Sha256: 67ce9bf7a8816e226684d4d632f7ba82035ab628ff093250165b438cdabf8582
Contents?: true
Size: 1.38 KB
Versions: 8
Compression:
Stored size: 1.38 KB
Contents
# encoding: utf-8
module TTY
class Prompt
# Immutable collection of converters for type transformation
#
# @api private
class ConverterRegistry
# Create a registry of conversions
#
# @param [Hash] registry
#
# @api private
def initialize(registry = {})
@_registry = registry.dup.freeze
freeze
end
# Register converter
#
# @param [Symbol] name
# the converter name
#
# @api public
def register(name, contents = nil, &block)
item = block_given? ? block : contents
if key?(name)
raise ArgumentError,
"Converter for #{name.inspect} already registered"
end
self.class.new(@_registry.merge(name => item))
end
# Check if converter is registered
#
# @return [Boolean]
#
# @api public
def key?(key)
@_registry.key?(key)
end
# Execute converter
#
# @api public
def call(name, input)
if name.respond_to?(:call)
converter = name
else
converter = @_registry.fetch(name) do
raise ArgumentError, "#{name.inspect} is not registered"
end
end
converter[input]
end
alias [] call
def inspect
@_registry.inspect
end
end # ConverterRegistry
end # Prompt
end # TTY
Version data entries
8 entries across 8 versions & 2 rubygems