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<?php
/**
*
* @package phpBB3
* @version $Id$
* @copyright (c) 2005 phpBB Group, sections (c) 2001 ispi of Lincoln Inc
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/

/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
	exit;
}

/**
* Base Template class.
* @package phpBB3
*/
class template
{
	/** variable that holds all the data we'll be substituting into
	* the compiled templates. Takes form:
	* --> $this->_tpldata[block][iteration#][child][iteration#][child2][iteration#][variablename] == value
	* if it's a root-level variable, it'll be like this:
	* --> $this->_tpldata[.][0][varname] == value
	*/
	var $_tpldata = array('.' => array(0 => array()));
	var $_rootref;

// Root dir and hash of filenames for each template handle.
	var $root = '';
	var $cachepath = '';
	var $files = array();
	var $filename = array();
	var $files_inherit = array();
	var $files_template = array();
	var $inherit_root = '';
	var $orig_tpl_storedb;
	var $orig_tpl_inherits_id;

// this will hash handle names to the compiled/uncompiled code for that handle.
	var $compiled_code = array();

/**
	* Set template location
	* @access public
	*/
	function set_template()
	{
		global $phpbb_root_path, $user;

if (file_exists($phpbb_root_path . 'styles/' . $user->theme['template_path'] . '/template'))
		{
			$this->root = $phpbb_root_path . 'styles/' . $user->theme['template_path'] . '/template';
			$this->cachepath = $phpbb_root_path . 'cache/tpl_' . str_replace('_', '-', $user->theme['template_path']) . '_';

if ($this->orig_tpl_storedb === null)
			{
				$this->orig_tpl_storedb = $user->theme['template_storedb'];
			}

if ($this->orig_tpl_inherits_id === null)
			{
				$this->orig_tpl_inherits_id = $user->theme['template_inherits_id'];
			}

$user->theme['template_storedb'] = $this->orig_tpl_storedb;
			$user->theme['template_inherits_id'] = $this->orig_tpl_inherits_id;

if ($user->theme['template_inherits_id'])
			{
				$this->inherit_root = $phpbb_root_path . 'styles/' . $user->theme['template_inherit_path'] . '/template';
			}
		}
		else
		{
			trigger_error('Template path could not be found: styles/' . $user->theme['template_path'] . '/template', E_USER_ERROR);
		}

$this->_rootref = &$this->_tpldata['.'][0];

return true;
	}

/**
	* Set custom template location (able to use directory outside of phpBB)
	* @access public
	*/
	function set_custom_template($template_path, $template_name, $fallback_template_path = false)
	{
		global $phpbb_root_path, $user;

// Make sure $template_path has no ending slash
		if (substr($template_path, -1) == '/')
		{
			$template_path = substr($template_path, 0, -1);
		}

$this->root = $template_path;
		$this->cachepath = $phpbb_root_path . 'cache/ctpl_' . str_replace('_', '-', $template_name) . '_';

if ($fallback_template_path !== false)
		{
			if (substr($fallback_template_path, -1) == '/')
			{
				$fallback_template_path = substr($fallback_template_path, 0, -1);
			}

$this->inherit_root = $fallback_template_path;
			$this->orig_tpl_inherits_id = true;
		}
		else
		{
			$this->orig_tpl_inherits_id = false;
		}

// the database does not store the path or name of a custom template
		// so there is no way we can properly store custom templates there
		$this->orig_tpl_storedb = false;

$this->_rootref = &$this->_tpldata['.'][0];

return true;
	}

/**
	* Sets the template filenames for handles. $filename_array
	* should be a hash of handle => filename pairs.
	* @access public
	*/
	function set_filenames($filename_array)
	{
		if (!is_array($filename_array))
		{
			return false;
		}
		foreach ($filename_array as $handle => $filename)
		{
			if (empty($filename))
			{
				trigger_error("template->set_filenames: Empty filename specified for $handle", E_USER_ERROR);
			}

