public bool TryLoadFromFile(string path, out CrossWordTask task)
{
task = null;
if (!File.Exists(path))
{
return(false);
}
var lines = File.ReadAllLines(path);
if (lines == null || lines.Length < 3)
{
return(false);
}
return(TryParseTasks(lines, out task));
}
private bool TryParseTasks(string[] lines, out CrossWordTask task)
{
task = null;
List <CrossWordLineTask> colsLineTasks = new List <CrossWordLineTask>();
List <CrossWordLineTask> rowsLineTasks = new List <CrossWordLineTask>();
bool isColsTask = true;
for (int lineIndex = 0; lineIndex < lines.Length; lineIndex++)
{
var line = lines[lineIndex];
if (line == "-")
{
isColsTask = false;
continue;
}
var numbers = line.Split(',').Select(num => { return(int.TryParse(num, out int intNum) ? (int?)intNum : null); })
.ToList();
if (isColsTask)
{
while (colsLineTasks.Count < numbers.Count)
{
colsLineTasks.Add(new CrossWordLineTask());
}
for (int i = 0; i < colsLineTasks.Count; i++)
{
colsLineTasks[i].Add(numbers[i]);
}
}
else
{
rowsLineTasks.Add(new CrossWordLineTask(numbers));
}
}
task = new CrossWordTask(colsLineTasks.ToArray(), rowsLineTasks.ToArray());
return(true);
}
