cutelyst  3.9.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorrequired.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 
6 #include "validatorrequired_p.h"
7 
8 using namespace Cutelyst;
9 
11  const Cutelyst::ValidatorMessages &messages)
12  : ValidatorRule(*new ValidatorRequiredPrivate(field, messages))
13 {
14 }
15 
17 {
18 }
19 
21  const Cutelyst::ParamsMultiMap &params) const
22 {
23  ValidatorReturnType result;
24 
25  const QString v = value(params);
26  if (Q_LIKELY(!v.isEmpty())) {
27  result.value.setValue(v);
28  } else {
29  result.errorMessage = validationError(c);
30  }
31 
32  return result;
33 }
34 
36  const QVariant &errorData) const
37 {
38  QString error;
39  Q_UNUSED(errorData)
40  const QString _label = label(c);
41  if (_label.isEmpty()) {
42  error = c->translate("Cutelyst::ValidatorRequired", "This is required.");
43  } else {
44  //: %1 will be replaced by the field label
45  error =
46  c->translate("Cutelyst::ValidatorRequired", "The “%1” field is required.").arg(_label);
47  }
48  return error;
49 }
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error message.
QString validationError(Context *c, const QVariant &errorData=QVariant()) const
Returns a descriptive error message if validation failed.
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Performs the validation and returns the result.
Stores custom error messages and the input field label.
The Cutelyst Context.
Definition: context.h:38
bool isEmpty() const const
~ValidatorRequired() override
Deconstructs the required validator.
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition: context.cpp:490
The Cutelyst namespace holds all public Cutelyst API.
Definition: Mainpage.dox:7
Base class for all validator rules.
QString label(Context *c) const
Returns the human readable field label used for generic error messages.
ValidatorRequired(const QString &field, const ValidatorMessages &messages=ValidatorMessages())
Constructs a new required validator.
QString value(const ParamsMultiMap &params) const
Returns the value of the field from the input params.
Contains the result of a single input parameter validation.
Definition: validatorrule.h:49
QString arg(Args &&... args) const const
void setValue(QVariant &&value)