cutelyst 3.9.1
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.
validatorsize.cpp
1/*
2 * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
3 * SPDX-License-Identifier: BSD-3-Clause
4 */
5
6#include "validatorsize_p.h"
7
8using namespace Cutelyst;
9
10ValidatorSize::ValidatorSize(const QString &field,
11 QMetaType::Type type,
12 const QVariant &size,
13 const Cutelyst::ValidatorMessages &messages,
14 const QString &defValKey)
15 : ValidatorRule(*new ValidatorSizePrivate(field, type, size, messages, defValKey))
16{
17}
18
22
23ValidatorReturnType ValidatorSize::validate(Context *c, const ParamsMultiMap &params) const
24{
25 ValidatorReturnType result;
26
27 const QString v = value(params);
28
29 if (!v.isEmpty()) {
30
31 Q_D(const ValidatorSize);
32 bool ok = false;
33 bool valid = false;
34
35 switch (d->type) {
36 case QMetaType::Short:
37 case QMetaType::Int:
38 case QMetaType::Long:
39 case QMetaType::LongLong:
40 {
41 const qlonglong val = c->locale().toLongLong(v, &ok);
42 if (Q_UNLIKELY(!ok)) {
43 result.errorMessage = parsingError(c);
44 qCWarning(C_VALIDATOR,
45 "ValidatorSize: Failed to parse value of field %s into number at %s::%s.",
46 qPrintable(field()),
47 qPrintable(c->controllerName()),
48 qPrintable(c->actionName()));
49 } else {
50 const qlonglong size = d->extractLongLong(c, params, d->size, &ok);
51 if (Q_UNLIKELY(!ok)) {
52 result.errorMessage = validationDataError(c, 1);
53 qCWarning(C_VALIDATOR,
54 "ValidatorSize: Invalid comparison size for field %s in %s::%s.",
55 qPrintable(field()),
56 qPrintable(c->controllerName()),
57 qPrintable(c->actionName()));
58 } else {
59 if (val != size) {
60 result.errorMessage =
61 validationError(c,
62 QVariantMap{{QStringLiteral("val"), val},
63 {QStringLiteral("size"), size}});
64 qCDebug(C_VALIDATOR,
65 "ValidatorSize: Validation failed for field %s in %s::%s: value is "
66 "not %lli.",
67 qPrintable(field()),
68 qPrintable(c->controllerName()),
69 qPrintable(c->actionName()),
70 size);
71 } else {
72 valid = true;
73 }
74 }
75 }
76 } break;
77 case QMetaType::UShort:
78 case QMetaType::UInt:
79 case QMetaType::ULong:
80 case QMetaType::ULongLong:
81 {
82 const qulonglong val = v.toULongLong(&ok);
83 if (Q_UNLIKELY(!ok)) {
84 result.errorMessage = parsingError(c);
85 qCWarning(C_VALIDATOR,
86 "ValidatorSize: Failed to parse value of field %s into number at %s::%s.",
87 qPrintable(field()),
88 qPrintable(c->controllerName()),
89 qPrintable(c->actionName()));
90 } else {
91 const qulonglong size = d->extractULongLong(c, params, d->size, &ok);
92 if (Q_UNLIKELY(!ok)) {
93 result.errorMessage = validationDataError(c, 1);
94 qCWarning(
95 C_VALIDATOR,
96 "ValidatorSize: Invalid maximum comparison value for field %s in %s::%s.",
97 qPrintable(field()),
98 qPrintable(c->controllerName()),
99 qPrintable(c->actionName()));
100 } else {
101 if (val != size) {
102 result.errorMessage =
103 validationError(c,
104 QVariantMap{{QStringLiteral("val"), val},
105 {QStringLiteral("size"), size}});
106 qCDebug(C_VALIDATOR,
107 "ValidatorSize: Validation failed for field %s in %s::%s: value is "
108 "not %llu.",
109 qPrintable(field()),
110 qPrintable(c->controllerName()),
111 qPrintable(c->actionName()),
112 size);
113 } else {
114 valid = true;
115 }
116 }
117 }
118 } break;
119 case QMetaType::Float:
120 case QMetaType::Double:
121 {
122 const double val = v.toDouble(&ok);
123 if (Q_UNLIKELY(!ok)) {
124 result.errorMessage = parsingError(c);
125 qCWarning(C_VALIDATOR,
126 "ValidatorSize: Failed to parse value of field %s into number at %s::%s.",
127 qPrintable(field()),
128 qPrintable(c->controllerName()),
