diff options
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/AttrTransform.php')
| -rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/AttrTransform.php | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrTransform.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrTransform.php new file mode 100644 index 00000000..d9baaf39 --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrTransform.php | |||
| @@ -0,0 +1,60 @@ | |||
| 1 | <?php | ||
| 2 | |||
| 3 | /** | ||
| 4 | * Processes an entire attribute array for corrections needing multiple values. | ||
| 5 | * | ||
| 6 | * Occasionally, a certain attribute will need to be removed and popped onto | ||
| 7 | * another value. Instead of creating a complex return syntax for | ||
| 8 | * HTMLPurifier_AttrDef, we just pass the whole attribute array to a | ||
| 9 | * specialized object and have that do the special work. That is the | ||
| 10 | * family of HTMLPurifier_AttrTransform. | ||
| 11 | * | ||
| 12 | * An attribute transformation can be assigned to run before or after | ||
| 13 | * HTMLPurifier_AttrDef validation. See HTMLPurifier_HTMLDefinition for | ||
| 14 | * more details. | ||
| 15 | */ | ||
| 16 | |||
| 17 | abstract class HTMLPurifier_AttrTransform | ||
| 18 | { | ||
| 19 | |||
| 20 | /** | ||
| 21 | * Abstract: makes changes to the attributes dependent on multiple values. | ||
| 22 | * | ||
| 23 | * @param array $attr Assoc array of attributes, usually from | ||
| 24 | * HTMLPurifier_Token_Tag::$attr | ||
| 25 | * @param HTMLPurifier_Config $config Mandatory HTMLPurifier_Config object. | ||
| 26 | * @param HTMLPurifier_Context $context Mandatory HTMLPurifier_Context object | ||
| 27 | * @return array Processed attribute array. | ||
| 28 | */ | ||
| 29 | abstract public function transform($attr, $config, $context); | ||
| 30 | |||
| 31 | /** | ||
| 32 | * Prepends CSS properties to the style attribute, creating the | ||
| 33 | * attribute if it doesn't exist. | ||
| 34 | * @param array &$attr Attribute array to process (passed by reference) | ||
| 35 | * @param string $css CSS to prepend | ||
| 36 | */ | ||
| 37 | public function prependCSS(&$attr, $css) | ||
| 38 | { | ||
| 39 | $attr['style'] = isset($attr['style']) ? $attr['style'] : ''; | ||
| 40 | $attr['style'] = $css . $attr['style']; | ||
| 41 | } | ||
| 42 | |||
| 43 | /** | ||
| 44 | * Retrieves and removes an attribute | ||
| 45 | * @param array &$attr Attribute array to process (passed by reference) | ||
| 46 | * @param mixed $key Key of attribute to confiscate | ||
| 47 | * @return mixed | ||
| 48 | */ | ||
| 49 | public function confiscateAttr(&$attr, $key) | ||
| 50 | { | ||
| 51 | if (!isset($attr[$key])) { | ||
| 52 | return null; | ||
| 53 | } | ||
| 54 | $value = $attr[$key]; | ||
| 55 | unset($attr[$key]); | ||
| 56 | return $value; | ||
| 57 | } | ||
| 58 | } | ||
| 59 | |||
| 60 | // vim: et sw=4 sts=4 | ||