Sha256: 0b44ad74eddb89209663e3a578bb99e3a943c45282c4703708566ecd8e7e6cea
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Size: 1.58 KB
Versions: 7
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Stored size: 1.58 KB
Contents
module Decanter
module ValueParser
module Core
def self.included(base)
base.extend(ClassMethods)
end
module ClassMethods
def parse(name, values, options={})
value_ary = values.is_a?(Array) ? values : [values]
# want to treat 'false' as an actual value
if value_ary.all? { |value| value.nil? || value == "" }
if options[:required]
raise ArgumentError.new("No value for required argument: #{name}")
else
return { name => nil }
end
end
if @allowed && value_ary.all? { |value| @allowed.include?(value.class) }
return { name => values }
end
unless @parser
raise ArgumentError.new("No parser for argument: #{name} with types: #{value_ary.map(&:class).join(', ')}")
end
case @result
when :raw
# Parser result must be a hash
parsed = @parser.call(name, values, options)
parsed.is_a?(Hash) ?
parsed :
raise(ArgumentError.new("Result of parser #{self.name} with values #{values} was #{parsed} when it must be a hash."))
else
# Parser result will be treated as a single value belonging to the name
{ name => @parser.call(name, values, options) }
end
end
def parser(&block)
@parser = block
end
def allow(*args)
@allowed = args
end
def result(opt)
@result = opt
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems