package net.sf.saxon.tinytree;
import net.sf.saxon.event.Receiver;
import net.sf.saxon.om.SequenceIterator;
import net.sf.saxon.om.SingletonIterator;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.type.Type;
import net.sf.saxon.value.UntypedAtomicValue;
import net.sf.saxon.value.Value;
/**
* A node in the XML parse tree representing character content
* @author Michael H. Kay
*/
public final class TinyTextImpl extends TinyNodeImpl {
/**
* Create a text node
* @param tree the tree to contain the node
* @param nodeNr the internal node number
*/
public TinyTextImpl(TinyTree tree, int nodeNr) {
this.tree = tree;
this.nodeNr = nodeNr;
}
/**
* Return the character value of the node.
* @return the string value of the node
*/
public String getStringValue() {
int start = tree.alpha[nodeNr];
int len = tree.beta[nodeNr];
//return new String(tree.charBuffer, start, len);
return tree.charBuffer.substring(start, start+len);
}
/**
* Get the value of the item as a CharSequence. This is in some cases more efficient than
* the version of the method that returns a String.
*/
public CharSequence getStringValueCS() {
int start = tree.alpha[nodeNr];
int len = tree.beta[nodeNr];
return tree.charBuffer.subSequence(start, start+len);
}
/**
* Static method to get the string value of a text node without first constructing the node object
* @param tree the tree
* @param nodeNr the node number of the text node
* @return the string value of the text node
*/
public static CharSequence getStringValue(TinyTree tree, int nodeNr) {
int start = tree.alpha[nodeNr];
int len = tree.beta[nodeNr];
return tree.charBuffer.subSequence(start, start+len);
}
/**
* Return the type of node.
* @return Type.TEXT
*/
public final int getNodeKind() {
return Type.TEXT;
}
/**
* Copy this node to a given outputter
*/
public void copy(Receiver out, int whichNamespaces, boolean copyAnnotations, int locationId) throws XPathException {
out.characters(getStringValueCS(), 0, 0);
}
/**
* Get the typed value of this node.
* If there is no type annotation, we return the string value, as an instance
* of xs:untypedAtomic
*/
public SequenceIterator getTypedValue() throws XPathException {
return SingletonIterator.makeIterator(new UntypedAtomicValue(getStringValueCS()));
}
/**
* Get the typed value. The result of this method will always be consistent with the method
* {@link net.sf.saxon.om.Item#getTypedValue()}. However, this method is often more convenient and may be
* more efficient, especially in the common case where the value is expected to be a singleton.
* @return the typed value. It will be a Value representing a sequence whose items are atomic
* values.
* @since 8.5
*/
public Value atomize() throws XPathException {
return new UntypedAtomicValue(getStringValueCS());
}
}
//
// The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
// you may not use this file except in compliance with the License. You may obtain a copy of the
// License at http://www.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is Michael H. Kay.
//
// Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
//
// Contributor(s): none.
//