cutelyst 5.0.0
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorcharnotallowed.cpp
1/*
2 * SPDX-FileCopyrightText: (C) 2019-2025 Matthias Fehring <mf@huessenbergnetz.de>
3 * SPDX-License-Identifier: BSD-3-Clause
4 */
5
6#include "validatorcharnotallowed_p.h"
7
8using namespace Cutelyst;
9
11 const QString &forbiddenChars,
12 const ValidatorMessages &messages,
13 const QString &defValKey)
14 : ValidatorRule(*new ValidatorCharNotAllowedPrivate(field, forbiddenChars, messages, defValKey))
15{
16}
17
19
20std::optional<QChar> ValidatorCharNotAllowed::validate(const QString &value,
21 const QString &forbiddenChars)
22{
23 auto it = std::ranges::find_if(forbiddenChars, [&value](const QChar &forbiddenChar) {
24 return value.contains(forbiddenChar);
25 });
26
27 if (it != forbiddenChars.end()) {
28 return *it;
29 }
30
31 return {};
32}
33
35 const ParamsMultiMap &params) const
36{
38
39 Q_D(const ValidatorCharNotAllowed);
40
41 const QString v = value(params);
42 if (!v.isEmpty()) {
43 if (Q_LIKELY(!d->forbiddenChars.isEmpty())) {
44 auto foundChar = ValidatorCharNotAllowed::validate(v, d->forbiddenChars);
45 if (Q_LIKELY(!foundChar.has_value())) {
46 result.value.setValue(v);
47 } else {
48 result.errorMessage = validationError(c, foundChar.value());
49 }
50 } else {
51 qCWarning(C_VALIDATOR).noquote() << debugString(c) << "Empty validation data";
53 }
54 } else {
55 defaultValue(c, &result);
56 }
57
58 return result;
59}
60
62 const ParamsMultiMap &params,
63 ValidatorRtFn cb) const
64{
65 cb(validate(c, params));
66}
67
69{
70 const QChar foundChar = errorData.toChar();
71 Q_D(const ValidatorCharNotAllowed);
72 const QString _label = label(c);
73 if (_label.isEmpty()) {
74 //: %1 will be replaced by string of forbidden chars, %2 by the forbidden
75 //: char that has been found in the input
76 //% "Must not contain the following characters: “%1”. But it contains the "
77 //% "this illegal character: “%2”."
78 return c->qtTrId("cutelyst-valcharnotallowed-genvalerr")
79 .arg(d->forbiddenChars, QString(foundChar));
80 } else {
81 //: %1 will be replaced by the field label, %2 by the list of forbidden chars
82 //: as a string, %3 will be the forbidden char that has been found
83 //% "The text in the “%1“ field must not contain the following characters: "
84 //% "“%2“. But it contains this illegal character: “%3”."
85 return c->qtTrId("cutelyst-valcharnotallowed-genvalerr-label")
86 .arg(_label, d->forbiddenChars, QString(foundChar));
87 }
88}
89
91 const QVariant &errorData) const
92{
93 Q_UNUSED(errorData)
94 const QString _label = label(c);
95 if (_label.isEmpty()) {
96 //% "The list of illegal characters for this field is empty."
97 return c->qtTrId("cutelyst-valcharnotallowed-genvaldataerr");
98 } else {
99 //% "The list of illegal characters for the “%1“ field is empty."
100 return c->qtTrId("cutelyst-valcharnotallowed-genvaldataerr-label").arg(_label);
101 }
102}
The Cutelyst Context.
Definition context.h:42
QString qtTrId(const char *id, int n=-1) const
Definition context.h:657
Validates an input field for not allowed characters.
QString genericValidationDataError(Context *c, const QVariant &errorData=QVariant()) const override
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
void validateCb(Context *c, const ParamsMultiMap &params, ValidatorRtFn cb) const override
ValidatorCharNotAllowed(const QString &field, const QString &forbiddenChars, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey={})
Base class for all validator rules.
QString validationError(Context *c, const QVariant &errorData={}) const
QString label(const Context *c) const
QString debugString(const Context *c) const
QString validationDataError(Context *c, const QVariant &errorData={}) const
std::function< void(ValidatorReturnType &&result)> ValidatorRtFn
Void callback function for validator rules that processes the ValidatorReturnType.
void defaultValue(Context *c, ValidatorReturnType *result) const
QString value(const ParamsMultiMap &params) const
static std::optional< QChar > validate(const QString &value, const QString &forbiddenChars)
Returns true if value does not contain any of the forbideden characters.
The Cutelyst namespace holds all public Cutelyst API.
QString arg(Args &&... args) const const
bool contains(QChar ch, Qt::CaseSensitivity cs) const const
QString::iterator end()
bool isEmpty() const const
void setValue(QVariant &&value)
QChar toChar() const const
Stores custom error messages and the input field label.
Contains the result of a single input parameter validation.