diff options
Diffstat (limited to 'plugins/jetpack/modules/sitemaps/sitemap-buffer-image.php')
-rw-r--r-- | plugins/jetpack/modules/sitemaps/sitemap-buffer-image.php | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/sitemaps/sitemap-buffer-image.php b/plugins/jetpack/modules/sitemaps/sitemap-buffer-image.php new file mode 100644 index 00000000..e452fcbf --- /dev/null +++ b/plugins/jetpack/modules/sitemaps/sitemap-buffer-image.php @@ -0,0 +1,68 @@ +<?php +/** + * Sitemaps (per the protocol) are essentially lists of XML fragments; + * lists which are subject to size constraints. The Jetpack_Sitemap_Buffer_Image + * extends the Jetpack_Sitemap_Buffer class to represent the single image sitemap + * buffer. + * + * @since 5.3.0 + * @package Jetpack + */ + +/** + * A buffer for constructing sitemap image xml files. + * + * @since 5.3.0 + */ +class Jetpack_Sitemap_Buffer_Image extends Jetpack_Sitemap_Buffer { + + public function __construct( $item_limit, $byte_limit, $time = '1970-01-01 00:00:00' ) { + parent::__construct( $item_limit, $byte_limit, $time ); + + $this->doc->appendChild( + $this->doc->createComment( "generator='jetpack-" . JETPACK__VERSION . "'" ) + ); + + $this->doc->appendChild( + $this->doc->createProcessingInstruction( + 'xml-stylesheet', + 'type="text/xsl" href="' . $this->finder->construct_sitemap_url( 'image-sitemap.xsl' ) . '"' + ) + ); + } + + protected function get_root_element() { + if ( ! isset( $this->root ) ) { + + /** + * Filter the XML namespaces included in image sitemaps. + * + * @module sitemaps + * + * @since 4.8.0 + * + * @param array $namespaces Associative array with namespaces and namespace URIs. + */ + $namespaces = apply_filters( + 'jetpack_sitemap_image_ns', + array( + 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance', + 'xsi:schemaLocation' => 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd', + 'xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9', + 'xmlns:image' => 'http://www.google.com/schemas/sitemap-image/1.1', + ) + ); + + $this->root = $this->doc->createElement( 'urlset' ); + + foreach ( $namespaces as $name => $value ) { + $this->root->setAttribute( $name, $value ); + } + + $this->doc->appendChild( $this->root ); + $this->byte_capacity -= strlen( $this->doc->saveXML( $this->root ) ); + } + + return $this->root; + } +} |