X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/76aea3697c6043c1613370f172395b4f65ee71f0..a7cd4c052013b423c6301153f68c7fdbaa2a447b:/wp-includes/class.wp-styles.php

diff --git a/wp-includes/class.wp-styles.php b/wp-includes/class.wp-styles.php
index 8533943c..eb160670 100644
--- a/wp-includes/class.wp-styles.php
+++ b/wp-includes/class.wp-styles.php
@@ -1,71 +1,241 @@
 <?php
-
+/**
+ * BackPress Styles enqueue.
+ *
+ * These classes were refactored from the WordPress WP_Scripts and WordPress
+ * script enqueue API.
+ *
+ * @package BackPress
+ * @since r74
+ */
+
+/**
+ * BackPress Styles enqueue class.
+ *
+ * @package BackPress
+ * @uses WP_Dependencies
+ * @since r74
+ */
 class WP_Styles extends WP_Dependencies {
-	var $base_url;
-	var $default_version;
-	var $text_direction = 'ltr';
-
-	function __construct() {
+	public $base_url;
+	public $content_url;
+	public $default_version;
+	public $text_direction = 'ltr';
+	public $concat = '';
+	public $concat_version = '';
+	public $do_concat = false;
+	public $print_html = '';
+	public $print_code = '';
+	public $default_dirs;
+
+	public function __construct() {
+		/**
+		 * Fires when the WP_Styles instance is initialized.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param WP_Styles &$this WP_Styles instance, passed by reference.
+		 */
 		do_action_ref_array( 'wp_default_styles', array(&$this) );
 	}
 
-	function do_item( $handle ) {
+	/**
+	 * @param string $handle
+	 * @return bool
+	 */
+	public function do_item( $handle ) {
 		if ( !parent::do_item($handle) )
 			return false;
 
-		$ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
+		$obj = $this->registered[$handle];
+		if ( null === $obj->ver )
+			$ver = '';
+		else
+			$ver = $obj->ver ? $obj->ver : $this->default_version;
+
 		if ( isset($this->args[$handle]) )
-			$ver .= '&amp;' . $this->args[$handle];
+			$ver = $ver ? $ver . '&amp;' . $this->args[$handle] : $this->args[$handle];
+
+		if ( $this->do_concat ) {
+			if ( $this->in_default_dir($obj->src) && !isset($obj->extra['conditional']) && !isset($obj->extra['alt']) ) {
+				$this->concat .= "$handle,";
+				$this->concat_version .= "$handle$ver";
 
-		if ( isset($this->registered[$handle]->args) )
-			$media = attribute_escape( $this->registered[$handle]->args );
+				$this->print_code .= $this->print_inline_style( $handle, false );
+
+				return true;
+			}
+		}
+
+		if ( isset($obj->args) )
+			$media = esc_attr( $obj->args );
 		else
 			$media = 'all';
 
-		$href = $this->_css_href( $this->registered[$handle]->src, $ver, $handle );
+		$href = $this->_css_href( $obj->src, $ver, $handle );
+		if ( empty( $href ) ) {
+			// Turns out there is nothing to print.
+			return true;
+		}
+		$rel = isset($obj->extra['alt']) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet';
+		$title = isset($obj->extra['title']) ? "title='" . esc_attr( $obj->extra['title'] ) . "'" : '';
+
+		/**
+		 * Filter the HTML link tag of an enqueued style.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param string         The link tag for the enqueued style.
+		 * @param string $handle The style's registered handle.
+		 */
+		$tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle );
+		if ( 'rtl' === $this->text_direction && isset($obj->extra['rtl']) && $obj->extra['rtl'] ) {
+			if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) {
+				$suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : '';
+				$rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $obj->src , $ver, "$handle-rtl" ));
+			} else {
+				$rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" );
+			}
+
+			/** This filter is documented in wp-includes/class.wp-styles.php */
+			$rtl_tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-rtl-css' $title href='$rtl_href' type='text/css' media='$media' />\n", $handle );
+
+			if ( $obj->extra['rtl'] === 'replace' ) {
+				$tag = $rtl_tag;
+			} else {
+				$tag .= $rtl_tag;
+			}
+		}
+
+		if ( isset($obj->extra['conditional']) && $obj->extra['conditional'] ) {
+			$tag = "<!--[if {$obj->extra['conditional']}]>\n" . $tag . "<![endif]-->\n";
+		}
 
