#! /usr/bin/env python
#
# FILE: variables.py
# (C) 2001 Frank R. Schaefer
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
######################################################################################
from GetPot import GetPot
from sys import *
cl = GetPot(argv); # command line args
# (1) search for multiple options with the same meaning
if cl.search("--help", "-h", "--hilfe", "--sos") or cl.size() == 1:
print
print "Example how to use GetPot to parse variables on the command line."
print
print "USAGE:"
print "--help, -h, --hilfe, --sos"
print " get some help about this program."
print "--internal-information, -i"
print " show contents of database that was created by parser."
print
print "type a command line like the following:"
print cl[0] + " string=otto.von.bismarck float=3.14 \\"
print " integer=41 vector='1.26 something 0x40'"
print
print "the variables that can be specified are:"
print " float a double variable"
print " integer an integer variable"
print " string a string variable"
print " vector a mixed type vector:"
print " element 0 => double "
print " element 1 => string"
print " element 2 => int"
print
exit(0)
if cl.search("--internal-information", "-i"):
cl.Print()
exit(0);
# (2) some variables of each type
A_Number = cl("float", 0.);
An_Integer = cl("integer", 0);
A_String = cl("string", "default");
Element1 = cl("vector", 0., 0);
Element2 = cl("vector", "default", 1);
Element3 = cl("vector", 0, 2);
print "Specified Parameters:"
print "float = %f " % A_Number
print "integer = %i " % An_Integer
print "string = %s " % A_String
print
print "Vector elements:"
print "Element 0 (double) = %f " % Element1
print "Element 1 (string) = %s " % Element2
print "Element 2 (int) = %i " % Element3
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