$this->filename[$handle] = $filename;
			$this->files[$handle] = $this->root . '/' . $filename;

if ($this->inherit_root)
			{
				$this->files_inherit[$handle] = $this->inherit_root . '/' . $filename;
			}
		}

return true;
	}

/**
	* Destroy template data set
	* @access public
	*/
	function destroy()
	{
		$this->_tpldata = array('.' => array(0 => array()));
		$this->_rootref = &$this->_tpldata['.'][0];
	}

/**
	* Reset/empty complete block
	* @access public
	*/
	function destroy_block_vars($blockname)
	{
		if (strpos($blockname, '.') !== false)
		{
			// Nested block.
			$blocks = explode('.', $blockname);
			$blockcount = sizeof($blocks) - 1;

$str = &$this->_tpldata;
			for ($i = 0; $i < $blockcount; $i++)
			{
				$str = &$str[$blocks[$i]];
				$str = &$str[sizeof($str) - 1];
			}

unset($str[$blocks[$blockcount]]);
		}
		else
		{
			// Top-level block.
			unset($this->_tpldata[$blockname]);
		}

return true;
	}

/**
	* Display handle
	* @access public
	*/
	function display($handle, $include_once = true)
	{
		global $user, $phpbb_hook;

if (!empty($phpbb_hook) && $phpbb_hook->call_hook(array(__CLASS__, __FUNCTION__), $handle, $include_once, $this))
		{
			if ($phpbb_hook->hook_return(array(__CLASS__, __FUNCTION__)))
			{
				return $phpbb_hook->hook_return_result(array(__CLASS__, __FUNCTION__));
			}
		}

if (defined('IN_ERROR_HANDLER'))
		{
			if ((E_NOTICE & error_reporting()) == E_NOTICE)
			{
				error_reporting(error_reporting() ^ E_NOTICE);
			}
		}

if ($filename = $this->_tpl_load($handle))
		{
			($include_once) ? include_once($filename) : include($filename);
		}
		else
		{
			eval(' ?>' . $this->compiled_code[$handle] . '<?php ');
		}

return true;
	}

/**
	* Display the handle and assign the output to a template variable or return the compiled result.
	* @access public
	*/
	function assign_display($handle, $template_var = '', $return_content = true, $include_once = false)
	{
		ob_start();
		$this->display($handle, $include_once);
		$contents = ob_get_clean();

if ($return_content)
		{
			return $contents;
		}

$this->assign_var($template_var, $contents);

return true;
	}

/**
	* Load a compiled template if possible, if not, recompile it
	* @access private
	*/
	function _tpl_load(&$handle)
	{
		global $user, $phpEx, $config;

if (!isset($this->filename[$handle]))
		{
			trigger_error("template->_tpl_load(): No file specified for handle $handle", E_USER_ERROR);
		}

// reload these settings to have the values they had when this object was initialised
		// using set_template or set_custom_template, they might otherwise have been overwritten
		// by other template class instances in between.
		$user->theme['template_storedb'] = $this->orig_tpl_storedb;
		$user->theme['template_inherits_id'] = $this->orig_tpl_inherits_id;

$filename = $this->cachepath . str_replace('/', '.', $this->filename[$handle]) . '.' . $phpEx;
		$this->files_template[$handle] = (isset($user->theme['template_id'])) ? $user->theme['template_id'] : 0;

$recompile = false;
		if (!file_exists($filename) || @filesize($filename) === 0 || defined('DEBUG_EXTRA'))
		{
			$recompile = true;
		}
		else if ($config['load_tplcompile'])
		{
			// No way around it: we need to check inheritance here
			if ($user->theme['template_inherits_id'] && !file_exists($this->files[$handle]))
			{
				$this->files[$handle] = $this->files_inherit[$handle];
				$this->files_template[$handle] = $user->theme['template_inherits_id'];
			}
			$recompile = (@filemtime($filename) < filemtime($this->files[$handle])) ? true : false;
		}

// Recompile page if the original template is newer, otherwise load the compiled version
		if (!$recompile)
		{
			return $filename;
		}

global $db, $phpbb_root_path;

if (!class_exists('template_compile'))
		{
			include($phpbb_root_path . 'includes/functions_template.' . $phpEx);
		}

