evolvedbinary / elemental / 982

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/exist-core/src/main/java/org/exist/dom/persistent/AttrImpl.java

/*
 * Elemental
 * Copyright (C) 2024, Evolved Binary Ltd
 *
 * admin@evolvedbinary.com
 * https://www.evolvedbinary.com | https://www.elemental.xyz
 *
 * Use of this software is governed by the Business Source License 1.1
 * included in the LICENSE file and at www.mariadb.com/bsl11.
 *
 * Change Date: 2028-04-27
 *
 * On the date above, in accordance with the Business Source License, use
 * of this software will be governed by the Apache License, Version 2.0.
 *
 * Additional Use Grant: Production use of the Licensed Work for a permitted
 * purpose. A Permitted Purpose is any purpose other than a Competing Use.
 * A Competing Use means making the Software available to others in a commercial
 * product or service that: substitutes for the Software; substitutes for any
 * other product or service we offer using the Software that exists as of the
 * date we make the Software available; or offers the same or substantially
 * similar functionality as the Software.
 *
 * NOTE: Parts of this file contain code from 'The eXist-db Authors'.
 *       The original license header is included below.
 *
 * =====================================================================
 *
 * eXist-db Open Source Native XML Database
 * Copyright (C) 2001 The eXist-db Authors
 *
 * info@exist-db.org
 * http://www.exist-db.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.exist.dom.persistent;

import org.exist.Namespaces;
import org.exist.dom.QName;
import org.exist.numbering.NodeId;
import org.exist.storage.DBBroker;
import org.exist.storage.RangeIndexSpec;
import org.exist.storage.Signatures;
import org.exist.util.ByteArrayPool;
import org.exist.util.ByteConversion;
import org.exist.util.UTF8;
import org.exist.util.XMLString;
import org.exist.util.pool.NodePool;
import org.exist.util.serializer.AttrList;
import org.exist.xquery.Expression;
import org.w3c.dom.*;

import javax.xml.XMLConstants;

import static java.nio.charset.StandardCharsets.UTF_8;

public class AttrImpl extends NamedNode<AttrImpl> implements Attr {

    public static final int LENGTH_NS_ID = 2; //sizeof short
    public static final int LENGTH_PREFIX_LENGTH = 2; //sizeof short

    public static final int CDATA = 0;
    public static final int ID = 1;
    public static final int IDREF = 2;
    public static final int IDREFS = 3;

    private static final int DEFAULT_ATTRIBUTE_TYPE = CDATA;

    private int attributeType = DEFAULT_ATTRIBUTE_TYPE;
    private int indexType = RangeIndexSpec.NO_INDEX;
    private XMLString value = null;

    public AttrImpl() {
        this((Expression) null);
    }

    public AttrImpl(final Expression expression) {
        super(expression, Node.ATTRIBUTE_NODE);
    }

    public AttrImpl(final QName name, final SymbolTable symbols) throws DOMException {
        this(null, name, symbols);
    }

    public AttrImpl(final Expression expression, final QName name, final SymbolTable symbols) throws DOMException {
        super(expression, Node.ATTRIBUTE_NODE, name);
        if(symbols != null && symbols.getSymbol(nodeName.getLocalPart()) < 0) {
            throw new DOMException(DOMException.INVALID_ACCESS_ERR,
                "Too many element/attribute names registered in the database. No of distinct names is limited to 16bit. Aborting store.");
        }
    }

    public AttrImpl(final QName name, final String str, final SymbolTable symbols) throws DOMException {
        this(null, name, str, symbols);
    }

    public AttrImpl(final Expression expression, final QName name, final String str, final SymbolTable symbols) throws DOMException {
        this(expression, name, symbols);
        this.value = new XMLString(str.toCharArray());
    }

    public AttrImpl(final AttrImpl other) {
        this(null, other);
    }

    public AttrImpl(final Expression expression, final AttrImpl other) {
        super(expression, other);
        this.attributeType = other.attributeType;
        this.value = new XMLString(other.value);
    }

    @Override
    public void clear() {
        super.clear();
        this.attributeType = DEFAULT_ATTRIBUTE_TYPE;
        this.value.reset();
        this.value = null;
    }

    /**
     * Serializes a (persistent DOM) Attr to a byte array
     *
     * data = signature nodeIdUnitsLength nodeId localNameId namespace? value
     *
     * signature = [byte] 0x80 | localNameType | attrType | hasNamespace?
     *
     * localNameType = noContent OR intContent OR shortContent OR byteContent
     * noContent = 0x0
     * intContent = 0x1
     * shortContent = 0x2
     * byteContent = 0x3
     *
     * attrType = cdata OR id OR idref OR idrefs
     * cdata = 0x0;
     * id = 0x4
     * idref = 0x8
     * idrefs = 0xC
     *
     * hasNamespace = 0x10
     *
     * nodeIdUnitsLength = [short] (2 bytes) The number of units of the attr's NodeId
     * nodeId = {@link org.exist.numbering.DLNBase#serialize(byte[], int)}
     *
     * localNameId = [int] (4 bytes) | [short] (2 bytes) | [byte] 1 byte. The Id of the attr's local name from SymbolTable (symbols.dbx)
     *
     * namespace = namespaceUriId namespacePrefixLength attrNamespacePrefix?
     * namespaceUriId = [short] (2 bytes) The Id of the namespace URI from SymbolTable (symbols.dbx)
     * namespacePrefixLength = [short] (2 bytes)
     * attrNamespacePrefix = eUtf8
     *
     * value = eUtf8
     *
     * eUtf8 = {@link org.exist.util.UTF8#encode(java.lang.String, byte[], int)}
     *
     * @return the returned byte array after use must be returned to the ByteArrayPool
     *     by calling {@link ByteArrayPool#releaseByteArray(byte[])}
     */
    @Override
    public byte[] serialize() {
        if(nodeName.getLocalPart() == null) {
            throw new RuntimeException("Local name is null");
        }
        final short id = ownerDocument.getBrokerPool().getSymbols().getSymbol(this);
        final byte idSizeType = Signatures.getSizeType(id);
        int prefixLen = 0;
        if(nodeName.hasNamespace() && nodeName.getPrefix() != null && nodeName.getPrefix().length() > 0) {
            prefixLen = UTF8.encoded(nodeName.getPrefix());
        }
        final int nodeIdLen = nodeId.size();
        final byte[] data = ByteArrayPool.getByteArray(
            LENGTH_SIGNATURE_LENGTH + NodeId.LENGTH_NODE_ID_UNITS + nodeIdLen +
                Signatures.getLength(idSizeType) +
                (nodeName.hasNamespace() ? LENGTH_NS_ID + LENGTH_PREFIX_LENGTH + prefixLen : 0) +
                value.UTF8Size());
        int pos = 0;
        data[pos] = (byte) (Signatures.Attr << 0x5);
        data[pos] |= idSizeType;
        data[pos] |= (byte) (attributeType << 0x2);
        if(nodeName.hasNamespace()) {
            data[pos] |= 0x10;
        }
        pos += StoredNode.LENGTH_SIGNATURE_LENGTH;
        ByteConversion.shortToByte((short) nodeId.units(), data, pos);
        pos += NodeId.LENGTH_NODE_ID_UNITS;
        nodeId.serialize(data, pos);
        pos += nodeIdLen;
        Signatures.write(idSizeType, id, data, pos);
        pos += Signatures.getLength(idSizeType);
        if(nodeName.hasNamespace()) {
            final short nsId = ownerDocument.getBrokerPool().getSymbols().getNSSymbol(nodeName.getNamespaceURI());
            ByteConversion.shortToByte(nsId, data, pos);
            pos += LENGTH_NS_ID;
            ByteConversion.shortToByte((short) prefixLen, data, pos);
            pos += LENGTH_PREFIX_LENGTH;
            if(nodeName.getPrefix() != null && nodeName.getPrefix().length() > 0) {
                UTF8.encode(nodeName.getPrefix(), data, pos);
            }
            pos += prefixLen;
        }
        value.UTF8Encode(data, pos);
        return data;
    }

