79      * @param HTMLPurifier_StringHash $hash source data
82     public function build($interchange, $hash)  argument
84         if (!$hash instanceof HTMLPurifier_StringHash) {
85             $hash = new HTMLPurifier_StringHash($hash);
87         if (!isset($hash['ID'])) {
90         if (strpos($hash['ID'], '.') === false) {
91             if (count($hash) == 2 && isset($hash['DESCRIPTION'])) {
92                 $hash->offsetGet('DESCRIPTION'); // prevent complaining
97             $this->buildDirective($interchange, $hash);
99         $this->_findUnused($hash);
104      * @param HTMLPurifier_StringHash $hash
107     public function buildDirective($interchange, $hash)  argument
112         $directive->id = $this->id($hash->offsetGet('ID'));
115         if (isset($hash['TYPE'])) {
116             $type = explode('/', $hash->offsetGet('TYPE'));
125         if (isset($hash['DEFAULT'])) {
128                     $hash->offsetGet('DEFAULT'),
137         if (isset($hash['DESCRIPTION'])) {
138             $directive->description = $hash->offsetGet('DESCRIPTION');
141         if (isset($hash['ALLOWED'])) {
142             $directive->allowed = $this->lookup($this->evalArray($hash->offsetGet('ALLOWED')));
145         if (isset($hash['VALUE-ALIASES'])) {
146             $directive->valueAliases = $this->evalArray($hash->offsetGet('VALUE-ALIASES'));
149         if (isset($hash['ALIASES'])) {
150             $raw_aliases = trim($hash->offsetGet('ALIASES'));
157         if (isset($hash['VERSION'])) {
158             $directive->version = $hash->offsetGet('VERSION');
161         if (isset($hash['DEPRECATED-USE'])) {
162             $directive->deprecatedUse = $this->id($hash->offsetGet('DEPRECATED-USE'));
165         if (isset($hash['DEPRECATED-VERSION'])) {
166             $directive->deprecatedVersion = $hash->offsetGet('DEPRECATED-VERSION');
169         if (isset($hash['EXTERNAL'])) {
170             $directive->external = preg_split('/\s*,\s*/', trim($hash->offsetGet('EXTERNAL')));
213      * @param HTMLPurifier_StringHash $hash Hash to check.
215     protected function _findUnused($hash)  argument
217         $accessed = $hash->getAccessed();
218         foreach ($hash as $k => $v) {