1400 lines
No EOL
41 KiB
PHP
1400 lines
No EOL
41 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based photo gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2012 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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class Template {
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var $smarty;
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var $output = '';
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// Hash of filenames for each template handle.
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var $files = array();
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// Template extents filenames for each template handle.
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var $extents = array();
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// Templates prefilter from external sources (plugins)
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var $external_filters = array();
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// used by html_head smarty block to add content before </head>
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var $html_head_elements = array();
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private $html_style = '';
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const COMBINED_SCRIPTS_TAG = '<!-- COMBINED_SCRIPTS -->';
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var $scriptLoader;
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const COMBINED_CSS_TAG = '<!-- COMBINED_CSS -->';
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var $css_by_priority = array();
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function Template($root = ".", $theme= "", $path = "template")
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{
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global $conf, $lang_info;
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$this->scriptLoader = new ScriptLoader;
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$this->smarty = new Smarty;
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$this->smarty->debugging = $conf['debug_template'];
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$this->smarty->compile_check = $conf['template_compile_check'];
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$this->smarty->force_compile = $conf['template_force_compile'];
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if (!isset($conf['data_dir_checked']))
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{
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$dir = PHPWG_ROOT_PATH.$conf['data_location'];
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mkgetdir($dir, MKGETDIR_DEFAULT&~MKGETDIR_DIE_ON_ERROR);
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if (!is_writable($dir))
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{
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load_language('admin.lang');
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fatal_error(
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sprintf(
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l10n('Give write access (chmod 777) to "%s" directory at the root of your Piwigo installation'),
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$conf['data_location']
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),
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l10n('an error happened'),
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false // show trace
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);
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}
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if (function_exists('pwg_query')) {
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conf_update_param('data_dir_checked', 1);
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}
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}
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if (!isset($conf['combined_dir_checked']))
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{
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$dir = PHPWG_ROOT_PATH.PWG_COMBINED_DIR;
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mkgetdir($dir, MKGETDIR_DEFAULT&~MKGETDIR_DIE_ON_ERROR);
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if (!is_writable($dir))
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{
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load_language('admin.lang');
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fatal_error(
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sprintf(
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l10n('Give write access (chmod 777) to "%s" directory at the root of your Piwigo installation'),
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PWG_COMBINED_DIR
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),
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l10n('an error happened'),
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false // show trace
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);
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}
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if (function_exists('pwg_query')) {
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conf_update_param('combined_dir_checked', 1);
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}
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}
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$compile_dir = PHPWG_ROOT_PATH.$conf['data_location'].'templates_c';
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mkgetdir( $compile_dir );
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$this->smarty->compile_dir = $compile_dir;
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$this->smarty->assign_by_ref( 'pwg', new PwgTemplateAdapter() );
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$this->smarty->register_modifier( 'translate', array('Template', 'mod_translate') );
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$this->smarty->register_modifier( 'explode', array('Template', 'mod_explode') );
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$this->smarty->register_modifier( 'get_extent', array(&$this, 'get_extent') );
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$this->smarty->register_block('html_head', array(&$this, 'block_html_head') );
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$this->smarty->register_block('html_style', array(&$this, 'block_html_style') );
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$this->smarty->register_function('combine_script', array(&$this, 'func_combine_script') );
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$this->smarty->register_function('get_combined_scripts', array(&$this, 'func_get_combined_scripts') );
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$this->smarty->register_function('combine_css', array(&$this, 'func_combine_css') );
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$this->smarty->register_function('define_derivative', array(&$this, 'func_define_derivative') );
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$this->smarty->register_compiler_function('get_combined_css', array(&$this, 'func_get_combined_css') );
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$this->smarty->register_block('footer_script', array(&$this, 'block_footer_script') );
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$this->smarty->register_prefilter( array('Template', 'prefilter_white_space') );
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if ( $conf['compiled_template_cache_language'] )
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{
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$this->smarty->register_prefilter( array('Template', 'prefilter_language') );
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}
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$this->smarty->template_dir = array();
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if ( !empty($theme) )
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{
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$this->set_theme($root, $theme, $path);
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$this->set_prefilter( 'header', array('Template', 'prefilter_local_css') );
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}
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else
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$this->set_template_dir($root);
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$this->smarty->assign('lang_info', $lang_info);
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if (!defined('IN_ADMIN') and isset($conf['extents_for_templates']))
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{
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$tpl_extents = unserialize($conf['extents_for_templates']);
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$this->set_extents($tpl_extents, './template-extension/', true, $theme);
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}
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}
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/**
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* Load theme's parameters.
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*/
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function set_theme($root, $theme, $path, $load_css=true, $load_local_head=true)
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{
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$this->set_template_dir($root.'/'.$theme.'/'.$path);
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$themeconf = $this->load_themeconf($root.'/'.$theme);
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if (isset($themeconf['parent']) and $themeconf['parent'] != $theme)
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{
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$this->set_theme(
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$root,
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$themeconf['parent'],
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$path,
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isset($themeconf['load_parent_css']) ? $themeconf['load_parent_css'] : $load_css,
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isset($themeconf['load_parent_local_head']) ? $themeconf['load_parent_local_head'] : $load_local_head
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);
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}
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$tpl_var = array(
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'id' => $theme,
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'load_css' => $load_css,
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);
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if (!empty($themeconf['local_head']) and $load_local_head)
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{
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$tpl_var['local_head'] = realpath($root.'/'.$theme.'/'.$themeconf['local_head'] );
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}
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$themeconf['id'] = $theme;
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$this->smarty->append('themes', $tpl_var);
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$this->smarty->append('themeconf', $themeconf, true);
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}
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/**
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* Add template directory for this Template object.
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* Set compile id if not exists.
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*/
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function set_template_dir($dir)
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{
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$this->smarty->template_dir[] = $dir;
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if (!isset($this->smarty->compile_id))
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{
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$real_dir = realpath($dir);
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$compile_id = crc32( $real_dir===false ? $dir : $real_dir);
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$this->smarty->compile_id = base_convert($compile_id, 10, 36 );
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}
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}
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/**
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* Gets the template root directory for this Template object.
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*/
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function get_template_dir()
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{
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return $this->smarty->template_dir;
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}
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/**
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* Deletes all compiled templates.
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*/
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function delete_compiled_templates()
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{
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$save_compile_id = $this->smarty->compile_id;
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$this->smarty->compile_id = null;
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$this->smarty->clear_compiled_tpl();
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$this->smarty->compile_id = $save_compile_id;
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file_put_contents($this->smarty->compile_dir.'/index.htm', 'Not allowed!');
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}
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function get_themeconf($val)
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{
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$tc = $this->smarty->get_template_vars('themeconf');
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return isset($tc[$val]) ? $tc[$val] : '';
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}
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/**
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* Sets the template filename for handle.
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*/
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function set_filename($handle, $filename)
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{
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return $this->set_filenames( array($handle=>$filename) );
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}
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/**
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* Sets the template filenames for handles. $filename_array should be a
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* hash of handle => filename pairs.
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*/
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function set_filenames($filename_array)
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{
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if (!is_array($filename_array))
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{
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return false;
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}
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reset($filename_array);
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while(list($handle, $filename) = each($filename_array))
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{
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if (is_null($filename))
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{
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unset($this->files[$handle]);
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}
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else
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{
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$this->files[$handle] = $this->get_extent($filename, $handle);
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}
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}
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return true;
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}
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/**
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* Sets template extention filename for handles.
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*/
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function set_extent($filename, $param, $dir='', $overwrite=true, $theme='N/A')
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{
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return $this->set_extents(array($filename => $param), $dir, $overwrite);
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}
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/**
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* Sets template extentions filenames for handles.
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* $filename_array should be an hash of filename => array( handle, param) or filename => handle
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*/
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function set_extents($filename_array, $dir='', $overwrite=true, $theme='N/A')
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{
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if (!is_array($filename_array))
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{
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return false;
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}
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foreach ($filename_array as $filename => $value)
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{
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if (is_array($value))
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{
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$handle = $value[0];
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$param = $value[1];
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$thm = $value[2];
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}
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elseif (is_string($value))
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{
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$handle = $value;
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$param = 'N/A';
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$thm = 'N/A';
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}
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else
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{
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return false;
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}
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if ((stripos(implode('',array_keys($_GET)), '/'.$param) !== false or $param == 'N/A')
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and ($thm == $theme or $thm == 'N/A')
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and (!isset($this->extents[$handle]) or $overwrite)
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and file_exists($dir . $filename))
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{
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$this->extents[$handle] = realpath($dir . $filename);
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}
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}
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return true;
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}
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/** return template extension if exists */
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function get_extent($filename='', $handle='')
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{
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if (isset($this->extents[$handle]))
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{
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$filename = $this->extents[$handle];
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}
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return $filename;
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}
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/** see smarty assign http://www.smarty.net/manual/en/api.assign.php */
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function assign($tpl_var, $value = null)
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{
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$this->smarty->assign( $tpl_var, $value );
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}
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/**
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* Inserts the uncompiled code for $handle as the value of $varname in the
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* root-level. This can be used to effectively include a template in the
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* middle of another template.
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* This is equivalent to assign($varname, $this->parse($handle, true))
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*/
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function assign_var_from_handle($varname, $handle)
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{
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$this->assign($varname, $this->parse($handle, true));
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return true;
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}
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/** see smarty append http://www.smarty.net/manual/en/api.append.php */
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function append($tpl_var, $value=null, $merge=false)
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{
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$this->smarty->append( $tpl_var, $value, $merge );
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}
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/**
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* Root-level variable concatenation. Appends a string to an existing
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* variable assignment with the same name.
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*/
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function concat($tpl_var, $value)
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{
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$old_val = & $this->smarty->get_template_vars($tpl_var);
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if ( isset($old_val) )
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{
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$old_val .= $value;
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}
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else
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{
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$this->assign($tpl_var, $value);
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}
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}
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/** see smarty append http://www.smarty.net/manual/en/api.clear_assign.php */
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function clear_assign($tpl_var)
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{
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$this->smarty->clear_assign( $tpl_var );
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}
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/** see smarty get_template_vars http://www.smarty.net/manual/en/api.get_template_vars.php */
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function &get_template_vars($name=null)
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{
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return $this->smarty->get_template_vars( $name );
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}
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/**
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* Load the file for the handle, eventually compile the file and run the compiled
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* code. This will add the output to the results or return the result if $return
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* is true.
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*/
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function parse($handle, $return=false)
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{
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if ( !isset($this->files[$handle]) )
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{
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fatal_error("Template->parse(): Couldn't load template file for handle $handle");
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}
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$this->smarty->assign( 'ROOT_URL', get_root_url() );
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$save_compile_id = $this->smarty->compile_id;
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$this->load_external_filters($handle);
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global $conf, $lang_info;
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if ( $conf['compiled_template_cache_language'] and isset($lang_info['code']) )
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{
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$this->smarty->compile_id .= '.'.$lang_info['code'];
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}
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$v = $this->smarty->fetch($this->files[$handle], null, null, false);
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$this->smarty->compile_id = $save_compile_id;
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$this->unload_external_filters($handle);
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if ($return)
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{
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return $v;
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}
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$this->output .= $v;
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}
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/**
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* Load the file for the handle, eventually compile the file and run the compiled
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* code. This will print out the results of executing the template.
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*/
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function pparse($handle)
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{
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$this->parse($handle, false);
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$this->flush();
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}
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function flush()
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{
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if (!$this->scriptLoader->did_head())
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{
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$pos = strpos( $this->output, self::COMBINED_SCRIPTS_TAG );
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if ($pos !== false)
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{
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$scripts = $this->scriptLoader->get_head_scripts();
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$content = array();
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foreach ($scripts as $script)
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{
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$content[]=
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'<script type="text/javascript" src="'
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. self::make_script_src($script)
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.'"></script>';
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}
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$this->output = substr_replace( $this->output, "\n".implode( "\n", $content ), $pos, strlen(self::COMBINED_SCRIPTS_TAG) );
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} //else maybe error or warning ?
