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Improve File error handling. Massive effects...

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API is somewhat stolen from Rust std::fs::File. Static factories didn't work out so well, though. Move semantics made my head explode.
TODO: Still a lot of places where errors aren't handled, but it's an improvement...
This commit is contained in:
Jared Boone 2016-05-16 14:01:44 -07:00
parent d905c446bf
commit 682a1706a3
18 changed files with 328 additions and 235 deletions
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27
firmware/application/ais_app.cpp
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@ -126,25 +126,17 @@ static std::string true_heading(const TrueHeading value) {
} /* namespace format */
} /* namespace ais */
AISLogger::AISLogger(
const std::string& file_path
) : log_file { file_path }
{
}
void AISLogger::on_packet(const ais::Packet& packet) {
// TODO: Unstuff here, not in baseband!
if( log_file.is_open() ) {
std::string entry;
entry.reserve((packet.length() + 3) / 4);
std::string entry;
entry.reserve((packet.length() + 3) / 4);
for(size_t i=0; i<packet.length(); i+=4) {
const auto nibble = packet.read(i, 4);
entry += (nibble >= 10) ? ('W' + nibble) : ('0' + nibble);
}
log_file.write_entry(packet.received_at(), entry);
for(size_t i=0; i<packet.length(); i+=4) {
const auto nibble = packet.read(i, 4);
entry += (nibble >= 10) ? ('W' + nibble) : ('0' + nibble);
}
log_file.write_entry(packet.received_at(), entry);
}
void AISRecentEntry::update(const ais::Packet& packet) {
@ -332,7 +324,10 @@ AISAppView::AISAppView(NavigationView&) {
this->on_show_list();
};
logger = std::make_unique<AISLogger>("ais.txt");
logger = std::make_unique<AISLogger>();
if( logger ) {
logger->append("ais.txt");
}
}
AISAppView::~AISAppView() {