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0513ef4d17
- allow setting custom template path - adjusted module class to correctly parse trees with more than one category - added caching to module class git-svn-id: file:///svn/phpbb/trunk@5268 89ea8834-ac86-4346-8a33-228a782c2dd0
1032 lines
29 KiB
PHP
1032 lines
29 KiB
PHP
<?php
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/**
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*
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* @package phpBB3
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* @version $Id$
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* @copyright (c) 2005 phpBB Group, sections (c) 2001 ispi of Lincoln Inc
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @package phpBB3
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*
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* Template class.
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*
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* psoTFX - Completion of file caching, decompilation routines and implementation of
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* conditionals/keywords and associated changes
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*
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* The interface was inspired by PHPLib templates, and the template file (formats are
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* quite similar)
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*
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* The keyword/conditional implementation is currently based on sections of code from
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* the Smarty templating engine (c) 2001 ispi of Lincoln, Inc. which is released
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* (on its own and in whole) under the LGPL. Section 3 of the LGPL states that any code
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* derived from an LGPL application may be relicenced under the GPL, this applies
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* to this source
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*
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* DEFINE directive inspired by a request by Cyberalien
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*/
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class template
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{
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// variable that holds all the data we'll be substituting into
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// the compiled templates. Takes form:
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// --> $this->_tpldata[block.][iteration#][child.][iteration#][child2.][iteration#][variablename] == value
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// if it's a root-level variable, it'll be like this:
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// --> $this->_tpldata[.][0][varname] == value
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var $_tpldata = array();
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// Root dir and hash of filenames for each template handle.
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var $tpl = '';
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var $root = '';
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var $cachepath = '';
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var $files = array();
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// this will hash handle names to the compiled/uncompiled code for that handle.
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var $compiled_code = array();
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// Various counters and storage arrays
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var $block_names = array();
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var $block_else_level = array();
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var $block_nesting_level = 0;
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var $static_lang;
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function set_template($static_lang = false)
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{
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global $phpbb_root_path, $config, $user;
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if (file_exists($phpbb_root_path . 'styles/' . $user->theme['primary']['template_path'] . '/template'))
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{
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$this->tpl = 'primary';
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$this->root = $phpbb_root_path . 'styles/' . $user->theme['primary']['template_path']. '/template';
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$this->cachepath = $phpbb_root_path . 'cache/tpl_' . $user->theme['primary']['template_path'] . '_';
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}
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else
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{
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$this->tpl = 'secondary';
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$this->root = $phpbb_root_path . 'styles/' . $user->theme['secondary']['template_path']. '/template';
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$this->cachepath = $phpbb_root_path . 'cache/tpl_' . $user->theme['secondary']['template_path'] . '_';
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}
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$this->static_lang = $static_lang;
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return true;
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}
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function set_custom_template($template_path, $template_name, $static_lang = false)
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{
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global $phpbb_root_path;
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$this->tpl = 'primary';
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$this->root = $template_path;
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$this->cachepath = $phpbb_root_path . 'cache/ctpl_' . $template_name . '_';
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$this->static_lang = $static_lang;
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return true;
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}
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// Sets the template filenames for handles. $filename_array
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// should be a hash of handle => filename pairs.
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function set_filenames($filename_array)
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{
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if (!is_array($filename_array))
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{
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return false;
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}
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$template_names = '';
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foreach ($filename_array as $handle => $filename)
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{
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if (empty($filename))
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{
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trigger_error("template error - Empty filename specified for $handle", E_USER_ERROR);
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}
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$this->filename[$handle] = $filename;
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$this->files[$handle] = $this->root . '/' . $filename;
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}
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return true;
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}
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// Destroy template data set
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function destroy()
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{
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$this->_tpldata = array();
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}
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// Methods for loading and evaluating the templates
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function display($handle, $include_once = true)
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{
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global $user;
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if ($filename = $this->_tpl_load($handle))
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{
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($include_once) ? include_once($filename) : include($filename);
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}
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else
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{
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eval(' ?>' . $this->compiled_code[$handle] . '<?php ');
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}
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return true;
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}
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// Load a compiled template if possible, if not, recompile it
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function _tpl_load(&$handle)
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{
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global $config, $user, $db, $phpEx;
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$filename = $this->cachepath . $this->filename[$handle] . '.' . (($this->static_lang) ? $user->data['user_lang'] . '.' : '') . $phpEx;
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$recompile = (($config['load_tplcompile'] && @filemtime($filename) < filemtime($this->files[$handle])) || !file_exists($filename)) ? true : false;
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// Recompile page if the original template is newer, otherwise load the compiled version
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if (!$recompile)
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{
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return $filename;
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}
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// If the file for this handle is already loaded and compiled, do nothing.
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if (!empty($this->uncompiled_code[$handle]))
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{
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return true;
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}
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// If we don't have a file assigned to this handle, die.
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if (!isset($this->files[$handle]))
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{
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trigger_error("template->_tpl_load(): No file specified for handle $handle", E_USER_ERROR);
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}
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if (!file_exists($this->files[$handle]) && !empty($user->theme['secondary']))
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{
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$this->tpl = 'secondary';
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$this->files[$handle] = $phpbb_root_path . 'styles/' . $user->theme['secondary']['template_path'] . '/template/' . $this->filename[$handle];
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}
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if ($user->theme[$this->tpl]['template_storedb'])
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{
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$sql = 'SELECT * FROM ' . STYLES_TPLDATA_TABLE . '
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WHERE template_id = ' . $user->theme[$this->tpl]['template_id'] . "
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AND (template_filename = '" . $db->sql_escape($this->filename[$handle]) . "'
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OR template_included LIKE '%" . $db->sql_escape($this->filename[$handle]) . ":%')";
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$result = $db->sql_query($sql);
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if ($row = $db->sql_fetchrow($result))
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{
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do
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{
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if ($row['template_mtime'] < filemtime($phpbb_root_path . 'styles/' . $user->theme[$this->tpl]['template_path'] . '/template/' . $row['template_filename']))
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{
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if ($row['template_filename'] == $this->filename[$handle])
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{
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$this->_tpl_load_file($handle);
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}
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else
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{
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$this->files[$row['template_filename']] = $this->root . '/' . $row['template_filename'];
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$this->_tpl_load_file($row['template_filename']);
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unset($this->compiled_code[$row['template_filename']]);
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unset($this->files[$row['template_filename']]);
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}
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}
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if ($row['template_filename'] == $this->filename[$handle])
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{
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$this->compiled_code[$handle] = $this->compile(trim($row['template_data']));
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$this->compile_write($handle, $this->compiled_code[$handle]);
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}
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else
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{
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// Only bother compiling if it doesn't already exist
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if (!file_exists($this->cachepath . $row['template_filename'] . '.' . (($this->static_lang) ? $user->data['user_lang'] . '.' : '') . $phpEx))
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{
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$this->filename[$row['template_filename']] = $row['template_filename'];
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$this->compile_write($row['template_filename'], $this->compile(trim($row['template_data'])));
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unset($this->filename[$row['template_filename']]);
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}
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}
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}
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while ($row = $db->sql_fetchrow($result));
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}
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$db->sql_freeresult($result);
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return false;
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}
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$this->_tpl_load_file($handle);
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return false;
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}
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// Load template source from file
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function _tpl_load_file($handle)
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{
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// Try and open template for read
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if (!($fp = @fopen($this->files[$handle], 'r')))
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{
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trigger_error("template->_tpl_load_file(): File {$this->files[$handle]} does not exist or is empty", E_USER_ERROR);
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}
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$this->compiled_code[$handle] = $this->compile(trim(@fread($fp, filesize($this->files[$handle]))));
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@fclose($fp);
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// Actually compile the code now.
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$this->compile_write($handle, $this->compiled_code[$handle]);
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}
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// Assign key variable pairs from an array
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function assign_vars($vararray)
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{
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foreach ($vararray as $key => $val)
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{
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$this->_tpldata['.'][0][$key] = $val;
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}
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return true;
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}
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// Assign a single variable to a single key
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function assign_var($varname, $varval)
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{
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$this->_tpldata['.'][0][$varname] = $varval;
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return true;
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}
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// Assign key variable pairs from an array to a specified block
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function assign_block_vars($blockname, $vararray)
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{
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if (strpos($blockname, '.') !== false)
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{
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// Nested block.
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$blocks = explode('.', $blockname);
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$blockcount = sizeof($blocks) - 1;
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$str = &$this->_tpldata;
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for ($i = 0; $i < $blockcount; $i++)
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{
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$str = &$str[$blocks[$i]];
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$str = &$str[sizeof($str) - 1];
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}
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$vararray['S_ROW_COUNT'] = sizeof($str[$blocks[$blockcount]]);
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// Assign S_FIRST_ROW
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if (sizeof($str[$blocks[$blockcount]]) == 0)
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{
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$vararray['S_FIRST_ROW'] = true;
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}
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// Now the tricky part, we always assign S_LAST_ROW and remove the entry before
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// This is much more clever than going through the complete template data on display (phew)
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$vararray['S_LAST_ROW'] = true;
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if (sizeof($str[$blocks[$blockcount]]) > 0)
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{
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unset($str[$blocks[$blockcount]][sizeof($str[$blocks[$blockcount]]) - 1]['S_LAST_ROW']);
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}
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// Now we add the block that we're actually assigning to.
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// We're adding a new iteration to this block with the given
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// variable assignments.
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$str[$blocks[$blockcount]][] = &$vararray;
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}
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else
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{
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// Top-level block.
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$vararray['S_ROW_COUNT'] = sizeof($this->_tpldata[$blockname]);
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// Assign S_FIRST_ROW
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if (sizeof($this->_tpldata[$blockname]) == 0)
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{
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$vararray['S_FIRST_ROW'] = true;
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}
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// We always assign S_LAST_ROW and remove the entry before
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$vararray['S_LAST_ROW'] = true;
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if (sizeof($this->_tpldata[$blockname]) > 0)
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{
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unset($this->_tpldata[$blockname][sizeof($this->_tpldata[$blockname]) - 1]['S_LAST_ROW']);
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}
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// Add a new iteration to this block with the variable assignments
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// we were given.
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$this->_tpldata[$blockname][] = &$vararray;
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}
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return true;
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}
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/**
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* Change already assigned key variable pair (one-dimensional - single loop entry)
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*
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* Some Examples:
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* <code>
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*
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* alter_block_array('loop', $varrarray); // Insert vararray at the end
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* alter_block_array('loop', $vararray, 2); // Insert vararray at position 2
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* alter_block_array('loop', $vararray, array('KEY' => 'value')); // Insert vararray at the position where the key 'KEY' has the value of 'value'
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* alter_block_array('loop', $vararray, false); // Insert vararray at first position
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* alter_block_array('loop', $vararray, true); //Insert vararray at last position (assign_block_vars equivalence)
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*
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* alter_block_array('loop', $vararray, 2, 'change'); // Change/Merge vararray with existing array at position 2
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* alter_block_array('loop', $vararray, array('KEY' => 'value'), 'change'); // Change/Merge vararray with existing array at the position where the key 'KEY' has the value of 'value'
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* alter_block_array('loop', $vararray, false, 'change'); // Change/Merge vararray with existing array at first position
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* alter_block_array('loop', $vararray, true, 'change'); // Change/Merge vararray with existing array at last position
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*
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* </code>
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*
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* @param string $blockname the blockname, for example 'loop'
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* @param array $vararray the var array to insert/add or merge
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* @param mixed $key Key to search for
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*
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* array: KEY => VALUE [the key/value pair to search for within the loop to determine the correct position]
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*
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* int: Position [the position to change or insert at directly given]
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*
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* If key is false the position is set to 0
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*
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* If key is true the position is set to the last entry
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*
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* @param insert|change $mode Mode to execute
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*
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* If insert, the vararray is inserted at the given position (position counting from zero).
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*
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* If change, the current block gets merged with the vararray (resulting in new key/value pairs be added and existing keys be replaced by the new value).
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*
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* Since counting begins by zero, inserting at the last position will result in this array: array(vararray, last positioned array)
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* and inserting at position 1 will result in this array: array(first positioned array, vararray, following vars)
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*
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*/
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function alter_block_array($blockname, $vararray, $key = false, $mode = 'insert')
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{
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if (strpos($blockname, '.') !== false)
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{
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// Nested blocks are not supported
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return false;
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}
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// Change key to zero (change first position) if false and to last position if true
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if ($key === false || $key === true)
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{
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$key = ($key === false) ? 0 : sizeof($this->_tpldata[$blockname])-1;
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}
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// Get correct position if array given
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if (is_array($key))
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{
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// Search array to get correct position
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list($search_key, $search_value) = @each($key);
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$key = NULL;
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foreach ($this->_tpldata[$blockname] as $i => $val_ary)
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{
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if ($val_ary[$search_key] === $search_value)
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{
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$key = $i;
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break;
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}
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}
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// key/value pair not found
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if ($key === NULL)
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{
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return false;
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}
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}
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// Insert Block
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if ($mode == 'insert')
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{
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// Make sure we are not exceeding the last iteration
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if ($key > sizeof($this->_tpldata[$blockname]))
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{
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$key = sizeof($this->_tpldata[$blockname]);
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}
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// Re-position template blocks
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for ($i = sizeof($this->_tpldata[$blockname]); $i > $key; $i--)
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{
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$this->_tpldata[$blockname][$i] = $this->_tpldata[$blockname][$i-1];
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$this->_tpldata[$blockname][$i]['S_ROW_COUNT'] = $i;
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}
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// Insert vararray at given position
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$vararray['S_ROW_COUNT'] = $key;
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$this->_tpldata[$blockname][$key] = &$vararray;
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return true;
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}
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// Which block to change?
