Java Code Examples for com.sun.org.apache.xpath.internal.objects.XObject#CLASS_NUMBER
The following examples show how to use
com.sun.org.apache.xpath.internal.objects.XObject#CLASS_NUMBER .
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Example 1
| Source File: XPathResultImpl.java From hottub with GNU General Public License v2.0 | 6 votes |
|
/**
* Given an XObject, determine the corresponding DOM XPath type
*
* @return type string
*/
private short getTypeFromXObject(XObject object) {
switch (object.getType()) {
case XObject.CLASS_BOOLEAN: return BOOLEAN_TYPE;
case XObject.CLASS_NODESET: return UNORDERED_NODE_ITERATOR_TYPE;
case XObject.CLASS_NUMBER: return NUMBER_TYPE;
case XObject.CLASS_STRING: return STRING_TYPE;
// XPath 2.0 types
// case XObject.CLASS_DATE:
// case XObject.CLASS_DATETIME:
// case XObject.CLASS_DTDURATION:
// case XObject.CLASS_GDAY:
// case XObject.CLASS_GMONTH:
// case XObject.CLASS_GMONTHDAY:
// case XObject.CLASS_GYEAR:
// case XObject.CLASS_GYEARMONTH:
// case XObject.CLASS_TIME:
// case XObject.CLASS_YMDURATION: return STRING_TYPE; // treat all date types as strings?
case XObject.CLASS_RTREEFRAG: return UNORDERED_NODE_ITERATOR_TYPE;
case XObject.CLASS_NULL: return ANY_TYPE; // throw exception ?
default: return ANY_TYPE; // throw exception ?
}
}
Example 2
| Source File: XPathResultImpl.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
/**
* Given an XObject, determine the corresponding DOM XPath type
*
* @return type string
*/
private short getTypeFromXObject(XObject object) {
switch (object.getType()) {
case XObject.CLASS_BOOLEAN: return BOOLEAN_TYPE;
case XObject.CLASS_NODESET: return UNORDERED_NODE_ITERATOR_TYPE;
case XObject.CLASS_NUMBER: return NUMBER_TYPE;
case XObject.CLASS_STRING: return STRING_TYPE;
// XPath 2.0 types
// case XObject.CLASS_DATE:
// case XObject.CLASS_DATETIME:
// case XObject.CLASS_DTDURATION:
// case XObject.CLASS_GDAY:
// case XObject.CLASS_GMONTH:
// case XObject.CLASS_GMONTHDAY:
// case XObject.CLASS_GYEAR:
// case XObject.CLASS_GYEARMONTH:
// case XObject.CLASS_TIME:
// case XObject.CLASS_YMDURATION: return STRING_TYPE; // treat all date types as strings?
case XObject.CLASS_RTREEFRAG: return UNORDERED_NODE_ITERATOR_TYPE;
case XObject.CLASS_NULL: return ANY_TYPE; // throw exception ?
default: return ANY_TYPE; // throw exception ?
}
}
Example 3
| Source File: XPathResultImpl.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Given an XObject, determine the corresponding DOM XPath type
*
* @return type string
*/
private short getTypeFromXObject(XObject object) {
switch (object.getType()) {
case XObject.CLASS_BOOLEAN: return BOOLEAN_TYPE;
case XObject.CLASS_NODESET: return UNORDERED_NODE_ITERATOR_TYPE;
case XObject.CLASS_NUMBER: return NUMBER_TYPE;
case XObject.CLASS_STRING: return STRING_TYPE;
// XPath 2.0 types
// case XObject.CLASS_DATE:
// case XObject.CLASS_DATETIME:
// case XObject.CLASS_DTDURATION:
// case XObject.CLASS_GDAY:
// case XObject.CLASS_GMONTH:
// case XObject.CLASS_GMONTHDAY:
// case XObject.CLASS_GYEAR:
// case XObject.CLASS_GYEARMONTH:
// case XObject.CLASS_TIME:
// case XObject.CLASS_YMDURATION: return STRING_TYPE; // treat all date types as strings?
case XObject.CLASS_RTREEFRAG: return UNORDERED_NODE_ITERATOR_TYPE;
case XObject.CLASS_NULL: return ANY_TYPE; // throw exception ?
default: return ANY_TYPE; // throw exception ?
