void ArNMEAParser::nextField()
{
currentMessage.push_back(currentField);
currentField = "";
if (currentMessage.size() > MaxNumFields)
endMessage();
}
void comms_main()
{
sendMessage(1);
sendDataByte('G');
sendDataByte('O');
endMessage();
uartTransmit(0x54);
uartTransmit(0xff);
}
Bundle& Bundle::endFinal()
{
endMessage();
if(pCompLengthReplace_)
{
_endMessage(pCompLengthReplace_,InterfaceElement::s_compIE);
pCompLengthReplace_ = NULL;
}
comp_ = 0;
curReplyID_ = 0;
return *this;
}
void SMessageCoder::feed( const char data )
{
if (m_escaping) {
feedByte(data);
m_escaping = false;
}
else if (data == m_escaper) {
m_escaping = true;
}
else if (data == m_delimiter) {
endMessage();
}
else {
feedByte(data);
}
}
void packetNotifyReceive(byte *data, byte length)
{
int i;
printTime();
printf("master %d received packet:", address);
for(i = 0; i < length; i++)
printf(" %02x", data[i]);
printf("\n");
fflush(stdout);
if (!strncmp(data, "A", length)) {
reply();
sendDataByte('B');
endMessage();
} else
releaseReceiveBuffer();
}
void BlockingUDPTransport::enqueueSendRequest(TransportSender::shared_pointer const & sender) {
Lock lock(_sendMutex);
_sendToEnabled = false;
_sendBuffer->clear();
sender->lock();
try {
sender->send(_sendBuffer.get(), this);
sender->unlock();
endMessage();
if(!_sendToEnabled)
send(_sendBuffer.get());
else
send(_sendBuffer.get(), _sendTo);
} catch(...) {
sender->unlock();
}
}
int main(void)
{
/* Welcome Message*/
GWindow window = newGWindow(WIDTH, HEIGHT); // instantiates a window
setWindowTitle(window, "Tic-Tac-Toe");
welcome(window);
/* Mode Selection */
int mode = selectMode(window);
/* Show Rules */
showRules(mode, window);
/* Play Game */
play(mode, window);
/* End Message */
endMessage(window);
waitForClick();
closeGWindow(window);
return 0;
}
AREXPORT int ArNMEAParser::parse(const char *buf, int n)
{
int result = 0;
if (n < 0)
{
return result|ParseError;
}
if (n == 0)
{
return result|ParseFinished;
}
#ifdef DEBUG_ARNMEAPARSER
std::cerr << "\t[ArNMEAParser: given " << n << " bytes of data.]\n";
std::cerr << "\t[ArNMEAParser: parsing chunk \"";
ArNMEAParser_printBuf(stderr, buf, n);
std::cerr << "\"]\n";
#endif
for (int i = 0; i < n; i++)
{
// Check for message start
if (buf[i] == '$')
{
beginMessage();
continue;
}
// Otherwise, we must be in a sentece to do anything
if (!inMessage)
continue;
// Reached the CRLF at the end?
if (buf[i] == '\r')
{
gotCR = true;
continue;
}
if (buf[i] == '\n')
{
if (gotCR)
{
Message msg;
msg.message = ¤tMessage;
msg.timeParseStarted = currentMessageStarted;
HandlerMap::iterator h = myHandlers.find(currentMessage[0]);
if (h != myHandlers.end())
{
#ifdef DEBUG_ARNMEAPARSER
fprintf(stderr, "\t[ArNMEAParser: Got complete message, calling handler for %s...]\n", currentMessage[0].c_str());
#endif
h->second->invoke(msg);
result |= ParseUpdated;
}
endMessage();
}
// a syntax error or no data, abort the message and start looking for the next one.
if(currentField != "")
ArLog::log(ArLog::Normal, "ArNMEAParser: Warning: NMEA parse error (currentField=\"%s\"), resetting parser.", currentField.c_str());
endMessage();
continue;
}
// Are we in the final checksum field?
