iomode.rb in rio-0.3.9

- old
+ new

@@ -1,8 +1,8 @@
 #--
 # =============================================================================== 
-# Copyright (c) 2005, 2006 Christopher Kleckner
+# Copyright (c) 2005,2006,2007 Christopher Kleckner
 # All rights reserved
 #
 # This file is part of the Rio library for ruby.
 #
 # Rio is free software; you can redistribute it and/or modify
@@ -21,20 +21,19 @@
 # =============================================================================== 
 #++
 #
 # To create the documentation for Rio run the command
 #  ruby build_doc.rb
-# from the distribution directory. Then point your browser at the 'doc/rdoc' directory.
+# from the distribution directory.
 #
 # Suggested Reading
 # * RIO::Doc::SYNOPSIS
 # * RIO::Doc::INTRO
 # * RIO::Doc::HOWTO
+# * RIO::Doc::EXAMPLES
 # * RIO::Rio
 #
-# <b>Rio is pre-alpha software. 
-# The documented interface and behavior is subject to change without notice.</b>
 
 
 
 require 'rio/abstract_method'
 
@@ -79,19 +78,32 @@
   module Mode
     module StrMethods
       def primarily_read?() @mode[0,1] == 'r' end
       def primarily_write?() @mode[0,1] == 'w' or primarily_append? end
       def primarily_append?() @mode[0,1] == 'a' end
-      def allows_both?()
-        @mode[1,1] == '+'
-      end
+      def allows_both?() @mode[-1,1] == '+' end
       def creates?() primarily_append? || primarily_write? end
     end
     class Str < Base
       include StrMethods
     end
   end
   module Mode
     class Int < Base
+      def primarily_read?() 
+#        (@mode&File::RDONLY || (@mode&File::RDWR && ~(@mode&File::TRUNC)))
+      end
+      def primarily_write?() 
+#        @mode&File::WRONLY || (@mode&File::RDWR && @mode&File::TRUNC) || primarily_append? 
+      end
+      def primarily_append?() 
+#        @mode&File::APPEND
+      end
+      def allows_both?()
+#        @mode[1,-1] == '+'
+      end
+      def creates?() 
+        # primarily_append? || primarily_write? 
+      end
     end
   end
 end