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if ($mode == 'change')
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{
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$this->_tpldata[$blockname][$key] = array_merge($this->_tpldata[$blockname][$key], &$vararray);
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return true;
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}
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}
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// Include a seperate template
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function _tpl_include($filename, $include = true)
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{
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$handle = $filename;
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$this->filename[$handle] = $filename;
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$this->files[$handle] = $this->root . '/' . $filename;
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$filename = $this->_tpl_load($handle);
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if ($include)
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{
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global $user;
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if ($filename)
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{
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include_once($filename);
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return;
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}
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eval(' ?>' . $this->compiled_code[$handle] . '<?php ');
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}
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}
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// This next set of methods could be seperated off and included since
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// they deal exclusively with compilation ... which is done infrequently
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// and would save a fair few kb
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// The all seeing all doing compile method. Parts are inspired by or directly
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// from Smarty
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function compile($code, $no_echo = false, $echo_var = '')
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{
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global $config;
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if ($echo_var)
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{
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global $$echo_var;
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}
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// Remove any "loose" php ... we want to give admins the ability
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// to switch on/off PHP for a given template. Allowing unchecked
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// php is a no-no. There is a potential issue here in that non-php
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// content may be removed ... however designers should use entities
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// if they wish to display < and >
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$match_php_tags = array('#\<\?php .*?\?\>#is', '#\<\script language="php"\>.*?\<\/script\>#is', '#\<\?.*?\?\>#s', '#\<%.*?%\>#s');
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$code = preg_replace($match_php_tags, '', $code);
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// Pull out all block/statement level elements and seperate plain text
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preg_match_all('#<!-- PHP -->(.*?)<!-- ENDPHP -->#s', $code, $matches);
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$php_blocks = $matches[1];
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$code = preg_replace('#<!-- PHP -->(.*?)<!-- ENDPHP -->#s', '<!-- PHP -->', $code);
