Updated XSL to include counts of failures at each severity, and also the new effect/causes distinction, for failures that are not package specific.
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fn="http://www.w3.org/2005/xpath-functions">
<!-- Initialise keys (sort of like hashes?) to enable us to list distinct packages/severities -->
<xsl:key name="packages" match="failure" use="@package"/>
<xsl:key name="severities" match="/buildStatus/phase/step/failures" use="@level"/>
<xsl:key name="packageANDseverity" match="/buildStatus/phase/step/failures[@level]/failure[@package]" use="concat(../@level, @package)"/>
<!-- Main template -->
<xsl:template match="/buildStatus">
<html>
<head><title>Build Status</title></head>
<body>
<h1>Build Status</h1>
<xsl:variable name="criticalCount" select="count(phase/step/failures[@level='critical']/failure)"/>
<xsl:variable name="majorCount" select="count(phase/step/failures[@level='major']/failure)"/>
<xsl:variable name="minorCount" select="count(phase/step/failures[@level='minor']/failure)"/>
<xsl:variable name="unknownCount" select="count(phase/step/failures[@level!='critical' and @level!='major' and @level!='minor']/failure)"/>
<h2>
Overall BRAGG staus:
<xsl:choose>
<xsl:when test="$criticalCount != 0">BLACK</xsl:when>
<xsl:when test="$majorCount != 0">RED</xsl:when>
<xsl:when test="$minorCount != 0">AMBER</xsl:when>
<xsl:when test="$unknownCount != 0">GREEN</xsl:when>
<xsl:otherwise>GOLD!</xsl:otherwise>
</xsl:choose>
</h2>
<h2>Breakdown by severity</h2>
<table border="1">
<tr><td>Critical</td><td><xsl:value-of select="$criticalCount"/></td></tr>
<tr><td>Major</td><td><xsl:value-of select="$majorCount"/></td></tr>
<tr><td>Minor</td><td><xsl:value-of select="$minorCount"/></td></tr>
<tr><td>Unknown</td><td><xsl:value-of select="$unknownCount"/></td></tr>
<tr><th>Grand total</th><th><xsl:value-of select="count(phase/step/failures/failure)"/></th></tr>
</table>
<h2>Breakdown by phase/step</h2>
<table border="1">
<xsl:for-each select="phase">
<tr>
<th colspan='2'>Phase: <xsl:value-of select="@name"/></th>
</tr>
<xsl:for-each select="step">
<tr>
<td colspan='2'>Step: <xsl:value-of select="@name"/></td>
</tr>
<xsl:for-each select="failures">
<tr>
<td>Failures: <xsl:value-of select="@level"/></td>
<td>Number: <xsl:value-of select="count(failure)"/></td>
</tr>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</table>
<!-- If any failures are tied to a specific package... -->
<xsl:if test="phase/step/failures/failure[@package]">
<h2>Breakdown by package</h2>
<table border="1">
<tr><th>Package</th><th>Total failures</th></tr>
<!-- Use the Muenchian Method to get a set of distinct packages -->
<xsl:for-each select="phase/step/failures/failure[generate-id(.) = generate-id(key('packages', @package))]">
<xsl:sort select="@package"/>
<tr>
<td><a><xsl:attribute name="href"><xsl:value-of select="concat('#package', @package)"/></xsl:attribute><xsl:value-of select="@package"/></a></td>
<td><xsl:value-of select="count(key('packages', @package))"/></td>
</tr>
</xsl:for-each>
</table>
<h2>Breakdown by package/severity</h2>
<xsl:for-each select="phase/step/failures[@level]/failure[generate-id(.) = generate-id(key('packages', @package))]">
<xsl:sort select="@package"/>
<xsl:variable name="package" select="@package"/>
<a><xsl:attribute name="name"><xsl:value-of select="concat('package', $package)"/></xsl:attribute>
<h3><xsl:value-of select="$package"/></h3>
