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Class: Bundler::UI::Shell

Relationships & Source Files
Inherits: Object
Defined in: lib/bundler/ui/shell.rb

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(options = {}) ⇒ Shell

[ GitHub ]

  
# File 'lib/bundler/ui/shell.rb', line 12

def initialize(options = {})
  Thor::Base.shell = options["no-color"] ? Thor::Shell::Basic : nil
  @shell = Thor::Base.shell.new
  @level = ENV["DEBUG"] ? "debug" : "info"
  @warning_history = []
end

Instance Attribute Details

#debug?Boolean (readonly)

[ GitHub ]

  
# File 'lib/bundler/ui/shell.rb', line 48

def debug?
  level("debug")
end

#level(name = nil) (rw)

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# File 'lib/bundler/ui/shell.rb', line 73

def level(name = nil)
  return @level unless name
  unless index = LEVELS.index(name)
    raise "#{name.inspect} is not a valid level"
  end
  index <= LEVELS.index(@level)
end

#level=(level) (rw)

Raises:

  • (ArgumentError)
[ GitHub ]

  
# File 'lib/bundler/ui/shell.rb', line 68

def level=(level)
  raise ArgumentError unless LEVELS.include?(level.to_s)
  @level = level.to_s
end

#no?Boolean (readonly)

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# File 'lib/bundler/ui/shell.rb', line 64

def no?
  @shell.no?(msg)
end

#quiet?Boolean (readonly)

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# File 'lib/bundler/ui/shell.rb', line 52

def quiet?
  level("quiet")
end

#shell=(value) (writeonly)

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# File 'lib/bundler/ui/shell.rb', line 10

attr_writer :shell

Instance Method Details

#add_color(string, *color)

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# File 'lib/bundler/ui/shell.rb', line 19

def add_color(string, *color)
  @shell.set_color(string, *color)
end

#ask(msg)

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# File 'lib/bundler/ui/shell.rb', line 56

def ask(msg)
  @shell.ask(msg)
end

#confirm(msg, newline = nil)

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# File 'lib/bundler/ui/shell.rb', line 27

def confirm(msg, newline = nil)
  tell_me(msg, :green, newline) if level("confirm")
end

#debug(msg, newline = nil) (readonly)

[ GitHub ]

  
# File 'lib/bundler/ui/shell.rb', line 44

def debug(msg, newline = nil)
  tell_me(msg, nil, newline) if debug?
end

#error(msg, newline = nil)

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# File 'lib/bundler/ui/shell.rb', line 39

def error(msg, newline = nil)
  return unless level("error")
  tell_err(msg, :red, newline)
end

#info(msg, newline = nil)

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# File 'lib/bundler/ui/shell.rb', line 23

def info(msg, newline = nil)
  tell_me(msg, nil, newline) if level("info")
end

#silence(&blk)

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# File 'lib/bundler/ui/shell.rb', line 87

def silence(&blk)
  with_level("silent", &blk)
end

#strip_leading_spaces(text) (private)

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# File 'lib/bundler/ui/shell.rb', line 122

def strip_leading_spaces(text)
  spaces = text[/\A\s+/, 0]
  spaces ? text.gsub(/#{spaces}/, "") : text
end

#tell_err(message, color = nil, newline = nil) (private)

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# File 'lib/bundler/ui/shell.rb', line 107

def tell_err(message, color = nil, newline = nil)
  return if @shell.send(:stderr).closed?

  newline ||= message.to_s !~ /( |\t)\Z/
  message = word_wrap(message) if newline.is_a?(Hash) && newline[:wrap]

  color = nil if color && !$stderr.tty?

  buffer = @shell.send(:prepare_message, message, *color)
  buffer << "\n" if newline && !message.to_s.end_with?("\n")

  @shell.send(:stderr).print(buffer)
  @shell.send(:stderr).flush
end

#tell_me(msg, color = nil, newline = nil) (private)

valimism

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# File 'lib/bundler/ui/shell.rb', line 98

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

#trace(e, newline = nil, force = false)

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# File 'lib/bundler/ui/shell.rb', line 81

def trace(e, newline = nil, force = false)
  return unless debug? || force
  msg = "#{e.class}: #{e.message}\n#{e.backtrace.join("\n  ")}"
  tell_me(msg, nil, newline)
end

#unprinted_warnings

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# File 'lib/bundler/ui/shell.rb', line 91

def unprinted_warnings
  []
end

#warn(msg, newline = nil)

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# File 'lib/bundler/ui/shell.rb', line 31

def warn(msg, newline = nil)
  return unless level("warn")
  return if @warning_history.include? msg
  @warning_history << msg

  tell_err(msg, :yellow, newline)
end

#with_level(level) (private)

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# File 'lib/bundler/ui/shell.rb', line 133

def with_level(level)
  original = @level
  @level = level
  yield
ensure
  @level = original
end

#word_wrap(text, line_width = @shell.terminal_width) (private)

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# File 'lib/bundler/ui/shell.rb', line 127

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

#yes?(msg) ⇒ Boolean

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# File 'lib/bundler/ui/shell.rb', line 60

def yes?(msg)
  @shell.yes?(msg)
end