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require 'rubygems/command'
require 'rubygems/version_option'
require 'rubygems/rdoc'
require 'fileutils'
class Gem::Commands::RdocCommand < Gem::Command
include Gem::VersionOption
def initialize
super 'rdoc', 'Generates RDoc for pre-installed gems',
:version => Gem::Requirement.default,
:include_rdoc => false, :include_ri => true, :overwrite => false
add_option('--all',
'Generate RDoc/RI documentation for all',
'installed gems') do |value, options|
options[:all] = value
end
add_option('--[no-]rdoc',
'Generate RDoc HTML') do |value, options|
options[:include_rdoc] = value
end
add_option('--[no-]ri',
'Generate RI data') do |value, options|
options[:include_ri] = value
end
add_option('--[no-]overwrite',
'Overwrite installed documents') do |value, options|
options[:overwrite] = value
end
add_version_option
end
def arguments # :nodoc:
"GEMNAME gem to generate documentation for (unless --all)"
end
def defaults_str # :nodoc:
"--version '#{Gem::Requirement.default}' --ri --no-overwrite"
end
def description # :nodoc:
<<-DESC
The rdoc command builds RDoc and RI documentation for installed gems. Use
--overwrite to force rebuilding of documentation.
DESC
end
def usage # :nodoc:
"#{program_name} [args]"
end
def execute
specs = if options[:all] then
Gem::Specification.to_a
else
get_all_gem_names.map do |name|
Gem::Specification.find_by_name name, options[:version]
end.flatten.uniq
end
if specs.empty? then
alert_error 'No matching gems found'
terminate_interaction 1
end
specs.each do |spec|
doc = Gem::RDoc.new spec, options[:include_rdoc], options[:include_ri]
doc.force = options[:overwrite]
if options[:overwrite] then
FileUtils.rm_rf File.join(spec.doc_dir, 'ri')
FileUtils.rm_rf File.join(spec.doc_dir, 'rdoc')
end
begin
doc.generate
rescue Errno::ENOENT => e
e.message =~ / - /
alert_error "Unable to document #{spec.full_name}, #{$'} is missing, skipping"
terminate_interaction 1 if specs.length == 1
end
end
end
end
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