class Templater::ArgumentDescription
Public Instance Methods
extract(argument)
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# File lib/templater/description.rb, line 47 def extract(argument) case options[:as] when :hash if argument.is_a?(String) return argument.split(',').inject({}) do |h, pair| key, value = pair.strip.split(':') raise Templater::MalformattedArgumentError, "Expected '#{argument.inspect}' to be a key/value pair" unless key and value h[key] = value h end end when :array return argument.split(',') if argument.is_a?(String) end return argument end
valid?(argument)
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Checks if the given argument is valid according to this description
Parameters¶ ↑
- argument<Object>
-
Checks if the given argument is valid.
Returns¶ ↑
- Boolean
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Validity of the argument
# File lib/templater/description.rb, line 29 def valid?(argument) if argument.nil? and options[:required] raise Templater::TooFewArgumentsError elsif not argument.nil? if options[:as] == :hash and not argument.is_a?(Hash) raise Templater::MalformattedArgumentError, "Expected the argument to be a Hash, but was '#{argument.inspect}'" elsif options[:as] == :array and not argument.is_a?(Array) raise Templater::MalformattedArgumentError, "Expected the argument to be an Array, but was '#{argument.inspect}'" end invalid = catch :invalid do block.call(argument) if block throw :invalid, :not_invalid end raise Templater::ArgumentError, invalid unless invalid == :not_invalid end end