Title: Save and load a 2-dimensional dynamic array?
type
T2DBooleanArray = array of array of Boolean;
procedure Save2DBooleanArray(const A: T2DBooleanArray; S: TStream);
var
writer: TWriter;
i: Integer;
begin
Assert(Assigned(S));
writer := TWriter.Create(S, 8096);
try
writer.WriteInteger(Length(A));
for i := 0 to Length(A) - 1 do
begin
writer.WriteInteger(Length(A[i]));
writer.Write(A[i, 0], Length(A[i]) * sizeof(A[i, 0]));
end; { For }
finally
writer.Free;
end; { Finally }
end;
procedure Load2DBooleanArray(var A: T2DBooleanArray; S: TStream);
var
reader: TReader;
i, numrows, numcols: Integer;
begin
Assert(Assigned(S));
reader := TReader.Create(S, 8096);
try
numrows := reader.ReadInteger;
SetLength(A, numrows);
for i := 0 to numrows - 1 do
begin
numcols := reader.ReadInteger;
SetLength(A[i], numcols);
reader.Read(A[i, 0], numcols * sizeof(A[i, 0]));
end; { For }
finally
reader.Free;
end; { Finally }
end;