From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- zlib/contrib/ada/zlib-streams.adb | 225 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 225 insertions(+) create mode 100644 zlib/contrib/ada/zlib-streams.adb (limited to 'zlib/contrib/ada/zlib-streams.adb') diff --git a/zlib/contrib/ada/zlib-streams.adb b/zlib/contrib/ada/zlib-streams.adb new file mode 100644 index 000000000..b6497bae2 --- /dev/null +++ b/zlib/contrib/ada/zlib-streams.adb @@ -0,0 +1,225 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2003 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- + +-- $Id: zlib-streams.adb,v 1.10 2004/05/31 10:53:40 vagul Exp $ + +with Ada.Unchecked_Deallocation; + +package body ZLib.Streams is + + ----------- + -- Close -- + ----------- + + procedure Close (Stream : in out Stream_Type) is + procedure Free is new Ada.Unchecked_Deallocation + (Stream_Element_Array, Buffer_Access); + begin + if Stream.Mode = Out_Stream or Stream.Mode = Duplex then + -- We should flush the data written by the writer. + + Flush (Stream, Finish); + + Close (Stream.Writer); + end if; + + if Stream.Mode = In_Stream or Stream.Mode = Duplex then + Close (Stream.Reader); + Free (Stream.Buffer); + end if; + end Close; + + ------------ + -- Create -- + ------------ + + 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) + is + + subtype Buffer_Subtype is Stream_Element_Array (1 .. Read_Buffer_Size); + + procedure Init_Filter + (Filter : in out Filter_Type; + Compress : in Boolean); + + ----------------- + -- Init_Filter -- + ----------------- + + procedure Init_Filter + (Filter : in out Filter_Type; + Compress : in Boolean) is + begin + if Compress then + Deflate_Init + (Filter, Level, Strategy, Header => Header); + else + Inflate_Init (Filter, Header => Header); + end if; + end Init_Filter; + + begin + Stream.Back := Back; + Stream.Mode := Mode; + + if Mode = Out_Stream or Mode = Duplex then + Init_Filter (Stream.Writer, Back_Compressed); + Stream.Buffer_Size := Write_Buffer_Size; + else + Stream.Buffer_Size := 0; + end if; + + if Mode = In_Stream or Mode = Duplex then + Init_Filter (Stream.Reader, not Back_Compressed); + + Stream.Buffer := new Buffer_Subtype; + Stream.Rest_First := Stream.Buffer'Last + 1; + Stream.Rest_Last := Stream.Buffer'Last; + end if; + end Create; + + ----------- + -- Flush -- + ----------- + + procedure Flush + (Stream : in out Stream_Type; + Mode : in Flush_Mode := Sync_Flush) + is + Buffer : Stream_Element_Array (1 .. Stream.Buffer_Size); + Last : Stream_Element_Offset; + begin + loop + Flush (Stream.Writer, Buffer, Last, Mode); + + Ada.Streams.Write (Stream.Back.all, Buffer (1 .. Last)); + + exit when Last < Buffer'Last; + end loop; + end Flush; + + ------------- + -- Is_Open -- + ------------- + + function Is_Open (Stream : Stream_Type) return Boolean is + begin + return Is_Open (Stream.Reader) or else Is_Open (Stream.Writer); + end Is_Open; + + ---------- + -- Read -- + ---------- + + procedure Read + (Stream : in out Stream_Type; + Item : out Stream_Element_Array; + Last : out Stream_Element_Offset) + is + + procedure Read + (Item : out Stream_Element_Array; + Last : out Stream_Element_Offset); + + ---------- + -- Read -- + ---------- + + procedure Read + (Item : out Stream_Element_Array; + Last : out Stream_Element_Offset) is + begin + Ada.Streams.Read (Stream.Back.all, Item, Last); + end Read; + + procedure Read is new ZLib.Read + (Read => Read, + Buffer => Stream.Buffer.all, + Rest_First => Stream.Rest_First, + Rest_Last => Stream.Rest_Last); + + begin + Read (Stream.Reader, Item, Last); + end Read; + + ------------------- + -- Read_Total_In -- + ------------------- + + function Read_Total_In (Stream : in Stream_Type) return Count is + begin + return Total_In (Stream.Reader); + end Read_Total_In; + + -------------------- + -- Read_Total_Out -- + -------------------- + + function Read_Total_Out (Stream : in Stream_Type) return Count is + begin + return Total_Out (Stream.Reader); + end Read_Total_Out; + + ----------- + -- Write -- + ----------- + + procedure Write + (Stream : in out Stream_Type; + Item : in Stream_Element_Array) + is + + procedure Write (Item : in Stream_Element_Array); + + ----------- + -- Write -- + ----------- + + procedure Write (Item : in Stream_Element_Array) is + begin + Ada.Streams.Write (Stream.Back.all, Item); + end Write; + + procedure Write is new ZLib.Write + (Write => Write, + Buffer_Size => Stream.Buffer_Size); + + begin + Write (Stream.Writer, Item, No_Flush); + end Write; + + -------------------- + -- Write_Total_In -- + -------------------- + + function Write_Total_In (Stream : in Stream_Type) return Count is + begin + return Total_In (Stream.Writer); + end Write_Total_In; + + --------------------- + -- Write_Total_Out -- + --------------------- + + function Write_Total_Out (Stream : in Stream_Type) return Count is + begin + return Total_Out (Stream.Writer); + end Write_Total_Out; + +end ZLib.Streams; -- cgit v1.2.3