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Diffstat (limited to 'cpukit/zlib/contrib/ada/zlib-streams.ads')
| -rw-r--r-- | cpukit/zlib/contrib/ada/zlib-streams.ads | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/cpukit/zlib/contrib/ada/zlib-streams.ads b/cpukit/zlib/contrib/ada/zlib-streams.ads deleted file mode 100644 index 7dcbf7e8b6..0000000000 --- a/cpukit/zlib/contrib/ada/zlib-streams.ads +++ /dev/null @@ -1,114 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2003 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- - --- $Id$ - -package ZLib.Streams is - - type Stream_Mode is (In_Stream, Out_Stream, Duplex); - - type Stream_Access is access all Ada.Streams.Root_Stream_Type'Class; - - type Stream_Type is - new Ada.Streams.Root_Stream_Type with private; - - procedure Read - (Stream : in out Stream_Type; - Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset); - - procedure Write - (Stream : in out Stream_Type; - Item : in Ada.Streams.Stream_Element_Array); - - procedure Flush - (Stream : in out Stream_Type; - Mode : in Flush_Mode := Sync_Flush); - -- Flush the written data to the back stream, - -- all data placed to the compressor is flushing to the Back stream. - -- Should not be used untill necessary, becouse it is decreasing - -- compression. - - function Read_Total_In (Stream : in Stream_Type) return Count; - pragma Inline (Read_Total_In); - -- Return total number of bytes read from back stream so far. - - function Read_Total_Out (Stream : in Stream_Type) return Count; - pragma Inline (Read_Total_Out); - -- Return total number of bytes read so far. - - function Write_Total_In (Stream : in Stream_Type) return Count; - pragma Inline (Write_Total_In); - -- Return total number of bytes written so far. - - function Write_Total_Out (Stream : in Stream_Type) return Count; - pragma Inline (Write_Total_Out); - -- Return total number of bytes written to the back stream. - - procedure Create - (Stream : out Stream_Type; - Mode : in Stream_Mode; - Back : in Stream_Access; - Back_Compressed : in Boolean; - Level : in Compression_Level := Default_Compression; - Strategy : in Strategy_Type := Default_Strategy; - Header : in Header_Type := Default; - Read_Buffer_Size : in Ada.Streams.Stream_Element_Offset - := Default_Buffer_Size; - Write_Buffer_Size : in Ada.Streams.Stream_Element_Offset - := Default_Buffer_Size); - -- Create the Comression/Decompression stream. - -- If mode is In_Stream then Write operation is disabled. - -- If mode is Out_Stream then Read operation is disabled. - - -- If Back_Compressed is true then - -- Data written to the Stream is compressing to the Back stream - -- and data read from the Stream is decompressed data from the Back stream. - - -- If Back_Compressed is false then - -- Data written to the Stream is decompressing to the Back stream - -- and data read from the Stream is compressed data from the Back stream. - - -- !!! When the Need_Header is False ZLib-Ada is using undocumented - -- ZLib 1.1.4 functionality to do not create/wait for ZLib headers. - - function Is_Open (Stream : Stream_Type) return Boolean; - - procedure Close (Stream : in out Stream_Type); - -private - - use Ada.Streams; - - type Buffer_Access is access all Stream_Element_Array; - - type Stream_Type - is new Root_Stream_Type with - record - Mode : Stream_Mode; - - Buffer : Buffer_Access; - Rest_First : Stream_Element_Offset; - Rest_Last : Stream_Element_Offset; - -- Buffer for Read operation. - -- We need to have this buffer in the record - -- becouse not all read data from back stream - -- could be processed during the read operation. - - Buffer_Size : Stream_Element_Offset; - -- Buffer size for write operation. - -- We do not need to have this buffer - -- in the record becouse all data could be - -- processed in the write operation. - - Back : Stream_Access; - Reader : Filter_Type; - Writer : Filter_Type; - end record; - -end ZLib.Streams; |