Class: Class
- Inherits:
-
Object
- Object
- Class
- Defined in:
- lib/support/cattr_accessor.rb
Overview
Extends the class object with class and instance accessors for class attributes, just like the native attr* accessors for instance attributes.
Instance Method Summary collapse
- #cattr_accessor(*syms) ⇒ Object
-
#cattr_reader(*syms) ⇒ Object
:nodoc:.
- #cattr_writer(*syms) ⇒ Object
Instance Method Details
#cattr_accessor(*syms) ⇒ Object
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# File 'lib/support/cattr_accessor.rb', line 53 def cattr_accessor(*syms) cattr_reader(*syms) cattr_writer(*syms) end |
#cattr_reader(*syms) ⇒ Object
:nodoc:
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# File 'lib/support/cattr_accessor.rb', line 4 def cattr_reader(*syms) syms.each do |sym| class_eval <<-EOS if ! defined? @@#{sym.id2name} @@#{sym.id2name} = nil end def self.#{sym.id2name} @@#{sym} end def #{sym.id2name} @@#{sym} end def call_#{sym.id2name} case @@#{sym.id2name} when Symbol then send(@@#{sym}) when Proc then @@#{sym}.call(self) when String then @@#{sym} else nil end end EOS end end |
#cattr_writer(*syms) ⇒ Object
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# File 'lib/support/cattr_accessor.rb', line 31 def cattr_writer(*syms) syms.each do |sym| class_eval <<-EOS if ! defined? @@#{sym.id2name} @@#{sym.id2name} = nil end def self.#{sym.id2name}=(obj) @@#{sym.id2name} = obj end def self.set_#{sym.id2name}(obj) @@#{sym.id2name} = obj end def #{sym.id2name}=(obj) @@#{sym} = obj end EOS end end |