    public static StoredNode deserialize(final byte[] data, final int start, final int len, final DocumentImpl doc, final boolean pooled) {
        int pos = start;
        final byte idSizeType = (byte) (data[pos] & 0x3);
        final boolean hasNamespace = (data[pos] & 0x10) == 0x10;
        final int attrType = (data[pos] & 0x4) >> 0x2;
        pos += StoredNode.LENGTH_SIGNATURE_LENGTH;
        final int dlnLen = ByteConversion.byteToShort(data, pos);
        pos += NodeId.LENGTH_NODE_ID_UNITS;
        final NodeId dln = doc.getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
        pos += dln.size();
        final short id = (short) Signatures.read(idSizeType, data, pos);
        pos += Signatures.getLength(idSizeType);
        final String name = doc.getBrokerPool().getSymbols().getName(id);
        if(name == null) {
            throw new RuntimeException("no symbol for id " + id);
        }
        short nsId = 0;
        String prefix = null;
        if(hasNamespace) {
            nsId = ByteConversion.byteToShort(data, pos);
            pos += LENGTH_NS_ID;
            int prefixLen = ByteConversion.byteToShort(data, pos);
            pos += LENGTH_PREFIX_LENGTH;
            if(prefixLen > 0) {
                prefix = UTF8.decode(data, pos, prefixLen).toString();
            }
            pos += prefixLen;
        }
        final String namespace = nsId == 0 ? "" : doc.getBrokerPool().getSymbols().getNamespace(nsId);
        final XMLString value = UTF8.decode(data, pos, len - (pos - start));

        //OK : we have the necessary material to build the attribute
        final AttrImpl attr;
        if(pooled) {
            attr = (AttrImpl) NodePool.getInstance().borrowNode(Node.ATTRIBUTE_NODE);
        } else {
            attr = new AttrImpl((Expression) null);
        }
        attr.setNodeName(doc.getBrokerPool().getSymbols().getQName(Node.ATTRIBUTE_NODE, namespace, name, prefix));
        if (attr.value != null) {
            attr.value.reset();
        }
        attr.value = value;
        attr.setNodeId(dln);
        attr.setType(attrType);
        return attr;
    }

    public static void addToList(final DBBroker broker, final byte[] data, final int start, final int len, final AttrList list) {
        int pos = start;
        final byte idSizeType = (byte) (data[pos] & 0x3);
        final boolean hasNamespace = (data[pos] & 0x10) == 0x10;
        final int attrType = (data[pos] & 0x4) >> 0x2;
        pos += StoredNode.LENGTH_SIGNATURE_LENGTH;
        final int dlnLen = ByteConversion.byteToShort(data, pos);
        pos += NodeId.LENGTH_NODE_ID_UNITS;
        final NodeId dln = broker.getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
        pos += dln.size();
        final short id = (short) Signatures.read(idSizeType, data, pos);
        pos += Signatures.getLength(idSizeType);
        final String name = broker.getBrokerPool().getSymbols().getName(id);
        if(name == null) {
            throw new RuntimeException("no symbol for id " + id);
        }
        short nsId = 0;
        String prefix = null;
        if(hasNamespace) {
            nsId = ByteConversion.byteToShort(data, pos);
            pos += LENGTH_NS_ID;
            int prefixLen = ByteConversion.byteToShort(data, pos);
            pos += LENGTH_PREFIX_LENGTH;
            if(prefixLen > 0) {
                prefix = UTF8.decode(data, pos, prefixLen).toString();
            }
            pos += prefixLen;
        }
        final String namespace = nsId == 0 ? XMLConstants.NULL_NS_URI : broker.getBrokerPool().getSymbols().getNamespace(nsId);
        final String value = new String(data, pos, len - (pos - start), UTF_8);

        list.addAttribute(broker.getBrokerPool().getSymbols().getQName(Node.ATTRIBUTE_NODE, namespace, name, prefix), value, attrType, dln);
    }

    @Override
    public String getName() {
        return getNodeName();
    }

    public int getType() {
        return attributeType;
    }

    public void setType(final int type) {
        //TODO : range check -pb
        this.attributeType = type;
    }

    public static String getAttributeType(final int type) {
        return switch (type) {
            case AttrImpl.ID -> "ID";
            case AttrImpl.IDREF -> "IDREF";
            case AttrImpl.IDREFS -> "IDREFS";
            case AttrImpl.CDATA -> "CDATA";
            default -> null;
        };
    }

    public void setIndexType(final int idxType) {
        this.indexType = idxType;
    }

    public int getIndexType() {
        return indexType;
    }

    @Override
    public String getValue() {
        if(value == null) {
            return "";
        } else {
            return value.toString();
        }
    }

    @Override
    public void setValue(final String value) throws DOMException {
        if (this.value != null) {
            this.value.reset();
            this.value.append(value);
        } else {
            this.value = new XMLString(value.toCharArray());
        }
    }

    @Override
    public String getNodeValue() {
        return getValue();
    }

    @Override
    public void setNodeValue(final String nodeValue) throws DOMException {
       setValue(nodeValue);
    }

    @Override
    public Element getOwnerElement() {
        return (Element)getOwnerDocument().getNode(nodeId.getParentId());
    }

    @Override
    public Node getParentNode() {
        return null;
    }

    @Override
    public StoredNode getParentStoredNode() {
        return (StoredNode)getOwnerDocument().getNode(nodeId.getParentId());
    }

    @Override
    public boolean getSpecified() {
        return true;
    }

    @Override
    public String toString() {
        return String.valueOf(nodeName) + "=\"" + value + "\"";
    }

    @Override
    public String toString(final boolean top) {
        if(top) {
            return"<exist:attribute " + "xmlns:exist=\"" + Namespaces.EXIST_NS + "\" " +
                    "exist:id=\"" +  getNodeId() +  "\" exist:source=\"" +
                    getOwnerDocument().getFileURI() + "\" " +  getNodeName() + "=\"" + getValue() + "\"/>";
        } else {
            return toString();
        }
    }

    @Override
    public int getChildCount() {
        return 0;
    }

    @Override
    public Node getFirstChild() {
        return null;
    }

    @Override
    public Node getPreviousSibling() {
        return null;
    }

    @Override
    public Node getNextSibling() {
        return null;
    }

    @Override
    public TypeInfo getSchemaTypeInfo() {
        return null;
    }

    @Override
    public boolean isId() {
        return this.getType() == ID;
    }

    @Override
    public String getBaseURI() {
        final Element e = getOwnerElement();
        if(e != null) {
            return e.getBaseURI();
        }
        return null;
    }

    @Override
    public short compareDocumentPosition(final Node other) throws DOMException {
        return 0;
    }

    @Override
    public String getTextContent() throws DOMException {
        return getNodeValue();
    }

    @Override
    public void setTextContent(final String textContent) throws DOMException {
        setNodeValue(textContent);
    }

    @Override
    public String lookupPrefix(final String namespaceURI) {
        return null;
    }

    @Override
    public boolean isDefaultNamespace(final String namespaceURI) {
        return false;
    }

    @Override
    public String lookupNamespaceURI(final String prefix) {
        return null;
    }

    @Override
    public boolean isEqualNode(final Node arg) {
        return false;
    }

    @Override
    public Object getFeature(final String feature, final String version) {
        return null;
    }
    @Override
    public Object setUserData(final String key, final Object data, final UserDataHandler handler) {
        return null;
    }

    @Override
    public Object getUserData(final String key) {
        return null;
    }

    @Override
    public boolean equals(final Object obj) {
        if(!super.equals(obj)) {
            return false;
        }

        if(obj instanceof AttrImpl other) {
            return other.getQName().equals(getQName())
                    && other.value.equals(value);
        }

