cutelyst  5.0.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorpresent.h
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2025 Matthias Fehring <mf@huessenbergnetz.de>
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 #ifndef CUTELYSTVALIDATORPRESENT_H
6 #define CUTELYSTVALIDATORPRESENT_H
7 
8 #include "validatorrule.h"
9 
10 namespace Cutelyst {
11 
12 class ValidatorPresentPrivate;
13 
30 class CUTELYST_PLUGIN_UTILS_VALIDATOR_EXPORT ValidatorPresent : public ValidatorRule
31 {
32 public:
39  explicit ValidatorPresent(const QString &field, const ValidatorMessages &messages = {});
40 
44  ~ValidatorPresent() override;
45 
46 protected:
53  ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override;
54 
64  void validateCb(Context *c, const ParamsMultiMap &params, ValidatorRtFn cb) const override;
65 
69  QString genericValidationError(Context *c,
70  const QVariant &errorData = QVariant()) const override;
71 
72 private:
73  Q_DECLARE_PRIVATE(ValidatorPresent) // NOLINT(cppcoreguidelines-pro-type-reinterpret-cast)
74  Q_DISABLE_COPY(ValidatorPresent)
75 };
76 
77 } // namespace Cutelyst
78 
79 #endif // CUTELYSTVALIDATORPRESENT_H
Stores custom error messages and the input field label.
The field under validation must be present in input data but can be empty.
The Cutelyst Context.
Definition: context.h:42
The Cutelyst namespace holds all public Cutelyst API.
Base class for all validator rules.
std::function< void(ValidatorReturnType &&result)> ValidatorRtFn
Void callback function for validator rules that processes the ValidatorReturnType.
Definition: validatorrule.h:82
Contains the result of a single input parameter validation.
Definition: validatorrule.h:52