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Contents
module Etapper
# This is a virtual base class for specialized representations of eTapestry API arrays
# such as PhoneHash, DefinedValueHash, etc. It _should not_ be invoked on its own. It
# needs the following constants defined in subclasses to work:
class EtapHash < Hash
attr_reader :base, :detailed, :etapper_class
alias_method :hash_assign, :[]=
def initialize(array_from_api, etapper_class, key_symbol, value_symbol)
@base, @etapper_class, @key_symbol, @value_symbol = array_from_api, etapper_class, key_symbol, value_symbol
@detailed = Hash.new
@base.each do |element|
friendly = etapper_class.new(element)
add_to_self(friendly)
add_to_detailed(friendly) # So we can easily find our objects later
end
end
def []=(key, val)
update_base(key, val)
hash_assign(key, val)
end
protected
def update_base(key, val)
if @detailed.has_key?(key)
friendly = @detailed[key]
friendly.value = val
else # New object, so create it and push to base
friendly = @etapper_class.new(@key_symbol => key, @value_symbol => val)
friendly.value = val
@detailed[key] = friendly
@base << friendly.base
end
end
def add_to_self(obj)
self.hash_assign(obj.key, obj.value)
end
def add_to_detailed(obj)
@detailed[obj.key] = obj # So we can easily find our objects later
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems