Zorba - NoSQL Query Processing

Content of xslt module

xquery version "1.0";

(:
 : Copyright 2006-2009 The FLWOR Foundation.
 :
 : Licensed under the Apache License, Version 2.0 (the "License");
 : you may not use this file except in compliance with the License.
 : You may obtain a copy of the License at
 :
 : http://www.apache.org/licenses/LICENSE-2.0
 :
 : Unless required by applicable law or agreed to in writing, software
 : distributed under the License is distributed on an "AS IS" BASIS,
 : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 : See the License for the specific language governing permissions and
 : limitations under the License.
:)

(:~
 : This module provides XSLT 1.0 transformation functionality.  
 :
 : &lt;p&gt;For details on XSLT see 
 : &lt;a href="http://www.w3.org/TR/xslt"&gt;XSLT 1.0 specification&lt;/a&gt;.&lt;/p&gt;  
 :
 : &lt;p&gt;This module implements the invoking of an XSLT transformation from XQuery
 : described in &lt;a href="http://lists.w3.org/Archives/Member/w3c-xsl-wg/2008Apr/0052.html"&gt;
 :    Michael Kay's proposal&lt;/a&gt;.&lt;/p&gt;
 : 
 :
 : &lt;p&gt;Example:
 : &lt;pre class="ace-static" ace-mode="xquery"&gt;&lt;![CDATA[import module namespace
 :        xslt = "http://www.zorba-xquery.com/modules/languages/xslt";
 : 
 : let $source := 
 :     &lt;catalog&gt;
 :         &lt;cd&gt;
 :           &lt;title&gt;Empire Burlesque&lt;/title&gt;
 :           &lt;artist&gt;Bob Dylan&lt;/artist&gt;
 :           &lt;country&gt;USA&lt;/country&gt;
 :           &lt;company&gt;Columbia&lt;/company&gt;
 :           &lt;price&gt;10.90&lt;/price&gt;
 :           &lt;year&gt;1985&lt;/year&gt;
 :         &lt;/cd&gt;
 :         &lt;cd&gt;
 :           &lt;title&gt;Hide your heart&lt;/title&gt;
 :           &lt;artist&gt;Bonnie Tyler&lt;/artist&gt;
 :           &lt;country&gt;UK&lt;/country&gt;
 :           &lt;company&gt;CBS Records&lt;/company&gt;
 :           &lt;price&gt;9.90&lt;/price&gt;
 :           &lt;year&gt;1988&lt;/year&gt;
 :         &lt;/cd&gt;
 :     &lt;/catalog&gt;
 : 
 : let $stylesheet := 
 :   &lt;xsl:stylesheet version="1.0" 
 :       xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt;
 : 
 :     &lt;xsl:template match="/"&gt;
 :       &lt;html&gt;
 :       &lt;body&gt;
 :       &lt;h2&gt;Music Collection&amp;lt;/h2&gt;
 :         &lt;table border="1"&gt;
 :           &lt;tr bgcolor="lightblue"&gt;
 :             &lt;th&gt;Title&amp;lt;/th&gt;
 :             &lt;th&gt;Artist&amp;lt;/th&gt;
 :           &lt;/tr&gt;
 :           &lt;xsl:for-each select="catalog/cd"&gt;
 :            &lt;tr&gt;
 :              &lt;td&gt;&amp;lt;xsl:value-of select="title"/&gt;&lt;/td&gt;
 :              &lt;td&gt;&amp;lt;xsl:value-of select="artist"/&gt;&lt;/td&gt;
 :           &lt;/tr&gt;
 :           &lt;/xsl:for-each&gt;
 :         &lt;/table&gt;
 :       &lt;/body&gt;
 :       &lt;/html&gt;
 :     &lt;/xsl:template&gt;
 :   &lt;/xsl:stylesheet&gt;
 : 
 : return
 :   xslt:transform( $source, $stylesheet)]]&gt;&lt;/pre&gt;&lt;/p&gt;
 :
 : @author Cezar Andrei
 : @library &lt;a href="http://xmlsoft.org/XSLT/"&gt;libxslt Library&lt;/a&gt;
 : @project Zorba/Programming Languages/XSLT
 :
 :)
module namespace xslt = "http://www.zorba-xquery.com/modules/languages/xslt";

declare namespace ver = "http://zorba.io/options/versioning";
declare option ver:module-version "1.0";

(:~
 :&lt;p&gt;Invokes an XSLT transformation.&lt;/p&gt;
 :
 : @param $source the input document to the transformation
 : @param $stylesheet the XSLT stylesheet module
 : @return the result tree produced by the transformation
 :
 : @error  xslt:XSLT001 if $stylesheet is not a valid XSLT stylesheet
 : @error  xslt:XSLT002 if result can not be imported 
 :
 : @example test_xslt/Queries/languages/xslt/xslt1.xq
 :)
declare function xslt:transform (
  $source as node(),
  $stylesheet as node()
) as node() external;