Sha256: 1a2eb3ed028805ca49e8abdb67a3ca85667faf51e3c1928fdbecd3e9ead93d59
Contents?: true
Size: 912 Bytes
Versions: 9
Compression:
Stored size: 912 Bytes
Contents
require 'logirel/queries/query'
module Logirel
module Queries
class StrQ < Query
def initialize(question,
default = nil,
io_source = STDIN,
validator = nil,
io_target = STDOUT)
@question = question
@default = default
@io_source = io_source
@validator = validator || lambda { |_| true }
@io_target = io_target
@answer = ""
end
def answer
@answer.empty? ? @default : @answer
end
def exec
@io_target.print @question + " [#{@default}]: "
begin
@answer = @io_source.gets.chomp
valid = @validator.call(@answer)
end while !valid || (!valid && @answer.empty?)
@answer = @answer.empty? ? @default : @answer
@io_target.puts "Chose '#{@answer}'."
@answer
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems