yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/meta/EnumStatementSupport.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.Beta;
  13 import com.google.common.collect.ImmutableList;
  14 import org.eclipse.jdt.annotation.NonNull;
  15 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  16 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  17 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  18 import org.opendaylight.yangtools.yang.model.api.stmt.EnumEffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.EnumStatement;
  20 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
  21 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
  22 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  23 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  24 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  26
  27 @Beta
  28 public final class EnumStatementSupport
  29         extends AbstractStatementSupport<String, EnumStatement, EnumEffectiveStatement> {
  30     private static final @NonNull EnumStatementSupport RFC6020_INSTANCE = new EnumStatementSupport(
  31         SubstatementValidator.builder(YangStmtMapping.ENUM)
  32             .addOptional(YangStmtMapping.DESCRIPTION)
  33             .addOptional(YangStmtMapping.REFERENCE)
  34             .addOptional(YangStmtMapping.STATUS)
  35             .addOptional(YangStmtMapping.VALUE)
  36             .build());
  37     private static final @NonNull EnumStatementSupport RFC7950_INSTANCE = new EnumStatementSupport(
  38         SubstatementValidator.builder(YangStmtMapping.ENUM)
  39             .addOptional(YangStmtMapping.DESCRIPTION)
  40             .addAny(YangStmtMapping.IF_FEATURE)
  41             .addOptional(YangStmtMapping.REFERENCE)
  42             .addOptional(YangStmtMapping.STATUS)
  43             .addOptional(YangStmtMapping.VALUE)
  44             .build());
  45
  46     private final SubstatementValidator validator;
  47
  48     private EnumStatementSupport(final SubstatementValidator validator) {
  49         super(YangStmtMapping.ENUM, StatementPolicy.contextIndependent());
  50         this.validator = requireNonNull(validator);
  51     }
  52
  53     public static @NonNull EnumStatementSupport rfc6020Instance() {
  54         return RFC6020_INSTANCE;
  55     }
  56
  57     public static @NonNull EnumStatementSupport rfc7950Instance() {
  58         return RFC7950_INSTANCE;
  59     }
  60
  61     @Override
  62     public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  63         // FIXME: Checks for real value
  64         return value;
  65     }
  66
  67     @Override
  68     protected SubstatementValidator getSubstatementValidator() {
  69         return validator;
  70     }
  71
  72     @Override
  73     protected EnumStatement createDeclared(final StmtContext<String, EnumStatement, ?> ctx,
  74             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  75         return DeclaredStatements.createEnum(ctx.getRawArgument(), ctx.getArgument(), substatements);
  76     }
  77
  78     @Override
  79     protected EnumEffectiveStatement createEffective(final Current<String, EnumStatement> stmt,
  80             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  81         return EffectiveStatements.createEnum(stmt.declared(), substatements);
  82     }
  83 }