// Inheritance - we point to another template file for this one. Equality is also used for store_db
		if (isset($user->theme['template_inherits_id']) && $user->theme['template_inherits_id'] && !file_exists($this->files[$handle]))
		{
			$this->files[$handle] = $this->files_inherit[$handle];
			$this->files_template[$handle] = $user->theme['template_inherits_id'];
		}

$compile = new template_compile($this);

// If we don't have a file assigned to this handle, die.
		if (!isset($this->files[$handle]))
		{
			trigger_error("template->_tpl_load(): No file specified for handle $handle", E_USER_ERROR);
		}

// Just compile if no user object is present (happens within the installer)
		if (!$user)
		{
			$compile->_tpl_load_file($handle);
			return false;
		}

if (isset($user->theme['template_storedb']) && $user->theme['template_storedb'])
		{
			$rows = array();
			$ids = array();
			// Inheritance
			if (isset($user->theme['template_inherits_id']) && $user->theme['template_inherits_id'])
			{
				$ids[] = $user->theme['template_inherits_id'];
			}
			$ids[] = $user->theme['template_id'];

foreach ($ids as $id)
			{
				$sql = 'SELECT *
				FROM ' . STYLES_TEMPLATE_DATA_TABLE . '
				WHERE template_id = ' . $id . "
					AND (template_filename = '" . $db->sql_escape($this->filename[$handle]) . "'
						OR template_included " . $db->sql_like_expression($db->any_char . $this->filename[$handle] . ':' . $db->any_char) . ')';

$result = $db->sql_query($sql);
				while ($row = $db->sql_fetchrow($result))
				{
					$rows[$row['template_filename']] = $row;
				}
				$db->sql_freeresult($result);
			}

if (sizeof($rows))
			{
				foreach ($rows as $row)
				{
					$file = $this->root . '/' . $row['template_filename'];
					$force_reload = false;
					if ($row['template_id'] != $user->theme['template_id'])
					{
						// make sure that we are not overlooking a file not in the db yet
						if (isset($user->theme['template_inherits_id']) && $user->theme['template_inherits_id'] && !file_exists($file))
						{
							$file = $this->inherit_root . '/' . $row['template_filename'];
							$this->files[$row['template_filename']] = $file;
							$this->files_inherit[$row['template_filename']] = $file;
							$this->files_template[$row['template_filename']] = $user->theme['template_inherits_id'];
						}
						else if (isset($user->theme['template_inherits_id']) && $user->theme['template_inherits_id'])
						{
							// Ok, we have a situation. There is a file in the subtemplate, but nothing in the DB. We have to fix that.
							$force_reload = true;
							$this->files_template[$row['template_filename']] = $user->theme['template_inherits_id'];
						}
					}
					else
					{
						$this->files_template[$row['template_filename']] = $user->theme['template_id'];
					}

if ($force_reload || $row['template_mtime'] < filemtime($file))
					{
						if ($row['template_filename'] == $this->filename[$handle])
						{
							$compile->_tpl_load_file($handle, true);
						}
						else
						{
							$this->files[$row['template_filename']] = $file;
							$this->filename[$row['template_filename']] = $row['template_filename'];
							$compile->_tpl_load_file($row['template_filename'], true);
							unset($this->compiled_code[$row['template_filename']]);
							unset($this->files[$row['template_filename']]);
							unset($this->filename[$row['template_filename']]);
						}
					}

if ($row['template_filename'] == $this->filename[$handle])
					{
						$this->compiled_code[$handle] = $compile->compile(trim($row['template_data']));
						$compile->compile_write($handle, $this->compiled_code[$handle]);
					}
					else
					{
						// Only bother compiling if it doesn't already exist
						if (!file_exists($this->cachepath . str_replace('/', '.', $row['template_filename']) . '.' . $phpEx))
						{
							$this->filename[$row['template_filename']] = $row['template_filename'];
							$compile->compile_write($row['template_filename'], $compile->compile(trim($row['template_data'])));
							unset($this->filename[$row['template_filename']]);
						}
					}
				}
			}
			else
			{
				$file = $this->root . '/' . $row['template_filename'];

