Mercurial > hg > CbC > CbC_gcc
annotate zlib/contrib/ada/zlib.adb @ 51:ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Sun, 07 Feb 2010 18:27:48 +0900 |
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rev | line source |
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51
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1 ---------------------------------------------------------------- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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2 -- ZLib for Ada thick binding. -- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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3 -- -- |
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4 -- Copyright (C) 2002-2004 Dmitriy Anisimkov -- |
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5 -- -- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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6 -- Open source license information is in the zlib.ads file. -- |
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7 ---------------------------------------------------------------- |
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8 |
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9 -- $Id: zlib.adb,v 1.31 2004/09/06 06:53:19 vagul Exp $ |
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10 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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11 with Ada.Exceptions; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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12 with Ada.Unchecked_Conversion; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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13 with Ada.Unchecked_Deallocation; |
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14 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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15 with Interfaces.C.Strings; |
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16 |
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17 with ZLib.Thin; |
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18 |
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19 package body ZLib is |
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20 |
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21 use type Thin.Int; |
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22 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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23 type Z_Stream is new Thin.Z_Stream; |
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24 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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25 type Return_Code_Enum is |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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26 (OK, |
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27 STREAM_END, |
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28 NEED_DICT, |
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29 ERRNO, |
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30 STREAM_ERROR, |
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31 DATA_ERROR, |
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32 MEM_ERROR, |
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33 BUF_ERROR, |
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34 VERSION_ERROR); |
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35 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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36 type Flate_Step_Function is access |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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37 function (Strm : in Thin.Z_Streamp; Flush : in Thin.Int) return Thin.Int; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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38 pragma Convention (C, Flate_Step_Function); |
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39 |
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40 type Flate_End_Function is access |
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41 function (Ctrm : in Thin.Z_Streamp) return Thin.Int; |
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42 pragma Convention (C, Flate_End_Function); |
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43 |
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44 type Flate_Type is record |
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45 Step : Flate_Step_Function; |
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46 Done : Flate_End_Function; |
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47 end record; |
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48 |
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49 subtype Footer_Array is Stream_Element_Array (1 .. 8); |
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50 |
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51 Simple_GZip_Header : constant Stream_Element_Array (1 .. 10) |
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52 := (16#1f#, 16#8b#, -- Magic header |
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53 16#08#, -- Z_DEFLATED |
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54 16#00#, -- Flags |
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55 16#00#, 16#00#, 16#00#, 16#00#, -- Time |
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56 16#00#, -- XFlags |
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57 16#03# -- OS code |
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58 ); |
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59 -- The simplest gzip header is not for informational, but just for |
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60 -- gzip format compatibility. |
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61 -- Note that some code below is using assumption |
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62 -- Simple_GZip_Header'Last > Footer_Array'Last, so do not make |
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63 -- Simple_GZip_Header'Last <= Footer_Array'Last. |
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64 |
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65 Return_Code : constant array (Thin.Int range <>) of Return_Code_Enum |
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66 := (0 => OK, |
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67 1 => STREAM_END, |
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68 2 => NEED_DICT, |
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69 -1 => ERRNO, |
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70 -2 => STREAM_ERROR, |
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71 -3 => DATA_ERROR, |
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72 -4 => MEM_ERROR, |
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73 -5 => BUF_ERROR, |
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74 -6 => VERSION_ERROR); |
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75 |
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76 Flate : constant array (Boolean) of Flate_Type |
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77 := (True => (Step => Thin.Deflate'Access, |
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78 Done => Thin.DeflateEnd'Access), |
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79 False => (Step => Thin.Inflate'Access, |
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80 Done => Thin.InflateEnd'Access)); |
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81 |
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82 Flush_Finish : constant array (Boolean) of Flush_Mode |
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83 := (True => Finish, False => No_Flush); |
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84 |
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85 procedure Raise_Error (Stream : in Z_Stream); |
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86 pragma Inline (Raise_Error); |
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87 |
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88 procedure Raise_Error (Message : in String); |
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89 pragma Inline (Raise_Error); |
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90 |
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91 procedure Check_Error (Stream : in Z_Stream; Code : in Thin.Int); |
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92 |
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93 procedure Free is new Ada.Unchecked_Deallocation |
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94 (Z_Stream, Z_Stream_Access); |
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95 |
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96 function To_Thin_Access is new Ada.Unchecked_Conversion |
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97 (Z_Stream_Access, Thin.Z_Streamp); |
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98 |
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99 procedure Translate_GZip |
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100 (Filter : in out Filter_Type; |
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101 In_Data : in Ada.Streams.Stream_Element_Array; |
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102 In_Last : out Ada.Streams.Stream_Element_Offset; |
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103 Out_Data : out Ada.Streams.Stream_Element_Array; |
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104 Out_Last : out Ada.Streams.Stream_Element_Offset; |
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105 Flush : in Flush_Mode); |