129 qPrintable(c->actionName()));
130 } else {
131 const double size = d->extractDouble(c, params, d->size, &ok);
132 if (Q_UNLIKELY(!ok)) {
133 result.errorMessage = validationDataError(c, 1);
134 qCWarning(
135 C_VALIDATOR,
136 "ValidatorSize: Invalid maximum comparison value for field %s in %s::%s.",
137 qPrintable(field()),
138 qPrintable(c->controllerName()),
139 qPrintable(c->actionName()));
140 } else {
141 if (val != size) {
142 result.errorMessage =
143 validationError(c,
144 QVariantMap{{QStringLiteral("val"), val},
145 {QStringLiteral("size"), size}});
146 qCDebug(C_VALIDATOR,
147 "ValidatorSize: Validation failed for field %s in %s::%s: value is "
148 "not %f.",
149 qPrintable(field()),
150 qPrintable(c->controllerName()),
151 qPrintable(c->actionName()),
152 size);
153 } else {
154 valid = true;
155 }
156 }
157 }
158 } break;
159 case QMetaType::QString:
160 {
161 const qlonglong val = static_cast<qlonglong>(v.length());
162 const qlonglong size = d->extractLongLong(c, params, d->size, &ok);
163 if (Q_UNLIKELY(!ok)) {
164 result.errorMessage = validationDataError(c, 1);
165 qCWarning(C_VALIDATOR,
166 "ValidatorSize: Invalid maximum comparison value for field %s in %s::%s.",
167 qPrintable(field()),
168 qPrintable(c->controllerName()),
169 qPrintable(c->actionName()));
170 } else {
171 if (val != size) {
172 result.errorMessage = validationError(
173 c,
174 QVariantMap{{QStringLiteral("val"), val}, {QStringLiteral("size"), size}});
175 qCDebug(C_VALIDATOR,
176 "ValidatorSize: Validation failed for field %s in %s::%s: string "
177 "length is not %lli.",
178 qPrintable(field()),
179 qPrintable(c->controllerName()),
180 qPrintable(c->actionName()),
181 size);
182 } else {
183 valid = true;
184 }
185 }
186 } break;
187 default:
188 qCWarning(C_VALIDATOR,
189 "ValidatorSize: The comparison type with ID %i for field %s at %s::%s is not "
190 "supported.",
191 static_cast<int>(d->type),
192 qPrintable(field()),
193 qPrintable(c->controllerName()),
194 qPrintable(c->actionName()));
195 result.errorMessage = validationDataError(c, 0);
196 break;
197 }
198
199 if (valid) {
200 if (d->type != QMetaType::QString) {
201 const QVariant _v = d->valueToNumber(c, v, d->type);
202 if (_v.isValid()) {
203 result.value = _v;
204 } else {
205 result.errorMessage = parsingError(c);
206 }
207 } else {
208 result.value.setValue(v);
209 }
210 }
211 } else {
212 defaultValue(c, &result, "ValidatorSize");
213 }
214
215 return result;
216}
217
218QString ValidatorSize::genericValidationError(Context *c, const QVariant &errorData) const
219{
220 QString error;
221
222 Q_D(const ValidatorSize);
223
224 const QVariantMap map = errorData.toMap();
225 QString size;
226 switch (d->type) {
227 case QMetaType::Short:
228 case QMetaType::Int:
229 case QMetaType::Long:
230 case QMetaType::LongLong:
231 case QMetaType::QString:
232 size = c->locale().toString(map.value(QStringLiteral("size")).toLongLong());
233 break;
234 case QMetaType::UShort:
235 case QMetaType::UInt:
236 case QMetaType::ULong:
237 case QMetaType::ULongLong:
238 size = c->locale().toString(map.value(QStringLiteral("size")).toULongLong());
239 break;
240 case QMetaType::Float:
241 case QMetaType::Double:
242 size = c->locale().toString(map.value(QStringLiteral("size")).toDouble());
243 break;
244 default:
245 error = validationDataError(c);
246 return error;
247 }
248
249 const QString _label = label(c);
250
251 if (_label.isEmpty()) {
252 if (d->type == QMetaType::QString) {
253 //: %1 will be replaced by the required string size
254 error = c->translate("Cutelyst::ValidatorSize",
255 "The text must be exactly %1 characters long.")
256 .arg(size);
257 } else {
258 //: %1 will be replaced by the required size/value
259 error = c->translate("Cutelyst::ValidatorSize", "The value must be %1.").arg(size);
260 }
261 } else {
262 if (d->type == QMetaType::QString) {
263 //: %1 will be replaced by the field label, %2 will be replaced by the required string
264 //: size
265 error = c->translate("Cutelyst::ValidatorSize",
266 "The text in the “%1“ field must be exactly %2 characters long.")
267 .arg(_label, size);
268 } else {
269 //: %1 will be replaced by the field label, %2 will be replaced by the required
270 //: size/value
271 error =
272 c->translate("Cutelyst::ValidatorSize", "The value in the “%1” field must be %2.")
273 .arg(_label, size);
274 }
275 }
276
277 return error;
278}
279
280QString ValidatorSize::genericValidationDataError(Context *c, const QVariant &errorData) const
281{
282 QString error;
283
284 int field = errorData.toInt();
285 const QString _label = label(c);
286
287 if (field == 0) {
288 Q_D(const ValidatorSize);
289 if (_label.isEmpty()) {
290 error = c->translate("Cutelyst::ValidatorSize",
291 "The comparison type with ID %1 is not supported.")
292 .arg(static_cast<int>(d->type));
293 } else {
294 error =
295 c->translate("Cutelyst::ValidatorSize",
296 "The comparison type with ID %1 for the “%2” field is not supported.")
297 .arg(QString::number(static_cast<int>(d->type)), _label);
298 }
299 } else if (field == 1) {
300 if (_label.isEmpty()) {
301 error = c->translate("Cutelyst::ValidatorSize", "The comparison value is not valid.");
302 } else {
303 //: %1 will be replaced by the field label
304 error = c->translate("Cutelyst::ValidatorSize",
305 "The comparison value for the “%1” field is not valid.")
306 .arg(_label);
307 }
308 }
309
310 return error;
311}
312
313QString ValidatorSize::genericParsingError(Context *c, const QVariant &errorData) const
314{
315 QString error;
316 Q_UNUSED(errorData)
317 Q_D(const ValidatorSize);
318
319 const QString _label = label(c);
320 if ((d->type == QMetaType::Float) || (d->type == QMetaType::Double)) {
321 if (_label.isEmpty()) {
322 error = c->translate("Cutelyst::ValidatorSize",
323 "Failed to parse the input value into a floating point number.");
324 } else {
325 //: %1 will be replaced by the field label
326 error = c->translate("Cutelyst::ValidatorSize",
327 "Failed to parse the input value for the “%1” field into a "
328 "floating point number.")
329 .arg(_label);
330 }
331 } else {
332 if (_label.isEmpty()) {
333 error = c->translate("Cutelyst::ValidatorSize",
334 "Failed to parse the input value into an integer number.");
335 } else {
336 //: %1 will be replaced by the field label
337 error =
338 c->translate(
339 "Cutelyst::ValidatorSize",
340 "Failed to parse the input value for the “%1” field into an integer number.")
341 .arg(_label);
342 }
343 }
344
345 return error;
346}
Cutelyst::Context
The Cutelyst Context.
Definition context.h:39
Cutelyst::Context::locale
QLocale locale() const noexcept
Definition context.cpp:466
Cutelyst::Context::translate
QString translate(const char *context, const char *sourceText, const char *disambiguation=nullptr, int n=-1) const
Definition context.cpp:490
Cutelyst::ValidatorRule::label
QString label(Context *c) const
Returns the human readable field label used for generic error messages.
Definition validatorrule.cpp:52
Cutelyst::ValidatorRule::field
QString field() const
Returns the name of the field to validate.
Definition validatorrule.cpp:29
Cutelyst::ValidatorRule::parsingError
QString parsingError(Context *c, const QVariant &errorData=QVariant()) const
Returns an error message if an error occurred while parsing input.
Definition validatorrule.cpp:98
Cutelyst::ValidatorRule::defaultValue
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 ...
Definition validatorrule.cpp:162
Cutelyst::ValidatorRule::ValidatorRule
ValidatorRule(const QString &field, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Constructs a new ValidatorRule with the given parameters.
Definition validatorrule.cpp:13
Cutelyst::ValidatorRule::value
QString value(const ParamsMultiMap &params) const
Returns the value of the field from the input params.
Definition validatorrule.cpp:35
Cutelyst::ValidatorRule::validationDataError
QString validationDataError(Context *c, const QVariant &errorData=QVariant()) const
Returns an error message if any validation data is missing or invalid.
Definition validatorrule.cpp:130
Cutelyst::ValidatorRule::validationError
QString validationError(Context *c, const QVariant &errorData=QVariant()) const
Returns a descriptive error message if validation failed.
Definition validatorrule.cpp:66
Cutelyst::ValidatorSize::~ValidatorSize
~ValidatorSize() override
Deconstructs the size validator.
Definition validatorsize.cpp:19
Cutelyst::ValidatorSize::genericValidationError
QString genericValidationError(Context *c, const QVariant &errorData=QVariant()) const override
Returns a generic error message if validation failed.
Definition validatorsize.cpp:218
Cutelyst::ValidatorSize::ValidatorSize
ValidatorSize(const QString &field, QMetaType::Type type, const QVariant &size, const ValidatorMessages &messages=ValidatorMessages(), const QString &defValKey=QString())
Constructs a new size validator.
Definition validatorsize.cpp:10
Cutelyst::ValidatorSize::genericParsingError
QString genericParsingError(Context *c, const QVariant &errorData) const override
Returns a generic error message for input value parsing errors.
Definition validatorsize.cpp:313
Cutelyst::ValidatorSize::genericValidationDataError
QString genericValidationDataError(Context *c, const QVariant &errorData) const override
Returns a generic error message for validation data errors.
Definition validatorsize.cpp:280
Cutelyst::ValidatorSize::validate
ValidatorReturnType validate(Context *c, const ParamsMultiMap &params) const override
Performs the validation and returns the result.
Definition validatorsize.cpp:23
Cutelyst
The Cutelyst namespace holds all public Cutelyst API.
Definition Mainpage.dox:8
Cutelyst::ParamsMultiMap
QMultiMap< QString, QString > ParamsMultiMap
Definition paramsmultimap.h:23
QLocale::toLongLong
qlonglong toLongLong(const QString &s, bool *ok) const const
QLocale::toString
QString toString(qlonglong i) const const
QString::arg
QString arg(qlonglong a, int fieldWidth, int base, QChar fillChar) const const
QString::isEmpty
bool isEmpty() const const
QString::length
int length() const const
QString::number
QString number(int n, int base)
QString::toDouble
double toDouble(bool *ok) const const
QString::toULongLong
qulonglong toULongLong(bool *ok, int base) const const
QVariant::isValid
bool isValid() const const
QVariant::setValue
void setValue(const T &value)
QVariant::toInt
int toInt(bool *ok) const const
QVariant::toMap
QMap< QString, QVariant > toMap() const const
Cutelyst::ValidatorMessages
Stores custom error messages and the input field label.
Definition validatorrule.h:135
Cutelyst::ValidatorReturnType
Contains the result of a single input parameter validation.
Definition validatorrule.h:49