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-rw-r--r--library/HTMLPurifier/URIFilter.php74
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diff --git a/library/HTMLPurifier/URIFilter.php b/library/HTMLPurifier/URIFilter.php
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--- a/library/HTMLPurifier/URIFilter.php
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-<?php
-
-/**
- * Chainable filters for custom URI processing.
- *
- * These filters can perform custom actions on a URI filter object,
- * including transformation or blacklisting. A filter named Foo
- * must have a corresponding configuration directive %URI.Foo,
- * unless always_load is specified to be true.
- *
- * The following contexts may be available while URIFilters are being
- * processed:
- *
- * - EmbeddedURI: true if URI is an embedded resource that will
- * be loaded automatically on page load
- * - CurrentToken: a reference to the token that is currently
- * being processed
- * - CurrentAttr: the name of the attribute that is currently being
- * processed
- * - CurrentCSSProperty: the name of the CSS property that is
- * currently being processed (if applicable)
- *
- * @warning This filter is called before scheme object validation occurs.
- * Make sure, if you require a specific scheme object, you
- * you check that it exists. This allows filters to convert
- * proprietary URI schemes into regular ones.
- */
-abstract class HTMLPurifier_URIFilter
-{
-
- /**
- * Unique identifier of filter.
- * @type string
- */
- public $name;
-
- /**
- * True if this filter should be run after scheme validation.
- * @type bool
- */
- public $post = false;
-
- /**
- * True if this filter should always be loaded.
- * This permits a filter to be named Foo without the corresponding
- * %URI.Foo directive existing.
- * @type bool
- */
- public $always_load = false;
-
- /**
- * Performs initialization for the filter. If the filter returns
- * false, this means that it shouldn't be considered active.
- * @param HTMLPurifier_Config $config
- * @return bool
- */
- public function prepare($config)
- {
- return true;
- }
-
- /**
- * Filter a URI object
- * @param HTMLPurifier_URI $uri Reference to URI object variable
- * @param HTMLPurifier_Config $config
- * @param HTMLPurifier_Context $context
- * @return bool Whether or not to continue processing: false indicates
- * URL is no good, true indicates continue processing. Note that
- * all changes are committed directly on the URI object
- */
- abstract public function filter(&$uri, $config, $context);
-}
-
-// vim: et sw=4 sts=4