se/SE/dev/php-cli/joins2ways_z_ID_Way.xsl

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:bp="https://procesy5.pl/biale_plamy-schema.xsd"
    exclude-result-prefixes="xs"
    version="2.0">
    <xsl:output indent="yes"/>
    <xsl:strip-space elements="*"/>
    <xsl:param name="ways_2ID_Way.xml"  select="'ways_2ID_Way.xml'"/>
    <xsl:variable name="ways_2ID_Way" select="doc($ways_2ID_Way.xml)"/>
    
    <xsl:template match="joins2ways">
        <joins2ways_z_ID_Way>
            <xsl:apply-templates/>
        </joins2ways_z_ID_Way>
    </xsl:template>
    <xsl:template match="item">
        <item>
            <xsl:copy-of select="@*"/>
            <xsl:if test="$ways_2ID_Way/ways_2ID_Way/item[@id=current()/item[1]/text()]/text()">
                <xsl:attribute name="ID_Way" select="$ways_2ID_Way/ways_2ID_Way/item[@id=current()/item[1]/text()]/text()"/>
            </xsl:if>
            
            <xsl:for-each select="item">
                <xsl:element name="item">
                    <xsl:attribute name="id" select="@id"/>
                    <xsl:attribute name="ID_WAY" select="$ways_2ID_Way/ways_2ID_Way/item[@id=current()/text()]/text()"/>
                </xsl:element>
            </xsl:for-each>
        </item>
    </xsl:template>
    
</xsl:stylesheet>