mirror of
https://github.com/smarty-php/smarty.git
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279 lines
9.7 KiB
PHP
279 lines
9.7 KiB
PHP
<?php
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/**
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* Smarty Resource Data Object
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* Meta Data Container for Template Files
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*
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* @package Smarty
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* @subpackage TemplateResources
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* @author Rodney Rehm
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* @property string $content compiled content
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*/
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class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
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{
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/**
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* nocache hash
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*
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* @var string|null
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*/
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public $nocache_hash = null;
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/**
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* get a Compiled Object of this source
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*
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* @param Smarty_Internal_Template $_template template object
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*
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* @return Smarty_Template_Compiled compiled object
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*/
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static function load($_template)
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{
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$compiled = new Smarty_Template_Compiled();
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if ($_template->source->handler->hasCompiledHandler) {
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$_template->source->handler->populateCompiledFilepath($compiled, $_template);
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} else {
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$compiled->populateCompiledFilepath($_template);
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}
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return $compiled;
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}
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/**
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* populate Compiled Object with compiled filepath
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*
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* @param Smarty_Internal_Template $_template template object
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**/
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public function populateCompiledFilepath(Smarty_Internal_Template $_template)
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{
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$_compile_id = isset($_template->compile_id) ? preg_replace('![^\w]+!', '_', $_template->compile_id) : null;
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if ($_template->source->isConfig) {
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$_flag = '_' .
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((int) $_template->smarty->config_read_hidden + (int) $_template->smarty->config_booleanize * 2 +
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(int) $_template->smarty->config_overwrite * 4);
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} else {
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$_flag =
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'_' . ((int) $_template->smarty->merge_compiled_includes + (int) $_template->smarty->escape_html * 2);
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}
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$_filepath = $_template->source->uid . $_flag;
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// if use_sub_dirs, break file into directories
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if ($_template->smarty->use_sub_dirs) {
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$_filepath = substr($_filepath, 0, 2) . DS . substr($_filepath, 2, 2) . DS . substr($_filepath, 4, 2) . DS .
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$_filepath;
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}
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if (isset($_compile_id)) {
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$_filepath = $_compile_id . ($_template->smarty->use_sub_dirs ? DS : '^') . $_filepath;
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}
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// caching token
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if ($_template->caching) {
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$_cache = '.cache';
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} else {
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$_cache = '';
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}
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// set basename
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$_basename = $_template->source->handler->getBasename($_template->source);
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if ($_basename === null) {
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$_basename = basename(preg_replace('![^\w]+!', '_', $_template->source->name));
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}
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// separate (optional) basename by dot
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if ($_basename) {
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$_basename = '.' . $_basename;
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}
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$this->filepath = $_template->smarty->getCompileDir() . $_filepath . '.' . $_template->source->type . $_basename . $_cache . '.php';
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$this->exists = is_file($this->filepath);
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if (!$this->exists) {
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$this->timestamp = false;
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}
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}
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/**
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* load compiled template or compile from source
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*
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* @param Smarty_Internal_Template $_smarty_tpl do not change variable name, is used by compiled template
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*
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* @throws Exception
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*/
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public function process(Smarty_Internal_Template $_smarty_tpl)
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{
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if (!$_smarty_tpl->source->handler->uncompiled) {
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if ($_smarty_tpl->source->handler->recompiled || !$this->exists || $_smarty_tpl->smarty->force_compile ||
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($_smarty_tpl->smarty->compile_check && $_smarty_tpl->source->getTimeStamp() > $this->getTimeStamp())
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) {
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$this->compileTemplateSource($_smarty_tpl);
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$compileCheck = $_smarty_tpl->smarty->compile_check;
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$_smarty_tpl->smarty->compile_check = false;
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if ($_smarty_tpl->source->handler->recompiled) {
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$level = ob_get_level();
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ob_start();
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try {
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eval("?>" . $this->content);
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}
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catch (Exception $e) {
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while (ob_get_level() > $level) {
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ob_end_clean();
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}
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throw $e;
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}
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ob_get_clean();
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$this->content = null;
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} else {
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$this->loadCompiledTemplate($_smarty_tpl);
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}
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$_smarty_tpl->smarty->compile_check = $compileCheck;
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} else {
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$_smarty_tpl->mustCompile = true;
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@include($this->filepath);
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if ($_smarty_tpl->mustCompile) {
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$this->compileTemplateSource($_smarty_tpl);
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$compileCheck = $_smarty_tpl->smarty->compile_check;
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$_smarty_tpl->smarty->compile_check = false;
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$this->loadCompiledTemplate($_smarty_tpl);
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$_smarty_tpl->smarty->compile_check = $compileCheck;
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}
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}
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$_smarty_tpl->_subTemplateRegister();
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$this->processed = true;
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}
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}
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/**
