csheets.core.formula.util
Class ExpressionBuilder

java.lang.Object
  csheets.core.formula.util.ExpressionBuilder

All Implemented Interfaces:

ExpressionVisitor

Direct Known Subclasses:

ReferenceTransposer, TestCaseBuilder

public class ExpressionBuilder
extends Object
implements ExpressionVisitor

A base-class for classes that rebuild expressions. In this form, it simply copies expressions.

Author:

Einar Pehrson

Constructor Summary

ExpressionBuilder()
Creates a new expression builder.

Method Summary

Expression	getExpression(Expression expression) Returns a copy of the given expression.
Expression	visitBinaryOperation(BinaryOperation operation) Visits the given binary expression.
Expression	visitFunctionCall(FunctionCall call) Visits the given function call.
Expression	visitLiteral(Literal literal) Visits the given literal.
Expression	visitReference(Reference reference) Visits the given cell reference.
Expression	visitUnaryOperation(UnaryOperation operation) Visits the given unary expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionBuilder

public ExpressionBuilder()

Creates a new expression builder.

Method Detail

getExpression

public Expression getExpression(Expression expression)

Returns a copy of the given expression.

Parameters:

expression - the expression to rebuild

Returns:

the rebuilt expression

visitLiteral

public Expression visitLiteral(Literal literal)

Description copied from interface: ExpressionVisitor

Visits the given literal.

Specified by:

visitLiteral in interface ExpressionVisitor

Parameters:

literal - the literal to visit

Returns:

an arbitrary object

visitUnaryOperation

public Expression visitUnaryOperation(UnaryOperation operation)

Description copied from interface: ExpressionVisitor

Visits the given unary expression.

Specified by:

visitUnaryOperation in interface ExpressionVisitor

Parameters:

operation - the operation to visit

Returns:

an arbitrary object

visitBinaryOperation

public Expression visitBinaryOperation(BinaryOperation operation)

Description copied from interface: ExpressionVisitor

Visits the given binary expression.

Specified by:

visitBinaryOperation in interface ExpressionVisitor

Parameters:

operation - the operation to visit

Returns:

an arbitrary object

visitReference

public Expression visitReference(Reference reference)

Description copied from interface: ExpressionVisitor

Visits the given cell reference.

Specified by:

visitReference in interface ExpressionVisitor

Parameters:

reference - the reference to visit

Returns:

an arbitrary object

visitFunctionCall

public Expression visitFunctionCall(FunctionCall call)

Description copied from interface: ExpressionVisitor

Visits the given function call.

Specified by:

visitFunctionCall in interface ExpressionVisitor

Parameters:

call - the function call to visit

Returns:

an arbitrary object