<?php
/**
* Smarty Internal Plugin Resource Extends
*
* Implements the file system as resource for Smarty which does extend a chain of template files templates
*
* @package Smarty
* @subpackage TemplateResources
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Resource Extends
*/
class Smarty_Internal_Resource_Extends {
public function __construct($smarty)
{
$this->smarty = $smarty;
$this->_rdl = preg_quote($smarty->right_delimiter);
$this->_ldl = preg_quote($smarty->left_delimiter);
}
// classes used for compiling Smarty templates from file resource
public $compiler_class = 'Smarty_Internal_SmartyTemplateCompiler';
public $template_lexer_class = 'Smarty_Internal_Templatelexer';
public $template_parser_class = 'Smarty_Internal_Templateparser';
// properties
public $usesCompiler = true;
public $isEvaluated = false;
public $allFilepaths = array();
/**
* Return flag if template source is existing
*
* @param object $_template template object
* @return boolean result
*/
public function isExisting($_template)
{
if ($_template->getTemplateFilepath() === false) {
return false;
} else {
return true;
}
}
/**
* Get filepath to template source
*
* @param object $_template template object
* @return string filepath to template source file
*/
public function getTemplateFilepath($_template)
{
$sha1String = '';
$_files = explode('|', $_template->resource_name);
foreach ($_files as $_file) {
$_filepath = $_template->buildTemplateFilepath ($_file);
if ($_filepath !== false) {
if ($_template->security) {
$_template->smarty->security_handler->isTrustedResourceDir($_filepath);
}
}
$sha1String .= $_filepath;
$this->allFilepaths[] = $_filepath;
}
$_template->templateUid = sha1($sha1String);
return $_filepath;
}
/**
* Get timestamp to template source
*
* @param object $_template template object
* @return integer timestamp of template source file
*/
public function getTemplateTimestamp($_template)
{
return filemtime($_template->getTemplateFilepath());
}
/**
* Read template source from file
*
* @param object $_template template object
* @return string content of template source file
*/
public function getTemplateSource($_template)
{
$this->template = $_template;
$_files = array_reverse($this->allFilepaths);
foreach ($_files as $_filepath) {
// read template file
if ($_filepath === false) {
throw new Exception("Unable to load template 'file : {$_file}'");
}
if ($_filepath != $_files[0]) {
$_template->properties['file_dependency'][sha1($_filepath)] = array($_filepath, filemtime($_filepath));
}
$_template->template_filepath = $_filepath;
$_content = file_get_contents($_filepath);
if ($_filepath != $_files[count($_files)-1]) {
if (preg_match_all("!({$this->_ldl}block(.+?){$this->_rdl})!", $_content, $_open) !=
preg_match_all("!({$this->_ldl}/block(.*?){$this->_rdl})!", $_content, $_close)) {
$this->smarty->trigger_error("unmatched {block} {/block} pairs in file '$_filepath'");
}
preg_match_all("!{$this->_ldl}block(.+?){$this->_rdl}|{$this->_ldl}/block.*{$this->_rdl}!", $_content, $_result, PREG_OFFSET_CAPTURE);
$_result_count = count($_result[0]);
$_start = 0;
while ($_start < $_result_count) {
$_end = 0;
$_level = 1;
while ($_level != 0) {
$_end++;
if (!strpos($_result[0][$_start + $_end][0], '/')) {
$_level++;
} else {
$_level--;
}
}
$_block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.parent' . $this->smarty->right_delimiter, '%%%%SMARTY_PARENT%%%%',
substr($_content, $_result[0][$_start][1] + strlen($_result[0][$_start][0]), $_result[0][$_start + $_end][1] - $_result[0][$_start][1] - + strlen($_result[0][$_start][0])));
$this->saveBlockData($_block_content, $_result[0][$_start][0], $_filepath);
$_start = $_start + $_end + 1;
}
} else {
$_template->template_source = $_content;
return true;
}
}
// $_template->template_filepath = $saved_filepath;
}
protected function saveBlockData($block_content, $block_tag, $_filepath)
{
if (0 == preg_match("!(.?)(name=)(.*?)(?=(\s|{$this->_rdl}))!", $block_tag, $_match)) {
$this->smarty->trigger_error("'{$block_tag}' missing name attribute in file '$_filepath'");
} else {
$_name = trim($_match[3], '\'"');
// replace {$smarty.block.child}
if (strpos($block_content, $this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter) !== false) {
if (isset($this->smarty->block_data[$_name])) {
$block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter,
$this->smarty->block_data[$_name]['source'], $block_content);
unset($this->smarty->block_data[$_name]);
} else {
$block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter,
'', $block_content);
}
}
if (isset($this->smarty->block_data[$_name])) {
if (strpos($this->smarty->block_data[$_name]['source'], '%%%%SMARTY_PARENT%%%%') !== false) {
$this->smarty->block_data[$_name]['source'] =
str_replace('%%%%SMARTY_PARENT%%%%', $block_content, $this->smarty->block_data[$_name]['source']);
} elseif ($this->smarty->block_data[$_name]['mode'] == 'prepend') {
$this->smarty->block_data[$_name]['source'] .= $block_content;
} elseif ($this->smarty->block_data[$_name]['mode'] == 'append') {
$this->smarty->block_data[$_name]['source'] = $block_content . $this->smarty->block_data[$_name]['source'];
}
} else {
$this->smarty->block_data[$_name]['source'] = $block_content;
}
if (preg_match('/(.?)(append)(.*)/', $block_tag, $_match) != 0) {
$this->smarty->block_data[$_name]['mode'] = 'append';
} elseif (preg_match('/(.?)(prepend)(.*)/', $block_tag, $_match) != 0) {
$this->smarty->block_data[$_name]['mode'] = 'prepend';
} else {
$this->smarty->block_data[$_name]['mode'] = 'replace';
}
$this->smarty->block_data[$_name]['file'] = $_filepath;
}
}
/**
* Get filepath to compiled template
*
* @param object $_template template object
* @return string return path to compiled template
*/
public function getCompiledFilepath($_template)
{
$_compile_id = isset($_template->compile_id) ? preg_replace('![^\w\|]+!', '_', $_template->compile_id) : null;
$_files = explode('|', $_template->resource_name);
// calculate Uid if not already done
if ($_template->templateUid == '') {
$_template->getTemplateFilepath();
}
$_filepath = $_template->templateUid;
// if use_sub_dirs, break file into directories
if ($_template->smarty->use_sub_dirs) {
$_filepath = substr($_filepath, 0, 2) . DS
. substr($_filepath, 2, 2) . DS
. substr($_filepath, 4, 2) . DS
. $_filepath;
}
$_compile_dir_sep = $_template->smarty->use_sub_dirs ? DS : '^';
if (isset($_compile_id)) {
$_filepath = $_compile_id . $_compile_dir_sep . $_filepath;
}
if ($_template->caching) {
$_cache = '.cache';
} else {
$_cache = '';
}
$_compile_dir = $_template->smarty->compile_dir;
if (substr($_compile_dir, -1) != DS) {
$_compile_dir .= DS;
}
return $_compile_dir . $_filepath . '.' . $_template->resource_type . '.' . basename($_files[count($_files)-1]) . $_cache . '.php';
}
}
?>