smarty_compiler.class.php

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<?
  class smarty_compiler
  {
    var $_sectionelse_stack = array ();
    var $_foreachelse_stack = array ();
    var $_literal_blocks = array ();
    var $_php_blocks = array ();
    var $_current_file = null;
    var $_current_line_no = 1;
    var $_capture_stack = array ();
    function _compile_file ($tpl_file, $template_source, &$template_compiled)
    {
      if ($this->security)
      {
        if ((($this->php_handling == SMARTY_PHP_ALLOW) AND !$this->security_settings['PHP_HANDLING']))
        {
          $this->php_handling = SMARTY_PHP_PASSTHRU;
        }
      }
      if ((is_array ($this->prefilter_funcs) AND (0 < count ($this->prefilter_funcs))))
      {
        foreach ($this->prefilter_funcs as $prefilter)
        {
          if (function_exists ($prefilter))
          {
            $template_source = $prefilter ($template_source, $this);
            continue;
          }
          else
          {
            $this->_trigger_error_msg ((((''.'prefilter function ').$prefilter).' does not exist.'));
            continue;
          }
        }
      }
      $this->_current_file = $tpl_file;
      $this->_current_line_no = 1;
      $ldq = preg_quote ($this->left_delimiter, '!');
      $rdq = preg_quote ($this->right_delimiter, '!');
      $template_source = preg_replace ((((((''.'!(').$ldq).')\\*(.*?)\\*(').$rdq).')!se'), '\'\\1*\'.str_repeat("
", substr_count(\'\\2\', "
")) .\'*\\3\'', $template_source);
      preg_match_all ((((((((((''.'!').$ldq).'literal').$rdq).'(.*?)').$ldq).'/literal').$rdq).'!s'), $template_source, $match);
      $this->_literal_blocks = $match[1];
      $template_source = preg_replace ((((((((((''.'!').$ldq).'literal').$rdq).'(.*?)').$ldq).'/literal').$rdq).'!s'), $this->quote_replace ((($this->left_delimiter.'literal').$this->right_delimiter)), $template_source);
      preg_match_all ((((((((((''.'!').$ldq).'php').$rdq).'(.*?)').$ldq).'/php').$rdq).'!s'), $template_source, $match);
      $this->_php_blocks = $match[1];
      $template_source = preg_replace ((((((((((''.'!').$ldq).'php').$rdq).'(.*?)').$ldq).'/php').$rdq).'!s'), $this->quote_replace ((($this->left_delimiter.'php').$this->right_delimiter)), $template_source);
      preg_match_all ((((((''.'!').$ldq).'\\s*(.*?)\\s*').$rdq).'!s'), $template_source, $match);
      $template_tags = $match[1];
      $text_blocks = preg_split ((((((''.'!').$ldq).'.*?').$rdq).'!s'), $template_source);
      for ($curr_tb = 0; ($curr_tb < count ($text_blocks)); ++$curr_tb)
      {
        if (preg_match_all ('!(<\\?[^?]*?\\?>|<script\\s+language\\s*=\\s*[\\"\']?php[\\"\']?\\s*>)!is', $text_blocks[$curr_tb], $sp_match))
        {
          for ($curr_sp = 0; ($curr_sp < count ($sp_match[0])); ++$curr_sp)
          {
            if (preg_match ('!^(<\\?(php\\s|\\s|=\\s)|<script\\s*language\\s*=\\s*[\\"\']?php[\\"\']?\\s*>)!is', $sp_match[0][$curr_sp]))
            {
              if (($this->php_handling == SMARTY_PHP_PASSTHRU))
              {
                $text_blocks[$curr_tb] = str_replace ($sp_match[0][$curr_sp], ((('<?php echo \''.str_replace ('\'', '\\\'', $sp_match[0][$curr_sp])).'\'; ?>').'
