509 lines
17 KiB
ObjectPascal
509 lines
17 KiB
ObjectPascal
unit PT4Databases;
|
||
//uses PrintAttributeUnit;
|
||
|
||
function PrintAttributeString(a: object): string; forward;
|
||
function PrintAttributeString(a: object; fProvider: System.IFormatProvider): string; forward;
|
||
|
||
type
|
||
Country = auto class
|
||
private
|
||
_name, _capital: string;
|
||
_population: integer;
|
||
_continent: string;
|
||
public
|
||
[PrintAttribute(0, -32)]
|
||
property Name: string read _name;
|
||
[PrintAttribute(' ', 1, -19)]
|
||
property Capital: string read _capital;
|
||
[PrintAttribute(3, 13, 'd')]
|
||
property Population: integer read _population;
|
||
[PrintAttribute(' ', 2, -9)]
|
||
property Continent: string read _continent;
|
||
end;
|
||
|
||
Страна = auto class
|
||
private
|
||
_name, _capital: string;
|
||
_population: integer;
|
||
_continent: string;
|
||
public
|
||
[PrintAttribute(0, -32)]
|
||
property Название: string read _name;
|
||
[PrintAttribute(' ', 1, -19)]
|
||
property Столица: string read _capital;
|
||
[PrintAttribute(3, 13, 'd')]
|
||
property Население: integer read _population;
|
||
[PrintAttribute(' ', 2, -9)]
|
||
property Континент: string read _continent;
|
||
end;
|
||
|
||
|
||
ТипПола = (Муж, Жен);
|
||
|
||
Pupil = auto class
|
||
private
|
||
_name: string;
|
||
_gender: ТипПола;
|
||
_height: integer;
|
||
_cls: integer;
|
||
_inSunSchool: boolean;
|
||
function getGender: ТипПола := _gender;
|
||
public
|
||
[PrintAttribute(0, -16)]
|
||
property Name: string read _name;
|
||
[PrintAttribute(' ', 1, -3)]
|
||
property Gender: ТипПола read getGender;
|
||
[PrintAttribute(' ', 2, 3, 'd')]
|
||
property Height: integer read _height;
|
||
[PrintAttribute(' ',3, 2, 'd')]
|
||
property Cls: integer read _cls;
|
||
[PrintAttribute(' ', 4, -5)]
|
||
property InSunSchool: boolean read _inSunSchool;
|
||
end;
|
||
|
||
Ученик = auto class
|
||
private
|
||
_name: string;
|
||
_gender: ТипПола;
|
||
_height: integer;
|
||
_cls: integer;
|
||
_inSunSchool: boolean;
|
||
function getGender: ТипПола := _gender;
|
||
public
|
||
[PrintAttribute(0, -16)]
|
||
property Фамилия: string read _name;
|
||
[PrintAttribute(' ', 1, -3)]
|
||
property Пол: ТипПола read getGender;
|
||
[PrintAttribute(' ', 2, 3, 'd')]
|
||
property Рост: integer read _height;
|
||
[PrintAttribute(' ',3, 2, 'd')]
|
||
property Класс: integer read _cls;
|
||
[PrintAttribute(' ', 4, -5)]
|
||
property УчитсяВКШ: boolean read _inSunSchool;
|
||
end;
|
||
|
||
function GenderToТипПола(a: string): ТипПола := a = 'Муж' ? Муж : Жен;
|
||
function InSunSchoolToBoolean(a: string): boolean := a = 'Да';
|
||
|
||
type
|
||
Fitness = auto class
|
||
private
|
||
_code, _year, _month, _time: integer;
|
||
public
|
||
// [PrintAttribute('( Code = ', 0, 2)]
|
||
// property Код: integer read _code;
|
||
[PrintAttribute('( Code = ', 0, 2)]
|
||
property Code: integer read _code;
|
||
// [PrintAttribute(' , Year = ', 1, 4)]
|
||
// property Год: integer read _year;
|
||
[PrintAttribute(' , Year = ', 1, 4)]
|
||
property Year: integer read _year;
|
||
// [PrintAttribute(' , Month = ', 2, 2)]
|
||
// property Месяц: integer read _month;
|
||
[PrintAttribute(' , Month = ', 2, 2)]
|
||
property Month: integer read _month;
|
||
// [PrintAttribute(' , Time = ', 3, 2)]
|
||
// property Время: integer read _time;
|
||
