/*
* DBeaver - Universal Database Manager
* Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
*
* 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 org.jkiss.dbeaver.lang;
import org.eclipse.jface.text.rules.IToken;
import org.jkiss.code.NotNull;
import org.jkiss.code.Nullable;
/**
* Source code node
*/
public class SCMRoot extends SCMGroupNode {
private final SCMSourceParser parser;
private final SCMSourceScanner scanner;
public SCMRoot(SCMSourceParser parser, SCMSourceScanner scanner) {
super(null);
this.parser = parser;
this.scanner = scanner;
}
@NotNull
@Override
public SCMSourceText getSource() {
return scanner.getSource();
}
@Nullable
@Override
public IToken parseComposite(@NotNull SCMSourceScanner scanner) {
for (; ; ) {
IToken token = scanner.nextToken();
if (token.isEOF()) {
break;
}
parseToken(this, token);
}
return null;
}
private void parseToken(SCMCompositeNode container, IToken token) {
SCMNode node = parser.parseNode(container, token, scanner);
container.addChild(node);
if (node instanceof SCMCompositeNode) {
SCMCompositeNode composite = (SCMCompositeNode) node;
token = composite.parseComposite(scanner);
if (token != null) {
parseToken(container, token);
}
}
}
}