cutelyst  4.5.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatornumeric.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2023 Matthias Fehring <mf@huessenbergnetz.de>
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 
6 #include "validatornumeric_p.h"
7 
8 using namespace Cutelyst;
9 
11  const Cutelyst::ValidatorMessages &messages,
12  const QString &defValKey)
13  : ValidatorRule(*new ValidatorNumericPrivate(field, messages, defValKey))
14 {
15 }
16 
18 
20 {
21  ValidatorReturnType result;
22 
23  const QString v = value(params);
24 
25  if (!v.isEmpty()) {
26  bool ok = false;
27  const auto _v = v.toDouble(&ok);
28  if (Q_LIKELY(ok)) {
29  result.value.setValue(_v);
30  } else {
31  qCDebug(C_VALIDATOR).noquote().nospace()
32  << debugString(c) << " Can not convert input value \"" << v
33  << "\" into a numeric value";
34  result.errorMessage = validationError(c);
35  }
36  } else {
37  defaultValue(c, &result);
38  }
39 
40  return result;
41 }
42 
44 {
45  Q_UNUSED(errorData)
46  const QString _label = label(c);
47  if (_label.isEmpty()) {
48  //% "Must be numeric, like 1, -2.5 or 3.454e3."
49  return c->qtTrId("cutelyst-valnumeric-genvalerr");
50  } else {
51  //: %1 will be replaced by the field label
52  //% "You have to enter a numeric value into the “%1” field, like 1, -2.5 or 3.454e3."
53  return c->qtTrId("cutelyst-valnumeric-genvalerr-label").arg(_label);
54  }
55 }
The Cutelyst Context.
Definition: context.h:42
QString qtTrId(const char *id, int n=-1) const
Definition: context.h:656
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
ValidatorNumeric(const QString &field, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Base class for all validator rules.
QString validationError(Context *c, const QVariant &errorData={}) const
QString label(Context *c) const
void defaultValue(Context *c, ValidatorReturnType *result) const
QString value(const ParamsMultiMap &params) const
QString debugString(Context *c) const
The Cutelyst namespace holds all public Cutelyst API.
QString arg(Args &&... args) const const
bool isEmpty() const const
double toDouble(bool *ok) const const
void setValue(QVariant &&value)
Stores custom error messages and the input field label.
Contains the result of a single input parameter validation.
Definition: validatorrule.h:49