-		$end_cond = '';
-		if ( isset($this->registered[$handle]->extra['conditional']) && $this->registered[$handle]->extra['conditional'] ) {
-			echo "<!--[if {$this->registered[$handle]->extra['conditional']}]>\n";
-			$end_cond = "<![endif]-->\n";
+		if ( $this->do_concat ) {
+			$this->print_html .= $tag;
+			if ( $inline_style = $this->print_inline_style( $handle, false ) )
+				$this->print_html .= sprintf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $inline_style );
+		} else {
+			echo $tag;
+			$this->print_inline_style( $handle );
 		}
 
-		echo apply_filters( 'style_loader_tag', "<link rel='stylesheet' href='$href' type='text/css' media='$media' />\n", $handle );
-		if ( 'rtl' === $this->text_direction && isset($this->registered[$handle]->extra['rtl']) && $this->registered[$handle]->extra['rtl'] ) {
-			if ( is_bool( $this->registered[$handle]->extra['rtl'] ) )
-				$rtl_href = str_replace( '.css', '-rtl.css', $href );
-			else
-				$rtl_href = $this->_css_href( $this->registered[$handle]->extra['rtl'], $ver, "$handle-rtl" );
+		return true;
+	}
 
-			echo apply_filters( 'style_loader_tag', "<link rel='stylesheet' href='$rtl_href' type='text/css' media='$media' />\n", $handle );
+	/**
+	 * @param string $handle
+	 * @param string $code
+	 */
+	public function add_inline_style( $handle, $code ) {
+		if ( ! $code ) {
+			return false;
 		}
 
-		echo $end_cond;
+		$after = $this->get_data( $handle, 'after' );
+		if ( ! $after ) {
+			$after = array();
+		}
 
-		// Could do something with $this->registered[$handle]->extra here to print out extra CSS rules
-//		echo "<style type='text/css'>\n";
-//		echo "/* <![CDATA[ */\n";
-//		echo "/* ]]> */\n";
-//		echo "</style>\n";
+		$after[] = $code;
+
+		return $this->add_data( $handle, 'after', $after );
+	}
+
+	/**
+	 * @param string $handle
+	 * @param bool $echo
+	 * @return bool
+	 */
+	public function print_inline_style( $handle, $echo = true ) {
+		$output = $this->get_data( $handle, 'after' );
+
+		if ( empty( $output ) ) {
+			return false;
+		}
+
+		$output = implode( "\n", $output );
+
+		if ( ! $echo ) {
+			return $output;
+		}
+
+		printf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $output );
 
 		return true;
 	}
 
-	function all_deps( $handles, $recursion = false ) {
+	/**
+	 * @param mixed $handles
+	 * @param bool $recursion
+	 * @param mixed $group
+	 * @return bool
+	 */
+	public function all_deps( $handles, $recursion = false, $group = false ) {
 		$r = parent::all_deps( $handles, $recursion );
-		if ( !$recursion )
+		if ( !$recursion ) {
+			/**
+			 * Filter the array of enqueued styles before processing for output.
+			 *
+			 * @since 2.6.0
+			 *
+			 * @param array $to_do The list of enqueued styles about to be processed.
+			 */
 			$this->to_do = apply_filters( 'print_styles_array', $this->to_do );
+		}
 		return $r;
 	}
 
-	function _css_href( $src, $ver, $handle ) {
-		if ( !preg_match('|^https?://|', $src) && !preg_match('|^' . preg_quote(WP_CONTENT_URL) . '|', $src) ) {
+	/**
+	 * @param string $src
+	 * @param string $ver
+	 * @param string $handle
+	 * @return string
+	 */
+	public function _css_href( $src, $ver, $handle ) {
+		if ( !is_bool($src) && !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) {
 			$src = $this->base_url . $src;
 		}
 
-		$src = add_query_arg('ver', $ver, $src);
+		if ( !empty($ver) )
+			$src = add_query_arg('ver', $ver, $src);
+
+		/**
+		 * Filter an enqueued style's fully-qualified URL.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param string $src    The source URL of the enqueued style.
+		 * @param string $handle The style's registered handle.
+		 */
 		$src = apply_filters( 'style_loader_src', $src, $handle );
-		return clean_url( $src );
+		return esc_url( $src );
+	}
+
+	/**
+	 * @param string $src
+	 * @return bool
+	 */
+	public function in_default_dir($src) {
+		if ( ! $this->default_dirs )
+			return true;
+
+		foreach ( (array) $this->default_dirs as $test ) {
+			if ( 0 === strpos($src, $test) )
+				return true;
+		}
+		return false;
+	}
+
+	public function do_footer_items() { // HTML 5 allows styles in the body, grab late enqueued items and output them in the footer.
+		$this->do_items(false, 1);
+		return $this->done;
 	}
 
+	public function reset() {
+		$this->do_concat = false;
+		$this->concat = '';
+		$this->concat_version = '';
+		$this->print_html = '';
+	}
 }