uint32_t
ID3Parser::GetHeaderLength() const
{
MOZ_ASSERT(IsParsed(),
"Queried length of ID3 header before parsing finished.");
return mHeaderLength;
}
bool
ID3Parser::ParseChar(char ch)
{
// First three bytes of an ID3v2 header must match the string "ID3".
if (mCurrentChar < sizeof(sID3Head) / sizeof(*sID3Head)
&& ch != sID3Head[mCurrentChar]) {
goto fail;
}
// The last four bytes of the header is a 28-bit unsigned integer with the
// high bit of each byte unset.
if (mCurrentChar >= 6 && mCurrentChar < ID3_HEADER_LENGTH) {
if (ch & 0x80) {
goto fail;
} else {
mHeaderLength <<= 7;
mHeaderLength |= ch;
}
}
mCurrentChar++;
return IsParsed();
fail:
Reset();
return false;
}
void
CBSymbolList::FileChanged
(
const JCharacter* fileName,
const CBTextFileType fileType,
const JFAID_t id
)
{
if (IsParsed(fileType))
{
if (!itsBeganEmptyFlag)
{
RemoveFile(id);
}
ParseFile(fileName, fileType, id);
}
}
