function Smarty_Compiler::_compile_custom_tag in Quiz 6.6

Same name and namespace in other branches

1. 6.5 includes/moodle/lib/smarty/Smarty_Compiler.class.php \Smarty_Compiler::_compile_custom_tag()

compile custom function tag

Parameters

string $tag_command:

string $tag_args:

string $tag_modifier:

Return value

string

1 call to Smarty_Compiler::_compile_custom_tag()

Smarty_Compiler::_compile_tag in includes/moodle/lib/smarty/Smarty_Compiler.class.php

Compile a template tag

File

includes/moodle/lib/smarty/Smarty_Compiler.class.php, line 754

Class

Smarty_Compiler

Template compiling class @package Smarty

Code

function _compile_custom_tag($tag_command, $tag_args, $tag_modifier, &$output) {
  $found = false;
  $have_function = true;

  /*
   * First we check if the custom function has already been registered
   * or loaded from a plugin file.
   */
  if (isset($this->_plugins['function'][$tag_command])) {
    $found = true;
    $plugin_func = $this->_plugins['function'][$tag_command][0];
    if (!is_callable($plugin_func)) {
      $message = "custom function '{$tag_command}' is not implemented";
      $have_function = false;
    }
  }
  else {
    if ($plugin_file = $this
      ->_get_plugin_filepath('function', $tag_command)) {
      $found = true;
      include_once $plugin_file;
      $plugin_func = 'smarty_function_' . $tag_command;
      if (!function_exists($plugin_func)) {
        $message = "plugin function {$plugin_func}() not found in {$plugin_file}\n";
        $have_function = false;
      }
      else {
        $this->_plugins['function'][$tag_command] = array(
          $plugin_func,
          null,
          null,
          null,
          true,
        );
      }
    }
  }
  if (!$found) {
    return false;
  }
  else {
    if (!$have_function) {
      $this
        ->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__);
      return true;
    }
  }

  /* declare plugin to be loaded on display of the template that
     we compile right now */
  $this
    ->_add_plugin('function', $tag_command);
  $_cacheable_state = $this
    ->_push_cacheable_state('function', $tag_command);
  $attrs = $this
    ->_parse_attrs($tag_args);
  $arg_list = $this
    ->_compile_arg_list('function', $tag_command, $attrs, $_cache_attrs = '');
  $output = $this
    ->_compile_plugin_call('function', $tag_command) . '(array(' . implode(',', $arg_list) . "), \$this)";
  if ($tag_modifier != '') {
    $this
      ->_parse_modifiers($output, $tag_modifier);
  }
  if ($output != '') {
    $output = '<?php ' . $_cacheable_state . $_cache_attrs . 'echo ' . $output . ';' . $this
      ->_pop_cacheable_state('function', $tag_command) . "?>" . $this->_additional_newline;
  }
  return true;
}