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<xsl:transform
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0"
xmlns:saxon="http://icl.com/saxon"
exclude-result-prefixes="saxon"
>
<!-- This style sheet displays the books.xml file. It is designed to exercise a variety -->
<!-- of features of the SAXON XSL language and does not do everything in the simplest way -->
<xsl:key name="authkey" match="ITEM" use="AUTHOR"/>
<xsl:key name="codekey" match="CATEGORY" use="@CODE"/>
<xsl:decimal-format name="comma" decimal-separator="," grouping-separator="."/>
<xsl:include href="books-attsets.xsl"/>
<xsl:variable name="bgcolor">x00ffff</xsl:variable>
<xsl:variable name="fontcolor" select="'xff0080'"/>
<xsl:variable name="categories" select="//CATEGORY"/>
<xsl:variable name="now" xmlns:Date="/java.util.Date">
<xsl:value-of select="Date:toString(Date:new())"/>
</xsl:variable>
<xsl:param name="top-author">Bonner</xsl:param>
<xsl:preserve-space elements="AUTHOR TITLE"/>
<xsl:template match="/">
<HTML>
<xsl:comment>Generated at <xsl:value-of select="$now"/> using <xsl:value-of select="system-property('xsl:vendor')"/></xsl:comment>
<xsl:call-template name="header">
<xsl:with-param name="title" select="'Book List'"/>
</xsl:call-template>
<BODY LEFTMARGIN="100" BGCOLOR="{$bgcolor}" xsl:use-attribute-sets="attset1">
<xsl:attribute name="LEFTMARGIN">120</xsl:attribute>
<FONT COLOR="{$fontcolor}">
<xsl:element name="div" use-attribute-sets="attset2">
<xsl:apply-templates/>
</xsl:element>
</FONT>
</BODY>
</HTML>
</xsl:template>
<xsl:template name="header">
<xsl:param name="title" select="'Default Title'"/>
<HEAD>
<TITLE><xsl:value-of select="$title"/></TITLE></HEAD>
</xsl:template>
<xsl:template match="BOOKLIST">
<H2>List of categories</H2>
<xsl:apply-templates select="$categories">
<xsl:sort select="@DESC" order="descending"/>
<xsl:sort select="@CODE" order="descending"/>
<xsl:with-param name="p2"><i>35</i></xsl:with-param>
</xsl:apply-templates>
<H2>This week's top author is <xsl:value-of select="$top-author"/></H2>
<xsl:variable name="top-authors-books" select="key('authkey', $top-author)"/>
<p>We stock the following <xsl:value-of select="count($top-authors-books)"/> books by this author:</p>
<ul>
<xsl:for-each select="$top-authors-books">
<li><xsl:value-of select="TITLE"/></li>
</xsl:for-each>
</ul>
<p>But this one is the first</p>
<xsl:for-each select="$top-authors-books[1]">
<p><xsl:value-of select="TITLE"/> costing $<xsl:value-of select="PRICE"/></p>
</xsl:for-each>
<p>This author has written books in the following categories:</p>
<ul>
<xsl:for-each select="key('codekey', $top-authors-books/@CAT)/@DESC">
<li><xsl:value-of select="."/></li>
</xsl:for-each>
</ul>
<p>The average price of these books is: <xsl:text/>
<xsl:value-of select="format-number(
sum($top-authors-books/PRICE)
div count($top-authors-books),
'$####.00')"/>
</p>
<H2>A complete list of books, grouped by author</H2>
<xsl:apply-templates select="child :: BOOKS" mode="by-author"/>
<H2>A complete list of books, grouped by category</H2>
<xsl:apply-templates select="BOOKS" mode="by-category"/>
</xsl:template>
<xsl:template match="BOOKS" mode="by-author">
<div xsl:extension-element-prefixes="saxon">
<saxon:group select="ITEM" group-by="AUTHOR">
<xsl:sort select="AUTHOR" order="ascending"/>
<xsl:sort select="TITLE" order="ascending"/>
<h3>AUTHOR: <xsl:value-of select="AUTHOR"/>
(<xsl:value-of select="position()"/> of <xsl:value-of select="last()"/>)</h3>
<TABLE>
<saxon:item>
<TR><TD WIDTH="100" VALIGN="TOP"><xsl:number format="i"/></TD>
<TD>
TITLE: <xsl:value-of select="TITLE"/><BR/>
CATEGORY: <xsl:value-of select="id(@CAT)/@DESC" />
(<xsl:value-of select="@CAT" />)
</TD></TR>
</saxon:item>
</TABLE><HR/>
</saxon:group>
</div>
</xsl:template>
<xsl:template match="BOOKS" mode="by-category">
<div xsl:extension-element-prefixes="saxon">
<saxon:group select="ITEM" group-by="@CAT">
<xsl:sort select="id(@CAT)/@DESC" order="ascending"/>
<xsl:sort select="TITLE" order="ascending"/>
<h3>CATEGORY: <xsl:value-of select="id(@CAT)/@DESC" /></h3>
<OL>
<saxon:item>
<LI>AUTHOR: <xsl:value-of select="AUTHOR"/><BR/>
TITLE: <xsl:value-of select="TITLE"/></LI>
</saxon:item>
</OL><HR/>
</saxon:group>
</div>
</xsl:template>
<xsl:template match="CATEGORY" >
<H4>CATEGORY <xsl:number value="position()" format="I"/></H4>
<TABLE>
<xsl:for-each select="@*[position()<120]">
<TR>
<TD><xsl:value-of select="position()"/></TD>
<TD><xsl:value-of select="name(.)"/></TD>
<TD><xsl:value-of select="."/></TD>
</TR>
</xsl:for-each>
</TABLE>
<HR/>
</xsl:template>
<xsl:template match="@*">
<xsl:copy/>
</xsl:template>
<xsl:template match="processing-instruction()">
<p>Default PI template called</p>
Name = <xsl:value-of select="name()"/>
Value = <xsl:value-of select="."/>
Copy: <xsl:copy/>
</xsl:template>
<xsl:template match="processing-instruction('testpi1')" priority="2">
<p>PI template for testpi1 called:
number (any) = <xsl:number level="any"/>
number (single) = <xsl:number level="single"/>
number (multiple) = <xsl:number level="multiple" count="node()"/>
</p>
</xsl:template>
<xsl:template match="id('C')" priority="93.7">
Found category C!
</xsl:template>
</xsl:transform>
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