[PrintAttribute(' , Time = ', 3, 2)]
|
||
property Time: integer read _time;
|
||
function ToString: string; override;
|
||
begin
|
||
result := PrintAttributeString(self);
|
||
end;
|
||
end;
|
||
|
||
Abitur = auto class
|
||
private
|
||
_name: string;
|
||
_year: integer;
|
||
_school: integer;
|
||
public
|
||
// [PrintAttribute('( Name = ', 0, -11)]
|
||
// property Фамилия: string read _name;
|
||
[PrintAttribute('( Name = ', 0, -11)]
|
||
property Name: string read _name;
|
||
// [PrintAttribute(', Year = ', 1, 4)]
|
||
// property Год: integer read _year;
|
||
[PrintAttribute(', Year = ', 1, 4)]
|
||
property Year: integer read _year;
|
||
// [PrintAttribute(' , School = ', 2, 2)]
|
||
// property Школа: integer read _school;
|
||
[PrintAttribute(' , School = ', 2, 2)]
|
||
property School: integer read _school;
|
||
function ToString: string; override;
|
||
begin
|
||
result := PrintAttributeString(self);
|
||
end;
|
||
end;
|
||
|
||
Debtor = auto class
|
||
private
|
||
_name: string;
|
||
_flat: integer;
|
||
_debt: real;
|
||
public
|
||
// [PrintAttribute('( Name = ', 0, -11)]
|
||
// property Фамилия: string read _name;
|
||
[PrintAttribute('( Name = ', 0, -11)]
|
||
property Name: string read _name;
|
||
// [PrintAttribute(', Flat = ', 1, 3)]
|
||
// property Квартира: integer read _flat;
|
||
[PrintAttribute(', Flat = ', 1, 3)]
|
||
property Flat: integer read _flat;
|
||
// [PrintAttribute(' , Debt = ', 2, 7, 'f2')]
|
||
// property Долг: real read _debt;
|
||
[PrintAttribute(' , Debt = ', 2, 7, 'f2')]
|
||
property Debt: real read _debt;
|
||
// [PrintAttribute(' , Entrance = ', 3, 1)]
|
||
// property Подъезд: integer read (_flat - 1) div 36 + 1;
|
||
[PrintAttribute(' , Entrance = ', 3, 1)]
|
||
property Entrance: integer read (_flat - 1) div 36 + 1;
|
||
// [PrintAttribute(' , Floor = ', 4, 1)]
|
||
// property Этаж: integer read (_flat - 1) mod 36 div 4 + 1;
|
||
[PrintAttribute(' , Floor = ', 4, 1)]
|
||
property Floor: integer read (_flat - 1) mod 36 div 4 + 1;
|
||
function ToString: string; override;
|
||
begin
|
||
result := PrintAttributeString(self);
|
||
end;
|
||
end;
|
||
|
||
FuelStation = auto class
|
||
private
|
||
_brand, _price: integer;
|
||
_company, _street: string;
|
||
public
|
||
// [PrintAttribute('( Brand = ', 0, 2)]
|
||
// property Марка: integer read _brand;
|
||
[PrintAttribute('( Brand = ', 0, 2)]
|
||
property Brand: integer read _brand;
|
||
// [PrintAttribute(', Price = ', 1, 4)]
|
||
// property Цена: integer read _price;
|
||
[PrintAttribute(', Price = ', 1, 4)]
|
||
property Price: integer read _price;
|
||
// [PrintAttribute(', Company = ', 2, -12)]
|
||
// property Компания: string read _company;
|
||
[PrintAttribute(', Company = ', 2, -12)]
|
||
property Company: string read _company;
|
||
// [PrintAttribute(', Street = ', 3, -15)]
|
||
// property Улица: string read _street;
|
||
[PrintAttribute(', Street = ', 3, -15)]
|
||
property Street: string read _street;
|
||
function ToString: string; override;
|
||
begin
|
||
result := PrintAttributeString(self);
|
||
end;
|
||
end;
|
||
|
||
PupilExam = auto class
|
||
private
|
||
_name: string;
|
||
_school, _point0, _point1, _point2: integer;
|
||
// [PrintAttribute(' , Point : ', 2, 3)]
|
||
// property Балл0: integer read _point0;
|
||
[PrintAttribute(' , Point : ', 2, 3)]
|
||
property Point0: integer read _point0;
|
||
// [PrintAttribute(' , ', 3, 3)]
|
||
// property Балл1: integer read _point1;
|
||
[PrintAttribute(' , ', 3, 3)]
|
||
property Point1: integer read _point1;
|
||
// [PrintAttribute(' , ', 4, 3)]
|
||
// property Балл2: integer read _point2;
|
||
[PrintAttribute(' , ', 4, 3)]
|
||
property Point2: integer read _point2;
|
||
public
|
||
// [PrintAttribute('( Name = ', 0, -16)]
|
||
// property ФИО: string read _name;
|
||
[PrintAttribute('( Name = ', 0, -16)]
|
||
property Name: string read _name;
|
||
// [PrintAttribute(', School = ', 1, 2)]
|
||
// property Школа: integer read _school;
|
||
[PrintAttribute(', School = ', 1, 2)]
|
||
property School: integer read _school;
|
||
// property Балл: array of integer read Arr(_point0, _point1, _point2);
|
||
property Point: array of integer read Arr(_point0, _point1, _point2);
|
||
function ToString: string; override;
|
||
begin
|
||
result := PrintAttributeString(self);
|
||
end;
|
||
end;
|
||
|
||
PupilMark = auto class
|
||
private
|
||
_name: string;
|
||
_cls: integer;
|
||
_subject: string;
|
||
_mark: integer;
|
||
public
|
||
// [PrintAttribute('( Name = ', 0, -16)]
|
||
// property ФИО: string read _name;
|
||
[PrintAttribute('( Name = ', 0, -16)]
|
||
property Name: string read _name;
|
||
// [PrintAttribute(', Cls = ', 1, 2)]
|
||
// property Класс: integer read _cls;
|
||
[PrintAttribute(', Cls = ', 1, 2)]
|
||
property Cls: integer read _cls;
|
||
// [PrintAttribute(' , Subject = ', 2, -11)]
|
||
// property Предмет: string read _subject;
|
||
[PrintAttribute(' , Subject = ', 2, -11)]
|
||
property Subject: string read _subject;
|
||
// [PrintAttribute(' , Mark = ', 3, 1)]
|
||
// property Оценка: integer read _mark;
|
||
[PrintAttribute(' , Mark = ', 3, 1)]
|
||
property Mark: integer read _mark;
|
||
function ToString: string; override;
|
||
begin
|
||
result := PrintAttributeString(self);
|
||
end;
|
||
end;
|
||
|
||
function ЗаполнитьМассивСтран: array of Страна;
|
||
begin
|
||
var fname := 'c:\Program files (x86)\PascalABC.NET\Files\Databases\Страны.csv';
|
||
if fname = '' then
|
||
raise new System.ApplicationException('Не найден массив стран Databases\Страны.csv');
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(';'))
|
||
.Select(w->new Страна(w[0],w[1],w[2].ToInteger,w[3])).ToArray;
|
||
end;
|
||
|
||
function GetCountries: array of Country;
|
||
begin
|
||
var fname := 'c:\Program files (x86)\PascalABC.NET\Files\Databases\Страны.csv';
|
||
if fname = '' then
|
||
raise new System.ApplicationException('Не найден массив стран Databases\Страны.csv');
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(';'))
|
||
.Select(w->new Country(w[0],w[1],w[2].ToInteger,w[3])).ToArray;
|
||
end;
|
||
|
||
function ЗаполнитьМассивУчеников: array of Ученик;
|
||
begin
|
||
var fname := 'c:\Program files (x86)\PascalABC.NET\Files\Databases\Ученики.csv';
|
||
if fname = '' then
|
||
raise new System.ApplicationException('Не найден массив учеников Databases\Ученики.csv');
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(';'))
|
||
.Select(w->new Ученик(w[0],GenderToТипПола(w[2]),w[4].ToInteger,w[1].ToInteger,
|
||
InSunschoolToBoolean(w[3]))).ToArray;
|
||
end;
|
||
|
||
function GetPupils: array of Pupil;
|
||
begin
|
||
var fname := 'c:\Program files (x86)\PascalABC.NET\Files\Databases\Ученики.csv';
|
||
if fname = '' then
|
||
raise new System.ApplicationException('Не найден массив учеников Databases\Ученики.csv');
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(';'))
|
||
.Select(w->new Pupil(w[0],GenderToТипПола(w[2]),w[4].ToInteger,w[1].ToInteger,
|
||
InSunschoolToBoolean(w[3]))).ToArray;
|
||
end;
|
||
|
||
function GetFitness: array of Fitness;
|
||
begin
|
||
var fname := 'Fitness.tst';
|
||
if not FileExists(fname) then
|
||
begin
|
||
fname := 'Fitness.txt';
|
||
if not FileExists(fname) then
|
||
raise new System.IO.FileNotFoundException('Не найден файл-источник для массива объектов Fitness');
|
||
end;
|
||
try
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(','))
|
||
.Select(w->new Fitness(w[0].ToInteger,w[1].ToInteger,w[2].ToInteger,w[3].ToInteger)).ToArray;
|
||
except
|
||
raise new System.FormatException('Файл-источник для массива объектов Fitness содержит неверные данные');
|
||
end;
|
||
end;
|
||
|
||
function GetAbiturs: array of Abitur;
|
||
begin
|
||
var fname := 'Abitur.tst';
|
||
if not FileExists(fname) then
|
||
begin
|
||
fname := 'Abitur.txt';
|
||
if not FileExists(fname) then
|
||
raise new System.IO.FileNotFoundException('Не найден файл-источник для массива объектов Abitur');
|
||
end;
|
||
try
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(','))
|
||
.Select(w->new Abitur(w[0],w[1].ToInteger,w[2].ToInteger)).ToArray;
|
||
except
|
||
raise new System.FormatException('Файл-источник для массива объектов Abitur содержит неверные данные');
|
||
end;
|
||
end;
|
||
|
||
function GetDebtors: array of Debtor;
|
||
begin
|
||
var fname := 'Debtor.tst';
|
||
if not FileExists(fname) then
|
||
begin
|
||
fname := 'Debtor.txt';
|
||
if not FileExists(fname) then
|
||
raise new System.IO.FileNotFoundException('Не найден файл-источник для массива объектов Debtor');
|
||
end;
|
||
try
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(','))
|
||
.Select(w->new Debtor(w[0],w[1].ToInteger,w[2].ToReal)).ToArray;
|
||
except
|
||
raise new System.FormatException('Файл-источник для массива объектов Debtor содержит неверные данные');
|
||
end;
|
||
end;
|
||
|
||
function GetFuelStations: array of FuelStation;
|
||
begin
|
||
var fname := 'FuelStation.tst';
|
||
if not FileExists(fname) then
|
||
begin
|
||
fname := 'FuelStation.txt';
|
||
if not FileExists(fname) then
|
||
raise new System.IO.FileNotFoundException('Не найден файл-источник для массива объектов FuelStation');
|
||
end;
|
||
try
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(','))
|
||
.Select(w->new FuelStation(w[0].ToInteger,w[1].ToInteger,w[2],w[3])).ToArray;
|
||
except
|
||
raise new System.FormatException('Файл-источник для массива объектов FuelStation содержит неверные данные');
|
||
end;
|
||
end;
|
||
|
||
function GetPupilExams: array of PupilExam;
|
||
begin
|
||
var fname := 'PupilExam.tst';
|
||
if not FileExists(fname) then
|
||
begin
|
||
fname := 'PupilExam.txt';
|
||
if not FileExists(fname) then
|
||
raise new System.IO.FileNotFoundException('Не найден файл-источник для массива объектов PupilExam');
|
||
end;
|
||
try
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(','))
|
||
.Select(w->new PupilExam(w[0],w[1].ToInteger,w[2].ToInteger,w[3].ToInteger,w[4].ToInteger)).ToArray;
|
||
except
|
||
raise new System.FormatException('Файл-источник для массива объектов PupilExam содержит неверные данные');
