PHP Files::is_stream方法代码示例

 if (is_object($anchor)) {
     $context['text'] .= $anchor->get_prefix();
 }
 // if we have a local file
 if (!isset($item['file_href']) || !$item['file_href']) {
     // where the file is
     $path = $context['path_to_root'] . Files::get_path($item['anchor']) . '/' . rawurlencode(utf8::to_ascii($item['file_name']));
     //load some file parser if one is available
     $analyzer = NULL;
     if (is_readable($context['path_to_root'] . 'included/getid3/getid3.php')) {
         include_once $context['path_to_root'] . 'included/getid3/getid3.php';
         $analyzer = new getid3();
     }
     // parse file content, and streamline information
     $data = array();
     if (is_object($analyzer) && Files::is_stream($item['file_name'])) {
         $data = $analyzer->analyze($path);
         getid3_lib::CopyTagsToComments($data);
     }
     // details
     $rows = array();
     // artist
     if ($value = @implode(' & ', @$data['comments_html']['artist'])) {
         $rows[] = array(i18n::s('Artist'), $value);
     }
     // title
     if ($value = @implode(', ', @$data['comments_html']['title'])) {
         $rows[] = array(i18n::s('Title'), $value);
     }
     // genre
     if ($value = @implode(', ', @$data['comments_html']['genre'])) {

 /**
  * list files
  *
  * Recognize following variants:
  * - 'section:123' to list items attached to one particular anchor
  * - 'no_author' to list items attached to one user profile
  *
  * @param resource the SQL result
  * @return string HTML text to be displayed, or NULL
  *
  * @see layouts/layout.php
  **/
 function layout($result)
 {
     global $context;
     // we return some text
     $text = '';
     // empty list
     if (!SQL::count($result)) {
         return $text;
     }
     // sanity check
     if (!isset($this->focus)) {
         $this->focus = '';
     }
     // process all items in the list
     $items = array();
     while ($item = SQL::fetch($result)) {
         // one box at a time
         $box = '';
         // get the main anchor
         $anchor = Anchors::get($item['anchor']);
         // we feature only the head of the list, if we are at the origin page
         if (!count($items) && $anchor && is_string($this->focus) && $this->focus == $anchor->get_reference()) {
             $box .= Codes::render_object('file', $item['id']);
             // no side icon
             $icon = '';
             // we are listing various files from various places
         } else {
             $prefix = $suffix = '';
             // stream the file
             if (Files::is_stream($item['file_name'])) {
                 $url = Files::get_url($item['id'], 'stream', $item['file_name']);
             } else {
                 $url = Files::get_url($item['id'], 'fetch', $item['file_name']);
             }
             // absolute url
             $url = $context['url_to_home'] . $context['url_to_root'] . $url;
             // signal restricted and private files
             if ($item['active'] == 'N') {
                 $prefix .= PRIVATE_FLAG;
             } elseif ($item['active'] == 'R') {
                 $prefix .= RESTRICTED_FLAG;
             }
             // file title or file name
             $label = Codes::beautify_title($item['title']);
             if (!$label) {
                 $label = ucfirst(str_replace(array('%20', '-', '_'), ' ', $item['file_name']));
             }
             // show a reference to the file for members
             $hover = i18n::s('Get the file');
             if (Surfer::is_member()) {
                 $hover .= ' [file=' . $item['id'] . ']';
             }
             // flag files uploaded recently
             if ($item['create_date'] >= $context['fresh']) {
                 $suffix .= NEW_FLAG;
             } elseif ($item['edit_date'] >= $context['fresh']) {
                 $suffix .= UPDATED_FLAG;
             }
             // one line of text
             $box .= $prefix . Skin::build_link($url, $label, 'basic', $hover) . $suffix;
             // side icon
             if ($item['thumbnail_url']) {
                 $icon = $item['thumbnail_url'];
             } else {
                 $icon = $context['url_to_root'] . Files::get_icon_url($item['file_name']);
             }
             // build the complete HTML element
             $icon = '<img src="' . $icon . '" alt="" title="' . encode_field(strip_tags($label)) . '" />';
             // make it a clickable link
             $icon = Skin::build_link($url, $icon, 'basic');
         }
         // first line of details
         $details = array();
         // file poster and last action
         if ($this->layout_variant != 'no_author') {
             $details[] = sprintf(i18n::s('shared by %s %s'), Users::get_link($item['edit_name'], $item['edit_address'], $item['edit_id']), Skin::build_date($item['edit_date']));
         } else {
             $details[] = Skin::build_date($item['edit_date']);
         }
         // downloads
         if ($item['hits'] > 1) {
             $details[] = Skin::build_number($item['hits'], i18n::s('downloads'));
         }
         // file size
         if ($item['file_size'] > 1) {
             $details[] = Skin::build_number($item['file_size'], i18n::s('bytes'));
         }
         // anchor link
//.........这里部分代码省略.........

