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28358ab213
This changeset improves the consistency in capitalization of fetching and outputting of request headers. It also updates occurrences found in some docblocks. Props johnjamesjacoby, costdev, audrasjb, petitphp, mhkuu, SergeyBiryukov. Fixes #54225. Built from https://develop.svn.wordpress.org/trunk@55210 git-svn-id: http://core.svn.wordpress.org/trunk@54743 1a063a9b-81f0-0310-95a4-ce76da25c4cd
318 lines
8.4 KiB
PHP
318 lines
8.4 KiB
PHP
<?php
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/**
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* Sitemaps: WP_Sitemaps_Stylesheet class
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*
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* This class provides the XSL stylesheets to style all sitemaps.
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*
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* @package WordPress
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* @subpackage Sitemaps
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* @since 5.5.0
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*/
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/**
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* Stylesheet provider class.
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*
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* @since 5.5.0
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*/
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#[AllowDynamicProperties]
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class WP_Sitemaps_Stylesheet {
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/**
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* Renders the XSL stylesheet depending on whether it's the sitemap index or not.
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*
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* @param string $type Stylesheet type. Either 'sitemap' or 'index'.
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*/
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public function render_stylesheet( $type ) {
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header( 'Content-Type: application/xml; charset=UTF-8' );
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if ( 'sitemap' === $type ) {
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// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- All content escaped below.
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echo $this->get_sitemap_stylesheet();
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}
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if ( 'index' === $type ) {
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// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- All content escaped below.
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echo $this->get_sitemap_index_stylesheet();
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}
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exit;
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}
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/**
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* Returns the escaped XSL for all sitemaps, except index.
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*
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* @since 5.5.0
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*/
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public function get_sitemap_stylesheet() {
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$css = $this->get_stylesheet_css();
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$title = esc_xml( __( 'XML Sitemap' ) );
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$description = esc_xml( __( 'This XML Sitemap is generated by WordPress to make your content more visible for search engines.' ) );
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$learn_more = sprintf(
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'<a href="%s">%s</a>',
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esc_url( __( 'https://www.sitemaps.org/' ) ),
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esc_xml( __( 'Learn more about XML sitemaps.' ) )
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);
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$text = sprintf(
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/* translators: %s: Number of URLs. */
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esc_xml( __( 'Number of URLs in this XML Sitemap: %s.' ) ),
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'<xsl:value-of select="count( sitemap:urlset/sitemap:url )" />'
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);
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$lang = get_language_attributes( 'html' );
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$url = esc_xml( __( 'URL' ) );
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$lastmod = esc_xml( __( 'Last Modified' ) );
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$changefreq = esc_xml( __( 'Change Frequency' ) );
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$priority = esc_xml( __( 'Priority' ) );
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$xsl_content = <<<XSL
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<?xml version="1.0" encoding="UTF-8"?>
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<xsl:stylesheet
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version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9"
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exclude-result-prefixes="sitemap"
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>
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<xsl:output method="html" encoding="UTF-8" indent="yes" />
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<!--
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Set variables for whether lastmod, changefreq or priority occur for any url in the sitemap.
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We do this up front because it can be expensive in a large sitemap.
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-->
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<xsl:variable name="has-lastmod" select="count( /sitemap:urlset/sitemap:url/sitemap:lastmod )" />
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<xsl:variable name="has-changefreq" select="count( /sitemap:urlset/sitemap:url/sitemap:changefreq )" />
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<xsl:variable name="has-priority" select="count( /sitemap:urlset/sitemap:url/sitemap:priority )" />
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<xsl:template match="/">
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<html {$lang}>
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<head>
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<title>{$title}</title>
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<style>
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{$css}
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</style>
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</head>
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<body>
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<div id="sitemap">
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<div id="sitemap__header">
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<h1>{$title}</h1>
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<p>{$description}</p>
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<p>{$learn_more}</p>
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</div>
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<div id="sitemap__content">
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<p class="text">{$text}</p>
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<table id="sitemap__table">
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<thead>
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<tr>
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<th class="loc">{$url}</th>
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<xsl:if test="\$has-lastmod">
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<th class="lastmod">{$lastmod}</th>
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</xsl:if>
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<xsl:if test="\$has-changefreq">
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<th class="changefreq">{$changefreq}</th>
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</xsl:if>
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<xsl:if test="\$has-priority">
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<th class="priority">{$priority}</th>
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</xsl:if>
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</tr>
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</thead>
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<tbody>
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<xsl:for-each select="sitemap:urlset/sitemap:url">
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<tr>
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<td class="loc"><a href="{sitemap:loc}"><xsl:value-of select="sitemap:loc" /></a></td>
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<xsl:if test="\$has-lastmod">
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<td class="lastmod"><xsl:value-of select="sitemap:lastmod" /></td>
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</xsl:if>
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<xsl:if test="\$has-changefreq">
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<td class="changefreq"><xsl:value-of select="sitemap:changefreq" /></td>
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</xsl:if>
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<xsl:if test="\$has-priority">
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<td class="priority"><xsl:value-of select="sitemap:priority" /></td>
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</xsl:if>
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</tr>
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</xsl:for-each>
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</tbody>
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</table>
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</div>
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</div>
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</body>
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</html>
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</xsl:template>
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</xsl:stylesheet>
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XSL;
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/**
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* Filters the content of the sitemap stylesheet.