|
||
end;
|
||
end;
|
||
|
||
function GetPupilMarks: array of PupilMark;
|
||
begin
|
||
var fname := 'PupilMark.tst';
|
||
if not FileExists(fname) then
|
||
begin
|
||
fname := 'PupilMark.txt';
|
||
if not FileExists(fname) then
|
||
raise new System.IO.FileNotFoundException('Не найден файл-источник для массива объектов PupilMark');
|
||
end;
|
||
try
|
||
Result := ReadLines(fname)
|
||
.Select(s->s.ToWords(','))
|
||
.Select(w->new PupilMark(w[0],w[1].ToInteger,w[2],w[3].ToInteger)).ToArray;
|
||
except
|
||
raise new System.FormatException('Файл-источник для массива объектов PupilMark содержит неверные данные');
|
||
end;
|
||
end;
|
||
|
||
function PrintAttributeString(a: object; fProvider: System.IFormatProvider): string;
|
||
begin
|
||
var t := a.GetType();
|
||
var res := new Dictionary<integer, string>();
|
||
foreach var p in t.GetProperties(System.Reflection.BindingFlags.Public
|
||
or System.Reflection.BindingFlags.NonPublic or System.Reflection.BindingFlags.Instance) do
|
||
begin
|
||
var att := p.GetCustomAttribute(typeof(PrintAttribute), false) as PrintAttribute;
|
||
if att = nil then
|
||
continue;
|
||
var (c, n, w, f) := (att.Comment, att.Num, att.Width, att.Fmt);
|
||
var val := '';
|
||
var o := p.GetValue(a, nil);
|
||
if (f <> '') and (o is System.IFormattable) then
|
||
begin
|
||
val := System.IFormattable(o).ToString(f, fProvider);
|
||
end
|
||
else
|
||
begin
|
||
val := o.ToString;
|
||
end;
|
||
if w > 0 then
|
||
val := val.PadLeft(w)
|
||
else if w < 0 then
|
||
val := val.PadRight(-w);
|
||
res[n] := c + val;
|
||
end;
|
||
result := nil;
|
||
if res.Keys.Count = 0 then
|
||
exit;
|
||
result := '';
|
||
foreach var k in res.Keys.OrderBy(e -> e) do
|
||
begin
|
||
result += res[k];
|
||
end;
|
||
var delim := Copy(result, 2, 1);
|
||
if result.StartsWith('{') then
|
||
result += (delim = ' ') ? ' }' : '}'
|
||
else if result.StartsWith('[') then
|
||
result += (delim = ' ') ? ' ]' : ']'
|
||
else if result.StartsWith('(') then
|
||
result += (delim = ' ') ? ' )' : ')'
|
||
else if result.StartsWith('''') then
|
||
result += (delim = ' ') ? ' ''' : ''''
|
||
else if result.StartsWith('"') then
|
||
result += (delim = ' ') ? ' "' : '"';
|
||
end;
|
||
|
||
function PrintAttributeString(a: object): string;
|
||
begin
|
||
result := PrintAttributeString(a, nil);
|
||
end;
|
||
|
||
function ToStr(params a: array of object): string;
|
||
begin
|
||
result := '';
|
||
var b := false;
|
||
foreach var e in a do
|
||
begin
|
||
if b then
|
||
result += ' '
|
||
else
|
||
b := true;
|
||
if e is real then
|
||
result += real(e).ToString(2)
|
||
else if e is string then
|
||
result += e.ToString()
|
||
else if e.GetType.FullName.StartsWith('System.Tuple') then
|
||
begin
|
||
var b1 := false;
|
||
foreach var e1 in e.GetType.GetProperties do
|
||
begin
|
||
if b1 then
|
||
result += ' '
|
||
else
|
||
b1 := true;
|
||
result += ToStr(Arr(e1.GetValue(e,nil)));
|
||
end;
|
||
end
|
||
else if e is System.Collections.IEnumerable then
|
||
begin
|
||
var b1 := false;
|
||
var e1 := (e as System.Collections.IEnumerable).GetEnumerator;
|
||
while e1.MoveNext do
|
||
begin
|
||
if b1 then
|
||
result += ' '
|
||
else
|
||
b1 := true;
|
||
result += ToStr(Arr(e1.Current));
|
||
end;
|
||
end
|
||
else
|
||
result += e.ToString();
|
||
end;
|
||
end;
|
||
|
||
begin
|
||
|
||
end. |