'), $text_blocks[$curr_tb]);
                continue;
              }
              else
              {
                if (($this->php_handling == SMARTY_PHP_QUOTE))
                {
                  $text_blocks[$curr_tb] = str_replace ($sp_match[0][$curr_sp], htmlspecialchars ($sp_match[0][$curr_sp]), $text_blocks[$curr_tb]);
                  continue;
                }
                else
                {
                  if (($this->php_handling == SMARTY_PHP_REMOVE))
                  {
                    if ((substr ($sp_match[0][$curr_sp], 0, 2) == '<?'))
                    {
                      $text_blocks[$curr_tb] = str_replace ($sp_match[0][$curr_sp], '', $text_blocks[$curr_tb]);
                      continue;
                    }
                    else
                    {
                      $text_blocks[$curr_tb] = preg_replace ((('!'.preg_quote ($sp_match[0][$curr_sp], '!')).'.*?</script\\s*>!is'), '', $text_blocks[$curr_tb]);
                      continue;
                    }
                    continue;
                  }
                  continue;
                }
                continue;
              }
              continue;
            }
            $text_blocks[$curr_tb] = str_replace ($sp_match[0][$curr_sp], ((('<?php echo \''.str_replace ('\'', '\\\'', $sp_match[0][$curr_sp])).'\'; ?>').'
'), $text_blocks[$curr_tb]);
          }
          continue;
        }
      }
      $compiled_tags = array ();
      for ($i = 0; ($i < count ($template_tags)); ++$i)
      {
        ($this->_current_line_no += substr_count ($text_blocks[$i], '
'));
        $compiled_tags[] = $this->_compile_tag ($template_tags[$i]);
        ($this->_current_line_no += substr_count ($template_tags[$i], '
'));
      }
      $template_compiled = '';
      for ($i = 0; ($i < count ($compiled_tags)); ++$i)
      {
        ($template_compiled .= ($text_blocks[$i].$compiled_tags[$i]));
      }
      ($template_compiled .= $text_blocks[$i]);
      if (preg_match_all ((((((((((''.'!').$ldq).'strip').$rdq).'.*?').$ldq).'/strip').$rdq).'!s'), $template_compiled, $match))
      {
        $strip_tags = $match[0];
        $strip_tags_modified = preg_replace ((((((''.'!').$ldq).'/?strip').$rdq).'|[	 ]+$|^[	 ]+!m'), '', $strip_tags);
        $strip_tags_modified = preg_replace ('![\\r\\n]+!m', '', $strip_tags_modified);
        for ($i = 0; ($i < count ($strip_tags)); ++$i)
        {
          $template_compiled = preg_replace ((((((((((''.'!').$ldq).'strip').$rdq).'.*?').$ldq).'/strip').$rdq).'!s'), $this->quote_replace ($strip_tags_modified[$i]), $template_compiled, 1);
        }
      }
      $template_header = (((('<?php /* Smarty version '.$this->_version).', created on ').strftime ('%Y-%m-%d %H:%M:%S')).'
');
      ($template_header .= (('         compiled from '.$tpl_file).' */ ?>
'));
      $template_compiled = ($template_header.$template_compiled);
      if (($template_compiled[(strlen ($template_compiled) - 1)] == '
'))
      {
        $template_compiled = substr ($template_compiled, 0, -1);
      }
      if ((is_array ($this->postfilter_funcs) AND (0 < count ($this->postfilter_funcs))))
      {
        foreach ($this->postfilter_funcs as $postfilter)
        {
          if (function_exists ($postfilter))
          {
            $template_compiled = $postfilter ($template_compiled, $this);
            continue;
          }
          else
          {
            $this->_trigger_error_msg ((((''.'postfilter function ').$postfilter).' does not exist.'));
            continue;
          }
        }
      }
      return true;
    }
    function _compile_tag ($template_tag)
    {
      if ((($template_tag[0] == '*') AND ($template_tag[(strlen ($template_tag) - 1)] == '*')))
      {
        return '';
      }
      $qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'';
      preg_match ((('/^(
                       (?: '.$qstr_regexp).' | (?>[^"\'\\s]+))+
                      )
                      (?:\\s+(.*))?
