public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
Sequence seq;
Sequence result;
if (contextItem != null) contextSequence = contextItem.toSequence();
/*
if (contextSequence == null || contextSequence.isEmpty())
result = Sequence.EMPTY_SEQUENCE;
*/
// If we have one argument, we take it into account
if (getSignature().getArgumentCount() > 0)
seq = getArgument(0).eval(contextSequence, contextItem);
// Otherwise, we take the context sequence and we iterate over it
else seq = contextSequence;
if (seq == null) throw new XPathException(this, "XPDY0002: Undefined context item");
if (seq.isEmpty())
// Bloody specs !
result = StringValue.EMPTY_STRING;
else {
Item item = seq.itemAt(0);
if (!Type.subTypeOf(item.getType(), Type.NODE))
throw new XPathException(
this, "XPTY0004: item is not a node; got '" + Type.getTypeName(item.getType()) + "'");
// TODO : how to improve performance ?
Node n = ((NodeValue) item).getNode();
if (n instanceof QNameable)
result = new StringValue(((QNameable) n).getQName().getStringValue());
else result = StringValue.EMPTY_STRING;
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
/* (non-Javadoc)
* @see org.exist.xquery.Expression#eval(org.exist.xquery.StaticContext, org.exist.dom.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
*/
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
Sequence result = atomize(expression.eval(contextSequence, contextItem));
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null) {
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
}
if (contextItem != null) {
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
}
if (contextItem != null) {
contextSequence = contextItem.toSequence();
}
Sequence result;
final String s1 = getArgument(0).eval(contextSequence).getStringValue();
final String s2 = getArgument(1).eval(contextSequence).getStringValue();
if (s1.length() == 0 || s2.length() == 0) {
result = Sequence.EMPTY_SEQUENCE;
} else {
final Collator collator = getCollator(contextSequence, contextItem, 3);
if (Collations.startsWith(collator, s1, s2)) {
result = BooleanValue.TRUE;
} else {
result = BooleanValue.FALSE;
}
}
if (context.getProfiler().isEnabled()) {
context.getProfiler().end(this, "", result);
}
return result;
}
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
if (contextItem != null) contextSequence = contextItem.toSequence();
Sequence result;
Sequence arg = null;
if (getSignature().getArgumentCount() == 1) arg = getArgument(0).eval(contextSequence);
else arg = contextSequence;
if (arg == null) throw new XPathException(getASTNode(), "XPDY0002: Undefined context item");
if (arg.isEmpty()) result = DoubleValue.NaN;
else {
try {
result = arg.convertTo(Type.DOUBLE);
} catch (XPathException e) {
result = DoubleValue.NaN;
}
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
/* (non-Javadoc)
* @see org.exist.xquery.Expression#eval(org.exist.dom.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
*/
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
if (contextItem != null) contextSequence = contextItem.toSequence();
Sequence result;
Sequence seq = expression.eval(contextSequence, contextItem);
if (seq.isEmpty()) result = Sequence.EMPTY_SEQUENCE;
else {
// seq.setSelfAsContext();
result = seq;
for (Iterator i = predicates.iterator(); i.hasNext(); ) {
Predicate pred = (Predicate) i.next();
result = pred.evalPredicate(contextSequence, result, Constants.DESCENDANT_SELF_AXIS);
}
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
/* (non-Javadoc)
* @see org.exist.xquery.Expression#eval(org.exist.dom.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
*/
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
ResponseModule myModule = (ResponseModule) context.getModule(ResponseModule.NAMESPACE_URI);
// response object is read from global variable $response
Variable var = myModule.resolveVariable(ResponseModule.RESPONSE_VAR);
if (var == null || var.getValue() == null) throw new XPathException("Response not set");
if (var.getValue().getItemType() != Type.JAVA_OBJECT)
throw new XPathException("Variable $response is not bound to a Java object.");
JavaObjectValue response = (JavaObjectValue) var.getValue().itemAt(0);
// get parameter
int code =
((IntegerValue) getArgument(0).eval(contextSequence, contextItem).convertTo(Type.INTEGER))
.getInt();
// set response status code
if (response.getObject() instanceof ResponseWrapper)
((ResponseWrapper) response.getObject()).setStatusCode(code);
else
throw new XPathException("Type error: variable $response is not bound to a response object");
return Sequence.EMPTY_SEQUENCE;
}
/* (non-Javadoc)
* @see org.exist.xquery.Expression#eval(org.exist.dom.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
*/
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
logger.error(
"Use of deprecated function fn:doctype(). "
+ "It will be removed soon. Please "
+ "use util:doctype() instead.");
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
