Location: PHPKode > projects > ZZ/OSS Installer > zic-1.1.0dev1/installer/lib/Config/Container/Apache.php
<?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          |
// | hide@address.com so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Author: Bertrand Mansion <hide@address.com>                      |
// +----------------------------------------------------------------------+
//
// $Id: Apache.php,v 1.9 2003/04/02 11:50:52 mansion Exp $

/**
* Simple config parser for apache httpd.conf files
* A more complex version could handle directives as
* associative arrays.
*
* @author      Bertrand Mansion <hide@address.com>
* @package     Config
*/
class Config_Container_Apache {

    /**
    * This class options
    * Not used at the moment
    *
    * @var  array
    */
    var $options = array();

    /**
    * Constructor
    *
    * @access public
    * @param    string  $options    (optional)Options to be used by renderer
    */
    function Config_Container_Apache($options = array())
    {
        $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 = '';
        $sections[0] =& $obj->container;
        foreach ($lines as $line) {
            $n++;
            if (!preg_match('/^\s*#/', $line) && 
                 preg_match('/^\s*(.*)\s+\\\$/', $line, $match)) {
                // directive on more than one line
                $lastline .= $match[1].' ';
                continue;
            }
            if ($lastline != '') {
                $line = $lastline.trim($line);
                $lastline = '';
            }
            if (preg_match('/^\s*#+\s*(.*?)\s*$/', $line, $match)) {
                // a comment
                $currentSection =& $sections[count($sections)-1];
                $currentSection->createComment($match[1]);
            } elseif (trim($line) == '') {
                // a blank line
                $currentSection =& $sections[count($sections)-1];
                $currentSection->createBlank();
            } elseif (preg_match('/^\s*(\w+)(?:\s+(.*?)|)\s*$/', $line, $match)) {
                // a directive
                $currentSection =& $sections[count($sections)-1];
                $currentSection->createDirective($match[1], $match[2]);
            } elseif (preg_match('/^\s*<(\w+)(?:\s+([^>]*)|\s*)>\s*$/', $line, $match)) {
                // a section opening
                if (!isset($match[2]))
                    $match[2] = '';
                $currentSection =& $sections[count($sections)-1];
                $attributes = explode(' ', $match[2]);
                $sections[] =& $currentSection->createSection($match[1], $attributes);
            } elseif (preg_match('/^\s*<\/(\w+)\s*>\s*$/', $line, $match)) {
                // a section closing
                $currentSection =& $sections[count($sections)-1];
                if ($currentSection->name != $match[1]) {
                    return PEAR::raiseError("Section not closed in '$datasrc' at line $n.", null, PEAR_ERROR_RETURN);
                }
                array_pop($sections);
            } 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)
    {
        static $deep = -1;
        $ident = '';
        if (!$obj->isRoot()) {
            // no indent for root
            $deep++;
            $ident = str_repeat('  ', $deep);
        }
        if (!isset($string)) {
            $string = '';
        }
        switch ($obj->type) {
            case 'blank':
                $string = "\n";
                break;
            case 'comment':
                $string = $ident.'# '.$obj->content."\n";
                break;
            case 'directive':
                $string = $ident.$obj->name.' '.$obj->content."\n";
                break;
            case 'section':
                if (!$obj->isRoot()) {
                    $string = $ident.'<'.$obj->name;
                    if (is_array($obj->attributes) && count($obj->attributes) > 0) {
                        while (list(,$val) = each($obj->attributes)) {
                            $string .= ' '.$val;
                        }
                    }
                    $string .= ">\n";
                }
                if (count($obj->children) > 0) {
                    for ($i = 0; $i < count($obj->children); $i++) {
                        $string .= $this->toString($obj->getChild($i));
                    }
                }
                if (!$obj->isRoot()) {
                    // object is not root
                    $string .= $ident.'</'.$obj->name.">\n";
                }
                break;
            default:
                $string = '';
        }
        if (!$obj->isRoot()) {
            $deep--;
        }
        return $string;
    } // end func toString
} // end class Config_Container_Apache
?>
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