Package com.kenai.jffi

Class HeapInvocationBuffer.DefaultEncoder

java.lang.Object

com.kenai.jffi.HeapInvocationBuffer.Encoder

com.kenai.jffi.HeapInvocationBuffer.DefaultEncoder

Enclosing class:

HeapInvocationBuffer

private static final class HeapInvocationBuffer.DefaultEncoder
extends HeapInvocationBuffer.Encoder

Field Summary

Fields

Modifier and Type	Field	Description
private HeapInvocationBuffer.ArrayIO	io

Constructor Summary

Constructors

Constructor	Description
DefaultEncoder(HeapInvocationBuffer.ArrayIO io)

Method Summary

Modifier and Type	Method	Description
int	getBufferSize(CallContext callContext)	Gets the size in bytes of the buffer required for the function
int	putAddress(byte[] buffer, int offset, long value)	Encodes a native memory address value into the byte array.
int	putByte(byte[] buffer, int offset, int value)	Encodes a byte value into the byte array.
int	putDouble(byte[] buffer, int offset, double value)	Encodes a double value into the byte array.
int	putFloat(byte[] buffer, int offset, float value)	Encodes a float value into the byte array.
int	putInt(byte[] buffer, int offset, int value)	Encodes an int value into the byte array.
int	putLong(byte[] buffer, int offset, long value)	Encodes a long value into the byte array.
int	putShort(byte[] buffer, int offset, int value)	Encodes a short value into the byte array.
int	skipAddress(int offset)

Methods inherited from class com.kenai.jffi.HeapInvocationBuffer.Encoder

getInstance

Methods inherited from class java.lang.Object

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

Field Detail

io

private final HeapInvocationBuffer.ArrayIO io

Constructor Detail

DefaultEncoder

public DefaultEncoder(HeapInvocationBuffer.ArrayIO io)

Method Detail

getBufferSize

public final int getBufferSize(CallContext callContext)

Description copied from class: HeapInvocationBuffer.Encoder

Gets the size in bytes of the buffer required for the function

Specified by:

getBufferSize in class HeapInvocationBuffer.Encoder

putByte

public final int putByte(byte[] buffer,
                         int offset,
                         int value)

Description copied from class: HeapInvocationBuffer.Encoder

Encodes a byte value into the byte array.

Specified by:

putByte in class HeapInvocationBuffer.Encoder

Parameters:

buffer - The destination byte buffer to place the encoded value.

offset - The offset within the destination buffer to place the value.

value - The value to encode.

Returns:

The number of bytes consumed in encoding the value.

putShort

public final int putShort(byte[] buffer,
                          int offset,
                          int value)

Description copied from class: HeapInvocationBuffer.Encoder

Encodes a short value into the byte array.

Specified by:

putShort in class HeapInvocationBuffer.Encoder

Parameters:

buffer - The destination byte buffer to place the encoded value.

offset - The offset within the destination buffer to place the value.

value - The value to encode.

Returns:

The number of bytes consumed in encoding the value.

putInt

public final int putInt(byte[] buffer,
                        int offset,
                        int value)

Description copied from class: HeapInvocationBuffer.Encoder

Encodes an int value into the byte array.

Specified by:

putInt in class HeapInvocationBuffer.Encoder

Parameters:

buffer - The destination byte buffer to place the encoded value.

offset - The offset within the destination buffer to place the value.

value - The value to encode.

Returns:

The number of bytes consumed in encoding the value.

putLong

public final int putLong(byte[] buffer,
                         int offset,
                         long value)

Description copied from class: HeapInvocationBuffer.Encoder

Encodes a long value into the byte array.

Specified by:

putLong in class HeapInvocationBuffer.Encoder

Parameters:

buffer - The destination byte buffer to place the encoded value.

offset - The offset within the destination buffer to place the value.

value - The value to encode.

Returns:

The number of bytes consumed in encoding the value.

putFloat

public final int putFloat(byte[] buffer,
                          int offset,
                          float value)

Description copied from class: HeapInvocationBuffer.Encoder

Encodes a float value into the byte array.

Specified by:

putFloat in class HeapInvocationBuffer.Encoder

Parameters:

buffer - The destination byte buffer to place the encoded value.

offset - The offset within the destination buffer to place the value.

value - The value to encode.

Returns:

The number of bytes consumed in encoding the value.

putDouble

public final int putDouble(byte[] buffer,
                           int offset,
                           double value)

Description copied from class: HeapInvocationBuffer.Encoder

Encodes a double value into the byte array.

Specified by:

putDouble in class HeapInvocationBuffer.Encoder

Parameters:

buffer - The destination byte buffer to place the encoded value.

offset - The offset within the destination buffer to place the value.

value - The value to encode.

Returns:

The number of bytes consumed in encoding the value.

putAddress

public final int putAddress(byte[] buffer,
                            int offset,
                            long value)

Description copied from class: HeapInvocationBuffer.Encoder

Encodes a native memory address value into the byte array.

Specified by:

putAddress in class HeapInvocationBuffer.Encoder

Parameters:

buffer - The destination byte buffer to place the encoded value.

offset - The offset within the destination buffer to place the value.

value - The value to encode.

Returns:

The number of bytes consumed in encoding the value.

skipAddress

public int skipAddress(int offset)

Specified by:

skipAddress in class HeapInvocationBuffer.Encoder