# Package org.apache.fop.fo.expr

Classes for XSL expressions and functions.

See: Description

Interface Summary
Function: Interface for managing XSL-FO Functions

Class Summary
AbsFunction: Class modelling the abs Number Function.
BodyStartFunction: Class corresponding to the body-start Property Value function.
FromNearestSpecifiedValueFunction: Class modelling the from-nearest-specified-value function.
FromParentFunction: Class modelling the from-parent Property Value function.
FromTableColumnFunction: Class modelling the from-table-column Property Value function.
FunctionBase: Abstract Base class for XSL-FO functions
InheritedPropFunction: Class modelling the inherited-property-value Property Value function.
LabelEndFunction: Class modelling the label-end Property Value function.
MaxFunction: Class for managing the "max" Number Function.
MinFunction: Class for managing the "min" Number Function.
NCnameProperty: Class for handling NC Name objects
NumericOp: This class contains static methods to evaluate operations on Numeric operands.
NumericProperty: A numeric property which hold the final absolute result of an expression calculations.
OCAColorFunction
PropertyInfo: This class holds context information needed during property expression evaluation.
PropertyParser: Class to parse XSL-FO property expressions.
ProportionalColumnWidthFunction: Class modelling the proportional-column-width function.
RelativeNumericProperty: This class represent a node in a property expression tree.

Exception Summary
PropertyException: Class for managing exceptions that are raised in Property processing.

## Package org.apache.fop.fo.expr Description

Classes for XSL expressions and functions.