Examples of org.yaml.snakeyaml.nodes.Node

org.yaml.snakeyaml.nodes.Node
org/spec/1.1/">YAML Specification.

While loading, the node graph is usually created by the {@link org.yaml.snakeyaml.composer.Composer}, and later transformed into application specific Java classes by the classes from the {@link org.yaml.snakeyaml.constructor} package.

                break;
            case mapping:
                MappingNode mnode = (MappingNode) node;
                List<NodeTuple> map = mnode.getValue();
                for (NodeTuple object : map) {
                    Node key = object.getKeyNode();
                    Node value = object.getValueNode();
                    anchorNode(key);
                    anchorNode(value);
                }
                break;
            }

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                this.emitter.emit(new MappingStartEvent(tAlias, node.getTag().getValue(),
                        implicitM, null, null, ((CollectionNode) node).getFlowStyle()));
                MappingNode mnode = (MappingNode) node;
                List<NodeTuple> map = mnode.getValue();
                for (NodeTuple row : map) {
                    Node key = row.getKeyNode();
                    Node value = row.getValueNode();
                    serializeNode(key, mnode);
                    serializeNode(value, mnode);
                }
                this.emitter.emit(new MappingEndEvent(null, null));
            }

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                continue;
            }
            if (((ScalarNode) tuple.getKeyNode()).getStyle() != null) {
                bestStyle = false;
            }
            Node nodeValue = tuple.getValueNode();
            if (!((nodeValue instanceof ScalarNode && ((ScalarNode) nodeValue).getStyle() == null))) {
                bestStyle = false;
            }
            value.add(tuple);
        }

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            Object propertyValue, Tag customTag) {
        ScalarNode nodeKey = (ScalarNode) representData(property.getName());
        // the first occurrence of the node must keep the tag
        boolean hasAlias = this.representedObjects.containsKey(propertyValue);


        Node nodeValue = representData(propertyValue);


        if (propertyValue != null && !hasAlias) {
            NodeId nodeId = nodeValue.getNodeId();
            if (customTag == null) {
                if (nodeId == NodeId.scalar) {
                    if (propertyValue instanceof Enum<?>) {
                        nodeValue.setTag(Tag.STR);
                    }
                } else {
                    if (nodeId == NodeId.mapping) {
                        if (property.getType() == propertyValue.getClass()) {
                            if (!(propertyValue instanceof Map<?, ?>)) {
                                if (!nodeValue.getTag().equals(Tag.SET)) {
                                    nodeValue.setTag(Tag.MAP);
                                }
                            }
                        }
                    }
                    checkGlobalTag(property, nodeValue, propertyValue);

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                MappingNode mnode = (MappingNode) node;
                Iterator<NodeTuple> iter = mnode.getValue().iterator();
                Set<?> set = (Set<?>) object;
                for (Object member : set) {
                    NodeTuple tuple = iter.next();
                    Node keyNode = tuple.getKeyNode();
                    if (t.equals(member.getClass())) {
                        if (keyNode.getNodeId() == NodeId.mapping) {
                            keyNode.setTag(Tag.MAP);
                        }
                    }
                }
            } else if (object instanceof Map) {
                Class<?> keyType = arguments[0];

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     */
    public Node getSingleNode() {
        // Drop the STREAM-START event.
        parser.getEvent();
        // Compose a document if the stream is not empty.
        Node document = null;
        if (!parser.checkEvent(Event.ID.StreamEnd)) {
            document = composeDocument();
        }
        // Ensure that the stream contains no more documents.
        if (!parser.checkEvent(Event.ID.StreamEnd)) {
            Event event = parser.getEvent();
            throw new ComposerException("expected a single document in the stream",
                    document.getStartMark(), "but found another document", event.getStartMark());
        }
        // Drop the STREAM-END event.
        parser.getEvent();
        return document;
    }

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    private Node composeDocument() {
        // Drop the DOCUMENT-START event.
        parser.getEvent();
        // Compose the root node.
        Node node = composeNode(null);
        // Drop the DOCUMENT-END event.
        parser.getEvent();
        this.anchors.clear();
        recursiveNodes.clear();
        return node;

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            String anchor = event.getAnchor();
            if (!anchors.containsKey(anchor)) {
                throw new ComposerException(null, null, "found undefined alias " + anchor,
                        event.getStartMark());
            }
            Node result = anchors.get(anchor);
            if (recursiveNodes.remove(result)) {
                result.setTwoStepsConstruction(true);
            }
            return result;
        }
        NodeEvent event = (NodeEvent) parser.peekEvent();
        String anchor = null;
        anchor = event.getAnchor();
        if (anchor != null && anchors.containsKey(anchor)) {
            throw new ComposerException("found duplicate anchor " + anchor + "; first occurence",
                    this.anchors.get(anchor).getStartMark(), "second occurence",
                    event.getStartMark());
        }
        Node node = null;
        if (parser.checkEvent(Event.ID.Scalar)) {
            node = composeScalarNode(anchor);
        } else if (parser.checkEvent(Event.ID.SequenceStart)) {
            node = composeSequenceNode(anchor);
        } else {

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                    .canOmitTagInPlainScalar());
            resolved = true;
        } else {
            nodeTag = new Tag(tag);
        }
        Node node = new ScalarNode(nodeTag, resolved, ev.getValue(), ev.getStartMark(),
                ev.getEndMark(), ev.getStyle());
        if (anchor != null) {
            anchors.put(anchor, node);
        }
        return node;

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                null, startEvent.getFlowStyle());
        if (anchor != null) {
            anchors.put(anchor, node);
        }
        while (!parser.checkEvent(Event.ID.MappingEnd)) {
            Node itemKey = composeNode(node);
            if (itemKey.getTag().equals(Tag.MERGE)) {
                node.setMerged(true);
            } else if (itemKey.getTag().equals(Tag.VALUE)) {
                itemKey.setTag(Tag.STR);
            }
            Node itemValue = composeNode(node);
            children.add(new NodeTuple(itemKey, itemValue));
        }
        Event endEvent = parser.getEvent();
        node.setEndMark(endEvent.getEndMark());
        return node;

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