validatoralphadash.cpp

/*
 * SPDX-FileCopyrightText: (C) 2017-2022 Matthias Fehring <mf@huessenbergnetz.de>
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#include "validatoralphadash_p.h"
 
#include <QRegularExpression>
 
using namespace Cutelyst;
 
ValidatorAlphaDash::ValidatorAlphaDash(const QString &field,
                                       bool asciiOnly,
                                       const ValidatorMessages &messages,
                                       const QString &defValKey)
    : ValidatorRule(*new ValidatorAlphaDashPrivate(field, asciiOnly, messages, defValKey))
{
}
 
ValidatorAlphaDash::~ValidatorAlphaDash()
{
}
 
ValidatorReturnType ValidatorAlphaDash::validate(Context *c, const ParamsMultiMap &params) const
{
    ValidatorReturnType result;
 
    Q_D(const ValidatorAlphaDash);
 
    const QString v = value(params);
    if (!v.isEmpty()) {
        if (Q_LIKELY(ValidatorAlphaDash::validate(v, d->asciiOnly))) {
            result.value.setValue(v);
        } else {
            qCDebug(C_VALIDATOR,
                    "ValidatorAlphaDash: Validation failed for field %s at %s::%s: %s contains "
                    "characters that are not allowed.",
                    qPrintable(field()),
                    qPrintable(c->controllerName()),
                    qPrintable(c->actionName()),
                    qPrintable(v));
            result.errorMessage = validationError(c);
        }
    } else {
        defaultValue(c, &result, "ValidatorAlphaDash");
    }
 
    return result;
}
 
bool ValidatorAlphaDash::validate(const QString &value, bool asciiOnly)
{
    bool valid = true;
    if (asciiOnly) {
        for (const QChar &ch : value) {
            const ushort &uc = ch.unicode();
            if (!(((uc > 64) && (uc < 91)) || ((uc > 96) && (uc < 123)) ||
                  ((uc > 47) && (uc < 58)) || (uc == 45) || (uc == 95))) {
                valid = false;
                break;
            }
        }
    } else {
        valid = value.contains(QRegularExpression(QStringLiteral("^[\\pL\\pM\\pN_-]+$")));
    }
    return valid;
}
 
QString ValidatorAlphaDash::genericValidationError(Cutelyst::Context *c,
                                                   const QVariant &errorData) const
{
    QString error;
    Q_UNUSED(errorData)
    Q_D(const ValidatorAlphaDash);
    const QString _label = label(c);
    if (_label.isEmpty()) {
        if (d->asciiOnly) {
            error = c->translate(
                "Cutelyst::ValidatorAlphaDash",
                "Must only contain alpha-numeric latin characters, dashes and underscores.");
        } else {
            error =
                c->translate("Cutelyst::ValidatorAlphaDash",
                             "Must only contain alpha-numeric characters, dashes and underscores.");
        }
    } else {
        if (d->asciiOnly) {
            //: %1 will be replaced by the field label
            error = c->translate("Cutelyst::ValidatorAlphaDash",
                                 "The text in the “%1” field must only contain alpha-numeric latin "
                                 "characters, dashes and underscores.")
                        .arg(_label);
        } else {
            //: %1 will be replaced by the field label
            error = c->translate("Cutelyst::ValidatorAlphaDash",
                                 "The text in the “%1” field must only contain alpha-numeric "
                                 "characters, dashes and underscores.")
                        .arg(_label);
        }
    }
    return error;
}