fr.umlv.tatoo.runtime.tools
Class DataViewer<B,D>

java.lang.Object
  fr.umlv.tatoo.runtime.tools.DataViewer<B,D>

Type Parameters:

B - type of the buffer.

D - type of data.

public abstract class DataViewer<B,D>
extends Object

Acts as a projection. Allow to get the buffer or a view of the buffer in the parser processor.

Author:

Remi Forax

Constructor Summary

DataViewer()

Method Summary

static <B> DataViewer<B,B>	getIdentityDataViewer() Returns the identity projection.
static <D> DataViewer<TokenBuffer<D>,D>	getTokenBufferViewer() Returns the TokenBuffer.view() projection.
abstract D	view(B buffer) Defines the projection.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataViewer

public DataViewer()

Method Detail

view

public abstract D view(B buffer)

Defines the projection.

Parameters:

buffer - the buffer

Returns:

the data sent to the semantic part.

getIdentityDataViewer

public static <B> DataViewer<B,B> getIdentityDataViewer()

Returns the identity projection. The buffer will be sent to the parser processor.

Type Parameters:

B - type of the buffer.

Returns:

a data viewer that performs an identity projection.

getTokenBufferViewer

public static <D> DataViewer<TokenBuffer<D>,D> getTokenBufferViewer()

Returns the TokenBuffer.view() projection. The result of a call to will TokenBuffer.view() on the buffer will be sent to the parser processor.

Type Parameters:

D - type of view's items.

Returns:

a data viewer that performs a TokenBuffer.view() projection.