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java.lang.Object | +--org.apache.xpath.Expression | +--org.apache.xpath.patterns.NodeTest | +--org.apache.xpath.axes.PredicatedNodeTest | +--org.apache.xpath.axes.LocPathIterator | +--org.apache.xpath.axes.MatchPatternIterator
This class treats a LocationPath as a filtered iteration over the tree, evaluating each node in a super axis traversal against the LocationPath interpreted as a match pattern. This class is useful to find nodes in document order that are complex paths whose steps probably criss-cross each other.
Fields inherited from class org.apache.xpath.axes.LocPathIterator |
m_lastFetched |
Fields inherited from class org.apache.xpath.patterns.NodeTest |
SCORE_NODETEST,
SCORE_NONE,
SCORE_NSWILD,
SCORE_OTHER,
SCORE_QNAME,
SHOW_BYFUNCTION,
SUPPORTS_PRE_STRIPPING,
WILD |
Method Summary | |
short |
acceptNode(int n,
XPathContext xctxt)
Test whether a specified node is visible in the logical view of a TreeWalker or NodeIterator. |
int |
nextNode()
Returns the next node in the set and advances the position of the iterator in the set. |
void |
setRoot(int context,
java.lang.Object environment)
Initialize the context values for this expression after it is cloned. |
Methods inherited from class org.apache.xpath.axes.LocPathIterator |
allowDetachToRelease,
asIterator,
asNode,
bool,
callVisitors,
cloneWithReset,
detach,
execute,
executeCharsToContentHandler,
getAnalysisBits,
getAxis,
getContext,
getCurrentContextNode,
getCurrentNode,
getCurrentPos,
getDTM,
getDTMManager,
getExpandEntityReferences,
getFilter,
getFoundLast,
getIsTopLevel,
getLastPos,
getLength,
getPrefixResolver,
getRoot,
getWhatToShow,
getXPathContext,
incrementCurrentPos,
isDocOrdered,
isFresh,
isMutable,
isNodesetExpr,
item,
previousNode,
reset,
runTo,
setCurrentContextNode,
setCurrentPos,
setEnvironment,
setIsTopLevel,
setItem,
setShouldCacheNodes,
size |
Methods inherited from class org.apache.xpath.axes.PredicatedNodeTest |
acceptNode,
callPredicateVisitors,
canTraverseOutsideSubtree,
clone,
deepEquals,
fixupVariables,
getLocPathIterator,
getPredicate,
getPredicateCount,
getPredicateIndex,
getProximityPosition,
getProximityPosition,
initProximityPosition,
isReverseAxes,
resetProximityPositions,
setLocPathIterator,
setPredicateCount |
Methods inherited from class org.apache.xpath.patterns.NodeTest |
debugWhatToShow,
execute,
execute,
getDefaultScore,
getLocalName,
getNamespace,
getNodeTypeTest,
getStaticScore,
initNodeTest,
initNodeTest,
setLocalName,
setNamespace,
setStaticScore,
setWhatToShow |
Methods inherited from class org.apache.xpath.Expression |
asIteratorRaw,
assertion,
error,
execute,
exprAddChild,
exprGetChild,
exprGetNumChildren,
exprGetParent,
exprSetParent,
getColumnNumber,
getExpressionOwner,
getLineNumber,
getPublicId,
getSystemId,
isStableNumber,
num,
warn,
xstr |
Methods inherited from class java.lang.Object |
equals,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
Method Detail |
public void setRoot(int context, java.lang.Object environment)
execContext
- The XPath runtime context for this
transformation.public int nextNode()
Node
in the set being iterated over, or
null
if there are no more members in that set.public short acceptNode(int n, XPathContext xctxt)
n
- The node to check to see if it passes the filter or not.
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