The Annoyance Filter.pdf - Fourmilab

104 FLASH TEXT EXTRACTOR ANNOYANCE-FILTER §124
124. Some of the DoAction tags contain string we might be interested in perusing. Walk through
the action items in a DoAction tag and push any relevant strings onto the strings queue.
〈 Parse Flash DoAction tag 124 〉 ≡
{
#ifdef FLASH_PARSE_DEBUG
cout ≪ "Do␣action:" ≪ endl ;
#endif
actionCode ac;
while (isOK ( ) ∧ (ac = static cast〈actionCode〉(get8 ( ))) ≠ sactionNone ) {
unsigned int dlen = 0;
if ((ac & # 80) ≠ 0) {
dlen = get16 ( );
}
switch (ac) {
case sactionGetURL:
{
string url , target ;
getString (url );
getString (target );
if (¬textOnly ) {
strings .push (url );
}
strings .push (target );
}
break;
default:
if (dlen > 0) {
skip8n (dlen );
}
#ifdef FLASH_PARSE_DEBUG
cout ≪ "␣␣Skipping␣action␣code␣0x" ≪ hex ≪ ac ≪ dec ≪ "␣data␣length␣" ≪ dlen ≪
endl ;
#endif
break;
}
}
}
This code is used in section 115.