/// <summary>
/// Load the provided <see cref="System.IO.Stream">stream</see> into the parser.
/// </summary>
/// <param name="stream">The <see cref="System.IO.Stream">stream</see> to load.</param>
public override void LoadStream(System.IO.Stream stream)
{
if ((!Layout.OpenAsText && Layout.RecordLength < 1) ||
Layout.MasterFields == null || Layout.MasterFields.Length < 1)
{
return;
}
UpdateEncoders();
if (Layout.OpenAsText)
{
stream.GotoStart();
byte[] bytes = stream.ReadToChar(Layout.TextLineTerminator);
if (Layout.HeaderRecord != null && Layout.HeaderRecord.Fields?.Length > 0)
{
TaskManager.StartAction(delegate
{
Layout.HeaderRecord.ReadRecord(bytes);
});
}
else
{
ReadRecord(bytes);
}
while (bytes != null)
{
bytes = stream.ReadToChar(Layout.TextLineTerminator, Layout.Encoder.SourceEncoding);
if ((stream.Position >= stream.Length - 2 || stream.Position < 0) &&
Layout.FooterRecord != null && Layout.FooterRecord.Fields?.Length > 0)
{
TaskManager.StartAction(delegate
{
Layout.FooterRecord.ReadRecord(bytes);
});
bytes = null;
}
else
{
ReadRecord(bytes);
}
}
}
else if (stream.Length % Layout.RecordLength != 0)
{
throw new InvalidOperationException(
$"{IO.FileParser.Properties.Resources.ResourceManager.GetString("InvalidLength")} ({stream.Length}/{Layout.RecordLength})");
}
else
{
stream.GotoStart();
byte[] bytes = stream.ReadNext(Layout.RecordLength);
if (Layout.HeaderRecord != null && Layout.HeaderRecord.Fields.Length > 0)
{
TaskManager.StartAction(delegate
{
Layout.HeaderRecord.ReadRecord(bytes);
});
}
else
{
ReadRecord(bytes);
}
while (bytes != null)
{
bytes = stream.ReadNext(Layout.RecordLength);
if ((stream.Position >= stream.Length - 2 || stream.Position < 0) &&
Layout.FooterRecord != null && Layout.FooterRecord.Fields.Length > 0)
{
TaskManager.StartAction(delegate
{
Layout.FooterRecord.ReadRecord(bytes);
});
bytes = null;
}
else
{
ReadRecord(bytes);
}
}
}
TaskManager.AwaitAllThenClean();
}
