File size: 6.49Kb
<?php
/**
* Smarty Internal Plugin Resource File
*
* @package Smarty
* @subpackage TemplateResources
* @author Uwe Tews
* @author Rodney Rehm
*/
/**
* Smarty Internal Plugin Resource File
* Implements the file system as resource for Smarty templates
*
* @package Smarty
* @subpackage TemplateResources
*/
class Smarty_Internal_Resource_File extends Smarty_Resource
{
/**
* build template filepath by traversing the template_dir array
*
* @param Smarty_Template_Source $source source object
* @param Smarty_Internal_Template $_template template object
*
* @return string fully qualified filepath
* @throws SmartyException
*/
protected function buildFilepath(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
{
$file = $source->name;
// absolute file ?
if ($file[ 0 ] == '/' || $file[ 1 ] == ':') {
$file = $source->smarty->_realpath($file, true);
return is_file($file) ? $file : false;
}
// go relative to a given template?
if ($file[ 0 ] == '.' && $_template && isset($_template->parent) && $_template->parent->_objType == 2 &&
preg_match('#^[.]{1,2}[\\\/]#', $file)
) {
if ($_template->parent->source->type != 'file' && $_template->parent->source->type != 'extends' &&
!isset($_template->parent->_cache[ 'allow_relative_path' ])
) {
throw new SmartyException("Template '{$file}' cannot be relative to template of resource type '{$_template->parent->source->type}'");
}
// normalize path
$path = $source->smarty->_realpath(dirname($_template->parent->source->filepath) . DS . $file);
// files relative to a template only get one shot
return is_file($path) ? $path : false;
}
// normalize DS
if (strpos($file, DS == '/' ? '\\' : '/') !== false) {
$file = str_replace(DS == '/' ? '\\' : '/', DS, $file);
}
$_directories = $source->smarty->getTemplateDir(null, $source->isConfig);
// template_dir index?
if ($file[ 0 ] == '[' && preg_match('#^\[([^\]]+)\](.+)$#', $file, $fileMatch)) {
$file = $fileMatch[ 2 ];
$_indices = explode(',', $fileMatch[ 1 ]);
$_index_dirs = array();
foreach ($_indices as $index) {
$index = trim($index);
// try string indexes
if (isset($_directories[ $index ])) {
$_index_dirs[] = $_directories[ $index ];
} elseif (is_numeric($index)) {
// try numeric index
$index = (int) $index;
if (isset($_directories[ $index ])) {
$_index_dirs[] = $_directories[ $index ];
} else {
// try at location index
$keys = array_keys($_directories);
if (isset($_directories[ $keys[ $index ] ])) {
$_index_dirs[] = $_directories[ $keys[ $index ] ];
}
}
}
}
if (empty($_index_dirs)) {
// index not found
return false;
} else {
$_directories = $_index_dirs;
}
}
// relative file name?
foreach ($_directories as $_directory) {
$path = $_directory . $file;
if (is_file($path)) {
return (strpos($path, '.' . DS) !== false) ? $source->smarty->_realpath($path) : $path;
}
}
if (!isset($_index_dirs)) {
// Could be relative to cwd
$path = $source->smarty->_realpath($file, true);
if (is_file($path)) {
return $path;
}
}
// Use include path ?
if ($source->smarty->use_include_path) {
return $source->smarty->ext->_getIncludePath->getIncludePath($_directories, $file, $source->smarty);
}
return false;
}
/**
* populate Source Object with meta data from Resource
*
* @param Smarty_Template_Source $source source object
* @param Smarty_Internal_Template $_template template object
*/
public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
{
$source->filepath = $this->buildFilepath($source, $_template);
if ($source->filepath !== false) {
if (isset($source->smarty->security_policy) && is_object($source->smarty->security_policy)) {
$source->smarty->security_policy->isTrustedResourceDir($source->filepath, $source->isConfig);
}
$source->exists = true;
$source->uid = sha1($source->filepath . ($source->isConfig ? $source->smarty->_joined_config_dir :
$source->smarty->_joined_template_dir));
$source->timestamp = filemtime($source->filepath);
} else {
$source->timestamp = $source->exists = false;
}
}
/**
* populate Source Object with timestamp and exists from Resource
*
* @param Smarty_Template_Source $source source object
*/
public function populateTimestamp(Smarty_Template_Source $source)
{
if (!$source->exists) {
$source->timestamp = $source->exists = is_file($source->filepath);
}
if ($source->exists) {
$source->timestamp = filemtime($source->filepath);
}
}
/**
* Load template's source from file into current template object
*
* @param Smarty_Template_Source $source source object
*
* @return string template source
* @throws SmartyException if source cannot be loaded
*/
public function getContent(Smarty_Template_Source $source)
{
if ($source->exists) {
return file_get_contents($source->filepath);
}
throw new SmartyException('Unable to read ' . ($source->isConfig ? 'config' : 'template') .
" {$source->type} '{$source->name}'");
}
/**
* Determine basename for compiled filename
*
* @param Smarty_Template_Source $source source object
*
* @return string resource's basename
*/
public function getBasename(Smarty_Template_Source $source)
{
return basename($source->filepath);
}
}