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<?php
/**
* Smarty Internal Extension
* This file contains the Smarty template extension to create a code frame
*
* @package Smarty
* @subpackage Template
* @author Uwe Tews
*/
/**
* Class Smarty_Internal_Extension_CodeFrame
* Create code frame for compiled and cached templates
*/
class Smarty_Internal_Extension_CodeFrame
{
/**
* Create code frame for compiled and cached templates
*
* @param Smarty_Internal_Template $_template
* @param string $content optional template content
* @param bool $cache flag for cache file
*
* @return string
*/
public static function create(Smarty_Internal_Template $_template, $content = '', $cache = false)
{
// build property code
$_template->properties['has_nocache_code'] = $_template->has_nocache_code || !empty($_template->required_plugins['nocache']);
$_template->properties['version'] = Smarty::SMARTY_VERSION;
if (!isset($_template->properties['unifunc'])) {
$_template->properties['unifunc'] = 'content_' . str_replace(array('.', ','), '_', uniqid('', true));
}
$properties = $_template->properties;
if (!$cache) {
unset($properties['tpl_function']);
if (!empty($_template->compiler->templateProperties)) {
$properties['tpl_function'] = $_template->compiler->templateProperties['tpl_function'];
}
}
$output = "<?php\n";
$output .= "/*%%SmartyHeaderCode:{$_template->properties['nocache_hash']}%%*/\n";
if ($_template->smarty->direct_access_security) {
$output .= "if(!defined('SMARTY_DIR')) exit('no direct access allowed');\n";
}
$output .= "\$_valid = \$_smarty_tpl->decodeProperties(" . var_export($properties, true) . ',' . ($cache ? 'true' : 'false') . ");\n";
$output .= "/*/%%SmartyHeaderCode%%*/\n";
$output .= "if (\$_valid && !is_callable('{$_template->properties['unifunc']}')) {\n";
$output .= "function {$_template->properties['unifunc']} (\$_smarty_tpl) {\n";
// include code for plugins
if (!$cache) {
if (!empty($_template->required_plugins['compiled'])) {
foreach ($_template->required_plugins['compiled'] as $tmp) {
foreach ($tmp as $data) {
$file = addslashes($data['file']);
if (is_Array($data['function'])) {
$output .= "if (!is_callable(array('{$data['function'][0]}','{$data['function'][1]}'))) require_once '{$file}';\n";
} else {
$output .= "if (!is_callable('{$data['function']}')) require_once '{$file}';\n";
}
}
}
}
if (!empty($_template->required_plugins['nocache'])) {
$_template->has_nocache_code = true;
$output .= "echo '/*%%SmartyNocache:{$_template->properties['nocache_hash']}%%*/<?php \$_smarty = \$_smarty_tpl->smarty; ";
foreach ($_template->required_plugins['nocache'] as $tmp) {
foreach ($tmp as $data) {
$file = addslashes($data['file']);
if (is_Array($data['function'])) {
$output .= addslashes("if (!is_callable(array('{$data['function'][0]}','{$data['function'][1]}'))) require_once '{$file}';\n");
} else {
$output .= addslashes("if (!is_callable('{$data['function']}')) require_once '{$file}';\n");
}
}
}
$output .= "?>/*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%*/';\n";
}
}
$output .= "?>\n";
$output = self::appendCode($output, $content);
return self::appendCode($output, "<?php }\n}\n?>");
}
/**
* Create code frame of compiled template function
*
* @param \Smarty_Internal_Template $_template
* @param string $content
*
* @return string
*/
public static function createFunctionFrame(Smarty_Internal_Template $_template, $content = '')
{
if (!isset($_template->properties['unifunc'])) {
$_template->properties['unifunc'] = 'content_' . str_replace(array('.', ','), '_', uniqid('', true));
}
$output = "<?php\n";
$output .= "/*%%SmartyHeaderCode:{$_template->properties['nocache_hash']}%%*/\n";
$output .= "if (\$_valid && !is_callable('{$_template->properties['unifunc']}')) {\n";
$output .= "function {$_template->properties['unifunc']} (\$_smarty_tpl) {\n";
$output .= "?>\n" . $content;
$output .= "<?php\n";
$output .= "/*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%*/\n";
$output .= "}\n}\n?>";
return $output;
}
/**
* Append code segments and remove unneeded ?> <?php transitions
*
* @param string $left
* @param string $right
*
* @return string
*/
public static function appendCode($left, $right)
{
if (preg_match('/\s*\?>$/', $left) && preg_match('/^<\?php\s+/', $right)) {
$left = preg_replace('/\s*\?>$/', "\n", $left);
$left .= preg_replace('/^<\?php\s+/', '', $right);
} else {
$left .= $right;
}
return $left;
}
}
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