/**
* Copyright 2011-2014 Asakusa Framework Team.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.asakusafw.dmdl.spi;
import com.asakusafw.dmdl.Diagnostic;
import com.asakusafw.dmdl.Diagnostic.Level;
import com.asakusafw.dmdl.model.AstAttribute;
import com.asakusafw.dmdl.semantics.Declaration;
import com.asakusafw.dmdl.semantics.DmdlSemantics;
import com.asakusafw.dmdl.semantics.ModelDeclaration;
/**
* {@link AttributeDriver} for {@link ModelDeclaration}s.
* @since 0.2.4
* @version 0.7.0
*/
public abstract class ModelAttributeDriver extends AttributeDriver {
@Override
public final void process(
DmdlSemantics environment,
Declaration declaration,
AstAttribute attribute) {
assert attribute.name.toString().equals(getTargetName());
if ((declaration instanceof ModelDeclaration) == false) {
environment.report(new Diagnostic(
Level.ERROR,
declaration.getOriginalAst(),
Messages.getString("ModelAttributeDriver.diagnosticInvalidAttribute"), //$NON-NLS-1$
getTargetName()));
return;
}
process(environment, (ModelDeclaration) declaration, attribute);
}
@Override
public final void verify(
DmdlSemantics environment,
Declaration declaration,
AstAttribute attribute) {
assert attribute.name.toString().equals(getTargetName());
if ((declaration instanceof ModelDeclaration) == false) {
return;
}
verify(environment, (ModelDeclaration) declaration, attribute);
}
/**
* Processes and modifies the attributed data model declaration.
* @param environment the processing environment
* @param attribute the attribute with the {@link #getTargetName() target name}
* @param declaration the model declaration with the {@code attribute}
* @see #getTargetName()
*/
public abstract void process(
DmdlSemantics environment,
ModelDeclaration declaration,
AstAttribute attribute);
/**
* Verifies the attributed declaration.
* This will be invoked after all attributes are
* {@link AttributeDriver#process(DmdlSemantics, Declaration, AstAttribute) processed}.
* @param environment the processing environment
* @param attribute the attribute with the {@link #getTargetName() target name}
* @param declaration the model declaration with the {@code attribute}
* @see #getTargetName()
* @since 0.7.0
*/
public void verify(
DmdlSemantics environment,
ModelDeclaration declaration,
AstAttribute attribute) {
return;
}
}