library/HTMLPurifier/AttrDef.php

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<?php

abstract class HTMLPurifier_AttrDef
{
    
    public $minimized = false;
    
    public $required = false;
    
    abstract public function validate($string, $config, $context);
    
    public function parseCDATA($string) {
        $string = trim($string);
        $string = str_replace(array("\n", "\t", "\r"), ' ', $string);
        return $string;
    }
    
    public function make($string) {
        // default implementation, return a flyweight of this object.
        // If $string has an effect on the returned object (i.e. you
        // need to overload this method), it is best
        // to clone or instantiate new copies. (Instantiation is safer.)
        return $this;
    }
    
    protected function mungeRgb($string) {
        return preg_replace('/rgb\((\d+)\s*,\s*(\d+)\s*,\s*(\d+)\)/', 'rgb(\1,\2,\3)', $string);
    }
    
}

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