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
8using namespace Cutelyst;
9
11 const Cutelyst::ValidatorMessages &messages)
12 : ValidatorRule(*new ValidatorRequiredPrivate(field, messages))
13{
14}
15
19
21 const Cutelyst::ParamsMultiMap &params) const
22{
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}
The Cutelyst Context.
Definition context.h:39
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition context.cpp:490
~ValidatorRequired() override
Deconstructs the required validator.
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Performs the validation and returns the result.
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error message.
ValidatorRequired(const QString &field, const ValidatorMessages &messages=ValidatorMessages())
Constructs a new required validator.
QString label(Context *c) const
Returns the human readable field label used for generic error messages.
QString field() const
Returns the name of the field to validate.
ValidatorRule(const QString &field, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Constructs a new ValidatorRule with the given parameters.
QString value(const ParamsMultiMap &params) const
Returns the value of the field from the input params.
QString validationError(Context *c, const QVariant &errorData=QVariant()) const
Returns a descriptive error message if validation failed.
The Cutelyst namespace holds all public Cutelyst API.
Definition Mainpage.dox:8
QMultiMap< QString, QString > ParamsMultiMap
QString arg(qlonglong a, int fieldWidth, int base, QChar fillChar) const const
bool isEmpty() const const
void setValue(const T &value)
Stores custom error messages and the input field label.
Contains the result of a single input parameter validation.