Add book "Занимательное программирование"

1 files changed, 228 insertions, 0 deletions

diff --git a/Занимательное программирование/1/11_8_fma/Project1.pas b/Занимательное программирование/1/11_8_fma/Project1.pas
new file mode 100644
index 0000000..f8e0fc3
--- /dev/null
+++ b/Занимательное программирование/1/11_8_fma/Project1.pas
@@ -0,0 +1,228 @@
+program Project1;
+
+{$mode objfpc}{$H+}
+{$codepage utf8}
+
+uses
+  {$IFDEF UNIX}
+  cthreads,
+  {$ENDIF}
+  Classes, SysUtils, CustApp
+  { you can add units after this };
+
+  type StateType = (pay, coffee, cup, back);
+  type CommandType = (
+    pay5, pay10, pay20, pay50, pay100, pay200,
+    chooseblack, choosesugar, coosecappu, choosecacao,
+    choosecup, choosenocup, payback
+  );
+
+type
+
+  { TStateMachine }
+
+  TStateMachine = class(TCustomApplication)
+  protected
+    procedure DoRun; override;
+  public
+    constructor Create(TheOwner: TComponent); override;
+    destructor Destroy; override;
+    function GetNextCommand: CommandType;
+  end;
+
+{ TStateMachine }
+
+procedure TStateMachine.DoRun;
+var
+  ErrorMsg: String;
+  State: StateType = pay;
+  Command: CommandType;
+  moneyPayed: Integer = 0;
+begin
+  // quick check parameters
+  ErrorMsg := CheckOptions('h', 'help');
+  if ErrorMsg <> '' then begin
+    ShowException(Exception.Create(ErrorMsg));
+    Terminate;
+    Exit;
+  end;
+
+  while true do
+  begin
+    Command := GetNextCommand;
+    case State of
+      pay:
+        begin
+          case Command of
+            pay5:
+              begin
+                moneyPayed := moneyPayed + 5;
+              end;
+            pay10:
+              begin
+                moneyPayed := moneyPayed + 10;
+              end;
+            pay20:
+              begin
+                moneyPayed := moneyPayed + 20;
+              end;
+            pay50:
+              begin
+                moneyPayed := moneyPayed + 50;
+              end;
+            pay100:
+              begin
+                moneyPayed := moneyPayed + 100;
+              end;
+            pay200:
+              begin
+                moneyPayed := moneyPayed + 200;
+              end;
+            chooseblack, choosesugar, coosecappu, choosecacao:
+              begin
+                if moneyPayed >= 70 then
+                begin
+                  State := coffee;
+                end
+                else
+                begin
+                  WriteLn('Вы бросили недостаточно денег.');
+                end;
+              end
+            else
+              WriteLn('Неверная команда!');
+          end;
+        end;
+      coffee:
+        begin
+          case Command of
+            choosecup, choosenocup:
+              begin
+                State := cup;
+              end;
+            else
+              WriteLn('Неверная команда!');
+          end;
+        end;
+      cup:
+        begin
+          case Command of
+            payback:
+              begin
+                State := back;
+                WriteLn('Ваша сдача: ' + IntToStr(moneyPayed - 70));
+                Break;
+              end;
+            else
+              WriteLn('Неверная команда!');
+            end;
+        end;
+      back:
+        begin
+        end;
+    end;
+  end;
+
+  // stop program loop
+  Terminate;
+end;
+
+constructor TStateMachine.Create(TheOwner: TComponent);
+begin
+  inherited Create(TheOwner);
+  StopOnException:=True;
+end;
+
+destructor TStateMachine.Destroy;
+begin
+  inherited Destroy;
+end;
+
+function TStateMachine.GetNextCommand: CommandType;
+var
+  Input: String;
+begin
+  Writeln('Введите команду:');
+  while true do
+  begin
+    Readln(Input);
+    case Input of
+      'pay5':
+        begin
+          Result := pay5;
+          Exit;
+        end;
+      'pay10':
+        begin
+          Result := pay10;
+          Exit;
+        end;
+      'pay20':
+        begin
+          Result := pay20;
+          Exit;
+        end;
+      'pay50':
+        begin
+          Result := pay50;
+          Exit;
+        end;
+      'pay100':
+        begin
+          Result := pay100;
+          Exit;
+        end;
+      'pay200':
+        begin
+          Result := pay200;
+          Exit;
+        end;
+      'chooseblack':
+        begin
+          Result := chooseblack;
+          Exit;
+        end;
+      'choosesugar':
+        begin
+          Result := choosesugar;
+          Exit;
+        end;
+      'choosecappu':
+        begin
+          Result := coosecappu;
+          Exit;
+        end;
+      'choosecacao':
+        begin
+          Result := choosecacao;
+          Exit;
+        end;
+      'choosecup':
+        begin
+          Result := choosecup;
+          Exit;
+        end;
+      'choosenocup':
+        begin
+          Result := choosenocup;
+          Exit;
+        end;
+      'payback':
+        begin
+          Result := payback;
+          Exit;
+        end
+      else Writeln('Команда не существует. Попробуйте еще раз:');
+    end;
+  end;
+end;
+
+var
+  Application: TStateMachine;
+begin
+  Application:=TStateMachine.Create(nil);
+  Application.Title:='State automat';
+  Application.Run;
+  Application.Free;
+end.
+