cutelyst 3.9.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatornumeric.cpp
1/*
2 * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
3 * SPDX-License-Identifier: BSD-3-Clause
4 */
5
6#include "validatornumeric_p.h"
7
8using namespace Cutelyst;
9
11 const Cutelyst::ValidatorMessages &messages,
12 const QString &defValKey)
13 : ValidatorRule(*new ValidatorNumericPrivate(field, messages, defValKey))
14{
15}
16
20
22{
24
25 const QString v = value(params);
26
27 if (!v.isEmpty()) {
28 bool ok = false;
29 const double _v = v.toDouble(&ok);
30 if (Q_LIKELY(ok)) {
31 result.value.setValue(_v);
32 } else {
33 qCDebug(C_VALIDATOR,
34 "ValidatorNumeric: Validation failed for field %s at %s::%s: can not convert "
35 "input value into a numeric value.",
36 qPrintable(field()),
37 qPrintable(c->controllerName()),
38 qPrintable(c->actionName()));
39 result.errorMessage = validationError(c);
40 }
41 } else {
42 defaultValue(c, &result, "ValidatorNumeric");
43 }
44
45 return result;
46}
47
49{
50 QString error;
51 Q_UNUSED(errorData)
52 const QString _label = label(c);
53 if (_label.isEmpty()) {
54 error =
55 c->translate("Cutelyst::ValidatorNumeric", "Must be numeric, like 1, -2.5 or 3.454e3.");
56 } else {
57 //: %1 will be replaced by the field label
58 error =
59 c->translate(
60 "Cutelyst::ValidatorNumeric",
61 "You have to enter a numeric value into the “%1” field, like 1, -2.5 or 3.454e3.")
62 .arg(_label);
63 }
64 return error;
65}
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
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 if validation failed.
ValidatorNumeric(const QString &field, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Constructs a new numeric validator.
~ValidatorNumeric() override
Deconstructs the numeric 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.
void defaultValue(Context *c, ValidatorReturnType *result, const char *validatorName) const
I a defValKey has been set in the constructor, this will try to get the default value from the stash ...
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
double toDouble(bool *ok) 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.