csheets.core.formula.compiler

Class FormulaCompiler

java.lang.Object

csheets.core.formula.compiler.FormulaCompiler

public class FormulaCompiler
extends Object

A compiler that generates formulas from strings.

Author:

Einar Pehrson

Method Summary

Methods

Modifier and Type	Method and Description
Formula	compile(Cell cell, String source) Compiles a formula for the given cell from the given string.
static FormulaCompiler	getInstance() Returns the singleton instance.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static FormulaCompiler getInstance()

Returns the singleton instance.

Returns:

the singleton instance

compile

public Formula compile(Cell cell,
              String source)
                throws FormulaCompilationException

Compiles a formula for the given cell from the given string.

Parameters:

cell - the cell for which a formula is to be generated

source - a string representing the formula to be compiled

Returns:

a list of lexical tokens

Throws:

FormulaCompilationException - if the formula could not be compiled