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preg_match_all('#<!-- INCLUDE ([a-zA-Z0-9\_\-\+\.]+?) -->#', $code, $matches);
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$include_blocks = $matches[1];
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$code = preg_replace('#<!-- INCLUDE ([a-zA-Z0-9\_\-\+\.]+?) -->#', '<!-- INCLUDE -->', $code);
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preg_match_all('#<!-- INCLUDEPHP ([a-zA-Z0-9\_\-\+\.\\\\]+?) -->#', $code, $matches);
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$includephp_blocks = $matches[1];
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$code = preg_replace('#<!-- INCLUDEPHP ([a-zA-Z0-9\_\-\+\.]+?) -->#', '<!-- INCLUDEPHP -->', $code);
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preg_match_all('#<!-- (.*?) (.*?)?[ ]?-->#', $code, $blocks);
|
|
$text_blocks = preg_split('#<!-- (.*?) (.*?)?[ ]?-->#', $code);
|
|
|
|
for ($i = 0, $j = sizeof($text_blocks); $i < $j; $i++)
|
|
{
|
|
$this->compile_var_tags($text_blocks[$i]);
|
|
}
|
|
$compile_blocks = array();
|
|
|
|
for ($curr_tb = 0, $tb_size = sizeof($text_blocks); $curr_tb < $tb_size; $curr_tb++)
|
|
{
|
|
if (!isset($blocks[1][$curr_tb]))
|
|
{
|
|
$blocks[1][$curr_tb] = '';
|
|
}
|
|
|
|
switch ($blocks[1][$curr_tb])
|
|
{
|
|
case 'BEGIN':
|
|
$this->block_else_level[] = false;
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_block($blocks[2][$curr_tb]) . ' ?>';
|
|
break;
|
|
|
|
case 'BEGINELSE':
|
|
$this->block_else_level[sizeof($this->block_else_level) - 1] = true;
|
|
$compile_blocks[] = '<?php }} else { ?>';
|
|
break;
|
|
|
|
case 'END':
|
|
array_pop($this->block_names);
|
|
$compile_blocks[] = '<?php ' . ((array_pop($this->block_else_level)) ? '}' : '}}') . ' ?>';
|
|
break;
|
|
|
|
case 'IF':
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_if($blocks[2][$curr_tb], false) . ' ?>';
|
|
break;
|
|
|
|
case 'ELSE':
|
|
$compile_blocks[] = '<?php } else { ?>';
|
|
break;
|
|
|
|
case 'ELSEIF':
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_if($blocks[2][$curr_tb], true) . ' ?>';
|
|
break;
|
|
|
|
case 'ENDIF':
|
|
$compile_blocks[] = '<?php } ?>';
|
|
break;
|
|
|
|
case 'DEFINE':
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_define($blocks[2][$curr_tb], true) . ' ?>';
|
|
break;
|
|
|
|
case 'UNDEFINE':
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_define($blocks[2][$curr_tb], false) . ' ?>';
|
|
break;
|
|
|
|
case 'INCLUDE':
|
|
$temp = '';
|
|
list(, $temp) = each($include_blocks);
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_include($temp) . ' ?>';
|
|
$this->_tpl_include($temp, false);
|
|
break;
|
|
|
|
case 'INCLUDEPHP':
|
|
if ($config['tpl_php'])
|
|
{
|
|
$temp = '';
|
|
list(, $temp) = each($includephp_blocks);
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_include_php($temp) . ' ?>';
|
|
}
|
|
else
|
|
{
|
|
$compile_blocks[] = '';
|
|
}
|
|
break;
|
|
|
|
case 'PHP':
|
|
if ($config['tpl_php'])
|
|
{
|
|
$temp = '';
|
|
list(, $temp) = each($php_blocks);
|
|
$compile_blocks[] = '<?php ' . $temp . ' ?>';
|
|
}
|
|
else
|
|
{
|
|
$compile_blocks[] = '';
|
|
}
|
|
break;
|
|
|
|
default:
|
|
$this->compile_var_tags($blocks[0][$curr_tb]);
|
|
$trim_check = trim($blocks[0][$curr_tb]);
|
|
$compile_blocks[] = (!$no_echo) ? ((!empty($trim_check)) ? $blocks[0][$curr_tb] : '') : ((!empty($trim_check)) ? $blocks[0][$curr_tb] : '');
|
|
break;
|
|
}
|
|
}
|
|
|
|
$template_php = '';
|
|
for ($i = 0, $size = sizeof($text_blocks); $i < $size; $i++)
|
|
{
|
|
$trim_check_text = trim($text_blocks[$i]);
|
|
$trim_check_block = trim($compile_blocks[$i]);
|
|
$template_php .= (!$no_echo) ? ((!empty($trim_check_text)) ? $text_blocks[$i] : '') . ((!empty($compile_blocks[$i])) ? $compile_blocks[$i] : '') : ((!empty($trim_check_text)) ? $text_blocks[$i] : '') . ((!empty($compile_blocks[$i])) ? $compile_blocks[$i] : '');
|
|
}
|
|
|
|
// There will be a number of occassions where we switch into and out of
|
|
// PHP mode instantaneously. Rather than "burden" the parser with this
