//We Fail completely if there is a parse or index error anywhere in the file
//We could skip lines with parse errors, but we have no way to alert the user
protected override IEnumerable <ArgosTransmission> GetTransmissions(IEnumerable <string> lines)
{
//Each line looks like \"abc\";\"def\";\"pdq\";\"xyz\";
int lineNumber = 1;
foreach (var line in lines.Skip(1))
{
lineNumber++;
if (String.Equals(line.Trim(), "MAX_RESPONSE_REACHED", StringComparison.InvariantCultureIgnoreCase))
{
_maxResponseReached = true;
yield break;
}
var tokens = line.Substring(1, line.Length - 3).Split(new[] { "\";\"" }, StringSplitOptions.None);
var transmission = new ArgosTransmission
{
LineNumber = lineNumber,
ProgramId = tokens[0],
PlatformId = tokens[1],
DateTime = DateTime.Parse(tokens[7], CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind),
Location = String.IsNullOrEmpty(tokens[13]) ? null : new ArgosTransmission.ArgosLocation
{
DateTime = DateTime.Parse(tokens[13], CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind),
Latitude = Single.Parse(tokens[14]),
Longitude = Single.Parse(tokens[15]),
Altitude = Single.Parse(tokens[16]),
Class = tokens[17][0]
}
};
transmission.AddHexString(tokens[38]);
transmission.AddLine(line);
yield return(transmission);
}
_maxResponseReached = false;
}
private ArgosGen3Message GetMessage(ArgosTransmission transmission)
{
return(new ArgosGen3Message
{
PlatformId = transmission.PlatformId,
TransmissionDateTime = transmission.DateTime,
Fixes = GetFixes(transmission.DateTime, transmission.Message)
});
}
//We Fail completely if there is a parse or index error anywhere in the file
//We could skip lines with parse errors, but we have no way to alert the user
protected override IEnumerable<ArgosTransmission> GetTransmissions(IEnumerable<string> lines)
{
//Each line looks like \"abc\";\"def\";\"pdq\";\"xyz\";
int lineNumber = 1;
foreach (var line in lines.Skip(1))
{
lineNumber++;
if (String.Equals(line.Trim(), "MAX_RESPONSE_REACHED", StringComparison.InvariantCultureIgnoreCase))
{
_maxResponseReached = true;
yield break;
}
var tokens = line.Substring(1, line.Length - 3).Split(new[] { "\";\"" }, StringSplitOptions.None);
var transmission = new ArgosTransmission
{
LineNumber = lineNumber,
ProgramId = tokens[0],
PlatformId = tokens[1],
DateTime = DateTime.Parse(tokens[7], CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind),
Location = String.IsNullOrEmpty(tokens[13]) ? null : new ArgosTransmission.ArgosLocation
{
DateTime = DateTime.Parse(tokens[13], CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind),
Latitude = Single.Parse(tokens[14]),
Longitude = Single.Parse(tokens[15]),
Altitude = Single.Parse(tokens[16]),
Class = tokens[17][0]
}
};
transmission.AddHexString(tokens[38]);
transmission.AddLine(line);
yield return transmission;
}
_maxResponseReached = false;
}
//We return no transmissions if first non-blank line is not recognized as the header
//Fail with Format Exception if there is a parse error anywhere in the file
//We could skip lines with parse errors, but we have no way to alert the user
protected override IEnumerable <ArgosTransmission> GetTransmissions(IEnumerable <string> lines)
{
//The debevek file contains fixes not transmissions,
//but since they all contain an Argos Id we can fake it.
