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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "algorithm.h"
#include "languageserverprotocol_global.h"
#include "lsputils.h"
#include <QCoreApplication>
#include <QDebug>
#include <QJsonObject>
#include <optional>
namespace lsp {
class LANGUAGESERVERPROTOCOL_EXPORT JsonObject
{
public:
using iterator = QJsonObject::iterator;
using const_iterator = QJsonObject::const_iterator;
JsonObject() = default;
explicit JsonObject(const QJsonObject &object) : m_jsonObject(object) { }
explicit JsonObject(QJsonObject &&object) : m_jsonObject(std::move(object)) { }
JsonObject(const JsonObject &object) : m_jsonObject(object.m_jsonObject) { }
JsonObject(JsonObject &&object) : m_jsonObject(std::move(object.m_jsonObject)) { }
explicit JsonObject(const QJsonValue &value) : m_jsonObject(value.toObject()) { }
virtual ~JsonObject() = default;
JsonObject &operator=(const JsonObject &other);
JsonObject &operator=(JsonObject &&other);
bool operator==(const JsonObject &other) const { return m_jsonObject == other.m_jsonObject; }
operator const QJsonObject&() const { return m_jsonObject; }
virtual bool isValid() const { return true; }
iterator end() { return m_jsonObject.end(); }
const_iterator end() const { return m_jsonObject.end(); }
iterator insert(const std::string_view key, const JsonObject &value);
iterator insert(const std::string_view key, const QJsonValue &value);
protected:
template <typename T, typename V>
iterator insertVariant(const std::string_view key, const V &variant);
template <typename T1, typename T2, typename... Args, typename V>
iterator insertVariant(const std::string_view key, const V &variant);
// QJSonObject redirections
QJsonValue value(const std::string_view key) const { return m_jsonObject.value(QLatin1String(key.data())); }
bool contains(const std::string_view key) const { return m_jsonObject.contains(QLatin1String(key.data())); }
iterator find(const std::string_view key) { return m_jsonObject.find(QLatin1String(key.data())); }
const_iterator find(const std::string_view key) const { return m_jsonObject.find(QLatin1String(key.data())); }
void remove(const std::string_view key) { m_jsonObject.remove(QLatin1String(key.data())); }
QStringList keys() const { return m_jsonObject.keys(); }
// convenience value access
template<typename T>
T typedValue(const std::string_view key) const;
template<typename T>
std::optional<T> optionalValue(const std::string_view key) const;
template<typename T>
LanguageClientValue<T> clientValue(const std::string_view key) const;
template<typename T>
std::optional<LanguageClientValue<T>> optionalClientValue(const std::string_view key) const;
template<typename T>
QList<T> array(const std::string_view key) const;
template<typename T>
std::optional<QList<T>> optionalArray(const std::string_view key) const;
template<typename T>
LanguageClientArray<T> clientArray(const std::string_view key) const;
template<typename T>
std::optional<LanguageClientArray<T>> optionalClientArray(const std::string_view key) const;
template<typename T>
void insertArray(const std::string_view key, const QList<T> &array);
template<typename>
void insertArray(const std::string_view key, const QList<JsonObject> &array);
private:
QJsonObject m_jsonObject;
};
template<typename T, typename V>
JsonObject::iterator JsonObject::insertVariant(const std::string_view key, const V &variant)
{
return std::holds_alternative<T>(variant) ? insert(key, std::get<T>(variant)) : end();
}
template<typename T1, typename T2, typename... Args, typename V>
JsonObject::iterator JsonObject::insertVariant(const std::string_view key, const V &variant)
{
auto result = insertVariant<T1>(key, variant);
return result != end() ? result : insertVariant<T2, Args...>(key, variant);
}
template<typename T>
T JsonObject::typedValue(const std::string_view key) const
{
return fromJsonValue<T>(value(key));
}
template<typename T>
std::optional<T> JsonObject::optionalValue(const std::string_view key) const
{
const QJsonValue &val = value(key);
return val.isUndefined() ? std::nullopt : std::make_optional(fromJsonValue<T>(val));
}
template<typename T>
LanguageClientValue<T> JsonObject::clientValue(const std::string_view key) const
{
return LanguageClientValue<T>(value(key));
}
template<typename T>
std::optional<LanguageClientValue<T>> JsonObject::optionalClientValue(const std::string_view key) const
{
return contains(key) ? std::make_optional(clientValue<T>(key)) : std::nullopt;
}
template<typename T>
QList<T> JsonObject::array(const std::string_view key) const
{
if (const std::optional<QList<T>> &array = optionalArray<T>(key))
return *array;
qCDebug(conversionLog) << QString("Expected array under %1 in:")
.arg(QLatin1String(key.data())) << *this;
return {};
}
template<typename T>
std::optional<QList<T>> JsonObject::optionalArray(const std::string_view key) const
{
const QJsonValue &jsonValue = value(key);
if (jsonValue.isUndefined())
return std::nullopt;
return Utils::transform<QList<T>>(jsonValue.toArray(), &fromJsonValue<T>);
}
template<typename T>
LanguageClientArray<T> JsonObject::clientArray(const std::string_view key) const
{
return LanguageClientArray<T>(value(key));
}
template<typename T>
std::optional<LanguageClientArray<T>> JsonObject::optionalClientArray(const std::string_view key) const
{
const QJsonValue &val = value(key);
return !val.isUndefined() ? std::make_optional(LanguageClientArray<T>(value(key)))
: std::nullopt;
}
template<typename T>
void JsonObject::insertArray(const std::string_view key, const QList<T> &array)
{
QJsonArray jsonArray;
for (const T &item : array)
jsonArray.append(QJsonValue(item));
insert(key, jsonArray);
}
template<typename >
void JsonObject::insertArray(const std::string_view key, const QList<JsonObject> &array)
{
QJsonArray jsonArray;
for (const JsonObject &item : array)
jsonArray.append(item.m_jsonObject);
insert(key, jsonArray);
}
} // namespace lsp
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