public static AbstractExercise GetExerciseGivenPath(string path, ExerciseAlbum album)
{
if (null == path)
{
return(null);
}
Queue <string> dirs = new Queue <string>();
string[] path_split = path.Split('/');
foreach (string p in path_split)
{
dirs.Enqueue(p);
}
AbstractExercise iAe = album;
while (dirs.Count > 0)
{
string name = dirs.Dequeue();
if (iAe is ExerciseAlbum a)
{
iAe = a.GetExercise(name);
}
// check result
if (iAe == null)
{
return(null);
}
else if (iAe is ExerciseSingle single &&
dirs.Count > 0)
{
return(null);
}
// generate a root test album and serailize it
static void GenerateTestRootAlbum()
{
ExerciseAlbum album = new ExerciseAlbum("Root Album");
// add: print list reversely
string filepath = @"..\..\..\ProgramTestInput\ExerciseTexts\PrintListReversely.txt";
ExerciseProblem problem =
ExerciseProblem.GetExerciseProblem(filepath);
ExerciseSingle single = new ExerciseSingle(problem);
album.AddExercise(single);
// add: quicksort
filepath = @"..\..\..\ProgramTestInput\ExerciseTexts\quicksort.txt";
problem =
ExerciseProblem.GetExerciseProblem(filepath);
single = new ExerciseSingle(problem);
album.AddExercise(single);
// serialize the root album
AbstractExercise.WriteExerciseToXml(album, rootAlbumPath);
}
