Second pass at adding key files

site/stackreach/libs/plugins/modifier.escape.php

@@ -0,0 +1,91 @@
+<?php
+/**
+ * Smarty plugin
+ * 
+ * @package Smarty
+ * @subpackage PluginsModifier
+ */
+ 
+/**
+ * Smarty escape modifier plugin
+ * 
+ * Type:     modifier<br>
+ * Name:     escape<br>
+ * Purpose:  escape string for output
+ * 
+ * @link http://smarty.php.net/manual/en/language.modifier.count.characters.php count_characters (Smarty online manual)
+ * @author Monte Ohrt <monte at ohrt dot com> 
+ * @param string $string input string
+ * @param string $esc_type escape type
+ * @param string $char_set character set
+ * @return string escaped input string
+ */
+function smarty_modifier_escape($string, $esc_type = 'html', $char_set = SMARTY_RESOURCE_CHAR_SET)
+{
+    switch ($esc_type) {
+        case 'html':
+            return htmlspecialchars($string, ENT_QUOTES, $char_set);
+
+        case 'htmlall':
+            return htmlentities($string, ENT_QUOTES, $char_set);
+
+        case 'url':
+            return rawurlencode($string);
+
+        case 'urlpathinfo':
+            return str_replace('%2F', '/', rawurlencode($string));
+
+        case 'quotes': 
+            // escape unescaped single quotes
+            return preg_replace("%(?<!\\\\)'%", "\\'", $string);
+
+        case 'hex': 
+            // escape every character into hex
+            $return = '';
+            for ($x = 0; $x < strlen($string); $x++) {
+                $return .= '%' . bin2hex($string[$x]);
+            } 
+            return $return;
+
+        case 'hexentity':
+            $return = '';
+            for ($x = 0; $x < strlen($string); $x++) {
+                $return .= '&#x' . bin2hex($string[$x]) . ';';
+            } 
+            return $return;
+
+        case 'decentity':
+            $return = '';
+            for ($x = 0; $x < strlen($string); $x++) {
+                $return .= '&#' . ord($string[$x]) . ';';
+            } 
+            return $return;
+
+        case 'javascript': 
+            // escape quotes and backslashes, newlines, etc.
+            return strtr($string, array('\\' => '\\\\', "'" => "\\'", '"' => '\\"', "\r" => '\\r', "\n" => '\\n', '</' => '<\/'));
+
+        case 'mail': 
+          require_once(SMARTY_PLUGINS_DIR . 'shared.mb_str_replace.php');
+          return smarty_mb_str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
+
+        case 'nonstd': 
+            // escape non-standard chars, such as ms document quotes
+            $_res = '';
+            for($_i = 0, $_len = strlen($string); $_i < $_len; $_i++) {
+                $_ord = ord(substr($string, $_i, 1)); 
+                // non-standard char, escape it
+                if ($_ord >= 126) {
+                    $_res .= '&#' . $_ord . ';';
+                } else {
+                    $_res .= substr($string, $_i, 1);
+                } 
+            } 
+            return $_res;
+
+        default:
+            return $string;
+    } 
+} 
+
+?>