}
}
Example 4
| Source File: XPathResultImpl.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/**
* Read the internal result object and return the value in accordance with
* the type specified.
*
* @param <T> The expected class type.
* @param resultObject internal XPath result object
* @param type the class type
* @return The value of the result, null in case of unexpected type.
* @throws TransformerException if there is an error reading the XPath
* result.
*/
static <T> T getValue(XObject resultObject, Class<T> type) throws TransformerException {
Objects.requireNonNull(type);
if (type.isAssignableFrom(XPathEvaluationResult.class)) {
return type.cast(new XPathResultImpl<T>(resultObject, type));
}
int resultType = classToInternalType(type);
switch (resultType) {
case XObject.CLASS_BOOLEAN:
return type.cast(resultObject.bool());
case XObject.CLASS_NUMBER:
if (Double.class.isAssignableFrom(type)) {
return type.cast(resultObject.num());
} else if (Integer.class.isAssignableFrom(type)) {
return type.cast((int)resultObject.num());
} else if (Long.class.isAssignableFrom(type)) {
return type.cast((long)resultObject.num());
}
/*
This is to suppress warnings. By the current specification,
among numeric types, only Double, Integer and Long are supported.
*/
break;
case XObject.CLASS_STRING:
return type.cast(resultObject.str());
case XObject.CLASS_NODESET:
XPathNodes nodeSet = new XPathNodesImpl(resultObject.nodelist(),
Node.class);
return type.cast(nodeSet);
case XObject.CLASS_RTREEFRAG: //NODE
NodeIterator ni = resultObject.nodeset();
//Return the first node, or null
return type.cast(ni.nextNode());
}
return null;
}
Example 5
| Source File: XPathResultImpl.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/**
* Map the specified class type to the internal result type
*
* @param <T> The expected class type.
* @param type the class type
* @return the internal XObject type.
*/
static <T> int classToInternalType(Class<T> type) {
if (type.isAssignableFrom(Boolean.class)) {
return XObject.CLASS_BOOLEAN;
} else if (Number.class.isAssignableFrom(type)) {
return XObject.CLASS_NUMBER;
} else if (type.isAssignableFrom(String.class)) {
return XObject.CLASS_STRING;
} else if (type.isAssignableFrom(XPathNodes.class)) {
return XObject.CLASS_NODESET;
} else if (type.isAssignableFrom(Node.class)) {
return XObject.CLASS_RTREEFRAG;
}
return XObject.CLASS_NULL;
}
Example 6
| Source File: StepPattern.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* New Method to check whether the current node satisfies a position predicate
*
* @param xctxt The XPath runtime context.
* @param predPos Which predicate we're evaluating of foo[1][2][3].
* @param dtm The DTM of the current node.
* @param context The currentNode.
* @param pos The position being requested, i.e. the value returned by
* m_predicates[predPos].execute(xctxt).
*
* @return true of the position of the context matches pos, false otherwise.
*/
private final boolean checkProximityPosition(XPathContext xctxt,
int predPos, DTM dtm, int context, int pos)
{
try
{
DTMAxisTraverser traverser =
dtm.getAxisTraverser(Axis.PRECEDINGSIBLING);
for (int child = traverser.first(context); DTM.NULL != child;
child = traverser.next(context, child))
{
try
{
xctxt.pushCurrentNode(child);
if (NodeTest.SCORE_NONE != super.execute(xctxt, child))
{
boolean pass = true;
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < predPos; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
throw new Error("Why: Should never have been called");
}
else if (!pred.boolWithSideEffects())
{
pass = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
if (pass)
pos--;
if (pos < 1)
return false;
}
}
finally
{
xctxt.popCurrentNode();
}
}
}
catch (javax.xml.transform.TransformerException se)
{
// TODO: should keep throw sax exception...
throw new java.lang.RuntimeException(se.getMessage());
}
return (pos == 1);
}
Example 7
| Source File: StepPattern.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
/**
* New Method to check whether the current node satisfies a position predicate
*
* @param xctxt The XPath runtime context.
* @param predPos Which predicate we're evaluating of foo[1][2][3].
* @param dtm The DTM of the current node.
* @param context The currentNode.
* @param pos The position being requested, i.e. the value returned by
* m_predicates[predPos].execute(xctxt).
*
* @return true of the position of the context matches pos, false otherwise.
*/
private final boolean checkProximityPosition(XPathContext xctxt,
int predPos, DTM dtm, int context, int pos)
{
try
{
DTMAxisTraverser traverser =
dtm.getAxisTraverser(Axis.PRECEDINGSIBLING);
for (int child = traverser.first(context); DTM.NULL != child;
child = traverser.next(context, child))
{
try
{
xctxt.pushCurrentNode(child);
if (NodeTest.SCORE_NONE != super.execute(xctxt, child))
{
boolean pass = true;
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < predPos; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
throw new Error("Why: Should never have been called");
}
else if (!pred.boolWithSideEffects())
{
pass = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
if (pass)
pos--;
if (pos < 1)
return false;
}
}
finally
{
xctxt.popCurrentNode();
}
}
}
catch (javax.xml.transform.TransformerException se)
{
// TODO: should keep throw sax exception...
throw new java.lang.RuntimeException(se.getMessage());
}
return (pos == 1);
}
Example 8
| Source File: PredicatedNodeTest.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Process the predicates.
*
* @param context The current context node.
* @param xctxt The XPath runtime context.
*
* @return the result of executing the predicate expressions.
*
* @throws javax.xml.transform.TransformerException
*/
boolean executePredicates(int context, XPathContext xctxt)
throws javax.xml.transform.TransformerException
{
int nPredicates = getPredicateCount();
// System.out.println("nPredicates: "+nPredicates);
if (nPredicates == 0)
return true;
PrefixResolver savedResolver = xctxt.getNamespaceContext();
try
{
m_predicateIndex = 0;
xctxt.pushSubContextList(this);
xctxt.pushNamespaceContext(m_lpi.getPrefixResolver());
xctxt.pushCurrentNode(context);
for (int i = 0; i < nPredicates; i++)
{
// System.out.println("Executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
XObject pred = m_predicates[i].execute(xctxt);
// System.out.println("\nBack from executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
// System.out.println("pred.getType(): "+pred.getType());
if (XObject.CLASS_NUMBER == pred.getType())
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.flush();
System.out.println("\n===== start predicate count ========");
System.out.println("m_predicateIndex: " + m_predicateIndex);
// System.out.println("getProximityPosition(m_predicateIndex): "
// + getProximityPosition(m_predicateIndex));
System.out.println("pred.num(): " + pred.num());
}
int proxPos = this.getProximityPosition(m_predicateIndex);
int predIndex = (int) pred.num();
if (proxPos != predIndex)
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is false: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
return false;
}
else if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is true: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
// If there is a proximity index that will not change during the
// course of itteration, then we know there can be no more true
// occurances of this predicate, so flag that we're done after
// this.
//
// bugzilla 14365
// We can't set m_foundLast = true unless we're sure that -all-
// remaining parameters are stable, or else last() fails. Fixed so
// only sets m_foundLast if on the last predicate
if(m_predicates[i].isStableNumber() && i == nPredicates - 1)
{
m_foundLast = true;
}
}
else if (!pred.bool())
return false;
countProximityPosition(++m_predicateIndex);
}
}
finally
{
xctxt.popCurrentNode();
xctxt.popNamespaceContext();
xctxt.popSubContextList();
m_predicateIndex = -1;
}
return true;
}
Example 9
| Source File: PredicatedNodeTest.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
/**
* Process the predicates.
*
* @param context The current context node.
* @param xctxt The XPath runtime context.
*
* @return the result of executing the predicate expressions.
*
* @throws javax.xml.transform.TransformerException
*/
boolean executePredicates(int context, XPathContext xctxt)
throws javax.xml.transform.TransformerException
{
int nPredicates = getPredicateCount();
// System.out.println("nPredicates: "+nPredicates);
if (nPredicates == 0)
return true;
PrefixResolver savedResolver = xctxt.getNamespaceContext();
try
{
m_predicateIndex = 0;
xctxt.pushSubContextList(this);
xctxt.pushNamespaceContext(m_lpi.getPrefixResolver());
xctxt.pushCurrentNode(context);
for (int i = 0; i < nPredicates; i++)
{
// System.out.println("Executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
XObject pred = m_predicates[i].execute(xctxt);
// System.out.println("\nBack from executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
// System.out.println("pred.getType(): "+pred.getType());
if (XObject.CLASS_NUMBER == pred.getType())
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.flush();
System.out.println("\n===== start predicate count ========");
System.out.println("m_predicateIndex: " + m_predicateIndex);
// System.out.println("getProximityPosition(m_predicateIndex): "
// + getProximityPosition(m_predicateIndex));
System.out.println("pred.num(): " + pred.num());
}
int proxPos = this.getProximityPosition(m_predicateIndex);
int predIndex = (int) pred.num();
if (proxPos != predIndex)
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is false: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
return false;
}
else if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is true: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
// If there is a proximity index that will not change during the
// course of itteration, then we know there can be no more true
// occurances of this predicate, so flag that we're done after
// this.
