jnr.ffi

Class StructLayout.Pointer

java.lang.Object

jnr.ffi.StructLayout.Field

jnr.ffi.StructLayout.NumberField

jnr.ffi.StructLayout.Pointer

Enclosing class:

StructLayout

public class StructLayout.Pointer
extends StructLayout.NumberField

Represents a native memory address.

Field Summary

Fields inherited from class jnr.ffi.StructLayout.NumberField

type

Constructor Summary

Constructors

Constructor and Description
Pointer() Creates a new Address field.
Pointer(StructLayout.Offset offset)

Method Summary

Modifier and Type	Method and Description
Pointer	get(Pointer ptr) Gets the Pointer value from the native memory.
int	intValue(Pointer ptr) Returns an integer representation of this Pointer.
long	longValue(Pointer ptr) Returns an long representation of this Pointer.
void	set(Pointer ptr, Number value) Sets the field to a new value.
void	set(Pointer ptr, Pointer value) Sets a Pointer value in the native memory.
int	size() Gets the size of a Pointer in bits
String	toString(Pointer ptr) Returns a string representation of this Pointer.

Methods inherited from class jnr.ffi.StructLayout.NumberField

byteValue, doubleValue, floatValue, shortValue

Methods inherited from class jnr.ffi.StructLayout.Field

enclosing, offset

Methods inherited from class java.lang.Object

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

Constructor Detail

Pointer

public Pointer()

Creates a new Address field.

Pointer

public Pointer(StructLayout.Offset offset)

Method Detail

get

public final Pointer get(Pointer ptr)

Gets the Pointer value from the native memory.

Parameters:

ptr - The pointer to the field.

Returns:

a Pointer.

size

public final int size()

Gets the size of a Pointer in bits

Returns:

the size of the Pointer

set

public final void set(Pointer ptr,
                      Pointer value)

Sets a Pointer value in the native memory.

Parameters:

ptr - The pointer to the write location.

value - The value to set.

set

public void set(Pointer ptr,
                Number value)

Description copied from class: StructLayout.NumberField

Sets the field to a new value.

Specified by:

set in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

value - The new value.

intValue

public final int intValue(Pointer ptr)

Returns an integer representation of this Pointer.

Specified by:

intValue in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

an integer value for this Pointer.

longValue

public final long longValue(Pointer ptr)

Returns an long representation of this Pointer.

Overrides:

longValue in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

an long value for this Pointer.

toString

public final String toString(Pointer ptr)

Returns a string representation of this Pointer.

Overrides:

toString in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

a string representation of this Pointer.