1 files changed, 60 insertions, 0 deletions
diff --git a/fastlib/src/vespa/fastlib/io/filterinputstream.h b/fastlib/src/vespa/fastlib/io/filterinputstream.h
new file mode 100644
index 00000000000..feafe6ba2cf
--- /dev/null
+++ b/fastlib/src/vespa/fastlib/io/filterinputstream.h
@@ -0,0 +1,60 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+/**
+*******************************************************************************
+*
+* @author          Stein Hardy Danielsen
+* @date            Creation date: 2000-1-14
+* @version         $Id$
+*
+* @file
+*
+* Generic filter input stream
+*
+* Copyright (c)  : 1997-1999 Fast Search & Transfer ASA
+*                  ALL RIGHTS RESERVED
+*
+******************************************************************************/
+#pragma once
+
+#include <vespa/fastlib/io/inputstream.h>
+
+
+
+
+
+class Fast_FilterInputStream : public Fast_InputStream
+{
+  private:
+
+    // Prevent use of:
+    Fast_FilterInputStream(void);
+    Fast_FilterInputStream(Fast_FilterInputStream &);
+    Fast_FilterInputStream &operator=(const Fast_FilterInputStream &);
+
+
+  protected:
+
+    /** The stream to forward data to */
+    Fast_InputStream *_in;
+
+
+  public:
+
+    // Constructors
+    Fast_FilterInputStream(Fast_InputStream &in) : _in(&in) {}
+
+    virtual ~Fast_FilterInputStream(void) {};
+
+
+    virtual ssize_t Available(void)          { return _in->Available();      }
+    virtual bool    Close(void)              { return _in->Close();          }
+    virtual ssize_t Skip(size_t skipNBytes)  { return _in->Skip(skipNBytes); }
+
+    virtual inline ssize_t Read(void *targetBuffer, size_t length)
+    {
+      return _in->Read(targetBuffer, length);
+    }
+
+};
+
+