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VirtualTreeWalker
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SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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com.saxonica.pull</FONT>
<BR>
Class VirtualTreeWalker</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.saxonica.pull.VirtualTreeWalker</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>VirtualTreeWalker</B><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></DL>
</PRE>
<P>
A virtual tree walker provides a sequence of pull events describing the structure and content of a tree
that is conceptually being constructed by expressions in a query or stylesheet; in fact the tree is
not necessarily constructed in memory, and exists only as this stream of pull events.
<p>
The tree is physically constructed if operations are requested that depend on the identity of the nodes
in the tree, or that navigate within the tree. Operations such as copying or atomizing the tree can be done
directly, without building it in memory. (Note however that if such operations are done more than once, the
underlying instructions may be evaluated repeatedly.)
<P>
<P>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<A NAME="fields_inherited_from_class_net.sf.saxon.pull.PullProvider"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from interface net.sf.saxon.pull.<A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#ATOMIC_VALUE">ATOMIC_VALUE</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#ATTRIBUTE">ATTRIBUTE</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#COMMENT">COMMENT</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_DOCUMENT">END_DOCUMENT</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_ELEMENT">END_ELEMENT</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_OF_INPUT">END_OF_INPUT</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#NAMESPACE">NAMESPACE</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#PROCESSING_INSTRUCTION">PROCESSING_INSTRUCTION</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#START_DOCUMENT">START_DOCUMENT</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#START_ELEMENT">START_ELEMENT</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#START_OF_INPUT">START_OF_INPUT</A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#TEXT">TEXT</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#VirtualTreeWalker(net.sf.saxon.expr.instruct.ParentNodeConstructor, net.sf.saxon.expr.XPathContext)">VirtualTreeWalker</A></B>(<A HREF="../../../net/sf/saxon/expr/instruct/ParentNodeConstructor.html" title="class in net.sf.saxon.expr.instruct">ParentNodeConstructor</A> instruction,
<A HREF="../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)</CODE>
<BR>
Create a VirtualTreeWalker to navigate the tree constructed by evaluating a given instruction
in a given dyamic context</TD>
</TR>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#close()">close</A></B>()</CODE>
<BR>
Close the event reader.</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="../../../com/saxonica/pull/VirtualTreeWalker.html#current()">current</A></B>()</CODE>
<BR>
Get the event most recently returned by next(), or by other calls that change
the position, for example getStringValue() and skipToMatchingEnd().</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../net/sf/saxon/value/AtomicValue.html" title="class in net.sf.saxon.value">AtomicValue</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getAtomicValue()">getAtomicValue</A></B>()</CODE>
<BR>
Get an atomic value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../net/sf/saxon/om/AttributeCollection.html" title="interface in net.sf.saxon.om">AttributeCollection</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getAttributes()">getAttributes</A></B>()</CODE>
<BR>
Get the attributes associated with the current element.</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="../../../com/saxonica/pull/VirtualTreeWalker.html#getFingerprint()">getFingerprint</A></B>()</CODE>
<BR>
Get the fingerprint of the name of the element.</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="../../../com/saxonica/pull/VirtualTreeWalker.html#getNameCode()">getNameCode</A></B>()</CODE>
<BR>
Get the nameCode identifying the name of the current node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../net/sf/saxon/om/NamePool.html" title="class in net.sf.saxon.om">NamePool</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getNamePool()">getNamePool</A></B>()</CODE>
<BR>
Get the namepool</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../net/sf/saxon/om/NamespaceBinding.html" title="class in net.sf.saxon.om">NamespaceBinding</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getNamespaceBinding(int)">getNamespaceBinding</A></B>(int index)</CODE>
<BR>
Get the n'th declaration in the list in the form of a namespace code.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../net/sf/saxon/om/NamespaceBinding.html" title="class in net.sf.saxon.om">NamespaceBinding</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getNamespaceDeclarations()">getNamespaceDeclarations</A></B>()</CODE>
<BR>
Get the namespace declarations associated with the current element.</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="../../../com/saxonica/pull/VirtualTreeWalker.html#getNumberOfNamespaces()">getNumberOfNamespaces</A></B>()</CODE>
