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PHP

<?php
/*
* Project: template_lite, a smarter template engine
* File: class.template.php
* Author: Paul Lockaby <paul@paullockaby.com>, Mark Dickenson <akapanamajack@sourceforge.net>
* Copyright: 2003,2004,2005 by Paul Lockaby, 2005,2006 Mark Dickenson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* The latest version of template_lite can be obtained from:
* http://templatelite.sourceforge.net
*
*/
if (!defined('TEMPLATE_LITE_DIR')) {
define('TEMPLATE_LITE_DIR', dirname(__FILE__) . DIRECTORY_SEPARATOR);
}
class Template_Lite {
// public configuration variables
var $left_delimiter = "{"; // the left delimiter for template tags
var $right_delimiter = "}"; // the right delimiter for template tags
var $cache = false; // whether or not to allow caching of files
var $force_compile = false; // force a compile regardless of saved state
var $template_dir = "templates"; // where the templates are to be found
var $plugins_dir = array("plugins"); // where the plugins are to be found
var $compile_dir = "compiled"; // the directory to store the compiled files in
var $config_dir = "templates"; // where the config files are
var $cache_dir = "cached"; // where cache files are stored
var $config_overwrite = false;
var $config_booleanize = true;
var $config_fix_new_lines = true;
var $config_read_hidden = true;
var $cache_lifetime = 0; // how long the file in cache should be considered "fresh"
var $encode_file_name = true; // Set this to false if you do not want the name of the compiled/cached file to be md5 encoded.
var $php_extract_vars = false; // Set this to true if you want the $this->_tpl variables to be extracted for use by PHP code inside the template.
var $reserved_template_varname = "templatelite";
var $default_modifiers = array();
var $debugging = false;
var $compiler_file = 'class.compiler.php';
var $compiler_class = 'Template_Lite_Compiler';
var $config_class = 'config';
// gzip output configuration
var $send_now = 1;
var $force_compression = 0;
var $compression_level = 9;
var $enable_gzip = 1;
// private internal variables
var $_vars = array(); // stores all internal assigned variables
var $_confs = array(); // stores all internal config variables
var $_plugins = array( 'modifier' => array(),
'function' => array(),
'block' => array(),
'compiler' => array(),
'resource' => array(),
'prefilter' => array(),
'postfilter' => array(),
'outputfilter' => array());
var $_linenum = 0; // the current line number in the file we are processing
var $_file = ""; // the current file we are processing
var $_config_obj = null;
var $_compile_obj = null;
var $_cache_id = null;
var $_cache_dir = ""; // stores where this specific file is going to be cached
var $_cache_info = array('config' => array(), 'template' => array());
var $_sl_md5 = '39fc70570b8b60cbc1b85839bf242aff';
var $_version = 'V2.10 Template Lite 4 January 2007 (c) 2005-2007 Mark Dickenson. All rights reserved. Released LGPL.';
var $_version_date = "2007-01-04 10:34:21";
var $_config_module_loaded = false;
var $_templatelite_debug_info = array();
var $_templatelite_debug_loop = false;
var $_templatelite_debug_dir = "";
var $_inclusion_depth = 0;
var $_null = null;
var $_resource_type = 1;
var $_resource_time;
var $_sections = array();
var $_foreach = array();
function Template_Lite()
{
$this->_version_date = strtotime($this->_version_date);
}
function load_filter($type, $name)
{
switch ($type)
{
case 'output':
include_once( $this->_get_plugin_dir($type . "filter." . $name . ".php") . $type . "filter." . $name . ".php");
$this->_plugins['outputfilter'][$name] = "template_" . $type . "filter_" . $name;
break;
case 'pre':
case 'post':
if (!isset($this->_plugins[$type . 'filter'][$name]))
{
$this->_plugins[$type . 'filter'][$name] = "template_" . $type . "filter_" . $name;
}
break;
}
}
function assign($key, $value = null)
{
if (is_array($key))
{
foreach($key as $var => $val)
if ($var != "")
{
$this->_vars[$var] = $val;
}
}
else
{
if ($key != "")
{
$this->_vars[$key] = $value;
}
}
}
function assign_by_ref($key, $value = null)
{
if ($key != '')
{
$this->_vars[$key] = &$value;
}
}
function assign_config($key, $value = null)
{
if (is_array($key))
{
foreach($key as $var => $val)
{
if ($var != "")
{
$this->_confs[$var] = $val;
}
}
}
else
{
if ($key != "")
{
$this->_confs[$key] = $value;
}
}
}
function append($key, $value=null, $merge=false)
{
if (is_array($key))
{
foreach ($key as $_key => $_value)
{
if ($_key != '')
{
if(!@is_array($this->_vars[$_key]))
{
settype($this->_vars[$_key],'array');
}
if($merge && is_array($_value))
{
foreach($_value as $_mergekey => $_mergevalue)
{
$this->_vars[$_key][$_mergekey] = $_mergevalue;
}
}
else
{
$this->_vars[$_key][] = $_value;
}
}
}
}
else
{
if ($key != '' && isset($value))
{
if(!@is_array($this->_vars[$key]))
{
settype($this->_vars[$key],'array');
}
if($merge && is_array($value))
{
foreach($value as $_mergekey => $_mergevalue)
{
$this->_vars[$key][$_mergekey] = $_mergevalue;
}
}
else
{
$this->_vars[$key][] = $value;
}
}
}
}
function append_by_ref($key, &$value, $merge=false)
{
if ($key != '' && isset($value))
{
if(!@is_array($this->_vars[$key]))
{
settype($this->_vars[$key],'array');
}
if ($merge && is_array($value))
{
foreach($value as $_key => $_val)
{
$this->_vars[$key][$_key] = &$value[$_key];
}
}
else
{
$this->_vars[$key][] = &$value;
}
}
}
function clear_assign($key = null)
{
if ($key == null)
{
$this->_vars = array();
}
else
{
if (is_array($key))
{
foreach($key as $index => $value)
{
if (in_array($value, $this->_vars))
{
unset($this->_vars[$index]);
}
}
}
else
{
if (in_array($key, $this->_vars))
{
unset($this->_vars[$index]);
}
}
}
}
function clear_all_assign()
{
$this->_vars = array();
}
function clear_config($key = null)
{
if ($key == null)
{
$this->_conf = array();
}
else
{
if (is_array($key))
{
foreach($key as $index => $value)
{
if (in_array($value, $this->_conf))
{
unset($this->_conf[$index]);
}
}
}
else
{
if (in_array($key, $this->_conf))
{
unset($this->_conf[$key]);
}
}
}
}
function &get_template_vars($key = null)
{
if ($key == null)
{
return $this->_vars;
}
else
{
if (isset($this->_vars[$key]))
{
return $this->_vars[$key];
}
else
{
return $this->_null;
}
}
}
function &get_config_vars($key = null)
{
if ($key == null)
{
return $this->_confs;
}
else
{
if (isset($this->_confs[$key]))
{
return $this->_confs[$key];
}
else
{
return $this->_null;
}
}
}
function clear_compiled_tpl($file = null)
{
$this->_destroy_dir($file, null, $this->_get_dir($this->compile_dir));
}
function clear_cache($file = null, $cache_id = null, $compile_id = null, $exp_time = null)
{
if (!$this->cache)
{
return;
}
$this->_destroy_dir($file, $cache_id, $this->_get_dir($this->cache_dir));
}
function clear_all_cache($exp_time = null)
{
$this->clear_cache();
}
function is_cached($file, $cache_id = null)
{
if (!$this->force_compile && $this->cache && $this->_is_cached($file, $cache_id))
{