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106 -- Separate translate routine for make gzip header. |
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107 |
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parents:
diff
changeset
|
108 procedure Translate_Auto |
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parents:
diff
changeset
|
109 (Filter : in out Filter_Type; |
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parents:
diff
changeset
|
110 In_Data : in Ada.Streams.Stream_Element_Array; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
111 In_Last : out Ada.Streams.Stream_Element_Offset; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
112 Out_Data : out Ada.Streams.Stream_Element_Array; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
113 Out_Last : out Ada.Streams.Stream_Element_Offset; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
114 Flush : in Flush_Mode); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
115 -- translate routine without additional headers. |
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parents:
diff
changeset
|
116 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
117 ----------------- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
118 -- Check_Error -- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
119 ----------------- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
120 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
121 procedure Check_Error (Stream : in Z_Stream; Code : in Thin.Int) is |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
122 use type Thin.Int; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
123 begin |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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|
124 if Code /= Thin.Z_OK then |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
125 Raise_Error |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
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|
126 (Return_Code_Enum'Image (Return_Code (Code)) |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
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|
127 & ": " & Last_Error_Message (Stream)); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
128 end if; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
129 end Check_Error; |
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parents:
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|
130 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
131 ----------- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
132 -- Close -- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
133 ----------- |
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parents:
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changeset
|
134 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
135 procedure Close |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
136 (Filter : in out Filter_Type; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
137 Ignore_Error : in Boolean := False) |
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parents:
diff
changeset
|
138 is |
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parents:
diff
changeset
|
139 Code : Thin.Int; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
140 begin |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
141 if not Ignore_Error and then not Is_Open (Filter) then |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
142 raise Status_Error; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
143 end if; |
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parents:
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changeset
|
144 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
145 Code := Flate (Filter.Compression).Done (To_Thin_Access (Filter.Strm)); |
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parents:
diff
changeset
|
146 |
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parents:
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changeset
|
147 if Ignore_Error or else Code = Thin.Z_OK then |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
148 Free (Filter.Strm); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
149 else |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
150 declare |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
151 Error_Message : constant String |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
152 := Last_Error_Message (Filter.Strm.all); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
153 begin |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
154 Free (Filter.Strm); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
155 Ada.Exceptions.Raise_Exception |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
156 (ZLib_Error'Identity, |
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parents:
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changeset
|
157 Return_Code_Enum'Image (Return_Code (Code)) |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
158 & ": " & Error_Message); |
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parents:
diff
changeset
|
159 end; |
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parents:
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changeset
|
160 end if; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
161 end Close; |
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parents:
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changeset
|
162 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
163 ----------- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
164 -- CRC32 -- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
165 ----------- |
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parents:
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changeset
|
166 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
167 function CRC32 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
168 (CRC : in Unsigned_32; |
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parents:
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changeset
|
169 Data : in Ada.Streams.Stream_Element_Array) |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
170 return Unsigned_32 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
171 is |
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changeset
|
172 use Thin; |
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parents:
diff
changeset
|
173 begin |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
174 return Unsigned_32 (crc32 (ULong (CRC), |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
175 Data'Address, |
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parents:
diff
changeset
|
176 Data'Length)); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
177 end CRC32; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
178 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
179 procedure CRC32 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
180 (CRC : in out Unsigned_32; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
181 Data : in Ada.Streams.Stream_Element_Array) is |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
182 begin |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
183 CRC := CRC32 (CRC, Data); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
184 end CRC32; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
185 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
186 ------------------ |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
187 -- Deflate_Init -- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
188 ------------------ |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
189 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
190 procedure Deflate_Init |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
191 (Filter : in out Filter_Type; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
192 Level : in Compression_Level := Default_Compression; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
193 Strategy : in Strategy_Type := Default_Strategy; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
194 Method : in Compression_Method := Deflated; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
195 Window_Bits : in Window_Bits_Type := Default_Window_Bits; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
196 Memory_Level : in Memory_Level_Type := Default_Memory_Level; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
197 Header : in Header_Type := Default) |
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parents:
diff
changeset
|
198 is |
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parents:
diff
changeset
|
199 use type Thin.Int; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
200 Win_Bits : Thin.Int := Thin.Int (Window_Bits); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
201 begin |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
202 if Is_Open (Filter) then |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
203 raise Status_Error; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
204 end if; |
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parents:
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changeset
|
205 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
206 -- We allow ZLib to make header only in case of default header type. |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
207 -- Otherwise we would either do header by ourselfs, or do not do |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
208 -- header at all. |
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parents:
diff
changeset
|
209 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