|
|
// we'll strip out such occurences, minimising such switching
|
|
$template_php = str_replace(' ?><?php ', '', $template_php);
|
|
|
|
return (!$no_echo) ? $template_php : "\$$echo_var .= '" . $template_php . "'";
|
|
}
|
|
|
|
function compile_var_tags(&$text_blocks)
|
|
{
|
|
// change template varrefs into PHP varrefs
|
|
$varrefs = array();
|
|
|
|
// This one will handle varrefs WITH namespaces
|
|
preg_match_all('#\{(([a-z0-9\-_]+?\.)+?)(\$)?([A-Z0-9\-_]+?)\}#', $text_blocks, $varrefs);
|
|
|
|
for ($j = 0, $size = sizeof($varrefs[1]); $j < $size; $j++)
|
|
{
|
|
$namespace = $varrefs[1][$j];
|
|
$varname = $varrefs[4][$j];
|
|
$new = $this->generate_block_varref($namespace, $varname, true, $varrefs[3][$j]);
|
|
|
|
$text_blocks = str_replace($varrefs[0][$j], $new, $text_blocks);
|
|
}
|
|
|
|
// This will handle the remaining root-level varrefs
|
|
if (!$this->static_lang)
|
|
{
|
|
$text_blocks = preg_replace('#\{L_([a-z0-9\-_]*?)\}#is', "<?php echo ((isset(\$this->_tpldata['.'][0]['L_\\1'])) ? \$this->_tpldata['.'][0]['L_\\1'] : ((isset(\$user->lang['\\1'])) ? \$user->lang['\\1'] : '{ ' . ucfirst(strtolower(str_replace('_', ' ', '\\1'))) . ' }')); ?>", $text_blocks);
|
|
}
|
|
else
|
|
{
|
|
global $user;
|
|
|
|
$text_blocks = preg_replace('#\{L_([A-Z0-9\-_]*?)\}#e', "'<?php echo ((isset(\$this->_tpldata[\'.\'][0][\'L_\\1\'])) ? \$this->_tpldata[\'.\'][0][\'L_\\1\'] : \'' . ((isset(\$user->lang['\\1'])) ? \$user->lang['\\1'] : '') . '\'); ?>'" , $text_blocks);
|
|
}
|
|
|
|
$text_blocks = preg_replace('#\{([a-z0-9\-_]*?)\}#is', "<?php echo \$this->_tpldata['.'][0]['\\1']; ?>", $text_blocks);
|
|
$text_blocks = preg_replace('#\{\$([a-z0-9\-_]*?)\}#is', "<?php echo \$this->_tpldata['DEFINE']['.']['\\1']; ?>", $text_blocks);
|
|
|
|
return;
|
|
}
|
|
|
|
function compile_tag_block($tag_args)
|
|
{
|
|
// Allow for control of looping (indexes start from zero):
|
|
// foo(2) : Will start the loop on the 3rd entry
|
|
// foo(-2) : Will start the loop two entries from the end
|
|
// foo(3,4) : Will start the loop on the fourth entry and end it on the fifth
|
|
// foo(3,-4) : Will start the loop on the fourth entry and end it four from last
|
|
if (preg_match('#^(.*?)\(([\-0-9]+)(,([\-0-9]+))?\)$#', $tag_args, $match))
|
|
{
|
|
$tag_args = $match[1];
|
|
|
|
if ($match[2] < 0)
|
|
{
|
|
$loop_start = '($_' . $tag_args . '_count ' . $match[2] . ' < 0 ? 0 : $_' . $tag_args . '_count ' . $match[2] . ')';
|
|
}
|
|
else
|
|
{
|
|
$loop_start = '($_' . $tag_args . '_count < ' . $match[2] . ' ? $_' . $tag_args . '_count : ' . $match[2] . ')';
|
|
}
|
|
|
|
if (strlen($match[4]) < 1 || $match[4] == -1)
|
|
{
|
|
$loop_end = '$_' . $tag_args . '_count';
|
|
}
|
|
else if ($match[4] >= 0)
|
|
{
|
|
$loop_end = '(' . ($match[4] + 1) . ' > $_' . $tag_args . '_count ? $_' . $tag_args . '_count : ' . ($match[4] + 1) . ')';
|
|
}
|
|
else //if ($match[4] < -1)
|
|
{
|
|
$loop_end = '$_' . $tag_args . '_count' . ($match[4] + 1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$loop_start = 0;
|
|
$loop_end = '$_' . $tag_args . '_count';
|
|
}
|
|
|
|
$tag_template_php = '';
|
|
array_push($this->block_names, $tag_args);
|
|
|
|
if (sizeof($this->block_names) < 2)
|
|
{
|
|
// Block is not nested.
|
|
$tag_template_php = '$_' . $tag_args . "_count = (isset(\$this->_tpldata['$tag_args'])) ? sizeof(\$this->_tpldata['$tag_args']) : 0;";
|
|
}
|
|
else
|
|
{
|
|
// This block is nested.
|
|
|
|
// Generate a namespace string for this block.
|
|
$namespace = implode('.', $this->block_names);
|
|
|
|
// Get a reference to the data array for this block that depends on the
|
|
// current indices of all parent blocks.
|
|
$varref = $this->generate_block_data_ref($namespace, false);
|
|
|
|
// Create the for loop code to iterate over this block.
|
|
$tag_template_php = '$_' . $tag_args . '_count = (isset(' . $varref . ')) ? sizeof(' . $varref . ') : 0;';
|
|
}
|
|
|
|
$tag_template_php .= 'if ($_' . $tag_args . '_count) {';
|
|
