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#!/usr/bin/env ruby
#
##
## @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.
## ------------------------------------------------------------------------ -->
##
require 'libSBML'
#
#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 = LibSBML::parseFormula(formula);
return LibSBML::writeMathMLToString(math);
end
#
# 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 = LibSBML::readMathMLFromString(xml);
return LibSBML::formulaToString(math);
end
# don't print the exception
trap("SIGINT") { exit! }
puts "This program translates infix formulas into MathML and"
puts "vice-versa. Enter or return on an empty line triggers"
puts "translation. Ctrl-C quits"
sb = ""
begin
while true
puts "Enter infix formula or MathML expression (Ctrl-C to quit):"
print ("> ")
STDOUT.flush
line = gets
while line != nil:
trimmed = line.strip!
length = trimmed.size
if (length > 0)
sb = sb + trimmed;
else
str = sb;
result = ""
if (str[0] == 60)
result = translateMathML(str)
else
result = translateInfix(str)
end
print("Result:\n\n #{result}\n\n");
sb = "";
break;
end
line = gets
end
end
rescue SystemExit, Interrupt, Exception
end
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