Initial commit

plugins/jetpack/modules/shortcodes.php

@@ -0,0 +1,159 @@
+<?php
+
+/**
+ * Module Name: Shortcode Embeds
+ * Module Description: Embed content from YouTube, Vimeo, SlideShare, and more, no coding necessary.
+ * Sort Order: 3
+ * First Introduced: 1.1
+ * Major Changes In: 1.2
+ * Requires Connection: No
+ * Auto Activate: Yes
+ * Module Tags: Photos and Videos, Social, Writing, Appearance
+ * Additional Search Queries: shortcodes, shortcode, embeds, media, bandcamp, blip.tv, dailymotion, digg, 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
+ * @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( '&amp;', '&#038;' ), '&', $str );
+}
+
+function jetpack_load_shortcodes() {
+	global $wp_version;
+
+	$shortcode_includes = array();
+
+	foreach ( Jetpack::glob_php( dirname( __FILE__ ) . '/shortcodes' ) as $file ) {
+		$shortcode_includes[] = $file;
+	}
+
+/**
+ * This filter allows other plugins to override which shortcodes Jetpack loads.
+ *
+ * @module shortcodes
+ *
+ * @since 2.2.1
+ *
+ * @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 ) {
+		if ( version_compare( $wp_version, '3.6-z', '>=' ) && stristr( $include, 'audio.php' ) ) {
+			continue;
+		}
+
+		include $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
+ * @param String $replacement
+ * @param String $content
+ * @param String $search
+ * @return String $content
+ */
+function jetpack_preg_replace_outside_tags( $pattern, $replacement, $content, $search = null ) {
+	if( ! function_exists( 'wp_html_split' ) ) {
+		return $content;
+	}
+
+	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
+ * @param String $replacement
+ * @param String $content
+ * @param String $search
+ * @return String $content
+ */
+function jetpack_preg_replace_callback_outside_tags( $pattern, $callback, $content, $search = null ) {
+	if( ! function_exists( 'wp_html_split' ) ) {
+		return $content;
+	}
+
+	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 );
+}
+
+global $wp_version;
+
+if ( version_compare( $wp_version, '3.6-z', '>=' ) ) {
+	add_filter( 'shortcode_atts_audio', 'jetpack_audio_atts_handler', 10, 3 );
+
+	function jetpack_audio_atts_handler( $out, $pairs, $atts ) {
+		if( isset( $atts[0] ) )
+			$out['src'] = $atts[0];
+
+		return $out;
+	}
+
+	function jetpack_shortcode_get_audio_id( $atts ) {
+		if ( isset( $atts[ 0 ] ) )
+			return $atts[ 0 ];
+		else
+			return 0;
+	}
+}
+
+if ( ! function_exists( 'jetpack_shortcode_get_wpvideo_id' ) ) {
+	function jetpack_shortcode_get_wpvideo_id( $atts ) {
+		if ( isset( $atts[ 0 ] ) )
+			return $atts[ 0 ];
+		else
+			return 0;
+	}
+}
+
+jetpack_load_shortcodes();