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*
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* @since 5.5.0
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*
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* @param string $xsl_content Full content for the XML stylesheet.
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*/
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return apply_filters( 'wp_sitemaps_stylesheet_content', $xsl_content );
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}
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/**
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* Returns the escaped XSL for the index sitemaps.
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*
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* @since 5.5.0
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*/
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public function get_sitemap_index_stylesheet() {
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$css = $this->get_stylesheet_css();
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$title = esc_xml( __( 'XML Sitemap' ) );
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$description = esc_xml( __( 'This XML Sitemap is generated by WordPress to make your content more visible for search engines.' ) );
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$learn_more = sprintf(
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'<a href="%s">%s</a>',
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esc_url( __( 'https://www.sitemaps.org/' ) ),
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esc_xml( __( 'Learn more about XML sitemaps.' ) )
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);
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$text = sprintf(
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/* translators: %s: Number of URLs. */
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esc_xml( __( 'Number of URLs in this XML Sitemap: %s.' ) ),
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'<xsl:value-of select="count( sitemap:sitemapindex/sitemap:sitemap )" />'
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);
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$lang = get_language_attributes( 'html' );
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$url = esc_xml( __( 'URL' ) );
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$lastmod = esc_xml( __( 'Last Modified' ) );
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$xsl_content = <<<XSL
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<?xml version="1.0" encoding="UTF-8"?>
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<xsl:stylesheet
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version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9"
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exclude-result-prefixes="sitemap"
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>
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<xsl:output method="html" encoding="UTF-8" indent="yes" />
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<!--
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Set variables for whether lastmod occurs for any sitemap in the index.
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We do this up front because it can be expensive in a large sitemap.
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-->
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<xsl:variable name="has-lastmod" select="count( /sitemap:sitemapindex/sitemap:sitemap/sitemap:lastmod )" />
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<xsl:template match="/">
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<html {$lang}>
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<head>
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<title>{$title}</title>
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<style>
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{$css}
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</style>
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</head>
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<body>
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<div id="sitemap">
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<div id="sitemap__header">
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<h1>{$title}</h1>
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<p>{$description}</p>
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<p>{$learn_more}</p>
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</div>
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<div id="sitemap__content">
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<p class="text">{$text}</p>
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<table id="sitemap__table">
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<thead>
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<tr>
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<th class="loc">{$url}</th>
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<xsl:if test="\$has-lastmod">
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<th class="lastmod">{$lastmod}</th>
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</xsl:if>
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</tr>
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</thead>
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<tbody>
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<xsl:for-each select="sitemap:sitemapindex/sitemap:sitemap">
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<tr>
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<td class="loc"><a href="{sitemap:loc}"><xsl:value-of select="sitemap:loc" /></a></td>
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<xsl:if test="\$has-lastmod">
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<td class="lastmod"><xsl:value-of select="sitemap:lastmod" /></td>
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</xsl:if>
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</tr>
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</xsl:for-each>
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</tbody>
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</table>
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</div>
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</div>
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</body>
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</html>
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</xsl:template>
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</xsl:stylesheet>
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XSL;
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/**
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* Filters the content of the sitemap index stylesheet.
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*
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* @since 5.5.0
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*
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* @param string $xsl_content Full content for the XML stylesheet.
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*/
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return apply_filters( 'wp_sitemaps_stylesheet_index_content', $xsl_content );
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}
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/**
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* Gets the CSS to be included in sitemap XSL stylesheets.
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*
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* @since 5.5.0
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*
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* @return string The CSS.
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*/
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public function get_stylesheet_css() {
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$text_align = is_rtl() ? 'right' : 'left';
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$css = <<<EOF
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
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color: #444;
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}
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#sitemap {
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max-width: 980px;
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margin: 0 auto;
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}
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#sitemap__table {
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width: 100%;
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border: solid 1px #ccc;
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border-collapse: collapse;
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}
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#sitemap__table tr td.loc {
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/*
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* URLs should always be LTR.
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* See https://core.trac.wordpress.org/ticket/16834
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* and https://core.trac.wordpress.org/ticket/49949
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*/
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direction: ltr;
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}
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#sitemap__table tr th {
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text-align: {$text_align};
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}
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#sitemap__table tr td,
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#sitemap__table tr th {
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padding: 10px;
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}
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#sitemap__table tr:nth-child(odd) td {
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background-color: #eee;
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}
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a:hover {
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text-decoration: none;
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}
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EOF;
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/**
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* Filters the CSS only for the sitemap stylesheet.
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*
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* @since 5.5.0
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*
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* @param string $css CSS to be applied to default XSL file.
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*/
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return apply_filters( 'wp_sitemaps_stylesheet_css', $css );
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}
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}
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