public static bool TryParseFileName(string filename, out FileNameAttributes fna)
{
var match = RinexRegex.RinexV3FileNameAttrRegex.Match(filename);
if (!match.Success)
{
fna = null;
return(false);
}
fna = ParseFileName(match);
return(true);
}
public static bool TryParseFileName(string filename, out FileNameAttributes fna)
{
var match = RinexRegex.RinexV3FileNameAttrRegex.Match(filename);
if (!match.Success)
{
fna = null;
return(false);
}
try
{
fna = ParseFileName(match);
return(true);
}
catch (Exception e)
{
throw new ArgumentException(String.Format("Error parsing fname {0}", filename), e);
}
}
public static FileNameAttributes ParseFileName(string filename)
{
var result = new FileNameAttributes();
var match = RinexRegex.RinexV3FileNameAttrRegex.Match(filename);
/*
* CAEN00FRA_R_20181640000_01D_30S_MO.crx.gz
* BRDC00IGS_R_20182130000_01D_MN.rnx.gz
*/
//groups
/*
* <stname>, <cc>,/m
* <source>,/m
* <year>, <doy>, <hh>, <mm> /m
* <interval>, <period> /m
* <freq> ,<frequnits> /opt
* <gnss>,<type>/m
* <fileformat>/m
* <zip> /opt
*/
if (!match.Groups["stname"].Success)
{
throw new ArgumentException("Invalid rinex v3 format. No station name");
}
var stName = match.Groups["stname"].Value;
result.StationName = stName;
var cc = match.Groups["cc"].Value;
result.CCode = cc;
if (!match.Groups["source"].Success)
{
throw new ArgumentException("Invalid rinex v3 format. No source designation.");
}
var rDataSource = match.Groups["source"].Value;
result.DataSource = (RinexDataSource)Enum.Parse(typeof(RinexDataSource), rDataSource);
if (!match.Groups["year"].Success || !match.Groups["doy"].Success)
{
throw new ArgumentException("Invalid rinex v3 format. No start time info.");
}
var rst = new RinexStartTime();
var year = match.Groups["year"].Value;
int temp;
if (Int32.TryParse(year, out temp))
{
rst.Year = temp;
}
else
{
throw new ArgumentException(String.Format("Invalid rinex v3 file name format. Wrong year {0}", year));
}
var doy = match.Groups["doy"].Value;
if (Int32.TryParse(doy, out temp))
{
rst.Doy = temp;
}
else
{
throw new ArgumentException(String.Format("Invalid rinex v3 file name format. Wrong doy {0}", doy));
}
var h = match.Groups["hh"].Value;
if (Int32.TryParse(h, out temp))
{
rst.Hours = temp;
}
else
{
throw new ArgumentException(String.Format("Invalid rinex v3 file name format. Wrong hours {0}", h));
}
var m = match.Groups["mm"].Value;
if (Int32.TryParse(m, out temp))
{
rst.Minutes = temp;
}
else
{
throw new ArgumentException(String.Format("Invalid rinex v3 file name format. Wrong minutes {0}", m));
}
result.StartTime = rst;
//<interval>, <period> /m
if (!match.Groups["interval"].Success || !match.Groups["period"].Success)
{
throw new ArgumentException("Invalid rinex v3 format. No file period info.");
}
int interval;
var inte = match.Groups["interval"].Value;
if (!Int32.TryParse(inte, out interval))
{
throw new ArgumentException(
String.Format("Invalid rinex v3 file name format. Wrong interval {0}", inte));
}
var per = match.Groups["period"].Value;
var period = (RinexFilePeriod)Enum.Parse(typeof(RinexFilePeriod), per);
switch (period)
{
case RinexFilePeriod.M:
result.FilePeriod = TimeSpan.FromMinutes(interval);
break;
case RinexFilePeriod.H:
result.FilePeriod = TimeSpan.FromHours(interval);
break;
case RinexFilePeriod.D:
result.FilePeriod = TimeSpan.FromDays(interval);
break;
case RinexFilePeriod.Y:
result.FilePeriod = TimeSpan.FromDays(365.25 * interval);
break;
case RinexFilePeriod.U:
result.FilePeriod = TimeSpan.MinValue;
break;
default:
throw new ArgumentOutOfRangeException();
}
if (match.Groups["freq"].Success && match.Groups["frequnits"].Success)
{
int freq = 0;
if (!Int32.TryParse(match.Groups["freq"].Value, out freq))
{
throw new ArgumentException(String.Format(
"Invalid rinex v3 file name format. Wrong freq. value {0}",
freq));
}
var f = match.Groups["frequnits"].Value;
var fu = (RinexFreqUnits)Enum.Parse(typeof(RinexFreqUnits), f);
if (fu == RinexFreqUnits.C)
{
result.DataFreq = new RinexDataFreq {
DataFreq = freq * 100 /*see sepec*/, Units = fu
};
}
else
{
result.DataFreq = new RinexDataFreq {
DataFreq = freq, Units = fu
};
}
}
// <gnss>,<type>/m
if (!match.Groups["gnss"].Success || !match.Groups["type"].Success)
{
throw new ArgumentException("Invalid rinex v3 format. No file data type info.");
}
var rnxDataType = new RinexDataType();
var c = Convert.ToChar(match.Groups["gnss"].Value);
rnxDataType.Gnss = Utils.CharToGnss(c);
c = Convert.ToChar(match.Groups["type"].Value);
rnxDataType.Type = Utils.CharToFileType(c);
result.DataType = rnxDataType;
//<fileformat>/m
if (!match.Groups["fileformat"].Success)
{
throw new ArgumentException("Invalid rinex v3 format. No file format(rnx,crx) specified.");
}
result.FileFormat =
(RinexFileFormat)Enum.Parse(typeof(RinexFileFormat), match.Groups["fileformat"].Value, true);
//<zip> /opt
if (match.Groups["zip"].Success)
{
var z = match.Groups["zip"].Value;
switch (z.ToLower())
{
case "zip":
result.Compress = Compression.Zip;
break;
case "gz":
result.Compress = Compression.Gzip;
break;
case "bz2":
result.Compress = Compression.Bzip2;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
return(result);
}