<BR>
Get the number of declarations (and undeclarations) in this list.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../net/sf/saxon/event/PipelineConfiguration.html" title="class in net.sf.saxon.event">PipelineConfiguration</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getPipelineConfiguration()">getPipelineConfiguration</A></B>()</CODE>
<BR>
Get configuration information.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getPrefix(int)">getPrefix</A></B>(int index)</CODE>
<BR>
Get the prefix of the n'th declaration (or undeclaration) in the list,
counting from zero.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../net/sf/saxon/type/SchemaType.html" title="interface in net.sf.saxon.type">SchemaType</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getSchemaType()">getSchemaType</A></B>()</CODE>
<BR>
Get the type annotation of the current attribute or element node, or atomic value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/javax/xml/transform/SourceLocator.html?is-external=true" title="class or interface in javax.xml.transform">SourceLocator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getSourceLocator()">getSourceLocator</A></B>()</CODE>
<BR>
Get the location of the current event.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getStringValue()">getStringValue</A></B>()</CODE>
<BR>
Get the string value of the current element, text node, processing-instruction,
or top-level attribute or namespace node, or atomic value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getUnparsedEntities()">getUnparsedEntities</A></B>()</CODE>
<BR>
Get a list of unparsed entities.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/saxonica/pull/VirtualTreeWalker.html#getURI(int)">getURI</A></B>(int index)</CODE>
<BR>
Get the namespace URI of the n'th declaration (or undeclaration) in the list,
counting from zero.</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="../../../com/saxonica/pull/VirtualTreeWalker.html#next()">next</A></B>()</CODE>
<BR>
Get the next event</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="../../../com/saxonica/pull/VirtualTreeWalker.html#setElementName(net.sf.saxon.om.FingerprintedQName)">setElementName</A></B>(<A HREF="../../../net/sf/saxon/om/FingerprintedQName.html" title="class in net.sf.saxon.om">FingerprintedQName</A> elementName)</CODE>
<BR>
</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="../../../com/saxonica/pull/VirtualTreeWalker.html#setNameCode(int)">setNameCode</A></B>(int nameCode)</CODE>
<BR>
Set the initial nameCode</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="../../../com/saxonica/pull/VirtualTreeWalker.html#setPipelineConfiguration(net.sf.saxon.event.PipelineConfiguration)">setPipelineConfiguration</A></B>(<A HREF="../../../net/sf/saxon/event/PipelineConfiguration.html" title="class in net.sf.saxon.event">PipelineConfiguration</A> pipe)</CODE>
<BR>
Set configuration information.</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="../../../com/saxonica/pull/VirtualTreeWalker.html#skipToMatchingEnd()">skipToMatchingEnd</A></B>()</CODE>
<BR>
Skip the current subtree.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
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<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="VirtualTreeWalker(net.sf.saxon.expr.instruct.ParentNodeConstructor, net.sf.saxon.expr.XPathContext)"><!-- --></A><H3>
VirtualTreeWalker</H3>
<PRE>
public <B>VirtualTreeWalker</B>(<A HREF="../../../net/sf/saxon/expr/instruct/ParentNodeConstructor.html" title="class in net.sf.saxon.expr.instruct">ParentNodeConstructor</A> instruction,
<A HREF="../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)</PRE>
<DL>
<DD>Create a VirtualTreeWalker to navigate the tree constructed by evaluating a given instruction
in a given dyamic context
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>instruction</CODE> - the instruction (this will always be an instruction that creates element or
document nodes)<DD><CODE>context</CODE> - the dynamic evaluation context</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="setPipelineConfiguration(net.sf.saxon.event.PipelineConfiguration)"><!-- --></A><H3>
setPipelineConfiguration</H3>
<PRE>
public void <B>setPipelineConfiguration</B>(<A HREF="../../../net/sf/saxon/event/PipelineConfiguration.html" title="class in net.sf.saxon.event">PipelineConfiguration</A> pipe)</PRE>
<DL>
<DD>Set configuration information. This must only be called before any events
have been read.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#setPipelineConfiguration(net.sf.saxon.event.PipelineConfiguration)">setPipelineConfiguration</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pipe</CODE> - the pipeline configuration</DL>
</DD>
</DL>
<HR>
<A NAME="getPipelineConfiguration()"><!-- --></A><H3>
getPipelineConfiguration</H3>
<PRE>
public <A HREF="../../../net/sf/saxon/event/PipelineConfiguration.html" title="class in net.sf.saxon.event">PipelineConfiguration</A> <B>getPipelineConfiguration</B>()</PRE>
<DL>
<DD>Get configuration information.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getPipelineConfiguration()">getPipelineConfiguration</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the pipeline configuration</DL>
</DD>
</DL>
<HR>
<A NAME="getNamePool()"><!-- --></A><H3>
getNamePool</H3>
<PRE>
public <A HREF="../../../net/sf/saxon/om/NamePool.html" title="class in net.sf.saxon.om">NamePool</A> <B>getNamePool</B>()</PRE>
<DL>
<DD>Get the namepool
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the NamePool</DL>
</DD>
</DL>
<HR>
<A NAME="next()"><!-- --></A><H3>
next</H3>
<PRE>
public int <B>next</B>()
throws <A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Get the next event
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#next()">next</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an integer code indicating the type of event. The code
<A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_OF_INPUT"><CODE>PullProvider.END_OF_INPUT</CODE></A> is returned at the end of the sequence.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE> - if a dynamic error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="current()"><!-- --></A><H3>
current</H3>
<PRE>
public int <B>current</B>()</PRE>
<DL>
<DD>Get the event most recently returned by next(), or by other calls that change
the position, for example getStringValue() and skipToMatchingEnd(). This
method does not change the position of the PullProvider.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#current()">current</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the current event</DL>
</DD>
</DL>
<HR>
<A NAME="getAttributes()"><!-- --></A><H3>
getAttributes</H3>
<PRE>
public <A HREF="../../../net/sf/saxon/om/AttributeCollection.html" title="interface in net.sf.saxon.om">AttributeCollection</A> <B>getAttributes</B>()
throws <A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Get the attributes associated with the current element. This method must
be called only after a START_ELEMENT event has been notified. The contents
of the returned AttributeCollection are guaranteed to remain unchanged
until the next START_ELEMENT event, but may be modified thereafter. The object
should not be modified by the client.
<p/>
<p>Attributes may be read before or after reading the namespaces of an element,
but must not be read after the first child node has been read, or after calling
one of the methods skipToEnd(), getStringValue(), or getTypedValue().</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getAttributes()">getAttributes</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an AttributeCollection representing the attributes of the element
that has just been notified.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE> - if a dynamic error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="getNamespaceDeclarations()"><!-- --></A><H3>
getNamespaceDeclarations</H3>
<PRE>
public <A HREF="../../../net/sf/saxon/om/NamespaceBinding.html" title="class in net.sf.saxon.om">NamespaceBinding</A>[] <B>getNamespaceDeclarations</B>()
throws <A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Get the namespace declarations associated with the current element. This method must
be called only after a START_ELEMENT event has been notified. In the case of a top-level
START_ELEMENT event (that is, an element that either has no parent node, or whose parent
is not included in the sequence being read), the NamespaceDeclarations object returned
will contain a namespace declaration for each namespace that is in-scope for this element
node. In the case of a non-top-level element, the NamespaceDeclarations will contain
a set of namespace declarations and undeclarations, representing the differences between
this element and its parent.
<p/>
<p>It is permissible for this method to return namespace declarations that are redundant.</p>
<p/>
<p>Namespaces may be read before or after reading the attributes of an element,
but must not be read after the first child node has been read, or after calling
one of the methods skipToEnd(), getStringValue(), or getTypedValue().</p>*
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getNamespaceDeclarations()">getNamespaceDeclarations</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the namespace declarations associated with the current START_ELEMENT event.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE> - if a dynamic error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="skipToMatchingEnd()"><!-- --></A><H3>
skipToMatchingEnd</H3>
<PRE>
public int <B>skipToMatchingEnd</B>()
throws <A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Skip the current subtree. This method may be called only immediately after
a START_DOCUMENT or START_ELEMENT event. This call returns the matching
END_DOCUMENT or END_ELEMENT event; the next call on next() will return
the event following the END_DOCUMENT or END_ELEMENT.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#skipToMatchingEnd()">skipToMatchingEnd</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the matching END_DOCUMENT or END_ELEMENT event
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the method is called at any time other than
immediately after a START_DOCUMENT or START_ELEMENT event.
<DD><CODE><A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE> - if a dynamic error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()</PRE>
<DL>
<DD>Close the event reader. This indicates that no further events are required.
It is not necessary to close an event reader after <A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_OF_INPUT"><CODE>PullProvider.END_OF_INPUT</CODE></A> has
been reported, but it is recommended to close it if reading terminates
prematurely. Once an event reader has been closed, the effect of further
calls on next() is undefined.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#close()">close</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setNameCode(int)"><!-- --></A><H3>
setNameCode</H3>
<PRE>
public void <B>setNameCode</B>(int nameCode)</PRE>
<DL>
<DD>Set the initial nameCode
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>nameCode</CODE> - the nameCode of the node at the root of the tree being walked</DL>
</DD>
</DL>
<HR>
<A NAME="setElementName(net.sf.saxon.om.FingerprintedQName)"><!-- --></A><H3>
setElementName</H3>
<PRE>
public void <B>setElementName</B>(<A HREF="../../../net/sf/saxon/om/FingerprintedQName.html" title="class in net.sf.saxon.om">FingerprintedQName</A> elementName)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getNameCode()"><!-- --></A><H3>
getNameCode</H3>
<PRE>
public int <B>getNameCode</B>()</PRE>
<DL>
<DD>Get the nameCode identifying the name of the current node. This method
can be used after the <A HREF="../../../net/sf/saxon/pull/PullProvider.html#START_ELEMENT"><CODE>PullProvider.START_ELEMENT</CODE></A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_ELEMENT"><CODE>PullProvider.END_ELEMENT</CODE></A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#PROCESSING_INSTRUCTION"><CODE>PullProvider.PROCESSING_INSTRUCTION</CODE></A>,
<A HREF="../../../net/sf/saxon/pull/PullProvider.html#ATTRIBUTE"><CODE>PullProvider.ATTRIBUTE</CODE></A>, or <A HREF="../../../net/sf/saxon/pull/PullProvider.html#NAMESPACE"><CODE>PullProvider.NAMESPACE</CODE></A> events. With some PullProvider implementations,
<b>but not this one</b>, it can also be used after <A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_ELEMENT"><CODE>PullProvider.END_ELEMENT</CODE></A>.
If called at other times, the result is undefined and may result in an IllegalStateException.
If called when the current node is an unnamed namespace node (a node representing the default namespace)
the returned value is -1.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getNameCode()">getNameCode</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the nameCode. The nameCode can be used to obtain the prefix, local name,
and namespace URI from the name pool.</DL>
</DD>
</DL>
<HR>
<A NAME="getFingerprint()"><!-- --></A><H3>
getFingerprint</H3>
<PRE>
public int <B>getFingerprint</B>()</PRE>
<DL>
<DD>Get the fingerprint of the name of the element. This is similar to the nameCode, except that
it does not contain any information about the prefix: so two elements with the same fingerprint
have the same name, excluding prefix. This method
can be used after the <A HREF="../../../net/sf/saxon/pull/PullProvider.html#START_ELEMENT"><CODE>PullProvider.START_ELEMENT</CODE></A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_ELEMENT"><CODE>PullProvider.END_ELEMENT</CODE></A>, <A HREF="../../../net/sf/saxon/pull/PullProvider.html#PROCESSING_INSTRUCTION"><CODE>PullProvider.PROCESSING_INSTRUCTION</CODE></A>,
<A HREF="../../../net/sf/saxon/pull/PullProvider.html#ATTRIBUTE"><CODE>PullProvider.ATTRIBUTE</CODE></A>, or <A HREF="../../../net/sf/saxon/pull/PullProvider.html#NAMESPACE"><CODE>PullProvider.NAMESPACE</CODE></A> events.
If called at other times, the result is undefined and may result in an IllegalStateException.
If called when the current node is an unnamed namespace node (a node representing the default namespace)
the returned value is -1.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getFingerprint()">getFingerprint</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the fingerprint. The fingerprint can be used to obtain the local name
and namespace URI from the name pool.</DL>
</DD>
</DL>
<HR>
<A NAME="getStringValue()"><!-- --></A><H3>
getStringValue</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> <B>getStringValue</B>()
throws <A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Get the string value of the current element, text node, processing-instruction,
or top-level attribute or namespace node, or atomic value.
