text
stringlengths 0
234
|
|---|
begin
|
return Integer (Read_U32 (N));
|
end Read;
|
function Read_And_Dump (N : Natural) return Integer is
|
Res : Integer;
|
begin
|
Res := Read (N);
|
Dump (N);
|
return Res;
|
end Read_And_Dump;
|
function Read_And_Dump_U32 (N : Natural) return Unsigned_32 is
|
Res : Unsigned_32;
|
begin
|
Res := Read_U32 (N);
|
Dump (N);
|
return Res;
|
end Read_And_Dump_U32;
|
end Bit_Buffer;
|
procedure Flush (X : Natural) is
|
use Zip;
|
use Ada.Streams;
|
begin
|
begin
|
Blockwrite (Output_Stream_Access.all, Unz_Glob.Slide (0 .. X - 1));
|
exception
|
when others =>
|
raise Unzip.Write_Error;
|
Function Definition: procedure Inflate_Stored_Block is -- Actually, nothing to inflate
|
Function Body: N : Integer;
|
begin
|
Unz_Io.Bit_Buffer.Dump_To_Byte_Boundary;
|
-- Get the block length and its complement
|
N := Unz_Io.Bit_Buffer.Read_And_Dump (16);
|
if N /= Integer ((not Unz_Io.Bit_Buffer.Read_And_Dump_U32 (16)) and 16#ffff#) then
|
raise Zip.Archive_Corrupted;
|
end if;
|
while N > 0 and then not Zip_Eof loop
|
-- Read and output the non-compressed data
|
N := N - 1;
|
Unz_Glob.Slide (Unz_Glob.Slide_Index) :=
|
Zip.Byte (Unz_Io.Bit_Buffer.Read_And_Dump (8));
|
Unz_Glob.Slide_Index := Unz_Glob.Slide_Index + 1;
|
Unz_Io.Flush_If_Full (Unz_Glob.Slide_Index);
|
end loop;
|
end Inflate_Stored_Block;
|
-- Copy lengths for literal codes 257..285
|
Copy_Lengths_Literal : constant Length_Array (0 .. 30) :=
|
(3,
|
4,
|
5,
|
6,
|
7,
|
8,
|
9,
|
10,
|
11,
|
13,
|
15,
|
17,
|
19,
|
23,
|
27,
|
31,
|
35,
|
43,
|
51,
|
59,
|
67,
|
83,
|
99,
|
115,
|
131,
|
163,
|
195,
|
227,
|
258,
|
0,
|
0);
|
-- Extra bits for literal codes 257..285
|
Extra_Bits_Literal : constant Length_Array (0 .. 30) :=
|
(0,
|
0,
|
0,
|
0,
|
0,
|
0,
|
0,
|
0,
|
1,
|
1,
|
1,
|
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