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#!/usr/bin/python3
##
## @file translateMath.py
## @brief Translates infix formulas into MathML and vice-versa
## @author Sarah Keating
## @author Ben Bornstein
##
##
## <!--------------------------------------------------------------------------
## This sample program is distributed under a different license than the rest
## of libSBML. This program uses the open-source MIT license, as follows:
##
## Copyright (c) 2013-2018 by the California Institute of Technology
## (California, USA), the European Bioinformatics Institute (EMBL-EBI, UK)
## and the University of Heidelberg (Germany), with support from the National
## Institutes of Health (USA) under grant R01GM070923. All rights reserved.
##
## Permission is hereby granted, free of charge, to any person obtaining a
## copy of this software and associated documentation files (the "Software"),
## to deal in the Software without restriction, including without limitation
## the rights to use, copy, modify, merge, publish, distribute, sublicense,
## and/or sell copies of the Software, and to permit persons to whom the
## Software is furnished to do so, subject to the following conditions:
##
## The above copyright notice and this permission notice shall be included in
## all copies or substantial portions of the Software.
##
## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
## IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
## THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
## FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
## DEALINGS IN THE SOFTWARE.
##
## Neither the name of the California Institute of Technology (Caltech), nor
## of the European Bioinformatics Institute (EMBL-EBI), nor of the University
## of Heidelberg, nor the names of any contributors, may be used to endorse
## or promote products derived from this software without specific prior
## written permission.
## ------------------------------------------------------------------------ -->
##
import sys
import time
import os
import os.path
from libsbml import *
#
# Translates the given infix formula into MathML.
#
# @return the MathML as a string. The caller owns the memory and is
# responsible for freeing it.
#
def translateInfix(formula):
math = parseFormula(formula)
return writeMathMLToString(math)
#
# Translates the given MathML into an infix formula. The MathML must
# contain no leading whitespace, but an XML header is optional.
#
# @return the infix formula as a string. The caller owns the memory and
# is responsible for freeing it.
#
def translateMathML(xml):
math = readMathMLFromString(xml)
return formulaToString(math)
def main(args):
"""Usage: readSBML filename
"""
print("This program translates infix formulas into MathML and")
print("vice-versa. Enter or return on an empty line triggers")
print("translation. Ctrl-C quits")
sb = ""
try:
while True:
print("Enter infix formula or MathML expression (Ctrl-C to quit):")
print("> ")
line = sys.stdin.readline()
while line is not None:
trimmed = line.strip()
length = len(trimmed)
if length > 0:
sb = sb + trimmed
else:
str = sb
result = ""
if str[0] == '<':
result = translateMathML(str)
else:
result = translateInfix(str)
print("Result:\n\n" + result + "\n\n")
sb = ""
break
line = sys.stdin.readline()
except:
pass
return 0
if __name__ == '__main__':
main(sys.argv)
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