210 if Header = None or else Header = GZip then |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
211 Win_Bits := -Win_Bits; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
212 end if; |
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parents:
diff
changeset
|
213 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
214 -- For the GZip CRC calculation and make headers. |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
215 |
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parents:
diff
changeset
|
216 if Header = GZip then |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
217 Filter.CRC := 0; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
218 Filter.Offset := Simple_GZip_Header'First; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
219 else |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
220 Filter.Offset := Simple_GZip_Header'Last + 1; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
221 end if; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
222 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
223 Filter.Strm := new Z_Stream; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
224 Filter.Compression := True; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
225 Filter.Stream_End := False; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
226 Filter.Header := Header; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
227 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
228 if Thin.Deflate_Init |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
229 (To_Thin_Access (Filter.Strm), |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
230 Level => Thin.Int (Level), |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
231 method => Thin.Int (Method), |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
232 windowBits => Win_Bits, |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
233 memLevel => Thin.Int (Memory_Level), |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
234 strategy => Thin.Int (Strategy)) /= Thin.Z_OK |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
235 then |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
236 Raise_Error (Filter.Strm.all); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
237 end if; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
238 end Deflate_Init; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
239 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
240 ----------- |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
241 -- Flush -- |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
242 ----------- |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
243 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
244 procedure Flush |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
245 (Filter : in out Filter_Type; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
246 Out_Data : out Ada.Streams.Stream_Element_Array; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
247 Out_Last : out Ada.Streams.Stream_Element_Offset; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
248 Flush : in Flush_Mode) |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
249 is |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
250 No_Data : Stream_Element_Array := (1 .. 0 => 0); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
251 Last : Stream_Element_Offset; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
252 begin |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
253 Translate (Filter, No_Data, Last, Out_Data, Out_Last, Flush); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
254 end Flush; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
255 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
256 ----------------------- |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
257 -- Generic_Translate -- |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
258 ----------------------- |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
259 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
260 procedure Generic_Translate |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
261 (Filter : in out ZLib.Filter_Type; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
262 In_Buffer_Size : in Integer := Default_Buffer_Size; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
263 Out_Buffer_Size : in Integer := Default_Buffer_Size) |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
264 is |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
265 In_Buffer : Stream_Element_Array |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
266 (1 .. Stream_Element_Offset (In_Buffer_Size)); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
267 Out_Buffer : Stream_Element_Array |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
268 (1 .. Stream_Element_Offset (Out_Buffer_Size)); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
269 Last : Stream_Element_Offset; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
270 In_Last : Stream_Element_Offset; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
271 In_First : Stream_Element_Offset; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
272 Out_Last : Stream_Element_Offset; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
273 begin |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
274 Main : loop |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
275 Data_In (In_Buffer, Last); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
276 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
277 In_First := In_Buffer'First; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
278 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
279 loop |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
280 Translate |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
281 (Filter => Filter, |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
282 In_Data => In_Buffer (In_First .. Last), |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
283 In_Last => In_Last, |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
284 Out_Data => Out_Buffer, |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
285 Out_Last => Out_Last, |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
286 Flush => Flush_Finish (Last < In_Buffer'First)); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
287 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
288 if Out_Buffer'First <= Out_Last then |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
289 Data_Out (Out_Buffer (Out_Buffer'First .. Out_Last)); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
290 end if; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
291 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
292 exit Main when Stream_End (Filter); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
293 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
294 -- The end of in buffer. |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
295 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
296 exit when In_Last = Last; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
297 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
298 In_First := In_Last + 1; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
299 end loop; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
300 end loop Main; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
301 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
302 end Generic_Translate; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
303 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
304 ------------------ |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
305 -- Inflate_Init -- |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
306 ------------------ |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
307 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
308 procedure Inflate_Init |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
309 (Filter : in out Filter_Type; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
310 Window_Bits : in Window_Bits_Type := Default_Window_Bits; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
311 Header : in Header_Type := Default) |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
312 is |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
313 use type Thin.Int; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
314 Win_Bits : Thin.Int := Thin.Int (Window_Bits); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
315 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
316 procedure Check_Version; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
317 -- Check the latest header types compatibility. |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
318 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
319 procedure Check_Version is |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
320 begin |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
321 if Version <= "1.1.4" then |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
322 Raise_Error |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
323 ("Inflate header type " & Header_Type'Image (Header) |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
324 & " incompatible with ZLib version " & Version); |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
325 end if; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
326 end Check_Version; |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
327 |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
328 begin |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
329 if Is_Open (Filter) then |
ae3a4bfb450b
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
330 raise Status_Error; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
331 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