                    /xs'), $template_tag, $match);
      $tag_command = $match[1];
      $tag_args = (isset ($match[2]) ? $match[2] : '');
      if (((preg_match ((('!^\\$\\w+(?>(\\[(\\d+|\\w+(\\.\\w+)?)\\])|((\\.|->)\\w+))*(?>\\|@?\\w+(:(?>'.$qstr_regexp).'|[^|]+))*)*$!'), $tag_command) OR preg_match ((('!^#(\\w+)#(?>\\|@?\\w+(:(?>'.$qstr_regexp).'|[^|]+))*)*$!'), $tag_command)) OR preg_match ((('!^%\\w+\\.\\w+%(?>\\|@?\\w+(:(?>'.$qstr_regexp).'|[^|]+))*)*$!'), $tag_command)))
      {
        settype ($tag_command, 'array');
        $this->_parse_vars_props ($tag_command);
        return (((''.'<?php echo ').$tag_command['0']).'; ?>
');
      }
      switch ($tag_command)
      {
        case 'include':
        {
          return $this->_compile_include_tag ($tag_args);
        }
        case 'include_php':
        {
          return $this->_compile_include_php_tag ($tag_args);
        }
        case 'if':
        {
          return $this->_compile_if_tag ($tag_args);
        }
        case 'else':
        {
          return '<?php else: ?>';
        }
        case 'elseif':
        {
          return $this->_compile_if_tag ($tag_args, true);
        }
        case '/if':
        {
          return '<?php endif; ?>';
        }
        case 'capture':
        {
          return $this->_compile_capture_tag (true, $tag_args);
        }
        case '/capture':
        {
          return $this->_compile_capture_tag (false);
        }
        case 'ldelim':
        {
          return $this->left_delimiter;
        }
        case 'rdelim':
        {
          return $this->right_delimiter;
        }
        case 'section':
        {
          array_push ($this->_sectionelse_stack, false);
          return $this->_compile_section_start ($tag_args);
        }
        case 'sectionelse':
        {
          $this->_sectionelse_stack[(count ($this->_sectionelse_stack) - 1)] = true;
          return '<?php endfor; else: ?>';
        }
        case '/section':
        {
          if (array_pop ($this->_sectionelse_stack))
          {
            return '<?php endif; ?>';
          }
          else
          {
            return '<?php endfor; endif; ?>';
          }
        }
        case 'foreach':
        {
          array_push ($this->_foreachelse_stack, false);
          return $this->_compile_foreach_start ($tag_args);
          break;
        }
        case 'foreachelse':
        {
          $this->_foreachelse_stack[(count ($this->_foreachelse_stack) - 1)] = true;
          return '<?php endforeach; else: ?>';
        }
        case '/foreach':
        {
          if (array_pop ($this->_foreachelse_stack))
          {
            return '<?php endif; ?>';
          }
          else
          {
            return '<?php endforeach; endif; ?>';
          }
        }
        case 'config_load':
        {
          return $this->_compile_config_load_tag ($tag_args);
        }
        case 'strip':
        {
        }
        case '/strip':
        {
          return (($this->left_delimiter.$tag_command).$this->right_delimiter);
        }
        case 'literal':
        {
          $literal_block = each ($this->_literal_blocks)[1];
          ($this->_current_line_no += substr_count ($literal_block, '
'));
          return (('<?php echo \''.str_replace ('\'', '\\\'', str_replace ('\\', '\\\\', $literal_block))).'\'; ?>
');
        }
        case 'php':
        {
          if (($this->security AND !$this->security_settings['PHP_TAGS']))
          {
            $this->_syntax_error ('(secure mode) php tags not permitted', E_USER_WARNING);
            return null;
          }
          $php_block = each ($this->_php_blocks)[1];
          ($this->_current_line_no += substr_count ($php_block, '
'));
          return (('<?php '.$php_block).' ?>');
        }
