cutelyst 5.0.0
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorrequired.cpp
1/*
2 * SPDX-FileCopyrightText: (C) 2017-2025 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
17
19 const Cutelyst::ParamsMultiMap &params) const
20{
22
23 if (!params.contains(field())) {
24 qCDebug(C_VALIDATOR).noquote() << debugString(c) << "Field not found";
25 result.errorMessage = validationError(c);
26 return result;
27 }
28
29 const QString v = value(params);
30 if (Q_LIKELY(!v.isEmpty())) {
31 result.value.setValue(v);
32 } else {
33 qCDebug(C_VALIDATOR).noquote() << debugString(c) << "The field is empty";
34 result.errorMessage = validationError(c);
35 }
36
37 return result;
38}
39
41{
42 cb(validate(c, params));
43}
44
46 const QVariant &errorData) const
47{
48 Q_UNUSED(errorData)
49 const QString _label = label(c);
50 if (_label.isEmpty()) {
51 //% "This field is required."
52 return c->qtTrId("cutelyst-validator-genvalerr-req");
53 } else {
54 //: %1 will be replaced by the field label
55 //% "The “%1” field is required."
56 return c->qtTrId("cutelyst-validator-genvalerr-req-label").arg(_label);
57 }
58}
The Cutelyst Context.
Definition context.h:42
QString qtTrId(const char *id, int n=-1) const
Definition context.h:657
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error message.
void validateCb(Context *c, const ParamsMultiMap &params, ValidatorRtFn cb) const override
ValidatorRequired(const QString &field, const ValidatorMessages &messages={})
Base class for all validator rules.
QString field() const noexcept
QString validationError(Context *c, const QVariant &errorData={}) const
QString label(const Context *c) const
QString debugString(const Context *c) const
std::function< void(ValidatorReturnType &&result)> ValidatorRtFn
Void callback function for validator rules that processes the ValidatorReturnType.
QString value(const ParamsMultiMap &params) const
The Cutelyst namespace holds all public Cutelyst API.
bool contains(const Key &key) const const
QString arg(Args &&... args) const const
bool isEmpty() const const
void setValue(QVariant &&value)
Stores custom error messages and the input field label.
Contains the result of a single input parameter validation.