void Metalink4Writer::write_piece_hash(const MetalinkFile& file)
{
if(file.get_piece_hashes().empty()) return;
if(file.get_piece_hash_type().empty()) return;
start(wxT("pieces"));
add_attr(wxT("length"),
wxString::Format(wxT("%lu"), file.get_piece_length()));
add_attr(wxT("type"), file.get_piece_hash_type());
close_start();
const std::vector<wxString>& hashes = file.get_piece_hashes();
for(std::vector<wxString>::const_iterator i = hashes.begin(),
eoi = hashes.end(); i != eoi; ++i) {
add_element(wxT("hash"), *i);
}
end(wxT("pieces"));
}
void Metalink3Writer::write_piece_hashes(const MetalinkFile& file)
{
if(!has_piece_hashes(file)) return;
start(wxT("pieces"));
add_attr(wxT("length"),
wxString::Format(wxT("%lu"), file.get_piece_length()));
add_attr(wxT("type"), file.get_piece_hash_type());
close_start();
const std::vector<wxString>& hashes = file.get_piece_hashes();
long index = 0;
for(std::vector<wxString>::const_iterator i = hashes.begin(),
eoi = hashes.end(); i != eoi; ++i) {
start(wxT("hash"));
add_attr(wxT("piece"), wxString::Format(wxT("%ld"), index));
end(wxT("hash"), *i);
index++;
}
end(wxT("pieces"));
}
void ChunkPanel::update()
{
MetalinkFile file = editor_.get_file();
long num = file.get_piece_hashes().size();
if(num == 0) {
label1_->SetLabel(wxT("This file has no chunk checksums."));
btn_delete_->Enable(false);
} else {
wxString type = file.get_piece_hash_type();
wxString msg;
msg << wxT("This file has ") << num;
msg << wxT(" chunk checksum");
if(num > 1) {
msg << wxT("s");
}
msg << wxT(" of type '") << type << wxT("'.");
label1_->SetLabel(msg);
btn_delete_->Enable(true);
}
}
bool Metalink3Writer::has_piece_hashes(const MetalinkFile& file)
{
if(file.get_piece_hashes().empty()) return false;
if(file.get_piece_hash_type().empty()) return false;
return true;
}