return true;
}
else
{
return false;
}
}
function register_modifier($modifier, $implementation)
{
$this->_plugins['modifier'][$modifier] = $implementation;
}
function unregister_modifier($modifier)
{
unset($this->_plugins['modifier'][$modifier]);
}
function register_function($function, $implementation)
{
$this->_plugins['function'][$function] = $implementation;
}
function unregister_function($function)
{
unset($this->_plugins['function'][$function]);
}
function register_block($function, $implementation)
{
$this->_plugins['block'][$function] = $implementation;
}
function unregister_block($function)
{
unset($this->_plugins['block'][$function]);
}
function register_compiler($function, $implementation)
{
$this->_plugins['compiler'][$function] = $implementation;
}
function unregister_compiler($function)
{
unset($this->_plugins['compiler'][$function]);
}
function register_prefilter($function)
{
$_name = (is_array($function)) ? $function[1] : $function;
$this->_plugins['prefilter'][$_name] = $_name;
}
function unregister_prefilter($function)
{
unset($this->_plugins['prefilter'][$function]);
}
function register_postfilter($function)
{
$_name = (is_array($function)) ? $function[1] : $function;
$this->_plugins['postfilter'][$_name] = $_name;
}
function unregister_postfilter($function)
{
unset($this->_plugins['postfilter'][$function]);
}
function register_outputfilter($function)
{
$_name = (is_array($function)) ? $function[1] : $function;
$this->_plugins['outputfilter'][$_name] = $_name;
}
function unregister_outputfilter($function)
{
unset($this->_plugins['outputfilter'][$function]);
}
function register_resource($type, $functions)
{
if (count($functions) == 4)
{
$this->_plugins['resource'][$type] = $functions;
}
else
{
$this->trigger_error("malformed function-list for '$type' in register_resource");
}
}
function unregister_resource($type)
{
unset($this->_plugins['resource'][$type]);
}
function template_exists($file)
{
if (file_exists($this->_get_dir($this->template_dir).$file))
{
$this->_resource_time = filemtime($this->_get_dir($this->template_dir).$file);
$this->_resource_type = 1;
return true;
}
else
{
if (file_exists($file))
{
$this->_resource_time = filemtime($file);
$this->_resource_type = "file";
return true;
}
return false;
}
}
function _get_resource($file)
{
$_resource_name = explode(':', trim($file));
if (count($_resource_name) == 1 || $_resource_name[0] == "file")
{
if($_resource_name[0] == "file")
{
$file = substr($file, 5);
}
$exists = $this->template_exists($file);
if (!$exists)
{
$this->trigger_error("file '$file' does not exist", E_USER_ERROR);
}
}
else
{
$this->_resource_type = $_resource_name[0];
$file = substr($file, strlen($this->_resource_type) + 1);
$exists = isset($this->_plugins['resource'][$this->_resource_type]) && call_user_func_array($this->_plugins['resource'][$this->_resource_type][1], array($file, &$resource_timestamp, &$this));
if (!$exists)
{
$this->trigger_error("file '$file' does not exist", E_USER_ERROR);
}
$this->_resource_time = $resource_timestamp;
}
return $file;
}
function display($file, $cache_id = null)
{
$this->fetch($file, $cache_id, true);
}
function fetch($file, $cache_id = null, $display = false)
{
$file = $this->_get_resource($file);
if ($this->debugging)
{
$this->_templatelite_debug_info[] = array('type' => 'template',
'filename' => $file,
'depth' => 0,
'exec_time' => array_sum(explode(' ', microtime())) );
$included_tpls_idx = count($this->_templatelite_debug_info) - 1;
