category.xsl.codestyle.xml Maven / Gradle / Ivy
<?xml version="1.0" encoding="UTF-8"?>
<ruleset name="Code Style"
xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
<description>
Rules which enforce a specific coding style.
</description>
<rule name="UseConcatOnce"
language="xsl"
since="5.0"
message="The xpath concat() function accepts as many arguments as required, you may be able to factorize this expression"
class="net.sourceforge.pmd.lang.rule.xpath.XPathRule"
externalInfoUrl="${pmd.website.baseurl}/pmd_rules_xsl_codestyle.html#useconcatonce">
<description>
The XPath concat() functions accepts as many arguments as required so you can have
"concat($a,'b',$c)" rather than "concat($a,concat('b',$c)".
</description>
<priority>3</priority>
<properties>
<property name="xpath">
<!-- the use of node() allow to target any node with an select attribute
but also workaround the ambiguity of having the xsl namespace in the
node name.-->
<value>
<![CDATA[
//node()[contains(substring-after(@select,'concat'),'concat')]
]]>
</value>
</property>
</properties>
<example>
<![CDATA[
<xsl:variable name="var" select="concat("Welcome",concat("to you ",$name))"/>
<xsl:variable name="var" select="concat("Welcome","to you ",$name))">
]]>
</example>
</rule>
</ruleset>