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Xalan-Java 2: Class AxesWalker
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org.apache.xpath.axes</FONT>
<BR>
Class AxesWalker</H2>
<PRE>
java.lang.Object
|
+--<A HREF="../../../../org/apache/xpath/Expression.html">org.apache.xpath.Expression</A>
|
+--<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html">org.apache.xpath.patterns.NodeTest</A>
|
+--<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">org.apache.xpath.axes.PredicatedNodeTest</A>
|
+--<B>org.apache.xpath.axes.AxesWalker</B>
</PRE>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/xpath/axes/AttributeWalker.html">AttributeWalker</A>, <A HREF="../../../../org/apache/xpath/axes/AttributeWalkerOneStep.html">AttributeWalkerOneStep</A>, <A HREF="../../../../org/apache/xpath/axes/ChildWalker.html">ChildWalker</A>, <A HREF="../../../../org/apache/xpath/axes/ChildWalkerMultiStep.html">ChildWalkerMultiStep</A>, <A HREF="../../../../org/apache/xpath/axes/ChildWalkerOneStep.html">ChildWalkerOneStep</A>, <A HREF="../../../../org/apache/xpath/axes/DescendantWalker.html">DescendantWalker</A>, <A HREF="../../../../org/apache/xpath/axes/FilterExprWalker.html">FilterExprWalker</A>, <A HREF="../../../../org/apache/xpath/axes/FollowingSiblingWalker.html">FollowingSiblingWalker</A>, <A HREF="../../../../org/apache/xpath/axes/FollowingWalker.html">FollowingWalker</A>, <A HREF="../../../../org/apache/xpath/axes/NamespaceWalker.html">NamespaceWalker</A>, <A HREF="../../../../org/apache/xpath/axes/ParentWalker.html">ParentWalker</A>, <A HREF="../../../../org/apache/xpath/axes/ReverseAxesWalker.html">ReverseAxesWalker</A>, <A HREF="../../../../org/apache/xpath/axes/RootWalker.html">RootWalker</A>, <A HREF="../../../../org/apache/xpath/axes/SelfWalker.html">SelfWalker</A>, <A HREF="../../../../org/apache/xpath/axes/SelfWalkerOneStep.html">SelfWalkerOneStep</A></DD>
</DL>
<HR>
<DL>
<DT>public abstract class <B>AxesWalker</B><DT>extends <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A><DT>implements java.lang.Cloneable, <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A>, <A HREF="../../../../org/w3c/dom/traversal/NodeFilter.html">NodeFilter</A></DL>
<P>
Serves as common interface for axes Walkers, and stores common
state variables.
<P>
<DL>
<DT><B>See Also: </B><DD><A HREF="../../../../serialized-form.html#org.apache.xpath.axes.AxesWalker">Serialized Form</A></DL>
<HR>
<P>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#FEATURE_NODETESTFILTER">FEATURE_NODETESTFILTER</A></B></CODE>
<BR>
String passed to <A HREF="../../../../org/w3c/dom/Node.html#isSupported(java.lang.String, java.lang.String)"><CODE>Node.isSupported(java.lang.String, java.lang.String)</CODE></A> to see if it implements
a <A HREF="../../../../org/apache/xpath/patterns/NodeTestFilter.html"><CODE>NodeTestFilter</CODE></A> interface.</TD>
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<TD><B>Fields inherited from class org.apache.xpath.patterns.<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html">NodeTest</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_NODETEST">SCORE_NODETEST</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_NONE">SCORE_NONE</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_NSWILD">SCORE_NSWILD</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_OTHER">SCORE_OTHER</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_QNAME">SCORE_QNAME</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SHOW_BYFUNCTION">SHOW_BYFUNCTION</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SHOW_NAMESPACE">SHOW_NAMESPACE</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SUPPORTS_PRE_STRIPPING">SUPPORTS_PRE_STRIPPING</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#WILD">WILD</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#AxesWalker(org.apache.xpath.axes.LocPathIterator)">AxesWalker</A></B>(<A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html">LocPathIterator</A> locPathIterator)</CODE>
<BR>
Construct an AxesWalker using a LocPathIterator.</TD>
</TR>
</TABLE>
<!-- ========== METHOD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#canTraverseOutsideSubtree()">canTraverseOutsideSubtree</A></B>()</CODE>
<BR>
Tell if this expression or it's subexpressions can traverse outside
the current subtree.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#clone()">clone</A></B>()</CODE>
<BR>
Get a cloned AxesWalker.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#firstChild()">firstChild</A></B>()</CODE>
<BR>
Moves the <code>TreeWalker</code> to the first visible child of the
current node, and returns the new node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#getCurrentNode()">getCurrentNode</A></B>()</CODE>
<BR>
The node at which the TreeWalker is currently positioned.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#getExpandEntityReferences()">getExpandEntityReferences</A></B>()</CODE>
<BR>
The value of this flag determines whether the children of entity
reference nodes are visible to the TreeWalker.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/traversal/NodeFilter.html">NodeFilter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#getFilter()">getFilter</A></B>()</CODE>
