Subversion-Projekte lars-tiefland.php_share

<?php

/* vim: set expandtab tabstop=4 shiftwidth=4: */

/**

 * Contains the Calendar_Util_Uri class

 *

 * PHP versions 4 and 5

 *

 * LICENSE: Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * @category  Date and Time

 * @package   Calendar

 * @author    Harry Fuecks <hfuecks@phppatterns.com>

 * @author    Lorenzo Alberton <l.alberton@quipo.it>

 * @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton

 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)

 * @version   CVS: $Id: Uri.php 300729 2010-06-24 12:05:53Z quipo $

 * @link      http://pear.php.net/package/Calendar

 */

/**

 * 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&month=10

 * echo $Uri->prev($Day,'day'); // Displays year=2003&month=10&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>

 *

 * @category  Date and Time

 * @package   Calendar

 * @author    Harry Fuecks <hfuecks@phppatterns.com>

 * @author    Lorenzo Alberton <l.alberton@quipo.it>

 * @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton

 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)

 * @link      http://pear.php.net/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 &)

     * @access public

     */

    var $separator = '&';

    /**

     * 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 $y URI fragment for year

     * @param string $m (optional) URI fragment for month

     * @param string $d (optional) URI fragment for day

     * @param string $h (optional) URI fragment for hour

     * @param string $i (optional) URI fragment for minute

     * @param string $s (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 $y URI fragment for year

     * @param string $m (optional) URI fragment for month

     * @param string $d (optional) URI fragment for day

     * @param string $h (optional) URI fragment for hour

     * @param string $i (optional) URI fragment for minute

     * @param string $s (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 $Calendar subclassed from Calendar e.g. Calendar_Month

     * @param string $unit     calendar  unit (year|month|week|day|hour|minute|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 $Calendar subclassed from Calendar e.g. Calendar_Month

     * @param string $unit     calendar  unit (year|month|week|day|hour|minute|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 $Calendar subclassed from Calendar e.g. Calendar_Month

     * @param string $unit     calendar unit (year|month|week|day|hour|minute|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 object $Calendar subclassed from Calendar e.g. Calendar_Month

     * @param string $method   method substring

     * @param int    $stamp    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;

    }

}

?>