RosettaCodeData/Task/Abbreviations-simple/Delphi/abbreviations-simple.pas
2024-10-16 18:07:41 -07:00

106 lines
2.8 KiB
ObjectPascal

program Abraviation_simple;
{$APPTYPE CONSOLE}
uses
System.SysUtils;
type
TCommand = record
value: string;
len: integer;
end;
function ReadTable(table: string): TArray<TCommand>;
begin
var fields := table.Split([' '], TStringSplitOptions.ExcludeEmpty);
var i := 0;
var max := Length(fields);
while i < max do
begin
var cmd := fields[i];
var cmdLen := cmd.Length;
inc(i);
if i < max then
begin
var num: Integer;
if TryStrToInt(fields[i], num) and (1 <= num) and (num < cmdLen) then
begin
cmdLen := num;
inc(i);
end;
end;
SetLength(result, Length(result) + 1);
with result[High(result)] do
begin
value := cmd;
len := cmdLen;
end;
end;
end;
function ValidateCommands(Commands: TArray<TCommand>; Words: TArray<string>):
TArray<string>;
begin
SetLength(result, 0);
for var wd in Words do
begin
var matchFound := false;
var wLen := wd.Length;
for var i := 0 to High(Commands) do
begin
var command := Commands[i];
if (command.len = 0) or (wLen < command.len) or (wLen > command.value.Length) then
Continue;
var c := command.value.ToUpper;
var w := wd.ToUpper;
if c.StartsWith(w) then
begin
SetLength(result, Length(result) + 1);
result[High(result)] := c;
matchFound := true;
Break;
end;
end;
if not matchFound then
begin
SetLength(result, Length(result) + 1);
result[High(result)] := '*error*';
end;
end;
end;
procedure PrintResults(words, results: TArray<string>);
begin
Writeln('user words:');
for var w in words do
write(^I, w);
Writeln(#10, 'full words:'^I, string.join(^I, results));
end;
const
table = '' +
'add 1 alter 3 backup 2 bottom 1 Cappend 2 change 1 Schange Cinsert 2 Clast 3 ' +
'compress 4 copy 2 count 3 Coverlay 3 cursor 3 delete 3 Cdelete 2 down 1 duplicate ' +
'3 xEdit 1 expand 3 extract 3 find 1 Nfind 2 Nfindup 6 NfUP 3 Cfind 2 findUP 3 fUP 2 ' +
'forward 2 get help 1 hexType 4 input 1 powerInput 3 join 1 split 2 spltJOIN load ' +
'locate 1 Clocate 2 lowerCase 3 upperCase 3 Lprefix 2 macro merge 2 modify 3 move 2 ' +
'msg next 1 overlay 1 parse preserve 4 purge 3 put putD query 1 quit read recover 3 ' +
'refresh renum 3 repeat 3 replace 1 Creplace 2 reset 3 restore 4 rgtLEFT right 2 left ' +
'2 save set shift 2 si sort sos stack 3 status 4 top transfer 3 type 1 up 1 ';
const
SENTENCE = 'riG rePEAT copies put mo rest types fup. 6 poweRin';
begin
var Commands := ReadTable(table);
var Words := SENTENCE.Split([' '], TStringSplitOptions.ExcludeEmpty);
var results := ValidateCommands(Commands, Words);
PrintResults(Words, results);
Readln;
end.