Module: Pry::Helpers::BaseHelpers

Included in:
Command, Command::Cat::AbstractFormatter, Command::FindMethod, Command::ShowInfo, CommandSet, Editor, Indent, Method, Method, WrappedModule
Defined in:
lib/pry/helpers/base_helpers.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.colorize_code(code) ⇒ Object 



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# File 'lib/pry/helpers/base_helpers.rb', line 49

def colorize_code(code)
  CodeRay.scan(code, :ruby).term
end

.command_dependencies_met?(options) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 38

def command_dependencies_met?(options)
  return true if !options[:requires_gem]
  Array(options[:requires_gem]).all? do |g|
    Rubygem.installed?(g)
  end
end

.find_command(name, set = Pry::Commands) ⇒ Object 



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# File 'lib/pry/helpers/base_helpers.rb', line 27

def find_command(name, set = Pry::Commands)
  command_match = set.find do |_, command|
    (listing = command.options[:listing]) == name && listing != nil
  end
  command_match.last if command_match
end

.heading(text) ⇒ Object

formatting



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# File 'lib/pry/helpers/base_helpers.rb', line 58

def heading(text)
  text = "#{text}\n--"
  "\e[1m#{text}\e[0m"
end

.highlight(string, regexp, highlight_color = :bright_yellow) ⇒ Object 



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# File 'lib/pry/helpers/base_helpers.rb', line 53

def highlight(string, regexp, highlight_color=:bright_yellow)
  string.gsub(regexp) { |match| "<#{highlight_color}>#{match}</#{highlight_color}>" }
end

.jruby? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 73

def jruby?
  RbConfig::CONFIG['ruby_install_name'] == 'jruby'
end

.jruby_19? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 77

def jruby_19?
  jruby? && RbConfig::CONFIG['ruby_version'] == '1.9'
end

.mri? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 85

def mri?
  RbConfig::CONFIG['ruby_install_name'] == 'ruby'
end

.mri_19? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 89

def mri_19?
  mri? && RUBY_VERSION =~ /^1\.9/
end

.mri_20? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 97

def mri_20?
  mri? && RUBY_VERSION =~ /^2\.0/
end

.mri_21? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 101

def mri_21?
  mri? && RUBY_VERSION =~ /^2\.1/
end

.mri_2? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 93

def mri_2?
  mri? && RUBY_VERSION =~ /^2/
end

.not_a_real_file?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 34

def not_a_real_file?(file)
  file =~ /(\(.*\))|<.*>/ || file =~ /__unknown__/ || file == "" || file == "-e"
end

.rbx? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 81

def rbx?
  RbConfig::CONFIG['ruby_install_name'] == 'rbx'
end

.safe_send(obj, method, *args, &block) ⇒ Object

Acts like send but ignores any methods defined below Object or Class in the inheritance hierarchy. This is required to introspect methods on objects like Net::HTTP::Get that have overridden the ‘method` method.



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# File 'lib/pry/helpers/base_helpers.rb', line 22

def safe_send(obj, method, *args, &block)
  (Module === obj ? Module : Object).instance_method(method).bind(obj).call(*args, &block)
end

.silence_warnings ⇒ Object 



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# File 'lib/pry/helpers/base_helpers.rb', line 8

def silence_warnings
  old_verbose = $VERBOSE
  $VERBOSE = nil
  begin
    yield
  ensure
    $VERBOSE = old_verbose
  end
end

.stagger_output(text, out = nil) ⇒ Object

Send the given text through the best available pager (if Pry.config.pager is enabled). Infers where to send the output if used as a mixin. DEPRECATED.



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# File 'lib/pry/helpers/base_helpers.rb', line 108

def stagger_output(text, out = nil)
  Pry.new.pager.page text
end

.use_ansi_codes? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 45

def use_ansi_codes?
  windows_ansi? || ENV['TERM'] && ENV['TERM'] != "dumb"
end

.windows? ⇒ Boolean

have fun on the Windows platform.

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 64

def windows?
  RbConfig::CONFIG['host_os'] =~ /mswin|mingw/
end

.windows_ansi? ⇒ Boolean

are we able to use ansi on windows?

Returns:

  • (Boolean) 


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# File 'lib/pry/helpers/base_helpers.rb', line 69

def windows_ansi?
  defined?(Win32::Console) || ENV['ANSICON'] || (windows? && mri_2?)
end

Instance Method Details

#safe_send(obj, method, *args, &block) ⇒ Object

Acts like send but ignores any methods defined below Object or Class in the inheritance hierarchy. This is required to introspect methods on objects like Net::HTTP::Get that have overridden the ‘method` method.



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# File 'lib/pry/helpers/base_helpers.rb', line 22

def safe_send(obj, method, *args, &block)
  (Module === obj ? Module : Object).instance_method(method).bind(obj).call(*args, &block)
end