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src/subversion/subversion/bindings/swig/ruby/svn/util.rb  view on Meta::CPAN

    def set_constants(ext_mod, target_mod=self)
      target_name = nil
      ext_mod.constants.each do |const|
        target_name = nil
        case const
        when /^SVN__/
          # ignore private constants
        when /^SVN_(?:#{target_mod.name.split("::").last.upcase}_)?/
          target_name = $POSTMATCH
        when /^SWIG_SVN_/
          target_name = $POSTMATCH
        when /^Svn_(?:#{target_mod.name.split("::").last.downcase}_)?(.+)_t$/
          target_name = to_ruby_class_name($1)
        when /^Svn_(?:#{target_mod.name.split("::").last.downcase}_)?/
          target_name = to_ruby_const_name($POSTMATCH)
#         else
#           puts const
        end
        unless target_name.nil?
          target_mod.const_set(target_name, ext_mod.const_get(const))
        end
      end
    end

    def set_methods(ext_mod, target_mod=self)
      target_name = nil
      ext_mod.public_methods(false).each do |meth|
        target_name = nil
        case meth
        when /^svn_(?:#{target_mod.name.split("::").last.downcase}_)?/
          target_name = $POSTMATCH
        when /^apr_/
          target_name = meth
        end
        unless target_name.nil?
          target_mod.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
            def #{target_name}(*args, &block)
              #{ext_mod.name}.#{meth}(*args, &block)
            end
            module_function :#{target_name}
EOC
        end
      end
    end

    def filename_to_temp_file(filename)
      file = Tempfile.new("svn-ruby")
      file.binmode
      file.print(File.open(filename, "rb") {|f| f.read})
      file.close
      file.open
      file.binmode
      file
    end

    def reset_message_directory
      if /cygwin|mingw|mswin32|bccwin32/.match(RUBY_PLATFORM)
        top_directory = File.join(File.dirname(__FILE__), "..", "..")
        top_directory = File.expand_path(top_directory)
        locale_directory = File.join(top_directory, "share", "locale")
        locale_directory_win = locale_directory.tr(File::SEPARATOR,
                                                   File::ALT_SEPARATOR)
        GetText.bindtextdomain(locale_directory_win)
      end
    end

    def validate_options(options, optional_keys, required_keys=[])
      unknown_keys = options.keys - (optional_keys + required_keys)
      unless unknown_keys.empty?
        raise(ArgumentError, "Unknown key(s): #{unknown_keys.join(", ")}")
      end
      missing_keys = []
      required_keys.each do |key|
        missing_keys << key if options[key].nil?
      end
      unless missing_keys.empty?
        raise(ArgumentError, "Missing key(s): #{missing_keys.join(", ")}")
      end
    end

    def windows?
      /cygwin|mingw|mswin32|bccwin32/.match(RUBY_PLATFORM)
    end
  end
end