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}
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if(!empty($this->css_by_priority))
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{
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ksort($this->css_by_priority);
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global $conf;
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$css = array();
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if ($conf['template_combine_files'])
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{
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$combiner = new FileCombiner('css');
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foreach ($this->css_by_priority as $files)
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{
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foreach ($files as $file_ver)
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$combiner->add( $file_ver[0], $file_ver[1] );
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}
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if ( $combiner->combine( $out_file, $out_version) )
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$css[] = array($out_file, $out_version);
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}
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else
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{
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foreach ($this->css_by_priority as $files)
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$css = array_merge($css, $files);
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}
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$content = array();
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foreach( $css as $file_ver )
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{
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$href = get_root_url() . $file_ver[0];
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if ($file_ver[1] !== false)
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$href .= '?v' . ($file_ver[1] ? $file_ver[1] : PHPWG_VERSION);
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// trigger the event for eventual use of a cdn
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$href = trigger_event('combined_css', $href, $file_ver[0], $file_ver[1]);
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$content[] = '<link rel="stylesheet" type="text/css" href="'.$href.'">';
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}
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$this->output = str_replace(self::COMBINED_CSS_TAG,
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implode( "\n", $content ),
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$this->output );
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$this->css_by_priority = array();
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}
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if ( count($this->html_head_elements) || strlen($this->html_style) )
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{
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$search = "\n</head>";
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$pos = strpos( $this->output, $search );
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if ($pos !== false)
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{
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$rep = "\n".implode( "\n", $this->html_head_elements );
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if (strlen($this->html_style))
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{
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$rep.='<style type="text/css">'.$this->html_style.'</style>';
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}
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$this->output = substr_replace( $this->output, $rep, $pos, 0 );
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} //else maybe error or warning ?
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$this->html_head_elements = array();
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$this->html_style = '';
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}
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echo $this->output;
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$this->output='';
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}
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/** flushes the output */
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function p()
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{
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$this->flush();
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if ($this->smarty->debugging)
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{
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global $t2;
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$this->smarty->assign(
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array(
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'AAAA_DEBUG_TOTAL_TIME__' => get_elapsed_time($t2, get_moment())
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)
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);
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require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php');
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echo smarty_core_display_debug_console(null, $this->smarty);
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}
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}
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/**
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* translate variable modifier - translates a text to the currently loaded
|
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* language
|
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*/
|
|
static function mod_translate($text)
|
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{
|
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return l10n($text);
|
|
}
|
|
|
|
/**
|
|
* explode variable modifier - similar to php explode
|
|
* 'Yes;No'|@explode:';' -> array('Yes', 'No')
|
|
*/
|
|
static function mod_explode($text, $delimiter=',')
|
|
{
|
|
return explode($delimiter, $text);
|
|
}
|
|
|
|
/**
|
|
* This smarty "html_head" block allows to add content just before
|
|
* </head> element in the output after the head has been parsed. This is
|
|
* handy in order to respect strict standards when <style> and <link>
|
|
* html elements must appear in the <head> element
|
|
*/
|
|
function block_html_head($params, $content, &$smarty, &$repeat)
|
|
{
|
|
$content = trim($content);
|
|
if ( !empty($content) )
|
|
{ // second call
|
|
$this->html_head_elements[] = $content;
|
|
}
|
|
}
|
|
|
|
function block_html_style($params, $content, &$smarty, &$repeat)
|
|
{
|
|
$content = trim($content);
|
|
if ( !empty($content) )
|
|
{ // second call
|
|
$this->html_style .= $content;
|
|
}
|
|
}
|
|
|
|
function func_define_derivative($params, &$smarty)
|
|
{
|
|
!empty($params['name']) or fatal_error('define_derviative missing name');
|
|
if (isset($params['type']))
|
|
{
|
|
$derivative = ImageStdParams::get_by_type($params['type']);
|
|
$smarty->assign( $params['name'], $derivative);
|
|
return;
|
|
}
|
|
!empty($params['width']) or fatal_error('define_derviative missing width');
|
|
!empty($params['height']) or fatal_error('define_derviative missing height');
|
|
|
|
$derivative = new DerivativeParams( SizingParams::classic( intval($params['width']), intval($params['height'])) );
|
|
if (isset($params['crop']))
|
|
{
|
|
if (is_bool($params['crop']))
|
|
{
|
|
$derivative->sizing->max_crop = $params['crop'] ? 1:0;
|
|
}
|
|
else
|
|
{
|
|
$derivative->sizing->max_crop = round($params['crop']/100, 2);
|
|
}
|
|
|
|
if ($derivative->sizing->max_crop)
|
|
{
|
|
$minw = empty($params['min_width']) ? $derivative->max_width() : intval($params['min_width']);
|
|
$minw <= $derivative->max_width() or fatal_error('define_derviative invalid min_width');
|
|
$minh = empty($params['min_height']) ? $derivative->max_height() : intval($params['min_height']);
|
|
$minh <= $derivative->max_height() or fatal_error('define_derviative invalid min_height');
|
|
|
|
$derivative->sizing->min_size = array($minw, $minh);
|
|
}
|
|
}
|
|
|
|
ImageStdParams::apply_global($derivative);
|
|
$smarty->assign( $params['name'], $derivative);
|
|
}
|
|
|
|
/**
|
|
* combine_script smarty function allows inclusion of a javascript file in the current page.
|
|
* The engine will combine several js files into a single one in order to reduce the number of
|
|
* required http requests.
|
|
* param id - required
|
|
* param path - required - the path to js file RELATIVE to piwigo root dir
|
|
* param load - optional - header|footer|async, default header
|
|
* param require - optional - comma separated list of script ids required to be loaded and executed
|
|
before this one
|
|
* param version - optional - plugins could use this and change it in order to force a
|
|
browser refresh
|
|
*/
|
|
function func_combine_script($params, &$smarty)
|
|
{
|
|
if (!isset($params['id']))
|
|
{
|
|
$smarty->trigger_error("combine_script: missing 'id' parameter", E_USER_ERROR);
|
|
}
|
|
$load = 0;
|
|
if (isset($params['load']))
|
|
{
|
|
switch ($params['load'])
|
|
{
|
|
case 'header': break;
|
|
case 'footer': $load=1; break;
|
|
case 'async': $load=2; break;
|
|
default: $smarty->trigger_error("combine_script: invalid 'load' parameter", E_USER_ERROR);
|
|
}
|
|
}
|
|
$this->scriptLoader->add( $params['id'], $load,
|
|
empty($params['require']) ? array() : explode( ',', $params['require'] ),
|
|
@$params['path'],
|
|
isset($params['version']) ? $params['version'] : 0 );
|
|
}
|
|
|
|
|
|
function func_get_combined_scripts($params, &$smarty)
|
|
{
|
|
if (!isset($params['load']))
|
|
{
|
|
$smarty->trigger_error("get_combined_scripts: missing 'load' parameter", E_USER_ERROR);
|
|
}
|
|
$load = $params['load']=='header' ? 0 : 1;
|
|
$content = array();
|
|
|
|
if ($load==0)
|
|
{
|
|
return self::COMBINED_SCRIPTS_TAG;
|
|
}
|
|
else
|
|
{
|
|
$scripts = $this->scriptLoader->get_footer_scripts();
|
|
foreach ($scripts[0] as $script)
|
|
{
|
|
$content[]=
|
|
'<script type="text/javascript" src="'
|
|
. self::make_script_src($script)
|
|
.'"></script>';
|
|
}
|
|
if (count($this->scriptLoader->inline_scripts))
|
|
{
|
|
$content[]= '<script type="text/javascript">//<![CDATA[
|
|
';
|
|
$content = array_merge($content, $this->scriptLoader->inline_scripts);
|
|
$content[]= '//]]></script>';
|
|
}
|
|
|
|
if (count($scripts[1]))
|
|
{
|
|
$content[]= '<script type="text/javascript">';
|
|
$content[]= '(function() {
|
|
var s,after = document.getElementsByTagName(\'script\')[document.getElementsByTagName(\'script\').length-1];';
|
|
foreach ($scripts[1] as $id => $script)
|
|
{
|
|
$content[]=
|
|
's=document.createElement(\'script\'); s.type=\'text/javascript\'; s.async=true; s.src=\''
|
|
. self::make_script_src($script)
|
|
.'\';';
|
|
$content[]= 'after = after.parentNode.insertBefore(s, after);';
|
|
}
|
|
$content[]= '})();';
|
|
$content[]= '</script>';
|
|
}
|
|
}
|
|
return implode("\n", $content);
|
|
}
|
|
|
|
|
|
private static function make_script_src( $script )
|
|
{
|
|
$ret = '';
|
|
if ( $script->is_remote() )
|
|
$ret = $script->path;
|
|
else
|
|
{
|
|
$ret = get_root_url().$script->path;
|
|
if ($script->version!==false)
|
|
{
|
|
$ret.= '?v'. ($script->version ? $script->version : PHPWG_VERSION);
|
|
}
|
|
}
|
|
// trigger the event for eventual use of a cdn
|
|
$ret = trigger_event('combined_script', $ret, $script);
|
|
return $ret;
|
|
}
|
|
|
|
function block_footer_script($params, $content, &$smarty, &$repeat)
|
|
{
|
|
$content = trim($content);
|
|
if ( !empty($content) )
|
|
{ // second call
|
|
$this->scriptLoader->add_inline(
|
|
$content,
|
|
empty($params['require']) ? array() : explode(',', $params['require'])
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* combine_css smarty function allows inclusion of a css stylesheet file in the current page.
|
|
* The engine will combine several css files into a single one in order to reduce the number of
|
|
* required http requests.
|
|
* param path - required - the path to css file RELATIVE to piwigo root dir
|
|
* param version - optional - plugins could use this and change it in order to force a
|
|
browser refresh
|
|
*/
|
|
function func_combine_css($params, &$smarty)
|
|
{
|
|
!empty($params['path']) || fatal_error('combine_css missing path');
|
|
$order = (int)@$params['order'];
|
|
$version = isset($params['version']) ? $params['version'] : 0;
|
|
$this->css_by_priority[$order][] = array( $params['path'], $version);
|
|
}
|
|
|
|
function func_get_combined_css($params, &$smarty)
|
|
{
|
|
return 'echo '.var_export(self::COMBINED_CSS_TAG,true);
|
|
}
|
|
|
|
|
|
/**
|
|
* This function allows to declare a Smarty prefilter from a plugin, thus allowing
|
|
* it to modify template source before compilation and without changing core files
|
|
* They will be processed by weight ascending.
|
|
* http://www.smarty.net/manual/en/advanced.features.prefilters.php
|
|
*/
|
|
function set_prefilter($handle, $callback, $weight=50)
|
|
{
|
|
$this->external_filters[$handle][$weight][] = array('prefilter', $callback);
|
|
ksort($this->external_filters[$handle]);
|
|
}
|
|
|
|
function set_postfilter($handle, $callback, $weight=50)
|
|
{
|
|
$this->external_filters[$handle][$weight][] = array('postfilter', $callback);
|
|
ksort($this->external_filters[$handle]);
|
|
}
|
|
|
|
function set_outputfilter($handle, $callback, $weight=50)
|
|
{
|
|
$this->external_filters[$handle][$weight][] = array('outputfilter', $callback);
|
|
ksort($this->external_filters[$handle]);
|
|
}
|
|
|
|
/**
|
|
* This function actually triggers the filters on the tpl files.
|
|
* Called in the parse method.
|
|
* http://www.smarty.net/manual/en/advanced.features.prefilters.php
|
|
*/
|
|
function load_external_filters($handle)
|
|
{
|
|
if (isset($this->external_filters[$handle]))
|
|
{
|
|
$compile_id = '';
|
|
foreach ($this->external_filters[$handle] as $filters)
|
|
{
|
|
foreach ($filters as $filter)
|
|
{
|
|
list($type, $callback) = $filter;
|
|
$compile_id .= $type.( is_array($callback) ? implode('', $callback) : $callback );
|
|
call_user_func(array($this->smarty, 'register_'.$type), $callback);
|
|
}
|
|
}
|
|
$this->smarty->compile_id .= '.'.base_convert(crc32($compile_id), 10, 36);
|
|
}
|
|
}
|
|
|
|
function unload_external_filters($handle)
|
|
{
|
|
if (isset($this->external_filters[$handle]))
|
|
{
|
|
foreach ($this->external_filters[$handle] as $filters)
|
|
{
|
|
foreach ($filters as $filter)
|
|
{
|
|
list($type, $callback) = $filter;
|
|
call_user_func(array($this->smarty, 'unregister_'.$type), $callback);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static function prefilter_white_space($source, &$smarty)
|
|
{
|
|
$ld = $smarty->left_delimiter;
|
|
$rd = $smarty->right_delimiter;
|
|
$ldq = preg_quote($ld, '#');
|
|
$rdq = preg_quote($rd, '#');
|
|
|
|
$regex = array();
|
|
$tags = array('if','foreach','section','footer_script');
|
|
foreach($tags as $tag)
|
|
{
|
|
array_push($regex, "#^[ \t]+($ldq$tag"."[^$ld$rd]*$rdq)\s*$#m");
|
|
array_push($regex, "#^[ \t]+($ldq/$tag$rdq)\s*$#m");
|
|
}
|
|
$tags = array('include','else','combine_script','html_head');
|
|
foreach($tags as $tag)
|
|
{
|
|
array_push($regex, "#^[ \t]+($ldq$tag"."[^$ld$rd]*$rdq)\s*$#m");
|
|
}
|
|
$source = preg_replace( $regex, "$1", $source);
|
|
return $source;
|
|
}
|
|
|
|
/**
|
|
* Smarty prefilter to allow caching (whenever possible) language strings
|
|
* from templates.
|
|
*/
|
|
static function prefilter_language($source, &$smarty)
|
|
{
|
|
global $lang;
|
|
$ldq = preg_quote($smarty->left_delimiter, '~');
|
|
$rdq = preg_quote($smarty->right_delimiter, '~');
|
|
|
|
$regex = "~$ldq *\'([^'$]+)\'\|@translate *$rdq~";
|
|
$source = preg_replace_callback( $regex, create_function('$m', 'global $lang; return isset($lang[$m[1]]) ? $lang[$m[1]] : $m[0];'), $source);
|
|
|
|
$regex = "~$ldq *\'([^'$]+)\'\|@translate\|~";
|
|
$source = preg_replace_callback( $regex, create_function('$m', 'global $lang; return isset($lang[$m[1]]) ? \'{\'.var_export($lang[$m[1]],true).\'|\' : $m[0];'), $source);
|
|
|
|
$regex = "~($ldq *assign +var=.+ +value=)\'([^'$]+)\'\|@translate~";
|
|
$source = preg_replace_callback( $regex, create_function('$m', 'global $lang; return isset($lang[$m[2]]) ? $m[1].var_export($lang[$m[2]],true) : $m[0];'), $source);
|
|
|
|
return $source;
|
|
}
|
|
|
|
static function prefilter_local_css($source, &$smarty)
|
|
{
|
|
$css = array();
|
|
foreach ($smarty->get_template_vars('themes') as $theme)
|
|
{
|
|
$f = PWG_LOCAL_DIR.'css/'.$theme['id'].'-rules.css';
|
|
if (file_exists(PHPWG_ROOT_PATH.$f))
|
|
{
|
|
array_push($css, "{combine_css path='$f' order=10}");
|
|
}
|
|
}
|
|
$f = PWG_LOCAL_DIR.'css/rules.css';
|
|
if (file_exists(PHPWG_ROOT_PATH.$f))
|
|
{
|
|
array_push($css, "{combine_css path='$f' order=10}");
|
|
}
|
|
|
|
if (!empty($css))
|
|
{
|
|
$source = str_replace("\n{get_combined_css}", "\n".implode( "\n", $css )."\n{get_combined_css}", $source);
|
|
}
|
|
|
|
return $source;
|
|
}
|
|
|
|
function load_themeconf($dir)
|
|
{
|
|
global $themeconfs, $conf;
|
|
|
|
$dir = realpath($dir);
|
|
if (!isset($themeconfs[$dir]))
|
|
{
|
|
$themeconf = array();
|
|
include($dir.'/themeconf.inc.php');
|
|
// Put themeconf in cache
|
|
$themeconfs[$dir] = $themeconf;
|
|
}
|
|
return $themeconfs[$dir];
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* This class contains basic functions that can be called directly from the
|
|
* templates in the form $pwg->l10n('edit')
|
|
*/
|
|
class PwgTemplateAdapter
|
|
{
|
|
function l10n($text)
|
|
{
|
|
return l10n($text);
|
|
}
|
|
|
|
function l10n_dec($s, $p, $v)
|
|
{
|
|
return l10n_dec($s, $p, $v);
|
|
}
|
|
|
|
function sprintf()
|
|
{
|
|
$args = func_get_args();
|
|
return call_user_func_array('sprintf', $args );
|
|
}
|
|
|
|
function derivative_url($type, $img)
|
|
{
|
|
return DerivativeImage::url($type, $img);
|
|
}
|
|
}
|
|
|
|
|
|
final class Script
|
|
{
|
|
public $id;
|
|
public $load_mode;
|
|
public $precedents = array();
|
|
public $path;
|
|
public $version;
|
|
public $extra = array();
|
|
|
|
function Script($load_mode, $id, $path, $version, $precedents)
|
|
{
|
|
$this->id = $id;
|
|
$this->load_mode = $load_mode;
|
