public void SegmentEnumeratorBitmap()
{
using (var fileStream = new FileStream("Evic11.dec", FileMode.Open, FileAccess.Read))
{
var imageEnumerator = new SegmentEnumerator<Bitmap>(
fileStream, Versions.Evic11.Images, new BitmapReader());
ISegmentData<Bitmap> segmentData = null;
while (imageEnumerator.MoveNext())
{
segmentData = imageEnumerator.Current;
Assert.IsNotNull(segmentData);
}
Assert.IsNotNull(segmentData);
Assert.IsNull(imageEnumerator.Current);
Assert.IsTrue(fileStream.Position == Versions.Evic11.Images.Offset + Versions.Evic11.Images.Size);
}
}
public void SegmentEnumeratorString()
{
using (var fileStream = new FileStream("Evic11.dec", FileMode.Open, FileAccess.Read))
{
var imageEnumerator = new SegmentEnumerator<string>(
fileStream, Versions.Evic11.Strings, new StringReader());
ISegmentData<string> segmentData = null;
while (imageEnumerator.MoveNext())
{
segmentData = imageEnumerator.Current;
Assert.IsNotNull(segmentData);
Assert.IsTrue(string.IsNullOrWhiteSpace(segmentData.Data) == false);
Console.WriteLine(segmentData.Data);
}
Assert.IsNotNull(segmentData);
Assert.IsNull(imageEnumerator.Current);
Assert.IsTrue(fileStream.Position == Versions.Evic11.Strings.Offset + Versions.Evic11.Strings.Size);
}
}
public static int Seek(ReadCursor begin, ReadCursor end, out ReadCursor result, byte byte0, byte byte1, byte byte2)
{
var enumerator = new SegmentEnumerator(begin, end);
while (enumerator.MoveNext())
{
var segmentPart = enumerator.Current;
var segment = segmentPart.Segment;
var span = segment.Buffer.Span.Slice(segmentPart.Start, segmentPart.Length);
int index = span.IndexOfAny(byte0, byte1, byte2);
if (index != -1)
{
result = new ReadCursor(segment, segmentPart.Start + index);
return(span[index]);
}
}
result = end;
return(-1);
}
/// <summary>
///
/// </summary>
public MemoryEnumerator(ReadCursor start, ReadCursor end)
{
_segmentEnumerator = new SegmentEnumerator(start, end);
_current = Memory <byte> .Empty;
}
/// <summary>
///
/// </summary>
public BufferEnumerator(ReadCursor start, ReadCursor end)
{
_segmentEnumerator = new SegmentEnumerator(start, end);
_current = default;
}
/// <summary>
///
/// </summary>
public MemoryEnumerator(ReadCursor start, ReadCursor end)
{
_segmentEnumerator = new SegmentEnumerator(start, end);
_current = default(Memory <byte>);
}