$tag_template_php .= 'for ($this->_' . $tag_args . '_i = ' . $loop_start . '; $this->_' . $tag_args . '_i < ' . $loop_end . '; $this->_' . $tag_args . '_i++){';
|
|
|
|
return $tag_template_php;
|
|
}
|
|
|
|
//
|
|
// Compile IF tags - much of this is from Smarty with
|
|
// some adaptions for our block level methods
|
|
//
|
|
function compile_tag_if($tag_args, $elseif)
|
|
{
|
|
/* Tokenize args for 'if' tag. */
|
|
preg_match_all('/(?:
|
|
"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" |
|
|
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' |
|
|
[(),] |
|
|
[^\s(),]+)/x', $tag_args, $match);
|
|
|
|
$tokens = $match[0];
|
|
$is_arg_stack = array();
|
|
|
|
for ($i = 0, $size = sizeof($tokens); $i < $size; $i++)
|
|
{
|
|
$token = &$tokens[$i];
|
|
|
|
switch ($token)
|
|
{
|
|
case '!':
|
|
case '%':
|
|
case '!==':
|
|
case '==':
|
|
case '===':
|
|
case '>':
|
|
case '<':
|
|
case '!=':
|
|
case '<>':
|
|
case '<<':
|
|
case '>>':
|
|
case '<=':
|
|
case '>=':
|
|
case '&&':
|
|
case '||':
|
|
case '|':
|
|
case '^':
|
|
case '&':
|
|
case '~':
|
|
case ')':
|
|
case ',':
|
|
case '+':
|
|
case '-':
|
|
case '*':
|
|
case '/':
|
|
case '@':
|
|
break;
|
|
|
|
case 'eq':
|
|
$token = '==';
|
|
break;
|
|
|
|
case 'ne':
|
|
case 'neq':
|
|
$token = '!=';
|
|
break;
|
|
|
|
case 'lt':
|
|
$token = '<';
|
|
break;
|
|
|
|
case 'le':
|
|
case 'lte':
|
|
$token = '<=';
|
|
break;
|
|
|
|
case 'gt':
|
|
$token = '>';
|
|
break;
|
|
|
|
case 'ge':
|
|
case 'gte':
|
|
$token = '>=';
|
|
break;
|
|
|
|
case 'and':
|
|
$token = '&&';
|
|
break;
|
|
|
|
case 'or':
|
|
$token = '||';
|
|
break;
|
|
|
|
case 'not':
|
|
$token = '!';
|
|
break;
|
|
|
|
case 'mod':
|
|
$token = '%';
|
|
break;
|
|
|
|
case '(':
|
|
array_push($is_arg_stack, $i);
|
|
break;
|
|
|
|
case 'is':
|
|
$is_arg_start = ($tokens[$i-1] == ')') ? array_pop($is_arg_stack) : $i-1;
|
|
$is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start));
|
|
|
|
$new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1));
|
|
|
|
array_splice($tokens, $is_arg_start, sizeof($tokens), $new_tokens);
|
|
|
|
$i = $is_arg_start;
|
|
|
|
default:
|
|
if (preg_match('#^(([a-z0-9\-_]+?\.)+?)?(\$)?([A-Z]+[A-Z0-9\-_]+)$#s', $token, $varrefs))
|
|
{
|
|
$token = (!empty($varrefs[1])) ? $this->generate_block_data_ref(substr($varrefs[1], 0, -1), true, $varrefs[3]) . '[\'' . $varrefs[4] . '\']' : (($varrefs[3]) ? '$this->_tpldata[\'DEFINE\'][\'.\'][\'' . $varrefs[4] . '\']' : '$this->_tpldata[\'.\'][0][\'' . $varrefs[4] . '\']');
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (($elseif) ? '} elseif (' : 'if (') . (implode(' ', $tokens) . ') { ');
|
|
}
|
|
|
|
function compile_tag_define($tag_args, $op)
|
|
{
|
|
preg_match('#^(([a-z0-9\-_]+?\.)+?)?\$([A-Z][A-Z0-9_\-]*?)( = (\'?)(.*?)(\'?))?$#', $tag_args, $match);
|
|
|
|
if (empty($match[3]) || (empty($match[6]) && $op))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!$op)
|
|
{
|
|
return 'unset(' . (($match[1]) ? $this->generate_block_data_ref(substr($match[1], 0, -1), true, true) . '[\'' . $match[3] . '\']' : '$this->_tpldata[\'DEFINE\'][\'.\'][\'' . $match[3] . '\']') . ');';
|
|
}
|
|
|
|
// Are we a string?
|
|
if ($match[5] && $match[7])
|
|
{
|
|
$match[6] = addslashes(str_replace(array('\\\'', '\\\\'), array('\'', '\\'), $match[6]));
|
|
|
|
// Compile reference, we allow template variables in defines...
|
|
$match[6] = $this->compile($match[6]);
|
|
|
|
// Now replace the php code
|
|
$match[6] = "'" . str_replace(array('<?php echo ', '; ?>'), array("' . ", " . '"), $match[6]) . "'";
|
|
}
|
|
else
|
|
{
|
|
preg_match('#(true|false|\.)#i', $match[6], $type);
|
|
|
|
switch (strtolower($type[1]))
|
|
{
|
|
case 'true':
|
|
case 'false':
|
|
$match[6] = strtoupper($match[6]);
|
|
break;
|
|
case '.';
|
|
$match[6] = doubleval($match[6]);
|
|
break;
|
|
default:
|
|
$match[6] = intval($match[6]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (($match[1]) ? $this->generate_block_data_ref(substr($match[1], 0, -1), true, true) . '[\'' . $match[3] . '\']' : '$this->_tpldata[\'DEFINE\'][\'.\'][\'' . $match[3] . '\']') . ' = ' . $match[6] . ';';
