1 files changed, 73 insertions, 0 deletions
diff --git a/vos/inc/vos/istream.hxx b/vos/inc/vos/istream.hxx
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+++ b/vos/inc/vos/istream.hxx
@@ -0,0 +1,73 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _VOS_ISTREAM_HXX_
+#define _VOS_ISTREAM_HXX_
+
+#include "sal/types.h"
+#   include <vos/types.hxx>
+
+namespace vos
+{
+
+/** Interface for a stream of data, on that you can read and write blocks of bytes.
+*/
+class IStream
+{
+public:
+
+    IStream() { }
+    virtual ~IStream() { }
+
+
+    /** Retrieve n bytes from the stream and copy them into pBuffer.
+        @param pBuffer receives the read data.
+        @param n the number of bytes to read. pBuffer must be large enough
+        to hold the n bytes!
+        @return the number of read bytes
+    */
+    virtual sal_Int32 SAL_CALL read(void* pBuffer,
+                         sal_uInt32 n) const= 0;
+
+    /** Write n bytes from pBuffer to the stream.
+        @param pBuffer contains the data to be written.
+        @param n the number of bytes to write.
+        @return the number of written bytes
+    */
+    virtual sal_Int32 SAL_CALL write(const void* pBuffer,
+                          sal_uInt32 n)= 0;
+
+    /** Checks if stream is closed for further reading.
+        @return True is stream has ended (e.g. was closed).
+    */
+    virtual sal_Bool SAL_CALL isEof() const = 0;
+};
+
+}
+
+#endif  // _VOS_ISTREAM_HXX_
+