}
$this->_cache_id = $cache_id;
$this->template_dir = $this->_get_dir($this->template_dir);
$this->compile_dir = $this->_get_dir($this->compile_dir);
if ($this->cache)
{
$this->_cache_dir = $this->_build_dir($this->cache_dir, $this->_cache_id);
}
$name = ($this->encode_file_name) ? md5((($this->_resource_type == 1) ? $this->template_dir.$file : $this->_resource_type . "_" . $file)).'.php' : str_replace(".", "_", str_replace("/", "_", $this->_resource_type . "_" . $file)).'.php';
$this->_error_level = $this->debugging ? error_reporting() : error_reporting(error_reporting() & ~E_NOTICE);
// $this->_error_level = error_reporting(E_ALL);
if (!$this->force_compile && $this->cache && $this->_is_cached($file, $cache_id))
{
ob_start();
include($this->_cache_dir.$name);
$output = ob_get_contents();
ob_end_clean();
$output = substr($output, strpos($output, "\n") + 1);
}
else
{
$output = $this->_fetch_compile($file, $cache_id);
if ($this->cache)
{
$f = fopen($this->_cache_dir.$name, "w");
fwrite($f, serialize($this->_cache_info) . "\n$output");
fclose($f);
}
}
if (strpos($output, $this->_sl_md5) !== false)
{
preg_match_all('!' . $this->_sl_md5 . '{_run_insert (.*)}' . $this->_sl_md5 . '!U',$output,$_match);
foreach($_match[1] as $value)
{
$arguments = unserialize($value);
$output = str_replace($this->_sl_md5 . '{_run_insert ' . $value . '}' . $this->_sl_md5, call_user_func_array('insert_' . $arguments['name'], array((array)$arguments, $this)), $output);
}
}
foreach ($this->_plugins['outputfilter'] as $function)
{
$output = $function($output, $this);
}
error_reporting($this->_error_level);
if ($this->debugging)
{
$this->_templatelite_debug_info[$included_tpls_idx]['exec_time'] = array_sum(explode(' ', microtime())) - $this->_templatelite_debug_info[$included_tpls_idx]['exec_time'];
}
if ($display)
{
echo $output;
if($this->debugging && !$this->_templatelite_debug_loop)
{
$this->debugging = false;
if(!function_exists("template_generate_debug_output"))
{
require_once(TEMPLATE_LITE_DIR . "internal/template.generate_debug_output.php");
}
$debug_output = template_generate_debug_output($this);
$this->debugging = true;
echo $debug_output;
}
}
else
{
return $output;
}
}
function config_load($file, $section_name = null, $var_name = null)
{
require_once(TEMPLATE_LITE_DIR . "internal/template.config_loader.php");
}
function _is_cached($file, $cache_id)
{
$this->_cache_dir = $this->_get_dir($this->cache_dir, $cache_id);
$this->config_dir = $this->_get_dir($this->config_dir);
$this->template_dir = $this->_get_dir($this->template_dir);
$file = $this->_get_resource($file);
$name = ($this->encode_file_name) ? md5((($this->_resource_type == 1) ? $this->template_dir.$file : $this->_resource_type . "_" . $file)).'.php' : str_replace(".", "_", str_replace("/", "_", $this->_resource_type . "_" . $file)).'.php';
if (file_exists($this->_cache_dir.$name) && (((time() - filemtime($this->_cache_dir.$name)) < $this->cache_lifetime) || $this->cache_lifetime == -1) && (filemtime($this->_cache_dir.$name) > $this->_resource_time))
{
$fh = fopen($this->_cache_dir.$name, "r");
if (!feof($fh) && ($line = fgets($fh, filesize($this->_cache_dir.$name))))
{
$includes = unserialize($line);
if (isset($includes['template']))
{
foreach($includes['template'] as $value)
{
if (!(file_exists($this->template_dir.$value) && (filemtime($this->_cache_dir.$name) > filemtime($this->template_dir.$value))))
{
return false;
}
}
}
if (isset($includes['config']))
