/*
* RuntimeValue.java
*
* Copyright 2008 Mark Logic Corporation.
* Portions Copyright 2007 Sun Microsystems, Inc.
* All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* https://xproc.dev.java.net/public/CDDL+GPL.html or
* docs/CDDL+GPL.txt in the distribution. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at docs/CDDL+GPL.txt.
*/
package com.xmlcalabash.model;
import java.net.URI;
import java.util.Hashtable;
import java.util.Vector;
import net.sf.saxon.lib.NamespaceConstant;
import net.sf.saxon.s9api.Axis;
import net.sf.saxon.s9api.ItemTypeFactory;
import net.sf.saxon.s9api.QName;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.XdmAtomicValue;
import net.sf.saxon.s9api.XdmItem;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.XdmSequenceIterator;
import net.sf.saxon.s9api.XdmValue;
import net.sf.saxon.s9api.ItemType;
import net.sf.saxon.value.StringValue;
import com.xmlcalabash.core.XProcException;
import com.xmlcalabash.core.XProcRuntime;
/**
*
* @author ndw
*/
public class RuntimeValue {
private Vector<XdmItem> generalValue = null;
private String value = null;
private XdmNode node = null;
private boolean initialized = false;
private Hashtable<String,String> nsBindings = null;
public RuntimeValue() {
// nop; returns an uninitialized value
}
public RuntimeValue(String value, XdmNode node) {
this.value = value;
this.node = node;
initialized = true;
nsBindings = new Hashtable<String,String> ();
XdmSequenceIterator nsIter = node.axisIterator(Axis.NAMESPACE);
while (nsIter.hasNext()) {
XdmNode ns = (XdmNode) nsIter.next();
QName nodeName = ns.getNodeName();
String uri = ns.getStringValue();
if (nodeName == null) {
// Huh?
nsBindings.put("", uri);
} else {
String localName = nodeName.getLocalName();
nsBindings.put(localName,uri);
}
}
}
public RuntimeValue(String value, XdmNode node, Hashtable<String,String> nsBindings) {
this.value = value;
this.node = node;
this.nsBindings = nsBindings;
initialized = true;
}
public RuntimeValue(String value, Vector<XdmItem> generalValue, XdmNode node, Hashtable<String,String> nsBindings) {
this.value = value;
this.generalValue = generalValue;
this.node = node;
this.nsBindings = nsBindings;
initialized = true;
}
public RuntimeValue(String value) {
this.value = value;
initialized = true;
}
/*
public void setComputableValue(ComputableValue value) {
val = value;
initialized = true;
}
*/
public boolean initialized() {
return initialized;
}
public XdmAtomicValue getUntypedAtomic(XProcRuntime runtime) {
try {
ItemTypeFactory itf = new ItemTypeFactory(runtime.getProcessor());
ItemType untypedAtomic = itf.getAtomicType(new QName(NamespaceConstant.SCHEMA, "xs:untypedAtomic"));
XdmAtomicValue val = new XdmAtomicValue(value, untypedAtomic);
return val;
} catch (SaxonApiException sae) {
throw new XProcException(sae);
}
}
public String getString() {
return value;
}
public boolean hasGeneralValue() {
return generalValue != null;
}
public XdmValue getValue() {
if (generalValue == null) {
// Turn the string value into an XdmValue
return new XdmAtomicValue(value);
}
if (generalValue.size() == 1) {
return generalValue.get(0);
} else {
return new XdmValue(generalValue);
}
}
public StringValue getStringValue() {
return new StringValue(value);
}
public QName getQName() {
// FIXME: Check the type
// TypeUtils.checkType(runtime, value, )
if (value.contains(":")) {
return new QName(value, node);
} else {
return new QName("", value);
}
}
public XdmNode getNode() {
return node;
}
public URI getBaseURI() {
return node.getBaseURI();
}
public Hashtable<String,String> getNamespaceBindings() {
return nsBindings;
}
public boolean getBoolean() {
if ("true".equals(value) || "1".equals(value)) {
return true;
} else if ("false".equals(value) || "0".equals(value)) {
return false;
} else {
throw new XProcException(node, "Non boolean string: " + value);
}
}
public int getInt() {
int result = Integer.parseInt(value);
return result;
}
public long getLong() {
long result = Long.parseLong(value);
return result;
}
public XdmSequenceIterator getNamespaces() {
return node.axisIterator(Axis.NAMESPACE);
}
}