lib/rubygems/comparator/base.rb in gem-compare-0.0.2 vs lib/rubygems/comparator/base.rb in gem-compare-0.0.3

@@ -1,69 +1,32 @@
 require 'rainbow'
+require 'rubygems/comparator/utils'
+require 'rubygems/comparator/report'
 
 class Gem::Comparator
-  module Base
-    include Gem::UserInteraction
+  class Base
+    include Gem::Comparator::Utils
+    include Gem::Comparator::Report::Signs
 
-    class DiffCommandMissing < StandardError; end
+    attr_accessor :compares
 
-    SPACE = ' '
-    DEFAULT_INDENT = SPACE*7
-    OPERATORS = ['=', '!=', '>', '<', '>=', '<=', '~>']
-    VERSION_REGEX = /\A(\d+\.){0,}\d+(\.[a-zA-Z]+\d{0,1}){0,1}\z/
-    SHEBANG_REGEX = /\A#!.*/
-    SPEC_PARAMS = %w[ author authors name platform require_paths rubygems_version summary
-                      license licenses  bindir cert_chain description email executables
-                      extensions homepage metadata post_install_message rdoc_options
-                      required_ruby_version required_rubygems_version requirements
-                      signing_key has_rdoc date version ].sort
-    SPEC_FILES_PARAMS = %w[ files test_files extra_rdoc_files ]
-    DEPENDENCY_PARAMS = %w[ runtime_dependency development_dependency ]
-    GEMFILE_PARAMS = %w[ gemfiles ]
+    ##
+    # Compare Gem::Specification objects by default
+    #
+    # To override create your own initialize method and
+    # set expect(:packages) to expect Gem::Package objects.
 
+    def initialize
+      expect(:specs)
+    end
+
     private
 
-      def param_exists?(param)
-        (SPEC_PARAMS.include? param) ||
-        (SPEC_FILES_PARAMS.include? param) ||
-        (DEPENDENCY_PARAMS.include? param) ||
-        (GEMFILE_PARAMS.include? param)
+      def expect(what)
+        @compares = what
       end
 
-      def filter_params(params, param)
-        if param
-          if params.include? param
-            return [param]
-          else
-            return []
-          end
-        end
-
-        params
-      end
-
-      def same
-        Rainbow('SAME').green.bright
-      end
-
-      def different
-        Rainbow('DIFFERENT').red.bright
-      end
-
-      def info(msg)
-        say msg if Gem.configuration.really_verbose
-      end
-
-      def warn(msg)
-        say Rainbow("WARNING: #{msg}").red
-      end
-
-      def error(msg)
-        say Rainbow("ERROR: #{msg}").red
-        exit 1
-      end
-
       def extract_gem(package, target_dir)
         gem_file = File.basename(package.spec.full_name, '.gem')
         gem_dir = File.join(target_dir, gem_file)
 
         if Dir.exist? gem_dir
@@ -74,15 +37,7 @@
         info "Unpacking gem '#{package.spec.full_name}' in " + gem_dir
         package.extract_files gem_dir
         gem_dir
       end
 
-      def check_diff_command_is_installed
-        begin
-          IO.popen('diff --version')
-        rescue Exception
-          raise DiffCommandMissing, \
-            'Calling `diff` command failed. Do you have it installed?'
-        end
-      end
   end
 end