//
// bugzilla 14365
// We can't set m_foundLast = true unless we're sure that -all-
// remaining parameters are stable, or else last() fails. Fixed so
// only sets m_foundLast if on the last predicate
if(m_predicates[i].isStableNumber() && i == nPredicates - 1)
{
m_foundLast = true;
}
}
else if (!pred.bool())
return false;
countProximityPosition(++m_predicateIndex);
}
}
finally
{
xctxt.popCurrentNode();
xctxt.popNamespaceContext();
xctxt.popSubContextList();
m_predicateIndex = -1;
}
return true;
}
Example 10
| Source File: PredicatedNodeTest.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Process the predicates.
*
* @param context The current context node.
* @param xctxt The XPath runtime context.
*
* @return the result of executing the predicate expressions.
*
* @throws javax.xml.transform.TransformerException
*/
boolean executePredicates(int context, XPathContext xctxt)
throws javax.xml.transform.TransformerException
{
int nPredicates = getPredicateCount();
// System.out.println("nPredicates: "+nPredicates);
if (nPredicates == 0)
return true;
PrefixResolver savedResolver = xctxt.getNamespaceContext();
try
{
m_predicateIndex = 0;
xctxt.pushSubContextList(this);
xctxt.pushNamespaceContext(m_lpi.getPrefixResolver());
xctxt.pushCurrentNode(context);
for (int i = 0; i < nPredicates; i++)
{
// System.out.println("Executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
XObject pred = m_predicates[i].execute(xctxt);
// System.out.println("\nBack from executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
// System.out.println("pred.getType(): "+pred.getType());
if (XObject.CLASS_NUMBER == pred.getType())
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.flush();
System.out.println("\n===== start predicate count ========");
System.out.println("m_predicateIndex: " + m_predicateIndex);
// System.out.println("getProximityPosition(m_predicateIndex): "
// + getProximityPosition(m_predicateIndex));
System.out.println("pred.num(): " + pred.num());
}
int proxPos = this.getProximityPosition(m_predicateIndex);
int predIndex = (int) pred.num();
if (proxPos != predIndex)
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is false: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
return false;
}
else if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is true: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
// If there is a proximity index that will not change during the
// course of itteration, then we know there can be no more true
// occurances of this predicate, so flag that we're done after
// this.
//
// bugzilla 14365
// We can't set m_foundLast = true unless we're sure that -all-
// remaining parameters are stable, or else last() fails. Fixed so
// only sets m_foundLast if on the last predicate
if(m_predicates[i].isStableNumber() && i == nPredicates - 1)
{
m_foundLast = true;
}
}
else if (!pred.bool())
return false;
countProximityPosition(++m_predicateIndex);
}
}
finally
{
xctxt.popCurrentNode();
xctxt.popNamespaceContext();
xctxt.popSubContextList();
m_predicateIndex = -1;
}
return true;
}
Example 11
| Source File: StepPattern.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
/**
* New Method to check whether the current node satisfies a position predicate
*
* @param xctxt The XPath runtime context.
* @param predPos Which predicate we're evaluating of foo[1][2][3].
* @param dtm The DTM of the current node.
* @param context The currentNode.
* @param pos The position being requested, i.e. the value returned by
* m_predicates[predPos].execute(xctxt).
*
* @return true of the position of the context matches pos, false otherwise.
