Module: Gem::SuperSearch

Defined in:
lib/rubygems/super_search.rb

Overview

Extends Gem::SourceIndex#search to allow searching of any gemspec attribute field. Differs from original method (from rubygems v1.3.2) by a couple of lines.

Instance Method Summary collapse

Instance Method Details

#search(gem_pattern, platform_only = false) ⇒ Object 



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# File 'lib/rubygems/super_search.rb', line 4

def search(gem_pattern, platform_only = false)
  version_requirement = nil
  only_platform = false

  # TODO - Remove support and warning for legacy arguments after 2008/11
  unless Gem::Dependency === gem_pattern
    warn "#{Gem.location_of_caller.join ':'}:Warning: Gem::SourceIndex#search support for #{gem_pattern.class} patterns is deprecated"
  end

  case gem_pattern
  when Regexp then
    version_requirement = platform_only || Gem::Requirement.default
  when Gem::Dependency then
    only_platform = platform_only
    version_requirement = gem_pattern.version_requirements
    gem_pattern = if Regexp === gem_pattern.name then
                    gem_pattern.name
                  elsif gem_pattern.name.empty? then
                    //
                  else
                    /^#{Regexp.escape gem_pattern.name}$/
                  end
  else
    version_requirement = platform_only || Gem::Requirement.default
    gem_pattern = /#{gem_pattern}/i
  end

  unless Gem::Requirement === version_requirement then
    version_requirement = Gem::Requirement.create version_requirement
  end
  
  # only changes from original method
  # search_fields = Gem::CommandManager.instance['grep'].options[:fields] || ['name']
  search_fields = GemGrep.grep_fields
  specs = all_gems.values.select do |spec|
    search_fields.map {|e| spec.send(e).to_s}.any? {|e| e =~ gem_pattern} and
      version_requirement.satisfied_by? spec.version
  end

  if only_platform then
    specs = specs.select do |spec|
      Gem::Platform.match spec.platform
    end
  end

  specs.sort_by { |s| s.sort_obj }
end