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<?php
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/**
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* Smarty Internal Plugin Templateparser Parse Tree
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* These are classes to build parse tree in the template parser
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*
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* @package Smarty
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* @subpackage Compiler
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* @author Thue Kristensen
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* @author Uwe Tews
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*/
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/**
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* Template element
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*
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* @package Smarty
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* @subpackage Compiler
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* @ignore
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*/
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class Smarty_Internal_ParseTree_Template extends Smarty_Internal_ParseTree
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{
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/**
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* Array of template elements
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*
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* @var array
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*/
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public $subtrees = array();
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/**
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* Create root of parse tree for template elements
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*/
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public function __construct()
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{
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}
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/**
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* Append buffer to subtree
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*
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* @param \Smarty_Internal_Templateparser $parser
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* @param Smarty_Internal_ParseTree $subtree
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*/
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public function append_subtree(Smarty_Internal_Templateparser $parser, Smarty_Internal_ParseTree $subtree)
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{
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if (!empty($subtree->subtrees)) {
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$this->subtrees = array_merge($this->subtrees, $subtree->subtrees);
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} else {
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if ($subtree->data !== '') {
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$this->subtrees[] = $subtree;
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}
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}
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}
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/**
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* Append array to subtree
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*
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* @param \Smarty_Internal_Templateparser $parser
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* @param \Smarty_Internal_ParseTree[] $array
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*/
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public function append_array(Smarty_Internal_Templateparser $parser, $array = array())
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{
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if (!empty($array)) {
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$this->subtrees = array_merge($this->subtrees, (array)$array);
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}
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}
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/**
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* Prepend array to subtree
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*
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* @param \Smarty_Internal_Templateparser $parser
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* @param \Smarty_Internal_ParseTree[] $array
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*/
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public function prepend_array(Smarty_Internal_Templateparser $parser, $array = array())
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{
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if (!empty($array)) {
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$this->subtrees = array_merge((array)$array, $this->subtrees);
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}
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}
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/**
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* Sanitize and merge subtree buffers together
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*
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* @param \Smarty_Internal_Templateparser $parser
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*
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* @return string template code content
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*/
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public function to_smarty_php(Smarty_Internal_Templateparser $parser)
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{
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$code = '';
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foreach ($this->getChunkedSubtrees() as $chunk) {
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$text = '';
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switch ($chunk['mode']) {
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case 'textstripped':
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foreach ($chunk['subtrees'] as $subtree) {
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$text .= $subtree->to_smarty_php($parser);
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}
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$code .= preg_replace(
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'/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/',
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"<?php echo '\$1'; ?>\n",
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$parser->compiler->processText($text)
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);
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break;
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case 'text':
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foreach ($chunk['subtrees'] as $subtree) {
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$text .= $subtree->to_smarty_php($parser);
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}
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$code .= preg_replace(
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'/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/',
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"<?php echo '\$1'; ?>\n",
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$text
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);
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break;
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case 'tag':
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foreach ($chunk['subtrees'] as $subtree) {
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$text = $parser->compiler->appendCode($text, $subtree->to_smarty_php($parser));
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}
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$code .= $text;
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break;
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default:
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foreach ($chunk['subtrees'] as $subtree) {
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$text = $subtree->to_smarty_php($parser);
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}
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$code .= $text;
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}
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}
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return $code;
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}
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private function getChunkedSubtrees() {
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$chunks = array();
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$currentMode = null;
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$currentChunk = array();
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for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key++) {
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if ($this->subtrees[ $key ]->data === '' && in_array($currentMode, array('textstripped', 'text', 'tag'))) {
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continue;
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}
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if ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text
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&& $this->subtrees[ $key ]->isToBeStripped()) {
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$newMode = 'textstripped';
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} elseif ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text) {
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$newMode = 'text';
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} elseif ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Tag) {
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$newMode = 'tag';
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} else {
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$newMode = 'other';
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}
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if ($newMode == $currentMode) {
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$currentChunk[] = $this->subtrees[ $key ];
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} else {
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$chunks[] = array(
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'mode' => $currentMode,
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'subtrees' => $currentChunk
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);
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$currentMode = $newMode;
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$currentChunk = array($this->subtrees[ $key ]);
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}
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}
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if ($currentMode && $currentChunk) {
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$chunks[] = array(
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'mode' => $currentMode,
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'subtrees' => $currentChunk
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);
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}
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return $chunks;
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}
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}
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