GenericConf.php
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<?php
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Author: Bertrand Mansion <bmansion@mamasam.com> |
// +----------------------------------------------------------------------+
//
// $Id$
/**
* Config parser for generic .conf files like
* htdig.conf...
*
* @author Bertrand Mansion <bmansion@mamasam.com>
* @package Config
*/
class Config_Container_GenericConf {
/**
* This class options:
* Ex: $options['comment'] = '#';
* Ex: $options['equals'] = ':';
* Ex: $options['newline'] = '\\';
*
* @var array
*/
var $options = array();
/**
* Constructor
*
* @access public
* @param string $options (optional)Options to be used by renderer
*/
function Config_Container_GenericConf($options = array())
{
if (empty($options['comment'])) {
$options['comment'] = '#';
}
if (empty($options['equals'])) {
$options['equals'] = ':';
}
if (empty($options['newline'])) {
$options['newline'] = '\\';
}
$this->options = $options;
} // end constructor
/**
* Parses the data of the given configuration file
*
* @access public
* @param string $datasrc path to the configuration file
* @param object $obj reference to a config object
* @return mixed returns a PEAR_ERROR, if error occurs or true if ok
*/
function &parseDatasrc($datasrc, &$obj)
{
if (!is_readable($datasrc)) {
return PEAR::raiseError("Datasource file cannot be read.", null, PEAR_ERROR_RETURN);
}
$lines = file($datasrc);
$n = 0;
$lastline = '';
$currentSection =& $obj->container;
foreach ($lines as $line) {
$n++;
if (!preg_match('/^\s*'.$this->options['comment'].'/', $line) &&
preg_match('/^\s*(.*)\s+'.$this->options['newline'].'\s*$/', $line, $match)) {
// directive on more than one line
$lastline .= $match[1].' ';
continue;
}
if ($lastline != '') {
$line = $lastline.trim($line);
$lastline = '';
}
if (preg_match('/^\s*'.$this->options['comment'].'+\s*(.*?)\s*$/', $line, $match)) {
// a comment
$currentSection->createComment($match[1]);
} elseif (preg_match('/^\s*$/', $line)) {
// a blank line
$currentSection->createBlank();
} elseif (preg_match('/^\s*(\w+)'.$this->options['equals'].'\s*((.*?)|)\s*$/', $line, $match)) {
// a directive
$currentSection->createDirective($match[1], $match[2]);
} else {
return PEAR::raiseError("Syntax error in '$datasrc' at line $n.", null, PEAR_ERROR_RETURN);
}
}
return true;
} // end func parseDatasrc
/**
* Returns a formatted string of the object
* @param object $obj Container object to be output as string
* @access public
* @return string
*/
function toString(&$obj)
{
$string = '';
switch ($obj->type) {
case 'blank':
$string = "\n";
break;
case 'comment':
$string = $this->options['comment'].$obj->content."\n";
break;
case 'directive':
$string = $obj->name.$this->options['equals'].$obj->content."\n";
break;
case 'section':
// How to deal with sections ???
if (count($obj->children) > 0) {
for ($i = 0; $i < count($obj->children); $i++) {
$string .= $this->toString($obj->getChild($i));
}
}
break;
default:
$string = '';
}
return $string;
} // end func toString
} // end class Config_Container_GenericConf
?>