/*
* Open Source Physics software is free software as described near the bottom of this code file.
*
* For additional information and documentation on Open Source Physics please see:
* <http://www.opensourcephysics.org/>
*/
package org.opensourcephysics.numerics;
/**
* MathExpParser defines an abstract super class for mathematical expression parsers.
*/
public abstract class MathExpParser implements Function, MultiVarFunction {
/** No error. */
public static final int NO_ERROR = 0;
/** Syntax error. */
public static final int SYNTAX_ERROR = 1;
/**
* Parses the function string using existing variable names.
*
* @param funcStr the function to be parsed
*/
public abstract void setFunction(String funcStr) throws ParserException;
/**
* Parses the function string using existing variable names.
*
* @param funcStr the function to be parsed
* @param vars the function's variables
*/
public abstract void setFunction(String funcStr, String[] vars) throws ParserException;
/**
* Gets the function string.
*/
public abstract String getFunction();
public static MathExpParser createParser() {
return new SuryonoParser(0);
}
/**
* Returns names of functions recognized by the parser.
*
* @return array of function names
*/
public abstract String[] getFunctionNames();
}
/*
* Open Source Physics software is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public License (GPL) as
* published by the Free Software Foundation; either version 2 of the License,
* or(at your option) any later version.
* Code that uses any portion of the code in the org.opensourcephysics package
* or any subpackage (subdirectory) of this package must must also be be released
* under the GNU GPL license.
*
* This software 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
* or view the license online at http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2007 The Open Source Physics project
* http://www.opensourcephysics.org
*/