var platformIndex = -1;
var dateIndex = -1;
var timeIndex = -1;
var latIndex = -1;
var lonIndex = -1;
int lineNumber = 0;
foreach (var line in lines)
{
lineNumber++;
var cleanLine = line.Trim();
if (cleanLine == String.Empty)
{
continue;
}
if (string.IsNullOrEmpty(cleanLine.Replace(',', ' ').Trim())) //empty except for commas
{
continue;
}
if (_header == String.Empty)
{
_header = cleanLine;
var columns = _header.Split('\t', ',');
for (int i = 0; i < columns.Length; i++)
{
var column = columns[i];
if (String.Equals(column, "CollarID", StringComparison.InvariantCultureIgnoreCase))
{
platformIndex = i;
}
if (String.Equals(column, "FixDate", StringComparison.InvariantCultureIgnoreCase))
{
dateIndex = i;
}
if (String.Equals(column, "FixTime", StringComparison.InvariantCultureIgnoreCase))
{
timeIndex = i;
}
if (String.Equals(column, "LatWGS84", StringComparison.InvariantCultureIgnoreCase))
{
latIndex = i;
}
if (String.Equals(column, "LonWGS84", StringComparison.InvariantCultureIgnoreCase))
{
lonIndex = i;
}
}
if (platformIndex == -1 || dateIndex == -1 || latIndex == -1 || lonIndex == -1) //FixTime is optional
{
yield break;
}
continue;
}
var tokens = cleanLine.Split('\t', ',');
var timeString = "12:00";
if (timeIndex != -1)
{
timeString = tokens[timeIndex];
}
var dateTime = DateTime.Parse(tokens[dateIndex] + " " + timeString, CultureInfo.InvariantCulture,
DateTimeStyles.RoundtripKind);
var transmission = new ArgosTransmission
{
LineNumber = lineNumber,
ProgramId = null,
PlatformId = tokens[platformIndex],
DateTime = dateTime,
Location = String.IsNullOrEmpty(tokens[latIndex]) ? null : new ArgosTransmission.ArgosLocation
{
DateTime = dateTime,
Latitude = Single.Parse(tokens[latIndex]),
Longitude = Single.Parse(tokens[lonIndex])
}
};
transmission.AddLine(line);
yield return(transmission);
}
}
//We Fail completely if there is a parse or index error anywhere in the file
//We could skip lines with parse errors, but we have no way to alert the user
protected override IEnumerable <ArgosTransmission> GetTransmissions(IEnumerable <string> lines)
{
/* Argos files may be contained in numerous concatenated ASCII email files
* Unidentified lines are ignored. Transmissions contain a variable number
* of lines. The start and end lines will fit a known pattern.
*
* 09691 095838 9 31 M 3 2012-12-02 20:00:07 65.726 198.504 0.284 401629897
* 2012-12-02 20:03:40 4 12 19 127 112
* 76 55 86
* 2012-12-02 21:34:42 1 12 19 127 112
* 76 55 86 110
* 26 111 162
*
* Each group of transmissions starts with the program and platfrom id numbers
* in this case the program is 09691, and the platfrom is 095838 the rest of the line
* is ignored it is Argos location data and may be empty.
* Each transmission starts with the date and time, then a small int, then 3 or 4
* bytes as a positive integer from 0 to 255. Typical lines will have 4 bytes. The
* last line will have only 3 bytes (the first line may also be the last).
*
* In some email files, leading white space is removed, and remaining white space is
* normalized to a single space per whitespace group; i.e. \s+ => ' '
*/
var transmissions = new List <ArgosTransmission>();
var platformPattern = new Regex(@"^\s*([0-9]{5})\s+([0-9]{5,6})\s+", RegexOptions.Compiled); //Be more liberal with whitespace
var transmissionPattern = new Regex(@"^\s*([0-9]{4})-([0-9]{2})-([0-9]{2})", RegexOptions.Compiled); //Ignore leading space
var dataPattern = new Regex(@"^[\s0-9]*$", RegexOptions.Compiled); //Just white space and decimal digits
string programId = null;
string platformId = null;
string platformheader = null;
ArgosTransmission.ArgosLocation location = null;
ArgosTransmission transmission = null;
int lineNumber = 0;
foreach (var line in lines)
{
lineNumber++;
if (platformPattern.IsMatch(line))
{
var tokens = Regex.Split(line.Trim(), @"\s+");
//do not use String.Split() - It splits on each whitespace character, not groups of whitespace