*/
private final boolean checkProximityPosition(XPathContext xctxt,
int predPos, DTM dtm, int context, int pos)
{
try
{
DTMAxisTraverser traverser =
dtm.getAxisTraverser(Axis.PRECEDINGSIBLING);
for (int child = traverser.first(context); DTM.NULL != child;
child = traverser.next(context, child))
{
try
{
xctxt.pushCurrentNode(child);
if (NodeTest.SCORE_NONE != super.execute(xctxt, child))
{
boolean pass = true;
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < predPos; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
throw new Error("Why: Should never have been called");
}
else if (!pred.boolWithSideEffects())
{
pass = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
if (pass)
pos--;
if (pos < 1)
return false;
}
}
finally
{
xctxt.popCurrentNode();
}
}
}
catch (javax.xml.transform.TransformerException se)
{
// TODO: should keep throw sax exception...
throw new java.lang.RuntimeException(se.getMessage());
}
return (pos == 1);
}
Example 12
| Source File: StepPattern.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* New Method to check whether the current node satisfies a position predicate
*
* @param xctxt The XPath runtime context.
* @param predPos Which predicate we're evaluating of foo[1][2][3].
* @param dtm The DTM of the current node.
* @param context The currentNode.
* @param pos The position being requested, i.e. the value returned by
* m_predicates[predPos].execute(xctxt).
*
* @return true of the position of the context matches pos, false otherwise.
*/
private final boolean checkProximityPosition(XPathContext xctxt,
int predPos, DTM dtm, int context, int pos)
{
try
{
DTMAxisTraverser traverser =
dtm.getAxisTraverser(Axis.PRECEDINGSIBLING);
for (int child = traverser.first(context); DTM.NULL != child;
child = traverser.next(context, child))
{
try
{
xctxt.pushCurrentNode(child);
if (NodeTest.SCORE_NONE != super.execute(xctxt, child))
{
boolean pass = true;
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < predPos; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
throw new Error("Why: Should never have been called");
}
else if (!pred.boolWithSideEffects())
{
pass = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
if (pass)
pos--;
if (pos < 1)
return false;
}
}
finally
{
xctxt.popCurrentNode();
}
}
}
catch (javax.xml.transform.TransformerException se)
{
// TODO: should keep throw sax exception...
throw new java.lang.RuntimeException(se.getMessage());
}
return (pos == 1);
}
Example 13
| Source File: StepPattern.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
/**
* Execute the predicates on this step to determine if the current node
* should be filtered or accepted.
*
* @param xctxt The XPath runtime context.
* @param dtm The DTM of the current node.
* @param currentNode The current node context.
*
* @return true if the node should be accepted, false otherwise.
*
* @throws javax.xml.transform.TransformerException
*/
protected final boolean executePredicates(
XPathContext xctxt, DTM dtm, int currentNode)
throws javax.xml.transform.TransformerException
{
boolean result = true;
boolean positionAlreadySeen = false;
int n = getPredicateCount();
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < n; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
int pos = (int) pred.num();
if (positionAlreadySeen)
{
result = (pos == 1);
break;
}
else
{
positionAlreadySeen = true;
if (!checkProximityPosition(xctxt, i, dtm, currentNode, pos))
{
result = false;
break;
}
}
}
else if (!pred.boolWithSideEffects())
{
result = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
return result;
}
Example 14
| Source File: StepPattern.java From hottub with GNU General Public License v2.0 | 4 votes |
|
/**
* Execute the predicates on this step to determine if the current node
* should be filtered or accepted.
*
* @param xctxt The XPath runtime context.
* @param dtm The DTM of the current node.
* @param currentNode The current node context.
*
* @return true if the node should be accepted, false otherwise.
*
* @throws javax.xml.transform.TransformerException
*/
protected final boolean executePredicates(
XPathContext xctxt, DTM dtm, int currentNode)
throws javax.xml.transform.TransformerException
{
boolean result = true;
boolean positionAlreadySeen = false;
int n = getPredicateCount();
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < n; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
int pos = (int) pred.num();
if (positionAlreadySeen)
{
result = (pos == 1);
break;
}
else
{
positionAlreadySeen = true;
if (!checkProximityPosition(xctxt, i, dtm, currentNode, pos))
{
result = false;
break;
}
}
}
else if (!pred.boolWithSideEffects())
{
result = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
return result;
}
Example 15
| Source File: StepPattern.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Execute the predicates on this step to determine if the current node
* should be filtered or accepted.
*
* @param xctxt The XPath runtime context.
* @param dtm The DTM of the current node.
* @param currentNode The current node context.
*
* @return true if the node should be accepted, false otherwise.
