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Contents
module Lolita
module Support
# Containes different kind of formaters.
# Change output format of different input types.
# To define, pass block, or String.
# ====Exmaple
# Lolita::Support::Formatter.new do |value|
# value.to_i**2
# end
# # or as String
# Lolita::Support::Formatter.new("%U")
# To format any value with defined formater call #with
# ====Example
# # Previous examples may be called like this
# formatter.with(1)
# formatter.with(Date.today)
class Formatter
def initialize(format=nil,&block)
@format=format
@block=block if block_given?
end
def format
@format
end
def block
@block
end
def with(value,*optional_values)
if @block
@block.call(value,*optional_values)
elsif @format
use_format_for(value,*optional_values)
else
use_default_format(value,*optional_values)
end
end
private
def use_default_format(value,*optional_values)
value
end
def use_format_for(value, *optional_values)
if value.respond_to?(:format)
call_block(value,*optional_values)
else
@format ? (@format % value) : value
end
end
def call_block(value,*optional_values)
value.send(:format,value,*optional_values)
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems