Cutelyst  1.11.0
validatorrequired.cpp
1 /*
2  * Copyright (C) 2017 Matthias Fehring <kontakt@buschmann23.de>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "validatorrequired_p.h"
20 
21 using namespace Cutelyst;
22 
23 ValidatorRequired::ValidatorRequired(const QString &field, const QString &label, const QString &customError) :
24  ValidatorRule(*new ValidatorRequiredPrivate(field, label, customError))
25 {
26 }
27 
28 ValidatorRequired::ValidatorRequired(ValidatorRequiredPrivate &dd) :
29  ValidatorRule(dd)
30 {
31 }
32 
34 {
35 }
36 
38 {
39  QString result;
40 
41  if (value().isEmpty()) {
42  result = validationError();
43  }
44 
45  return result;
46 }
47 
49 {
50  QString error;
51  if (label().isEmpty()) {
52  error = QStringLiteral("This is required.");
53  } else {
54  error = QStringLiteral("You must fill in the “%1” field.").arg(label());
55  }
56  return error;
57 }
QString value() const
Returns the field value.
QString validate() const override
Performs the validation and returns an empty QString on success, otherwise an error message...
QString validationError() const
Returns a descriptive error message if validation failed.
The Cutelyst namespace holds all public Cutelyst API.
Definition: Mainpage.dox:7
Base class for all validators.
~ValidatorRequired()
Deconstructs the required validator.
QString genericValidationError() const override
Returns a generic error message.
QString label() const
Returns the human readable field label used for generic error messages.
ValidatorRequired(const QString &field, const QString &label=QString(), const QString &customError=QString())
Constructs a new required validator.