void ConfigManager::parseFile(QString fname){
tok.init();
tok.seterrorhandler(&tokerrorhandler);
tok.settokens(tokens);
tok.setcommentlinesequence("#");
// read the entire file!
QFile file(fname);
if(!file.open(QIODevice::ReadOnly))
throw Exception().set("could not open config file");
QByteArray b = file.readAll();
if(b.isNull() || b.isEmpty())
throw Exception().set("could not read config file");
b.append((char)0);
file.close();
const char *data = b.constData();
tok.reset(data);
bool done = false;
while(!done){
// at the top level we parse frames and
// variables
int t = tok.getnext();
switch(t){
case T_VAR:
parseVars();
break;
case T_WINDOW:
parseWindow();
break;
case T_END:
done=true;
break;
case T_PORT:
port = tok.getnextint();
break;
case T_SENDPORT:
udpSendPort = tok.getnextint();
break;
// the UDP client now sets its address from the first packet received
// but this will override it
case T_SENDADDR:
tok.getnextstring(udpSendAddr);
UDPClient::getInstance()->setAddress(udpSendAddr);
break;
case T_VALIDTIME:
DataManager::dataValidInterval = tok.getnextfloat();
break;
case T_SENDINTERVAL:
sendInterval = tok.getnextfloat();
break;
case T_UPDATEINTERVAL:
graphicalUpdateInterval = tok.getnextfloat()*1000;
break;
case T_AUDIO:
parseAudio();
break;
case T_WAYPOINT:
parseWaypoint();
break;
default:
throw UnexpException(&tok,"'var', 'frame', config data or end of file");
}
}
}
/// Attempt to read a whole HTTP response or request from a data buffer.
/// If succesful, fills its own fields with the proper data and removes the response/request
/// from the data buffer.
/// \param HTTPbuffer The data buffer to read from.
/// \return True on success, false otherwise.
bool HTTP::Parser::parse(std::string & HTTPbuffer) {
size_t f;
std::string tmpA, tmpB, tmpC;
/// \todo Make this not resize HTTPbuffer in parts, but read all at once and then remove the entire request, like doxygen claims it does?
while (!HTTPbuffer.empty()) {
if (!seenHeaders) {
f = HTTPbuffer.find('\n');
if (f == std::string::npos) return false;
tmpA = HTTPbuffer.substr(0, f);
if (f + 1 == HTTPbuffer.size()) {
HTTPbuffer.clear();
} else {
HTTPbuffer.erase(0, f + 1);
}
while (tmpA.find('\r') != std::string::npos) {
tmpA.erase(tmpA.find('\r'));
}
if (!seenReq) {
seenReq = true;
f = tmpA.find(' ');
if (f != std::string::npos) {
if (tmpA.substr(0, 4) == "HTTP") {
protocol = tmpA.substr(0, f);
tmpA.erase(0, f + 1);
f = tmpA.find(' ');
if (f != std::string::npos) {
url = tmpA.substr(0, f);
tmpA.erase(0, f + 1);
method = tmpA;
if (url.find('?') != std::string::npos) {
parseVars(url.substr(url.find('?') + 1)); //parse GET variables
url.erase(url.find('?'));
}
url = urlunescape(url);
} else {
seenReq = false;
}
} else {
method = tmpA.substr(0, f);
tmpA.erase(0, f + 1);
f = tmpA.find(' ');
if (f != std::string::npos) {
url = tmpA.substr(0, f);
tmpA.erase(0, f + 1);
protocol = tmpA;
if (url.find('?') != std::string::npos) {
parseVars(url.substr(url.find('?') + 1)); //parse GET variables
url.erase(url.find('?'));
}
url = urlunescape(url);
} else {
seenReq = false;
}
}
} else {
seenReq = false;
}
} else {
if (tmpA.size() == 0) {
seenHeaders = true;
body.clear();
if (GetHeader("Content-Length") != "") {
length = atoi(GetHeader("Content-Length").c_str());
if (body.capacity() < length) {
body.reserve(length);
}
}
if (GetHeader("Transfer-Encoding") == "chunked") {
getChunks = true;
doingChunk = 0;
}
} else {
f = tmpA.find(':');
if (f == std::string::npos) continue;
tmpB = tmpA.substr(0, f);
tmpC = tmpA.substr(f + 1);
SetHeader(tmpB, tmpC);
}
}
}
if (seenHeaders) {
if (length > 0) {
if (headerOnly) {
return true;
}
unsigned int toappend = length - body.length();
if (toappend > 0) {
body.append(HTTPbuffer, 0, toappend);
HTTPbuffer.erase(0, toappend);
}
if (length == body.length()) {
parseVars(body); //parse POST variables
return true;
} else {
return false;
}
} else {
if (getChunks) {
if (headerOnly) {
return true;
}
if (doingChunk) {
unsigned int toappend = HTTPbuffer.size();
if (toappend > doingChunk) {
toappend = doingChunk;
}
body.append(HTTPbuffer, 0, toappend);
HTTPbuffer.erase(0, toappend);
doingChunk -= toappend;
} else {
f = HTTPbuffer.find('\n');
if (f == std::string::npos) return false;
tmpA = HTTPbuffer.substr(0, f);
while (tmpA.find('\r') != std::string::npos) {
tmpA.erase(tmpA.find('\r'));
}
unsigned int chunkLen = 0;
if (!tmpA.empty()) {
for (unsigned int i = 0; i < tmpA.size(); ++i) {
chunkLen = (chunkLen << 4) | unhex(tmpA[i]);
}
if (chunkLen == 0) {
getChunks = false;
return true;
}
doingChunk = chunkLen;
}
if (f + 1 == HTTPbuffer.size()) {
HTTPbuffer.clear();
} else {
HTTPbuffer.erase(0, f + 1);
}
}
return false;
} else {
return true;
}
}
}
}
return false; //empty input
} //HTTPReader::parse
