/** * Process links in content * @global obj $wpdb DB instance * @global obj $post Current post * @param string $content Text containing links * @param string (optional) $group Group to add links to (Default: none) * @return string Content with processed links */ function process_links($content, $group = null) { //Validate if (!is_string($content) || empty($content) || !!$this->widget_processing && !$this->options->get_bool('enabled_widget')) { return $content; } //Extract links $links = $this->get_links($content, true); //Do not process content without links if (empty($links)) { return $content; } //Process links $protocol = array('http://', 'https://'); $uri_home = strtolower(home_url()); $domain = str_replace($protocol, '', $uri_home); $qv_att = 'attachment_id'; //Setup group properties $g_props = (object) array('enabled' => $this->options->get_bool('group_links'), 'attr' => 'group', 'base' => '', 'legacy_prefix' => 'lightbox[', 'legacy_suffix' => ']'); if ($g_props->enabled) { $g_props->base = is_scalar($group) ? trim(strval($group)) : ''; } //Initialize content handlers if (!$this->handlers instanceof SLB_Content_Handlers) { $this->handlers = new SLB_Content_Handlers($this); } //Iterate through and activate supported links $uri_proto = array('raw' => '', 'source' => ''); foreach ($links as $link) { //Init vars $pid = 0; $link_new = $link; $internal = false; $q = null; $uri = (object) $uri_proto; $type = false; $props_extra = array(); //Parse link attributes $attrs = $this->util->parse_attribute_string($link_new, array('href' => '')); //Get URI $uri->raw = $uri->source = $attrs['href']; //Stop processing invalid links if (!$this->validate_uri($uri->raw) || $this->has_attribute($attrs, 'active', false)) { continue; } //Check if item links to internal media (attachment) if (0 === strpos($uri->raw, '/')) { //Relative URIs are always internal $internal = true; $uri->source = $uri_home . $uri->raw; } else { //Absolute URI $uri_dom = str_replace($protocol, '', strtolower($uri->raw)); if (strpos($uri_dom, $domain) === 0) { $internal = true; } unset($uri_dom); } //Get source URI (e.g. attachments) if ($internal && is_local_attachment($uri->source)) { $pid = url_to_postid($uri->source); $src = wp_get_attachment_url($pid); if (!!$src) { $uri->source = $src; $props_extra['id'] = $pid; } unset($src); } /* Determine content type */ //Check if URI has already been processed if ($this->media_item_cached($uri->source)) { $i = $this->get_cached_media_item($uri->source); $type = $i->type; } else { //Get handler match $hdl_result = $this->handlers->match($uri->source); if (!!$hdl_result->handler) { $type = $hdl_result->handler->get_id(); $props_extra = $hdl_result->props; //Updated source URI if (isset($props_extra['uri'])) { $uri->source = $props_extra['uri']; unset($props_extra['uri']); } } } //Stop processing if link type not valid if (!$type) { //Cache $this->validated_uris[$uri->raw] = false; continue; } //Set group (if enabled) if ($g_props->enabled) { $group = array(); //Get preset group attribute $g = $this->has_attribute($attrs, $g_props->attr) ? $this->get_attribute($attrs, $g_props->attr) : ''; if (is_string($g) && ($g = trim($g)) && !empty($g)) { $group[] = $g; } elseif (!empty($g_props->base)) { $group[] = $g_props->base; } $group = $this->util->apply_filters('get_group_id', $group); //Default group if (empty($group) || !is_array($group)) { $group = $this->get_prefix(); } else { $group = implode('_', $group); } //Set group attribute $this->set_attribute($attrs, $g_props->attr, $group); unset($g); } //Activate link $this->set_attribute($attrs, 'active'); //Process internal links if ($internal) { //Mark as internal $this->set_attribute($attrs, 'internal', $pid); } //Cache item attributes $this->cache_media_item($uri, $type, $internal, $props_extra); //Filter attributes $attrs = $this->util->apply_filters('process_link_attributes', $attrs); //Update link in content $link_new = '<a ' . $this->util->build_attribute_string($attrs) . '>'; $content = str_replace($link, $link_new, $content); } //Handle widget content if (!!$this->widget_processing && 'the_content' == current_filter()) { $content = $this->exclude_wrap($content); } return $content; }
/** * Initialize default handlers * @param SLB_Content_Handlers $handlers Handlers controller */ public function init_defaults($handlers) { $src_base = $this->util->get_file_url('content-handlers', true); $js_path = 'js/'; $js_path .= SLB_DEV ? 'dev' : 'prod'; $defaults = array('image' => array('match' => $this->m('match_image'), 'scripts' => array(array('base', "{$src_base}/image/{$js_path}/handler.image.js")))); foreach ($defaults as $id => $props) { $handlers->add($id, $props); } }
