public static bool IsLogEntry(string line, ref Hashtable dataEntry)
{
string pattern = @"\$GPRMC,(\d{6}),(A|V),(\d{4}\.\d{0,4}),(N|S),"
+ @"(\d{5}\.\d{0,4}),(E|W),(\d+\.\d{0,2}),(\d+\.\d{0,2}),"
+ @"(\d{6}),(\d*\.?\d*),(E|W)?\*((\d|\w){0,2})";
Match lineMatch = Regex.Match(line, pattern, RegexOptions.IgnoreCase);
if (!lineMatch.Success)
{
return(false);
}
dataEntry["UTCTime"] = lineMatch.Groups[1].ToString();
dataEntry["Status"] = lineMatch.Groups[2].ToString();
dataEntry["Latitude"] = lineMatch.Groups[3].ToString();
dataEntry["NSIndicator"] = lineMatch.Groups[4].ToString();
dataEntry["Longitude"] = lineMatch.Groups[5].ToString();
dataEntry["EWIndicator"] = lineMatch.Groups[6].ToString();
dataEntry["Speed"] = lineMatch.Groups[7].ToString();
dataEntry["Course"] = lineMatch.Groups[8].ToString();
dataEntry["UTCDate"] = lineMatch.Groups[9].ToString();
dataEntry["MagVariation"] = lineMatch.Groups[10].ToString();
dataEntry["MagVarEWInd"] = lineMatch.Groups[11].ToString();
dataEntry["Checksum"] = lineMatch.Groups[12].ToString();
dataEntry["GenLogFormat"] = LogFormat.GPRMC;
dataEntry["GenDateTime"] = LogGPRMC.GetEntryDateTime(
dataEntry["UTCTime"].ToString(),
dataEntry["UTCDate"].ToString());
return(true);
}
public static LogBase CreateLogInstance(LogFormat format)
{
LogBase logInstance = null;
switch (format)
{
case LogFormat.GPRMC:
logInstance = new LogGPRMC();
break;
case LogFormat.OziExplorer:
logInstance = new LogOziExplorer();
break;
}
return logInstance;
}
public static LogBase CreateLogInstance(LogFormat format)
{
LogBase logInstance = null;
switch (format)
{
case LogFormat.GPRMC:
logInstance = new LogGPRMC();
break;
case LogFormat.OziExplorer:
logInstance = new LogOziExplorer();
break;
}
return(logInstance);
}
public override void ParseStringData(string dataString)
{
string[] lines = dataString.Split('\n');
foreach (string line in lines)
{
Hashtable dataEntry = new Hashtable();
if (!LogGPRMC.IsLogEntry(line, ref dataEntry))
{
continue;
}
this.dataArray.Add(dataEntry);
if (dataArray.Count == 1)
{
this.start = (DateTime)dataEntry["GenDateTime"];
this.end = (DateTime)dataEntry["GenDateTime"];
}
this.UpdateLogStartEnd((DateTime)dataEntry["GenDateTime"]);
}
}
public static LogFormat DetectLogFormatFromString(ref string dataString)
{
Hashtable dummyEntry = new Hashtable();
LogFormat format = LogFormat.Unknown;
string[] lines = dataString.Split('\n');
foreach (string line in lines)
{
if (LogGPRMC.IsLogEntry(line, ref dummyEntry))
{
format = LogFormat.GPRMC;
break;
}
if (LogOziExplorer.IsLogEntry(line, ref dummyEntry))
{
format = LogFormat.OziExplorer;
break;
}
}
return(format);
}