//since we passed the Regex Match, we know there are at least two tokens
programId = tokens[0].TrimStart('0');
platformId = tokens[1].TrimStart('0');
location = tokens.Length < 11
? null
: new ArgosTransmission.ArgosLocation
{
DateTime = DateTime.Parse(tokens[6] + " " + tokens[7]),
Latitude = Single.Parse(tokens[8]),
Longitude = Single.Parse(tokens[9]),
Altitude = Single.Parse(tokens[10]),
Class = tokens[5][0]
};
transmission = null;
platformheader = line;
}
else if (platformId != null && transmissionPattern.IsMatch(line))
{
var tokens = Regex.Split(line.Trim(), @"\s+");
if (tokens.Length == 6 || tokens.Length == 7)
{
var transmissionDateTime = DateTime.Parse(tokens[0] + " " + tokens[1]);
transmission = new ArgosTransmission
{
LineNumber = lineNumber,
ProgramId = programId,
PlatformId = platformId,
DateTime = transmissionDateTime,
Location = location,
};
if (platformheader != null)
{
//only the first transmission in a group gets the header
transmission.AddLine(platformheader);
platformheader = null;
}
transmission.AddLine(line);
transmission.AddRawBytes(tokens.Skip(3));
transmissions.Add(transmission);
}
}
else if (transmission != null && dataPattern.IsMatch(line))
{
transmission.AddLine(line);
var tokens = Regex.Split(line.Trim(), @"\s+");
if (tokens.Length == 3 || tokens.Length == 4)
{
transmission.AddRawBytes(tokens);
}
}
else
{
programId = null;
platformId = null;
transmission = null;
}
}
return(transmissions);
}
//We return no transmissions if first non-blank line is not recognized as the header
//Fail with Format Exception if there is a parse error anywhere in the file
//We could skip lines with parse errors, but we have no way to alert the user
protected override IEnumerable<ArgosTransmission> GetTransmissions(IEnumerable<string> lines)
{
//The debevek file contains fixes not transmissions,
//but since they all contain an Argos Id we can fake it.
var platformIndex = -1;
var dateIndex = -1;
var timeIndex = -1;
var latIndex = -1;
var lonIndex = -1;
int lineNumber = 0;
foreach (var line in lines)
{
lineNumber++;
var cleanLine = line.Trim();
if (cleanLine == String.Empty)
continue;
if (string.IsNullOrEmpty(cleanLine.Replace(',', ' ').Trim())) //empty except for commas
continue;
if (_header == String.Empty)
{
_header = cleanLine;
var columns = _header.Split('\t', ',');
for (int i = 0; i < columns.Length; i++)
{
var column = columns[i];
if (String.Equals(column, "CollarID", StringComparison.InvariantCultureIgnoreCase))
platformIndex = i;
if (String.Equals(column, "FixDate", StringComparison.InvariantCultureIgnoreCase))
dateIndex = i;
if (String.Equals(column, "FixTime", StringComparison.InvariantCultureIgnoreCase))
timeIndex = i;
if (String.Equals(column, "LatWGS84", StringComparison.InvariantCultureIgnoreCase))
latIndex = i;
if (String.Equals(column, "LonWGS84", StringComparison.InvariantCultureIgnoreCase))
lonIndex = i;
}
if (platformIndex == -1 || dateIndex == -1 || latIndex == -1 || lonIndex == -1) //FixTime is optional
yield break;
continue;
}
var tokens = cleanLine.Split('\t', ',');
var timeString = "12:00";
if (timeIndex != -1)
timeString = tokens[timeIndex];
var dateTime = DateTime.Parse(tokens[dateIndex] + " " + timeString, CultureInfo.InvariantCulture,
DateTimeStyles.RoundtripKind);
var transmission = new ArgosTransmission
{
LineNumber = lineNumber,
ProgramId = null,
PlatformId = tokens[platformIndex],
DateTime = dateTime,
Location = String.IsNullOrEmpty(tokens[latIndex]) ? null : new ArgosTransmission.ArgosLocation
{
DateTime = dateTime,
Latitude = Single.Parse(tokens[latIndex]),
Longitude = Single.Parse(tokens[lonIndex])
}
};
transmission.AddLine(line);
yield return transmission;
}
}
private ArgosGen3Message GetMessage(ArgosTransmission transmission)
{
return new ArgosGen3Message
{
PlatformId = transmission.PlatformId,
TransmissionDateTime = transmission.DateTime,
Fixes = GetFixes(transmission.DateTime, transmission.Message)
};
}