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   1  <?php
   2  /**
   3   * Smarty Internal Plugin Compile Block Plugin
   4   *
   5   * Compiles code for the execution of block plugin
   6   *
   7   * @package Smarty
   8   * @subpackage Compiler
   9   * @author Uwe Tews
  10   */
  11  
  12  /**
  13   * Smarty Internal Plugin Compile Block Plugin Class
  14   *
  15   * @package Smarty
  16   * @subpackage Compiler
  17   */
  18  class Smarty_Internal_Compile_Private_Block_Plugin extends Smarty_Internal_CompileBase {
  19  
  20      /**
  21       * Attribute definition: Overwrites base class.
  22       *
  23       * @var array
  24       * @see Smarty_Internal_CompileBase
  25       */
  26      public $optional_attributes = array('_any');
  27  
  28      /**
  29       * Compiles code for the execution of block plugin
  30       *
  31       * @param array  $args      array with attributes from parser
  32       * @param object $compiler  compiler object
  33       * @param array  $parameter array with compilation parameter
  34       * @param string $tag       name of block plugin
  35       * @param string $function  PHP function name
  36       * @return string compiled code
  37       */
  38      public function compile($args, $compiler, $parameter, $tag, $function)
  39      {
  40          if (!isset($tag[5]) || substr($tag, -5) != 'close') {
  41              // opening tag of block plugin
  42              // check and get attributes
  43              $_attr = $this->getAttributes($compiler, $args);
  44              if ($_attr['nocache'] === true) {
  45                  $compiler->tag_nocache = true;
  46              }
  47                 unset($_attr['nocache']);
  48              // convert attributes into parameter array string
  49              $_paramsArray = array();
  50              foreach ($_attr as $_key => $_value) {
  51                  if (is_int($_key)) {
  52                      $_paramsArray[] = "$_key=>$_value";
  53                  } else {
  54                      $_paramsArray[] = "'$_key'=>$_value";
  55                  }
  56              }
  57              $_params = 'array(' . implode(",", $_paramsArray) . ')';
  58  
  59              $this->openTag($compiler, $tag, array($_params, $compiler->nocache));
  60              // maybe nocache because of nocache variables or nocache plugin
  61              $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
  62              // compile code
  63              $output = "<?php \$_smarty_tpl->smarty->_tag_stack[] = array('{$tag}', {$_params}); \$_block_repeat=true; echo {$function}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";
  64          } else {
  65              // must endblock be nocache?
  66              if ($compiler->nocache) {
  67                  $compiler->tag_nocache = true;
  68              }
  69              // closing tag of block plugin, restore nocache
  70              list($_params, $compiler->nocache) = $this->closeTag($compiler, substr($tag, 0, -5));
  71              // This tag does create output
  72              $compiler->has_output = true;
  73              // compile code
  74              if (!isset($parameter['modifier_list'])) {
  75                  $mod_pre = $mod_post ='';
  76              } else {
  77                  $mod_pre = ' ob_start(); ';
  78                  $mod_post = 'echo '.$compiler->compileTag('private_modifier',array(),array('modifierlist'=>$parameter['modifier_list'],'value'=>'ob_get_clean()')).';';
  79              }
  80              $output = "<?php \$_block_content = ob_get_clean(); \$_block_repeat=false;".$mod_pre." echo {$function}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat); ".$mod_post." } array_pop(\$_smarty_tpl->smarty->_tag_stack);?>";
  81          }
  82          return $output . "\n";
  83      }
  84  
  85  }
  86  
  87  ?>