Package org.aspectj.org.eclipse.jdt.internal.core.util

Source Code of org.aspectj.org.eclipse.jdt.internal.core.util.DOMFinder

/*******************************************************************************
* Copyright (c) 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*     IBM Corporation - initial API and implementation
*******************************************************************************/
package org.aspectj.org.eclipse.jdt.internal.core.util;

import org.aspectj.org.eclipse.jdt.core.IInitializer;
import org.aspectj.org.eclipse.jdt.core.IMember;
import org.aspectj.org.eclipse.jdt.core.ISourceRange;
import org.aspectj.org.eclipse.jdt.core.JavaModelException;
import org.aspectj.org.eclipse.jdt.core.dom.ASTNode;
import org.aspectj.org.eclipse.jdt.core.dom.ASTVisitor;
import org.aspectj.org.eclipse.jdt.core.dom.AnnotationTypeDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.AnnotationTypeMemberDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.AnonymousClassDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.ClassInstanceCreation;
import org.aspectj.org.eclipse.jdt.core.dom.CompilationUnit;
import org.aspectj.org.eclipse.jdt.core.dom.EnumConstantDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.EnumDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.IBinding;
import org.aspectj.org.eclipse.jdt.core.dom.ImportDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.Initializer;
import org.aspectj.org.eclipse.jdt.core.dom.MethodDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.PackageDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.TypeDeclaration;
import org.aspectj.org.eclipse.jdt.core.dom.TypeParameter;
import org.aspectj.org.eclipse.jdt.core.dom.VariableDeclarationFragment;
import org.aspectj.org.eclipse.jdt.internal.core.SourceRefElement;

public class DOMFinder extends ASTVisitor {
 
  public ASTNode foundNode = null;
  public IBinding foundBinding = null;
 
  private CompilationUnit ast;
  private SourceRefElement element;
  private boolean resolveBinding;
  private int rangeStart = -1, rangeLength = 0;
 
  public DOMFinder(CompilationUnit ast, SourceRefElement element, boolean resolveBinding) {
    this.ast = ast;
    this.element = element;
    this.resolveBinding = resolveBinding;
  }
 
  protected boolean found(ASTNode node, ASTNode name) {
    if (name.getStartPosition() == this.rangeStart && name.getLength() == this.rangeLength) {
      this.foundNode = node;
      return true;
    }
    return false;
  }
 
  public ASTNode search() throws JavaModelException {
    ISourceRange range = null;
    if (this.element instanceof IMember && !(this.element instanceof IInitializer))
      range = ((IMember) this.element).getNameRange();
    else
      range = this.element.getSourceRange();
    this.rangeStart = range.getOffset();
    this.rangeLength = range.getLength();
    this.ast.accept(this);
    return this.foundNode;
  }
 
  public boolean visit(AnnotationTypeDeclaration node) {
    if (found(node, node.getName()) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(AnnotationTypeMemberDeclaration node) {
    if (found(node, node.getName()) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(AnonymousClassDeclaration node) {
    ASTNode name;
    ASTNode parent = node.getParent();
    switch (parent.getNodeType()) {
      case ASTNode.CLASS_INSTANCE_CREATION:
        name = ((ClassInstanceCreation) parent).getType();
        break;
      case ASTNode.ENUM_CONSTANT_DECLARATION:
        name = ((EnumConstantDeclaration) parent).getName();
        break;
      default:
        return true;
    }
    if (found(node, name) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(EnumConstantDeclaration node) {
    if (found(node, node.getName()) && this.resolveBinding)
      this.foundBinding = node.resolveVariable();
    return true;
  }
 
  public boolean visit(EnumDeclaration node) {
    if (found(node, node.getName()) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(ImportDeclaration node) {
    if (found(node, node) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(Initializer node) {
    // note that no binding exists for an Initializer
    found(node, node);
    return true;
  }
 
  public boolean visit(MethodDeclaration node) {
    if (found(node, node.getName()) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(PackageDeclaration node) {
    if (found(node, node) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(TypeDeclaration node) {
    if (found(node, node.getName()) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(TypeParameter node) {
    if (found(node, node.getName()) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
 
  public boolean visit(VariableDeclarationFragment node) {           
    if (found(node, node.getName()) && this.resolveBinding)
      this.foundBinding = node.resolveBinding();
    return true;
  }
}
TOP

Related Classes of org.aspectj.org.eclipse.jdt.internal.core.util.DOMFinder

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.