# -*- coding: utf-8 -*-
#
# This file is part of the Christine project
#
# Copyright (c) 2006-2007 Marco Antonio Islas Cruz
#
# Christine is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Christine 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# @category libchristine
# @package Validator
# @author Miguel Vazquez Gocobachi <demrit@gnu.org>
# @author Rodrigo Garcia <nibblesmx@gmail.com>
# @author Marco Islas <markuz@islascruz.org>
# @copyright 2007 Christine Development Group
# @license http://www.gnu.org/licenses/gpl.txt
import os
#
# Compare if it is none or not
#
# @param void
# @return boolean
def isNull(value):
"""
Compare if it is none or not
"""
if value != None:
return False
return True
#
# Compare if it is none or not
#
# @param void
# @return boolean
def isBoolean(value):
"""
Compare if it is boolean or not
"""
return isinstance(value, bool)
#
# Compare if it is integer or not
#
# @param void
# @return boolean
def isInteger(value):
"""
Compare if it is integer or not
"""
return isinstance(value, int)
#
# Compare if it is float or not
#
# @param void
# @return boolean
def isFloat(value):
"""
Compare if it is float or not
"""
return isinstance(value, float)
#
# Compare if it is string or not
#
# @param void
# @return boolean
def isString(value):
"""
Compare if it is string or not
"""
return isinstance(value, str) or isinstance(value, unicode)
#
# Compare string if it is empty or not
#
# @param void
# @return boolean
def isStringEmpty(value):
"""
Compare string if it is empty or not
"""
if isinstance(value, str):
return (len(value) == 0)
return False
#
# Compare if it is a file or not
#
# @param void
# @return boolean
def isFile(value):
"""
Compare if it is a file or not
"""
if value:
return os.path.isfile(value)
return False
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