/usr/share/ada/adainclude/texttools/common.adb is in libtexttools4-dev 2.1.0-6build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | ------------------------------------------------------------------------------
-- COMMON (package body) --
-- --
-- Part of TextTools --
-- Designed and Programmed by Ken O. Burtch --
-- --
------------------------------------------------------------------------------
-- --
-- Copyright (C) 1999-2007 Ken O. Burtch --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. This is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with this; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- This is maintained at http://www.pegasoft.ca/tt.html --
-- --
------------------------------------------------------------------------------
package body Common is
---> Housekeeping
procedure StartupCommon ( theProgramName, theShortProgramName : string ) is
-- start up this package
begin
LastError := 0;
RaisingErrors := false;
ProgramName := Ada.Strings.Unbounded.To_Unbounded_String (TheProgramName );
ShortProgramName := Ada.Strings.Unbounded.To_Unbounded_String ( theShortProgramName );
end StartupCommon;
procedure IdleCommon( IdlePeriod : in Duration ) is
-- idle-time tasks
pragma Unreferenced (Idleperiod);
begin
NoError;
end IdleCommon;
procedure ShutdownCommon is
-- shutdown this package
begin
NoError;
end ShutdownCommon;
---> Error Trapping
procedure NoError is
-- clear last error
begin
LastError := 0;
--Str255List.Clear( LastErrorDetails );
end NoError;
procedure Error( ErrorCode : AnErrorCode ) is
-- record an error, raising an exception if necessary
begin
LastError := ErrorCode;
if ErrorCode /= TT_OK and then RaisingErrors then
raise GeneralError;
end if;
end Error;
procedure RaiseErrors is
-- raise a general error on upcoming errors
begin
RaisingErrors := true;
end RaiseErrors;
procedure TrapErrors is
-- trap upcoming errors and put value in LastError
begin
RaisingErrors := false;
end TrapErrors;
function RaiseErrors return boolean is
WasRaising : boolean;
begin
WasRaising := RaisingErrors;
RaisingErrors := true;
return WasRaising;
end RaiseErrors;
function TrapErrors return boolean is
WasRaising : boolean;
begin
WasRaising := RaisingErrors;
RaisingErrors := false;
return WasRaising;
end TrapErrors;
procedure RestoreRaising( oldflag : boolean ) is
begin
RaisingErrors := oldflag;
end RestoreRaising;
---> Rectangles
procedure SetRect( r : out ARect; left, top, right, bottom : integer ) is
-- initialize a rectangle
begin
r.left := left;
r.top := top;
r.right := right;
r.bottom := bottom;
end SetRect;
procedure OffsetRect( r : in out ARect; dx, dy : integer ) is
-- shift a rectangle
begin
r.left := r.left + dx;
r.top := r.top + dy;
r.right := r.right + dx;
r.bottom := r.bottom + dy;
end OffsetRect;
function OffsetRect( r : in ARect; dx, dy : integer ) return ARect is
-- shift a rectangle returning the resulting rectangle
newRect : ARect;
begin
newRect.left := r.left + dx;
newRect.top := r.top + dy;
newRect.right := r.right + dx;
newRect.bottom := r.bottom + dy;
return newRect;
end OffsetRect;
procedure InsetRect( r : in out ARect; dx, dy : integer ) is
-- change the size of a rectangle
begin
r.left := r.left + dx;
r.top := r.top + dy;
r.right := r.right - dx;
r.bottom := r.bottom - dy;
end InsetRect;
function InsetRect( r : in ARect; dx, dy : integer ) return ARect is
-- change the size of a rectangle returning the resulting rectangle
newRect : ARect;
begin
newRect.left := r.left + dx;
newRect.top := r.top + dy;
newRect.right := r.right - dx;
newRect.bottom := r.bottom - dy;
return newRect;
end InsetRect;
function InsideRect( Inner, Outer : in ARect ) return boolean is
-- test for one rectangle inside of another
begin
return (Inner.left >= Outer.left) and then
(Inner.top >= Outer.top) and then
(Inner.right <= Outer.right ) and then
(Inner.bottom <= Outer.bottom );
end InsideRect;
function InRect( x, y : integer ; r : ARect ) return boolean is
-- test for a point inside of a rectangle
begin
return (x >= r.left and x <= r.right) and then
(y >= r.top and y <= r.bottom);
end InRect;
function IsEmptyRect( r : ARect ) return boolean is
begin
return (r.left > r.right ) or (r.top > r.bottom );
end IsEmptyRect;
---> Sorting order for a list of rectangles
function RectOrder( left, right : ARect ) return boolean is
-- used to order rectangles in a rectangle list
begin
return not InsideRect( left, right );
end RectOrder;
end Common;
|