From fa10e0945ecd45bfe78a2c8fb015a43092b4944b Mon Sep 17 00:00:00 2001
From: plegall <plg@piwigo.org>
Date: Thu, 10 Dec 2015 14:02:22 +0100
Subject: bug #385 update to smarty-3.1.28-dev (from Github)

---
 .../smarty_internal_smartytemplatecompiler.php     | 132 ++++++++++++++-------
 1 file changed, 87 insertions(+), 45 deletions(-)

(limited to 'include/smarty/libs/sysplugins/smarty_internal_smartytemplatecompiler.php')

diff --git a/include/smarty/libs/sysplugins/smarty_internal_smartytemplatecompiler.php b/include/smarty/libs/sysplugins/smarty_internal_smartytemplatecompiler.php
index 1ec1aa430..116bbea7b 100644
--- a/include/smarty/libs/sysplugins/smarty_internal_smartytemplatecompiler.php
+++ b/include/smarty/libs/sysplugins/smarty_internal_smartytemplatecompiler.php
@@ -1,27 +1,21 @@
 <?php
 /**
  * Smarty Internal Plugin Smarty Template Compiler Base
+ * This file contains the basic classes and methods for compiling Smarty templates with lexer/parser
  *
- * This file contains the basic classes and methodes for compiling Smarty templates with lexer/parser
- *
- * @package Smarty
+ * @package    Smarty
  * @subpackage Compiler
- * @author Uwe Tews
+ * @author     Uwe Tews
  */
 
-/**
- * @ignore
- */
-include ("smarty_internal_parsetree.php");
-
 /**
  * Class SmartyTemplateCompiler
  *
- * @package Smarty
+ * @package    Smarty
  * @subpackage Compiler
  */
-class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCompilerBase {
-
+class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCompilerBase
+{
     /**
      * Lexer class name
      *
@@ -37,32 +31,32 @@ class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCom
     public $parser_class;
 
     /**
-     * Lexer object
+     * array of vars which can be compiled in local scope
      *
-     * @var object
+     * @var array
      */
-    public $lex;
+    public $local_var = array();
 
     /**
-     * Parser object
+     * array of callbacks called when the normal compile process of template is finished
      *
-     * @var object
+     * @var array
      */
-    public $parser;
+    public $postCompileCallbacks = array();
 
     /**
-     * Smarty object
+     * prefix code
      *
-     * @var object
+     * @var string
      */
-    public $smarty;
+    public $prefixCompiledCode = '';
 
     /**
-     * array of vars which can be compiled in local scope
+     * postfix code
      *
-     * @var array
+     * @var string
      */
-    public $local_var = array();
+    public $postfixCompiledCode = '';
 
     /**
      * Initialize compiler
@@ -71,57 +65,105 @@ class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCom
      * @param string $parser_class class name
      * @param Smarty $smarty       global instance
      */
-    public function __construct($lexer_class, $parser_class, $smarty)
+    public function __construct($lexer_class, $parser_class, Smarty $smarty)
     {
-        $this->smarty = $smarty;
-        parent::__construct();
+        parent::__construct($smarty);
         // get required plugins
         $this->lexer_class = $lexer_class;
         $this->parser_class = $parser_class;
     }
 
     /**
-     * Methode to compile a Smarty template
+     * method to compile a Smarty template
      *
      * @param  mixed $_content template source
+     * @param bool   $isTemplateSource
+     *
      * @return bool true if compiling succeeded, false if it failed
+     * @throws \SmartyCompilerException
      */
-    protected function doCompile($_content)
+    protected function doCompile($_content, $isTemplateSource = false)
     {
         /* here is where the compiling takes place. Smarty
           tags in the templates are replaces with PHP code,
           then written to compiled files. */
         // init the lexer/parser to compile the template
-        $this->lex = new $this->lexer_class($_content, $this);
-        $this->parser = new $this->parser_class($this->lex, $this);
-        if ($this->smarty->_parserdebug)
+        $this->parser =
+            new $this->parser_class(new $this->lexer_class(str_replace(array("\r\n", "\r"), "\n", $_content), $this),
+                                    $this);
+        if ($isTemplateSource && $this->template->caching) {
+            $this->parser->insertPhpCode("<?php\n\$_smarty_tpl->compiled->nocache_hash = '{$this->nocache_hash}';\n?>\n");
+        }
+        if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
+            $mbEncoding = mb_internal_encoding();
+            mb_internal_encoding('ASCII');
+        } else {
+            $mbEncoding = null;
+        }
+
+        if ($this->smarty->_parserdebug) {
             $this->parser->PrintTrace();
+            $this->parser->lex->PrintTrace();
+        }
         // get tokens from lexer and parse them
-        while ($this->lex->yylex() && !$this->abort_and_recompile) {
+        while ($this->parser->lex->yylex()) {
             if ($this->smarty->_parserdebug) {
-                echo "<pre>Line {$this->lex->line} Parsing  {$this->parser->yyTokenName[$this->lex->token]} Token " .
-                    htmlentities($this->lex->value) . "</pre>";
+                echo "<pre>Line {$this->parser->lex->line} Parsing  {$this->parser->yyTokenName[$this->parser->lex->token]} Token " .
+                    htmlentities($this->parser->lex->value) . "</pre>";
             }
-            $this->parser->doParse($this->lex->token, $this->lex->value);
+            $this->parser->doParse($this->parser->lex->token, $this->parser->lex->value);
         }
 
-        if ($this->abort_and_recompile) {
-            // exit here on abort
-            return false;
-        }
         // finish parsing process
         $this->parser->doParse(0, 0);
+        if ($mbEncoding) {
+            mb_internal_encoding($mbEncoding);
+        }
         // check for unclosed tags
         if (count($this->_tag_stack) > 0) {
             // get stacked info
             list($openTag, $_data) = array_pop($this->_tag_stack);
-            $this->trigger_template_error("unclosed {" . $openTag . "} tag");
+            $this->trigger_template_error("unclosed {$this->smarty->left_delimiter}" . $openTag .
+                                          "{$this->smarty->right_delimiter} tag");
+        }
+        // call post compile callbacks
+        foreach ($this->postCompileCallbacks as $cb) {
+            $parameter = $cb;
+            $parameter[0] = $this;
+            call_user_func_array($cb[0], $parameter);
         }
         // return compiled code
-        // return str_replace(array("? >\n<?php","? ><?php"), array('',''), $this->parser->retvalue);
-        return $this->parser->retvalue;
+        return $this->prefixCompiledCode . $this->parser->retvalue . $this->postfixCompiledCode;
     }
 
-}
+    /**
+     * Register a post compile callback
+     * - when the callback is called after template compiling the compiler object will be inserted as first parameter
+     *
+     * @param callback $callback
+     * @param array    $parameter optional parameter array
+     * @param string   $key       optional key for callback
+     * @param bool     $replace   if true replace existing keyed callback
+     */
+    public function registerPostCompileCallback($callback, $parameter = array(), $key = null, $replace = false)
+    {
+        array_unshift($parameter, $callback);
+        if (isset($key)) {
+            if ($replace || !isset($this->postCompileCallbacks[$key])) {
+                $this->postCompileCallbacks[$key] = $parameter;
+            }
+        } else {
+            $this->postCompileCallbacks[] = $parameter;
+        }
+    }
 
-?>
\ No newline at end of file
+    /**
+     * Remove a post compile callback
+     *
+     * @param string $key callback key
+     */
+    public function unregisterPostCompileCallback($key)
+    {
+        unset($this->postCompileCallbacks[$key]);
+    }
+}
-- 
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