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XMLHL.xsl
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XMLHL.xsl
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<?xml version="1.0" encoding="UTF-8" ?>
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xhl="https://apply-templates.com/XMLHL"
xmlns:xh="http://www.w3.org/1999/xhtml"
version="1.0">
<xsl:output method="xml" encoding="UTF-8" indent="no"/>
<!--
This is a syntax highlighter, intended for use with the website apply-templates.com
-->
<xsl:template match="xh:code">
<xhl:hl>
<xsl:call-template name="XMLHighlighter">
<xsl:with-param name="code" select="."/>
</xsl:call-template>
</xhl:hl>
</xsl:template>
<xsl:template name="XMLHighlighter">
<xsl:param name="code"/>
<xsl:choose>
<!-- Gotta Stop stack overflowing! -->
<xsl:when test="string-length($code) = 0"/>
<!-- Comments -->
<xsl:when test="substring($code,1,4) = '<!--'">
<xhl:commentbracket>
<xsl:text><!-- </xsl:text>
</xhl:commentbracket>
<xhl:commenttext>
<xsl:value-of select="substring(substring-before($code,'-->'),5,string-length(substring-before($code,'-->'))-3)"/>
</xhl:commenttext>
<xhl:commentbracket>
<xsl:text>--></xsl:text>
</xhl:commentbracket>
<xsl:call-template name="XMLHighlighter">
<xsl:with-param name="code" select="substring-after($code,'-->')"/>
</xsl:call-template>
</xsl:when>
<!-- Processing Instructions -->
<xsl:when test="substring($code,1,2) = '<?'">
<xhl:PIBracket>
<xsl:text><?</xsl:text>
</xhl:PIBracket>
<xhl:PIName>
<xsl:value-of select="substring(substring-before($code,' '),3,string-length(substring-before($code,' '))-2)"/>
</xhl:PIName>
<xhl:space><xsl:text> </xsl:text></xhl:space>
<xhl:PIString>
<xsl:value-of select="substring-after(substring-before($code,'?>'),' ')"/>
</xhl:PIString>
<xhl:PIBracket>
<xsl:text>?></xsl:text>
</xhl:PIBracket>
<xsl:call-template name="XMLHighlighter">
<xsl:with-param name="code" select="substring-after($code,'?>')"/>
</xsl:call-template>
</xsl:when>
<!-- Element -->
<xsl:when test="substring($code,1,1) = '<'">
<xsl:variable name="rcode">
<xsl:choose>
<xsl:when test="substring($code,1,2) = '</'">
<xsl:value-of select="substring($code,3,string-length($code)-2)"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="substring($code,2,string-length($code)-1)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:choose>
<xsl:when test="substring($code,1,2) = '</'">
<xhl:elementbracket><xsl:text></</xsl:text></xhl:elementbracket>
</xsl:when>
<xsl:otherwise>
<xhl:elementbracket><xsl:text><</xsl:text></xhl:elementbracket>
</xsl:otherwise>
</xsl:choose>
<xsl:choose>
<xsl:when test="contains(substring-before($rcode,'>'),' ')">
<xhl:elementname>
<xsl:value-of select="substring-before($rcode,' ')"/>
</xhl:elementname>
<xsl:call-template name="XHLAttributes">
<xsl:with-param name="attrs" select="substring-before(substring-after($rcode,' '),'>')"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xhl:elementname>
<xsl:value-of select="translate(substring-before($rcode,'>'),'/','')"/>
</xhl:elementname>
</xsl:otherwise>
</xsl:choose>
<xhl:elementbracket>
<xsl:choose>
<xsl:when test="contains(substring-before($rcode,'>'),'/')">
<xsl:text>/></xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>></xsl:text>
</xsl:otherwise>
</xsl:choose>
</xhl:elementbracket>
<xsl:call-template name="XMLHighlighter">
<xsl:with-param name="code" select="substring-after($rcode,'>')"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="contains('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890',substring($code,1,1))">
<xhl:elementvalue>
<xsl:value-of select="substring-before($code,'<')"/>
</xhl:elementvalue>
<xsl:call-template name="XMLHighlighter">
<xsl:with-param name="code" select="concat('<',substring-after($code,'<'))"/>
</xsl:call-template>
</xsl:when>
<!-- Newline -->
<xsl:when test="substring($code,1,1) = '
'">
<xh:br/>
<xsl:choose>
<xsl:when test="contains(substring-after($code, substring($code,1,1)),'<')">
<xhl:space><xsl:value-of select="substring-before(substring-after($code, substring($code,1,1)),'<')"/></xhl:space>
<xsl:call-template name="XMLHighlighter">
<xsl:with-param name="code" select="concat('<',substring-after(substring-after($code, substring($code,1,1)),'<'))"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="XMLHighlighter">
<xsl:with-param name="code" select="substring-after($code,substring($code,1,1))"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="substring($code,1,1)"/>
<xsl:call-template name="XMLHighlighter">
<xsl:with-param name="code" select="substring-after($code,substring($code,1,1))"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="XHLAttributes">
<xsl:param name="attrs"/>
<xsl:if test="contains($attrs,'=')">
<xhl:space><xsl:text> </xsl:text></xhl:space>
<xhl:attrname>
<xsl:value-of select="normalize-space(substring-before($attrs,'='))"/>
</xhl:attrname>
<xhl:equals><xsl:text>=</xsl:text></xhl:equals>
<xhl:quote><xsl:text>"</xsl:text></xhl:quote>
<xhl:attrvalue>
<xsl:value-of select="substring-before(substring-after($attrs,'="'),'"')"/>
</xhl:attrvalue>
<xhl:quote><xsl:text>"</xsl:text></xhl:quote>
<xsl:call-template name="XHLAttributes">
<xsl:with-param name="attrs" select="substring-after(substring-after($attrs,'="'),'"')"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
<xsl:template name="XMLHLStyles">
<xh:style xmlns:xh="http://www.w3.org/1999/xhtml" type="text/css">
@namespace xhl url("https://apply-templates.com/XMLHL");
@namespace xh url("http://www.w3.org/1999/xhtml");
xhl|hl {
padding: 10px;
background-color: #eeeeee;
display:block;
outline: 1px solid green;
font-family: "Courier New",monospace;
font-size: 0;
overflow-x:auto;
}
xhl|hl xhl|elementbracket {
color: #00539C;
font-size: 16px;
}
xhl|hl xhl|quote {
color: #00539C;
font-size: 16px;
}
xhl|hl xhl|elementname {
color: #00539C;
font-size: 16px;
}
xhl|hl xhl|elementvalue {
color: initial;
font-size: 16px;
}
xhl|hl xhl|equals {
color: #00539C;
font-size: 16px;
}
xhl|hl xhl|attrname {
color: #f00000;
font-size: 16px;
}
xhl|hl xhl|attrvalue {
color: #a31515;
font-size: 16px;
}
xhl|hl xhl|PIBracket {
color: #00539C;
font-size: 16px;
}
xhl|hl xhl|PIName {
color: #00539C;
font-size: 16px;
}
xhl|hl xhl|PIString {
color: #f00000;
font-size: 16px;
}
xhl|hl xhl|commenttext {
color: #30a14e;
font-size: 16px;
}
xhl|hl xhl|commentbracket {
color: #30a14e;
font-size: 16px;
}
xhl|space {
font-size: 16px;
white-space: pre;
}
</xh:style>
</xsl:template>
</xsl:transform>