/// <summary>
/// Imports a csv-file into <see cref="CsvModel"/> with the given
/// lower limits for the activitylevel calculator
/// </summary>
/// <param name="file">The absolute filepath to the file to import</param>
/// <param name="minSedantary">Lower limit for sedantary activity</param>
/// <param name="minLight">Lower limit for light activity</param>
/// <param name="minModerate">Lower limit for moderate activity</param>
/// <param name="minHeavy">Lower limit for heavy activity</param>
/// <param name="minVeryheavy">Lower limit for very heavy activity</param>
/// <returns>The imported CsvModel</returns>
public static CsvModel parse(
String file,
int minSedantary,
int minLight,
int minModerate,
int minHeavy,
int minVeryheavy
)
{
// all available line parsers, ascending priority
AbstractLineParser[] lineParsers = {
new SingleEntryLineParser(),
new DateTimeActivityStepsLineParser(),
new ActivityUnknownLineParser(),
new DateTimeActivity3dVMUStepsInclLineParser(),
new DateTimeActivity2dVMUStepsInclLineParser(),
new Activity3dVMULineParser(),
new Activity2dVMULineParser(),
new NoDate3dActivityStepsLineParser(),
new DateTime3dActivityStepsLineParser(),
new DateTimeActivityLineParser(),
new RExportedLineParser(),
new RT3LineParser(),
new RT3SemicolomSepLineParser()
};
// the active line parser
AbstractLineParser activeLineParser = null;
// prevent locking the file when an exception occures
using (StreamReader reader = new StreamReader(file))
{
String line;
// we need a buffer to parse the line that is overwritten after testing
String bufferline = "";
// as long as we have lines to read but haven't found a valid format
while ((line = reader.ReadLine()) != null && activeLineParser == null)
{
// iterate over all available line parsers
foreach (AbstractLineParser parser in lineParsers)
{
// this line parser does match the given line
if (parser.test(line) == true)
{
activeLineParser = parser;
bufferline = line;
break;
}
}
}
// reached eof with no line parser matching
if(activeLineParser == null)
{
throw new LineparserException("No valid line format found for file " + file);
}
Console.WriteLine("Detected lineparser: " + activeLineParser.ToString());
// construct model with supported values
CsvModel model = new CsvModel(activeLineParser.SupportedValues);
// set limits for the activitylevel calculator
model.ActivityLevelCalculator.MinSedantary = minSedantary;
model.ActivityLevelCalculator.MinLight = minLight;
model.ActivityLevelCalculator.MinModerate = minModerate;
model.ActivityLevelCalculator.MinHeavy = minHeavy;
model.ActivityLevelCalculator.MinVeryheavy = minVeryheavy;
// Set filename
model.AbsoluteFileName = file;
// Add the two lines consumed by lineparser testing
model.Add(activeLineParser.parseLine(bufferline));
model.Add(activeLineParser.parseLine(line));
//iterate over all remaining lines with
while((line = reader.ReadLine()) != null)
{
if (line.Trim().Length > 0)
{
model.Add(activeLineParser.parseLine(line));
}
}
// finish model
model.finishParsing();
return model;
}
}