        case 'insert':
        {
          return $this->_compile_insert_tag ($tag_args);
        }
        default:
        {
          if (isset ($this->compiler_funcs[$tag_command]))
          {
            return $this->_compile_compiler_tag ($tag_command, $tag_args);
            break;
          }
          else
          {
            if (isset ($this->custom_funcs[$tag_command]))
            {
              return $this->_compile_custom_tag ($tag_command, $tag_args);
              break;
            }
            else
            {
              $this->_syntax_error ((((''.'unknown tag - \'').$tag_command).'\''), E_USER_WARNING);
              return null;
            }
          }
        }
      }
    }
    function _compile_compiler_tag ($tag_command, $tag_args)
    {
      $function = $this->compiler_funcs[$tag_command];
      if (!function_exists ($function))
      {
        $this->_syntax_error ((((''.'compiler function \'').$tag_command).'\' is not implemented'), E_USER_WARNING);
        return null;
      }
      return (('<?php '.$function ($tag_args, $this)).' ?>');
    }
    function _compile_custom_tag ($tag_command, $tag_args)
    {
      $function = $this->custom_funcs[$tag_command];
      if (!function_exists ($function))
      {
        $this->_syntax_error ((((''.'custom function \'').$tag_command).'\' is not implemented'), E_USER_WARNING);
        return null;
      }
      $arg_list = array ();
      $attrs = $this->_parse_attrs ($tag_args);
      foreach ($attrs as $arg_name => $arg_value)
      {
        if (is_bool ($arg_value))
        {
          $arg_value = ($arg_value ? 'true' : 'false');
        }
        $arg_list[] = ((((''.'\'').$arg_name).'\' => ').$arg_value);
      }
      return (((((''.'<?php ').$function).'(array(').implode (',', (array)$arg_list)).'), $this); if($this->_extract) { extract($this->_tpl_vars); $this->_extract=false; } ?>');
    }
    function _compile_insert_tag ($tag_args)
    {
      $attrs = $this->_parse_attrs ($tag_args);
      $name = substr ($attrs['name'], 1, -1);
      if (empty ($name))
      {
        $this->_syntax_error ('missing insert name');
      }
      foreach ($attrs as $arg_name => $arg_value)
      {
        if (is_bool ($arg_value))
        {
          $arg_value = ($arg_value ? 'true' : 'false');
        }
        $arg_list[] = ((((''.'\'').$arg_name).'\' => ').$arg_value);
      }
      return (('<?php echo $this->_run_insert_handler(array('.implode (', ', (array)$arg_list)).')); ?>
');
    }
    function _compile_config_load_tag ($tag_args)
    {
      $attrs = $this->_parse_attrs ($tag_args);
      if (empty ($attrs['file']))
      {
        $this->_syntax_error ('missing \'file\' attribute in config_load tag');
      }
      if (empty ($attrs['section']))
      {
        $attrs['section'] = 'null';
      }
      $scope = $this->_dequote ($attrs['scope']);
      if (!empty ($scope))
      {
        if (((($scope != 'local') AND ($scope != 'parent')) AND ($scope != 'global')))
        {
          $this->_syntax_error ('invalid \'scope\' attribute value');
        }
      }
      else
      {
        if ((!empty ($attrs['global']) AND $attrs['global']))
        {
          $scope = 'parent';
        }
        else
        {
          $scope = 'local';
        }
      }
      $output = (((('<?php $this->_config_load('.$attrs['file']).', ').$attrs['section']).(((''.', \'').$scope).'\'); ?>'));
      return $output;
    }
    function _compile_include_tag ($tag_args)
    {
      $attrs = $this->_parse_attrs ($tag_args);
      $arg_list = array ();
      if (empty ($attrs['file']))
      {
        $this->_syntax_error ('missing \'file\' attribute in include tag');
      }
      foreach ($attrs as $arg_name => $arg_value)
      {
        if (($arg_name == 'file'))