        return false;
    }
}


1	/*
2	* Elemental
3	* Copyright (C) 2024, Evolved Binary Ltd
4	*
5	* admin@evolvedbinary.com
6	* https://www.evolvedbinary.com \| https://www.elemental.xyz
7	*
8	* Use of this software is governed by the Business Source License 1.1
9	* included in the LICENSE file and at www.mariadb.com/bsl11.
10	*
11	* Change Date: 2028-04-27
12	*
13	* On the date above, in accordance with the Business Source License, use
14	* of this software will be governed by the Apache License, Version 2.0.
15	*
16	* Additional Use Grant: Production use of the Licensed Work for a permitted
17	* purpose. A Permitted Purpose is any purpose other than a Competing Use.
18	* A Competing Use means making the Software available to others in a commercial
19	* product or service that: substitutes for the Software; substitutes for any
20	* other product or service we offer using the Software that exists as of the
21	* date we make the Software available; or offers the same or substantially
22	* similar functionality as the Software.
23	*
24	* NOTE: Parts of this file contain code from 'The eXist-db Authors'.
25	* The original license header is included below.
26	*
27	* =====================================================================
28	*
29	* eXist-db Open Source Native XML Database
30	* Copyright (C) 2001 The eXist-db Authors
31	*
32	* info@exist-db.org
33	* http://www.exist-db.org
34	*
35	* This library is free software; you can redistribute it and/or
36	* modify it under the terms of the GNU Lesser General Public
37	* License as published by the Free Software Foundation; either
38	* version 2.1 of the License, or (at your option) any later version.
39	*
40	* This library is distributed in the hope that it will be useful,
41	* but WITHOUT ANY WARRANTY; without even the implied warranty of
42	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
43	* Lesser General Public License for more details.
44	*
45	* You should have received a copy of the GNU Lesser General Public
46	* License along with this library; if not, write to the Free Software
47	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
48	*/
49	package org.exist.dom.persistent;
50
51	import org.exist.Namespaces;
52	import org.exist.dom.QName;
53	import org.exist.numbering.NodeId;
54	import org.exist.storage.DBBroker;
55	import org.exist.storage.RangeIndexSpec;
56	import org.exist.storage.Signatures;
57	import org.exist.util.ByteArrayPool;
58	import org.exist.util.ByteConversion;
59	import org.exist.util.UTF8;
60	import org.exist.util.XMLString;
61	import org.exist.util.pool.NodePool;
62	import org.exist.util.serializer.AttrList;
63	import org.exist.xquery.Expression;
64	import org.w3c.dom.*;
65
66	import javax.xml.XMLConstants;
67
68	import static java.nio.charset.StandardCharsets.UTF_8;
69
70	public class AttrImpl extends NamedNode<AttrImpl> implements Attr {
71
72	public static final int LENGTH_NS_ID = 2; //sizeof short
73	public static final int LENGTH_PREFIX_LENGTH = 2; //sizeof short
74
75	public static final int CDATA = 0;
76	public static final int ID = 1;
77	public static final int IDREF = 2;
78	public static final int IDREFS = 3;
79
80	private static final int DEFAULT_ATTRIBUTE_TYPE = CDATA;
81
82	private int attributeType = DEFAULT_ATTRIBUTE_TYPE;	1✔
83	private int indexType = RangeIndexSpec.NO_INDEX;	1✔
84	private XMLString value = null;	1✔
85
86	public AttrImpl() {
87	this((Expression) null);	×
88	}	×
89
90	public AttrImpl(final Expression expression) {
91	super(expression, Node.ATTRIBUTE_NODE);	1✔
92	}	1✔
93
94	public AttrImpl(final QName name, final SymbolTable symbols) throws DOMException {
95	this(null, name, symbols);	×
96	}	×
97
98	public AttrImpl(final Expression expression, final QName name, final SymbolTable symbols) throws DOMException {
99	super(expression, Node.ATTRIBUTE_NODE, name);	1✔
100	if(symbols != null && symbols.getSymbol(nodeName.getLocalPart()) < 0) {	1!
101	throw new DOMException(DOMException.INVALID_ACCESS_ERR,	×
102	"Too many element/attribute names registered in the database. No of distinct names is limited to 16bit. Aborting store.");	×
