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Contents
# -*- coding: utf-8 -*-
# codin_rep - Gem para acesso de REPs da Telebyte
# Copyright (C) 2016 O.S. Systems Softwares Ltda.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Rua Clóvis Gularte Candiota 132, Pelotas-RS, Brasil.
# e-mail: contato@ossystems.com.br
module CodinRep
module TimeUtil
class << self
def pack(time=nil)
# The current weekday is expected by the REP in the following format: 1
# for Sunday, 2 for Monday and so on. However there's no direct
# transformation using Time#strftime for the weekday. So we use
# String#next, which adds + 1 to the last character on it, which is
# exactly what the format requires.
formated_time = time.strftime('%H %M %S %d %m %y 0%w').next
codified_time = formated_time.split.collect{|c| c.to_i(16)}.pack('C*')
codified_time
end
def unpack(time)
hours, minutes, seconds,
day, month, year,
weekday = time.unpack('H2H2H2H2H2H2C').collect{|c| c.to_i}
# Year is in 2-digit format, so add 2000 to it:
year += 2000
time = Time.new(year, month, day, hours, minutes, seconds)
if weekday - 1 != time.wday
message = "Received weekday is wrong. Expected: #{time.wday + 1}; " +
"received: #{weekday}"
raise WrongWeekday.new(message)
end
time
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems