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com.saxonica.expr
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<H2>
Package com.saxonica.expr
</H2>
This package contains classes used to support expressions and
instructions that are new in XPath 3.0, XQuery 3.0, or XSLT 3.0, and that don't fit
conveniently into a more specialized category (such as streaming).
<P>
<B>See:</B>
<BR>
<A HREF="#package_description"><B>Description</B></A>
<P>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Class Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/Assign.html" title="class in com.saxonica.expr">Assign</A></B></TD>
<TD>saxon:assign element in stylesheet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/BreakInstr.html" title="class in com.saxonica.expr">BreakInstr</A></B></TD>
<TD>A compiled xsl:break instruction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/CastableToList.html" title="class in com.saxonica.expr">CastableToList</A></B></TD>
<TD>Expression class for a cast to a List type</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/CastableToUnion.html" title="class in com.saxonica.expr">CastableToUnion</A></B></TD>
<TD>Expression class for a cast to a union type</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/CastToList.html" title="class in com.saxonica.expr">CastToList</A></B></TD>
<TD>Expression class for a cast to a List type</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/CastToUnion.html" title="class in com.saxonica.expr">CastToUnion</A></B></TD>
<TD>Expression class for a cast to a union type</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/ContextCall.html" title="class in com.saxonica.expr">ContextCall</A></B></TD>
<TD>The class ContextCall is an expression which, when evaluated, calls
a given FunctionItem supplying the context item as the only argument.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/DeepCopyRuleSet.html" title="class in com.saxonica.expr">DeepCopyRuleSet</A></B></TD>
<TD>The built-in rule set introduced in XSLT 3.0, which performs a deep copy of any unmatched node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/DeepSkipRuleSet.html" title="class in com.saxonica.expr">DeepSkipRuleSet</A></B></TD>
<TD>The rule set introduced in XSLT 3.0, which (for any kind of node) simply ignores the node
and its descendants.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/EquivalenceComparer.html" title="class in com.saxonica.expr">EquivalenceComparer</A></B></TD>
<TD>A comparer that compares atomic values for equality, with the properties:
- non-comparable types compare false
- NaN compares equal to NaN</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/EquivalenceComparison.html" title="class in com.saxonica.expr">EquivalenceComparison</A></B></TD>
<TD>Class to handle equivalence comparisons of singletons.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/EvaluateInstr.html" title="class in com.saxonica.expr">EvaluateInstr</A></B></TD>
<TD>An EvaluateInstr is the compiled form of an xsl:evaluate instruction</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/FailRuleSet.html" title="class in com.saxonica.expr">FailRuleSet</A></B></TD>
<TD>The built-in rule set introduced in XSLT 3.0, which raises an error when there is no user-supplied
template rule that matches a node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/Fork.html" title="class in com.saxonica.expr">Fork</A></B></TD>
<TD>This class implements an xsl:fork expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/IndexedFilterExpression.html" title="class in com.saxonica.expr">IndexedFilterExpression</A></B></TD>
<TD>An IndexedFilterExpression contains a base expression and a filter predicate.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/IndexedLookupExpression.html" title="class in com.saxonica.expr">IndexedLookupExpression</A></B></TD>
<TD>An IndexedLookupExpression contains a base expression and a lookup expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/IndexedSequence.html" title="class in com.saxonica.expr">IndexedSequence</A></B></TD>
<TD>IndexedSequence is a simple package of information returned by saxon:index(), and used by saxon:find().</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/IndexedValue.html" title="class in com.saxonica.expr">IndexedValue<T extends Item></A></B></TD>
<TD>A representation of a (sequence) value that allows the construction of one or more indexes to provide rapid
access to the items in the sequence.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/IterateInstr.html" title="class in com.saxonica.expr">IterateInstr</A></B></TD>
<TD>An IterateInstr is the compiled form of a saxon:iterate instruction</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/JavaExtensionFunctionCall.html" title="class in com.saxonica.expr">JavaExtensionFunctionCall</A></B></TD>
<TD>This class acts as a container for an extension function defined to call a method