103	}
104	}	1✔
105
106	public AttrImpl(final QName name, final String str, final SymbolTable symbols) throws DOMException {
107	this(null, name, str, symbols);	×
108	}	×
109
110	public AttrImpl(final Expression expression, final QName name, final String str, final SymbolTable symbols) throws DOMException {
111	this(expression, name, symbols);	1✔
112	this.value = new XMLString(str.toCharArray());	1✔
113	}	1✔
114
115	public AttrImpl(final AttrImpl other) {
116	this(null, other);	×
117	}	×
118
119	public AttrImpl(final Expression expression, final AttrImpl other) {
120	super(expression, other);	1✔
121	this.attributeType = other.attributeType;	1✔
122	this.value = new XMLString(other.value);	1✔
123	}	1✔
124
125	@Override
126	public void clear() {
127	super.clear();	1✔
128	this.attributeType = DEFAULT_ATTRIBUTE_TYPE;	1✔
129	this.value.reset();	1✔
130	this.value = null;	1✔
131	}	1✔
132
133	/**
134	* Serializes a (persistent DOM) Attr to a byte array
135	*
136	* data = signature nodeIdUnitsLength nodeId localNameId namespace? value
137	*
138	* signature = [byte] 0x80 \| localNameType \| attrType \| hasNamespace?
139	*
140	* localNameType = noContent OR intContent OR shortContent OR byteContent
141	* noContent = 0x0
142	* intContent = 0x1
143	* shortContent = 0x2
144	* byteContent = 0x3
145	*
146	* attrType = cdata OR id OR idref OR idrefs
147	* cdata = 0x0;
148	* id = 0x4
149	* idref = 0x8
150	* idrefs = 0xC
151	*
152	* hasNamespace = 0x10
153	*
154	* nodeIdUnitsLength = [short] (2 bytes) The number of units of the attr's NodeId
155	* nodeId = {@link org.exist.numbering.DLNBase#serialize(byte[], int)}
156	*
157	* localNameId = [int] (4 bytes) \| [short] (2 bytes) \| [byte] 1 byte. The Id of the attr's local name from SymbolTable (symbols.dbx)
158	*
159	* namespace = namespaceUriId namespacePrefixLength attrNamespacePrefix?
160	* namespaceUriId = [short] (2 bytes) The Id of the namespace URI from SymbolTable (symbols.dbx)
161	* namespacePrefixLength = [short] (2 bytes)
162	* attrNamespacePrefix = eUtf8
163	*
164	* value = eUtf8
165	*
166	* eUtf8 = {@link org.exist.util.UTF8#encode(java.lang.String, byte[], int)}
167	*
168	* @return the returned byte array after use must be returned to the ByteArrayPool
169	* by calling {@link ByteArrayPool#releaseByteArray(byte[])}
170	*/
171	@Override
172	public byte[] serialize() {
173	if(nodeName.getLocalPart() == null) {	1!
174	throw new RuntimeException("Local name is null");	×
175	}
176	final short id = ownerDocument.getBrokerPool().getSymbols().getSymbol(this);	1✔
177	final byte idSizeType = Signatures.getSizeType(id);	1✔
178	int prefixLen = 0;	1✔
179	if(nodeName.hasNamespace() && nodeName.getPrefix() != null && nodeName.getPrefix().length() > 0) {	1!
180	prefixLen = UTF8.encoded(nodeName.getPrefix());	1✔
181	}
182	final int nodeIdLen = nodeId.size();	1✔
183	final byte[] data = ByteArrayPool.getByteArray(	1✔
184	LENGTH_SIGNATURE_LENGTH + NodeId.LENGTH_NODE_ID_UNITS + nodeIdLen +	1✔
185	Signatures.getLength(idSizeType) +	1✔
186	(nodeName.hasNamespace() ? LENGTH_NS_ID + LENGTH_PREFIX_LENGTH + prefixLen : 0) +	1✔
187	value.UTF8Size());	1✔
188	int pos = 0;	1✔
189	data[pos] = (byte) (Signatures.Attr << 0x5);	1✔
190	data[pos] \|= idSizeType;	1✔
191	data[pos] \|= (byte) (attributeType << 0x2);	1✔
192	if(nodeName.hasNamespace()) {	1✔
193	data[pos] \|= 0x10;	1✔
194	}
195	pos += StoredNode.LENGTH_SIGNATURE_LENGTH;	1✔
196	ByteConversion.shortToByte((short) nodeId.units(), data, pos);	1✔
197	pos += NodeId.LENGTH_NODE_ID_UNITS;	1✔
198	nodeId.serialize(data, pos);	1✔
199	pos += nodeIdLen;	1✔
200	Signatures.write(idSizeType, id, data, pos);	1✔
201	pos += Signatures.getLength(idSizeType);	1✔
202	if(nodeName.hasNamespace()) {	1✔
203	final short nsId = ownerDocument.getBrokerPool().getSymbols().getNSSymbol(nodeName.getNamespaceURI());	1✔
204	ByteConversion.shortToByte(nsId, data, pos);	1✔
205	pos += LENGTH_NS_ID;	1✔
206	ByteConversion.shortToByte((short) prefixLen, data, pos);	1✔
207	pos += LENGTH_PREFIX_LENGTH;	1✔
208	if(nodeName.getPrefix() != null && nodeName.getPrefix().length() > 0) {	1!
