yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/anyxml/AnyxmlStatementSupport.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.anyxml;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import org.eclipse.jdt.annotation.Nullable;
  12 import org.opendaylight.yangtools.yang.common.QName;
  13 import org.opendaylight.yangtools.yang.model.api.AnyxmlSchemaNode;
  14 import org.opendaylight.yangtools.yang.model.api.Status;
  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.AnyxmlEffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.AnyxmlStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryEffectiveStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseSchemaTreeStatementSupport;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
  24 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  27
  28 public final class AnyxmlStatementSupport
  29         extends BaseSchemaTreeStatementSupport<AnyxmlStatement, AnyxmlEffectiveStatement> {
  30     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
  31         .ANYXML)
  32         .addOptional(YangStmtMapping.CONFIG)
  33         .addOptional(YangStmtMapping.DESCRIPTION)
  34         .addAny(YangStmtMapping.IF_FEATURE)
  35         .addOptional(YangStmtMapping.MANDATORY)
  36         .addAny(YangStmtMapping.MUST)
  37         .addOptional(YangStmtMapping.REFERENCE)
  38         .addOptional(YangStmtMapping.STATUS)
  39         .addOptional(YangStmtMapping.WHEN)
  40         .build();
  41     private static final AnyxmlStatementSupport INSTANCE = new AnyxmlStatementSupport();
  42
  43     private AnyxmlStatementSupport() {
  44         super(YangStmtMapping.ANYXML);
  45     }
  46
  47     public static AnyxmlStatementSupport getInstance() {
  48         return INSTANCE;
  49     }
  50
  51     @Override
  52     public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  53         return StmtContextUtils.parseIdentifier(ctx, value);
  54     }
  55
  56     @Override
  57     protected SubstatementValidator getSubstatementValidator() {
  58         return SUBSTATEMENT_VALIDATOR;
  59     }
  60
  61     @Override
  62     protected AnyxmlStatement createDeclared(final StmtContext<QName, AnyxmlStatement, ?> ctx,
  63             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  64         return new RegularAnyxmlStatement(ctx.coerceStatementArgument(), substatements);
  65     }
  66
  67     @Override
  68     protected AnyxmlStatement createEmptyDeclared(final StmtContext<QName, AnyxmlStatement, ?> ctx) {
  69         return new EmptyAnyxmlStatement(ctx.coerceStatementArgument());
  70     }
  71
  72     @Override
  73     protected AnyxmlEffectiveStatement createEffective(
  74             final StmtContext<QName, AnyxmlStatement, AnyxmlEffectiveStatement> ctx,
  75             final AnyxmlStatement declared, final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  76         return new RegularAnyxmlEffectiveStatement(declared, ctx.getSchemaPath().get(),
  77             computeFlags(ctx, substatements), findOriginal(ctx),substatements);
  78     }
  79
  80     @Override
  81     protected AnyxmlEffectiveStatement createEmptyEffective(
  82             final StmtContext<QName, AnyxmlStatement, AnyxmlEffectiveStatement> ctx, final AnyxmlStatement declared) {
  83         return new EmptyAnyxmlEffectiveStatement(declared, ctx.getSchemaPath().get(),
  84             computeFlags(ctx, ImmutableList.of()), findOriginal(ctx));
  85     }
  86
  87     private static int computeFlags(final StmtContext<?, ?, ?> ctx,
  88             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  89         return new FlagsBuilder()
  90                 .setHistory(ctx.getCopyHistory())
  91                 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
  92                 .setConfiguration(ctx.isConfiguration())
  93                 .setMandatory(findFirstArgument(substatements, MandatoryEffectiveStatement.class, Boolean.FALSE))
  94                 .toFlags();
  95     }
  96
  97     private static @Nullable AnyxmlSchemaNode findOriginal(final StmtContext<?, ?, ?> ctx) {
  98         return (AnyxmlSchemaNode) ctx.getOriginalCtx().map(StmtContext::buildEffective).orElse(null);
  99     }
 100 }