<?php
/**
* Smarty Internal Plugin Compile extend
*
* Compiles the {extends} tag
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile extend Class
*/
class Smarty_Internal_Compile_Extends extends Smarty_Internal_CompileBase {
/**
* Compiles code for the {extends} tag
*
* @param array $args array with attributes from parser
* @param object $compiler compiler object
* @return string compiled code
*/
public function compile($args, $compiler)
{
$this->compiler = $compiler;
$this->smarty = $compiler->smarty;
$this->_rdl = preg_quote($this->smarty->right_delimiter);
$this->_ldl = preg_quote($this->smarty->left_delimiter);
$this->required_attributes = array('file');
// check and get attributes
$_attr = $this->_get_attributes($args);
$_smarty_tpl = $compiler->template;
// $include_file = '';
eval('$include_file = ' . $_attr['file'] . ';');
// create template object
$_template = new $compiler->smarty->template_class($include_file, $this->smarty, $compiler->template);
// save file dependency
$compiler->template->properties['file_dependency'][sha1($_template->getTemplateFilepath())] = array($_template->getTemplateFilepath(), $_template->getTemplateTimestamp());
$_content = $compiler->template->template_source;
if (preg_match_all("!({$this->_ldl}block(.+?){$this->_rdl})!", $_content, $s) !=
preg_match_all("!({$this->_ldl}/block(.*?){$this->_rdl})!", $_content, $c)) {
$this->compiler->trigger_template_error('unmatched {block} {/block} pairs');
}
preg_match_all("!{$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], $compiler->template);
$_start = $_start + $_end + 1;
}
$compiler->template->template_source = $_template->getTemplateSource();
$compiler->template->template_filepath = $_template->getTemplateFilepath();
$compiler->abort_and_recompile = true;
return ' ';
}
protected function saveBlockData($block_content, $block_tag, $template)
{
if (0 == preg_match("!(.?)(name=)(.*?)(?=(\s|{$this->_rdl}))!", $block_tag, $_match)) {
$this->compiler->trigger_template_error("\"" . $block_tag . "\" missing name attribute");
} 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'] = $template->getTemplateFilepath();
}
}
}
?>