|
$this->id = $id;
|
|
$this->set_path($path);
|
|
$this->version = $version;
|
|
$this->precedents = $precedents;
|
|
}
|
|
|
|
function set_path($path)
|
|
{
|
|
if (!empty($path))
|
|
$this->path = $path;
|
|
}
|
|
|
|
function is_remote()
|
|
{
|
|
return url_is_remote( $this->path );
|
|
}
|
|
}
|
|
|
|
|
|
/** Manage a list of required scripts for a page, by optimizing their loading location (head, bottom, async)
|
|
and later on by combining them in a unique file respecting at the same time dependencies.*/
|
|
class ScriptLoader
|
|
{
|
|
private $registered_scripts;
|
|
public $inline_scripts;
|
|
|
|
private $did_head;
|
|
private $head_done_scripts;
|
|
private $did_footer;
|
|
|
|
private static $known_paths = array(
|
|
'core.scripts' => 'themes/default/js/scripts.js',
|
|
'jquery' => 'themes/default/js/jquery.min.js',
|
|
'jquery.ui' => 'themes/default/js/ui/minified/jquery.ui.core.min.js',
|
|
'jquery.effects' => 'themes/default/js/ui/minified/jquery.effects.core.min.js',
|
|
);
|
|
|
|
private static $ui_core_dependencies = array(
|
|
'jquery.ui.widget' => array('jquery'),
|
|
'jquery.ui.position' => array('jquery'),
|
|
'jquery.ui.mouse' => array('jquery', 'jquery.ui', 'jquery.ui.widget'),
|
|
);
|
|
|
|
function __construct()
|
|
{
|
|
$this->clear();
|
|
}
|
|
|
|
function clear()
|
|
{
|
|
$this->registered_scripts = array();
|
|
$this->inline_scripts = array();
|
|
$this->head_done_scripts = array();
|
|
$this->did_head = $this->did_footer = false;
|
|
}
|
|
|
|
function get_all()
|
|
{
|
|
return $this->registered_scripts;
|
|
}
|
|
|
|
function add_inline($code, $require)
|
|
{
|
|
!$this->did_footer || trigger_error("Attempt to add inline script but the footer has been written", E_USER_WARNING);
|
|
if(!empty($require))
|
|
{
|
|
foreach ($require as $id)
|
|
{
|
|
if(!isset($this->registered_scripts[$id]))
|
|
$this->load_known_required_script($id, 1) or fatal_error("inline script not found require $id");
|
|
$s = $this->registered_scripts[$id];
|
|
if($s->load_mode==2)
|
|
$s->load_mode=1; // until now the implementation does not allow executing inline script depending on another async script
|
|
}
|
|
}
|
|
$this->inline_scripts[] = $code;
|
|
}
|
|
|
|
function add($id, $load_mode, $require, $path, $version=0)
|
|
{
|
|
if ($this->did_head && $load_mode==0)
|
|
{
|
|
trigger_error("Attempt to add script $id but the head has been written", E_USER_WARNING);
|
|
}
|
|
elseif ($this->did_footer)
|
|
{
|
|
trigger_error("Attempt to add script $id but the footer has been written", E_USER_WARNING);
|
|
}
|
|
if (! isset( $this->registered_scripts[$id] ) )
|
|
{
|
|
$script = new Script($load_mode, $id, $path, $version, $require);
|
|
self::fill_well_known($id, $script);
|
|
$this->registered_scripts[$id] = $script;
|
|
|
|
// Load or modify all UI core files
|
|
if ($id == 'jquery.ui' and $script->path == self::$known_paths['jquery.ui'])
|
|
{
|
|
foreach (self::$ui_core_dependencies as $script_id => $required_ids)
|
|
$this->add($script_id, $load_mode, $required_ids, null, $version);
|
|
}
|
|
|
|
// Try to load undefined required script
|
|
foreach ($script->precedents as $script_id)
|
|
{
|
|
if (! isset( $this->registered_scripts[$script_id] ) )
|
|
$this->load_known_required_script($script_id, $load_mode);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$script = $this->registered_scripts[$id];
|
|
if (count($require))
|
|
{
|
|
$script->precedents = array_unique( array_merge($script->precedents, $require) );
|
|
}
|
|
$script->set_path($path);
|
|
if ($version && version_compare($script->version, $version)<0 )
|
|
$script->version = $version;
|
|
if ($load_mode < $script->load_mode)
|
|
$script->load_mode = $load_mode;
|
|
}
|
|
|
|
}
|
|
|
|
function did_head()
|
|
{
|
|
return $this->did_head;
|
|
}
|
|
|
|
function get_head_scripts()
|
|
{
|
|
self::check_load_dep($this->registered_scripts);
|
|
foreach( array_keys($this->registered_scripts) as $id )
|
|
{
|
|
$this->compute_script_topological_order($id);
|
|
}
|
|
|
|
uasort($this->registered_scripts, array('ScriptLoader', 'cmp_by_mode_and_order'));
|
|
|
|
foreach( $this->registered_scripts as $id => $script)
|
|
{
|
|
if ($script->load_mode > 0)
|
|
break;
|
|
if ( !empty($script->path) )
|
|
$this->head_done_scripts[$id] = $script;
|
|
else
|
|
trigger_error("Script $id has an undefined path", E_USER_WARNING);
|
|
}
|
|
$this->did_head = true;
|
|
return self::do_combine($this->head_done_scripts, 0);
|
|
}
|
|
|
|
function get_footer_scripts()
|
|
{
|
|
if (!$this->did_head)
|
|
{
|
|
self::check_load_dep($this->registered_scripts);
|
|
}
|
|
$this->did_footer = true;
|
|
$todo = array();
|
|
foreach( $this->registered_scripts as $id => $script)
|
|
{
|
|
if (!isset($this->head_done_scripts[$id]))
|
|
{
|
|
$todo[$id] = $script;
|
|
}
|
|
}
|
|
|
|
foreach( array_keys($todo) as $id )
|
|
{
|
|
$this->compute_script_topological_order($id);
|
|
}
|
|
|
|
uasort($todo, array('ScriptLoader', 'cmp_by_mode_and_order'));
|
|
|
|
$result = array( array(), array() );
|
|
foreach( $todo as $id => $script)
|
|
{
|
|
$result[$script->load_mode-1][$id] = $script;
|
|
}
|
|
return array( self::do_combine($result[0],1), self::do_combine($result[1],2) );
|
|
}
|
|
|
|
private static function do_combine($scripts, $load_mode)
|
|
{
|
|
global $conf;
|
|
if (count($scripts)<2 or !$conf['template_combine_files'])
|
|
return $scripts;
|
|
$combiner = new FileCombiner('js');
|
|
$result = array();
|
|
foreach ($scripts as $script)
|
|
{
|
|
if ($script->is_remote())
|
|
{
|
|
if ( $combiner->combine( $out_file, $out_version) )
|
|
{
|
|
$results[] = new Script($load_mode, 'combi', $out_file, $out_version, array() );
|
|
}
|
|
$results[] = $script;
|
|
}
|
|
else
|
|
$combiner->add( $script->path, $script->version );
|
|
}
|
|
if ( $combiner->combine( $out_file, $out_version) )
|
|
{
|
|
$results[] = new Script($load_mode, 'combi', $out_file, $out_version, array() );
|
|
}
|
|
return $results;
|
|
}
|
|
|
|
// checks that if B depends on A, then B->load_mode >= A->load_mode in order to respect execution order
|
|
private static function check_load_dep($scripts)
|
|
{
|
|
global $conf;
|
|
do
|
|
{
|
|
$changed = false;
|
|
foreach( $scripts as $id => $script)
|
|
{
|
|
$load = $script->load_mode;
|
|
foreach( $script->precedents as $precedent)
|
|
{
|
|
if ( !isset($scripts[$precedent] ) )
|
|
continue;
|
|
if ( $scripts[$precedent]->load_mode > $load )
|
|
{
|
|
$scripts[$precedent]->load_mode = $load;
|
|
$changed = true;
|
|
}
|
|
if ($load==2 && $scripts[$precedent]->load_mode==2 && ($scripts[$precedent]->is_remote() or !$conf['template_combine_files']) )
|
|
{// we are async -> a predecessor cannot be async unlesss it can be merged; otherwise script execution order is not guaranteed
|
|
$scripts[$precedent]->load_mode = 1;
|
|
$changed = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
while ($changed);
|
|
}
|
|
|
|
|
|
private static function fill_well_known($id, $script)
|
|
{
|
|
if ( empty($script->path) && isset(self::$known_paths[$id]))
|
|
{
|
|
$script->path = self::$known_paths[$id];
|
|
}
|
|
if ( strncmp($id, 'jquery.', 7)==0 )
|
|
{
|
|
$required_ids = array('jquery');
|
|
|
|
if ( strncmp($id, 'jquery.ui.', 10)==0 )
|
|
{
|
|
if ( !isset(self::$ui_core_dependencies[$id]) )
|
|
$required_ids = array_merge(array('jquery', 'jquery.ui'), array_keys(self::$ui_core_dependencies));
|
|
|
|
if ( empty($script->path) )
|
|
$script->path = dirname(self::$known_paths['jquery.ui'])."/$id.min.js";
|
|
}
|
|
elseif ( strncmp($id, 'jquery.effects.', 15)==0 )
|
|
{
|
|
$required_ids = array('jquery', 'jquery.effects');
|
|
|
|
if ( empty($script->path) )
|
|
$script->path = dirname(self::$known_paths['jquery.effects'])."/$id.min.js";
|
|
}
|
|
|
|
foreach ($required_ids as $required_id)
|
|
{
|
|
if ( !in_array($required_id, $script->precedents ) )
|
|
$script->precedents[] = $required_id;
|
|
}
|
|
}
|
|
}
|
|
|
|
private function load_known_required_script($id, $load_mode)
|
|
{
|
|
if ( isset(self::$known_paths[$id]) or strncmp($id, 'jquery.ui.', 10)==0 or strncmp($id, 'jquery.effects.', 15)==0 )
|
|
{
|
|
$this->add($id, $load_mode, array(), null);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private function compute_script_topological_order($script_id, $recursion_limiter=0)
|
|
{
|
|
if (!isset($this->registered_scripts[$script_id]))
|
|
{
|
|
trigger_error("Undefined script $script_id is required by someone", E_USER_WARNING);
|
|
return 0;
|
|
}
|
|
$recursion_limiter<5 or fatal_error("combined script circular dependency");
|
|
$script = $this->registered_scripts[$script_id];
|
|
if (isset($script->extra['order']))
|
|
return $script->extra['order'];
|
|
if (count($script->precedents) == 0)
|
|
return ($script->extra['order'] = 0);
|
|
$max = 0;
|
|
foreach( $script->precedents as $precedent)
|
|
$max = max($max, $this->compute_script_topological_order($precedent, $recursion_limiter+1) );
|
|
$max++;
|
|
return ($script->extra['order'] = $max);
|
|
}
|
|
|
|
private static function cmp_by_mode_and_order($s1, $s2)
|
|
{
|
|
$ret = $s1->load_mode - $s2->load_mode;
|
|
if ($ret) return $ret;
|
|
|
|
$ret = $s1->extra['order'] - $s2->extra['order'];