*
* @throws javax.xml.transform.TransformerException
*/
protected final boolean executePredicates(
XPathContext xctxt, DTM dtm, int currentNode)
throws javax.xml.transform.TransformerException
{
boolean result = true;
boolean positionAlreadySeen = false;
int n = getPredicateCount();
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < n; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
int pos = (int) pred.num();
if (positionAlreadySeen)
{
result = (pos == 1);
break;
}
else
{
positionAlreadySeen = true;
if (!checkProximityPosition(xctxt, i, dtm, currentNode, pos))
{
result = false;
break;
}
}
}
else if (!pred.boolWithSideEffects())
{
result = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
return result;
}
Example 16
| Source File: StepPattern.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* New Method to check whether the current node satisfies a position predicate
*
* @param xctxt The XPath runtime context.
* @param predPos Which predicate we're evaluating of foo[1][2][3].
* @param dtm The DTM of the current node.
* @param context The currentNode.
* @param pos The position being requested, i.e. the value returned by
* m_predicates[predPos].execute(xctxt).
*
* @return true of the position of the context matches pos, false otherwise.
*/
private final boolean checkProximityPosition(XPathContext xctxt,
int predPos, DTM dtm, int context, int pos)
{
try
{
DTMAxisTraverser traverser =
dtm.getAxisTraverser(Axis.PRECEDINGSIBLING);
for (int child = traverser.first(context); DTM.NULL != child;
child = traverser.next(context, child))
{
try
{
xctxt.pushCurrentNode(child);
if (NodeTest.SCORE_NONE != super.execute(xctxt, child))
{
boolean pass = true;
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < predPos; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
throw new Error("Why: Should never have been called");
}
else if (!pred.boolWithSideEffects())
{
pass = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
if (pass)
pos--;
if (pos < 1)
return false;
}
}
finally
{
xctxt.popCurrentNode();
}
}
}
catch (javax.xml.transform.TransformerException se)
{
// TODO: should keep throw sax exception...
throw new java.lang.RuntimeException(se.getMessage());
}
return (pos == 1);
}
Example 17
| Source File: PredicatedNodeTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
/**
* Process the predicates.
*
* @param context The current context node.
* @param xctxt The XPath runtime context.
*
* @return the result of executing the predicate expressions.
*
* @throws javax.xml.transform.TransformerException
*/
boolean executePredicates(int context, XPathContext xctxt)
throws javax.xml.transform.TransformerException
{
int nPredicates = getPredicateCount();
// System.out.println("nPredicates: "+nPredicates);
if (nPredicates == 0)
return true;
PrefixResolver savedResolver = xctxt.getNamespaceContext();
try
{
m_predicateIndex = 0;
xctxt.pushSubContextList(this);
xctxt.pushNamespaceContext(m_lpi.getPrefixResolver());
xctxt.pushCurrentNode(context);
for (int i = 0; i < nPredicates; i++)
{
// System.out.println("Executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
XObject pred = m_predicates[i].execute(xctxt);
// System.out.println("\nBack from executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
// System.out.println("pred.getType(): "+pred.getType());
if (XObject.CLASS_NUMBER == pred.getType())
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.flush();
System.out.println("\n===== start predicate count ========");
System.out.println("m_predicateIndex: " + m_predicateIndex);
// System.out.println("getProximityPosition(m_predicateIndex): "
// + getProximityPosition(m_predicateIndex));
System.out.println("pred.num(): " + pred.num());
}
int proxPos = this.getProximityPosition(m_predicateIndex);
int predIndex = (int) pred.num();
if (proxPos != predIndex)
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is false: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
return false;
}
else if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is true: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
// If there is a proximity index that will not change during the
// course of itteration, then we know there can be no more true
// occurances of this predicate, so flag that we're done after
// this.
//
// bugzilla 14365
// We can't set m_foundLast = true unless we're sure that -all-
// remaining parameters are stable, or else last() fails. Fixed so
// only sets m_foundLast if on the last predicate
if(m_predicates[i].isStableNumber() && i == nPredicates - 1)
{
m_foundLast = true;
}
}
else if (!pred.bool())
return false;
countProximityPosition(++m_predicateIndex);
}
}
finally
{
xctxt.popCurrentNode();
xctxt.popNamespaceContext();
xctxt.popSubContextList();
m_predicateIndex = -1;
}
return true;
}
Example 18
| Source File: StepPattern.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Execute the predicates on this step to determine if the current node
* should be filtered or accepted.
