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Contents
require 'active_support/core_ext/array/extract_options'
module Massimo
module UI
extend self
COLOR_CODES = {
:black => 30,
:red => 31,
:green => 32,
:yellow => 33,
:blue => 34,
:magenta => 35,
:cyan => 36
}.freeze
# Say (print) something to the user.
def say(message, *args)
options = args.extract_options!
color = args.first
growl(message) if options[:growl]
message = (' ' * padding) + message.to_s
message = self.color(message, color) if color
$stdout.puts(message)
end
# Color the given message with the given color
def color(message, color)
"\e[#{COLOR_CODES[color.to_sym]}m#{message}\e[0m"
end
# Run the given block and cleanly report any errors
def report_errors
begin
yield
true
rescue Exception => error
say 'massimo had a problem', :red
indent do
say error.message, :magenta
say error.backtrace.first, :magenta
end
growl "#{error.message}\n#{error.backtrace.first}", 'massimo problem'
false
end
end
# Indents the messages within the block by the given amount.
def indent(amount = 2)
self.padding += amount
yield
self.padding -= amount
end
protected
def growl(message, title = 'massimo')
Growl.notify(message, :title => title) if defined?(Growl)
end
def padding
@padding ||= 0
end
def padding=(value)
@padding = [ 0, value.to_i ].max
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems