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<?php
/**
* Smarty Resource Data Object
* Meta Data Container for Template Files
*
* @package Smarty
* @subpackage TemplateResources
* @author Rodney Rehm
* @property string $content compiled content
*/
class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
{
/**
* nocache hash
*
* @var string|null
*/
public $nocache_hash = null;
/**
* get a Compiled Object of this source
*
* @param Smarty_Internal_Template $_template template object
*
* @return Smarty_Template_Compiled compiled object
*/
static function load($_template)
{
$compiled = new Smarty_Template_Compiled();
if ($_template->source->handler->hasCompiledHandler) {
$_template->source->handler->populateCompiledFilepath($compiled, $_template);
} else {
$compiled->populateCompiledFilepath($_template);
}
return $compiled;
}
/**
* populate Compiled Object with compiled filepath
*
* @param Smarty_Internal_Template $_template template object
**/
public function populateCompiledFilepath(Smarty_Internal_Template $_template)
{
$source = &$_template->source;
$smarty = &$_template->smarty;
$this->filepath = $smarty->getCompileDir();
if (isset($_template->compile_id)) {
$this->filepath .= preg_replace('![^\w]+!', '_', $_template->compile_id) .
($smarty->use_sub_dirs ? DS : '^');
}
// if use_sub_dirs, break file into directories
if ($smarty->use_sub_dirs) {
$this->filepath .= $source->uid[ 0 ] . $source->uid[ 1 ] . DS . $source->uid[ 2 ] . $source->uid[ 3 ] . DS .
$source->uid[ 4 ] . $source->uid[ 5 ] . DS;
}
$this->filepath .= $source->uid . '_';
if ($source->isConfig) {
$this->filepath .= (int) $smarty->config_read_hidden + (int) $smarty->config_booleanize * 2 +
(int) $smarty->config_overwrite * 4;
} else {
$this->filepath .= (int) $smarty->merge_compiled_includes + (int) $smarty->escape_html * 2;
}
$this->filepath .= '.' . $source->type;
$basename = $source->handler->getBasename($source);
if (!empty($basename)) {
$this->filepath .= '.' . $basename;
}
if ($_template->caching) {
$this->filepath .= '.cache';
}
$this->filepath .= '.php';
$this->timestamp = $this->exists = is_file($this->filepath);
if ($this->exists) {
$this->timestamp = filemtime($this->filepath);
}
}
/**
* load compiled template or compile from source
*
* @param Smarty_Internal_Template $_smarty_tpl do not change variable name, is used by compiled template
*
* @throws Exception
*/
public function process(Smarty_Internal_Template $_smarty_tpl)
{
$source = &$_smarty_tpl->source;
$smarty = &$_smarty_tpl->smarty;
if ($source->handler->recompiled) {
$source->handler->process($_smarty_tpl);
} elseif (!$source->handler->uncompiled) {
if (!$this->exists || $smarty->force_compile ||
($smarty->compile_check && $source->getTimeStamp() > $this->getTimeStamp())
) {
$this->compileTemplateSource($_smarty_tpl);
$compileCheck = $smarty->compile_check;
$smarty->compile_check = false;
$this->loadCompiledTemplate($_smarty_tpl);
$smarty->compile_check = $compileCheck;
} else {
$_smarty_tpl->mustCompile = true;
@include($this->filepath);
if ($_smarty_tpl->mustCompile) {
$this->compileTemplateSource($_smarty_tpl);
$compileCheck = $smarty->compile_check;
$smarty->compile_check = false;
$this->loadCompiledTemplate($_smarty_tpl);
$smarty->compile_check = $compileCheck;
}
}
$_smarty_tpl->_subTemplateRegister();
$this->processed = true;
}
}
/**
* Load fresh compiled template by including the PHP file
* HHVM requires a work around because of a PHP incompatibility
*
* @param \Smarty_Internal_Template $_smarty_tpl do not change variable name, is used by compiled template
*/
private function loadCompiledTemplate(Smarty_Internal_Template $_smarty_tpl)
{
if (function_exists('opcache_invalidate') && strlen(ini_get("opcache.restrict_api")) < 1) {
opcache_invalidate($this->filepath, true);
} elseif (function_exists('apc_compile_file')) {
apc_compile_file($this->filepath);
}
if (defined('HHVM_VERSION')) {
eval("?>" . file_get_contents($this->filepath));
} else {
include($this->filepath);
}
}
/**
* render compiled template code
*
* @param Smarty_Internal_Template $_template
*
* @return string
* @throws Exception
*/
public function render(Smarty_Internal_Template $_template)
{
// checks if template exists
if (!$_template->source->exists) {
$type = $_template->source->isConfig ? 'config' : 'template';
throw new SmartyException("Unable to load {$type} '{$_template->source->type}:{$_template->source->name}'");
}
if ($_template->smarty->debugging) {
if (!isset($_template->smarty->_debug)) {
$_template->smarty->_debug = new Smarty_Internal_Debug();
}
$_template->smarty->_debug->start_render($_template);
}
if (!$this->processed) {
$this->process($_template);
}
if (isset($_template->cached)) {
$_template->cached->file_dependency =
array_merge($_template->cached->file_dependency, $this->file_dependency);
}
if ($_template->source->handler->uncompiled) {
$_template->source->handler->renderUncompiled($_template->source, $_template);
} else {
$this->getRenderedTemplateCode($_template);
}
if ($_template->caching && $this->has_nocache_code) {
$_template->cached->hashes[ $this->nocache_hash ] = true;
}
if ($_template->smarty->debugging) {
$_template->smarty->_debug->end_render($_template);
}
}
/**
* compile template from source
*
* @param Smarty_Internal_Template $_template
*
* @throws Exception
*/
public function compileTemplateSource(Smarty_Internal_Template $_template)
{
$this->file_dependency = array();
$this->includes = array();
$this->nocache_hash = null;
$this->unifunc = null;
// compile locking
if ($saved_timestamp = $this->getTimeStamp()) {
touch($this->filepath);
}
// call compiler
$_template->loadCompiler();
$this->write($_template, $_template->compiler->compileTemplate($_template));
// release compiler object to free memory
unset($_template->compiler);
}
/**
* Write compiled code by handler
*
* @param Smarty_Internal_Template $_template template object
* @param string $code compiled code
*
* @return boolean success
*/
public function write(Smarty_Internal_Template $_template, $code)
{
if (!$_template->source->handler->recompiled) {
if ($_template->smarty->ext->_writeFile->writeFile($this->filepath, $code, $_template->smarty) === true) {
$this->timestamp = $this->exists = is_file($this->filepath);
if ($this->exists) {
$this->timestamp = filemtime($this->filepath);
return true;
}
}
return false;
}
return true;
}
/**
* Read compiled content from handler
*
* @param Smarty_Internal_Template $_template template object
*
* @return string content
*/
public function read(Smarty_Internal_Template $_template)
{
if (!$_template->source->handler->recompiled) {
return file_get_contents($this->filepath);
}
return isset($this->content) ? $this->content : false;
}
}
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