| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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.onosproject.yangutils.parser.impl.listeners; |
| |
| import org.onosproject.yangutils.datamodel.YangAppExtended; |
| import org.onosproject.yangutils.datamodel.YangCompilerAnnotation; |
| import org.onosproject.yangutils.datamodel.utils.Parsable; |
| import org.onosproject.yangutils.parser.antlrgencode.GeneratedYangParser; |
| import org.onosproject.yangutils.parser.exceptions.ParserException; |
| import org.onosproject.yangutils.parser.impl.TreeWalkListener; |
| |
| import static org.onosproject.yangutils.datamodel.utils.YangConstructType.APP_EXTENDED_NAME_DATA; |
| import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.ENTRY; |
| import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction.constructListenerErrorMessage; |
| import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.INVALID_HOLDER; |
| import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.MISSING_HOLDER; |
| import static org.onosproject.yangutils.parser.impl.parserutils.ListenerUtil.getValidPrefix; |
| import static org.onosproject.yangutils.parser.impl.parserutils.ListenerUtil.removeQuotesAndHandleConcat; |
| import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.checkStackIsNotEmpty; |
| |
| /* |
| * Reference: RFC6020 and YANG ANTLR Grammar |
| * |
| * ABNF grammar as per RFC6020 |
| * app-extended-stmt = prefix:app-extended-name-keyword string ";" |
| * |
| * ANTLR grammar rule |
| * appExtendedStatement : APP_EXTENDED extendedName STMTEND; |
| */ |
| |
| /** |
| * Represents listener based call back function corresponding to the "app-extended-name" |
| * rule defined in ANTLR grammar file for corresponding ABNF rule in RFC 6020. |
| */ |
| public final class AppExtendedNameListener { |
| |
| /** |
| * Creates a new app-extended-name listener. |
| */ |
| private AppExtendedNameListener() { |
| } |
| |
| /** |
| * Performs validation and updates the data model tree. It is called when parser receives an |
| * input matching the grammar rule(app-extended-name). |
| * |
| * @param listener listener's object |
| * @param ctx context object of the grammar rule |
| */ |
| public static void processAppExtendedNameEntry(TreeWalkListener listener, |
| GeneratedYangParser.AppExtendedStatementContext ctx) { |
| |
| checkStackIsNotEmpty(listener, MISSING_HOLDER, APP_EXTENDED_NAME_DATA, ctx.extendedName().getText(), ENTRY); |
| |
| String prefix = getValidPrefix(ctx.APP_EXTENDED().getText(), APP_EXTENDED_NAME_DATA, ctx); |
| YangAppExtended extendedName = new YangAppExtended(); |
| extendedName.setPrefix(prefix); |
| extendedName.setYangAppExtendedName(removeQuotesAndHandleConcat(ctx.extendedName().getText())); |
| |
| Parsable curData = listener.getParsedDataStack().peek(); |
| if (curData instanceof YangCompilerAnnotation) { |
| YangCompilerAnnotation compilerAnnotation = ((YangCompilerAnnotation) curData); |
| compilerAnnotation.setYangAppExtendedName(extendedName); |
| } else { |
| throw new ParserException(constructListenerErrorMessage(INVALID_HOLDER, APP_EXTENDED_NAME_DATA, |
| ctx.extendedName().getText(), ENTRY)); |
| } |
| } |
| } |