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Contents
module Dslify
def self.included(base)
base.send :include, InstanceMethods
base.extend(ClassMethods)
end
module ClassMethods
def default_options(hsh={})
(@_dsl_options ||= {}).merge! hsh
set_default_options(@_dsl_options)
end
def dsl_options
@_dsl_options ||= {}
end
def options
dsl_options
end
def dsl_methods(*syms)
syms.each {|sym| set_default_options({sym => nil}) }
end
def set_default_options(new_options)
new_options.each do |k,v|
dsl_options[k] = v
class_eval define_dsl_method_str(k)
end
end
def define_dsl_method_str(k)
<<-EOE
def #{k}(n=nil)
if n.nil?
fetch(:#{k})
else
self.#{k}=n
end
end
def #{k}=(n)
dsl_options[:#{k}] = n
end
def fetch(k)
dsl_options[k]
end
EOE
end
def inherited(subclass)
subclass.set_default_options(dsl_options)
end
end
module InstanceMethods
def dsl_options
@dsl_options ||= self.class.dsl_options.clone
end
def default_options
Hash[*dsl_options.select{|k,v| self.class.default_options.has_key?(k) }.inject([]){|res,(k,v)| res << k << v }]
end
def set_vars_from_options(hsh={})
hsh.each do |k,v|
instance_eval self.class.define_dsl_method_str(k) unless self.respond_to?(k)
self.send k, v
end
end
def set_default_options(hsh={})
self.class.set_default_options(hsh)
end
def method_missing(m,*a,&block)
if m.to_s[-1..-1] == '?'
t = m.to_s.gsub(/\?/, '').to_sym
warn "DEPRECATED: Dslify will no longer support ? methods. Fix yo code.: #{m}"
respond_to?(t) && !self.send(t, *a, &block).nil?
else
super
end
end
end
end
Version data entries
51 entries across 51 versions & 3 rubygems