Código: Seleccionar todo
<?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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