209	UTF8.encode(nodeName.getPrefix(), data, pos);	1✔
210	}
211	pos += prefixLen;	1✔
212	}
213	value.UTF8Encode(data, pos);	1✔
214	return data;	1✔
215	}
216
217	public static StoredNode deserialize(final byte[] data, final int start, final int len, final DocumentImpl doc, final boolean pooled) {
218	int pos = start;	1✔
219	final byte idSizeType = (byte) (data[pos] & 0x3);	1✔
220	final boolean hasNamespace = (data[pos] & 0x10) == 0x10;	1✔
221	final int attrType = (data[pos] & 0x4) >> 0x2;	1✔
222	pos += StoredNode.LENGTH_SIGNATURE_LENGTH;	1✔
223	final int dlnLen = ByteConversion.byteToShort(data, pos);	1✔
224	pos += NodeId.LENGTH_NODE_ID_UNITS;	1✔
225	final NodeId dln = doc.getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);	1✔
226	pos += dln.size();	1✔
227	final short id = (short) Signatures.read(idSizeType, data, pos);	1✔
228	pos += Signatures.getLength(idSizeType);	1✔
229	final String name = doc.getBrokerPool().getSymbols().getName(id);	1✔
230	if(name == null) {	1!
231	throw new RuntimeException("no symbol for id " + id);	×
232	}
233	short nsId = 0;	1✔
234	String prefix = null;	1✔
235	if(hasNamespace) {	1✔
236	nsId = ByteConversion.byteToShort(data, pos);	1✔
237	pos += LENGTH_NS_ID;	1✔
238	int prefixLen = ByteConversion.byteToShort(data, pos);	1✔
239	pos += LENGTH_PREFIX_LENGTH;	1✔
240	if(prefixLen > 0) {	1!
241	prefix = UTF8.decode(data, pos, prefixLen).toString();	1✔
242	}
243	pos += prefixLen;	1✔
244	}
245	final String namespace = nsId == 0 ? "" : doc.getBrokerPool().getSymbols().getNamespace(nsId);	1✔
246	final XMLString value = UTF8.decode(data, pos, len - (pos - start));	1✔
247
248	//OK : we have the necessary material to build the attribute
249	final AttrImpl attr;
250	if(pooled) {	1!
251	attr = (AttrImpl) NodePool.getInstance().borrowNode(Node.ATTRIBUTE_NODE);	×
252	} else {	×
253	attr = new AttrImpl((Expression) null);	1✔
254	}
255	attr.setNodeName(doc.getBrokerPool().getSymbols().getQName(Node.ATTRIBUTE_NODE, namespace, name, prefix));	1✔
256	if (attr.value != null) {	1!
257	attr.value.reset();	×
258	}
259	attr.value = value;	1✔
260	attr.setNodeId(dln);	1✔
261	attr.setType(attrType);	1✔
262	return attr;	1✔
263	}
264
265	public static void addToList(final DBBroker broker, final byte[] data, final int start, final int len, final AttrList list) {
266	int pos = start;	1✔
267	final byte idSizeType = (byte) (data[pos] & 0x3);	1✔
268	final boolean hasNamespace = (data[pos] & 0x10) == 0x10;	1!
269	final int attrType = (data[pos] & 0x4) >> 0x2;	1✔
270	pos += StoredNode.LENGTH_SIGNATURE_LENGTH;	1✔
271	final int dlnLen = ByteConversion.byteToShort(data, pos);	1✔
272	pos += NodeId.LENGTH_NODE_ID_UNITS;	1✔
273	final NodeId dln = broker.getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);	1✔
274	pos += dln.size();	1✔
275	final short id = (short) Signatures.read(idSizeType, data, pos);	1✔
276	pos += Signatures.getLength(idSizeType);	1✔
277	final String name = broker.getBrokerPool().getSymbols().getName(id);	1✔
278	if(name == null) {	1!
279	throw new RuntimeException("no symbol for id " + id);	×
280	}
281	short nsId = 0;	1✔
282	String prefix = null;	1✔
283	if(hasNamespace) {	1!
284	nsId = ByteConversion.byteToShort(data, pos);	×
285	pos += LENGTH_NS_ID;	×
286	int prefixLen = ByteConversion.byteToShort(data, pos);	×
287	pos += LENGTH_PREFIX_LENGTH;	×
288	if(prefixLen > 0) {	×
289	prefix = UTF8.decode(data, pos, prefixLen).toString();	×
290	}
291	pos += prefixLen;	×
292	}
293	final String namespace = nsId == 0 ? XMLConstants.NULL_NS_URI : broker.getBrokerPool().getSymbols().getNamespace(nsId);	1!
294	final String value = new String(data, pos, len - (pos - start), UTF_8);	1✔
295
296	list.addAttribute(broker.getBrokerPool().getSymbols().getQName(Node.ATTRIBUTE_NODE, namespace, name, prefix), value, attrType, dln);	1✔
297	}	1✔
298
299	@Override
300	public String getName() {
301	return getNodeName();	1✔
302	}
303
304	public int getType() {
305	return attributeType;	1✔
306	}
307
308	public void setType(final int type) {
309	//TODO : range check -pb
310	this.attributeType = type;	1✔
311	}	1✔
312
313	public static String getAttributeType(final int type) {
