318 lines
8.3 KiB
PHP
318 lines
8.3 KiB
PHP
<?php
|
|
/**
|
|
* Sitemaps: WP_Sitemaps_Stylesheet class
|
|
*
|
|
* This class provides the XSL stylesheets to style all sitemaps.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Sitemaps
|
|
* @since 5.5.0
|
|
*/
|
|
|
|
/**
|
|
* Stylesheet provider class.
|
|
*
|
|
* @since 5.5.0
|
|
*/
|
|
#[AllowDynamicProperties]
|
|
class WP_Sitemaps_Stylesheet {
|
|
/**
|
|
* Renders the XSL stylesheet depending on whether it's the sitemap index or not.
|
|
*
|
|
* @param string $type Stylesheet type. Either 'sitemap' or 'index'.
|
|
*/
|
|
public function render_stylesheet( $type ) {
|
|
header( 'Content-Type: application/xml; charset=UTF-8' );
|
|
|
|
if ( 'sitemap' === $type ) {
|
|
// All content is escaped below.
|
|
echo $this->get_sitemap_stylesheet();
|
|
}
|
|
|
|
if ( 'index' === $type ) {
|
|
// All content is escaped below.
|
|
echo $this->get_sitemap_index_stylesheet();
|
|
}
|
|
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Returns the escaped XSL for all sitemaps, except index.
|
|
*
|
|
* @since 5.5.0
|
|
*/
|
|
public function get_sitemap_stylesheet() {
|
|
$css = $this->get_stylesheet_css();
|
|
$title = esc_xml( __( 'XML Sitemap' ) );
|
|
$description = esc_xml( __( 'This XML Sitemap is generated by WordPress to make your content more visible for search engines.' ) );
|
|
$learn_more = sprintf(
|
|
'<a href="%s">%s</a>',
|
|
esc_url( __( 'https://www.sitemaps.org/' ) ),
|
|
esc_xml( __( 'Learn more about XML sitemaps.' ) )
|
|
);
|
|
|
|
$text = sprintf(
|
|
/* translators: %s: Number of URLs. */
|
|
esc_xml( __( 'Number of URLs in this XML Sitemap: %s.' ) ),
|
|
'<xsl:value-of select="count( sitemap:urlset/sitemap:url )" />'
|
|
);
|
|
|
|
$lang = get_language_attributes( 'html' );
|
|
$url = esc_xml( __( 'URL' ) );
|
|
$lastmod = esc_xml( __( 'Last Modified' ) );
|
|
$changefreq = esc_xml( __( 'Change Frequency' ) );
|
|
$priority = esc_xml( __( 'Priority' ) );
|
|
|
|
$xsl_content = <<<XSL
|
|
<?xml version="1.0" encoding="UTF-8"?>
|
|
<xsl:stylesheet
|
|
version="1.0"
|
|
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
|
|
xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9"
|
|
exclude-result-prefixes="sitemap"
|
|
>
|
|
|
|
<xsl:output method="html" encoding="UTF-8" indent="yes" />
|
|
|
|
<!--
|
|
Set variables for whether lastmod, changefreq or priority occur for any url in the sitemap.
|
|
We do this up front because it can be expensive in a large sitemap.
|
|
-->
|
|
<xsl:variable name="has-lastmod" select="count( /sitemap:urlset/sitemap:url/sitemap:lastmod )" />
|
|
<xsl:variable name="has-changefreq" select="count( /sitemap:urlset/sitemap:url/sitemap:changefreq )" />
|
|
<xsl:variable name="has-priority" select="count( /sitemap:urlset/sitemap:url/sitemap:priority )" />
|
|
|
|
<xsl:template match="/">
|
|
<html {$lang}>
|
|
<head>
|
|
<title>{$title}</title>
|
|
<style>
|
|
{$css}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="sitemap">
|
|
<div id="sitemap__header">
|
|
<h1>{$title}</h1>
|
|
<p>{$description}</p>
|
|
<p>{$learn_more}</p>
|
|
</div>
|
|
<div id="sitemap__content">
|
|
<p class="text">{$text}</p>
|
|
<table id="sitemap__table">
|
|
<thead>
|
|
<tr>
|
|
<th class="loc">{$url}</th>
|
|
<xsl:if test="\$has-lastmod">
|
|
<th class="lastmod">{$lastmod}</th>
|
|
</xsl:if>
|
|
<xsl:if test="\$has-changefreq">
|
|
<th class="changefreq">{$changefreq}</th>
|
|
</xsl:if>
|
|
<xsl:if test="\$has-priority">
|
|
<th class="priority">{$priority}</th>
|
|
</xsl:if>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<xsl:for-each select="sitemap:urlset/sitemap:url">
|
|
<tr>
|
|
<td class="loc"><a href="{sitemap:loc}"><xsl:value-of select="sitemap:loc" /></a></td>
|
|
<xsl:if test="\$has-lastmod">
|
|
<td class="lastmod"><xsl:value-of select="sitemap:lastmod" /></td>
|
|
</xsl:if>
|
|
<xsl:if test="\$has-changefreq">
|
|
<td class="changefreq"><xsl:value-of select="sitemap:changefreq" /></td>
|
|
</xsl:if>
|
|
<xsl:if test="\$has-priority">
|
|
<td class="priority"><xsl:value-of select="sitemap:priority" /></td>
|
|
</xsl:if>
|
|
</tr>
|
|
</xsl:for-each>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|
|
</xsl:template>
|
|
</xsl:stylesheet>
|
|
|
|
XSL;
|
|
|
|
/**
|
|
* Filters the content of the sitemap stylesheet.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param string $xsl_content Full content for the XML stylesheet.
