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Class: Gem::Commands::ListCommand

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::Gem::Command
Instance Chain:
self, ::Gem::QueryUtils, ::Gem::VersionOption, ::Gem::LocalRemoteOptions, ::Gem::Command, ::Gem::UserInteraction, ::Gem::DefaultUserInteraction, ::Gem::Text
Inherits: Gem::Command
Defined in: lib/rubygems/commands/list_command.rb

Overview

Searches for gems starting with the supplied argument.

Constant Summary

::Gem::Command - Inherited

HELP

Class Attribute Summary

::Gem::Command - Inherited

.build_args

Arguments used when building gems.
.build_args=, .extra_args, .extra_args=

Class Method Summary

::Gem::Command - Inherited

.add_common_option,
.add_specific_extra_args

Add a list of extra arguments for the given command.
.common_options,
.new

Initializes a generic gem command named command.
.specific_extra_args

Return an array of extra arguments for the command.
.specific_extra_args_hash

Accessor for the specific extra args hash (self initializing).

Instance Attribute Summary

::Gem::QueryUtils - Included

#check_installed_gems?, #gem_name?, #show_prereleases?

::Gem::LocalRemoteOptions - Included

#both?

Is fetching of local and remote information enabled?
#local?

Is local fetching enabled?
#remote?

Is remote fetching enabled?

::Gem::Command - Inherited

#command

The name of the command.
#defaults

The default options for the command.
#deprecated?,
#options

The options for the command.
#program_name

The name of the command for command-line invocation.
#summary

A short description of the command.

::Gem::DefaultUserInteraction - Included

#ui

See DefaultUserInteraction.ui
#ui=

See DefaultUserInteraction.ui=

Instance Method Summary

::Gem::QueryUtils - Included

#add_query_options, #execute, #args, #check_installed_gems, #display_header, #entry_details, #entry_versions,
#installed?

Check if gem name version version is installed.
#make_entry, #output_query_results, #output_versions, #prerelease,
#show_gems

Guts of original execute.
#show_local_gems, #show_remote_gems, #spec_authors, #spec_homepage, #spec_license, #spec_loaded_from, #spec_platforms, #spec_summary, #specs_type, #defaults_str

::Gem::VersionOption - Included

#add_platform_option

Add the –platform option to the option parser.
#add_prerelease_option

Add the –prerelease option to the option parser.
#add_version_option

Add the –version option to the option parser.
#get_platform_from_requirements

Extract platform given on the command line.

::Gem::LocalRemoteOptions - Included

#accept_uri_http

Allows ::Gem::OptionParser to handle HTTP URIs.
#add_bulk_threshold_option

Add the –bulk-threshold option.
#add_clear_sources_option

Add the –clear-sources option.
#add_local_remote_options

Add local/remote options to the command line parser.
#add_proxy_option

Add the –http-proxy option.
#add_source_option

Add the –source option.
#add_update_sources_option

Add the –update-sources option.

::Gem::Command - Inherited

#add_extra_args

Adds extra args from ~/.gemrc.
#add_option

Add a command-line option and handler to the command.
#arguments

Override to provide details of the arguments a command takes.
#begins?

True if long begins with the characters from short.
#check_deprecated_options,
#defaults_str

Override to display the default values of the command options.
#deprecate_option

Mark a command-line option as deprecated, and optionally specify a deprecation horizon.
#description

Override to display a longer description of what this command does.
#execute

Override to provide command handling.
#get_all_gem_names

Get all gem names from the command line.
#get_all_gem_names_and_versions

Get all [gem, version] from the command line.
#get_one_gem_name

Get a single gem name from the command line.
#get_one_optional_argument

Get a single optional argument from the command line.
#handle_options

Handle the given list of arguments by parsing them and recording the results.
#handles?

True if the command handles the given argument list.
#invoke

Invoke the command with the given list of arguments.
#invoke_with_build_args

Invoke the command with the given list of normal arguments and additional build arguments.
#merge_options

Merge a set of command options with the set of default options (without modifying the default option hash).
#remove_option

Remove previously defined command-line argument name.
#show_help

Display the help message for the command.
#show_lookup_failure

Display to the user that a gem couldn’t be found and reasons why –.
#usage

Override to display the usage for an individual gem command.
#when_invoked

Call the given block when invoked.
#add_parser_run_info

Adds a section with title and content to the parser help view.
#configure_options,
#create_option_parser

Creates an option parser and fills it in with the help info for the command.
#option_is_deprecated?,
#parser

Create on demand parser.
#wrap

Wraps text to width
#extract_gem_name_and_version, #add_parser_description, #add_parser_options, #add_parser_summary

::Gem::UserInteraction - Included

#alert

Displays an alert statement.
#alert_error

Displays an error statement to the error output location.
#alert_warning

Displays a warning statement to the warning output location.
#ask

Asks a question and returns the answer.
#ask_for_password

Asks for a password with a prompt
#ask_yes_no

Asks a yes or no question.
#choose_from_list

Asks the user to answer question with an answer from the given list.
#say

Displays the given statement on the standard output (or equivalent).
#terminate_interaction

Terminates the RubyGems process with the given exit_code
#verbose

Calls say with msg or the results of the block if really_verbose is true.

::Gem::DefaultUserInteraction - Included

#use_ui

See DefaultUserInteraction.use_ui

::Gem::Text - Included

#clean_text

Remove any non-printable characters and make the text suitable for printing.
#format_text

Wraps text to wrap characters and optionally indents by indent characters.
#levenshtein_distance

Returns a value representing the “cost” of transforming str1 into str2 Vendored version of DidYouMean::Levenshtein.distance from the ruby/did_you_mean gem @ 1.4.0 github.com/ruby/did_you_mean/blob/2ddf39b874808685965dbc47d344cf6c7651807c/lib/did_you_mean/levenshtein.rb#L7-L37.
#truncate_text, #min3

Constructor Details

.new ⇒ ListCommand

[ GitHub ] 

  


# File 'lib/rubygems/commands/list_command.rb', line 12



def initialize
  super "list", "Display local gems whose name matches REGEXP",
       :domain => :local, :details => false, :versions => true,
       :installed => nil, :version => Gem::Requirement.default

  add_query_options
end


  







Instance Method Details



  

    #arguments  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'lib/rubygems/commands/list_command.rb', line 20



def arguments # :nodoc:
  "REGEXP        regexp to look for in gem name"
end


  








  

    #defaults_str  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'lib/rubygems/commands/list_command.rb', line 24



def defaults_str # :nodoc:
  "--local --no-details"
end


  








  

    #description  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'lib/rubygems/commands/list_command.rb', line 28



def description # :nodoc:
  <<-EOF
The list command is used to view the gems you have installed locally.

The --details option displays additional details including the summary, the
homepage, the author, the locations of different versions of the gem.

To search for remote gems use the search command.
  EOF
end


  








  

    #usage  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'lib/rubygems/commands/list_command.rb', line 39



def usage # :nodoc:
  "#{program_name} [REGEXP ...]"
end