<p/>
<p>In other situations the result is undefined and may result in an IllegalStateException.</p>
<p/>
<p>If the most recent event was a <A HREF="../../../net/sf/saxon/pull/PullProvider.html#START_ELEMENT"><CODE>PullProvider.START_ELEMENT</CODE></A>, this method causes the content
of the element to be read. The current event on completion of this method will be the
corresponding <A HREF="../../../net/sf/saxon/pull/PullProvider.html#END_ELEMENT"><CODE>PullProvider.END_ELEMENT</CODE></A>. The next call of next() will return the event following
the END_ELEMENT event.</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getStringValue()">getStringValue</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the String Value of the node in question, defined according to the rules in the
XPath data model.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE> - if a dynamic error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="getAtomicValue()"><!-- --></A><H3>
getAtomicValue</H3>
<PRE>
public <A HREF="../../../net/sf/saxon/value/AtomicValue.html" title="class in net.sf.saxon.value">AtomicValue</A> <B>getAtomicValue</B>()</PRE>
<DL>
<DD>Get an atomic value. This call may be used only when the last event reported was
ATOMIC_VALUE. This indicates that the PullProvider is reading a sequence that contains
a free-standing atomic value; it is never used when reading the content of a node.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getAtomicValue()">getAtomicValue</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the atomic value</DL>
</DD>
</DL>
<HR>
<A NAME="getSchemaType()"><!-- --></A><H3>
getSchemaType</H3>
<PRE>
public <A HREF="../../../net/sf/saxon/type/SchemaType.html" title="interface in net.sf.saxon.type">SchemaType</A> <B>getSchemaType</B>()</PRE>
<DL>
<DD>Get the type annotation of the current attribute or element node, or atomic value.
The result of this method is undefined unless the most recent event was START_ELEMENT,
ATTRIBUTE, or ATOMIC_VALUE.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getSchemaType()">getSchemaType</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the type annotation.</DL>
</DD>
</DL>
<HR>
<A NAME="getSourceLocator()"><!-- --></A><H3>
getSourceLocator</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/6/docs/api/javax/xml/transform/SourceLocator.html?is-external=true" title="class or interface in javax.xml.transform">SourceLocator</A> <B>getSourceLocator</B>()</PRE>
<DL>
<DD>Get the location of the current event.
For an event stream representing a real document, the location information
should identify the location in the lexical XML source. For a constructed document, it should
identify the location in the query or stylesheet that caused the node to be created.
A value of null can be returned if no location information is available.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getSourceLocator()">getSourceLocator</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the SourceLocator giving the location of the current event, or null if
no location information is available</DL>
</DD>
</DL>
<HR>
<A NAME="getNumberOfNamespaces()"><!-- --></A><H3>
getNumberOfNamespaces</H3>
<PRE>
public int <B>getNumberOfNamespaces</B>()</PRE>
<DL>
<DD>Get the number of declarations (and undeclarations) in this list.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getPrefix(int)"><!-- --></A><H3>
getPrefix</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getPrefix</B>(int index)</PRE>
<DL>
<DD>Get the prefix of the n'th declaration (or undeclaration) in the list,
counting from zero.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index identifying which declaration is required.
<DT><B>Returns:</B><DD>the namespace prefix. For a declaration or undeclaration of the
default namespace, this is the zero-length string.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the index is out of range.</DL>
</DD>
</DL>
<HR>
<A NAME="getURI(int)"><!-- --></A><H3>
getURI</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getURI</B>(int index)</PRE>
<DL>
<DD>Get the namespace URI of the n'th declaration (or undeclaration) in the list,
counting from zero.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index identifying which declaration is required.
<DT><B>Returns:</B><DD>the namespace URI. For a namespace undeclaration, this is the
zero-length string.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the index is out of range.</DL>
</DD>
</DL>
<HR>
<A NAME="getNamespaceBinding(int)"><!-- --></A><H3>
getNamespaceBinding</H3>
<PRE>
public <A HREF="../../../net/sf/saxon/om/NamespaceBinding.html" title="class in net.sf.saxon.om">NamespaceBinding</A> <B>getNamespaceBinding</B>(int index)</PRE>
<DL>
<DD>Get the n'th declaration in the list in the form of a namespace code. Namespace
codes can be translated into a prefix and URI by means of methods in the
NamePool
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index identifying which declaration is required.
<DT><B>Returns:</B><DD>the namespace code. This is an integer whose upper half indicates
the prefix (0 represents the default namespace), and whose lower half indicates
the URI (0 represents an undeclaration).
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the index is out of range.</DL>
</DD>
</DL>
<HR>
<A NAME="getUnparsedEntities()"><!-- --></A><H3>
getUnparsedEntities</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A> <B>getUnparsedEntities</B>()</PRE>
<DL>
<DD>Get a list of unparsed entities.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html#getUnparsedEntities()">getUnparsedEntities</A></CODE> in interface <CODE><A HREF="../../../net/sf/saxon/pull/PullProvider.html" title="interface in net.sf.saxon.pull">PullProvider</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a list of unparsed entities, or null if the information is not available, or
an empty list if there are no unparsed entities.</DL>
</DD>
</DL>
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