|
111
|
1 -- FDD2A00.A
|
|
|
2 --
|
|
|
3 -- Grant of Unlimited Rights
|
|
|
4 --
|
|
|
5 -- The Ada Conformity Assessment Authority (ACAA) holds unlimited
|
|
|
6 -- rights in the software and documentation contained herein. Unlimited
|
|
|
7 -- rights are the same as those granted by the U.S. Government for older
|
|
|
8 -- parts of the Ada Conformity Assessment Test Suite, and are defined
|
|
|
9 -- in DFAR 252.227-7013(a)(19). By making this public release, the ACAA
|
|
|
10 -- intends to confer upon all recipients unlimited rights equal to those
|
|
|
11 -- held by the ACAA. These rights include rights to use, duplicate,
|
|
|
12 -- release or disclose the released technical data and computer software
|
|
|
13 -- in whole or in part, in any manner and for any purpose whatsoever, and
|
|
|
14 -- to have or permit others to do so.
|
|
|
15 --
|
|
|
16 -- DISCLAIMER
|
|
|
17 --
|
|
|
18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
|
|
|
19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
|
|
|
20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
|
|
|
21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
|
|
|
22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
|
|
|
23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
|
|
|
24 --
|
|
|
25 --
|
|
|
26 -- FOUNDATION DESCRIPTION:
|
|
|
27 -- This foundation provides the basis for testing user-defined stream
|
|
|
28 -- attributes. It provides operations which count calls to stream
|
|
|
29 -- attributes.
|
|
|
30 --
|
|
|
31 -- CHANGE HISTORY:
|
|
|
32 -- 30 JUL 2001 PHL Initial version.
|
|
|
33 -- 5 DEC 2001 RLB Reformatted for ACATS.
|
|
|
34 --
|
|
|
35
|
|
|
36 with Ada.Streams;
|
|
|
37 use Ada.Streams;
|
|
|
38 package FDD2A00 is
|
|
|
39
|
|
|
40 type Kinds is (Read, Write, Input, Output);
|
|
|
41 type Counts is array (Kinds) of Natural;
|
|
|
42
|
|
|
43
|
|
|
44 type My_Stream (Size : Stream_Element_Count) is new Root_Stream_Type with
|
|
|
45 record
|
|
|
46 First : Stream_Element_Offset := 1;
|
|
|
47 Last : Stream_Element_Offset := 0;
|
|
|
48 Contents : Stream_Element_Array (1 .. Size);
|
|
|
49 end record;
|
|
|
50
|
|
|
51 procedure Clear (Stream : in out My_Stream);
|
|
|
52
|
|
|
53 procedure Read (Stream : in out My_Stream;
|
|
|
54 Item : out Stream_Element_Array;
|
|
|
55 Last : out Stream_Element_Offset);
|
|
|
56
|
|
|
57 procedure Write (Stream : in out My_Stream; Item : in Stream_Element_Array);
|
|
|
58
|
|
|
59
|
|
|
60 generic
|
|
|
61 type T (<>) is limited private;
|
|
|
62 with procedure Actual_Write
|
|
|
63 (Stream : access Root_Stream_Type'Class; Item : T);
|
|
|
64 with function Actual_Input
|
|
|
65 (Stream : access Root_Stream_Type'Class) return T;
|
|
|
66 with procedure Actual_Read (Stream : access Root_Stream_Type'Class;
|
|
|
67 Item : out T);
|
|
|
68 with procedure Actual_Output
|
|
|
69 (Stream : access Root_Stream_Type'Class; Item : T);
|
|
|
70 package Counting_Stream_Ops is
|
|
|
71
|
|
|
72 procedure Write (Stream : access Root_Stream_Type'Class; Item : T);
|
|
|
73 function Input (Stream : access Root_Stream_Type'Class) return T;
|
|
|
74 procedure Read (Stream : access Root_Stream_Type'Class; Item : out T);
|
|
|
75 procedure Output (Stream : access Root_Stream_Type'Class; Item : T);
|
|
|
76
|
|
|
77 function Get_Counts return Counts;
|
|
|
78
|
|
|
79 end Counting_Stream_Ops;
|
|
|
80
|
|
|
81 end FDD2A00;
|
|
|
82 package body FDD2A00 is
|
|
|
83
|
|
|
84 procedure Clear (Stream : in out My_Stream) is
|
|
|
85 begin
|
|
|
86 Stream.First := 1;
|
|
|
87 Stream.Last := 0;
|
|
|
88 end Clear;
|
|
|
89
|
|
|
90 procedure Read (Stream : in out My_Stream;
|
|
|
91 Item : out Stream_Element_Array;
|
|
|
92 Last : out Stream_Element_Offset) is
|
|
|
93 begin
|
|
|
94 if Item'Length >= Stream.Last - Stream.First + 1 then
|
|
|
95 Item (Item'First .. Item'First + Stream.Last - Stream.First) :=
|
|
|
96 Stream.Contents (Stream.First .. Stream.Last);
|
|
|
97 Last := Item'First + Stream.Last - Stream.First;
|
|
|
98 Stream.First := Stream.Last + 1;
|
|
|
99 else
|
|
|
100 Item := Stream.Contents (Stream.First ..
|
|
|
101 Stream.First + Item'Length - 1);
|
|
|
102 Last := Item'Last;
|
|
|
103 Stream.First := Stream.First + Item'Length;
|
|
|
104 end if;
|
|
|
105 end Read;
|
|
|
106
|
|
|
107 procedure Write (Stream : in out My_Stream;
|
|
|
108 Item : in Stream_Element_Array) is
|
|
|
109 begin
|
|
|
110 Stream.Contents (Stream.Last + 1 .. Stream.Last + Item'Length) := Item;
|
|
|
111 Stream.Last := Stream.Last + Item'Length;
|
|
|
112 end Write;
|
|
|
113
|
|
|
114
|
|
|
115 package body Counting_Stream_Ops is
|
|
|
116 Cnts : Counts := (others => 0);
|
|
|
117
|
|
|
118 procedure Write (Stream : access Root_Stream_Type'Class; Item : T) is
|
|
|
119 begin
|
|
|
120 Cnts (Write) := Cnts (Write) + 1;
|
|
|
121 Actual_Write (Stream, Item);
|
|
|
122 end Write;
|
|
|
123
|
|
|
124 function Input (Stream : access Root_Stream_Type'Class) return T is
|
|
|
125 begin
|
|
|
126 Cnts (Input) := Cnts (Input) + 1;
|
|
|
127 return Actual_Input (Stream);
|
|
|
128 end Input;
|
|
|
129
|
|
|
130 procedure Read (Stream : access Root_Stream_Type'Class; Item : out T) is
|
|
|
131 begin
|
|
|
132 Cnts (Read) := Cnts (Read) + 1;
|
|
|
133 Actual_Read (Stream, Item);
|
|
|
134 end Read;
|
|
|
135
|
|
|
136 procedure Output (Stream : access Root_Stream_Type'Class; Item : T) is
|
|
|
137 begin
|
|
|
138 Cnts (Output) := Cnts (Output) + 1;
|
|
|
139 Actual_Output (Stream, Item);
|
|
|
140 end Output;
|
|
|
141
|
|
|
142 function Get_Counts return Counts is
|
|
|
143 begin
|
|
|
144 return Cnts;
|
|
|
145 end Get_Counts;
|
|
|
146
|
|
|
147 end Counting_Stream_Ops;
|
|
|
148
|
|
|
149 end FDD2A00;
|