332 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
333 case Header is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
334 when None => |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
335 Check_Version; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
336 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
337 -- Inflate data without headers determined |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
338 -- by negative Win_Bits. |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
339 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
340 Win_Bits := -Win_Bits; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
341 when GZip => |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
342 Check_Version; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
343 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
344 -- Inflate gzip data defined by flag 16. |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
345 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
346 Win_Bits := Win_Bits + 16; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
347 when Auto => |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
348 Check_Version; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
349 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
350 -- Inflate with automatic detection |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
351 -- of gzip or native header defined by flag 32. |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
352 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
353 Win_Bits := Win_Bits + 32; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
354 when Default => null; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
355 end case; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
356 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
357 Filter.Strm := new Z_Stream; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
358 Filter.Compression := False; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
359 Filter.Stream_End := False; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
360 Filter.Header := Header; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
361 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
362 if Thin.Inflate_Init |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
363 (To_Thin_Access (Filter.Strm), Win_Bits) /= Thin.Z_OK |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
364 then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
365 Raise_Error (Filter.Strm.all); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
366 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
367 end Inflate_Init; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
368 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
369 ------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
370 -- Is_Open -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
371 ------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
372 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
373 function Is_Open (Filter : in Filter_Type) return Boolean is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
374 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
375 return Filter.Strm /= null; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
376 end Is_Open; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
377 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
378 ----------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
379 -- Raise_Error -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
380 ----------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
381 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
382 procedure Raise_Error (Message : in String) is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
383 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
384 Ada.Exceptions.Raise_Exception (ZLib_Error'Identity, Message); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
385 end Raise_Error; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
386 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
387 procedure Raise_Error (Stream : in Z_Stream) is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
388 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
389 Raise_Error (Last_Error_Message (Stream)); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
390 end Raise_Error; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
391 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
392 ---------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
393 -- Read -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
394 ---------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
395 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
396 procedure Read |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
397 (Filter : in out Filter_Type; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
398 Item : out Ada.Streams.Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
399 Last : out Ada.Streams.Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
400 Flush : in Flush_Mode := No_Flush) |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
401 is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
402 In_Last : Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
403 Item_First : Ada.Streams.Stream_Element_Offset := Item'First; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
404 V_Flush : Flush_Mode := Flush; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
405 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
406 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
407 pragma Assert (Rest_First in Buffer'First .. Buffer'Last + 1); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
408 pragma Assert (Rest_Last in Buffer'First - 1 .. Buffer'Last); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
409 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
410 loop |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
411 if Rest_Last = Buffer'First - 1 then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
412 V_Flush := Finish; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
413 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
414 elsif Rest_First > Rest_Last then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
415 Read (Buffer, Rest_Last); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
416 Rest_First := Buffer'First; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
417 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
418 if Rest_Last < Buffer'First then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
419 V_Flush := Finish; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
420 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
421 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
422 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
423 Translate |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
424 (Filter => Filter, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
425 In_Data => Buffer (Rest_First .. Rest_Last), |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
426 In_Last => In_Last, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
427 Out_Data => Item (Item_First .. Item'Last), |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
428 Out_Last => Last, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
429 Flush => V_Flush); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
430 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
431 Rest_First := In_Last + 1; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
432 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
433 exit when Stream_End (Filter) |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
434 or else Last = Item'Last |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
435 or else (Last >= Item'First and then Allow_Read_Some); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
436 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
437 Item_First := Last + 1; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
438 end loop; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
439 end Read; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
440 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
441 ---------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
442 -- Stream_End -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
443 ---------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
444 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 function Stream_End (Filter : in Filter_Type) return Boolean is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
446 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 if Filter.Header = GZip and Filter.Compression then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
448 return Filter.Stream_End |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
449 and then Filter.Offset = Footer_Array'Last + 1; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
450 else |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
451 return Filter.Stream_End; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 end Stream_End; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 -------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456 -- Total_In -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
457 -------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
458 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 function Total_In (Filter : in Filter_Type) return Count is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
461 return Count (Thin.Total_In (To_Thin_Access (Filter.Strm).all)); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