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* Load fresh compiled template by including the PHP file
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* HHVM requires a work around because of a PHP incompatibility
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*
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* @param \Smarty_Internal_Template $_smarty_tpl do not change variable name, is used by compiled template
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*/
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private function loadCompiledTemplate(Smarty_Internal_Template $_smarty_tpl)
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{
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if (function_exists('opcache_invalidate')) {
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opcache_invalidate($this->filepath, true);
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} elseif (function_exists('apc_compile_file')) {
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apc_compile_file($this->filepath);
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}
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if (defined('HHVM_VERSION')) {
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eval("?>" . file_get_contents($this->filepath));
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} else {
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include($this->filepath);
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}
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}
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/**
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* render compiled template code
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*
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* @param Smarty_Internal_Template $_template
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*
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* @return string
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* @throws Exception
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*/
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public function render(Smarty_Internal_Template $_template)
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{
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if ($_template->smarty->debugging) {
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$_template->smarty->_debug->start_render($_template);
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}
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if (!$this->processed) {
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$this->process($_template);
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}
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if (isset($_template->cached)) {
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$_template->cached->file_dependency =
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array_merge($_template->cached->file_dependency, $this->file_dependency);
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}
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if ($_template->source->handler->uncompiled) {
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$_template->source->handler->renderUncompiled($_template->source, $_template);
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} else {
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$this->getRenderedTemplateCode($_template);
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}
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if ($_template->caching && $this->has_nocache_code) {
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$_template->cached->hashes[ $this->nocache_hash ] = true;
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}
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if (isset($_template->parent) && $_template->parent->_objType == 2 && !empty($_template->tpl_function)) {
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$_template->parent->tpl_function = array_merge($_template->parent->tpl_function, $_template->tpl_function);
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}
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if ($_template->smarty->debugging) {
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$_template->smarty->_debug->end_render($_template);
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}
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}
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/**
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* compile template from source
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*
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* @param Smarty_Internal_Template $_template
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*
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* @return string
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* @throws Exception
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*/
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public function compileTemplateSource(Smarty_Internal_Template $_template)
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{
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$this->file_dependency = array();
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$this->includes = array();
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$this->nocache_hash = null;
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$this->unifunc = null;
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// compile locking
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if (!$_template->source->handler->recompiled) {
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if ($saved_timestamp = $this->getTimeStamp()) {
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touch($this->filepath);
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}
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}
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// call compiler
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try {
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$_template->loadCompiler();
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$code = $_template->compiler->compileTemplate($_template);
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}
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catch (Exception $e) {
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// restore old timestamp in case of error
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if (!$_template->source->handler->recompiled && $saved_timestamp) {
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touch($this->filepath, $saved_timestamp);
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}
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throw $e;
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}
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// compiling succeeded
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if ($_template->compiler->write_compiled_code) {
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// write compiled template
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$this->write($_template, $code);
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$code = '';
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}
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// release compiler object to free memory
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unset($_template->compiler);
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return $code;
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}
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/**
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* Write compiled code by handler
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*
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* @param Smarty_Internal_Template $_template template object
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* @param string $code compiled code
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*
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* @return boolean success
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*/
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public function write(Smarty_Internal_Template $_template, $code)
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{
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if (!$_template->source->handler->recompiled) {
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if ($_template->smarty->ext->_writeFile->writeFile($this->filepath, $code, $_template->smarty) === true) {
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$this->timestamp = $this->exists = is_file($this->filepath);
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if ($this->exists) {
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$this->timestamp = filemtime($this->filepath);
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return true;
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}
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}
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return false;
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} else {
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$this->content = $code;
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}
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$this->timestamp = time();
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$this->exists = true;
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return true;
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}
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/**
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* Read compiled content from handler
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*
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* @param Smarty_Internal_Template $_template template object
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*
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* @return string content
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*/
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public function read(Smarty_Internal_Template $_template)
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{
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if (!$_template->source->handler->recompiled) {
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return file_get_contents($this->filepath);
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}
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return isset($this->content) ? $this->content : false;
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}
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}
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