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Versions: 5
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Stored size: 1.82 KB
Contents
module ROXML
HASH_KEYS = [:attrs, :key, :value].freeze
TYPE_KEYS = [:attr, :text, :hash, :content].freeze
class HashDefinition # :nodoc:
attr_reader :key, :value
attr_accessor :wrapper
def initialize(opts)
unless (invalid_keys = opts.keys - HASH_KEYS).empty?
raise ArgumentError, "Invalid Hash description keys: #{invalid_keys.join(', ')}"
end
if opts.has_key? :attrs
ActiveSupport::Deprecation.warn(":as => {:attrs} is going away in 3.0. Use explicit :key and :value instead.")
@key = to_hash_args(opts, :from => "@#{opts[:attrs][0]}")
@value = to_hash_args(opts, :from => "@#{opts[:attrs][1]}")
else
@key = to_hash_args opts, fetch_element(opts, :key)
@value = to_hash_args opts, fetch_element(opts, :value)
end
end
private
def fetch_element(opts, what)
case opts[what]
when Hash
if opts[what].keys.one?
ActiveSupport::Deprecation.warn(":as => {:key => {Type => 'name'} ... } is going away in 3.0. Use explicit :key => {:from => 'name', :as => Type} instead.")
type = opts[what].keys.first
case type
when :attr
{:from => "@#{opts[what][type]}"}
when :text
{:from => opts[what][type]}
else
{:as => type, :from => opts[what][type]}
end
else
opts[what]
end
when String, Symbol
{:from => opts[what]}
else
raise ArgumentError, "unrecognized hash parameter: #{what} => #{opts[what]}"
end
end
def to_hash_args(args, opts)
args = [args] unless args.is_a? Array
if args.one? && !(args.first.keys & HASH_KEYS).empty?
Definition.new(nil, opts)
else
opts = args.extract_options!
raise opts.inspect
end
end
end
end
Version data entries
5 entries across 5 versions & 2 rubygems