1: <?php
  2: /**
  3:  * SimplePie
  4:  *
  5:  * A PHP-Based RSS and Atom Feed Framework.
  6:  * Takes the hard work out of managing a complete RSS/Atom solution.
  7:  *
  8:  * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  9:  * All rights reserved.
 10:  *
 11:  * Redistribution and use in source and binary forms, with or without modification, are
 12:  * permitted provided that the following conditions are met:
 13:  *
 14:  *  * Redistributions of source code must retain the above copyright notice, this list of
 15:  *    conditions and the following disclaimer.
 16:  *
 17:  *  * Redistributions in binary form must reproduce the above copyright notice, this list
 18:  *    of conditions and the following disclaimer in the documentation and/or other materials
 19:  *    provided with the distribution.
 20:  *
 21:  *  * Neither the name of the SimplePie Team nor the names of its contributors may be used
 22:  *    to endorse or promote products derived from this software without specific prior
 23:  *    written permission.
 24:  *
 25:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 26:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 27:  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 28:  * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 29:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 30:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 31:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 32:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 33:  * POSSIBILITY OF SUCH DAMAGE.
 34:  *
 35:  * @package SimplePie
 36:  * @version 1.3
 37:  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 38:  * @author Ryan Parman
 39:  * @author Geoffrey Sneddon
 40:  * @author Ryan McCue
 41:  * @link http://simplepie.org/ SimplePie
 42:  * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 43:  */
 44: 
 45: /**
 46:  * Handles `<media:restriction>` as defined in Media RSS
 47:  *
 48:  * Used by {@see SimplePie_Enclosure::get_restriction()} and {@see SimplePie_Enclosure::get_restrictions()}
 49:  *
 50:  * This class can be overloaded with {@see SimplePie::set_restriction_class()}
 51:  *
 52:  * @package SimplePie
 53:  * @subpackage API
 54:  */
 55: class SimplePie_Restriction
 56: {
 57:     /**
 58:      * Relationship ('allow'/'deny')
 59:      *
 60:      * @var string
 61:      * @see get_relationship()
 62:      */
 63:     var $relationship;
 64: 
 65:     /**
 66:      * Type of restriction
 67:      *
 68:      * @var string
 69:      * @see get_type()
 70:      */
 71:     var $type;
 72: 
 73:     /**
 74:      * Restricted values
 75:      *
 76:      * @var string
 77:      * @see get_value()
 78:      */
 79:     var $value;
 80: 
 81:     /**
 82:      * Constructor, used to input the data
 83:      *
 84:      * For documentation on all the parameters, see the corresponding
 85:      * properties and their accessors
 86:      */
 87:     public function __construct($relationship = null, $type = null, $value = null)
 88:     {
 89:         $this->relationship = $relationship;
 90:         $this->type = $type;
 91:         $this->value = $value;
 92:     }
 93: 
 94:     /**
 95:      * String-ified version
 96:      *
 97:      * @return string
 98:      */
 99:     public function __toString()
100:     {
101:         // There is no $this->data here
102:         return md5(serialize($this));
103:     }
104: 
105:     /**
106:      * Get the relationship
107:      *
108:      * @return string|null Either 'allow' or 'deny'
109:      */
110:     public function get_relationship()
111:     {
112:         if ($this->relationship !== null)
113:         {
114:             return $this->relationship;
115:         }
116:         else
117:         {
118:             return null;
119:         }
120:     }
121: 
122:     /**
123:      * Get the type
124:      *
125:      * @return string|null
126:      */
127:     public function get_type()
128:     {
129:         if ($this->type !== null)
130:         {
131:             return $this->type;
132:         }
133:         else
134:         {
135:             return null;
136:         }
137:     }
138: 
139:     /**
140:      * Get the list of restricted things
141:      *
142:      * @return string|null
143:      */
144:     public function get_value()
145:     {
146:         if ($this->value !== null)
147:         {
148:             return $this->value;
149:         }
150:         else
151:         {
152:             return null;
153:         }
154:     }
155: }
156: