re-adding tag v1_9_0_4 as an alias of trunk@18848v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 84 deletions

diff --git a/trunk/lib/rubygems/gem_path_searcher.rb b/trunk/lib/rubygems/gem_path_searcher.rb
deleted file mode 100644
index dadad66289..0000000000
--- a/trunk/lib/rubygems/gem_path_searcher.rb
+++ /dev/null
@@ -1,84 +0,0 @@
-#--
-# 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
-