text stringlengths 0 234 |
|---|
is |
S : Unsigned_32; |
E, N, D : Integer; |
W : Integer := 0; |
Ct : p_HufT_table; -- current table |
Ci : Natural; -- current index |
unflushed : Boolean := True; -- true while slide not yet unflushed |
begin |
if full_trace then |
pragma Warnings (Off, "this code can never be executed and has been deleted"); |
Ada.Text_IO.Put_Line ("Begin Explode_nolit"); |
pragma Warnings (On, "this code can never be executed and has been deleted"); |
end if; |
UnZ_IO.Bit_buffer.Init; |
S := UnZ_Glob.uncompsize; |
while S > 0 and then not UnZ_Glob.Zip_EOF loop |
if UnZ_IO.Bit_buffer.Read_and_dump (1) /= 0 then -- 1 : Litteral |
S := S - 1; |
UnZ_Glob.slide (W) := |
Zip.Byte (UnZ_IO.Bit_buffer.Read_and_dump (8)); |
W := W + 1; |
UnZ_IO.Flush_if_full (W, unflushed); |
else -- 0 : Copy |
D := UnZ_IO.Bit_buffer.Read_and_dump (Needed); |
Ct := Td.all.table; |
Ci := UnZ_IO.Bit_buffer.Read_inverted (Bd); |
loop |
E := Ct.all (Ci).extra_bits; |
exit when E <= 16; |
if E = invalid then |
raise Zip.Zip_file_Error; |
end if; |
UnZ_IO.Bit_buffer.Dump (Ct.all (Ci).bits); |
E := E - 16; |
Ct := Ct.all (Ci).next_table; |
Ci := UnZ_IO.Bit_buffer.Read_inverted (E); |
end loop; |
UnZ_IO.Bit_buffer.Dump (Ct.all (Ci).bits); |
D := D + Ct.all (Ci).n; |
Ct := Tl.all.table; |
Ci := UnZ_IO.Bit_buffer.Read_inverted (Bl); |
loop |
E := Ct.all (Ci).extra_bits; |
exit when E <= 16; |
if E = invalid then |
raise Zip.Zip_file_Error; |
end if; |
UnZ_IO.Bit_buffer.Dump (Ct.all (Ci).bits); |
E := E - 16; |
Ct := Ct.all (Ci).next_table; |
Ci := UnZ_IO.Bit_buffer.Read_inverted (E); |
end loop; |
UnZ_IO.Bit_buffer.Dump (Ct.all (Ci).bits); |
N := Ct.all (Ci).n; |
if E /= 0 then |
N := N + UnZ_IO.Bit_buffer.Read_and_dump (8); |
end if; |
S := S - Unsigned_32 (N); |
UnZ_IO.Copy_or_zero ( |
distance => D, |
copy_length => N, |
index => W, |
unflushed => unflushed |
); |
end if; |
end loop; |
UnZ_IO.Flush (W); |
if UnZ_Glob.Zip_EOF then |
raise UnZip.Read_Error; |
end if; |
if full_trace then |
pragma Warnings (Off, "this code can never be executed and has been deleted"); |
Ada.Text_IO.Put_Line ("End Explode_nolit"); |
pragma Warnings (On, "this code can never be executed and has been deleted"); |
end if; |
end Explode_Nolit; |
procedure Explode (literal_tree, slide_8_KB : Boolean) is |
Tb, Tl, Td : p_Table_list; |
Bb, Bl, Bd : Integer; |
L : Length_array (0 .. 255); |
huft_incomplete : Boolean; |
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