/*
* 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.sql;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.jkiss.code.NotNull;
import org.jkiss.dbeaver.lang.*;
import org.jkiss.dbeaver.lang.base.BaseNodeParser;
import org.jkiss.dbeaver.lang.base.SCMEKeyword;
import org.jkiss.dbeaver.lang.parser.KeywordRule;
import org.jkiss.dbeaver.lang.sql.model.SQLStatementAbstract;
import org.jkiss.dbeaver.lang.sql.model.SQLStatementSelect;
import java.util.List;
/**
* Source code node
*/
public class SQLNodeParser extends BaseNodeParser {
@Override
protected void addRules(List<IRule> rules) {
rules.add(new KeywordRule(SQLKeyword.values()));
super.addRules(rules);
}
@NotNull
@Override
public SCMNode parseNode(@NotNull SCMCompositeNode container, @NotNull IToken token, @NotNull SCMSourceScanner scanner) {
if (token instanceof SCMKeywordToken) {
// Keyword or identifier
SCMKeyword keyword = ((SCMKeywordToken)token).getData();
if (keyword instanceof SQLKeyword) {
SQLStatementAbstract statement = null;
switch ((SQLKeyword)keyword) {
case SELECT:
statement = new SQLStatementSelect(container);
break;
case INSERT:
case UPDATE:
case DELETE:
break;
default:
// Unexpected keyword
break;
}
if (statement != null) {
statement.addChild(new SCMEKeyword(statement, scanner));
return statement;
}
} else {
// Unknown keyword type
}
}
return super.parseNode(container, token, scanner);
}
}