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Diffstat (limited to 'plugins/jetpack/modules/shortcodes.php')
| -rw-r--r-- | plugins/jetpack/modules/shortcodes.php | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/shortcodes.php b/plugins/jetpack/modules/shortcodes.php new file mode 100644 index 00000000..23ed63e1 --- /dev/null +++ b/plugins/jetpack/modules/shortcodes.php @@ -0,0 +1,196 @@ +<?php + +/** + * Module Name: Shortcode Embeds + * Module Description: Shortcodes are WordPress-specific markup that let you add media from popular sites. This feature is no longer necessary as the editor now handles media embeds rather gracefully. + * Sort Order: 3 + * First Introduced: 1.1 + * Major Changes In: 1.2 + * Requires Connection: No + * Auto Activate: No + * Module Tags: Photos and Videos, Social, Writing, Appearance + * Feature: Writing + * Additional Search Queries: shortcodes, shortcode, embeds, media, bandcamp, dailymotion, facebook, flickr, google calendars, google maps, google+, polldaddy, recipe, recipes, scribd, slideshare, slideshow, slideshows, soundcloud, ted, twitter, vimeo, vine, youtube + */ + +/** + * Transforms the $atts array into a string that the old functions expected + * + * The old way was: + * [shortcode a=1&b=2&c=3] or [shortcode=1] + * This is parsed as array( a => '1&b=2&c=3' ) and array( 0 => '=1' ), which is useless + * + * @param array $params Array of old shortcode parameters. + * @param bool $old_format_support true if [shortcode=foo] format is possible. + * + * @return string $params + */ +function shortcode_new_to_old_params( $params, $old_format_support = false ) { + $str = ''; + + if ( $old_format_support && isset( $params[0] ) ) { + $str = ltrim( $params[0], '=' ); + } elseif ( is_array( $params ) ) { + foreach ( array_keys( $params ) as $key ) { + if ( ! is_numeric( $key ) ) { + $str = $key . '=' . $params[ $key ]; + } + } + } + + return str_replace( array( '&', '&' ), '&', $str ); +} + +/** + * Load all available Jetpack shortcode files. + */ +function jetpack_load_shortcodes() { + $shortcode_includes = array(); + + foreach ( Jetpack::glob_php( dirname( __FILE__ ) . '/shortcodes' ) as $file ) { + $filename = substr( basename( $file ), 0, -4 ); + + $shortcode_includes[ $filename ] = $file; + } + + /** + * This filter allows other plugins to override which shortcodes Jetpack loads. + * + * Fires as part of the `plugins_loaded` WP hook, so modifying code needs to be in a plugin, not in a theme's functions.php. + * + * @module shortcodes + * + * @since 2.2.1 + * @since 4.2.0 Added filename without extension as array key. + * + * @param array $shortcode_includes An array of which shortcodes to include. + */ + $shortcode_includes = apply_filters( 'jetpack_shortcodes_to_include', $shortcode_includes ); + + foreach ( $shortcode_includes as $include ) { + include_once $include; + } +} + +/** + * Runs preg_replace so that replacements don't happen within open tags. + * Parameters are the same as preg_replace, with an added optional search param for improved performance + * + * @param string $pattern Pattern to search for. + * @param string $replacement String to replace. + * @param string $content Post content. + * @param string $search String to search for. + * + * @return string $content Replaced post content. + */ +function jetpack_preg_replace_outside_tags( $pattern, $replacement, $content, $search = null ) { + if ( $search && false === strpos( $content, $search ) ) { + return $content; + } + + $textarr = wp_html_split( $content ); + unset( $content ); + foreach ( $textarr as &$element ) { + if ( '' === $element || '<' === $element{0} ) { + continue; + } + $element = preg_replace( $pattern, $replacement, $element ); + } + + return join( $textarr ); +} + +/** + * Runs preg_replace_callback so that replacements don't happen within open tags. + * Parameters are the same as preg_replace, with an added optional search param for improved performance. + * + * @param string $pattern Pattern to search for. + * @param string $callback Callback returning the replacement string. + * @param string $content Post content. + * @param string $search String to search for. + * + * @return string $content Replaced post content. + */ +function jetpack_preg_replace_callback_outside_tags( $pattern, $callback, $content, $search = null ) { + if ( $search && false === strpos( $content, $search ) ) { + return $content; + } + + $textarr = wp_html_split( $content ); + unset( $content ); + foreach ( $textarr as &$element ) { + if ( '' === $element || '<' === $element{0} ) { + continue; + } + $element = preg_replace_callback( $pattern, $callback, $element ); + } + + return join( $textarr ); +} + +if ( ! function_exists( 'jetpack_shortcode_get_wpvideo_id' ) ) { + /** + * Get VideoPress ID from wpvideo shortcode attributes. + * + * @param array $atts Shortcode attributes. + * @return int $id VideoPress ID. + */ + function jetpack_shortcode_get_wpvideo_id( $atts ) { + if ( isset( $atts[0] ) ) { + return $atts[0]; + } else { + return 0; + } + } +} + +if ( ! function_exists( 'jetpack_shortcode_get_videopress_id' ) ) { + /** + * Get VideoPress ID from videopress shortcode attributes. + * + * @param array $atts Shortcode attributes. + * @return int $id VideoPress ID. + */ + function jetpack_shortcode_get_videopress_id( $atts ) { + if ( isset( $atts[0] ) ) { + return $atts[0]; + } else { + return 0; + } + } +} + +/** + * Common element attributes parsing and sanitizing for src, width and height. + * + * @since 4.5.0 + * + * @param array $attrs With original values. + * + * @return array $attrs With sanitized values. + */ +function wpcom_shortcodereverse_parseattr( $attrs ) { + $defaults = array( + 'src' => false, + 'width' => false, + 'height' => false, + ); + + $attrs = shortcode_atts( $defaults, $attrs ); + + $attrs['src'] = strip_tags( $attrs['src'] ); // For sanity + $attrs['width'] = ( is_numeric( $attrs['width'] ) ) ? abs( intval( $attrs['width'] ) ) : $defaults['width']; + $attrs['height'] = ( is_numeric( $attrs['height'] ) ) ? abs( intval( $attrs['height'] ) ) : $defaults['height']; + + return $attrs; +} + +/** + * When an embed service goes away, we can use this handler + * to output a link for history's sake. + */ +function jetpack_deprecated_embed_handler( $matches, $attr, $url ) { + return sprintf( '<a href="%s">%s</a>', esc_url( $url ), esc_html( esc_url( $url ) ) ); +} + +jetpack_load_shortcodes(); |