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<?php
/**
* Smarty Internal Plugin Templateparser Parse Tree
* These are classes to build parse tree in the template parser
*
* @package Smarty
* @subpackage Compiler
* @author Thue Kristensen
* @author Uwe Tews
*/
/**
* Template element
*
* @package Smarty
* @subpackage Compiler
* @ignore
*/
class Smarty_Internal_ParseTree_Template extends Smarty_Internal_ParseTree
{
/**
* Array of template elements
*
* @var array
*/
public $subtrees = Array();
/**
* Create root of parse tree for template elements
*
* @param object $parser parse object
*/
public function __construct($parser)
{
$this->parser = $parser;
}
/**
* Append buffer to subtree
*
* @param Smarty_Internal_ParseTree $subtree
*/
public function append_subtree(Smarty_Internal_ParseTree $subtree)
{
if (!empty($subtree->subtrees)) {
$this->subtrees = array_merge($this->subtrees, $subtree->subtrees);
} else {
if ($subtree->data !== '') {
$this->subtrees[] = $subtree;
}
}
}
/**
* Sanitize and merge subtree buffers together
*
* @return string template code content
*/
public function to_smarty_php()
{
$code = '';
for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key ++) {
if ($this->subtrees[$key] instanceof Smarty_Internal_ParseTree_Text) {
$subtree = $this->subtrees[$key]->to_smarty_php();
while ($key + 1 < $cnt && ($this->subtrees[$key + 1] instanceof Smarty_Internal_ParseTree_Text || $this->subtrees[$key + 1]->data == '')) {
$key ++;
if ($this->subtrees[$key]->data == '') {
continue;
}
$subtree .= $this->subtrees[$key]->to_smarty_php();
}
if ($subtree == '') {
continue;
}
$code .= preg_replace('/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/', "<?php echo '\$1'; ?>\n", $subtree);
continue;
}
if ($this->subtrees[$key] instanceof Smarty_Internal_ParseTree_Tag) {
$subtree = $this->subtrees[$key]->to_smarty_php();
while ($key + 1 < $cnt && ($this->subtrees[$key + 1] instanceof Smarty_Internal_ParseTree_Tag || $this->subtrees[$key + 1]->data == '')) {
$key ++;
if ($this->subtrees[$key]->data == '') {
continue;
}
$subtree = $this->parser->compiler->appendCode($subtree, $this->subtrees[$key]->to_smarty_php());
}
if ($subtree == '') {
continue;
}
$code .= $subtree;
continue;
}
$code .= $this->subtrees[$key]->to_smarty_php();
}
return $code;
}
}
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