|
|
}
|
|
|
|
function compile_tag_include($tag_args)
|
|
{
|
|
return "\$this->_tpl_include('$tag_args');";
|
|
}
|
|
|
|
function compile_tag_include_php($tag_args)
|
|
{
|
|
return "include('" . $this->root . '/' . $tag_args . "');";
|
|
}
|
|
|
|
// This is from Smarty
|
|
function _parse_is_expr($is_arg, $tokens)
|
|
{
|
|
$expr_end = 0;
|
|
$negate_expr = false;
|
|
|
|
if (($first_token = array_shift($tokens)) == 'not')
|
|
{
|
|
$negate_expr = true;
|
|
$expr_type = array_shift($tokens);
|
|
}
|
|
else
|
|
{
|
|
$expr_type = $first_token;
|
|
}
|
|
|
|
switch ($expr_type)
|
|
{
|
|
case 'even':
|
|
if (@$tokens[$expr_end] == 'by')
|
|
{
|
|
$expr_end++;
|
|
$expr_arg = $tokens[$expr_end++];
|
|
$expr = "!(($is_arg / $expr_arg) % $expr_arg)";
|
|
}
|
|
else
|
|
{
|
|
$expr = "!($is_arg % 2)";
|
|
}
|
|
break;
|
|
|
|
case 'odd':
|
|
if (@$tokens[$expr_end] == 'by')
|
|
{
|
|
$expr_end++;
|
|
$expr_arg = $tokens[$expr_end++];
|
|
$expr = "(($is_arg / $expr_arg) % $expr_arg)";
|
|
}
|
|
else
|
|
{
|
|
$expr = "($is_arg % 2)";
|
|
}
|
|
break;
|
|
|
|
case 'div':
|
|
if (@$tokens[$expr_end] == 'by')
|
|
{
|
|
$expr_end++;
|
|
$expr_arg = $tokens[$expr_end++];
|
|
$expr = "!($is_arg % $expr_arg)";
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if ($negate_expr)
|
|
{
|
|
$expr = "!($expr)";
|
|
}
|
|
|
|
array_splice($tokens, 0, $expr_end, $expr);
|
|
|
|
return $tokens;
|
|
}
|
|
|
|
/**
|
|
* Generates a reference to the given variable inside the given (possibly nested)
|
|
* block namespace. This is a string of the form:
|
|
* ' . $this->_tpldata['parent'][$_parent_i]['$child1'][$_child1_i]['$child2'][$_child2_i]...['varname'] . '
|
|
* It's ready to be inserted into an "echo" line in one of the templates.
|
|
* NOTE: expects a trailing "." on the namespace.
|
|
*/
|
|
function generate_block_varref($namespace, $varname, $echo = true, $defop = false)
|
|
{
|
|
// Strip the trailing period.
|
|
$namespace = substr($namespace, 0, -1);
|
|
|
|
// Get a reference to the data block for this namespace.
|
|
$varref = $this->generate_block_data_ref($namespace, true, $defop);
|
|
// Prepend the necessary code to stick this in an echo line.
|
|
|
|
// Append the variable reference.
|
|
$varref .= "['$varname']";
|
|
$varref = ($echo) ? "<?php echo $varref; ?>" : ((isset($varref)) ? $varref : '');
|
|
|
|
return $varref;
|
|
}
|
|
|
|
/**
|
|
* Generates a reference to the array of data values for the given
|
|
* (possibly nested) block namespace. This is a string of the form:
|
|
* $this->_tpldata['parent'][$_parent_i]['$child1'][$_child1_i]['$child2'][$_child2_i]...['$childN']
|
|
*
|
|
* If $include_last_iterator is true, then [$_childN_i] will be appended to the form shown above.
|
|
* NOTE: does not expect a trailing "." on the blockname.
|
|
*/
|
|
function generate_block_data_ref($blockname, $include_last_iterator, $defop = false)
|
|
{
|
|
// Get an array of the blocks involved.
|
|
$blocks = explode('.', $blockname);
|
|
$blockcount = sizeof($blocks) - 1;
|
|
$varref = '$this->_tpldata' . (($defop) ? '[\'DEFINE\']' : '');
|
|
|
|
// Build up the string with everything but the last child.
|
|
for ($i = 0; $i < $blockcount; $i++)
|
|
{
|
|
$varref .= "['" . $blocks[$i] . "'][\$this->_" . $blocks[$i] . '_i]';
|
|
}
|
|
|
|
// Add the block reference for the last child.
|
|
$varref .= "['" . $blocks[$blockcount] . "']";
|
|
|
|
// Add the iterator for the last child if requried.
|
|
if ($include_last_iterator)
|
|
{
|
|
$varref .= '[$this->_' . $blocks[$blockcount] . '_i]';
|
|
}
|
|
|
|
return $varref;
|
|
}
|
|
|
|
function compile_write(&$handle, $data)
|
|
{
|
|
global $phpEx, $user;
|
|
|
|
$filename = $this->cachepath . $this->filename[$handle] . '.' . (($this->static_lang) ? $user->data['user_lang'] . '.' : '') . $phpEx;
|
|
|
|
if ($fp = @fopen($filename, 'wb'))
|
|
{
|
|
@flock($fp, LOCK_EX);
|
|
@fwrite ($fp, $data);
|
|
@flock($fp, LOCK_UN);
|
|
@fclose($fp);
|
|
|
|
@umask(0);
|
|
@chmod($filename, 0644);
|
|
}
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
?>
|