void RinexMetHeader::reallyPutRecord(FFStream& ffs) const
throw(std::exception, FFStreamError,
gpstk::StringUtils::StringException)
{
RinexMetStream& strm = dynamic_cast<RinexMetStream&>(ffs);
// since they want to output this header, let's store
// it internally for use by the data
strm.header = (*this);
// i'm casting out const here to set the correct required valid bits.
// deal with it =P
unsigned long allValid;
if (version == 2.0) allValid = allValid20;
else if (version == 2.1) allValid = allValid21;
else
{
FFStreamError err("Unknown RINEX version: " + asString(version,2));
err.addText("Make sure to set the version correctly.");
GPSTK_THROW(err);
}
if ((valid & allValid) != allValid)
{
string errstr("Incomplete or invalid header: missing: ");
errstr += bitString(allValid & ~valid);
FFStreamError err(errstr);
err.addText("Make sure you set all header valid bits for all of the available data.");
GPSTK_THROW(err);
}
string line;
// line by line, let's do this.
if (valid & versionValid)
{
line = rightJustify(asString(version,2), 9);
line += string(11, ' ');
line += leftJustify(fileType, 40);
line += versionString;
strm << line << endl;
strm.lineNumber++;
}
if (valid & runByValid)
{
line = leftJustify(fileProgram,20);
line += leftJustify(fileAgency,20);
DayTime dt;
dt.setLocalTime();
string dat = dt.printf("%02m/%02d/%04Y %02H:%02M:%02S");
line += leftJustify(dat, 20);
line += runByString;
strm << line << endl;
strm.lineNumber++;
}
if (valid & commentValid)
{
vector<string>::const_iterator itr = commentList.begin();
while (itr != commentList.end())
{
line = leftJustify((*itr), 60);
line += commentString;
strm << line << endl;
strm.lineNumber++;
itr++;
}
}
if (valid & markerNameValid)
{
line = leftJustify(markerName, 60);
line += markerNameString;
strm << line << endl;
strm.lineNumber++;
}
if (valid & markerNumberValid)
{
line = leftJustify(markerNumber, 60);
line += markerNumberString;
strm << line << endl;
strm.lineNumber++;
}
if (valid & obsTypeValid)
{
line = rightJustify(asString(obsTypeList.size()),6);
vector<RinexMetType>::const_iterator itr = obsTypeList.begin();
size_t numWritten = 0;
while (itr != obsTypeList.end())
{
numWritten++;
// stupid continuation lines =P
if ((numWritten % (maxObsPerLine+1)) == 0)
{
line += obsTypeString;
strm << line << endl;
strm.lineNumber++;
line = string(6,' ');
}
line += rightJustify(convertObsType(*itr), 6);
itr++;
}
// pad the line out to 60 chrs and add label
line += string(60 - line.size(), ' ');
line += obsTypeString;
strm << line << endl;
strm.lineNumber++;
}
if (valid & sensorTypeValid)
{
// only write out the sensor types that are
// in the obsTypeList
vector<sensorType>::const_iterator itr = sensorTypeList.begin();
while (itr != sensorTypeList.end())
{
if (std::find(obsTypeList.begin(), obsTypeList.end(),
(*itr).obsType) != obsTypeList.end())
{
line = leftJustify((*itr).model, 20);
line += leftJustify((*itr).type, 20);
line += string(6, ' ');
line += rightJustify(asString((*itr).accuracy,1),7);
line += string(4, ' ');
line += convertObsType((*itr).obsType);
line += string(1, ' ');
line += sensorTypeString;
strm << line << endl;
strm.lineNumber++;
}
itr++;
}
}
if (valid & sensorPosValid)
{
// only write out the sensor positions that are
// in the obsTypeList
vector<sensorPosType>::const_iterator itr = sensorPosList.begin();
while (itr != sensorPosList.end())
{
if (std::find(obsTypeList.begin(), obsTypeList.end(),
(*itr).obsType) != obsTypeList.end())
{
line = rightJustify(asString((*itr).position[0],4),14);
line += rightJustify(asString((*itr).position[1],4),14);
line += rightJustify(asString((*itr).position[2],4),14);
line += rightJustify(asString((*itr).height,4),14);
line += string(1, ' ');
line += convertObsType((*itr).obsType);
line += string(1, ' ');
line += sensorPosString;
strm << line << endl;
strm.lineNumber++;
}
itr++;
}
}
if (valid & endValid)
{
line = string(60, ' ');
line += endOfHeader;
strm << line << endl;
strm.lineNumber++;
}
}
yylex()
{
char c;
for (;;) {
c = input();
oldnewline = newline;
newline = FALSE;
switch (char_type[c]) {
Case C_SLASH:
if (oldnewline) {
parseRawline();
return(Rawline);
}
c = input();
if (c == '*')
comment();
else {
unput(c);
return(DIV);
}
Case C_ZERO:
c = input();
if (c == 'x' || c == 'X')
parseNumber(16, input());
else if (c == 'b' || c == 'B')
parseNumber(2, input());
else if (c == 'q' || c == 'Q')
parseNumber(4, input());
else
parseNumber(8, c);
return(Number);
Case C_DIG:
parseNumber(10, c);
