BugTrack/560 Get timestamps of tracker_list pages from cache

[pukiwiki/pukiwiki.git] / lib / make_link.php

diff --git a/lib/make_link.php b/lib/make_link.php
index 3a4f409..d338c52 100644 (file)
--- a/lib/make_link.php
+++ b/lib/make_link.php
@@ -2,12 +2,29 @@
 // PukiWiki - Yet another WikiWikiWeb clone.
 // make_link.php
 // Copyright
-//   2003-2017 PukiWiki Development Team
+//   2003-2018 PukiWiki Development Team
 //   2001-2002 Originally written by yu-ji
 // License: GPL v2 or (at your option) any later version
 //
 // Hyperlink-related functions
 
+// To get page exists or filetimes without accessing filesystem
+// Type: array (page => filetime)
+$_cached_page_filetime = null;
+
+// Get filetime from cache
+function fast_get_filetime($page)
+{
+       global $_cached_page_filetime;
+       if (is_null($_cached_page_filetime)) {
+               return get_filetime($page);
+       }
+       if (isset($_cached_page_filetime[$page])) {
+               return $_cached_page_filetime[$page];
+       }
+       return get_filetime($page);
+}
+
 // Hyperlink decoration
 function make_link($string, $page = '')
 {
@@ -763,12 +780,14 @@ function make_pagelink($page, $alias = '', $anchor = '', $refer = '', $isautolin
        $r_page  = pagename_urlencode($page);
        $r_refer = ($refer == '') ? '' : '&refer=' . rawurlencode($refer);
 
-       if (! isset($related[$page]) && $page !== $vars['page'] && is_page($page))
-               $related[$page] = get_filetime($page);
+       $page_filetime = fast_get_filetime($page);
+       $is_page = $page_filetime !== 0;
+       if (! isset($related[$page]) && $page !== $vars['page'] && is_page)
+               $related[$page] = $page_filetime;
 
-       if ($isautolink || is_page($page)) {
+       if ($isautolink || $is_page) {
                // Hyperlink to the page
-               $attrs = get_page_link_a_attrs($page);
+               $attrs = get_filetime_a_attrs($page_filetime);
                // AutoLink marker
                if ($isautolink) {
                        $al_left  = '<!--autolink-->';