{
foreach($includes['config'] as $value)
{
if (!(file_exists($this->config_dir.$value) && (filemtime($this->_cache_dir.$name) > filemtime($this->config_dir.$value))))
{
return false;
}
}
}
}
fclose($fh);
}
else
{
return false;
}
return true;
}
function _fetch_compile_include($_templatelite_include_file, $_templatelite_include_vars)
{
if(!function_exists("template_fetch_compile_include"))
{
require_once(TEMPLATE_LITE_DIR . "internal/template.fetch_compile_include.php");
}
return template_fetch_compile_include($_templatelite_include_file, $_templatelite_include_vars, $this);
}
function _fetch_compile($file)
{
$this->template_dir = $this->_get_dir($this->template_dir);
$name = ($this->encode_file_name) ? md5((($this->_resource_type == 1) ? $this->template_dir.$file : $this->_resource_type . "_" . $file)).'.php' : str_replace(".", "_", str_replace("/", "_", $this->_resource_type . "_" . $file)).'.php';
if ($this->cache)
{
array_push($this->_cache_info['template'], $file);
}
if (!$this->force_compile && file_exists($this->compile_dir.'c_'.$name)
&& (filemtime($this->compile_dir.'c_'.$name) > $this->_resource_time)
&& (filemtime($this->compile_dir.'c_'.$name) > $this->_version_date))
{
ob_start();
include($this->compile_dir.'c_'.$name);
$output = ob_get_contents();
ob_end_clean();
error_reporting($this->_error_level);
return $output;
}
$file_contents = "";
if($this->_resource_type == 1)
{
$f = fopen($this->template_dir . $file, "r");
$size = filesize($this->template_dir . $file);
if ($size > 0)
{
$file_contents = fread($f, $size);
}
}
else
if($this->_resource_type == "file")
{
$f = fopen($file, "r");
$size = filesize($file);
if ($size > 0)
{
$file_contents = fread($f, $size);
}
}
else
{
call_user_func_array($this->_plugins['resource'][$this->_resource_type][0], array($file, &$file_contents, &$this));
}
$this->_file = $file;
fclose($f);
if (!is_object($this->_compile_obj))
{
if (file_exists(TEMPLATE_LITE_DIR . $this->compiler_file)) {
require_once(TEMPLATE_LITE_DIR . $this->compiler_file);
} else {
require_once($this->compiler_file);
}
$this->_compile_obj = new $this->compiler_class;
}
$this->_compile_obj->left_delimiter = $this->left_delimiter;
$this->_compile_obj->right_delimiter = $this->right_delimiter;
$this->_compile_obj->plugins_dir = &$this->plugins_dir;
$this->_compile_obj->template_dir = &$this->template_dir;
$this->_compile_obj->_vars = &$this->_vars;
$this->_compile_obj->_confs = &$this->_confs;
$this->_compile_obj->_plugins = &$this->_plugins;
$this->_compile_obj->_linenum = &$this->_linenum;
$this->_compile_obj->_file = &$this->_file;
$this->_compile_obj->php_extract_vars = &$this->php_extract_vars;
$this->_compile_obj->reserved_template_varname = &$this->reserved_template_varname;
$this->_compile_obj->default_modifiers = $this->default_modifiers;
$output = $this->_compile_obj->_compile_file($file_contents);
$f = fopen($this->compile_dir.'c_'.$name, "w");
fwrite($f, $output);
fclose($f);
ob_start();
eval(' ?>' . $output . '<?php ');
$output = ob_get_contents();
ob_end_clean();
return $output;
}
function _run_modifier()
{
$arguments = func_get_args();
list($variable, $modifier, $php_function, $_map_array) = array_splice($arguments, 0, 4);
array_unshift($arguments, $variable);
if ($_map_array && is_array($variable))
{
foreach($variable as $key => $value)
{
if($php_function == "PHP")
{
$variable[$key] = call_user_func_array($modifier, $arguments);
}
else
{
