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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "languageserverprotocol_global.h"
#include <utils/algorithm.h>
#include <utils/mimetypes/mimetype.h>
#include <utils/optional.h>
#include <utils/qtcassert.h>
#include <utils/variant.h>
#include <QJsonArray>
#include <QJsonObject>
#include <QLoggingCategory>
namespace LanguageServerProtocol {
LANGUAGESERVERPROTOCOL_EXPORT Q_DECLARE_LOGGING_CATEGORY(conversionLog)
template <typename T>
T fromJsonValue(const QJsonValue &value)
{
if (conversionLog().isDebugEnabled() && !value.isObject())
qCDebug(conversionLog) << "Expected Object in json value but got: " << value;
return T(value.toObject());
}
template<>
LANGUAGESERVERPROTOCOL_EXPORT QString fromJsonValue<QString>(const QJsonValue &value);
template<>
LANGUAGESERVERPROTOCOL_EXPORT int fromJsonValue<int>(const QJsonValue &value);
template<>
LANGUAGESERVERPROTOCOL_EXPORT double fromJsonValue<double>(const QJsonValue &value);
template<>
LANGUAGESERVERPROTOCOL_EXPORT bool fromJsonValue<bool>(const QJsonValue &value);
template<>
LANGUAGESERVERPROTOCOL_EXPORT QJsonArray fromJsonValue<QJsonArray>(const QJsonValue &value);
template <typename T>
class LanguageClientArray : public Utils::variant<QList<T>, std::nullptr_t>
{
public:
using Utils::variant<QList<T>, std::nullptr_t>::variant;
using Utils::variant<QList<T>, std::nullptr_t>::operator=;
LanguageClientArray() {}
LanguageClientArray(const QList<T> &list)
{ *this = list; }
LanguageClientArray(const QJsonValue &value)
{
if (value.isArray()) {
QList<T> values;
values.reserve(value.toArray().count());
for (auto arrayValue : value.toArray())
values << fromJsonValue<T>(arrayValue);
*this = values;
} else {
*this = nullptr;
}
}
QJsonValue toJson() const
{
if (const auto list = Utils::get_if<QList<T>>(this)) {
QJsonArray array;
for (const T &value : *list)
array.append(QJsonValue(value));
return array;
}
return QJsonValue();
}
QList<T> toList() const
{
QTC_ASSERT(Utils::holds_alternative<QList<T>>(*this), return {});
return Utils::get<QList<T>>(*this);
}
bool isNull() const { return Utils::holds_alternative<std::nullptr_t>(*this); }
};
template <typename T>
class LanguageClientValue : public Utils::variant<T, std::nullptr_t>
{
public:
using Utils::variant<T, std::nullptr_t>::operator=;
LanguageClientValue() : Utils::variant<T, std::nullptr_t>(nullptr) { }
LanguageClientValue(const T &value) : Utils::variant<T, std::nullptr_t>(value) { }
LanguageClientValue(const QJsonValue &value)
{
if (QTC_GUARD(value.isUndefined()) || value.isNull())
*this = nullptr;
else
*this = fromJsonValue<T>(value);
}
operator const QJsonValue() const
{
if (auto val = Utils::get_if<T>(this))
return QJsonValue(*val);
return QJsonValue();
}
T value(const T &defaultValue = T()) const
{
QTC_ASSERT(Utils::holds_alternative<T>(*this), return defaultValue);
return Utils::get<T>(*this);
}
template<typename Type>
LanguageClientValue<Type> transform()
{
QTC_ASSERT(!Utils::holds_alternative<T>(*this), return LanguageClientValue<Type>());
return Type(Utils::get<T>(*this));
}
bool isNull() const { return Utils::holds_alternative<std::nullptr_t>(*this); }
};
template <typename T>
QJsonArray enumArrayToJsonArray(const QList<T> &values)
{
QJsonArray array;
for (T value : values)
array.append(static_cast<int>(value));
return array;
}
template <typename T>
QList<T> jsonArrayToList(const QJsonArray &array)
{
QList<T> list;
for (const QJsonValue &val : array)
list << fromJsonValue<T>(val);
return list;
}
class LANGUAGESERVERPROTOCOL_EXPORT ErrorHierarchy
{
public:
ErrorHierarchy() = default;
void setError(const QString &error) { m_error = error; }
void prependMember(const QString &member) { m_hierarchy.prepend(member); }
void addVariantHierachy(const ErrorHierarchy &subError) { m_children.append(subError); }
void clear();
bool isEmpty() const;
QString toString() const;
bool operator==(const ErrorHierarchy &other) const;
private:
QStringList m_hierarchy;
QList<ErrorHierarchy> m_children;
QString m_error;
};
} // namespace LanguageClient
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