diff options
Diffstat (limited to 'lib/bundler/vendor/thor/lib/thor/shell.rb')
-rw-r--r-- | lib/bundler/vendor/thor/lib/thor/shell.rb | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/bundler/vendor/thor/lib/thor/shell.rb b/lib/bundler/vendor/thor/lib/thor/shell.rb new file mode 100644 index 0000000000..e945549324 --- /dev/null +++ b/lib/bundler/vendor/thor/lib/thor/shell.rb @@ -0,0 +1,81 @@ +require "rbconfig" + +class Bundler::Thor + module Base + class << self + attr_writer :shell + + # Returns the shell used in all Bundler::Thor classes. If you are in a Unix platform + # it will use a colored log, otherwise it will use a basic one without color. + # + def shell + @shell ||= if ENV["THOR_SHELL"] && !ENV["THOR_SHELL"].empty? + Bundler::Thor::Shell.const_get(ENV["THOR_SHELL"]) + elsif RbConfig::CONFIG["host_os"] =~ /mswin|mingw/ && !ENV["ANSICON"] + Bundler::Thor::Shell::Basic + else + Bundler::Thor::Shell::Color + end + end + end + end + + module Shell + SHELL_DELEGATED_METHODS = [:ask, :error, :set_color, :yes?, :no?, :say, :say_status, :print_in_columns, :print_table, :print_wrapped, :file_collision, :terminal_width] + attr_writer :shell + + autoload :Basic, "bundler/vendor/thor/lib/thor/shell/basic" + autoload :Color, "bundler/vendor/thor/lib/thor/shell/color" + autoload :HTML, "bundler/vendor/thor/lib/thor/shell/html" + + # Add shell to initialize config values. + # + # ==== Configuration + # shell<Object>:: An instance of the shell to be used. + # + # ==== Examples + # + # class MyScript < Bundler::Thor + # argument :first, :type => :numeric + # end + # + # MyScript.new [1.0], { :foo => :bar }, :shell => Bundler::Thor::Shell::Basic.new + # + def initialize(args = [], options = {}, config = {}) + super + self.shell = config[:shell] + shell.base ||= self if shell.respond_to?(:base) + end + + # Holds the shell for the given Bundler::Thor instance. If no shell is given, + # it gets a default shell from Bundler::Thor::Base.shell. + def shell + @shell ||= Bundler::Thor::Base.shell.new + end + + # Common methods that are delegated to the shell. + SHELL_DELEGATED_METHODS.each do |method| + module_eval <<-METHOD, __FILE__, __LINE__ + def #{method}(*args,&block) + shell.#{method}(*args,&block) + end + METHOD + end + + # Yields the given block with padding. + def with_padding + shell.padding += 1 + yield + ensure + shell.padding -= 1 + end + + protected + + # Allow shell to be shared between invocations. + # + def _shared_configuration #:nodoc: + super.merge!(:shell => shell) + end + end +end |