</a>
<table border="1">
<tr><th>Severity</th><th>Count</th></tr>
<xsl:for-each select="/buildStatus/phase/step/failures[generate-id(.) = generate-id(key('severities', @level))]">
<xsl:variable name="severity" select="@level"/>
<tr>
<td><a>
<xsl:if test="count(/buildStatus/phase/step/failures[@level = $severity]/failure[@package = $package]) != 0">
<xsl:attribute name="href"><xsl:value-of select="concat('#', $severity, $package)"/></xsl:attribute>
</xsl:if>
<xsl:value-of select="$severity"/></a></td>
<td><xsl:value-of select="count(key('packageANDseverity', concat($severity, $package)))"/></td>
</tr>
</xsl:for-each>
</table>
</xsl:for-each>
</xsl:if>
<h2>Floating failures by phase/step/severity</h2>
<xsl:if test="count(phase/step/failures/failure/@package) = count(phase/step/failures/failure)">
<p>No errors independent of package</p>
</xsl:if>
<xsl:for-each select="phase[count(step/failures/failure/@package) != count(step/failures/failure)]">
<h3>Phase: <xsl:value-of select="@name"/></h3>
<xsl:for-each select="step[count(failures/failure/@package) != count(failures/failure)]">
<h4>Step: <xsl:value-of select="@name"/></h4>
<xsl:for-each select="failures[count(failure/@package) != count(failure)]">
<xsl:variable name="severity" select="@level"/>
<dl><dt><xsl:value-of select="@level"/> (<xsl:value-of select="count(/buildStatus/phase/step/failures[@level = $severity]/failure[count(@package) = 0])"/>)</dt><dd>
<ul>
<xsl:for-each select="failure[count(@package) = 0]">
<li><xsl:value-of select="effect"/></li>
<xsl:if test="@unreported_causes != '0'">
<br/>(Too much text to show everything; <xsl:value-of select="@unreported_causes"/> lines not shown.)
</xsl:if>
<xsl:for-each select="causes">
<pre><xsl:value-of select="."/></pre>
</xsl:for-each>
</xsl:for-each>
</ul>
</dd></dl>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
<h2>Package failures by package/severity</h2>
<xsl:if test="count(phase/step/failures/failure/@package) = 0">
<p>No errors specific to a package</p>
</xsl:if>
<xsl:for-each select="phase/step/failures[@level]/failure[generate-id(.) = generate-id(key('packages', @package))]">
<xsl:sort select="@package"/>
<xsl:variable name="package" select="@package"/>
<a><xsl:attribute name="name"><xsl:value-of select="concat('package', $package)"/></xsl:attribute>
<h3><xsl:value-of select="$package"/></h3>
</a>
<xsl:for-each select="/buildStatus/phase/step/failures[generate-id(.) = generate-id(key('severities', @level))]">
<xsl:variable name="severity" select="@level"/>
<xsl:if test="count(/buildStatus/phase/step/failures[@level = $severity]/failure[@package = $package]) != 0">
<dl><dt><a><xsl:attribute name="name"><xsl:value-of select="concat($severity, $package)"/></xsl:attribute>
<xsl:value-of select="$severity"/> (<xsl:value-of select="count(/buildStatus/phase/step/failures[@level = $severity]/failure[@package = $package])"/>)
</a></dt><dd>
<ul>
<xsl:for-each select="/buildStatus/phase/step/failures[@level = $severity]/failure[@package = $package]">
<xsl:sort select="@package"/>
<li><xsl:value-of select="effect"/></li>
<xsl:if test="@unreported_causes != '0'">
<br/>(Too much text to show everything; <xsl:value-of select="@unreported_causes"/> lines not shown.)
</xsl:if>
<xsl:for-each select="causes">
<pre><xsl:value-of select="."/></pre>
</xsl:for-each>
</xsl:for-each>
</ul>
</dd></dl>
</xsl:if>
</xsl:for-each>
</xsl:for-each>
</body>
</html>
</xsl:template>
</xsl:stylesheet>