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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.FilterExprIteratorSimple
Class to use for one-step iteration that doesn't have a predicate, and doesn't need to set the context.
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 |
Constructor Summary | |
FilterExprIteratorSimple()
Create a FilterExprIteratorSimple object. |
|
FilterExprIteratorSimple(Expression expr)
Create a FilterExprIteratorSimple object. |
Method Summary | |
void |
callPredicateVisitors(XPathVisitor visitor)
This will traverse the heararchy, calling the visitor for each member. |
boolean |
deepEquals(Expression expr)
|
void |
detach()
Detaches the walker from the set which it iterated over, releasing any computational resources and placing the iterator in the INVALID state. |
static XNodeSet |
executeFilterExpr(int context,
XPathContext xctxt,
PrefixResolver prefixResolver,
boolean isTopLevel,
int stackFrame,
Expression expr)
Execute the expression. |
void |
fixupVariables(java.util.Vector vars,
int globalsSize)
This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time. |
int |
getAnalysisBits()
Get the analysis bits for this walker, as defined in the WalkerFactory. |
int |
getAxis()
Returns the axis being iterated, if it is known. |
Expression |
getInnerExpression()
Get the inner contained expression of this filter. |
boolean |
isDocOrdered()
Returns true if all the nodes in the iteration well be returned in document order. |
int |
nextNode()
Returns the next node in the set and advances the position of the iterator in the set. |
void |
setInnerExpression(Expression expr)
Set the inner contained expression of this filter. |
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,
execute,
executeCharsToContentHandler,
getContext,
getCurrentContextNode,
getCurrentNode,
getCurrentPos,
getDTM,
getDTMManager,
getExpandEntityReferences,
getFilter,
getFoundLast,
getIsTopLevel,
getLastPos,
getLength,
getPrefixResolver,
getRoot,
getWhatToShow,
getXPathContext,
incrementCurrentPos,
isFresh,
isMutable,
isNodesetExpr,
item,
previousNode,
reset,
runTo,
setCurrentContextNode,
setCurrentPos,
setEnvironment,
setIsTopLevel,
setItem,
setShouldCacheNodes,
size |
Methods inherited from class org.apache.xpath.axes.PredicatedNodeTest |
acceptNode,
canTraverseOutsideSubtree,
clone,
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 |
Constructor Detail |
public FilterExprIteratorSimple()
public FilterExprIteratorSimple(Expression expr)
Method Detail |
public void setRoot(int context, java.lang.Object environment)
context
- The XPath runtime context for this
transformation.public static XNodeSet executeFilterExpr(int context, XPathContext xctxt, PrefixResolver prefixResolver, boolean isTopLevel, int stackFrame, Expression expr) throws WrappedRuntimeException
public int nextNode()
Node
in the set being iterated over, or
null
if there are no more members in that set.public void detach()
public void fixupVariables(java.util.Vector vars, int globalsSize)
vars
- List of QNames that correspond to variables. This list
should be searched backwards for the first qualified name that
corresponds to the variable reference qname. The position of the
QName in the vector from the start of the vector will be its position
in the stack frame (but variables above the globalsTop value will need
to be offset to the current stack frame).public Expression getInnerExpression()
public void setInnerExpression(Expression expr)
public int getAnalysisBits()
public boolean isDocOrdered()
public void callPredicateVisitors(XPathVisitor visitor)
visitor
- The visitor whose appropriate method will be called.public boolean deepEquals(Expression expr)
Expression.deepEquals(Expression)
public int getAxis()
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