ru.sstu.math.ep
Class Parser

java.lang.Object
  ru.sstu.math.ep.Parser

public class Parser
extends Object

Parser class parses string as mathematical expression, builds tree and creates Expression.

Since:

Math 1.0

Author:

Denis A. Murashev

Nested Class Summary

static class	Parser.EmptyExpressionException Cannot compile empty string.
static class	Parser.NoBracketException Closing bracket expected.
static class	Parser.UnexpectedBracketException Unexpected closing bracket.

Constructor Summary

Parser()

Method Summary

Expression	compile(String expression) Compiles string into expression.
Expression	compile(String expression, Iterable<String> variables) Compiles expression.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Parser

public Parser()

Method Detail

compile

public Expression compile(String expression)
                   throws org.apache.commons.math.MathException

Compiles string into expression.

Parameters:

expression - expression

Returns:

compiled expression

Throws:

org.apache.commons.math.MathException - if cannot compile expression

compile

public Expression compile(String expression,
                          Iterable<String> variables)
                   throws org.apache.commons.math.MathException

Compiles expression.

Parameters:

expression - expression

variables - variables

Returns:

compiled expression

Throws:

org.apache.commons.math.MathException - if cannot compile expression