1 files changed, 166 insertions, 0 deletions
diff --git a/syntax.php b/syntax.php
new file mode 100644
index 0000000..a2a80e1
--- /dev/null
+++ b/syntax.php
@@ -0,0 +1,166 @@
+<?php
+/**
+ * DokuWiki Plugin papers (Syntax Component)
+ *
+ * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
+ * @author  Igor Pashev <pashev.igor@gmail.com>
+ */
+
+// must be run within Dokuwiki
+if (!defined('DOKU_INC')) die();
+
+if (!defined('DOKU_LF')) define('DOKU_LF', "\n");
+if (!defined('DOKU_TAB')) define('DOKU_TAB', "\t");
+if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
+
+global $conf;
+if (!defined('PAPERS_DATADIR')) define('PAPERS_DATADIR', DOKU_INC . $conf['savedir'] . '/media/');
+
+define('PLUGIN_SELF', dirname(__FILE__) . '/');
+
+require_once (DOKU_INC . 'inc/parserutils.php');
+require_once (DOKU_PLUGIN . 'syntax.php');
+require_once (DOKU_PLUGIN . 'papers/bibtex.php');
+
+class syntax_plugin_papers extends DokuWiki_Syntax_Plugin
+{
+    function getType() { return 'protected'; }
+
+    function getPType() { return 'stack'; }
+
+    function getSort() { return 102; }
+
+
+    function connectTo($mode)
+    {
+        $this->Lexer->addEntryPattern('<bibtex(?=.*</bibtex>)', $mode, 'plugin_papers');
+        $this->Lexer->addEntryPattern('<papers(.+?)(?=.*</papers>)', $mode, 'plugin_papers');
+    }
+
+    function postConnect()
+    {
+        $this->Lexer->addExitPattern('</bibtex>', 'plugin_papers');
+        $this->Lexer->addExitPattern('</papers>', 'plugin_papers');
+    }
+
+    function handle($match, $state, $pos, &$handler)
+    {
+        switch ($state)
+        {
+            case DOKU_LEXER_ENTER :
+                return array($state, array());
+ 
+            case DOKU_LEXER_UNMATCHED :
+                $bibtex = new BibtexParserGoga();
+                $bibtex->read_text($match);
+                $bibtex->select();
+                $bibtex->sort();
+                return array($state, $bibtex);
+        
+            case DOKU_LEXER_EXIT :
+                return array($state, '');
+        }
+        return array();
+    }
+
+    function render($mode, &$renderer, $data)
+    {
+        if ($mode != 'xhtml') return false;
+        list($state, $bibtex) = $data;
+        switch ($state)
+        {
+            case DOKU_LEXER_ENTER: 
+                break;
+
+            case DOKU_LEXER_UNMATCHED:
+                $renderer->doc .= $this->format_bibtex($bibtex);
+                break;
+
+            case DOKU_LEXER_EXIT :
+                break;
+        }
+        return true;
+    }
+
+    function wikirender($text)
+    {
+        return p_render('xhtml', p_get_instructions($text), $info);
+    }
+
+
+    function format_bibtex(&$bibtex)
+    {
+        $res = '';
+        $year = '';
+        $year_prev = '';
+        $type = '';
+        $type_prev = '';
+        $in_list = false;
+        foreach ($bibtex->SELECTION as &$entry)
+        {
+            preg_match('/(\d{4})/u', $entry['year'], $matches);
+            $year = $matches[1];
+            if ($year < $this->getConf('year_min'))
+                break;
+
+            if ($year !== $year_prev)
+            {
+                if ($in_list)
+                {
+                    $res .= "</ol>\n";
+                    $in_list = false;
+                }
+
+                $year_prev = $year;
+                $type_prev = '';
+                $res .= $this->wikirender('===== ' . $year . ' ' . $this->getLang('year') . '  =====');
+            }
+
+            $type = $entry['entry'];
+            if ($type !== $type_prev)
+            {
+                if ($in_list)
+                {
+                    $res .= "</ol>\n";
+                    $in_list = false;
+                }
+
+                $type_prev = $type;
+                $res .= $this->wikirender('==== ' . $this->getLang($type) . '  ====');
+            }
+
+            if (!$in_list)
+            {
+                $res .= "<ol>\n";
+                $in_list = true;
+            }
+            $res .= '<li class="level1"><div class="li" style="padding:0.3em;">' . $entry['html'];
+            
+            $links = array();
+            foreach ($this->getConf('filetypes') as $type)
+            {
+                $file = $this->getConf('papers_ns') . '/' . $entry['id'] . '.' . mb_strtolower($type);
+                if (file_exists(PAPERS_DATADIR . $file))
+                {
+                    $size = round(filesize(PAPERS_DATADIR . $file) / 1024) . ' ' . $this->getLang('KiB');
+                    $links[] = '{{:' . preg_replace('/\//u', ':', $file) . "|$type $size}}";
+                }
+            }
+            if (!empty($links))
+            {
+                $link_text = $this->wikirender('(' . implode(' | ', $links) . ')');
+                $link_text = preg_replace('/<\/?p>/u', '', $link_text);
+                $link_text = preg_replace('/\s+(\d+)\s+/u', '&nbsp;\1&nbsp;', $link_text);
+                $res .= '<span class="noprint">' . $link_text . '</span>';
+            }
+            $res .=  "</div></li>\n";
+        }
+
+
+        $res .= "</ol>\n";
+        return $res;
+    }
+}
+
+// vim:ts=4:sw=4:et:enc=utf-8:
+