const ManifestItem* Library::ManifestItemForCFI(const IRI &urlWithCFI, CFI* pRemainingCFI)
{
CFI cfi = urlWithCFI.ContentFragmentIdentifier();
if ( cfi.Empty() )
return nullptr;
const Package* pkg = PackageForEPubURL(urlWithCFI);
if ( pkg == nullptr )
return nullptr;
return pkg->ManifestItemForCFI(cfi, pRemainingCFI);
}
Auto<ByteStream> Library::ReadStreamForEPubURL(const IRI &url, CFI *pRemainingCFI)
{
CFI cfi = url.ContentFragmentIdentifier();
if ( cfi.Empty() )
{
// it references a content document directly
const Package* pkg = PackageForEPubURL(url);
if ( pkg != nullptr )
return pkg->ReadStreamForItemAtPath(url.Path());
}
else
{
const ManifestItem* item = ManifestItemForCFI(url, pRemainingCFI);
if ( item != nullptr )
return item->Reader();
}
return nullptr;
}
void IRI::SetContentFragmentIdentifier(const CFI &cfi)
{
if ( cfi.Empty() )
return;
SetFragment(cfi.String());
}