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Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
module TwitterCldr
module Formatters
module Numbers
class Integer < Base
attr_reader :format, :separator, :groups
def initialize(token, symbols = {})
format = token.value.split('.')[0]
@format = prepare_format(format, symbols)
@groups = parse_groups(format)
@separator = symbols[:group] || ','
end
def apply(number, options = {})
format_groups(interpolate(format, number.to_i))
end
def format_groups(string)
return string if groups.empty?
tokens = []
tokens << chop_group(string, groups.first)
tokens << chop_group(string, groups.last) until string.empty?
tokens.compact.reverse.join(separator)
end
def parse_groups(format)
return [] unless index = format.rindex(',')
rest = format[0, index]
widths = [format.size - index - 1]
widths << rest.size - rest.rindex(',') - 1 if rest.rindex(',')
widths.compact.uniq
end
def chop_group(string, size)
string.slice!([string.size - size, 0].max, size)
end
def prepare_format(format, symbols)
signs = symbols.values_at(:plus_sign, :minus_sign)
format.tr(',', '').tr('+-', signs.join)
end
end
end
end
end
Version data entries
46 entries across 46 versions & 2 rubygems