|
|
*/
|
|
return apply_filters( 'wp_sitemaps_stylesheet_content', $xsl_content );
|
|
}
|
|
|
|
/**
|
|
* Returns the escaped XSL for the index sitemaps.
|
|
*
|
|
* @since 5.5.0
|
|
*/
|
|
public function get_sitemap_index_stylesheet() {
|
|
$css = $this->get_stylesheet_css();
|
|
$title = esc_xml( __( 'XML Sitemap' ) );
|
|
$description = esc_xml( __( 'This XML Sitemap is generated by WordPress to make your content more visible for search engines.' ) );
|
|
$learn_more = sprintf(
|
|
'<a href="%s">%s</a>',
|
|
esc_url( __( 'https://www.sitemaps.org/' ) ),
|
|
esc_xml( __( 'Learn more about XML sitemaps.' ) )
|
|
);
|
|
|
|
$text = sprintf(
|
|
/* translators: %s: Number of URLs. */
|
|
esc_xml( __( 'Number of URLs in this XML Sitemap: %s.' ) ),
|
|
'<xsl:value-of select="count( sitemap:sitemapindex/sitemap:sitemap )" />'
|
|
);
|
|
|
|
$lang = get_language_attributes( 'html' );
|
|
$url = esc_xml( __( 'URL' ) );
|
|
$lastmod = esc_xml( __( 'Last Modified' ) );
|
|
|
|
$xsl_content = <<<XSL
|
|
<?xml version="1.0" encoding="UTF-8"?>
|
|
<xsl:stylesheet
|
|
version="1.0"
|
|
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
|
|
xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9"
|
|
exclude-result-prefixes="sitemap"
|
|
>
|
|
|
|
<xsl:output method="html" encoding="UTF-8" indent="yes" />
|
|
|
|
<!--
|
|
Set variables for whether lastmod occurs for any sitemap in the index.
|
|
We do this up front because it can be expensive in a large sitemap.
|
|
-->
|
|
<xsl:variable name="has-lastmod" select="count( /sitemap:sitemapindex/sitemap:sitemap/sitemap:lastmod )" />
|
|
|
|
<xsl:template match="/">
|
|
<html {$lang}>
|
|
<head>
|
|
<title>{$title}</title>
|
|
<style>
|
|
{$css}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="sitemap">
|
|
<div id="sitemap__header">
|
|
<h1>{$title}</h1>
|
|
<p>{$description}</p>
|
|
<p>{$learn_more}</p>
|
|
</div>
|
|
<div id="sitemap__content">
|
|
<p class="text">{$text}</p>
|
|
<table id="sitemap__table">
|
|
<thead>
|
|
<tr>
|
|
<th class="loc">{$url}</th>
|
|
<xsl:if test="\$has-lastmod">
|
|
<th class="lastmod">{$lastmod}</th>
|
|
</xsl:if>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<xsl:for-each select="sitemap:sitemapindex/sitemap:sitemap">
|
|
<tr>
|
|
<td class="loc"><a href="{sitemap:loc}"><xsl:value-of select="sitemap:loc" /></a></td>
|
|
<xsl:if test="\$has-lastmod">
|
|
<td class="lastmod"><xsl:value-of select="sitemap:lastmod" /></td>
|
|
</xsl:if>
|
|
</tr>
|
|
</xsl:for-each>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|
|
</xsl:template>
|
|
</xsl:stylesheet>
|
|
|
|
XSL;
|
|
|
|
/**
|
|
* Filters the content of the sitemap index stylesheet.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param string $xsl_content Full content for the XML stylesheet.
|
|
*/
|
|
return apply_filters( 'wp_sitemaps_stylesheet_index_content', $xsl_content );
|
|
}
|
|
|
|
/**
|
|
* Gets the CSS to be included in sitemap XSL stylesheets.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @return string The CSS.
|
|
*/
|
|
public function get_stylesheet_css() {
|
|
$text_align = is_rtl() ? 'right' : 'left';
|
|
|
|
$css = <<<EOF
|
|
|
|
body {
|
|
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
|
|
color: #444;
|
|
}
|
|
|
|
#sitemap {
|
|
max-width: 980px;
|
|
margin: 0 auto;
|
|
}
|
|
|
|
#sitemap__table {
|
|
width: 100%;
|
|
border: solid 1px #ccc;
|
|
border-collapse: collapse;
|
|
}
|
|
|
|
#sitemap__table tr td.loc {
|
|
/*
|
|
* URLs should always be LTR.
|
|
* See https://core.trac.wordpress.org/ticket/16834
|
|
* and https://core.trac.wordpress.org/ticket/49949
|
|
*/
|
|
direction: ltr;
|
|
}
|
|
|
|
#sitemap__table tr th {
|
|
text-align: {$text_align};
|
|
}
|
|
|
|
#sitemap__table tr td,
|
|
#sitemap__table tr th {
|
|
padding: 10px;
|
|
}
|
|
|
|
#sitemap__table tr:nth-child(odd) td {
|
|
background-color: #eee;
|
|
}
|
|
|
|
a:hover {
|
|
text-decoration: none;
|
|
}
|
|
|
|
EOF;
|
|
|
|
/**
|
|
* Filters the CSS only for the sitemap stylesheet.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param string $css CSS to be applied to default XSL file.
|
|
*/
|
|
return apply_filters( 'wp_sitemaps_stylesheet_css', $css );
|
|
}
|
|
}
|