if (isset($user->theme['template_inherits_id']) && $user->theme['template_inherits_id'] && !file_exists($file))
				{
					$file = $this->inherit_root . '/' . $row['template_filename'];
					$this->files[$row['template_filename']] = $file;
					$this->files_inherit[$row['template_filename']] = $file;
					$this->files_template[$row['template_filename']] = $user->theme['template_inherits_id'];
				}
				// Try to load from filesystem and instruct to insert into the styles table...
				$compile->_tpl_load_file($handle, true);
				return false;
			}

return false;
		}

$compile->_tpl_load_file($handle);
		return false;
	}

/**
	* Assign key variable pairs from an array
	* @access public
	*/
	function assign_vars($vararray)
	{
		foreach ($vararray as $key => $val)
		{
			$this->_rootref[$key] = $val;
		}

return true;
	}

/**
	* Assign a single variable to a single key
	* @access public
	*/
	function assign_var($varname, $varval)
	{
		$this->_rootref[$varname] = $varval;

return true;
	}

/**
	* Assign key variable pairs from an array to a specified block
	* @access public
	*/
	function assign_block_vars($blockname, $vararray)
	{
		if (strpos($blockname, '.') !== false)
		{
			// Nested block.
			$blocks = explode('.', $blockname);
			$blockcount = sizeof($blocks) - 1;

$str = &$this->_tpldata;
			for ($i = 0; $i < $blockcount; $i++)
			{
				$str = &$str[$blocks[$i]];
				$str = &$str[sizeof($str) - 1];
			}

$s_row_count = isset($str[$blocks[$blockcount]]) ? sizeof($str[$blocks[$blockcount]]) : 0;
			$vararray['S_ROW_COUNT'] = $s_row_count;

// Assign S_FIRST_ROW
			if (!$s_row_count)
			{
				$vararray['S_FIRST_ROW'] = true;
			}

// Now the tricky part, we always assign S_LAST_ROW and remove the entry before
			// This is much more clever than going through the complete template data on display (phew)
			$vararray['S_LAST_ROW'] = true;
			if ($s_row_count > 0)
			{
				unset($str[$blocks[$blockcount]][($s_row_count - 1)]['S_LAST_ROW']);
			}

// Now we add the block that we're actually assigning to.
			// We're adding a new iteration to this block with the given
			// variable assignments.
			$str[$blocks[$blockcount]][] = $vararray;
		}
		else
		{
			// Top-level block.
			$s_row_count = (isset($this->_tpldata[$blockname])) ? sizeof($this->_tpldata[$blockname]) : 0;
			$vararray['S_ROW_COUNT'] = $s_row_count;

// Assign S_FIRST_ROW
			if (!$s_row_count)
			{
				$vararray['S_FIRST_ROW'] = true;
			}

// We always assign S_LAST_ROW and remove the entry before
			$vararray['S_LAST_ROW'] = true;
			if ($s_row_count > 0)
			{
				unset($this->_tpldata[$blockname][($s_row_count - 1)]['S_LAST_ROW']);
			}

// Add a new iteration to this block with the variable assignments we were given.
			$this->_tpldata[$blockname][] = $vararray;
		}

return true;
	}

/**
	* Change already assigned key variable pair (one-dimensional - single loop entry)
	*
	* An example of how to use this function:
	* {@example alter_block_array.php}
	*
	* @param	string	$blockname	the blockname, for example 'loop'
	* @param	array	$vararray	the var array to insert/add or merge
	* @param	mixed	$key		Key to search for
	*
	* array: KEY => VALUE [the key/value pair to search for within the loop to determine the correct position]
	*
	* int: Position [the position to change or insert at directly given]
	*
	* If key is false the position is set to 0
	* If key is true the position is set to the last entry
	*
	* @param	string	$mode		Mode to execute (valid modes are 'insert' and 'change')
	*
	*	If insert, the vararray is inserted at the given position (position counting from zero).
	*	If change, the current block gets merged with the vararray (resulting in new key/value pairs be added and existing keys be replaced by the new value).
	*
	* Since counting begins by zero, inserting at the last position will result in this array: array(vararray, last positioned array)
	* and inserting at position 1 will result in this array: array(first positioned array, vararray, following vars)
	*
	* @return bool false on error, true on success
	* @access public
	*/
	function alter_block_array($blockname, $vararray, $key = false, $mode = 'insert')
	{
		if (strpos($blockname, '.') !== false)
		{
			// Nested blocks are not supported
			return false;
		}

