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/proc/thread-self/root/opt/alt/ruby19/lib64/ruby/1.9.1/rdoc/ri/paths.rb
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require 'rdoc/ri' ## # The directories where ri data lives. module RDoc::RI::Paths #:stopdoc: require 'rbconfig' version = RbConfig::CONFIG['ruby_version'] base = if RbConfig::CONFIG.key? 'ridir' then File.join RbConfig::CONFIG['ridir'], version else File.join RbConfig::CONFIG['datadir'], 'ri', version end SYSDIR = File.join base, "system" SITEDIR = File.join base, "site" homedir = begin File.expand_path('~') rescue ArgumentError end homedir ||= ENV['HOME'] || ENV['USERPROFILE'] || ENV['HOMEPATH'] # for 1.8 compatibility HOMEDIR = if homedir then File.join homedir, ".rdoc" end #:startdoc: @gemdirs = nil ## # Iterates over each selected path yielding the directory and type. # # Yielded types: # :system:: Where Ruby's ri data is stored. Yielded when +system+ is # true # :site:: Where ri for installed libraries are stored. Yielded when # +site+ is true. Normally no ri data is stored here. # :home:: ~/.rdoc. Yielded when +home+ is true. # :gem:: ri data for an installed gem. Yielded when +gems+ is true. # :extra:: ri data directory from the command line. Yielded for each # entry in +extra_dirs+ def self.each system, site, home, gems, *extra_dirs # :yields: directory, type extra_dirs.each do |dir| yield dir, :extra end yield SYSDIR, :system if system yield SITEDIR, :site if site yield HOMEDIR, :home if home and HOMEDIR gemdirs.each do |dir| yield dir, :gem end if gems nil end ## # The latest installed gems' ri directories def self.gemdirs return @gemdirs if @gemdirs require 'rubygems' unless defined?(Gem) # HACK dup'd from Gem.latest_partials and friends all_paths = [] all_paths = Gem.path.map do |dir| Dir[File.join(dir, 'doc', '*', 'ri')] end.flatten ri_paths = {} all_paths.each do |dir| base = File.basename File.dirname(dir) if base =~ /(.*)-((\d+\.)*\d+)/ then name, version = $1, $2 ver = Gem::Version.new version if ri_paths[name].nil? or ver > ri_paths[name][0] then ri_paths[name] = [ver, dir] end end end @gemdirs = ri_paths.map { |k,v| v.last }.sort rescue LoadError @gemdirs = [] end ## # Returns existing directories from the selected documentation directories # as an Array. # # See also ::each def self.path(system, site, home, gems, *extra_dirs) path = raw_path system, site, home, gems, *extra_dirs path.select { |directory| File.directory? directory } end ## # Returns selected documentation directories including nonexistent # directories. # # See also ::each def self.raw_path(system, site, home, gems, *extra_dirs) path = [] each(system, site, home, gems, *extra_dirs) do |dir, type| path << dir end path.compact end end
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