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authorNicolas LÅ“uillet <nicolas@loeuillet.org>2015-01-18 20:07:46 +0100
committerNicolas LÅ“uillet <nicolas@loeuillet.org>2015-01-18 20:07:46 +0100
commitadf17b677edeb2387671f6a0f12123e7497b5938 (patch)
tree8fd87d7bf5699488ffc12afa991011e80ac1011b /inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache.php
parent894cd087f41d605f2f093aaad1300825f705e009 (diff)
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remove 3rd libraries
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache.php')
-rw-r--r--inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache.php129
1 files changed, 0 insertions, 129 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache.php
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1<?php
2
3/**
4 * Abstract class representing Definition cache managers that implements
5 * useful common methods and is a factory.
6 * @todo Create a separate maintenance file advanced users can use to
7 * cache their custom HTMLDefinition, which can be loaded
8 * via a configuration directive
9 * @todo Implement memcached
10 */
11abstract class HTMLPurifier_DefinitionCache
12{
13 /**
14 * @type string
15 */
16 public $type;
17
18 /**
19 * @param string $type Type of definition objects this instance of the
20 * cache will handle.
21 */
22 public function __construct($type)
23 {
24 $this->type = $type;
25 }
26
27 /**
28 * Generates a unique identifier for a particular configuration
29 * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config
30 * @return string
31 */
32 public function generateKey($config)
33 {
34 return $config->version . ',' . // possibly replace with function calls
35 $config->getBatchSerial($this->type) . ',' .
36 $config->get($this->type . '.DefinitionRev');
37 }
38
39 /**
40 * Tests whether or not a key is old with respect to the configuration's
41 * version and revision number.
42 * @param string $key Key to test
43 * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config to test against
44 * @return bool
45 */
46 public function isOld($key, $config)
47 {
48 if (substr_count($key, ',') < 2) {
49 return true;
50 }
51 list($version, $hash, $revision) = explode(',', $key, 3);
52 $compare = version_compare($version, $config->version);
53 // version mismatch, is always old
54 if ($compare != 0) {
55 return true;
56 }
57 // versions match, ids match, check revision number
58 if ($hash == $config->getBatchSerial($this->type) &&
59 $revision < $config->get($this->type . '.DefinitionRev')) {
60 return true;
61 }
62 return false;
63 }
64
65 /**
66 * Checks if a definition's type jives with the cache's type
67 * @note Throws an error on failure
68 * @param HTMLPurifier_Definition $def Definition object to check
69 * @return bool true if good, false if not
70 */
71 public function checkDefType($def)
72 {
73 if ($def->type !== $this->type) {
74 trigger_error("Cannot use definition of type {$def->type} in cache for {$this->type}");
75 return false;
76 }
77 return true;
78 }
79
80 /**
81 * Adds a definition object to the cache
82 * @param HTMLPurifier_Definition $def
83 * @param HTMLPurifier_Config $config
84 */
85 abstract public function add($def, $config);
86
87 /**
88 * Unconditionally saves a definition object to the cache
89 * @param HTMLPurifier_Definition $def
90 * @param HTMLPurifier_Config $config
91 */
92 abstract public function set($def, $config);
93
94 /**
95 * Replace an object in the cache
96 * @param HTMLPurifier_Definition $def
97 * @param HTMLPurifier_Config $config
98 */
99 abstract public function replace($def, $config);
100
101 /**
102 * Retrieves a definition object from the cache
103 * @param HTMLPurifier_Config $config
104 */
105 abstract public function get($config);
106
107 /**
108 * Removes a definition object to the cache
109 * @param HTMLPurifier_Config $config
110 */
111 abstract public function remove($config);
112
113 /**
114 * Clears all objects from cache
115 * @param HTMLPurifier_Config $config
116 */
117 abstract public function flush($config);
118
119 /**
120 * Clears all expired (older version or revision) objects from cache
121 * @note Be carefuly implementing this method as flush. Flush must
122 * not interfere with other Definition types, and cleanup()
123 * should not be repeatedly called by userland code.
124 * @param HTMLPurifier_Config $config
125 */
126 abstract public function cleanup($config);
127}
128
129// vim: et sw=4 sts=4