// Change key to zero (change first position) if false and to last position if true
		if ($key === false || $key === true)
		{
			$key = ($key === false) ? 0 : sizeof($this->_tpldata[$blockname]);
		}

// Get correct position if array given
		if (is_array($key))
		{
			// Search array to get correct position
			list($search_key, $search_value) = @each($key);

$key = NULL;
			foreach ($this->_tpldata[$blockname] as $i => $val_ary)
			{
				if ($val_ary[$search_key] === $search_value)
				{
					$key = $i;
					break;
				}
			}

// key/value pair not found
			if ($key === NULL)
			{
				return false;
			}
		}

// Insert Block
		if ($mode == 'insert')
		{
			// Make sure we are not exceeding the last iteration
			if ($key >= sizeof($this->_tpldata[$blockname]))
			{
				$key = sizeof($this->_tpldata[$blockname]);
				unset($this->_tpldata[$blockname][($key - 1)]['S_LAST_ROW']);
				$vararray['S_LAST_ROW'] = true;
			}
			else if ($key === 0)
			{
				unset($this->_tpldata[$blockname][0]['S_FIRST_ROW']);
				$vararray['S_FIRST_ROW'] = true;
			}

// Re-position template blocks
			for ($i = sizeof($this->_tpldata[$blockname]); $i > $key; $i--)
			{
				$this->_tpldata[$blockname][$i] = $this->_tpldata[$blockname][$i-1];
				$this->_tpldata[$blockname][$i]['S_ROW_COUNT'] = $i;
			}

// Insert vararray at given position
			$vararray['S_ROW_COUNT'] = $key;
			$this->_tpldata[$blockname][$key] = $vararray;

return true;
		}

// Which block to change?
		if ($mode == 'change')
		{
			if ($key == sizeof($this->_tpldata[$blockname]))
			{
				$key--;
			}

$this->_tpldata[$blockname][$key] = array_merge($this->_tpldata[$blockname][$key], $vararray);
			return true;
		}

return false;
	}

/**
	* Include a separate template
	* @access private
	*/
	function _tpl_include($filename, $include = true)
	{
		$handle = $filename;
		$this->filename[$handle] = $filename;
		$this->files[$handle] = $this->root . '/' . $filename;
		if ($this->inherit_root)
		{
			$this->files_inherit[$handle] = $this->inherit_root . '/' . $filename;
		}

$filename = $this->_tpl_load($handle);

if ($include)
		{
			global $user;

if ($filename)
			{
				include($filename);
				return;
			}
			eval(' ?>' . $this->compiled_code[$handle] . '<?php ');
		}
	}

/**
	* Include a php-file
	* @access private
	*/
	function _php_include($filename)
	{
		global $phpbb_root_path;

$file = $phpbb_root_path . $filename;

if (!file_exists($file))
		{
			// trigger_error cannot be used here, as the output already started
			echo 'template->_php_include(): File ' . htmlspecialchars($file) . ' does not exist or is empty';
			return;
		}
		include($file);
	}
}

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functions_admin.php	88.92 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_compress.php	18.58 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_content.php	37.74 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_convert.php	60.69 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_database_helper.php	4.99 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_display.php	43.17 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_install.php	15.16 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_jabber.php	21.36 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_messenger.php	41.99 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_module.php	22.99 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_posting.php	88.19 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_privmsgs.php	62.73 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_profile_fields.php	34.96 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_template.php	22.57 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_transfer.php	17.45 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_upload.php	24.91 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
functions_user.php	92.58 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
index.htm	169 B	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
message_parser.php	48.83 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
session.php	76.61 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
startup.php	4.51 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive
template.php	18.44 KB	lrw-r--r--	2024-11-22 17:53:06	Edit Download recursive recursive