MutableDocumentSet docs = new DefaultDocumentSet();
for (int i = 0; i < getArgumentCount(); i++) {
Sequence seq = getArgument(i).eval(contextSequence, contextItem);
for (SequenceIterator j = seq.iterate(); j.hasNext(); ) {
String next = j.nextItem().getStringValue();
context.getBroker().getXMLResourcesByDoctype(next, docs);
}
}
NodeSet result = new ExtArrayNodeSet(1);
for (Iterator i = docs.getDocumentIterator(); i.hasNext(); ) {
result.add(new NodeProxy((DocumentImpl) i.next(), NodeId.DOCUMENT_NODE));
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
Sequence result;
Sequence[] args = getArguments(contextSequence, contextItem);
Collator collator = getCollator(contextSequence, contextItem, 3);
int length = args[0].getItemCount();
if (length != args[1].getItemCount()) result = BooleanValue.FALSE;
else {
result = BooleanValue.TRUE;
for (int i = 0; i < length; i++) {
if (!deepEquals(args[0].itemAt(i), args[1].itemAt(i), collator)) {
result = BooleanValue.FALSE;
break;
}
}
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
/** @see org.exist.xquery.Expression#eval(Sequence, Item) */
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
Sequence result;
Sequence arg = getArgument(0).eval(contextSequence, contextItem);
if (arg.isEmpty()) result = BooleanValue.FALSE;
else {
String path = arg.itemAt(0).getStringValue();
try {
result = BooleanValue.valueOf(DocUtils.isDocumentAvailable(this.context, path));
} catch (Exception e) {
throw new XPathException(getASTNode(), e.getMessage());
}
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
/*
* (non-Javadoc)
*
* @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[],
* org.exist.xquery.value.Sequence)
*/
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
Expression arg1 = getArgument(0);
Sequence s1 = arg1.eval(contextSequence, contextItem);
Expression arg2 = getArgument(1);
context.pushDocumentContext();
Sequence s2 = arg2.eval(contextSequence, contextItem);
context.popDocumentContext();
if (s1.isEmpty()) {
return BooleanValue.valueOf(s2.isEmpty());
} else if (s2.isEmpty()) {
return BooleanValue.valueOf(s1.isEmpty());
}
Sequence result = null;
StringBuffer v1 = new StringBuffer();
StringBuffer v2 = new StringBuffer();
try {
if (s1.hasMany()) {
for (int i = 0; i < s1.getItemCount(); i++) {
v1.append(serialize((NodeValue) s1.itemAt(i)));
}
} else {
v1.append(serialize((NodeValue) s1.itemAt(0)));
}
if (s2.hasMany()) {
for (int i = 0; i < s2.getItemCount(); i++) {
v2.append(serialize((NodeValue) s2.itemAt(i)));
}
} else {
v2.append(serialize((NodeValue) s2.itemAt(0)));
}
Diff d = new Diff(v1.toString(), v2.toString());
boolean identical = d.identical();
if (!identical) {
logger.warn("Diff result: " + d.toString());
}
result = new BooleanValue(identical);
} catch (Exception e) {
throw new XPathException(
this,
"An exception occurred while serializing node " + "for comparison: " + e.getMessage(),
e);
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
/* (non-Javadoc)
* @see org.exist.xquery.AbstractExpression#eval(org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
*/
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
if (requiredType == Type.ATOMIC
|| (requiredType == Type.NOTATION && expression.returnsType() != Type.NOTATION))
throw new XPathException(
this, "err:XPST0080: cannot convert to " + Type.getTypeName(requiredType));
if (requiredType == Type.ANY_SIMPLE_TYPE
|| expression.returnsType() == Type.ANY_SIMPLE_TYPE
|| requiredType == Type.UNTYPED
|| expression.returnsType() == Type.UNTYPED)
throw new XPathException(
this, "err:XPST0051: cannot convert to " + Type.getTypeName(requiredType));
Sequence result;
// See : http://article.gmane.org/gmane.text.xml.xquery.general/1413
// ... for the rationale
// may be more complicated : let's see with following XQTS versions
if (requiredType == Type.QNAME && Dependency.dependsOnVar(expression))
result = BooleanValue.FALSE;
else {
Sequence seq = expression.eval(contextSequence, contextItem);
if (seq.isEmpty()) {
// If ? is specified after the target type, the result of the cast expression is an empty
// sequence.
if (Cardinality.checkCardinality(requiredCardinality, Cardinality.ZERO))
result = BooleanValue.TRUE;
// If ? is not specified after the target type, a type error is raised [err:XPTY0004].
else
// TODO : raise the error ?
result = BooleanValue.FALSE;
} else {
try {
seq.itemAt(0).convertTo(requiredType);
// If ? is specified after the target type, the result of the cast expression is an empty
// sequence.
if (Cardinality.checkCardinality(requiredCardinality, seq.getCardinality()))
result = BooleanValue.TRUE;
// If ? is not specified after the target type, a type error is raised [err:XPTY0004].
else result = BooleanValue.FALSE;
// TODO : improve by *not* using a costly exception ?
} catch (XPathException e) {
result = BooleanValue.FALSE;
}
}
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
