2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2024 Ericsson
4 * Modifications Copyright (C) 2024 OpenInfra Foundation Europe
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
21 package org.oran.smo.yangtools.parser.model.statements.yang;
23 import java.util.List;
25 import org.oran.smo.yangtools.parser.ParserExecutionContext;
26 import org.oran.smo.yangtools.parser.findings.Finding;
27 import org.oran.smo.yangtools.parser.findings.ParserFindingType;
28 import org.oran.smo.yangtools.parser.model.statements.AbstractStatement;
29 import org.oran.smo.yangtools.parser.model.statements.StatementModuleAndName;
30 import org.oran.smo.yangtools.parser.model.util.GrammarHelper;
31 import org.oran.smo.yangtools.parser.model.yangdom.YangDomElement;
34 * Type-safe Yang core statement.
36 * @author Mark Hollmann
38 public class YEnum extends AbstractStatement {
40 public YEnum(final AbstractStatement parentStatement, final YangDomElement domNode) {
41 super(parentStatement, domNode);
45 public String getStatementIdentifier() {
50 public StatementArgumentType getArgumentType() {
51 return StatementArgumentType.NAME;
55 public StatementModuleAndName getStatementModuleAndName() {
59 public String getEnumName() {
60 return domElement.getValue();
63 public List<YIfFeature> getIfFeatures() {
64 return getChildren(CY.STMT_IF_FEATURE);
67 public YStatus getStatus() {
68 return getChild(CY.STMT_STATUS);
71 public YValue getValue() {
72 return getChild(CY.STMT_VALUE);
75 protected void validate(final ParserExecutionContext context) {
76 if (!validateArgumentNotNullNotEmpty(context)) {
77 /* no point trying to perform more validation */
82 * Note that the RFC states that an enum can be "any string". Not sure how much this makes
83 * sense, as this would allow spaces...we check for that as this would cause problems
84 * somewhere, no doubt.
86 if (GrammarHelper.containsYangWhitespace(getEnumName())) {
87 context.addFinding(new Finding(this, ParserFindingType.P141_WHITESPACE_IN_ENUM,
88 "Usage of whitespace character(s) in enum '" + getEnumName() + "'."));
89 } else if (containsWeirdCharacters(getEnumName())) {
90 context.addFinding(new Finding(this, ParserFindingType.P142_UNUSUAL_CHARACTERS_IN_ENUM,
91 "enum '" + getEnumName() + "' contains unusual characters."));
95 private static boolean containsWeirdCharacters(final String enumName) {
97 if (enumName == null) {
101 for (final char c : enumName.toCharArray()) {
102 if (c == '_' || c == '.' || c == '-' || (c >= 48 && c <= 57) || (c >= 65 && c <= 90) || (c >= 97 && c <= 122)) {
113 protected void subtreeProcessed(final ParserExecutionContext context) {
114 if (getValue() == null) {
115 context.addFinding(new Finding(this, ParserFindingType.P143_ENUM_WITHOUT_VALUE,
116 "enum '" + getEnumName() + "' does not have a value (bad practice)."));