vendor/smarty/smarty/libs/sysplugins/smarty_internal_parsetree_template.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Templateparser Parse Tree
   4  * These are classes to build parse tree in the template parser
   5  *
   6  * @package    Smarty
   7  * @subpackage Compiler
   8  * @author     Thue Kristensen
   9  * @author     Uwe Tews
  10  */
  11
  12 /**
  13  * Template element
  14  *
  15  * @package    Smarty
  16  * @subpackage Compiler
  17  * @ignore
  18  */
  19 class Smarty_Internal_ParseTree_Template extends Smarty_Internal_ParseTree
  20 {
  21
  22     /**
  23      * Array of template elements
  24      *
  25      * @var array
  26      */
  27     public $subtrees = Array();
  28
  29     /**
  30      * Create root of parse tree for template elements
  31      *
  32      */
  33     public function __construct()
  34     {
  35     }
  36
  37     /**
  38      * Append buffer to subtree
  39      *
  40      * @param \Smarty_Internal_Templateparser $parser
  41      * @param Smarty_Internal_ParseTree       $subtree
  42      */
  43     public function append_subtree(Smarty_Internal_Templateparser $parser, Smarty_Internal_ParseTree $subtree)
  44     {
  45         if (!empty($subtree->subtrees)) {
  46             $this->subtrees = array_merge($this->subtrees, $subtree->subtrees);
  47         } else {
  48             if ($subtree->data !== '') {
  49                 $this->subtrees[] = $subtree;
  50             }
  51         }
  52     }
  53
  54     /**
  55      * Append array to subtree
  56      *
  57      * @param \Smarty_Internal_Templateparser $parser
  58      * @param \Smarty_Internal_ParseTree[]    $array
  59      */
  60     public function append_array(Smarty_Internal_Templateparser $parser, $array = array())
  61     {
  62         if (!empty($array)) {
  63             $this->subtrees = array_merge($this->subtrees, (array) $array);
  64         }
  65     }
  66
  67     /**
  68      * Prepend array to subtree
  69      *
  70      * @param \Smarty_Internal_Templateparser $parser
  71      * @param \Smarty_Internal_ParseTree[]    $array
  72      */
  73     public function prepend_array(Smarty_Internal_Templateparser $parser, $array = array())
  74     {
  75         if (!empty($array)) {
  76             $this->subtrees = array_merge((array) $array, $this->subtrees);
  77         }
  78     }
  79
  80     /**
  81      * Sanitize and merge subtree buffers together
  82      *
  83      * @param \Smarty_Internal_Templateparser $parser
  84      *
  85      * @return string template code content
  86      */
  87     public function to_smarty_php(Smarty_Internal_Templateparser $parser)
  88     {
  89         $code = '';
  90         for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key ++) {
  91             if ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text) {
  92                 $subtree = $this->subtrees[ $key ]->to_smarty_php($parser);
  93                 while ($key + 1 < $cnt && ($this->subtrees[ $key + 1 ] instanceof Smarty_Internal_ParseTree_Text ||
  94                                            $this->subtrees[ $key + 1 ]->data == '')) {
  95                     $key ++;
  96                     if ($this->subtrees[ $key ]->data == '') {
  97                         continue;
  98                     }
  99                     $subtree .= $this->subtrees[ $key ]->to_smarty_php($parser);
 100                 }
 101                 if ($subtree == '') {
 102                     continue;
 103                 }
 104                 $code .= preg_replace('/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/', "<?php echo '\$1'; ?>\n",
 105                                       $subtree);
 106                 continue;
 107             }
 108             if ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Tag) {
 109                 $subtree = $this->subtrees[ $key ]->to_smarty_php($parser);
 110                 while ($key + 1 < $cnt && ($this->subtrees[ $key + 1 ] instanceof Smarty_Internal_ParseTree_Tag ||
 111                                            $this->subtrees[ $key + 1 ]->data == '')) {
 112                     $key ++;
 113                     if ($this->subtrees[ $key ]->data == '') {
 114                         continue;
 115                     }
 116                     $subtree = $parser->compiler->appendCode($subtree, $this->subtrees[ $key ]->to_smarty_php($parser));
 117                 }
 118                 if ($subtree == '') {
 119                     continue;
 120                 }
 121                 $code .= $subtree;
 122                 continue;
 123             }
 124             $code .= $this->subtrees[ $key ]->to_smarty_php($parser);
 125         }
 126         return $code;
 127     }
 128 }