cutelyst  3.9.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorin.cpp
1 /*
2  * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 
6 #include "validatorin_p.h"
7 
8 using namespace Cutelyst;
9 
11  const QVariant &values,
13  const Cutelyst::ValidatorMessages &messages,
14  const QString &defValKey)
15  : ValidatorRule(*new ValidatorInPrivate(field, values, cs, messages, defValKey))
16 {
17 }
18 
20 {
21 }
22 
24 {
25  ValidatorReturnType result;
26 
27  Q_D(const ValidatorIn);
28 
29  const QString v = value(params);
30  if (!v.isEmpty()) {
31  QStringList vals;
32 
33  if (d->values.userType() == QMetaType::QStringList) {
34  vals = d->values.toStringList();
35  } else if (d->values.userType() == QMetaType::QString) {
36  vals = c->stash(d->values.toString()).toStringList();
37  }
38 
39  if (vals.empty()) {
40  qCWarning(
41  C_VALIDATOR,
42  "ValidatorIn: The list of comparison values for the field %s at %s::%s is empty.",
43  qPrintable(field()),
44  qPrintable(c->controllerName()),
45  qPrintable(c->actionName()));
47  } else {
48  if (vals.contains(v, d->cs)) {
49  result.value.setValue(v);
50  } else {
51  qCDebug(C_VALIDATOR,
52  "ValidatorIn: Validation failed for field %s at %s::%s: \"%s\" is not part "
53  "of the list of comparison values.",
54  qPrintable(field()),
55  qPrintable(c->controllerName()),
56  qPrintable(c->actionName()),
57  qPrintable(v));
58  result.errorMessage = validationError(c, vals);
59  }
60  }
61  } else {
62  defaultValue(c, &result, "ValidatorIn");
63  }
64 
65  return result;
66 }
67 
69 {
70  QString error;
71  const QStringList vals = errorData.toStringList();
72  const QString _label = label(c);
73  if (_label.isEmpty()) {
74  //: %1 will be replaced by a comma separated list of allowed values
75  error = c->translate("Cutelyst::ValidatorIn", "Has to be one of the following values: %1")
76  .arg(c->locale().createSeparatedList(vals));
77  } else {
78  //: %1 will be replaced by the field label, %2 will be replaced by a comma separated list of
79  //: allowed values
80  error =
81  c->translate("Cutelyst::ValidatorIn",
82  "The value in the “%1” field has to be one of the following values: %2")
83  .arg(_label, c->locale().createSeparatedList(vals));
84  }
85  return error;
86 }
87 
89 {
90  QString error;
91  Q_UNUSED(errorData)
92  const QString _label = label(c);
93  if (_label.isEmpty()) {
94  error = c->translate("Cutelyst::ValidatorIn", "The list of comparison values is empty.");
95  } else {
96  //: %1 will be replaced by the field label
97  error = c->translate("Cutelyst::ValidatorIn",
98  "The list of comparison values for the “%1” field is empty.")
99  .arg(_label);
100  }
101  return error;
102 }
ValidatorIn(const QString &field, const QVariant &values, Qt::CaseSensitivity cs=Qt::CaseSensitive, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Constructs a new in validator.
Definition: validatorin.cpp:10
QString validationError(Context *c, const QVariant &errorData=QVariant()) const
Returns a descriptive error message if validation failed.
Stores custom error messages and the input field label.
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Performs the validation and returns the result.
Definition: validatorin.cpp:23
bool contains(const QString &str, Qt::CaseSensitivity cs) const const
The Cutelyst Context.
Definition: context.h:38
bool empty() const const
void stash(const QVariantHash &unite)
Definition: context.cpp:566
CaseSensitivity
bool isEmpty() const const
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition: context.cpp:490
QString validationDataError(Context *c, const QVariant &errorData=QVariant()) const
Returns an error message if any validation data is missing or invalid.
The Cutelyst namespace holds all public Cutelyst API.
Definition: Mainpage.dox:7
Base class for all validator rules.
~ValidatorIn() override
Deconstructs the in validator.
Definition: validatorin.cpp:19
QString genericValidationDataError(Context *c, const QVariant &errorData) const override
Returns a generic error messages if the list of comparison values is empty.
Definition: validatorin.cpp:88
QLocale locale() const noexcept
Definition: context.cpp:466
QString label(Context *c) const
Returns the human readable field label used for generic error messages.
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error message if validation failed.
Definition: validatorin.cpp:68
QString createSeparatedList(const QStringList &list) const const
void setValue(const T &value)
QString value(const ParamsMultiMap &params) const
Returns the value of the field from the input params.
QStringList toStringList() const const
QString arg(qlonglong a, int fieldWidth, int base, QChar fillChar) const const
QString field() const
Returns the name of the field to validate.
Checks if the field value is one from a list of values.
Definition: validatorin.h:34
Contains the result of a single input parameter validation.
Definition: validatorrule.h:49
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 ...