<BR>
The filter used to screen nodes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#getLastPos(org.apache.xpath.XPathContext)">getLastPos</A></B>(<A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> xctxt)</CODE>
<BR>
Get the index of the last node that can be itterated to.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#getNextWalker()">getNextWalker</A></B>()</CODE>
<BR>
Get the next walker in the location step chain.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#getPrevWalker()">getPrevWalker</A></B>()</CODE>
<BR>
Get the previous walker reference in the location step chain.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#getRoot()">getRoot</A></B>()</CODE>
<BR>
The root node of the TreeWalker, as specified in setRoot(Node root).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#init(org.apache.xpath.compiler.Compiler, int, int)">init</A></B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html">Compiler</A> compiler,
int opPos,
int stepType)</CODE>
<BR>
Initialize an AxesWalker during the parse of the XPath expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#lastChild()">lastChild</A></B>()</CODE>
<BR>
Moves the <code>TreeWalker</code> to the last visible child of the
current node, and returns the new node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#nextNode()">nextNode</A></B>()</CODE>
<BR>
Moves the <code>TreeWalker</code> to the next visible node in document
order relative to the current node, and returns the new node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#nextSibling()">nextSibling</A></B>()</CODE>
<BR>
Moves the <code>TreeWalker</code> to the next sibling of the current
node, and returns the new node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#parentNode()">parentNode</A></B>()</CODE>
<BR>
Moves to and returns the closest visible ancestor node of the current
node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#previousNode()">previousNode</A></B>()</CODE>
<BR>
Moves the <code>TreeWalker</code> to the previous visible node in
document order relative to the current node, and returns the new node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#previousSibling()">previousSibling</A></B>()</CODE>
<BR>
Moves the <code>TreeWalker</code> to the previous sibling of the
current node, and returns the new node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#setCurrentNode(org.w3c.dom.Node)">setCurrentNode</A></B>(<A HREF="../../../../org/w3c/dom/Node.html">Node</A> currentNode)</CODE>
<BR>
Set the current node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#setNextWalker(org.apache.xpath.axes.AxesWalker)">setNextWalker</A></B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</CODE>
<BR>
Set the next walker in the location step chain.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#setPrevWalker(org.apache.xpath.axes.AxesWalker)">setPrevWalker</A></B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</CODE>
<BR>
Set or clear the previous walker reference in the location step chain.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#setRoot(org.w3c.dom.Node)">setRoot</A></B>(<A HREF="../../../../org/w3c/dom/Node.html">Node</A> root)</CODE>
<BR>
Set the root node of the TreeWalker.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html#toString()">toString</A></B>()</CODE>
<BR>
Diagnostic string for this walker.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.xpath.axes.PredicatedNodeTest"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class org.apache.xpath.axes.<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#acceptNode(org.w3c.dom.Node)">acceptNode</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getLocPathIterator()">getLocPathIterator</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getPredicateCount()">getPredicateCount</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getPredicateIndex()">getPredicateIndex</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getProximityPosition()">getProximityPosition</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getProximityPosition(org.apache.xpath.XPathContext)">getProximityPosition</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#initProximityPosition(int)">initProximityPosition</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#isReverseAxes()">isReverseAxes</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#resetProximityPositions()">resetProximityPositions</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#setLocPathIterator(org.apache.xpath.axes.LocPathIterator)">setLocPathIterator</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#setPredicateCount(int)">setPredicateCount</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.xpath.patterns.NodeTest"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class org.apache.xpath.patterns.<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html">NodeTest</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#debugWhatToShow(int)">debugWhatToShow</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#execute(org.apache.xpath.XPathContext)">execute</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#execute(org.apache.xpath.XPathContext, org.w3c.dom.Node)">execute</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getDefaultScore()">getDefaultScore</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getLocalName()">getLocalName</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getNamespace()">getNamespace</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getWhatToShow()">getWhatToShow</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#initNodeTest(int)">initNodeTest</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#initNodeTest(int, java.lang.String, java.lang.String)">initNodeTest</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.xpath.Expression"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class org.apache.xpath.<A HREF="../../../../org/apache/xpath/Expression.html">Expression</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/xpath/Expression.html#assert(boolean, java.lang.String)">assert</A>,
<A HREF="../../../../org/apache/xpath/Expression.html#error(org.apache.xpath.XPathContext, int, java.lang.Object[])">error</A>,
<A HREF="../../../../org/apache/xpath/Expression.html#setSourceLocator(javax.xml.transform.SourceLocator)">setSourceLocator</A>,
<A HREF="../../../../org/apache/xpath/Expression.html#warn(org.apache.xpath.XPathContext, int, java.lang.Object[])">warn</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>equals,
getClass,
hashCode,
notify,
notifyAll,
wait,
wait,
wait</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="FEATURE_NODETESTFILTER"><!-- --></A><H3>
FEATURE_NODETESTFILTER</H3>
<PRE>
public static final java.lang.String <B>FEATURE_NODETESTFILTER</B></PRE>
<DL>
<DD>String passed to <A HREF="../../../../org/w3c/dom/Node.html#isSupported(java.lang.String, java.lang.String)"><CODE>Node.isSupported(java.lang.String, java.lang.String)</CODE></A> to see if it implements
a <A HREF="../../../../org/apache/xpath/patterns/NodeTestFilter.html"><CODE>NodeTestFilter</CODE></A> interface.</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="AxesWalker(org.apache.xpath.axes.LocPathIterator)"><!-- --></A><H3>
AxesWalker</H3>
<PRE>
public <B>AxesWalker</B>(<A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html">LocPathIterator</A> locPathIterator)</PRE>
<DL>
<DD>Construct an AxesWalker using a LocPathIterator.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>locPathIterator</CODE> - non-null reference to the parent iterator.</DL>
</DD>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="init(org.apache.xpath.compiler.Compiler, int, int)"><!-- --></A><H3>
init</H3>
<PRE>
public void <B>init</B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html">Compiler</A> compiler,
int opPos,
int stepType)
throws <A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A></PRE>
<DL>
<DD>Initialize an AxesWalker during the parse of the XPath expression.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>compiler</CODE> - The Compiler object that has information about this
walker in the op map.<DD><CODE>opPos</CODE> - The op code position of this location step.<DD><CODE>stepType</CODE> - The type of location step.<DT><B>Throws:</B><DD><A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A> - </DL>
</DD>
</DL>
<HR>
<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <B>clone</B>()
throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Get a cloned AxesWalker.<DD><DL>
<DT><B>Returns:</B><DD>A new AxesWalker that can be used without mutating this one.<DT><B>Throws:</B><DD>java.lang.CloneNotSupportedException - <DT><B>Overrides:</B><DD><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#clone()">clone</A> in class <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A></DL>
</DD>
</DL>
<HR>
<A NAME="canTraverseOutsideSubtree()"><!-- --></A><H3>
canTraverseOutsideSubtree</H3>
<PRE>
public boolean <B>canTraverseOutsideSubtree</B>()</PRE>
<DL>
<DD>Tell if this expression or it's subexpressions can traverse outside
the current subtree.<DD><DL>
<DT><B>Returns:</B><DD>true if traversal outside the context node's subtree can occur.<DT><B>Overrides:</B><DD><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#canTraverseOutsideSubtree()">canTraverseOutsideSubtree</A> in class <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A></DL>
</DD>
</DL>
<HR>
<A NAME="getRoot()"><!-- --></A><H3>
getRoot</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>getRoot</B>()</PRE>
<DL>
<DD>The root node of the TreeWalker, as specified in setRoot(Node root).
Note that this may actually be below the current node.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#getRoot()">getRoot</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The context node of the step.</DL>
</DD>
</DL>
<HR>
<A NAME="setRoot(org.w3c.dom.Node)"><!-- --></A><H3>
setRoot</H3>
<PRE>
public void <B>setRoot</B>(<A HREF="../../../../org/w3c/dom/Node.html">Node</A> root)</PRE>
<DL>
<DD>Set the root node of the TreeWalker.
(Not part of the DOM2 TreeWalker interface).<DD><DL>
<DT><B>Parameters:</B><DD><CODE>root</CODE> - The context node of this step.</DL>
</DD>
</DL>
<HR>
<A NAME="getCurrentNode()"><!-- --></A><H3>
getCurrentNode</H3>
<PRE>
public final <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>getCurrentNode</B>()</PRE>
<DL>
<DD>The node at which the TreeWalker is currently positioned.
<br> The value must not be null. Alterations to the DOM tree may cause
the current node to no longer be accepted by the TreeWalker's
associated filter. currentNode may also be explicitly set to any node,
whether or not it is within the subtree specified by the root node or
would be accepted by the filter and whatToShow flags. Further
traversal occurs relative to currentNode even if it is not part of the
current view by applying the filters in the requested direction (not
changing currentNode where no traversal is possible).<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#getCurrentNode()">getCurrentNode</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The node at which the TreeWalker is currently positioned, only null
if setRoot has not yet been called.<DT><B>Throws:</B><DD><A HREF="../../../../org/w3c/dom/DOMException.html">DOMException</A> - NOT_SUPPORTED_ERR: Raised if the specified <code>currentNode</code>
is<code>null</code> .</DL>
</DD>
</DL>
<HR>
<A NAME="setCurrentNode(org.w3c.dom.Node)"><!-- --></A><H3>
setCurrentNode</H3>
<PRE>
public void <B>setCurrentNode</B>(<A HREF="../../../../org/w3c/dom/Node.html">Node</A> currentNode)
throws <A HREF="../../../../org/w3c/dom/DOMException.html">DOMException</A></PRE>
<DL>
<DD>Set the current node.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#setCurrentNode(org.w3c.dom.Node)">setCurrentNode</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Parameters:</B><DD><CODE>currentNode</CODE> - The current itteration node, should not be null.<DT><B>Throws:</B><DD><A HREF="../../../../org/w3c/dom/DOMException.html">DOMException</A> - </DL>
</DD>
</DL>
<HR>
<A NAME="getFilter()"><!-- --></A><H3>
getFilter</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/traversal/NodeFilter.html">NodeFilter</A> <B>getFilter</B>()</PRE>
<DL>
<DD>The filter used to screen nodes.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#getFilter()">getFilter</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>This AxesWalker.</DL>
</DD>
</DL>
<HR>
<A NAME="getExpandEntityReferences()"><!-- --></A><H3>
getExpandEntityReferences</H3>
<PRE>
public boolean <B>getExpandEntityReferences</B>()</PRE>
<DL>
<DD>The value of this flag determines whether the children of entity
reference nodes are visible to the TreeWalker. If false, they will be
skipped over.
<br> To produce a view of the document that has entity references
expanded and does not expose the entity reference node itself, use the
whatToShow flags to hide the entity reference node and set
expandEntityReferences to true when creating the TreeWalker. To
produce a view of the document that has entity reference nodes but no
entity expansion, use the whatToShow flags to show the entity
reference node and set expandEntityReferences to false.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#getExpandEntityReferences()">getExpandEntityReferences</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>true.</DL>
</DD>
</DL>
<HR>
<A NAME="parentNode()"><!-- --></A><H3>
parentNode</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>parentNode</B>()</PRE>
<DL>
<DD>Moves to and returns the closest visible ancestor node of the current
node. If the search for parentNode attempts to step upward from the
TreeWalker's root node, or if it fails to find a visible ancestor
node, this method retains the current position and returns null.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#parentNode()">parentNode</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The new parent node, or null if the current node has no parent
in the TreeWalker's logical view.</DL>
</DD>
</DL>
<HR>
<A NAME="firstChild()"><!-- --></A><H3>
firstChild</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>firstChild</B>()</PRE>
<DL>
<DD>Moves the <code>TreeWalker</code> to the first visible child of the
current node, and returns the new node. If the current node has no
visible children, returns <code>null</code> , and retains the current
node.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#firstChild()">firstChild</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The new node, or <code>null</code> if the current node has no
visible children in the TreeWalker's logical view.</DL>
</DD>
</DL>
<HR>
<A NAME="nextSibling()"><!-- --></A><H3>
nextSibling</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>nextSibling</B>()</PRE>
<DL>
<DD>Moves the <code>TreeWalker</code> to the next sibling of the current
node, and returns the new node. If the current node has no visible
next sibling, returns <code>null</code> , and retains the current node.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#nextSibling()">nextSibling</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The new node, or <code>null</code> if the current node has no
next sibling in the TreeWalker's logical view.</DL>
</DD>
</DL>
<HR>
<A NAME="lastChild()"><!-- --></A><H3>
lastChild</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>lastChild</B>()</PRE>
<DL>
<DD>Moves the <code>TreeWalker</code> to the last visible child of the
current node, and returns the new node. If the current node has no
visible children, returns <code>null</code> , and retains the current
node.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#lastChild()">lastChild</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The new node, or <code>null</code> if the current node has no
children in the TreeWalker's logical view.</DL>
</DD>
</DL>
<HR>
<A NAME="previousSibling()"><!-- --></A><H3>
previousSibling</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>previousSibling</B>()</PRE>
<DL>
<DD>Moves the <code>TreeWalker</code> to the previous sibling of the
current node, and returns the new node. If the current node has no
visible previous sibling, returns <code>null</code> , and retains the
current node.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#previousSibling()">previousSibling</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The new node, or <code>null</code> if the current node has no
previous sibling in the TreeWalker's logical view.</DL>
</DD>
</DL>
<HR>
<A NAME="previousNode()"><!-- --></A><H3>
previousNode</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>previousNode</B>()</PRE>
<DL>
<DD>Moves the <code>TreeWalker</code> to the previous visible node in
document order relative to the current node, and returns the new node.
