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/tags/v1.0-Homere/bibliotheque/pear/Calendar/Util/Uri.php
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
//
// +----------------------------------------------------------------------+
// | PHP |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2002 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 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/3_0.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. |
// +----------------------------------------------------------------------+
// | Authors: Harry Fuecks <hfuecks@phppatterns.com> |
// | Lorenzo Alberton <l dot alberton at quipo dot it> |
// +----------------------------------------------------------------------+
//
// $Id: Uri.php,v 1.1 2004/08/16 09:03:55 hfuecks Exp $
//
/**
* @package Calendar
* @version $Id: Uri.php,v 1.1 2004/08/16 09:03:55 hfuecks Exp $
*/
 
/**
* Utility to help building HTML links for navigating the calendar<br />
* <code>
* $Day = new Calendar_Day(2003, 10, 23);
* $Uri = & new Calendar_Util_Uri('year', 'month', 'day');
* echo $Uri->prev($Day,'month'); // Displays year=2003&amp;month=10
* echo $Uri->prev($Day,'day'); // Displays year=2003&amp;month=10&amp;day=22
* $Uri->seperator = '/';
* $Uri->scalar = true;
* echo $Uri->prev($Day,'month'); // Displays 2003/10
* echo $Uri->prev($Day,'day'); // Displays 2003/10/22
* </code>
* @package Calendar
* @access public
*/
class Calendar_Util_Uri
{
/**
* Uri fragments for year, month, day etc.
* @var array
* @access private
*/
var $uris = array();
 
/**
* String to separate fragments with.
* Set to just & for HTML.
* For a scalar URL you might use / as the seperator
* @var string (default XHTML &amp;)
* @access public
*/
var $separator = '&amp;';
 
/**
* To output a "scalar" string - variable names omitted.
* Used for urls like index.php/2004/8/12
* @var boolean (default false)
* @access public
*/
var $scalar = false;
 
/**
* Constructs Calendar_Decorator_Uri
* The term "fragment" means <i>name</i> of a calendar GET variables in the URL
* @param string URI fragment for year
* @param string (optional) URI fragment for month
* @param string (optional) URI fragment for day
* @param string (optional) URI fragment for hour
* @param string (optional) URI fragment for minute
* @param string (optional) URI fragment for second
* @access public
*/
function Calendar_Util_Uri($y, $m=null, $d=null, $h=null, $i=null, $s=null)
{
$this->setFragments($y, $m, $d, $h, $i, $s);
}
 
/**
* Sets the URI fragment names
* @param string URI fragment for year
* @param string (optional) URI fragment for month
* @param string (optional) URI fragment for day
* @param string (optional) URI fragment for hour
* @param string (optional) URI fragment for minute
* @param string (optional) URI fragment for second
* @return void
* @access public
*/
function setFragments($y, $m=null, $d=null, $h=null, $i=null, $s=null) {
if (!is_null($y)) $this->uris['Year'] = $y;
if (!is_null($m)) $this->uris['Month'] = $m;
if (!is_null($d)) $this->uris['Day'] = $d;
if (!is_null($h)) $this->uris['Hour'] = $h;
if (!is_null($i)) $this->uris['Minute'] = $i;
if (!is_null($s)) $this->uris['Second'] = $s;
}
 
/**
* Gets the URI string for the previous calendar unit
* @param object subclassed from Calendar e.g. Calendar_Month
* @param string calendar unit ( must be year, month, week, day, hour, minute or second)
* @return string
* @access public
*/
function prev($Calendar, $unit)
{
$method = 'prev'.$unit;
$stamp = $Calendar->{$method}('timestamp');
return $this->buildUriString($Calendar, $method, $stamp);
}
 
/**
* Gets the URI string for the current calendar unit
* @param object subclassed from Calendar e.g. Calendar_Month
* @param string calendar unit ( must be year, month, week, day, hour, minute or second)
* @return string
* @access public
*/
function this($Calendar, $unit)
{
$method = 'this'.$unit;
$stamp = $Calendar->{$method}('timestamp');
return $this->buildUriString($Calendar, $method, $stamp);
}
 
/**
* Gets the URI string for the next calendar unit
* @param object subclassed from Calendar e.g. Calendar_Month
* @param string calendar unit ( must be year, month, week, day, hour, minute or second)
* @return string
* @access public
*/
function next($Calendar, $unit)
{
$method = 'next'.$unit;
$stamp = $Calendar->{$method}('timestamp');
return $this->buildUriString($Calendar, $method, $stamp);
}
 
/**
* Build the URI string
* @param string method substring
* @param int timestamp
* @return string build uri string
* @access private
*/
function buildUriString($Calendar, $method, $stamp)
{
$uriString = '';
$cE = & $Calendar->getEngine();
$separator = '';
foreach ($this->uris as $unit => $uri) {
$call = 'stampTo'.$unit;
$uriString .= $separator;
if (!$this->scalar) $uriString .= $uri.'=';
$uriString .= $cE->{$call}($stamp);
$separator = $this->separator;
}
return $uriString;
}
}
?>