314	return switch (type) {	×
315	case AttrImpl.ID -> "ID";	×
316	case AttrImpl.IDREF -> "IDREF";	×
317	case AttrImpl.IDREFS -> "IDREFS";	×
318	case AttrImpl.CDATA -> "CDATA";	×
319	default -> null;	×
320	};
321	}
322
323	public void setIndexType(final int idxType) {
324	this.indexType = idxType;	1✔
325	}	1✔
326
327	public int getIndexType() {
328	return indexType;	1✔
329	}
330
331	@Override
332	public String getValue() {
333	if(value == null) {	1!
334	return "";	×
335	} else {
336	return value.toString();	1✔
337	}
338	}
339
340	@Override
341	public void setValue(final String value) throws DOMException {
342	if (this.value != null) {	1✔
343	this.value.reset();	1✔
344	this.value.append(value);	1✔
345	} else {	1✔
346	this.value = new XMLString(value.toCharArray());	1✔
347	}
348	}	1✔
349
350	@Override
351	public String getNodeValue() {
352	return getValue();	1✔
353	}
354
355	@Override
356	public void setNodeValue(final String nodeValue) throws DOMException {
357	setValue(nodeValue);	×
358	}	×
359
360	@Override
361	public Element getOwnerElement() {
362	return (Element)getOwnerDocument().getNode(nodeId.getParentId());	1✔
363	}
364
365	@Override
366	public Node getParentNode() {
367	return null;	1✔
368	}
369
370	@Override
371	public StoredNode getParentStoredNode() {
372	return (StoredNode)getOwnerDocument().getNode(nodeId.getParentId());	1✔
373	}
374
375	@Override
376	public boolean getSpecified() {
377	return true;	1✔
378	}
379
380	@Override
381	public String toString() {
382	return String.valueOf(nodeName) + "=\"" + value + "\"";	×
383	}
384
385	@Override
386	public String toString(final boolean top) {
387	if(top) {	×
388	return"<exist:attribute " + "xmlns:exist=\"" + Namespaces.EXIST_NS + "\" " +	×
389	"exist:id=\"" + getNodeId() + "\" exist:source=\"" +	×
390	getOwnerDocument().getFileURI() + "\" " + getNodeName() + "=\"" + getValue() + "\"/>";	×
391	} else {
392	return toString();	×
393	}
394	}
395
396	@Override
397	public int getChildCount() {
398	return 0;	×
399	}
400
401	@Override
402	public Node getFirstChild() {
403	return null;	×
404	}
405
406	@Override
407	public Node getPreviousSibling() {
408	return null;	×
409	}
410
411	@Override
412	public Node getNextSibling() {
413	return null;	×
414	}
415
416	@Override
417	public TypeInfo getSchemaTypeInfo() {
418	return null;	×
419	}
420
421	@Override
422	public boolean isId() {
423	return this.getType() == ID;	1✔
424	}
425
426	@Override
427	public String getBaseURI() {
428	final Element e = getOwnerElement();	×
429	if(e != null) {	×
430	return e.getBaseURI();	×
431	}
432	return null;	×
433	}
434
435	@Override
436	public short compareDocumentPosition(final Node other) throws DOMException {
437	return 0;	×
438	}
439
440	@Override
441	public String getTextContent() throws DOMException {
442	return getNodeValue();	×
443	}
444
445	@Override
446	public void setTextContent(final String textContent) throws DOMException {
447	setNodeValue(textContent);	×
448	}	×
449
450	@Override
451	public String lookupPrefix(final String namespaceURI) {
452	return null;	×
453	}
454
455	@Override
456	public boolean isDefaultNamespace(final String namespaceURI) {
457	return false;	×
458	}
459
460	@Override
461	public String lookupNamespaceURI(final String prefix) {
462	return null;	×
463	}
464
465	@Override
466	public boolean isEqualNode(final Node arg) {
467	return false;	×
468	}
469
470	@Override
471	public Object getFeature(final String feature, final String version) {
472	return null;	×
473	}
474	@Override
475	public Object setUserData(final String key, final Object data, final UserDataHandler handler) {
476	return null;	×
477	}
478
479	@Override
480	public Object getUserData(final String key) {
481	return null;	×
482	}
483
484	@Override
485	public boolean equals(final Object obj) {
486	if(!super.equals(obj)) {	×
487	return false;	×
488	}
489
490	if(obj instanceof AttrImpl other) {	×
491	return other.getQName().equals(getQName())	×
492	&& other.value.equals(value);	×
493	}
494
495	return false;	×
496	}
497	}
498

evolvedbinary / elemental / 982

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