If the current node has no previous node, or if the search for
previousNode attempts to step upward from the TreeWalker's root node,
returns <code>null</code> , and retains the current node.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#previousNode()">previousNode</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The new node, or <code>null</code> if the current node has no
previous node in the TreeWalker's logical view.</DL>
</DD>
</DL>
<HR>
<A NAME="setNextWalker(org.apache.xpath.axes.AxesWalker)"><!-- --></A><H3>
setNextWalker</H3>
<PRE>
public void <B>setNextWalker</B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</PRE>
<DL>
<DD>Set the next walker in the location step chain.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>walker</CODE> - Reference to AxesWalker derivative, or may be null.</DL>
</DD>
</DL>
<HR>
<A NAME="getNextWalker()"><!-- --></A><H3>
getNextWalker</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> <B>getNextWalker</B>()</PRE>
<DL>
<DD>Get the next walker in the location step chain.<DD><DL>
<DT><B>Returns:</B><DD>Reference to AxesWalker derivative, or null.</DL>
</DD>
</DL>
<HR>
<A NAME="setPrevWalker(org.apache.xpath.axes.AxesWalker)"><!-- --></A><H3>
setPrevWalker</H3>
<PRE>
public void <B>setPrevWalker</B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</PRE>
<DL>
<DD>Set or clear the previous walker reference in the location step chain.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>walker</CODE> - Reference to previous walker reference in the location
step chain, or null.</DL>
</DD>
</DL>
<HR>
<A NAME="getPrevWalker()"><!-- --></A><H3>
getPrevWalker</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> <B>getPrevWalker</B>()</PRE>
<DL>
<DD>Get the previous walker reference in the location step chain.<DD><DL>
<DT><B>Returns:</B><DD>Reference to previous walker reference in the location
step chain, or null.</DL>
</DD>
</DL>
<HR>
<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Diagnostic string for this walker.<DD><DL>
<DT><B>Returns:</B><DD>Diagnostic string for this walker.<DT><B>Overrides:</B><DD>toString in class java.lang.Object</DL>
</DD>
</DL>
<HR>
<A NAME="nextNode()"><!-- --></A><H3>
nextNode</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>nextNode</B>()</PRE>
<DL>
<DD>Moves the <code>TreeWalker</code> to the next visible node in document
order relative to the current node, and returns the new node. If the
current node has no next node, or if the search for nextNode attempts
to step upward from the TreeWalker's root node, returns
<code>null</code> , and retains the current node.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html#nextNode()">nextNode</A> in interface <A HREF="../../../../org/w3c/dom/traversal/TreeWalker.html">TreeWalker</A><DT><B>Returns:</B><DD>The new node, or <code>null</code> if the current node has no
next node in the TreeWalker's logical view.</DL>
</DD>
</DL>
<HR>
<A NAME="getLastPos(org.apache.xpath.XPathContext)"><!-- --></A><H3>
getLastPos</H3>
<PRE>
public int <B>getLastPos</B>(<A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> xctxt)</PRE>
<DL>
<DD>Get the index of the last node that can be itterated to.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>xctxt</CODE> - XPath runtime context.<DT><B>Returns:</B><DD>the index of the last node that can be itterated to.<DT><B>Overrides:</B><DD><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getLastPos(org.apache.xpath.XPathContext)">getLastPos</A> in class <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A></DL>
</DD>
</DL>
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