mirror of
https://github.com/phpbb/phpbb.git
synced 2025-02-24 03:54:10 +01:00
390 lines
9.6 KiB
PHP
390 lines
9.6 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb\template\twig;
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/**
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* Twig Template class.
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*/
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class twig extends \phpbb\template\base
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{
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/**
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* Path of the cache directory for the template
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*
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* Cannot be changed during runtime.
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*
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* @var string
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*/
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private $cachepath = '';
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/**
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* phpBB path helper
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* @var \phpbb\path_helper
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*/
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protected $path_helper;
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/**
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* phpBB root path
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* @var string
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*/
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protected $phpbb_root_path;
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/**
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* PHP file extension
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* @var string
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*/
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protected $php_ext;
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/**
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* phpBB config instance
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* @var \phpbb\config\config
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*/
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protected $config;
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/**
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* Current user
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* @var \phpbb\user
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*/
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protected $user;
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/**
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* Extension manager.
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*
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* @var \phpbb\extension\manager
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*/
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protected $extension_manager;
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/**
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* Twig Environment
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*
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* @var \Twig_Environment
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*/
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protected $twig;
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/**
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* Constructor.
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*
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* @param \phpbb\path_helper $path_helper
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* @param \phpbb\config\config $config
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* @param \phpbb\user $user
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* @param \phpbb\template\context $context template context
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* @param \phpbb\extension\manager $extension_manager extension manager, if null then template events will not be invoked
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*/
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public function __construct(\phpbb\path_helper $path_helper, $config, $user, \phpbb\template\context $context, \phpbb\extension\manager $extension_manager = null)
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{
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$this->path_helper = $path_helper;
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$this->phpbb_root_path = $path_helper->get_phpbb_root_path();
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$this->php_ext = $path_helper->get_php_ext();
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$this->config = $config;
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$this->user = $user;
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$this->context = $context;
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$this->extension_manager = $extension_manager;
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$this->cachepath = $this->phpbb_root_path . 'cache/twig/';
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// Initiate the loader, __main__ namespace paths will be setup later in set_style_names()
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$loader = new \phpbb\template\twig\loader('');
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$this->twig = new \phpbb\template\twig\environment(
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$this->config,
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$this->path_helper,
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$this->extension_manager,
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$loader,
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array(
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'cache' => (defined('IN_INSTALL')) ? false : $this->cachepath,
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'debug' => defined('DEBUG'),
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'auto_reload' => (bool) $this->config['load_tplcompile'],
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'autoescape' => false,
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)
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);
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$this->twig->addExtension(
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new \phpbb\template\twig\extension(
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$this->context,
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$this->user
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)
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);
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if (defined('DEBUG'))
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{
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$this->twig->addExtension(new \Twig_Extension_Debug());
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}
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$lexer = new \phpbb\template\twig\lexer($this->twig);
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$this->twig->setLexer($lexer);
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// Add admin namespace
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if ($this->path_helper->get_adm_relative_path() !== null && is_dir($this->phpbb_root_path . $this->path_helper->get_adm_relative_path() . 'style/'))
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{
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$this->twig->getLoader()->setPaths($this->phpbb_root_path . $this->path_helper->get_adm_relative_path() . 'style/', 'admin');
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}
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}
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/**
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* Clear the cache
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*
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* @return \phpbb\template\template
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*/
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public function clear_cache()
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{
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if (is_dir($this->cachepath))
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{
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$this->twig->clearCacheFiles();
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}
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return $this;
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}
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/**
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* Get the style tree of the style preferred by the current user
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*
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* @return array Style tree, most specific first
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*/
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public function get_user_style()
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{
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$style_list = array(
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$this->user->style['style_path'],
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);
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if ($this->user->style['style_parent_id'])
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{
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$style_list = array_merge($style_list, array_reverse(explode('/', $this->user->style['style_parent_tree'])));
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}
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return $style_list;
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}
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/**
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* Set style location based on (current) user's chosen style.
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*
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* @param array $style_directories The directories to add style paths for
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* E.g. array('ext/foo/bar/styles', 'styles')
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* Default: array('styles') (phpBB's style directory)
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* @return \phpbb\template\template $this
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*/
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public function set_style($style_directories = array('styles'))
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{
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if ($style_directories !== array('styles') && $this->twig->getLoader()->getPaths('core') === array())
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{
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// We should set up the core styles path since not already setup
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$this->set_style();
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}
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$names = $this->get_user_style();
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// Add 'all' folder to $names array
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// It allows extensions to load a template file from 'all' folder,
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// if a style doesn't include it.
