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Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
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98
Task/Abbreviations-easy/Ada/abbreviations-easy.ada
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with Ada.Characters.Handling;
with Ada.Containers.Indefinite_Vectors;
with Ada.Strings.Fixed;
with Ada.Strings.Maps.Constants;
with Ada.Text_IO;
procedure Abbreviations_Easy is
package Command_Vectors
is new Ada.Containers.Indefinite_Vectors (Index_Type => Positive,
Element_Type => String);
use Command_Vectors;
Commands : Vector;
procedure Append (Word_List : String) is
use Ada.Strings;
First : Positive := Word_List'First;
Last : Natural;
begin
loop
Fixed.Find_Token (Word_List,
Set => Maps.Constants.Letter_Set,
From => First,
Test => Inside,
First => First,
Last => Last);
exit when Last = 0;
Commands.Append (Word_List (First .. Last));
exit when Last = Word_List'Last;
First := Last + 1;
end loop;
end Append;
function Match (Word : String) return String is
use Ada.Strings;
use Ada.Characters.Handling;
Upper_Word : constant String := To_Upper (Word);
Prefix_First : Positive;
Prefix_Last : Natural;
begin
if Word = "" then
return "";
end if;
for Command of Commands loop
Fixed.Find_Token (Command, Maps.Constants.Upper_Set, Inside,
Prefix_First, Prefix_Last);
declare
Upper_Prefix : constant String := Command (Prefix_First .. Prefix_Last);
Upper_Command : constant String := To_Upper (Command);
Valid_Length : constant Boolean := Word'Length >= Upper_Prefix'Length;
Match_Length : constant Natural := Natural'Min (Word'Length,
Command'Length);
Valid_Match : constant Boolean
:= Fixed.Head (Upper_Word, Upper_Word'Length)
= Fixed.Head (Upper_Command, Upper_Word'Length);
begin
if Valid_Length and Valid_Match then
return Upper_Command;
end if;
end;
end loop;
return "*error*";
end Match;
procedure Put_Match (To : String) is
use Ada.Text_IO;
M : constant String := Match (To);
begin
Put ("Match to '"); Put (To);
Put ("' is '"); Put (M);
Put_Line ("'");
end Put_Match;
procedure A (Item : String) renames Append;
begin
A ("Add ALTer BAckup Bottom CAppend Change SCHANGE CInsert CLAst COMPress COpy");
A ("COUnt COVerlay CURsor DELete CDelete Down DUPlicate Xedit EXPand EXTract Find");
A ("NFind NFINDUp NFUp CFind FINdup FUp FOrward GET Help HEXType Input POWerinput");
A ("Join SPlit SPLTJOIN LOAD Locate CLocate LOWercase UPPercase LPrefix MACRO");
A ("MErge MODify MOve MSG Next Overlay PARSE PREServe PURge PUT PUTD Query QUIT");
A ("READ RECover REFRESH RENum REPeat Replace CReplace RESet RESTore RGTLEFT");
A ("RIght LEft SAVE SET SHift SI SORT SOS STAck STATus TOP TRAnsfer Type Up");
Put_Match ("riG");
Put_Match ("rePEAT");
Put_Match ("copies");
Put_Match ("put");
Put_Match ("mo");
Put_Match ("rest");
Put_Match ("types");
Put_Match ("fup.");
Put_Match ("6");
Put_Match ("poweRin");
Put_Match ("");
Put_Match ("o");
end Abbreviations_Easy;