<?php
/**
* Smarty Internal Plugin Resource Extends
*
* @package Smarty
* @subpackage TemplateResources
* @author Uwe Tews
* @author Rodney Rehm
*/
/**
* Smarty Internal Plugin Resource Extends
*
* Implements the file system as resource for Smarty which {extend}s a chain of template files templates
*
* @package Smarty
* @subpackage TemplateResources
*/
class Smarty_Internal_Resource_Extends extends Smarty_Resource {
/**
* mbstring.overload flag
*
* @var int
*/
public $mbstring_overload = 0;
/**
* 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)
{
$uid = '';
$sources = array();
$components = explode('|', $source->name);
$exists = true;
foreach ($components as $component) {
$s = Smarty_Resource::source(null, $source->smarty, $component);
if ($s->type == 'php') {
throw new SmartyException("Resource type {$s->type} cannot be used with the extends resource type");
}
$sources[$s->uid] = $s;
$uid .= $s->filepath;
if ($_template && $_template->smarty->compile_check) {
$exists = $exists && $s->exists;
}
}
$source->components = $sources;
$source->filepath = $s->filepath;
$source->uid = sha1($uid);
if ($_template && $_template->smarty->compile_check) {
$source->timestamp = $s->timestamp;
$source->exists = $exists;
}
// need the template at getContent()
$source->template = $_template;
}
/**
* populate Source Object with timestamp and exists from Resource
*
* @param Smarty_Template_Source $source source object
*/
public function populateTimestamp(Smarty_Template_Source $source)
{
$source->exists = true;
foreach ($source->components as $s) {
$source->exists = $source->exists && $s->exists;
}
$source->timestamp = $s->timestamp;
}
/**
* Load template's source from files 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) {
throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");
}
$this->mbstring_overload = ini_get('mbstring.func_overload') & 2;
$_rdl = preg_quote($source->smarty->right_delimiter);
$_ldl = preg_quote($source->smarty->left_delimiter);
if (!$source->smarty->auto_literal) {
$al = '\s*';
} else {
$al = '';
}
$_components = array_reverse($source->components);
$_first = reset($_components);
$_last = end($_components);
foreach ($_components as $_component) {
// register dependency
if ($_component != $_first) {
$source->template->properties['file_dependency'][$_component->uid] = array($_component->filepath, $_component->timestamp, $_component->type);
}
// read content
$source->filepath = $_component->filepath;
$_content = $_component->content;
// extend sources
if ($_component != $_last) {
if (preg_match_all("!({$_ldl}{$al}block\s(.+?)\s*{$_rdl})!", $_content, $_open) !=
preg_match_all("!({$_ldl}{$al}/block\s*{$_rdl})!", $_content, $_close)) {
throw new SmartyException("unmatched {block} {/block} pairs in template {$_component->type} '{$_component->name}'");
}
preg_match_all("!{$_ldl}{$al}block\s(.+?)\s*{$_rdl}|{$_ldl}{$al}/block\s*{$_rdl}|{$_ldl}\*([\S\s]*?)\*{$_rdl}!", $_content, $_result, PREG_OFFSET_CAPTURE);
$_result_count = count($_result[0]);
$_start = 0;
while ($_start+1 < $_result_count) {
$_end = 0;
$_level = 1;
if (($this->mbstring_overload ? mb_substr($_result[0][$_start][0],0,mb_strlen($source->smarty->left_delimiter,'latin1')+1, 'latin1') : substr($_result[0][$_start][0],0,strlen($source->smarty->left_delimiter)+1)) == $source->smarty->left_delimiter.'*') {
$_start++;
continue;
}
while ($_level != 0) {
$_end++;
if (($this->mbstring_overload ? mb_substr($_result[0][$_start + $_end][0],0,mb_strlen($source->smarty->left_delimiter,'latin1')+1, 'latin1') : substr($_result[0][$_start + $_end][0],0,strlen($source->smarty->left_delimiter)+1)) == $source->smarty->left_delimiter.'*') {
continue;
}
if (!strpos($_result[0][$_start + $_end][0], '/')) {
$_level++;
} else {
$_level--;
}
}
$_block_content = str_replace($source->smarty->left_delimiter . '$smarty.block.parent' . $source->smarty->right_delimiter, '%%%%SMARTY_PARENT%%%%',
($this->mbstring_overload ? mb_substr($_content, $_result[0][$_start][1] + mb_strlen($_result[0][$_start][0], 'latin1'), $_result[0][$_start + $_end][1] - $_result[0][$_start][1] - + mb_strlen($_result[0][$_start][0], 'latin1'), 'latin1') : 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]))));
Smarty_Internal_Compile_Block::saveBlockData($_block_content, $_result[0][$_start][0], $source->template, $_component->filepath);
$_start = $_start + $_end + 1;
}
} else {
return $_content;
}
}
}
/**
* Determine basename for compiled filename
*
* @param Smarty_Template_Source $source source object
* @return string resource's basename
*/
public function getBasename(Smarty_Template_Source $source)
{
return str_replace(':', '.', basename($source->filepath));
}
}
?>