Initial commit

core/template/plugins/function.counter.php

@@ -0,0 +1,73 @@
+<?php
+/**
+ * Smarty plugin
+ *
+ * @package    Smarty
+ * @subpackage PluginsFunction
+ */
+
+/**
+ * Smarty {counter} function plugin
+ * Type:     function
+ * Name:     counter
+ * Purpose:  print out a counter value
+ *
+ * @author Monte Ohrt <monte at ohrt dot com>
+ * @link   http://www.smarty.net/manual/en/language.function.counter.php {counter}
+ *         (Smarty online manual)
+ *
+ * @param array                    $params   parameters
+ * @param Smarty_Internal_Template $template template object
+ *
+ * @return string|null
+ */
+function smarty_function_counter($params, $template)
+{
+    static $counters = array();
+
+    $name = (isset($params[ 'name' ])) ? $params[ 'name' ] : 'default';
+    if (!isset($counters[ $name ])) {
+        $counters[ $name ] = array('start' => 1, 'skip' => 1, 'direction' => 'up', 'count' => 1);
+    }
+    $counter =& $counters[ $name ];
+
+    if (isset($params[ 'start' ])) {
+        $counter[ 'start' ] = $counter[ 'count' ] = (int) $params[ 'start' ];
+    }
+
+    if (!empty($params[ 'assign' ])) {
+        $counter[ 'assign' ] = $params[ 'assign' ];
+    }
+
+    if (isset($counter[ 'assign' ])) {
+        $template->assign($counter[ 'assign' ], $counter[ 'count' ]);
+    }
+
+    if (isset($params[ 'print' ])) {
+        $print = (bool) $params[ 'print' ];
+    } else {
+        $print = empty($counter[ 'assign' ]);
+    }
+
+    if ($print) {
+        $retval = $counter[ 'count' ];
+    } else {
+        $retval = null;
+    }
+
+    if (isset($params[ 'skip' ])) {
+        $counter[ 'skip' ] = $params[ 'skip' ];
+    }
+
+    if (isset($params[ 'direction' ])) {
+        $counter[ 'direction' ] = $params[ 'direction' ];
+    }
+
+    if ($counter[ 'direction' ] === 'down') {
+        $counter[ 'count' ] -= $counter[ 'skip' ];
+    } else {
+        $counter[ 'count' ] += $counter[ 'skip' ];
+    }
+
+    return $retval;
+}