393 lines
13 KiB
PHP
393 lines
13 KiB
PHP
<?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
|
|
*
|
|
* For questions, help, comments, discussion, etc., please join the
|
|
* Smarty mailing list. Send a blank e-mail to
|
|
* smarty-discussion-subscribe@googlegroups.com
|
|
*
|
|
* @link http://www.smarty.net/
|
|
* @version 2.6.25-dev
|
|
* @copyright Copyright: 2001-2005 New Digital Group, Inc.
|
|
* @author Andrei Zmievski <andrei@php.net>
|
|
* @access public
|
|
* @package Smarty
|
|
*/
|
|
|
|
/* $Id: Config_File.class.php 3149 2009-05-23 20:59:25Z monte.ohrt $ */
|
|
|
|
/**
|
|
* 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($line)) continue;
|
|
|
|
if ( substr($line, 0, 1) == '[' && preg_match('!^\[(.*?)\]!', $line, $match) ) {
|
|
/* section found */
|
|
if (substr($match[1], 0, 1) == '.') {
|
|
/* 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, $booleanize)
|
|
{
|
|
if (substr($var_name, 0, 1) == '.') {
|
|
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);
|
|
}
|
|
/**#@-*/
|
|
}
|
|
|
|
?>
|