add contents

lib/plugins/nspages/namespaceFinder.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * Plugin nspages : Displays nicely a list of the pages of a namespace
+ *
+ * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author  Guillaume Turri <guillaume.turri@gmail.com>
+ */
+if(!defined('DOKU_INC')) die();
+
+class namespaceFinder {
+    private $wantedNs;
+    private $isSafe;
+
+    function __construct($path){
+        $this->wantedNs = $this->computeWantedNs($path);
+        $this->sanitizeNs();
+    }
+
+    private function computeWantedNs($path){
+        global $ID;
+        $result = '';
+        $wantedNS = trim($path);
+        if($wantedNS == '') {
+            $wantedNS = $this->getCurrentNamespace();
+        }
+        if( $this->isRelativePath($wantedNS) ) {
+            $result = getNS($ID);
+        }
+        $result .= ':'.$wantedNS.':';
+        return $result;
+    }
+
+    private function getCurrentNamespace(){
+        return '.';
+    }
+
+    private function isRelativePath($path){
+        return $path[0] == '.';
+    }
+
+    /**
+     * Get rid of '..'.
+     * Therefore, provides a ns which passes the cleanid() function,
+     */
+    private function sanitizeNs(){
+        $ns = explode(':', $this->wantedNs);
+
+        for($i = 0; $i < count($ns); $i++) {
+            if($ns[$i] === '' || $ns[$i] === '.') {
+                array_splice($ns, $i, 1);
+                $i--;
+            } else if($ns[$i] == '..') {
+                if($i == 0) {
+                    //the first can't be '..', to stay inside 'data/pages'
+                    break;
+                } else {
+                    //simplify the path, getting rid of 'ns:..'
+                    array_splice($ns, $i - 1, 2);
+                    $i -= 2;
+                }
+            }
+        }
+
+        $this->isSafe = ($ns[0] != '..');
+        $this->wantedNs = implode(':', $ns);
+    }
+
+    function getWantedNs(){
+        return $this->wantedNs;
+    }
+
+    function isNsSafe(){
+        return $this->isSafe;
+    }
+
+    function getWantedDirectory(){
+        return utf8_encodeFN(str_replace(':', '/', $this->wantedNs));
+    }
+}