/** * Process links in content * @global obj $wpdb DB instance * @global obj $post Current post * @param string $content Text containing links * @param string (optional) $group Group to add links to (Default: none) * @return string Content with processed links */ protected function process_links($content, $group = null) { // Extract links $links = $this->get_links($content, true); // Do not process content without links if (empty($links)) { return $content; } // Process links static $protocol = array('http://', 'https://'); static $qv_att = 'attachment_id'; static $uri_origin = null; if (!is_array($uri_origin)) { $uri_parts = array_fill_keys(array('scheme', 'host', 'path'), ''); $uri_origin = wp_parse_args(parse_url(strtolower(home_url())), $uri_parts); } static $uri_proto = null; if (empty($uri_proto)) { $uri_proto = (object) array('raw' => '', 'source' => '', 'parts' => ''); } $uri_parts_required = array('host' => ''); // Setup group properties $g_props = (object) array('enabled' => $this->options->get_bool('group_links'), 'attr' => 'group', 'base' => '', 'legacy_prefix' => 'lightbox[', 'legacy_suffix' => ']'); if ($g_props->enabled) { $g_props->base = is_scalar($group) ? trim(strval($group)) : ''; } // Initialize content handlers if (!$this->handlers instanceof SLB_Content_Handlers) { $this->handlers = new SLB_Content_Handlers($this); } // Iterate through and activate supported links foreach ($links as $link) { // Init vars $pid = 0; $link_new = $link; $uri = clone $uri_proto; $type = false; $props_extra = array(); $key = null; $internal = false; // Parse link attributes $attrs = $this->util->parse_attribute_string($link_new, array('href' => '')); // Get URI $uri->raw = $attrs['href']; // Stop processing invalid links if (!$this->validate_uri($uri->raw) || $this->has_attribute($attrs, 'active', false)) { continue; } // Normalize URI (make absolute) $uri->source = WP_HTTP::make_absolute_url($uri->raw, $uri_origin['scheme'] . '://' . $uri_origin['host']); // URI cached? $key = $this->get_media_item_id($uri->source); // Internal URI? (e.g. attachments) if (!$key) { $uri->parts = array_merge($uri_parts_required, (array) parse_url($uri->source)); $internal = $uri->parts['host'] === $uri_origin['host'] ? true : false; // Attachment? if ($internal && is_local_attachment($uri->source)) { $pid = url_to_postid($uri->source); $src = wp_get_attachment_url($pid); if (!!$src) { $uri->source = $src; $props_extra['id'] = $pid; // Check cache for attachment source URI $key = $this->get_media_item_id($uri->source); } unset($src); } } // Determine content type if (!$key) { // Get handler match $hdl_result = $this->handlers->match($uri->source); if (!!$hdl_result->handler) { $type = $hdl_result->handler->get_id(); $props_extra = $hdl_result->props; // Updated source URI if (isset($props_extra['uri'])) { $uri->source = $props_extra['uri']; unset($props_extra['uri']); } } // Cache valid item if (!!$type) { $key = $this->cache_media_item($uri, $type, $internal, $props_extra); } } // Stop processing invalid links if (!$key) { // Cache invalid URI $this->validated_uris[$uri->source] = false; if ($uri->raw !== $uri->source) { $this->validated_uris[$uri->raw] = false; } continue; } // Activate link $this->set_attribute($attrs, 'active'); $this->set_attribute($attrs, 'asset', $key); // Mark internal links if ($internal) { $this->set_attribute($attrs, 'internal', $pid); } // Set group (if enabled) if ($g_props->enabled) { $group = array(); // Get preset group attribute $g = $this->has_attribute($attrs, $g_props->attr) ? $this->get_attribute($attrs, $g_props->attr) : ''; if (is_string($g) && ($g = trim($g)) && !empty($g)) { $group[] = $g; } elseif (!empty($g_props->base)) { $group[] = $g_props->base; } $group = $this->util->apply_filters('get_group_id', $group); // Default group if (empty($group) || !is_array($group)) { $group = $this->get_prefix(); } else { $group = implode('_', $group); } // Set group attribute $this->set_attribute($attrs, $g_props->attr, $group); unset($g); } // Filter attributes $attrs = $this->util->apply_filters('process_link_attributes', $attrs); // Update link in content $link_new = '<a ' . $this->util->build_attribute_string($attrs) . '>'; $content = str_replace($link, $link_new, $content); } // Handle widget content if (!!$this->widget_processing && 'the_content' == current_filter()) { $content = $this->exclude_wrap($content); } return $content; }