/*******************************************************************************
* This file is part of the Symfony eclipse plugin.
*
* (c) Robert Gruendler <r.gruendler@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
******************************************************************************/
package com.dubture.symfony.core.index.visitor;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IPath;
import org.eclipse.dltk.ast.ASTNode;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.php.internal.core.compiler.ast.nodes.ArrayCreation;
import org.eclipse.php.internal.core.compiler.ast.nodes.ArrayElement;
import org.eclipse.php.internal.core.compiler.ast.nodes.InfixExpression;
import org.eclipse.php.internal.core.compiler.ast.nodes.PHPCallExpression;
import org.eclipse.php.internal.core.compiler.ast.nodes.Scalar;
import org.eclipse.php.internal.core.compiler.ast.visitor.PHPASTVisitor;
import com.dubture.symfony.core.log.Logger;
/**
*
* Parses namespace paths from the autoload script.
*
*
* @author Robert Gruendler <r.gruendler@gmail.com>
*
*/
@SuppressWarnings("restriction")
public class RegisterNamespaceVisitor extends PHPASTVisitor {
private ISourceModule source;
private IPath path;
private List<IPath> paths = new ArrayList<IPath>();
public List<IPath> getNamespaces() {
return paths;
}
public RegisterNamespaceVisitor(ISourceModule sourceModule) {
source = sourceModule;
path = source.getPath().removeLastSegments(1);
}
@Override
@SuppressWarnings("unchecked")
public boolean visit(PHPCallExpression call) throws Exception {
List<ASTNode> nodes = call.getArgs().getChilds();
if (nodes.size() == 1 && nodes.get(0) instanceof ArrayCreation) {
ArrayCreation array = (ArrayCreation) nodes.get(0);
List<ASTNode> args = array.getChilds();
for (ASTNode node : args) {
if (node instanceof ArrayCreation) {
for (Object subNode : ((ArrayCreation) node).getChilds()) {
if (subNode instanceof ArrayElement) {
resolveNamespace((ArrayElement) subNode);
}
}
} else if (node instanceof ArrayElement) {
resolveNamespace((ArrayElement) node);
}
}
}
return true;
}
private void resolveNamespace(ArrayElement element) {
if (element.getValue() instanceof InfixExpression) {
InfixExpression infix = (InfixExpression) element.getValue();
try {
if (!(infix.getLeft() instanceof Scalar) || !(infix.getRight() instanceof Scalar)) {
return;
}
Scalar left = (Scalar) infix.getLeft();
Scalar right = (Scalar) infix.getRight();
if ("__DIR__".equals(left.getValue())) {
String rightPath = right.getValue().replace("'", "").replace("\"", "").replaceFirst("/", "");
paths.add(path.append(rightPath));
}
} catch (Exception e) {
Logger.logException(e);
}
}
}
}