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$names[] = 'all';
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$paths = array();
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foreach ($style_directories as $directory)
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{
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foreach ($names as $name)
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{
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$path = $this->phpbb_root_path . trim($directory, '/') . "/{$name}/";
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$template_path = $path . 'template/';
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$theme_path = $path . 'theme/';
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$is_valid_dir = false;
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if (is_dir($template_path))
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{
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$is_valid_dir = true;
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$paths[] = $template_path;
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}
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if (is_dir($theme_path))
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{
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$is_valid_dir = true;
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$paths[] = $theme_path;
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}
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if ($is_valid_dir)
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{
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// Add the base style directory as a safe directory
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$this->twig->getLoader()->addSafeDirectory($path);
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}
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}
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}
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// If we're setting up the main phpBB styles directory and the core
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// namespace isn't setup yet, we will set it up now
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if ($style_directories === array('styles') && $this->twig->getLoader()->getPaths('core') === array())
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{
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// Set up the core style paths namespace
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$this->twig->getLoader()->setPaths($paths, 'core');
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}
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$this->set_custom_style($names, $paths);
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return $this;
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}
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/**
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* Set custom style location (able to use directory outside of phpBB).
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*
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* Note: Templates are still compiled to phpBB's cache directory.
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*
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* @param string|array $names Array of names (or detailed names) or string of name of template(s) in inheritance tree order, used by extensions.
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* E.g. array(
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* 'name' => 'adm',
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* 'ext_path' => 'adm/style/',
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* )
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* @param string|array of string $paths Array of style paths, relative to current root directory
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* @return \phpbb\template\template $this
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*/
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public function set_custom_style($names, $paths)
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{
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$paths = (is_string($paths)) ? array($paths) : $paths;
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$names = (is_string($names)) ? array($names) : $names;
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// Set as __main__ namespace
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$this->twig->getLoader()->setPaths($paths);
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// Add all namespaces for all extensions
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if ($this->extension_manager instanceof \phpbb\extension\manager)
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{
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$names[] = 'all';
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foreach ($this->extension_manager->all_enabled() as $ext_namespace => $ext_path)
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{
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// namespaces cannot contain /
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$namespace = str_replace('/', '_', $ext_namespace);
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$paths = array();
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foreach ($names as $template_dir)
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{
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if (is_array($template_dir))
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{
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if (isset($template_dir['ext_path']))
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{
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$ext_style_template_path = $ext_path . $template_dir['ext_path'];
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$ext_style_path = dirname($ext_style_template_path);
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$ext_style_theme_path = $ext_style_path . 'theme/';
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}
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else
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{
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$ext_style_path = $ext_path . 'styles/' . $template_dir['name'] . '/';
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$ext_style_template_path = $ext_style_path . 'template/';
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$ext_style_theme_path = $ext_style_path . 'theme/';
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}
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}
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else
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{
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$ext_style_path = $ext_path . 'styles/' . $template_dir . '/';
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$ext_style_template_path = $ext_style_path . 'template/';
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$ext_style_theme_path = $ext_style_path . 'theme/';
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}
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$is_valid_dir = false;
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if (is_dir($ext_style_template_path))
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{
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$is_valid_dir = true;
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$paths[] = $ext_style_template_path;
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}
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if (is_dir($ext_style_theme_path))
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{
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$is_valid_dir = true;
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$paths[] = $ext_style_theme_path;
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}
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if ($is_valid_dir)
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{
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// Add the base style directory as a safe directory
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$this->twig->getLoader()->addSafeDirectory($ext_style_path);
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}
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}
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$this->twig->getLoader()->setPaths($paths, $namespace);
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}
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}
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return $this;
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}
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/**
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* Display a template for provided handle.
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*
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* The template will be loaded and compiled, if necessary, first.
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*
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* This function calls hooks.
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*
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* @param string $handle Handle to display
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* @return \phpbb\template\template $this
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*/
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public function display($handle)
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{
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$result = $this->call_hook($handle, __FUNCTION__);
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if ($result !== false)
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{
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return $result[0];
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}
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$this->twig->display($this->get_filename_from_handle($handle), $this->get_template_vars());
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return $this;
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}
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/**
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* Display the handle and assign the output to a template variable
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* or return the compiled result.
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*
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* @param string $handle Handle to operate on
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* @param string $template_var Template variable to assign compiled handle to
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* @param bool $return_content If true return compiled handle, otherwise assign to $template_var
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* @return \phpbb\template\template|string if $return_content is true return string of the compiled handle, otherwise return $this
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*/
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public function assign_display($handle, $template_var = '', $return_content = true)
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{
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if ($return_content)
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{
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return $this->twig->render($this->get_filename_from_handle($handle), $this->get_template_vars());
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}
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$this->assign_var($template_var, $this->twig->render($this->get_filename_from_handle($handle, $this->get_template_vars())));
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return $this;
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}
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/**
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* Get template vars in a format Twig will use (from the context)
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*
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* @return array
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*/
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protected function get_template_vars()
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{
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$context_vars = $this->context->get_data_ref();
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$vars = array_merge(
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$context_vars['.'][0], // To get normal vars
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array(
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'definition' => new \phpbb\template\twig\definition(),
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'user' => $this->user,
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'loops' => $context_vars, // To get loops
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)
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);
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// cleanup
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unset($vars['loops']['.']);
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return $vars;
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}
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/**
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* {@inheritdoc}
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*/
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public function get_source_file_for_handle($handle)
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{
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return $this->twig->getLoader()->getCacheKey($this->get_filename_from_handle($handle));
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}
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}
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