lib/ass_launcher/support/platforms.rb in ass_launcher-0.1.1.alpha vs lib/ass_launcher/support/platforms.rb in ass_launcher-0.2.0

@@ -1,25 +1,57 @@
 # encoding: utf-8
 
-require 'ffi'
-
-module FFI
-  # Monkey patch of [FFI::Platform]
+module AssLauncher
+  # Code partly copied from sources [FFI::Platform] module
+  # Module provides some functional like [FFI::Platform]
+  # Gem +ffi+ builds binary extension and decided don't use it
   module Platform
-    IS_CYGWIN = is_os('cygwin')
+    # :nocov:
+    OS = case RbConfig::CONFIG['host_os'].downcase
+         when /linux/
+           'linux'
+         when /darwin/
+           'darwin'
+         when /freebsd/
+           'freebsd'
+         when /netbsd/
+           'netbsd'
+         when /openbsd/
+           'openbsd'
+         when /sunos|solaris/
+           'solaris'
+         when /mingw|mswin/
+           'windows'
+         else
+           RbConfig::CONFIG['host_os'].downcase
+         end
+    # :nocov:
 
+    # @param [String) os
+    # @return [Boolean]
+    # Test if current OS is +os+.
+    def self.os?(os)
+      OS == os
+    end
+
+    IS_CYGWIN = os?('cygwin')
+    IS_WINDOWS = os?('windows')
+    IS_LINUX = os?('linux')
+
     def self.cygwin?
       IS_CYGWIN
     end
 
     def self.linux?
       IS_LINUX
     end
+
+    def self.windows?
+      IS_WINDOWS
+    end
   end
-end
 
-module AssLauncher
   module Support
     # OS-specific things
     # Mixin module help work with things as paths and env in other plases
     # @example
     #  include AssLauncher::Support::Platforms
@@ -48,22 +80,22 @@
     #
     #
     module Platforms
       # True if run in Cygwin
       def cygwin?
-        FFI::Platform.cygwin?
+        Platform.cygwin?
       end
       module_function :cygwin?
 
       # True if run in MinGW
       def windows?
-        FFI::Platform.windows?
+        Platform.windows?
       end
       module_function :windows?
 
       # True if run in Linux
       def linux?
-        FFI::Platform.linux?
+        Platform.linux?
       end
       module_function :linux?
 
       # Return module [Platforms] as helper
       # @return [Platforms]