462 end Total_In; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
463 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
464 --------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
465 -- Total_Out -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
466 --------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
467 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
468 function Total_Out (Filter : in Filter_Type) return Count is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
469 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
470 return Count (Thin.Total_Out (To_Thin_Access (Filter.Strm).all)); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 end Total_Out; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
473 --------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474 -- Translate -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 --------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
476 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
477 procedure Translate |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
478 (Filter : in out Filter_Type; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
479 In_Data : in Ada.Streams.Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
480 In_Last : out Ada.Streams.Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
481 Out_Data : out Ada.Streams.Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
482 Out_Last : out Ada.Streams.Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 Flush : in Flush_Mode) is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 if Filter.Header = GZip and then Filter.Compression then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
486 Translate_GZip |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487 (Filter => Filter, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 In_Data => In_Data, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 In_Last => In_Last, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
490 Out_Data => Out_Data, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 Out_Last => Out_Last, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
492 Flush => Flush); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
493 else |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
494 Translate_Auto |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495 (Filter => Filter, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
496 In_Data => In_Data, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
497 In_Last => In_Last, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
498 Out_Data => Out_Data, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
499 Out_Last => Out_Last, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
500 Flush => Flush); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
501 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 end Translate; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
503 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
504 -------------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
505 -- Translate_Auto -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
506 -------------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
507 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 procedure Translate_Auto |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
509 (Filter : in out Filter_Type; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
510 In_Data : in Ada.Streams.Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
511 In_Last : out Ada.Streams.Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512 Out_Data : out Ada.Streams.Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
513 Out_Last : out Ada.Streams.Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 Flush : in Flush_Mode) |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515 is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 use type Thin.Int; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
517 Code : Thin.Int; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
518 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
519 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
520 if not Is_Open (Filter) then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
521 raise Status_Error; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
522 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
523 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
524 if Out_Data'Length = 0 and then In_Data'Length = 0 then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
525 raise Constraint_Error; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
526 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
527 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
528 Set_Out (Filter.Strm.all, Out_Data'Address, Out_Data'Length); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
529 Set_In (Filter.Strm.all, In_Data'Address, In_Data'Length); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
530 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
531 Code := Flate (Filter.Compression).Step |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
532 (To_Thin_Access (Filter.Strm), |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
533 Thin.Int (Flush)); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
534 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
535 if Code = Thin.Z_STREAM_END then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
536 Filter.Stream_End := True; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 else |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
538 Check_Error (Filter.Strm.all, Code); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
539 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
540 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 In_Last := In_Data'Last |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542 - Stream_Element_Offset (Avail_In (Filter.Strm.all)); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 Out_Last := Out_Data'Last |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 - Stream_Element_Offset (Avail_Out (Filter.Strm.all)); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
545 end Translate_Auto; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
546 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
547 -------------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
548 -- Translate_GZip -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
549 -------------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
550 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
551 procedure Translate_GZip |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
552 (Filter : in out Filter_Type; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
553 In_Data : in Ada.Streams.Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
554 In_Last : out Ada.Streams.Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
555 Out_Data : out Ada.Streams.Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
556 Out_Last : out Ada.Streams.Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
557 Flush : in Flush_Mode) |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
558 is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
559 Out_First : Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
560 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
561 procedure Add_Data (Data : in Stream_Element_Array); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
562 -- Add data to stream from the Filter.Offset till necessary, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
563 -- used for add gzip headr/footer. |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
564 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
565 procedure Put_32 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
566 (Item : in out Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
567 Data : in Unsigned_32); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
568 pragma Inline (Put_32); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
569 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
570 -------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
571 -- Add_Data -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
572 -------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
573 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
574 procedure Add_Data (Data : in Stream_Element_Array) is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
575 Data_First : Stream_Element_Offset renames Filter.Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
576 Data_Last : Stream_Element_Offset; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
577 Data_Len : Stream_Element_Offset; -- -1 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
578 Out_Len : Stream_Element_Offset; -- -1 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
579 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
580 Out_First := Out_Last + 1; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
581 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
582 if Data_First > Data'Last then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
583 return; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
584 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
585 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
586 Data_Len := Data'Last - Data_First; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
587 Out_Len := Out_Data'Last - Out_First; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
588 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
589 if Data_Len <= Out_Len then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
590 Out_Last := Out_First + Data_Len; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
