<?php

class AtomTestHelper {
    
    var $base = '';
    var $user = '';
    var $password = '';

    function AtomTestHelper() {
        $this->base = $_SERVER['argc'] >= 2 ? $_SERVER['argv'][1] : 'http://localhost/wordpress/app.php';
        $this->user = $_SERVER['argc'] >= 3 ? $_SERVER['argv'][2] : 'demo';
        $this->password = $_SERVER['argc'] >= 3 ? $_SERVER['argv'][3] : 'demo';
    }

    // credentials

    function get_user() {
        return $this->user;
    }

    function get_password() {
        return $this->password;
    }

    // urls

    function get_base_url() {
        return $this->base;
    }

    function get_service_url() {
        return $this->base . "/service"; 
    }

    function get_posts_url() {
        return $this->base . "/posts"; 
    }

    function get_categories_url() {
        return $this->base . "/categories"; 
    }

    function get_attachments_url() {
        return $this->base . "/attachments"; 
    }

    // content-types

    function get_atom_content_type() {
        return 'application/atom+xml';
    }

    function get_atom_entry_content_type() {
        return 'application/atom+xml;type=entry';
    }

    function get_atom_feed_content_type() {
        return 'application/atom+xml;type=feed';
    }

    function get_atom_service_content_type() {
        return 'application/atomsvc+xml';
    }

    function get_atom_categories_content_type() {
        return 'application/atomcat+xml';
    }

    // http utilities

    function get_header($headers, $header) {
       $lines = split("\r\n", $headers);
        foreach ($lines as $line) {
            $components = split(':', $line, 2);
            if($components[0] == $header)
                return $components[1];
        }

    }

}

// date

function rfc3339_str2time($str) {
    
    $match = false;
    if(!preg_match("/(\d{4}-\d{2}-\d{2})T(\d{2}\:\d{2}\:\d{2})\.?\d{0,3}(Z|[+-]+\d{2}\:\d{2})/", $str, $match))
        return false;

    if($match[3] == 'Z')
        $match[3] == '+0000';

    return strtotime($match[1] . " " . $match[2] . " " . $match[3]);
}

// I18N

function asciiToUtf8 ($str) {
  $str = fixCharacters ($str);
  $str = preg_replace_callback ('/&#([0-9]+);/',create_function ('$s','return code2utf($s[1]);'),$str);
  $str = preg_replace_callback ('/&#x([a-f0-9]+);/i',create_function ('$s','return code2utf(hexdec($s[1]));'),$str);
  return $str;
}

function fixCharacters ($str) {
  $r = array ('&#128;' =>'&#8364;','&#129;' =>'','&#130;' =>'&#8218;','&#131;' =>'&#402;',
	      '&#132;' =>'&#8222;','&#133;' =>'&#8230;','&#134;' =>'&#8224;','&#135;' =>'&#8225;',
	      '&#136;' =>'&#710;','&#137;' =>'&#8240;','&#138;' =>'&#352;','&#139;' =>'&#8249;',
	      '&#140;' =>'&#338;','&#141;' =>'','&#142;' =>'&#381;',	'&#143;' =>'','&#144;' =>'',
	      '&#145;' =>'&#8216;','&#146;' =>'&#8217;','&#147;' =>'&#8220;','&#148;' =>'&#8221;',
	      '&#149;' =>'&#8226;','&#150;' =>'&#8211;','&#151;' =>'&#8212;','&#152;' =>'&#732;',
	      '&#153;' =>'&#8482;','&#154;' =>'&#353;','&#155;' =>'&#8250;','&#156;' =>'&#339;',
	      '&#157;' =>'','&#158;' =>'&#382;', '&#159;' =>'&#376;');
  return strtr ($str, $r);
}

// From php.net:
function code2utf ($num)
{
  if ($num < 128) { return chr ($num); }
  if ($num < 2048) { return chr (($num >> 6) + 192).chr (($num & 63) + 128); }
  if ($num < 65536) { return chr (($num >> 12) + 224).chr ((($num >> 6) & 63) + 128).chr (($num & 63) + 128); }
  if ($num < 2097152) { return chr (($num >> 18) + 240).chr ((($num >> 12) & 63) +  128).chr ((($num >> 6) & 63) + 128).chr (($num & 63) + 128); }
  return '';
}

?>