|
|
if ($ret) return $ret;
|
|
|
|
if ($s1->extra['order']==0 and ($s1->is_remote() xor $s2->is_remote()) )
|
|
{
|
|
return $s1->is_remote() ? -1 : 1;
|
|
}
|
|
return strcmp($s1->id,$s2->id);
|
|
}
|
|
}
|
|
|
|
|
|
/*Allows merging of javascript and css files into a single one.*/
|
|
final class FileCombiner
|
|
{
|
|
private $type; // js or css
|
|
private $files = array();
|
|
private $versions = array();
|
|
|
|
function FileCombiner($type)
|
|
{
|
|
$this->type = $type;
|
|
}
|
|
|
|
static function clear_combined_files()
|
|
{
|
|
$dir = opendir(PHPWG_ROOT_PATH.PWG_COMBINED_DIR);
|
|
while ($file = readdir($dir))
|
|
{
|
|
if ( get_extension($file)=='js' || get_extension($file)=='css')
|
|
unlink(PHPWG_ROOT_PATH.PWG_COMBINED_DIR.$file);
|
|
}
|
|
closedir($dir);
|
|
}
|
|
|
|
function add($file, $version)
|
|
{
|
|
$this->files[] = $file;
|
|
$this->versions[] = $version;
|
|
}
|
|
|
|
function clear()
|
|
{
|
|
$this->files = array();
|
|
$this->versions = array();
|
|
}
|
|
|
|
function combine(&$out_file, &$out_version)
|
|
{
|
|
if (count($this->files) == 0)
|
|
{
|
|
return false;
|
|
}
|
|
if (count($this->files) == 1)
|
|
{
|
|
$out_file = $this->files[0];
|
|
$out_version = $this->versions[0];
|
|
$this->clear();
|
|
return 1;
|
|
}
|
|
|
|
$is_css = $this->type == "css";
|
|
global $conf;
|
|
$key = array();
|
|
if ($is_css)
|
|
$key[] = get_absolute_root_url(false);//because we modify bg url
|
|
for ($i=0; $i<count($this->files); $i++)
|
|
{
|
|
$key[] = $this->files[$i];
|
|
$key[] = $this->versions[$i];
|
|
if ($conf['template_compile_check']) $key[] = filemtime( PHPWG_ROOT_PATH . $this->files[$i] );
|
|
}
|
|
$key = join('>', $key);
|
|
|
|
$file = base_convert(crc32($key),10,36);
|
|
$file = PWG_COMBINED_DIR . $file . '.' . $this->type;
|
|
|
|
$exists = file_exists( PHPWG_ROOT_PATH . $file );
|
|
if ($exists)
|
|
{
|
|
$is_reload =
|
|
(isset($_SERVER['HTTP_CACHE_CONTROL']) && strpos($_SERVER['HTTP_CACHE_CONTROL'], 'max-age=0') !== false)
|
|
|| (isset($_SERVER['HTTP_PRAGMA']) && strpos($_SERVER['HTTP_PRAGMA'], 'no-cache'));
|
|
if (is_admin() && $is_reload)
|
|
{// the user pressed F5 in the browser
|
|
if ($is_css || $conf['template_compile_check']==false)
|
|
$exists = false; // we foce regeneration of css because @import sub-files are never checked for modification
|
|
}
|
|
}
|
|
|
|
if ($exists)
|
|
{
|
|
$out_file = $file;
|
|
$out_version = false;
|
|
$this->clear();
|
|
return 2;
|
|
}
|
|
|
|
$output = '';
|
|
foreach ($this->files as $input_file)
|
|
{
|
|
$output .= "/*BEGIN $input_file */\n";
|
|
if ($is_css)
|
|
$output .= self::process_css($input_file);
|
|
else
|
|
$output .= self::process_js($input_file);
|
|
$output .= "\n";
|
|
}
|
|
|
|
file_put_contents( PHPWG_ROOT_PATH . $file, $output );
|
|
$out_file = $file;
|
|
$out_version = false;
|
|
$this->clear();
|
|
return 2;
|
|
}
|
|
|
|
private static function process_js($file)
|
|
{
|
|
$js = file_get_contents(PHPWG_ROOT_PATH . $file);
|
|
if (strpos($file, '.min')===false and strpos($file, '.packed')===false )
|
|
{
|
|
require_once(PHPWG_ROOT_PATH.'include/jsmin.class.php');
|
|
try { $js = JSMin::minify($js); } catch(Exception $e) {}
|
|
}
|
|
return trim($js, " \t\r\n;").";\n";
|
|
}
|
|
|
|
private static function process_css($file)
|
|
{
|
|
$css = self::process_css_rec($file);
|
|
require_once(PHPWG_ROOT_PATH.'include/cssmin.class.php');
|
|
$css = CssMin::minify($css, array('Variables'=>false));
|
|
$css = trigger_event('combined_css_postfilter', $css);
|
|
return $css;
|
|
}
|
|
|
|
private static function process_css_rec($file)
|
|
{
|
|
static $PATTERN = "#url\(\s*['|\"]{0,1}(.*?)['|\"]{0,1}\s*\)#";
|
|
$css = file_get_contents(PHPWG_ROOT_PATH . $file);
|
|
if (preg_match_all($PATTERN, $css, $matches, PREG_SET_ORDER))
|
|
{
|
|
$search = $replace = array();
|
|
foreach ($matches as $match)
|
|
{
|
|
if ( !url_is_remote($match[1]) && $match[1][0] != '/')
|
|
{
|
|
$relative = dirname($file) . "/$match[1]";
|
|
$search[] = $match[0];
|
|
$replace[] = 'url('.embellish_url(get_absolute_root_url(false).$relative).')';
|
|
}
|
|
}
|
|
$css = str_replace($search, $replace, $css);
|
|
}
|
|
|
|
$imports = preg_match_all("#@import\s*['|\"]{0,1}(.*?)['|\"]{0,1};#", $css, $matches, PREG_SET_ORDER);
|
|
if ($imports)
|
|
{
|
|
$search = $replace = array();
|
|
foreach ($matches as $match)
|
|
{
|
|
$search[] = $match[0];
|
|
$replace[] = self::process_css_rec(dirname($file) . "/$match[1]");
|
|
}
|
|
$css = str_replace($search, $replace, $css);
|
|
}
|
|
return $css;
|
|
}
|
|
}
|
|
|
|
?>
|