in a user-defined class.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/JavaExtensionFunctionCall.ConfigurationCheckingFunction.html" title="class in com.saxonica.expr">JavaExtensionFunctionCall.ConfigurationCheckingFunction</A></B></TD>
<TD>This class checks that NodeInfo objects returned by an extension function were created
under the right Configuration</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/MemoFunction.html" title="class in com.saxonica.expr">MemoFunction</A></B></TD>
<TD>A user-defined function that is declared as a memo function, meaning that it remembers results
of previous calls.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/MultiIndex.html" title="class in com.saxonica.expr">MultiIndex</A></B></TD>
<TD>A MultiIndex provides fast access to the items in a sequence.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/NextIteration.html" title="class in com.saxonica.expr">NextIteration</A></B></TD>
<TD>Implements a xsl:next-iteration instruction within the body of xsl:iterate</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/OuterForExpression.html" title="class in com.saxonica.expr">OuterForExpression</A></B></TD>
<TD>Expression class that implements the "outer for" clause of XQuery 1.1</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/PathFinder.html" title="class in com.saxonica.expr">PathFinder</A></B></TD>
<TD>This class enables a client to find all nodes in a document that match a particular pattern.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/Query30Parser.html" title="class in com.saxonica.expr">Query30Parser</A></B></TD>
<TD>Parser extension for new syntax in XQuery 3.0 (was 1.1).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/QueryLibraryImpl.html" title="class in com.saxonica.expr">QueryLibraryImpl</A></B></TD>
<TD>Concrete implementation of a separately-compiled XQuery library</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/RuleSetWithWarnings.html" title="class in com.saxonica.expr">RuleSetWithWarnings</A></B></TD>
<TD>A set of built-in template rules that performs the same action as an underlying set of rules,
but with the addition of a warning message saying that no user-defined template rules was found.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/ShallowCopyRuleSet.html" title="class in com.saxonica.expr">ShallowCopyRuleSet</A></B></TD>
<TD>The built-in rule set introduced in XSLT 3.0, which is effectively an identity template.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/StaticQueryContextPE.html" title="class in com.saxonica.expr">StaticQueryContextPE</A></B></TD>
<TD>A version of StaticQueryContext for Saxon-PE, that extends the capability by allowing compilation of
XQuery 1.1 syntax</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/SwitchExpression.html" title="class in com.saxonica.expr">SwitchExpression</A></B></TD>
<TD>An optimized Choose expression in which all the branches are tests of the same expression for equality
with some value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/TryCatch.html" title="class in com.saxonica.expr">TryCatch</A></B></TD>
<TD>This class implements a try/catch expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/TryCatch.CatchClause.html" title="class in com.saxonica.expr">TryCatch.CatchClause</A></B></TD>
<TD> </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/While.html" title="class in com.saxonica.expr">While</A></B></TD>
<TD>Handler for saxon:while elements in stylesheet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/XPath30Parser.html" title="class in com.saxonica.expr">XPath30Parser</A></B></TD>
<TD>Parser extension for new syntax in XPath 3.0.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/XPath30Parser.InlineFunctionDetails.html" title="class in com.saxonica.expr">XPath30Parser.InlineFunctionDetails</A></B></TD>
<TD> </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../com/saxonica/expr/XPath30Parser.TemporaryXSLTVariableBinding.html" title="class in com.saxonica.expr">XPath30Parser.TemporaryXSLTVariableBinding</A></B></TD>
<TD> </TD>
</TR>
</TABLE>
<P>
<A NAME="package_description"><!-- --></A><H2>
Package com.saxonica.expr Description
</H2>
<P>
<p>This package contains classes used to support expressions and
instructions that are new in XPath 3.0, XQuery 3.0, or XSLT 3.0, and that don't fit
conveniently into a more specialized category (such as streaming). Most of these
classes represent internally-generated expressions or functions on the expression tree;
the package also includes the XPath 3.0 and XQuery 3.0 parser extensions, and the Saxon-EE
optimizer.</p>
<p>None of these classes will be used by typical user applications.</p>
<p>The subpackage <A HREF="../../../com/saxonica/expr/ee/package-summary.html"><CODE>com.saxonica.expr.ee</CODE></A> contains classes that belong to the same
general category, but are specific to Saxon-EE as distinct from Saxon-PE.</p>
<p align="center"><i>Michael H. Kay<br/>
Saxonica Limited<br/>
30 July 2010</i></p>
<P>
<P>
<DL>
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