return(Number);
Case C_ALPH:
parseName(c);
if ((yylval = matchKeyword(yytext)) != 0)
return(yylval);
yylval = lookupSymbol(yytext);
/* if (debug)
printf("lexer: Name '%s'\n", yytext);*/
return(Name);
Case C_QUOTE:
lexString('"');
string();
return(String);
Case C_APOSTROPHE:
lexString('\'');
c = input();
if (c == 'b' || c == 'B') {
bitString();
return(BitString);
} else {
string();
unput(c);
return(String);
}
Case C_LIT:
return(litCode[c]);
Case C_NL:
newline = TRUE;
}
}
}
void RinexMetHeader::reallyGetRecord(FFStream& ffs)
throw(std::exception, FFStreamError,
gpstk::StringUtils::StringException)
{
RinexMetStream& strm = dynamic_cast<RinexMetStream&>(ffs);
// if already read, just return
if (strm.headerRead == true)
return;
valid = 0;
// clear out structures in case the last read was a partial header
// and there's cruft left
commentList.clear();
obsTypeList.clear();
sensorTypeList.clear();
sensorPosList.clear();
int numObs;
while (! (valid & endValid))
{
string line;
strm.formattedGetLine(line);
if (line.length()<60 || line.length()>81)
{
FFStreamError e("Bad line length");
GPSTK_THROW(e);
}
string thisLabel(line, 60, 20);
if (thisLabel == versionString)
{
version = asDouble(line.substr(0,20));
fileType = strip(line.substr(20,20));
if ( (fileType[0] != 'M') &&
(fileType[0] != 'm'))
{
FFStreamError e("This isn't a Rinex Met file");
GPSTK_THROW(e);
}
valid |= versionValid;
}
else if (thisLabel == runByString)
{
fileProgram = strip(line.substr(0,20));
fileAgency = strip(line.substr(20,20));
date = strip(line.substr(40,20));
valid |= runByValid;
}
else if (thisLabel == commentString)
{
commentList.push_back(strip(line.substr(0,60)));
valid |= commentValid;
}
else if (thisLabel == markerNameString)
{
markerName = strip(line.substr(0,60));
valid |= markerNameValid;
}
else if (thisLabel == markerNumberString)
{
markerNumber = strip(line.substr(0,20));
valid |= markerNumberValid;
}
else if (thisLabel == obsTypeString)
{
// read the first line
if (! (valid & obsTypeValid))
{
numObs = gpstk::StringUtils::asInt(line.substr(0,6));
for (int i = 0; (i < numObs) && (i < maxObsPerLine); i++)
{
int currPos = i * 6 + 6;
if (line.substr(currPos, 4) != string(4, ' '))
{
FFStreamError e("Format error for line type " +
obsTypeString);
GPSTK_THROW(e);
}
obsTypeList.push_back(convertObsType(line.substr(currPos + 4, 2)));
}
valid |= obsTypeValid;
}
// read continuation lines
else
{
int currentObsTypes = obsTypeList.size();
for (int i = currentObsTypes;
(i < numObs) && (i < (maxObsPerLine + currentObsTypes));
i++)
{
int currPos = (i % maxObsPerLine) * 6 + 6;
if (line.substr(currPos, 4) != string(4,' '))
{
FFStreamError e("Format error for line type " +
obsTypeString);
GPSTK_THROW(e);
}
obsTypeList.push_back(convertObsType(line.substr(currPos + 4, 2)));
}
}
}
else if (thisLabel == sensorTypeString)
{
if (line.substr(40,6) != string(6, ' '))
{
FFStreamError e("Format error for line type " +
sensorTypeString);
GPSTK_THROW(e);
}
sensorType st;
st.model = strip(line.substr(0,20));
st.type = strip(line.substr(20,20));
st.accuracy = asDouble(line.substr(46,9));
st.obsType = convertObsType(line.substr(57,2));
sensorTypeList.push_back(st);
// only set this valid if there are exactly
// the same number in both lists
if (sensorTypeList.size() == obsTypeList.size())
{
valid |= sensorTypeValid;
}
else
{
valid &= ~(long)sensorTypeValid;
}
}
else if (thisLabel == sensorPosString)
{
// read XYZ and H and obs type
sensorPosType sp;
sp.position[0] = asDouble(line.substr(0,14));
sp.position[1] = asDouble(line.substr(14,14));
sp.position[2] = asDouble(line.substr(28,14));
sp.height = asDouble(line.substr(42,14));
sp.obsType = convertObsType(line.substr(57,2));
sensorPosList.push_back(sp);
// only barometer is required, so
// set it valid only if you see that record.
if (sp.obsType == PR)
{
valid |= sensorPosValid;
}
}
else if (thisLabel == endOfHeader)
{
valid |= endValid;
}
else
{
FFStreamError e("Unknown header label " + thisLabel);
GPSTK_THROW(e);
}
}
unsigned long allValid;
if (version == 2.0) allValid = allValid20;
else if (version == 2.1) allValid = allValid21;
else
{
FFStreamError e("Unknown or unsupported RINEX version " +
asString(version));
GPSTK_THROW(e);
}
if ( (allValid & valid) != allValid)
{
string errstr("Incomplete or invalid header: missing: ");
errstr += bitString(allValid & ~valid);
FFStreamError err(errstr);
GPSTK_THROW(err);
}
// we got here, so something must be right...
strm.header = *this;
strm.headerRead = true;
}