FM / rubygems

/home/wespack/ruby/lib/rubygems

Name	Size	Mode	Actions
commands/	-	0755	rm
digest/	-	0755	rm
ext/	-	0755	rm
indexer/	-	0755	rm
package/	-	0755	rm
builder.rb	2130	0644	edit dl rm
command.rb	11320	0644	edit dl rm
command_manager.rb	4122	0644	edit dl rm
config_file.rb	6061	0644	edit dl rm
custom_require.rb	1117	0644	edit dl rm
defaults.rb	1473	0644	edit dl rm
dependency.rb	1406	0644	edit dl rm
dependency_installer.rb	6854	0644	edit dl rm
dependency_list.rb	3683	0644	edit dl rm
doc_manager.rb	4544	0644	edit dl rm
exceptions.rb	2236	0644	edit dl rm
ext.rb	379	0644	edit dl rm
format.rb	2101	0644	edit dl rm
gem_openssl.rb	2334	0644	edit dl rm
gem_path_searcher.rb	2482	0644	edit dl rm
gem_runner.rb	1791	0644	edit dl rm
indexer.rb	5184	0644	edit dl rm
installer.rb	14204	0644	edit dl rm
install_update_options.rb	3282	0644	edit dl rm
local_remote_options.rb	2882	0644	edit dl rm
old_format.rb	4106	0644	edit dl rm
package.rb	2517	0644	edit dl rm
platform.rb	5079	0644	edit dl rm
remote_fetcher.rb	8238	0644	edit dl rm
requirement.rb	3813	0644	edit dl rm
require_paths_builder.rb	514	0644	edit dl rm
rubygems_version.rb	133	0644	edit dl rm
security.rb	28982	0644	edit dl rm
server.rb	13416	0644	edit dl rm
source_index.rb	12896	0644	edit dl rm
source_info_cache.rb	8811	0644	edit dl rm
source_info_cache_entry.rb	1211	0644	edit dl rm
specification.rb	29849	0644	edit dl rm
timer.rb	511	0644	edit dl rm
uninstaller.rb	5641	0644	edit dl rm
user_interaction.rb	6989	0644	edit dl rm
validator.rb	6131	0644	edit dl rm
version.rb	3499	0644	edit dl rm
version_option.rb	1295	0644	edit dl rm

Edit: /home/wespack/ruby/lib/rubygems/gem_path_searcher.rb (2482B)

#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++

require 'rubygems'

#
# GemPathSearcher has the capability to find loadable files inside
# gems.  It generates data up front to speed up searches later.
#
class Gem::GemPathSearcher

#
  # Initialise the data we need to make searches later.
  #
  def initialize
    # We want a record of all the installed gemspecs, in the order
    # we wish to examine them.
    @gemspecs = init_gemspecs
    # Map gem spec to glob of full require_path directories.
    # Preparing this information may speed up searches later.
    @lib_dirs = {}
    @gemspecs.each do |spec|
      @lib_dirs[spec.object_id] = lib_dirs_for(spec)
    end
  end

# 
  # Look in all the installed gems until a matching _path_ is found.
  # Return the _gemspec_ of the gem where it was found.  If no match
  # is found, return nil.
  #
  # The gems are searched in alphabetical order, and in reverse
  # version order.
  #
  # For example:
  #
  #   find('log4r')              # -> (log4r-1.1 spec)
  #   find('log4r.rb')           # -> (log4r-1.1 spec)
  #   find('rake/rdoctask')      # -> (rake-0.4.12 spec)
  #   find('foobarbaz')          # -> nil
  #
  # Matching paths can have various suffixes ('.rb', '.so', and
  # others), which may or may not already be attached to _file_.
  # This method doesn't care about the full filename that matches;
  # only that there is a match.
  # 
  def find(path)
    @gemspecs.each do |spec|
      return spec if matching_file(spec, path)
    end
    nil
  end

private

# Attempts to find a matching path using the require_paths of the
  # given _spec_.
  #
  # Some of the intermediate results are cached in @lib_dirs for
  # speed.
  def matching_file(spec, path)  # :doc:
    glob = File.join @lib_dirs[spec.object_id], "#{path}#{Gem.suffix_pattern}"
    return true unless Dir[glob].select { |f| File.file?(f.untaint) }.empty?
  end

# Return a list of all installed gemspecs, sorted by alphabetical
  # order and in reverse version order.
  def init_gemspecs
    Gem.source_index.map { |_, spec| spec }.sort { |a,b|
      (a.name <=> b.name).nonzero? || (b.version <=> a.version)
    }
  end

# Returns library directories glob for a gemspec.  For example,
  #   '/usr/local/lib/ruby/gems/1.8/gems/foobar-1.0/{lib,ext}'
  def lib_dirs_for(spec)
    "#{spec.full_gem_path}/{#{spec.require_paths.join(',')}}"
  end

end

#-- # Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others. # All rights reserved. # See LICENSE.txt for permissions. #++ require 'rubygems' # # GemPathSearcher has the capability to find loadable files inside # gems. It generates data up front to speed up searches later. # class Gem::GemPathSearcher # # Initialise the data we need to make searches later. # def initialize # We want a record of all the installed gemspecs, in the order # we wish to examine them. @gemspecs = init_gemspecs # Map gem spec to glob of full require_path directories. # Preparing this information may speed up searches later. @lib_dirs = {} @gemspecs.each do |spec| @lib_dirs[spec.object_id] = lib_dirs_for(spec) end end # # Look in all the installed gems until a matching _path_ is found. # Return the _gemspec_ of the gem where it was found. If no match # is found, return nil. # # The gems are searched in alphabetical order, and in reverse # version order. # # For example: # # find('log4r') # -> (log4r-1.1 spec) # find('log4r.rb') # -> (log4r-1.1 spec) # find('rake/rdoctask') # -> (rake-0.4.12 spec) # find('foobarbaz') # -> nil # # Matching paths can have various suffixes ('.rb', '.so', and # others), which may or may not already be attached to _file_. # This method doesn't care about the full filename that matches; # only that there is a match. # def find(path) @gemspecs.each do |spec| return spec if matching_file(spec, path) end nil end private # Attempts to find a matching path using the require_paths of the # given _spec_. # # Some of the intermediate results are cached in @lib_dirs for # speed. def matching_file(spec, path) # :doc: glob = File.join @lib_dirs[spec.object_id], "#{path}#{Gem.suffix_pattern}" return true unless Dir[glob].select { |f| File.file?(f.untaint) }.empty? end # Return a list of all installed gemspecs, sorted by alphabetical # order and in reverse version order. def init_gemspecs Gem.source_index.map { |_, spec| spec }.sort { |a,b| (a.name <=> b.name).nonzero? || (b.version <=> a.version) } end # Returns library directories glob for a gemspec. For example, # '/usr/local/lib/ruby/gems/1.8/gems/foobar-1.0/{lib,ext}' def lib_dirs_for(spec) "#{spec.full_gem_path}/{#{spec.require_paths.join(',')}}" end end