 /**
  * list files for search requests
  *
  * @param resource the SQL result
  * @return array of resulting items ($score, $summary), or NULL
  *
  * @see layouts/layout.php
  **/
 function layout($result)
 {
     global $context;
     // we return an array of array($score, $summary)
     $items = array();
     // empty list
     if (!SQL::count($result)) {
         return $items;
     }
     // process all items in the list
     while ($item = SQL::fetch($result)) {
         // one box at a time
         $box = '';
         // get the main anchor
         $anchor = Anchors::get($item['anchor']);
         $prefix = $suffix = '';
         // stream the file
         if (Files::is_stream($item['file_name'])) {
             $url = Files::get_url($item['id'], 'stream', $item['file_name']);
         } else {
             $url = Files::get_url($item['id'], 'fetch', $item['file_name']);
         }
         // absolute url
         $url = $context['url_to_home'] . $context['url_to_root'] . $url;
         // signal restricted and private files
         if ($item['active'] == 'N') {
             $prefix .= PRIVATE_FLAG;
         } elseif ($item['active'] == 'R') {
             $prefix .= RESTRICTED_FLAG;
         }
         // file title or file name
         $label = Codes::beautify_title($item['title']);
         if (!$label) {
             $label = ucfirst(str_replace(array('%20', '-', '_'), ' ', $item['file_name']));
         }
         // show a reference to the file for members
         $hover = i18n::s('Get the file');
         if (Surfer::is_member()) {
             $hover .= ' [file=' . $item['id'] . ']';
         }
         // flag files uploaded recently
         if ($item['create_date'] >= $context['fresh']) {
             $suffix .= NEW_FLAG;
         } elseif ($item['edit_date'] >= $context['fresh']) {
             $suffix .= UPDATED_FLAG;
         }
         // one line of text
         $box .= $prefix . Skin::build_link($url, $label, 'basic', $hover) . $suffix;
         // side icon
         if ($item['thumbnail_url']) {
             $icon = $item['thumbnail_url'];
         } else {
             $icon = $context['url_to_root'] . Files::get_icon_url($item['file_name']);
         }
         // build the complete HTML element
         $icon = '<img src="' . $icon . '" alt="" title="' . encode_field(strip_tags($label)) . '" />';
         // make it a clickable link
         $icon = Skin::build_link($url, $icon, 'basic');
         // first line of details
         $details = array();
         // file poster and last action
         $details[] = sprintf(i18n::s('shared by %s %s'), Users::get_link($item['edit_name'], $item['edit_address'], $item['edit_id']), Skin::build_date($item['edit_date']));
         // downloads
         if ($item['hits'] > 1) {
             $details[] = Skin::build_number($item['hits'], i18n::s('downloads'));
         }
         // file size
         if ($item['file_size'] > 1) {
             $details[] = Skin::build_number($item['file_size'], i18n::s('bytes'));
         }
         // file has been detached
         if (isset($item['assign_id']) && $item['assign_id']) {
             // who has been assigned?
             if (Surfer::is($item['assign_id'])) {
                 $details[] = DRAFT_FLAG . sprintf(i18n::s('reserved by you %s'), Skin::build_date($item['assign_date']));
             } else {
                 $details[] = DRAFT_FLAG . sprintf(i18n::s('reserved by %s %s'), Users::get_link($item['assign_name'], $item['assign_address'], $item['assign_id']), Skin::build_date($item['assign_date']));
             }
         }
         // the main anchor link
         if (is_object($anchor)) {
             $details[] = sprintf(i18n::s('in %s'), Skin::build_link($anchor->get_url(), ucfirst($anchor->get_title()), 'article'));
         }
         // append details
         if (count($details)) {
             $box .= '<p class="details">' . Skin::finalize_list($details, 'menu') . '</p>';
         }
         // layout this item
         if ($icon) {
             $list = array(array($box, $icon));
             $items[] = array($item['score'], Skin::finalize_list($list, 'decorated'));
             // put the item in a division
//.........这里部分代码省略.........