From 49d54c0c3199fb8e380ce68f8fb08a308ddf56a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs=20Eduardo?= <heckyel@hyperbola.info>
Date: Mon, 25 Dec 2017 16:58:41 -0500
Subject: =?UTF-8?q?migraci=C3=B3n=20mayor=20a=20smarty=20PHP?=
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---
 .../smarty_internal_smartytemplatecompiler.php     | 170 +++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 smarty/sysplugins/smarty_internal_smartytemplatecompiler.php

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

diff --git a/smarty/sysplugins/smarty_internal_smartytemplatecompiler.php b/smarty/sysplugins/smarty_internal_smartytemplatecompiler.php
new file mode 100644
index 0000000..8cd37dd
--- /dev/null
+++ b/smarty/sysplugins/smarty_internal_smartytemplatecompiler.php
@@ -0,0 +1,170 @@
+<?php
+/**
+ * Smarty Internal Plugin Smarty Template Compiler Base
+ * This file contains the basic classes and methods for compiling Smarty templates with lexer/parser
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @author     Uwe Tews
+ */
+
+/**
+ * Class SmartyTemplateCompiler
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCompilerBase
+{
+    /**
+     * Lexer class name
+     *
+     * @var string
+     */
+    public $lexer_class;
+
+    /**
+     * Parser class name
+     *
+     * @var string
+     */
+    public $parser_class;
+
+    /**
+     * array of vars which can be compiled in local scope
+     *
+     * @var array
+     */
+    public $local_var = array();
+
+    /**
+     * array of callbacks called when the normal compile process of template is finished
+     *
+     * @var array
+     */
+    public $postCompileCallbacks = array();
+
+    /**
+     * prefix code
+     *
+     * @var string
+     */
+    public $prefixCompiledCode = '';
+
+    /**
+     * postfix code
+     *
+     * @var string
+     */
+    public $postfixCompiledCode = '';
+
+    /**
+     * Initialize compiler
+     *
+     * @param string $lexer_class  class name
+     * @param string $parser_class class name
+     * @param Smarty $smarty       global instance
+     */
+    public function __construct($lexer_class, $parser_class, Smarty $smarty)
+    {
+        parent::__construct($smarty);
+        // get required plugins
+        $this->lexer_class = $lexer_class;
+        $this->parser_class = $parser_class;
+    }
+
+    /**
+     * 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, $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->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->parser->lex->yylex()) {
+            if ($this->smarty->_parserdebug) {
+                echo "<pre>Line {$this->parser->lex->line} Parsing  {$this->parser->yyTokenName[$this->parser->lex->token]} Token " .
+                     htmlentities($this->parser->lex->value) . "</pre>";
+            }
+            $this->parser->doParse($this->parser->lex->token, $this->parser->lex->value);
+        }
+
+        // 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);
+            $this->trigger_template_error("unclosed {$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 $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;
+        }
+    }
+
+    /**
+     * Remove a post compile callback
+     *
+     * @param string $key callback key
+     */
+    public function unregisterPostCompileCallback($key)
+    {
+        unset($this->postCompileCallbacks[ $key ]);
+    }
+}
-- 
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