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top - downloadIndex: ┃ B T ┃
Length: 7624 (0x1dc8)
Types: TextFile
Names: »B«
└─⟦85b835f43⟧ Bits:30000549 8mm tape, Rational 1000, Xlib rev 6.00
└─ ⟦0c20f784e⟧ »DATA«
└─⟦1abbe589f⟧
└─⟦591c5b094⟧
└─⟦this⟧
with Arithmetic;
use Arithmetic;
with Vstring_Type;
use Vstring_Type;
package body Vstring_Compare is
------------------------------------------------------------------------------
-- VString Comparison Routines
------------------------------------------------------------------------------
-- Copyright 1988 - 1991 by Rational, Santa Clara, California.
--
-- All Rights Reserved.
--
-- Permission to use, copy, modify, and distribute this software and its
-- documentation for any purpose and without fee is hereby granted,
-- provided that the above copyright notice(s) appear in all copies and that
-- both that copyright notice(s) and this permission notice appear in
-- supporting documentation, and that the name of Rational not be used in
-- advertising or publicity pertaining to distribution of the software
-- without specific, written prior permission.
--
-- Rational disclaims all warranties with regard to this software, including
-- all implied warranties of merchantability and fitness, in no event shall
-- Rational be liable for any special, indirect or consequential damages or
-- any damages whatsoever resulting from loss of use, data or profits, whether
-- in an action of contract, negligence or other tortious action, arising out
-- of or in connection with the use or performance of this software.
------------------------------------------------------------------------------
--\f
function Compare (Vstr1 : Vstring_Data;
Vstr2 : Vstring_Data) return Result_Type is
Len : S_Natural := Vstr1.Length;
Result : Result_Type := -1;
Diff : S_Long;
begin
if Len > Vstr2.Length then
Len := Vstr2.Length;
Result := 1;
end if;
for I in 1 .. Len loop
Diff := Character'Pos (Vstr1.Chars (I)) -
Character'Pos (Vstr2.Chars (I));
if Diff /= 0 then
return Diff;
end if;
end loop;
if Vstr1.Length = Vstr2.Length then
return 0;
end if;
return Result;
end Compare;
--\f
function Compare (Vstr1 : Vstring_Data;
Vstr2 : Vstring) return Result_Type is
Len : S_Natural := Vstr1.Length;
Result : Result_Type := -1;
Diff : S_Long;
begin
if Len > Vstr2.Length then
Len := Vstr2.Length;
Result := 1;
end if;
for I in 1 .. Len loop
Diff := Character'Pos (Vstr1.Chars (I)) -
Character'Pos (Vstr2.Chars (I));
if Diff /= 0 then
return Diff;
end if;
end loop;
if Vstr1.Length = Vstr2.Length then
return 0;
end if;
return Result;
end Compare;
--\f
function Compare (Vstr1 : Vstring;
Vstr2 : Vstring_Data) return Result_Type is
Len : S_Natural := Vstr1.Length;
Result : Result_Type := -1;
Diff : S_Long;
begin
if Len > Vstr2.Length then
Len := Vstr2.Length;
Result := 1;
end if;
for I in 1 .. Len loop
Diff := Character'Pos (Vstr1.Chars (I)) -
Character'Pos (Vstr2.Chars (I));
if Diff /= 0 then
return Diff;
end if;
end loop;
if Vstr1.Length = Vstr2.Length then
return 0;
end if;
return Result;
end Compare;
--\f
function Compare (Vstr1 : Vstring;
Vstr2 : Vstring) return Result_Type is
Len : S_Natural := Vstr1.Length;
Result : Result_Type := -1;
Diff : S_Long;
begin
if Len > Vstr2.Length then
Len := Vstr2.Length;
Result := 1;
end if;
for I in 1 .. Len loop
Diff := Character'Pos (Vstr1.Chars (I)) -
Character'Pos (Vstr2.Chars (I));
if Diff /= 0 then
return Diff;
end if;
end loop;
if Vstr1.Length = Vstr2.Length then
return 0;
end if;
return Result;
end Compare;
--\f
function Compare (Vstr1 : Vstring_Data;
Vstr2 : E_String) return Result_Type is
Len : S_Natural := Vstr2'Length;
Result : Result_Type := 1;
Diff : S_Long;
begin
if Len > Vstr1.Length then
Len := Vstr1.Length;
Result := -1;
end if;
for I in 0 .. Len - 1 loop
Diff := Character'Pos (Vstr1.Chars (I + 1)) -
Character'Pos (Vstr2 (I + Vstr2'First));
if Diff /= 0 then
return Diff;
end if;
end loop;
if Vstr1.Length = Vstr2'Length then
return 0;
end if;
return Result;
end Compare;
--\f
function Compare (Vstr1 : Vstring_Data;
Vstr2 : Character) return Result_Type is
begin
if Vstr1.Length = 0 then
return -1;
end if;
return Character'Pos (Vstr1.Chars (1)) - Character'Pos (Vstr2);
end Compare;
--\f
function Compare (Vstr1 : Vstring_Data;
Vstr2 : Character;
Copies : S_Natural) return Result_Type is
Len : S_Natural := Vstr1.Length;
Result : Result_Type := -1;
Diff : S_Long;
begin
if Len > Copies then
Len := Copies;
Result := 1;
end if;
for I in 1 .. Len loop
Diff := Character'Pos (Vstr1.Chars (I)) - Character'Pos (Vstr2);
if Diff /= 0 then
return Diff;
end if;
end loop;
if Vstr1.Length = Copies then
return 0;
end if;
return Result;
end Compare;
--\f
function Compare (Vstr1 : Vstring;
Vstr2 : E_String) return Result_Type is
Len : S_Natural := Vstr2'Length;
Result : Result_Type := 1;
Diff : S_Long;
begin
if Len > Vstr1.Length then
Len := Vstr1.Length;
Result := -1;
end if;
for I in 0 .. Len - 1 loop
Diff := Character'Pos (Vstr1.Chars (I + 1)) -
Character'Pos (Vstr2 (I + Vstr2'First));
if Diff /= 0 then
return Diff;
end if;
end loop;
if Vstr1.Length = Vstr2'Length then
return 0;
end if;
return Result;
end Compare;
--\f
function Compare (Vstr1 : Vstring;
Vstr2 : Character) return Result_Type is
begin
if Vstr1.Length = 0 then
return -1;
end if;
return Character'Pos (Vstr1.Chars (1)) - Character'Pos (Vstr2);
end Compare;
--\f
function Compare (Vstr1 : Vstring;
Vstr2 : Character;
Copies : S_Natural) return Result_Type is
Len : S_Natural := Vstr1.Length;
Result : Result_Type := -1;
Diff : S_Long;
begin
if Len > Copies then
Len := Copies;
Result := 1;
end if;
for I in 1 .. Len loop
Diff := Character'Pos (Vstr1.Chars (I)) - Character'Pos (Vstr2);
if Diff /= 0 then
return Diff;
end if;
end loop;
if Vstr1.Length = Copies then
return 0;
end if;
return Result;
end Compare;
--\f
end Vstring_Compare;