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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
*/
public function __construct()
{
}
/**
* Append buffer to subtree
*
* @param \Smarty_Internal_Templateparser $parser
* @param Smarty_Internal_ParseTree $subtree
*/
public function append_subtree(Smarty_Internal_Templateparser $parser, Smarty_Internal_ParseTree $subtree)
{
if (!empty($subtree->subtrees)) {
$this->subtrees = array_merge($this->subtrees, $subtree->subtrees);
} else {
if ($subtree->data !== '') {
$this->subtrees[] = $subtree;
}
}
}
/**
* Append array to subtree
*
* @param \Smarty_Internal_Templateparser $parser
* @param \Smarty_Internal_ParseTree[] $array
*/
public function append_array(Smarty_Internal_Templateparser $parser, $array = array())
{
if (!empty($array)) {
$this->subtrees = array_merge($this->subtrees, (array)$array);
}
}
/**
* Prepend array to subtree
*
* @param \Smarty_Internal_Templateparser $parser
* @param \Smarty_Internal_ParseTree[] $array
*/
public function prepend_array(Smarty_Internal_Templateparser $parser, $array = array())
{
if (!empty($array)) {
$this->subtrees = array_merge((array)$array, $this->subtrees);
}
}
/**
* Sanitize and merge subtree buffers together
*
* @param \Smarty_Internal_Templateparser $parser
*
* @return string template code content
*/
public function to_smarty_php(Smarty_Internal_Templateparser $parser)
{
$code = '';
foreach ($this->getChunkedSubtrees() as $chunk) {
$text = '';
switch ($chunk['mode']) {
case 'textstripped':
foreach ($chunk['subtrees'] as $subtree) {
$text .= $subtree->to_smarty_php($parser);
}
$code .= preg_replace(
'/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/',
"<?php echo '\$1'; ?>\n",
$parser->compiler->processText($text)
);
break;
case 'text':
foreach ($chunk['subtrees'] as $subtree) {
$text .= $subtree->to_smarty_php($parser);
}
$code .= preg_replace(
'/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/',
"<?php echo '\$1'; ?>\n",
$text
);
break;
case 'tag':
foreach ($chunk['subtrees'] as $subtree) {
$text = $parser->compiler->appendCode($text, $subtree->to_smarty_php($parser));
}
$code .= $text;
break;
default:
foreach ($chunk['subtrees'] as $subtree) {
$text = $subtree->to_smarty_php($parser);
}
$code .= $text;
}
}
return $code;
}
private function getChunkedSubtrees() {
$chunks = array();
$currentMode = null;
$currentChunk = array();
for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key++) {
if ($this->subtrees[ $key ]->data === '' && in_array($currentMode, array('textstripped', 'text', 'tag'))) {
continue;
}
if ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text
&& $this->subtrees[ $key ]->isToBeStripped()) {
$newMode = 'textstripped';
} elseif ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text) {
$newMode = 'text';
} elseif ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Tag) {
$newMode = 'tag';
} else {
$newMode = 'other';
}
if ($newMode == $currentMode) {
$currentChunk[] = $this->subtrees[ $key ];
} else {
$chunks[] = array(
'mode' => $currentMode,
'subtrees' => $currentChunk
);
$currentMode = $newMode;
$currentChunk = array($this->subtrees[ $key ]);
}
}
if ($currentMode && $currentChunk) {
$chunks[] = array(
'mode' => $currentMode,
'subtrees' => $currentChunk
);
}
return $chunks;
}
}