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#!/usr/bin/env perl
# -*-Perl-*-
##
## \file translateMath.pl
## \brief Translates infix formulas into MathML and vice-versa
## \author TBI {xtof,raim}@tbi.univie.ac.at
##
##
## Copyright 2005 TBI
##
## 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
## 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. The software and
## documentation provided hereunder is on an "as is" basis, and the
## California Institute of Technology and Japan Science and Technology
## Corporation have no obligations to provide maintenance, support,
## updates, enhancements or modifications. In no event shall the
## California Institute of Technology or the Japan Science and Technology
## Corporation be liable to any party for direct, indirect, special,
## incidental or consequential damages, including lost profits, arising
## out of the use of this software and its documentation, even if the
## California Institute of Technology and/or Japan Science and Technology
## Corporation have been advised of the possibility of such damage. 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
##
## The original code contained here was initially developed by:
##
## Christoph Flamm and Rainer Machne
## Institut fuer Theoretische Chemie
## Universitaet Wien
## Waehringerstrasse 17/3/308
## A-1090 Wien, Austria
#use blib '../../src/bindings/perl';
use LibSBML;
use strict;
print
"\nThis program translates infix formulas into MathML and\n",
"vice-versa. Enter or return on an empty line triggers\n",
"translation. Ctrl-C quits\n\n";
while (1) {
my $math = "";
print "Enter infix formula or MathML expression (Ctrl-C to quit):\n\n> ";
while (my $line = util_trim($_ = <>)) { $math .= "$line\n" }
print
"Result:\n\n",
($math =~ m/^</) ? translateMathML($math) : translateInfix($math),
"\n\n\n";
}
#---
sub translateInfix {
my $expr = shift;
LibSBML::writeMathMLToString(LibSBML::parseFormula($expr));
}
#---
sub translateMathML {
my $xml = shift;
$xml = "<?xml version='1.0' encoding='ascii'?>\n" . $xml
unless $xml =~ m/^<\?/;
LibSBML::formulaToString(LibSBML::readMathMLFromString($xml));
}
#---
sub util_trim {
local $_ = shift;
s/^\s+//; s/\s+$//; chomp();
return $_;
}
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