yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/enum_/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.enum_;
   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.parser.rfc7950.stmt.BaseStatementSupport;
  21 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  22 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  23 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  24
  25 @Beta
  26 public final class EnumStatementSupport extends BaseStatementSupport<String, EnumStatement, EnumEffectiveStatement> {
  27     private static final @NonNull EnumStatementSupport RFC6020_INSTANCE = new EnumStatementSupport(
  28         SubstatementValidator.builder(YangStmtMapping.ENUM)
  29             .addOptional(YangStmtMapping.DESCRIPTION)
  30             .addOptional(YangStmtMapping.REFERENCE)
  31             .addOptional(YangStmtMapping.STATUS)
  32             .addOptional(YangStmtMapping.VALUE)
  33             .build());
  34     private static final @NonNull EnumStatementSupport RFC7950_INSTANCE = new EnumStatementSupport(
  35         SubstatementValidator.builder(YangStmtMapping.ENUM)
  36             .addOptional(YangStmtMapping.DESCRIPTION)
  37             .addAny(YangStmtMapping.IF_FEATURE)
  38             .addOptional(YangStmtMapping.REFERENCE)
  39             .addOptional(YangStmtMapping.STATUS)
  40             .addOptional(YangStmtMapping.VALUE)
  41             .build());
  42
  43     private final SubstatementValidator validator;
  44
  45     private EnumStatementSupport(final SubstatementValidator validator) {
  46         super(YangStmtMapping.ENUM, CopyPolicy.CONTEXT_INDEPENDENT);
  47         this.validator = requireNonNull(validator);
  48     }
  49
  50     public static @NonNull EnumStatementSupport rfc6020Instance() {
  51         return RFC6020_INSTANCE;
  52     }
  53
  54     public static @NonNull EnumStatementSupport rfc7950Instance() {
  55         return RFC7950_INSTANCE;
  56     }
  57
  58     @Override
  59     public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  60         // FIXME: Checks for real value
  61         return value;
  62     }
  63
  64     @Override
  65     protected SubstatementValidator getSubstatementValidator() {
  66         return validator;
  67     }
  68
  69     @Override
  70     protected EnumStatement createDeclared(final StmtContext<String, EnumStatement, ?> ctx,
  71             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  72         return new RegularEnumStatement(ctx.getRawArgument(), ctx.getArgument(), substatements);
  73     }
  74
  75     @Override
  76     protected EnumStatement createEmptyDeclared(final StmtContext<String, EnumStatement, ?> ctx) {
  77         return new EmptyEnumStatement(ctx.getRawArgument(), ctx.getArgument());
  78     }
  79
  80     @Override
  81     protected EnumEffectiveStatement createEffective(final Current<String, EnumStatement> stmt,
  82             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  83         return substatements.isEmpty() ? new EmptyEnumEffectiveStatement(stmt.declared())
  84             : new RegularEnumEffectiveStatement(stmt.declared(), substatements);
  85     }
  86 }