From c1f34b1314e3308c307bd46af91dcb4b09125210 Mon Sep 17 00:00:00 2001
From: uwetews <uwe.tews@googlemail.com>
Date: Fri, 5 Feb 2016 17:41:11 +0100
Subject: [PATCH] - improvement internal compiler changes

---
 change_log.txt                                |  3 +
 libs/Smarty.class.php                         |  2 +-
 .../smarty_internal_runtime_codeframe.php     |  4 +-
 .../smarty_internal_templatecompilerbase.php  | 88 ++++++++++++++++++-
 4 files changed, 92 insertions(+), 5 deletions(-)

diff --git a/change_log.txt b/change_log.txt
index 223c59fc..03238ad2 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,4 +1,7 @@
  ===== 3.1.30-dev ===== (xx.xx.xx)
+ 05.02.2016
+  - improvement internal compiler changes
+  
  01.02.2016
   - bugfix {foreach} compilation failed when $smarty->merge_compiled_includes = true and pre-filters are used.
 
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 7c447068..3b342e7b 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -121,7 +121,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.30-dev/28';
+    const SMARTY_VERSION = '3.1.30-dev/29';
 
     /**
      * define variable scopes
diff --git a/libs/sysplugins/smarty_internal_runtime_codeframe.php b/libs/sysplugins/smarty_internal_runtime_codeframe.php
index 0ba32124..10ad35eb 100644
--- a/libs/sysplugins/smarty_internal_runtime_codeframe.php
+++ b/libs/sysplugins/smarty_internal_runtime_codeframe.php
@@ -49,11 +49,11 @@ class Smarty_Internal_Runtime_CodeFrame
         $output = "<?php\n";
         $output .= "/* Smarty version " . Smarty::SMARTY_VERSION . ", created on " . strftime("%Y-%m-%d %H:%M:%S") .
             "\n  from \"" . $_template->source->filepath . "\" */\n\n";
-
+        $output .= "/* @var Smarty_Internal_Template \$_smarty_tpl */\n";
         $dec = "\$_smarty_tpl->_decodeProperties(\$_smarty_tpl, " . var_export($properties, true) . ',' .
             ($cache ? 'true' : 'false') . ")";
         $output .= "if ({$dec}) {\n";
-        $output .= "function {$properties['unifunc']} (\$_smarty_tpl) {\n";
+        $output .= "function {$properties['unifunc']} (Smarty_Internal_Template \$_smarty_tpl) {\n";
         // include code for plugins
         if (!$cache) {
             if (!empty($_template->compiled->required_plugins[ 'compiled' ])) {
diff --git a/libs/sysplugins/smarty_internal_templatecompilerbase.php b/libs/sysplugins/smarty_internal_templatecompilerbase.php
index 8fb6a271..5b4312e5 100644
--- a/libs/sysplugins/smarty_internal_templatecompilerbase.php
+++ b/libs/sysplugins/smarty_internal_templatecompilerbase.php
@@ -1064,8 +1064,8 @@ abstract class Smarty_Internal_TemplateCompilerBase
      */
     public function getId($input)
     {
-        if (preg_match('~^[\'"]*([0-9]*[a-zA-Z_]\w*)[\'"]*$~', $input, $match)) {
-            return $match[ 1 ];
+        if (preg_match('~^([\'"]*)([0-9]*[a-zA-Z_]\w*)\1$~', $input, $match)) {
+            return $match[ 2 ];
         }
         return false;
     }
@@ -1085,6 +1085,53 @@ abstract class Smarty_Internal_TemplateCompilerBase
         return false;
     }
 
+    /**
+     * Set nocache flag in variable or create new variable
+     *
+     * @param string $varName
+     */
+    public function setNocacheInVariable($varName){
+        // create nocache var to make it know for further compiling
+        if ($_var = $this->getId($varName)) {
+            if (isset($this->template->tpl_vars[ $_var ])) {
+                $this->template->tpl_vars[ $_var ] = clone $this->template->tpl_vars[ $_var ];
+                $this->template->tpl_vars[ $_var ]->nocache = true;
+            } else {
+                $this->template->tpl_vars[ $_var ] = new Smarty_Variable(null, true);
+            }
+        }
+    }
+
+    /**
+     * @param array $_attr tag attributes
+     * @param array $validScopes
+     *
+     * @return int|string
+     * @throws \SmartyCompilerException
+     */
+    public function convertScope($_attr, $validScopes){
+        $_scope = Smarty::SCOPE_LOCAL;
+        if (isset($_attr[ 'scope' ])) {
+            $_scopeName = trim($_attr[ 'scope' ], "'\"");
+            if (is_numeric($_scopeName) && in_array($_scopeName, $validScopes)) {
+                $_scope = $_scopeName;
+            } elseif (is_string($_scopeName)) {
+                $_scopeName = trim($_scopeName, "'\"");
+                $_scope = isset($validScopes[ $_scopeName ]) ? $validScopes[ $_scopeName ] : false;
+            } else {
+                $_scope = false;
+            }
+            if ($_scope === false) {
+                $err = var_export($_scopeName, true);
+                $this->trigger_template_error("illegal value '{$err}' for \"scope\" attribute", null, true);
+            }
+            if (isset($_attr[ 'bubble_up' ]) && $_attr[ 'bubble_up' ]) {
+                $_scope += Smarty::SCOPE_BUBBLE_UP;
+            }
+        }
+        return $_scope;
+    }
+
     /**
      * Generate nocache code string
      *
@@ -1166,4 +1213,41 @@ abstract class Smarty_Internal_TemplateCompilerBase
         $e->template = $this->template->source->filepath;
         throw $e;
     }
+
+    /**
+     * Return var_export() value with all white spaces removed
+     *
+     * @param  mixed $value
+     *
+     * @return string
+     */
+    public function getVarExport($value) {
+        return preg_replace('/\s/', '', var_export($value, true));
+    }
+
+    /**
+     * Check if $value contains variable elements
+     *
+     * @param mixed $value
+     *
+     * @return bool|int
+     */
+    public function isVariable($value){
+        if (is_string($value)) {
+            return preg_match('/[$(]/', $value);
+        }
+        if (is_bool($value) || is_numeric($value)) {
+            return false;
+        }
+        if (is_array($value)) {
+            foreach ($value as  $k => $v) {
+                if ($this->isVariable($k) || $this->isVariable($v)) {
+                    return true;
+                }
+            }
+            return false;
+        }
+        return false;
+    }
+
 }