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khanat-opennel-code/code/web/public_php/admin/smarty/Config_File.class.php

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<?php
/**
* Config_File class.
*
* 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
*
* @link http://smarty.php.net/
* @version 2.6.9
* @copyright Copyright: 2001-2005 New Digital Group, Inc.
* @author Andrei Zmievski <andrei@php.net>
* @access public
* @package Smarty
*/
/* $Id: Config_File.class.php,v 1.1 2006/05/29 16:38:21 powles Exp $ */
/**
* Config file reading class
* @package Smarty
*/
class Config_File {
/**#@+
* Options
* @var boolean
*/
/**
* Controls whether variables with the same name overwrite each other.
*/
var $overwrite = true;
/**
* Controls whether config values of on/true/yes and off/false/no get
* converted to boolean values automatically.
*/
var $booleanize = true;
/**
* Controls whether hidden config sections/vars are read from the file.
*/
var $read_hidden = true;
/**
* Controls whether or not to fix mac or dos formatted newlines.
* If set to true, \r or \r\n will be changed to \n.
*/
var $fix_newlines = true;
/**#@-*/
/** @access private */
var $_config_path = "";
var $_config_data = array();
/**#@-*/
/**
* Constructs a new config file class.
*
* @param string $config_path (optional) path to the config files
*/
function Config_File($config_path = NULL)
{
if (isset($config_path))
$this->set_path($config_path);
}
/**
* Set the path where configuration files can be found.
*
* @param string $config_path path to the config files
*/
function set_path($config_path)
{
if (!empty($config_path)) {
if (!is_string($config_path) || !file_exists($config_path) || !is_dir($config_path)) {
$this->_trigger_error_msg("Bad config file path '$config_path'");
return;
}
if(substr($config_path, -1) != DIRECTORY_SEPARATOR) {
$config_path .= DIRECTORY_SEPARATOR;
}
$this->_config_path = $config_path;
}
}
/**
* Retrieves config info based on the file, section, and variable name.
*
* @param string $file_name config file to get info for
* @param string $section_name (optional) section to get info for
* @param string $var_name (optional) variable to get info for
* @return string|array a value or array of values
*/
function &get($file_name, $section_name = NULL, $var_name = NULL)
{
if (empty($file_name)) {
$this->_trigger_error_msg('Empty config file name');
return;
} else {
$file_name = $this->_config_path . $file_name;
if (!isset($this->_config_data[$file_name]))
$this->load_file($file_name, false);
}
if (!empty($var_name)) {
if (empty($section_name)) {
return $this->_config_data[$file_name]["vars"][$var_name];
} else {
if(isset($this->_config_data[$file_name]["sections"][$section_name]["vars"][$var_name]))
return $this->_config_data[$file_name]["sections"][$section_name]["vars"][$var_name];
else
return array();
}
} else {
if (empty($section_name)) {
return (array)$this->_config_data[$file_name]["vars"];
} else {
if(isset($this->_config_data[$file_name]["sections"][$section_name]["vars"]))
return (array)$this->_config_data[$file_name]["sections"][$section_name]["vars"];
else
return array();
}
}
}
/**
* Retrieves config info based on the key.
*
* @param $file_name string config key (filename/section/var)
* @return string|array same as get()
* @uses get() retrieves information from config file and returns it
*/
function &get_key($config_key)
{
list($file_name, $section_name, $var_name) = explode('/', $config_key, 3);
$result = &$this->get($file_name, $section_name, $var_name);
return $result;
}
/**
* Get all loaded config file names.
*
* @return array an array of loaded config file names
*/
function get_file_names()
{
return array_keys($this->_config_data);
}
/**
* Get all section names from a loaded file.
*
* @param string $file_name config file to get section names from
* @return array an array of section names from the specified file
*/
function get_section_names($file_name)
{
$file_name = $this->_config_path . $file_name;
if (!isset($this->_config_data[$file_name])) {
$this->_trigger_error_msg("Unknown config file '$file_name'");
return;
}
return array_keys($this->_config_data[$file_name]["sections"]);
}
/**
* Get all global or section variable names.
*
* @param string $file_name config file to get info for
* @param string $section_name (optional) section to get info for
* @return array an array of variables names from the specified file/section
*/
function get_var_names($file_name, $section = NULL)
{
if (empty($file_name)) {
$this->_trigger_error_msg('Empty config file name');
return;
} else if (!isset($this->_config_data[$file_name])) {
$this->_trigger_error_msg("Unknown config file '$file_name'");
return;
}
if (empty($section))
return array_keys($this->_config_data[$file_name]["vars"]);
else
return array_keys($this->_config_data[$file_name]["sections"][$section]["vars"]);
}
/**
* Clear loaded config data for a certain file or all files.
