method

to_ruby

v2_1_10 - Show latest stable - 0 notes - Class: Specification

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1_9_2_180
1_9_3_125 (0)
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to_ruby() public

Returns a Ruby code representation of this specification, such that it can be eval’ed and reconstruct the same specification later. Attributes that still have their default values are omitted.

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# File lib/rubygems/specification.rb, line 2252
  def to_ruby
    mark_version
    result = []
    result << "# -*- encoding: utf-8 -*-"
    result << "#{Gem::StubSpecification::PREFIX}#{name} #{version} #{platform} #{@require_paths.join("\0")}"
    result << "#{Gem::StubSpecification::PREFIX}#{extensions.join "\0"}" unless
      extensions.empty?
    result << nil
    result << "Gem::Specification.new do |s|"

    result << "  s.name = #{ruby_code name}"
    result << "  s.version = #{ruby_code version}"
    unless platform.nil? or platform == Gem::Platform::RUBY then
      result << "  s.platform = #{ruby_code original_platform}"
    end
    result << ""
    result << "  s.required_rubygems_version = #{ruby_code required_rubygems_version} if s.respond_to? :required_rubygems_version="

    if metadata and !metadata.empty?
      result << "  s.metadata = #{ruby_code metadata} if s.respond_to? :metadata="
    end
    result << "  s.require_paths = #{ruby_code @require_paths}"

    handled = [
      :dependencies,
      :name,
      :platform,
      :require_paths,
      :required_rubygems_version,
      :specification_version,
      :version,
      :has_rdoc,
      :default_executable,
      :metadata
    ]

    @@attributes.each do |attr_name|
      next if handled.include? attr_name
      current_value = self.send(attr_name)
      if current_value != default_value(attr_name) or
         self.class.required_attribute? attr_name then
        result << "  s.#{attr_name} = #{ruby_code current_value}"
      end
    end

    if @installed_by_version then
      result << nil
      result << "  s.installed_by_version = \"#{Gem::VERSION}\" if s.respond_to? :installed_by_version"
    end

    unless dependencies.empty? then
      result << nil
      result << "  if s.respond_to? :specification_version then"
      result << "    s.specification_version = #{specification_version}"
      result << nil

      result << "    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then"

      dependencies.each do |dep|
        req = dep.requirements_list.inspect
        dep.instance_variable_set :@type, :runtime if dep.type.nil? # HACK
        result << "      s.add_#{dep.type}_dependency(%q<#{dep.name}>, #{req})"
      end

      result << "    else"

      dependencies.each do |dep|
        version_reqs_param = dep.requirements_list.inspect
        result << "      s.add_dependency(%q<#{dep.name}>, #{version_reqs_param})"
      end

      result << '    end'

      result << "  else"
      dependencies.each do |dep|
        version_reqs_param = dep.requirements_list.inspect
        result << "    s.add_dependency(%q<#{dep.name}>, #{version_reqs_param})"
      end
      result << "  end"
    end

    result << "end"
    result << nil

    result.join "\n"
  end

to_ruby

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