1 files changed, 94 insertions, 0 deletions
diff --git a/ml/dlib/dlib/compress_stream/compress_stream_kernel_abstract.h b/ml/dlib/dlib/compress_stream/compress_stream_kernel_abstract.h
new file mode 100644
index 000000000..48f46d9e1
--- /dev/null
+++ b/ml/dlib/dlib/compress_stream/compress_stream_kernel_abstract.h
@@ -0,0 +1,94 @@
+// Copyright (C) 2003  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+#undef DLIB_COMPRESS_STREAM_KERNEl_ABSTRACT_
+#ifdef DLIB_COMPRESS_STREAM_KERNEl_ABSTRACT_
+
+#include "../algs.h"
+#include <iosfwd>
+
+namespace dlib
+{
+
+    class compress_stream 
+    {
+        /*!
+            INITIAL VALUE
+                This object does not have any state associated with it.
+
+            WHAT THIS OBJECT REPRESENTS
+                This object consists of the two functions compress and decompress.
+                These functions allow you to compress and decompress data.
+        !*/
+
+    public:
+
+        class decompression_error : public dlib::error {};
+
+        compress_stream (
+        );
+        /*!
+            ensures
+                - #*this is properly initialized
+            throws
+                - std::bad_alloc
+        !*/
+
+        virtual ~compress_stream (
+        );
+        /*!
+            ensures
+                - all memory associated with *this has been released
+        !*/
+
+
+        void compress (
+            std::istream& in,
+            std::ostream& out
+        ) const;
+        /*!
+            ensures
+                - reads all data from in (until EOF is reached) and compresses it
+                  and writes it to out
+            throws
+                - std::ios_base::failure
+                    if there was a problem writing to out then this exception will 
+                    be thrown.                      
+                - any other exception
+                    this exception may be thrown if there is any other problem                    
+        !*/
+
+
+        void decompress (
+            std::istream& in,
+            std::ostream& out
+        ) const;
+        /*!
+            ensures
+                - reads data from in, decompresses it and writes it to out.  note that
+                  it stops reading data from in when it encounters the end of the 
+                  compressed data, not when it encounters EOF. 
+            throws
+                - std::ios_base::failure
+                    if there was a problem writing to out then this exception will 
+                    be thrown.           
+                - decompression_error
+                    if an error was detected in the compressed data that prevented
+                    it from being correctly decompressed then this exception is 
+                    thrown.  
+                - any other exception
+                    this exception may be thrown if there is any other problem                    
+        !*/
+
+
+    private:
+
+        // restricted functions
+        compress_stream(compress_stream&);        // copy constructor
+        compress_stream& operator=(compress_stream&);    // assignment operator
+
+    };   
+   
+}
+
+#endif // DLIB_COMPRESS_STREAM_KERNEl_ABSTRACT_
+