Class: Plate::HashProxy

Inherits:
Object
  • Object
show all
Defined in:
lib/plate/hash_proxy.rb

Overview

Just a blank class that allows you to call methods that return hash values

Instance Method Summary collapse

Constructor Details

#initialize(source = {}) ⇒ HashProxy

Pass in a hash object to use this class as a proxy for its keys.



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# File 'lib/plate/hash_proxy.rb', line 5

def initialize(source = {})
  @source = source
  @source ||= {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object

Handle method missing calls and proxy methods to hash values.

Allows for checking to see if a key exists and returning a key value.



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# File 'lib/plate/hash_proxy.rb', line 18

def method_missing(method, *args)
  if @source.has_key?(method)
    self[method]
  elsif method.to_s =~ /^[a-zA-Z0-9_]*\?$/
    @source.has_key?(method.to_s.gsub!(/\?/, '').to_sym)
  else
    nil
  end
end

Instance Method Details

#[](key) ⇒ Object

Pass through for getting the hash’s value at the given key.



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# File 'lib/plate/hash_proxy.rb', line 11

def [](key)
  @source[key]
end