*
* @param xctxt The XPath runtime context.
* @param dtm The DTM of the current node.
* @param currentNode The current node context.
*
* @return true if the node should be accepted, false otherwise.
*
* @throws javax.xml.transform.TransformerException
*/
protected final boolean executePredicates(
XPathContext xctxt, DTM dtm, int currentNode)
throws javax.xml.transform.TransformerException
{
boolean result = true;
boolean positionAlreadySeen = false;
int n = getPredicateCount();
try
{
xctxt.pushSubContextList(this);
for (int i = 0; i < n; i++)
{
xctxt.pushPredicatePos(i);
try
{
XObject pred = m_predicates[i].execute(xctxt);
try
{
if (XObject.CLASS_NUMBER == pred.getType())
{
int pos = (int) pred.num();
if (positionAlreadySeen)
{
result = (pos == 1);
break;
}
else
{
positionAlreadySeen = true;
if (!checkProximityPosition(xctxt, i, dtm, currentNode, pos))
{
result = false;
break;
}
}
}
else if (!pred.boolWithSideEffects())
{
result = false;
break;
}
}
finally
{
pred.detach();
}
}
finally
{
xctxt.popPredicatePos();
}
}
}
finally
{
xctxt.popSubContextList();
}
return result;
}
Example 19
| Source File: PredicatedNodeTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
/**
* Process the predicates.
*
* @param context The current context node.
* @param xctxt The XPath runtime context.
*
* @return the result of executing the predicate expressions.
*
* @throws javax.xml.transform.TransformerException
*/
boolean executePredicates(int context, XPathContext xctxt)
throws javax.xml.transform.TransformerException
{
int nPredicates = getPredicateCount();
// System.out.println("nPredicates: "+nPredicates);
if (nPredicates == 0)
return true;
PrefixResolver savedResolver = xctxt.getNamespaceContext();
try
{
m_predicateIndex = 0;
xctxt.pushSubContextList(this);
xctxt.pushNamespaceContext(m_lpi.getPrefixResolver());
xctxt.pushCurrentNode(context);
for (int i = 0; i < nPredicates; i++)
{
// System.out.println("Executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
XObject pred = m_predicates[i].execute(xctxt);
// System.out.println("\nBack from executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
// System.out.println("pred.getType(): "+pred.getType());
if (XObject.CLASS_NUMBER == pred.getType())
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.flush();
System.out.println("\n===== start predicate count ========");
System.out.println("m_predicateIndex: " + m_predicateIndex);
// System.out.println("getProximityPosition(m_predicateIndex): "
// + getProximityPosition(m_predicateIndex));
System.out.println("pred.num(): " + pred.num());
}
int proxPos = this.getProximityPosition(m_predicateIndex);
int predIndex = (int) pred.num();
if (proxPos != predIndex)
{
if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is false: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
return false;
}
else if (DEBUG_PREDICATECOUNTING)
{
System.out.println("\nnode context: "+nodeToString(context));
System.out.println("index predicate is true: "+proxPos);
System.out.println("\n===== end predicate count ========");
}
// If there is a proximity index that will not change during the
// course of itteration, then we know there can be no more true
// occurances of this predicate, so flag that we're done after
// this.
//
// bugzilla 14365
// We can't set m_foundLast = true unless we're sure that -all-
// remaining parameters are stable, or else last() fails. Fixed so
// only sets m_foundLast if on the last predicate
if(m_predicates[i].isStableNumber() && i == nPredicates - 1)
{
m_foundLast = true;
}
}
else if (!pred.bool())
return false;
countProximityPosition(++m_predicateIndex);
}
}
finally
{
xctxt.popCurrentNode();
xctxt.popNamespaceContext();
xctxt.popSubContextList();
m_predicateIndex = -1;
}
return true;
}
Example 20
| Source File: Number.java From hottub with GNU General Public License v2.0 | 3 votes |
|
/**
* Apply the operation to two operands, and return the result.
*
*
* @param right non-null reference to the evaluated right operand.
*
* @return non-null reference to the XObject that represents the result of the operation.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject operate(XObject right) throws javax.xml.transform.TransformerException
{
if (XObject.CLASS_NUMBER == right.getType())
return right;
else
return new XNumber(right.num());
}