$variable[$key] = call_user_func_array($this->_plugins["modifier"][$modifier], $arguments);
}
}
}
else
{
if($php_function == "PHP")
{
$variable = call_user_func_array($modifier, $arguments);
}
else
{
$variable = call_user_func_array($this->_plugins["modifier"][$modifier], $arguments);
}
}
return $variable;
}
function _run_insert($arguments)
{
if ($this->cache)
{
return $this->_sl_md5 . '{_run_insert ' . serialize((array)$arguments) . '}' . $this->_sl_md5;
}
else
{
if (!function_exists('insert_' . $arguments['name']))
{
$this->trigger_error("function 'insert_" . $arguments['name'] . "' does not exist in 'insert'", E_USER_ERROR);
}
if (isset($arguments['assign']))
{
$this->assign($arguments['assign'], call_user_func_array('insert_' . $arguments['name'], array((array)$arguments, $this)));
}
else
{
return call_user_func_array('insert_' . $arguments['name'], array((array)$arguments, $this));
}
}
}
function _get_dir($dir, $id = null)
{
if (empty($dir))
{
$dir = '.';
}
if (substr($dir, -1) != DIRECTORY_SEPARATOR)
{
$dir .= DIRECTORY_SEPARATOR;
}
if (!empty($id))
{
$_args = explode('|', $id);
if (count($_args) == 1 && empty($_args[0]))
{
return $dir;
}
foreach($_args as $value)
{
$dir .= $value.DIRECTORY_SEPARATOR;
}
}
return $dir;
}
function _get_plugin_dir($plugin_name)
{
static $_path_array = null;
$plugin_dir_path = "";
$_plugin_dir_list = is_array($this->plugins_dir) ? $this->plugins_dir : (array)$this->plugins_dir;
foreach ($_plugin_dir_list as $_plugin_dir)
{
if (!preg_match("/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/", $_plugin_dir))
{
// path is relative
if (file_exists(dirname(__FILE__) . DIRECTORY_SEPARATOR . $_plugin_dir . DIRECTORY_SEPARATOR . $plugin_name))
{
$plugin_dir_path = dirname(__FILE__) . DIRECTORY_SEPARATOR . $_plugin_dir . DIRECTORY_SEPARATOR;
break;
}
}
else
{
// path is absolute
if(!isset($_path_array))
{
$_ini_include_path = ini_get('include_path');
if(strstr($_ini_include_path,';'))
{
// windows pathnames
$_path_array = explode(';',$_ini_include_path);
}
else
{
$_path_array = explode(':',$_ini_include_path);
}
}
if(!in_array($_plugin_dir,$_path_array))
{
array_unshift($_path_array,$_plugin_dir);
}
foreach ($_path_array as $_include_path)
{
if (file_exists($_include_path . DIRECTORY_SEPARATOR . $plugin_name))
{
$plugin_dir_path = $_include_path . DIRECTORY_SEPARATOR;
break 2;
}
}
}
}
return $plugin_dir_path;
}
// function _parse_resource_link($resource_link)
// {
// $stuffing = "file:/this/is/the/time_5-23.tpl";
// $stuffing_data = explode(":", $stuffing);
// preg_match_all('/(?:([0-9a-z._-]+))/i', $stuffing, $stuff);
// print_r($stuff);
// echo "<br>Path: " . str_replace($stuff[0][count($stuff[0]) - 1], "", $stuffing);
// echo "<br>Filename: " . $stuff[0][count($stuff[0]) - 1];
// }
function _build_dir($dir, $id)
{
if(!function_exists("template_build_dir"))
{
require_once(TEMPLATE_LITE_DIR . "internal/template.build_dir.php");
}
return template_build_dir($dir, $id, $this);
}
function _destroy_dir($file, $id, $dir)
{
if(!function_exists("template_destroy_dir"))
{
require_once(TEMPLATE_LITE_DIR . "internal/template.destroy_dir.php");
}
return template_destroy_dir($file, $id, $dir, $this);
}
function trigger_error($error_msg, $error_type = E_USER_ERROR, $file = null, $line = null)
{
if(isset($file) && isset($line))
{
$info = ' ('.basename($file).", line $line)";
}
else
{
$info = null;
}
trigger_error('TPL: [in ' . $this->_file . ' line ' . $this->_linenum . "]: syntax error: $error_msg$info", $error_type);
}
}
?>