*
* @param string $file_name file to clear config data for
*/
function clear($file_name = NULL)
{
if ($file_name === NULL)
$this->_config_data = array();
else if (isset($this->_config_data[$file_name]))
$this->_config_data[$file_name] = array();
}
/**
* Load a configuration file manually.
*
* @param string $file_name file name to load
* @param boolean $prepend_path whether current config path should be
* prepended to the filename
*/
function load_file($file_name, $prepend_path = true)
{
if ($prepend_path && $this->_config_path != "")
$config_file = $this->_config_path . $file_name;
else
$config_file = $file_name;
ini_set('track_errors', true);
$fp = @fopen($config_file, "r");
if (!is_resource($fp)) {
$this->_trigger_error_msg("Could not open config file '$config_file'");
return false;
}
$contents = ($size = filesize($config_file)) ? fread($fp, $size) : '';
fclose($fp);
$this->_config_data[$config_file] = $this->parse_contents($contents);
return true;
}
/**
* Store the contents of a file manually.
*
* @param string $config_file file name of the related contents
* @param string $contents the file-contents to parse
*/
function set_file_contents($config_file, $contents)
{
$this->_config_data[$config_file] = $this->parse_contents($contents);
return true;
}
/**
* parse the source of a configuration file manually.
*
* @param string $contents the file-contents to parse
*/
function parse_contents($contents)
{
if($this->fix_newlines) {
// fix mac/dos formatted newlines
$contents = preg_replace('!\r\n?!', "\n", $contents);
}
$config_data = array();
$config_data['sections'] = array();
$config_data['vars'] = array();
/* reference to fill with data */
$vars =& $config_data['vars'];
/* parse file line by line */
preg_match_all('!^.*\r?\n?!m', $contents, $match);
$lines = $match[0];
for ($i=0, $count=count($lines); $i<$count; $i++) {
$line = $lines[$i];
if (empty($line)) continue;
if ( $line{0} == '[' && preg_match('!^\[(.*?)\]!', $line, $match) ) {
/* section found */
if ($match[1]{0} == '.') {
/* hidden section */
if ($this->read_hidden) {
$section_name = substr($match[1], 1);
} else {
/* break reference to $vars to ignore hidden section */
unset($vars);
$vars = array();
continue;
}
} else {
$section_name = $match[1];
}
if (!isset($config_data['sections'][$section_name]))
$config_data['sections'][$section_name] = array('vars' => array());
$vars =& $config_data['sections'][$section_name]['vars'];
continue;
}
if (preg_match('/^\s*(\.?\w+)\s*=\s*(.*)/s', $line, $match)) {
/* variable found */
$var_name = rtrim($match[1]);
if (strpos($match[2], '"""') === 0) {
/* handle multiline-value */
$lines[$i] = substr($match[2], 3);
$var_value = '';
while ($i<$count) {
if (($pos = strpos($lines[$i], '"""')) === false) {
$var_value .= $lines[$i++];
} else {
/* end of multiline-value */
$var_value .= substr($lines[$i], 0, $pos);
break;
}
}
$booleanize = false;
} else {
/* handle simple value */
$var_value = preg_replace('/^([\'"])(.*)\1$/', '\2', rtrim($match[2]));
$booleanize = $this->booleanize;
}
$this->_set_config_var($vars, $var_name, $var_value, $booleanize);
}
/* else unparsable line / means it is a comment / means ignore it */
}
return $config_data;
}
/**#@+ @access private */
/**
* @param array &$container
* @param string $var_name
* @param mixed $var_value
* @param boolean $booleanize determines whether $var_value is converted to
* to true/false
*/
function _set_config_var(&$container, $var_name, $var_value, $booleanize)
{
if ($var_name{0} == '.') {
if (!$this->read_hidden)
return;
else
$var_name = substr($var_name, 1);
}
if (!preg_match("/^[a-zA-Z_]\w*$/", $var_name)) {
$this->_trigger_error_msg("Bad variable name '$var_name'");
return;
}
if ($booleanize) {
if (preg_match("/^(on|true|yes)$/i", $var_value))
$var_value = true;
else if (preg_match("/^(off|false|no)$/i", $var_value))
$var_value = false;
}
if (!isset($container[$var_name]) || $this->overwrite)
$container[$var_name] = $var_value;
else {
settype($container[$var_name], 'array');
$container[$var_name][] = $var_value;
}
}
/**
* @uses trigger_error() creates a PHP warning/error
* @param string $error_msg
* @param integer $error_type one of
*/
function _trigger_error_msg($error_msg, $error_type = E_USER_WARNING)
{
trigger_error("Config_File error: $error_msg", $error_type);
}
/**#@-*/
}
?>
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