private List <List <IBuildingBlock> > CreateBuildingBlocks(IMazeBuilder mazeBuilder, string[] schemaLines, IBuildingBlockIdentifier wallIdentifier, IBuildingBlockIdentifier pathIdentifier)
{
List <List <IBuildingBlock> > buildingBlocksByRows = new List <List <IBuildingBlock> >();
for (int schemaRowIndex = 0; schemaRowIndex <= schemaLines.Length - 1; schemaRowIndex++)
{
List <IBuildingBlock> buildingBlocksInRow = new List <IBuildingBlock>();
buildingBlocksByRows.Add(buildingBlocksInRow);
string schemaRow = schemaLines[schemaRowIndex].Trim();
string[] schemaColumns = schemaRow.Split();
int latiduteIndex = -1; //To Keep track of space which is not BuildingBlock
ILongitude longitude = mazeBuilder.CreateLongitude(schemaRowIndex);
for (int schemaColumnIndex = 0; schemaColumnIndex <= schemaColumns.Length - 1; schemaColumnIndex++)
{
BuildingBlockType?buildingBlockType = null;
if (schemaColumns[schemaColumnIndex].ToString() == wallIdentifier.GetIdentifier().ToString())
{
buildingBlockType = BuildingBlockType.Wall;
}
else if (schemaColumns[schemaColumnIndex].ToString() == pathIdentifier.GetIdentifier().ToString())
{
buildingBlockType = BuildingBlockType.Path;
}
if (buildingBlockType.HasValue)
{
latiduteIndex++;
ILatitude latitude = mazeBuilder.CreateLatitude(latiduteIndex);
ILocation location = mazeBuilder.CreateLocation(latitude, longitude);
IBuildingBlock buildingBlock;
switch (buildingBlockType)
{
case BuildingBlockType.Wall:
buildingBlock = mazeBuilder.CreateWall(location);
break;
case BuildingBlockType.Path:
buildingBlock = mazeBuilder.CreatePath(location);
break;
default:
throw new NotImplementedException();
}
buildingBlocksInRow.Add(buildingBlock);
}
}
}
return(buildingBlocksByRows);
}