591 Data_Last := Data'Last; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
592 else |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
593 Out_Last := Out_Data'Last; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
594 Data_Last := Data_First + Out_Len; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
595 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
596 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
597 Out_Data (Out_First .. Out_Last) := Data (Data_First .. Data_Last); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
598 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
599 Data_First := Data_Last + 1; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
600 Out_First := Out_Last + 1; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
601 end Add_Data; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
602 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
603 ------------ |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
604 -- Put_32 -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
605 ------------ |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
606 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
607 procedure Put_32 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
608 (Item : in out Stream_Element_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
609 Data : in Unsigned_32) |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
610 is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
611 D : Unsigned_32 := Data; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
612 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
613 for J in Item'First .. Item'First + 3 loop |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
614 Item (J) := Stream_Element (D and 16#FF#); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
615 D := Shift_Right (D, 8); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
616 end loop; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
617 end Put_32; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
618 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
619 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
620 Out_Last := Out_Data'First - 1; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
621 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
622 if not Filter.Stream_End then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
623 Add_Data (Simple_GZip_Header); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
624 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
625 Translate_Auto |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
626 (Filter => Filter, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
627 In_Data => In_Data, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
628 In_Last => In_Last, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
629 Out_Data => Out_Data (Out_First .. Out_Data'Last), |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
630 Out_Last => Out_Last, |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
631 Flush => Flush); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
632 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
633 CRC32 (Filter.CRC, In_Data (In_Data'First .. In_Last)); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
634 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
635 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
636 if Filter.Stream_End and then Out_Last <= Out_Data'Last then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
637 -- This detection method would work only when |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
638 -- Simple_GZip_Header'Last > Footer_Array'Last |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
639 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
640 if Filter.Offset = Simple_GZip_Header'Last + 1 then |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
641 Filter.Offset := Footer_Array'First; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
642 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
643 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
644 declare |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
645 Footer : Footer_Array; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
646 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
647 Put_32 (Footer, Filter.CRC); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
648 Put_32 (Footer (Footer'First + 4 .. Footer'Last), |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
649 Unsigned_32 (Total_In (Filter))); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
650 Add_Data (Footer); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
651 end; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
652 end if; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
653 end Translate_GZip; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
654 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
655 ------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
656 -- Version -- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
657 ------------- |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
658 |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
659 function Version return String is |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
660 begin |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
661 return Interfaces.C.Strings.Value (Thin.zlibVersion); |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
662 end Version; |
ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
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663 |
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664 ----------- |
ae3a4bfb450b
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665 -- Write -- |
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666 ----------- |
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667 |
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668 procedure Write |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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669 (Filter : in out Filter_Type; |
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670 Item : in Ada.Streams.Stream_Element_Array; |
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671 Flush : in Flush_Mode := No_Flush) |
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672 is |
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673 Buffer : Stream_Element_Array (1 .. Buffer_Size); |
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674 In_Last : Stream_Element_Offset; |
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675 Out_Last : Stream_Element_Offset; |
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676 In_First : Stream_Element_Offset := Item'First; |
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parents:
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677 begin |
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678 if Item'Length = 0 and Flush = No_Flush then |
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679 return; |
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680 end if; |
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681 |
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parents:
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|
682 loop |
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683 Translate |
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684 (Filter => Filter, |
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parents:
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685 In_Data => Item (In_First .. Item'Last), |
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parents:
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686 In_Last => In_Last, |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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687 Out_Data => Buffer, |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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|
688 Out_Last => Out_Last, |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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689 Flush => Flush); |
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parents:
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|
690 |
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parents:
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|
691 if Out_Last >= Buffer'First then |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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|
692 Write (Buffer (1 .. Out_Last)); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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693 end if; |
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parents:
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694 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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|
695 exit when In_Last = Item'Last or Stream_End (Filter); |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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|
696 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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|
697 In_First := In_Last + 1; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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698 end loop; |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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|
699 end Write; |
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parents:
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|
700 |
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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|
701 end ZLib; |