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Versions: 12
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Contents
require 'coprl/parameters'
require 'coprl/trace'
module Coprl
# Simple serializer that will build add a to_hash method to an object by inspecting
# the intersection of its instance variables and public accessor methods.
module Serializer
include Trace
def to_hash(serializer=true)
trace {self.class.to_s}
return build_hash unless serializer
begin
serializer_name = "#{self.class.to_s}Serializer"
serializer = Module.const_get(serializer_name)
serializer.new(self).to_hash
rescue NameError
build_hash
end
end
private
def build_hash
accessable = instance_variables.map {|i| i.to_s.gsub('@', '').to_sym} & methods
accessable.reduce({}) do |hash, v|
trace {"#{v}:#{params.inspect}"}
params = Parameters.new(method(v).parameters)
unless params.required_args? || params.required_options?
value = self.send(v)
value = if value.kind_of?(Array)
value.map {|v_| v_.respond_to?(:to_hash) ? v_.to_hash : v_}
elsif value.kind_of?(Hash)
value.map {|k, v_| v_.respond_to?(:to_hash) ? [k, v_.to_hash] : [k, v_]}.to_h
else
value.respond_to?(:to_hash) ? value.to_hash : value
end
hash[v]= value
end
hash
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems