openmeta/ui.rb, line 53 def error(msg, newline = nil) tell_me(msg, :red, newline) if level("error") end
info(msg, newline = nil)
click to toggle source
# File lib/openmeta/ui.rb, line 41 def info(msg, newline = nil) tell_me(msg, nil, newline) if level("info") end
level(name = nil)
click to toggle source
# File lib/openmeta/ui.rb, line 79 def level(name = nil) name ? LEVELS.index(name) <= LEVELS.index(@level) : @level end
level=(level)
click to toggle source
# File lib/openmeta/ui.rb, line 74 def level=(level) raise ArgumentError unless LEVELS.include?(level.to_s) @level = level end
quiet?()
click to toggle source
# File lib/openmeta/ui.rb, line 66 def quiet? LEVELS.index(@level) <= LEVELS.index("warn") end
silence() { || ... }
click to toggle source
# File lib/openmeta/ui.rb, line 92 def silence old_level, @level = @level, "silent" yield ensure @level = old_level end
trace(e, newline = nil)
click to toggle source
# File lib/openmeta/ui.rb, line 83 def trace(e, newline = nil) msg = ["#{e.class}: #{e.message}", *e.backtrace].join("\n") if debug? tell_me(msg, nil, newline) elsif @trace STDERR.puts "#{msg}#{newline}" end end
warn(msg, newline = nil)
click to toggle source
# File lib/openmeta/ui.rb, line 49 def warn(msg, newline = nil) tell_me(msg, :yellow, newline) if level("warn") end
Private Instance Methods
strip_leading_spaces(text)
click to toggle source
# File lib/openmeta/ui.rb, line 111 def strip_leading_spaces(text) spaces = text[/\A\s+/, 0] spaces ? text.gsub(/#{spaces}/, '') : text end
tell_me(msg, color = nil, newline = nil)
click to toggle source
valimism
# File lib/openmeta/ui.rb, line 102 def tell_me(msg, color = nil, newline = nil) msg = word_wrap(msg) if newline.is_a?(Hash) && newline[:wrap] if newline.nil? @shell.say(msg, color) else @shell.say(msg, color, newline) end end
word_wrap(text, line_width = @shell.terminal_width)
click to toggle source
# File lib/openmeta/ui.rb, line 116 def word_wrap(text, line_width = @shell.terminal_width) strip_leading_spaces(text).split("\n").collect do |line| line.length > line_width ? line.gsub(/(.{1,#{line_width}})(\s+|$)/, "\\1\n").strip : line end * "\n" end