if (inChecksum)
{
checksumBuf[checksumBufOffset++] = buf[i];
if (checksumBufOffset > 1) // two bytes of checksum
{
int checksumRec = (int) strtol(checksumBuf, NULL, 16);
if (checksumRec != currentChecksum)
{
ArLog::log(ArLog::Normal, "%s: Warning: Skipping message with incorrect checksum.", myName);
std::string nmeaText = "";
for(MessageVector::const_iterator i = currentMessage.begin(); i != currentMessage.end(); ++i)
{
if(i != currentMessage.begin()) nmeaText += ",";
nmeaText += *i;
}
ArLog::log(ArLog::Normal, "%s: Message provided checksum \"%s\" = 0x%x (%d). Calculated checksum is 0x%x (%d). NMEA message ID was: \"%s\"", myName, checksumBuf, checksumRec, checksumRec, currentChecksum, currentChecksum, nmeaText.c_str());
// abort the message and start looking for the next one.
endMessage();
}
}
continue;
}
// Got to the checksum?
if (buf[i] == '*')
{
nextField();
if (!ignoreChecksum)
beginChecksum();
continue;
}
// Every byte in a message between $ and * XORs to form the
// checksum:
currentChecksum ^= buf[i];
// Time to start a new field?
if (buf[i] == ',')
{
nextField();
continue;
}
// Else, we must be in the middle of a field
// TODO we could use strchr to look ahead in the buf
// for the end of the field (',' or '*') or end of the buf, and copy more
// than one byte at a time.
currentField += buf[i];
if (currentField.size() > MaxFieldSize)
{
endMessage();
continue;
}
}
return result;
}
void POExtractor::handleLine(const char* data, uint32_t length)
{
if (state == ERROR) return;
if (state == WHITESPACE) {
if (length == 0) return;
if (data[0] != '#') {
state = COMMENT; //this allows PO files w/o comments
} else {
handleComment(data, length);
return;
}
}
if (state == COMMENT) {
if (length == 0) {
state = WHITESPACE;
} else if (data[0] == '#') {
handleComment(data, length);
} else if (length > 7 && strncmp("msgctxt", data, 7) == 0) {
state = MSGCTXT;
} else if (length > 7 && strncmp("msgid \"", data, 7) == 0) {
state = MSGID;
} else {
state = ERROR;
}
return;
} else if (length > 1 && data[0] == '"' && data[length-1] == '"'
&& (state == MSGCTXT || state == MSGID || state == MSGSTR
|| state == MSGID_PLURAL)) {
// continued text field
isTranslated = state == MSGSTR && length > 2;
} else if (state == MSGCTXT
&& length > 7 && strncmp("msgid \"", data, 7) == 0) {
state = MSGID;
} else if (state == MSGID
&& length > 14 && strncmp("msgid_plural \"", data, 14) == 0) {
state = MSGID_PLURAL;
} else if ((state == MSGID || state == MSGID_PLURAL || state == MSGSTR)
&& length > 8 && strncmp("msgstr", data, 6) == 0) {
state = MSGSTR;
isTranslated = strncmp(data+length-3, " \"\"", 3) != 0;
} else if (state == MSGSTR) {
if (length == 0) {
endMessage();
} else if (data[0]=='#' || data[0]=='m') { //allow PO without empty line between entries
endMessage();
state = COMMENT;
handleLine(data, length);
} else {
state = ERROR;
}
} else {
state = ERROR;
}
#if 0
if (messages > 1 || state != MSGSTR) return;
// handle special values in the first messsage
// assumption is that value takes up only one line
if (strncmp("\"POT-Creation-Date: ", data, 20) == 0) {
result->add(Property::TranslationTemplateDate, QByteArray(data + 20, length - 21));
} else if (strncmp("\"PO-Revision-Date: ", data, 19) == 0) {
result->add(Property::TranslationLastUpDate, QByteArray(data + 19, length - 20));
} else if (strncmp("\"Last-Translator: ", data, 18) == 0) {
result->add(Property::TranslationLastAuthor, QByteArray(data + 18, length - 19));
}
#endif
}
