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Versions: 14
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Stored size: 1.22 KB
Contents
class Lastfm
class Util
def self.force_array(array_or_something)
array_or_something.kind_of?(Array) ? array_or_something : [array_or_something]
end
def self.build_options(args, mandatory, optional)
if args.first.is_a?(Hash)
build_options_from_hash(args.first, mandatory, optional)
else
build_options_from_array(args, mandatory, optional)
end
end
def self.build_options_from_hash(options, mandatory, optional)
mandatory.each do |name|
raise ArgumentError.new("%s is required" % name) unless options[name]
end
optional.each do |name, value|
options[name] ||= value.kind_of?(Proc) ? value.call : value
end
options
end
def self.build_options_from_array(values, mandatory, optional)
options = {}
mandatory.each_with_index do |name, index|
raise ArgumentError.new('%s is required' % name) unless values[index]
options[name] = values[index]
end
optional.each_with_index do |name, index|
value = name[1]
if value.kind_of?(Proc)
value = value.call
end
options[name[0]] = values[index + mandatory.size] || value
end
options
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems