Files
pilotclient/src/blackmisc/json.cpp
Lars Toenning d29705a01b Throw error when parsed JSON is invalid
Without this error detection, the malformed bootstrap.json
stayed undetected. Hence, the old VATSIM FSD HTTP URL was used.
2023-10-05 18:27:18 +02:00

678 lines
19 KiB
C++

// SPDX-FileCopyrightText: Copyright (C) 2014 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
#include "blackmisc/json.h"
#include "blackmisc/imageutils.h"
#include "blackmisc/stringutils.h"
#include <QDateTime>
#include <QJsonDocument>
#include <QStringList>
using namespace BlackMisc;
class QPixmap;
const QJsonValue &operator>>(const QJsonValue &json, int &value)
{
value = json.toInt();
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, qlonglong &value)
{
value = static_cast<qlonglong>(json.toDouble());
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, qulonglong &value)
{
value = static_cast<qulonglong>(json.toDouble());
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, uint &value)
{
value = static_cast<uint>(json.toInt());
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, qint16 &value)
{
value = static_cast<qint16>(json.toInt());
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, QString &value)
{
value = json.toString();
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, std::string &value)
{
value = json.toString().toStdString();
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, QStringList &value)
{
for (auto &&element : json.toArray()) { value << element.toString(); }
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, double &value)
{
value = json.toDouble();
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, bool &value)
{
value = json.toBool();
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, QDateTime &value)
{
value = fromStringUtc(json.toString());
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, QPixmap &value)
{
const QString hex(json.toString());
BlackMisc::pngHexStringToPixmapRef(hex, value);
return json;
}
const QJsonValue &operator>>(const QJsonValue &json, QByteArray &value)
{
const QString hex(json.toString());
value = QByteArray::fromHex(hex.toLatin1());
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, int &value)
{
value = json.toInt();
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, qlonglong &value)
{
value = static_cast<qlonglong>(json.toDouble());
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, qulonglong &value)
{
value = static_cast<qulonglong>(json.toDouble());
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, uint &value)
{
value = static_cast<uint>(json.toInt());
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, qint16 &value)
{
value = static_cast<qint16>(json.toInt());
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, QString &value)
{
value = json.toString();
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, std::string &value)
{
value = json.toString().toStdString();
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, QStringList &value)
{
for (auto &&element : json.toArray()) { value << element.toString(); }
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, double &value)
{
value = json.toDouble();
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, bool &value)
{
value = json.toBool();
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, QDateTime &value)
{
value = fromStringUtc(json.toString());
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, QPixmap &value)
{
const QString hex(json.toString());
BlackMisc::pngHexStringToPixmapRef(hex, value);
return json;
}
QJsonValueRef operator>>(QJsonValueRef json, QByteArray &value)
{
const QString hex(json.toString());
value = QByteArray::fromHex(hex.toLatin1());
return json;
}
QJsonArray &operator<<(QJsonArray &json, const int value)
{
json.append(QJsonValue(value));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const qint16 value)
{
json.append(QJsonValue(value));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const qlonglong value)
{
json.append(QJsonValue(value));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const uint value)
{
json.append(QJsonValue(static_cast<int>(value)));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const qulonglong value)
{
json.append(QJsonValue(static_cast<int>(value)));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const QString &value)
{
json.append(QJsonValue(value));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const std::string &value)
{
json.append(QJsonValue(QString::fromStdString(value)));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const double value)
{
json.append(QJsonValue(value));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const bool value)
{
json.append(QJsonValue(value));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const QDateTime &value)
{
json.append(QJsonValue(value.toString()));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const QPixmap &value)
{
QString pm(BlackMisc::pixmapToPngHexString(value));
json.append(QJsonValue(pm));
return json;
}
QJsonArray &operator<<(QJsonArray &json, const QByteArray &value)
{
QString pm(QByteArray::fromHex(value));
json.append(QJsonValue(pm));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const int &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qint16 &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qulonglong &> &value)
{
json.insert(value.first, QJsonValue(static_cast<int>(value.second)));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qlonglong &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const uint &> &value)
{
json.insert(value.first, QJsonValue(static_cast<int>(value.second)));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QString &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const std::string &> &value)
{
json[value.first] = QJsonValue(QString::fromStdString(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QStringList &> &value)
{
json.insert(value.first, QJsonValue(QJsonArray::fromStringList(value.second)));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const double &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const bool &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QDateTime &> &value)
{
json.insert(value.first, QJsonValue(value.second.toString()));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QPixmap &> &value)
{
QString pm(BlackMisc::pixmapToPngHexString(value.second));
json.insert(value.first, pm);
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QByteArray &> &value)
{
QString pm(value.second.toHex());
json.insert(value.first, pm);
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const int &> &value)
{
json[value.first] = QJsonValue(value.second);
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const qint16 &> &value)
{
json[value.first] = QJsonValue(value.second);
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const qulonglong &> &value)
{
json[value.first] = QJsonValue(static_cast<int>(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const qlonglong &> &value)
{
json[value.first] = QJsonValue(value.second);
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const uint &> &value)
{
json[value.first] = QJsonValue(static_cast<int>(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const QString &> &value)
{
json[value.first] = QJsonValue(value.second);
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const std::string &> &value)
{
json[value.first] = QJsonValue(QString::fromStdString(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const QStringList &> &value)
{
json[value.first] = QJsonValue(QJsonArray::fromStringList(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const double &> &value)
{
json[value.first] = QJsonValue(value.second);
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const bool &> &value)
{
json[value.first] = QJsonValue(value.second);
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const QDateTime &> &value)
{
json[value.first] = QJsonValue(value.second.toString());
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const QPixmap &> &value)
{
QString pm(BlackMisc::pixmapToPngHexString(value.second));
json[value.first] = pm;
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<CExplicitLatin1String, const QByteArray &> &value)
{
json[value.first] = QString(value.second.toHex());
return json;
}
namespace BlackMisc::Json
{
QJsonObject jsonObjectFromString(const QString &json, bool acceptCacheFormat)
{
if (json.isEmpty()) { return QJsonObject(); }
QJsonParseError error {};
const QJsonDocument jsonDoc(QJsonDocument::fromJson(json.toUtf8(), &error));
if (error.error != QJsonParseError::NoError)
{
throw CJsonException(error.errorString());
}
return acceptCacheFormat ? Json::unwrapCache(jsonDoc.object()) : jsonDoc.object();
}
QString stringFromJsonObject(const QJsonObject &jsonObject, QJsonDocument::JsonFormat format)
{
const QJsonDocument doc(jsonObject);
const QString strJson(doc.toJson(format));
return strJson;
}
QJsonArray jsonArrayFromString(const QString &json)
{
if (json.isEmpty()) { return QJsonArray(); }
const QJsonDocument jsonDoc(QJsonDocument::fromJson(json.toUtf8()));
return jsonDoc.array();
}
QJsonObject &appendJsonObject(QJsonObject &target, const QJsonObject &toBeAppended)
{
if (toBeAppended.isEmpty()) return target;
const QStringList keys = toBeAppended.keys();
foreach (const QString &key, keys)
{
target.insert(key, toBeAppended.value(key));
}
return target;
}
QJsonObject getIncrementalObject(const QJsonObject &previousObject, const QJsonObject &currentObject)
{
QJsonObject incrementalObject = currentObject;
for (const auto &key : previousObject.keys()) // clazy:exclude=range-loop
{
if (previousObject.value(key).isObject())
{
auto child = getIncrementalObject(previousObject.value(key).toObject(), currentObject.value(key).toObject());
if (child.isEmpty())
incrementalObject.remove(key);
else
incrementalObject.insert(key, child);
}
else
{
if (currentObject.value(key) == previousObject.value(key))
incrementalObject.remove(key);
}
}
return incrementalObject;
}
QJsonObject applyIncrementalObject(const QJsonObject &previousObject, const QJsonObject &incrementalObject)
{
QJsonObject currentObject = previousObject;
for (const auto &key : incrementalObject.keys()) // clazy:exclude=range-loop
{
// If it is not an object, just insert the value
if (!incrementalObject.value(key).isObject())
{
currentObject.insert(key, incrementalObject.value(key));
}
else
{
auto child = applyIncrementalObject(currentObject.value(key).toObject(), incrementalObject.value(key).toObject());
currentObject.insert(key, child);
}
}
return currentObject;
}
bool looksLikeJson(const QString &json)
{
if (json.isEmpty()) { return false; }
const QString t = json.trimmed();
return t.startsWith('{') && t.endsWith('}');
}
bool looksLikeSwiftJson(const QString &json)
{
// further checks would go here
return looksLikeJson(json);
}
bool looksLikeSwiftDataObjectJson(const QJsonObject &object)
{
// key
// - type
// - value
if (object.size() != 1) { return false; }
const QStringList keys = object.keys();
if (keys.size() != 1) { return false; }
const QString key = keys.front();
const QJsonObject cacheObject = object.value(key).toObject();
return (cacheObject.contains("type") && cacheObject.contains("value"));
}
QJsonObject swiftDataObjectValue(const QString &jsonString)
{
const QJsonObject obj = jsonObjectFromString(jsonString);
if (obj.isEmpty()) { return obj; }
return swiftDataObjectValue(obj);
}
QJsonObject swiftDataObjectValue(const QJsonObject &object)
{
// key
// - type
// - value
if (object.size() != 1) { return object; } // no cache format
const QJsonObject cacheObject = object.constBegin()->toObject();
if (cacheObject.contains("type") && cacheObject.contains("value"))
{
#ifdef QT_DEBUG
const QString key = object.constBegin().key(); // clazy:exclude=unused-non-trivial-variable
const QString type = cacheObject.value("type").toString(); // clazy:exclude=unused-non-trivial-variable
Q_UNUSED(key);
Q_UNUSED(type);
#endif
return cacheObject.value("value").toObject();
}
return object;
}
QJsonObject unwrapCache(const QJsonObject &object)
{
if (object.size() != 1) { return object; } // no cache format
const QJsonObject cacheObject = object.constBegin()->toObject();
if (cacheObject.contains("type") && cacheObject.contains("value"))
{
// return object in form type/value
const QString type = cacheObject.value("type").toString(); // just to verify in debugger
Q_UNUSED(type);
return cacheObject;
}
return object;
}
QJsonObject unwrapCache(const QString &jsonString)
{
const QJsonObject obj = jsonObjectFromString(jsonString);
if (obj.isEmpty()) { return obj; }
return unwrapCache(obj);
}
bool looksLikeSwiftContainerJson(const QJsonObject &object)
{
// CContainerbase::convertFromJson
return object.contains("containerbase");
}
bool looksLikeSwiftTypeValuePairJson(const QJsonObject &object)
{
return (object.contains("type") && object.contains("value"));
}
bool looksLikeSwiftDbJson(const QJsonObject &object)
{
return (object.contains("data"));
}
QString firstJsonValueAsString(const QString &json)
{
static const QString empty;
if (json.isEmpty()) { return empty; }
const QJsonObject obj = jsonObjectFromString(json);
return firstJsonValueAsString(obj);
}
QString firstJsonValueAsString(const QJsonObject &json)
{
static const QString empty;
if (json.isEmpty()) { return empty; }
const QStringList keys1 = json.keys();
if (keys1.isEmpty()) { return empty; }
if (keys1.contains("value", Qt::CaseInsensitive))
{
return json.value("value").toString();
}
const QJsonObject jsonLevel1 = json.value(keys1.front()).toObject();
return jsonLevel1.value("value").toString();
}
QStringList firstJsonValueAsStringList(const QString &json)
{
static const QStringList empty;
if (json.isEmpty()) { return empty; }
const QJsonObject obj = jsonObjectFromString(json);
return firstJsonValueAsStringList(obj);
}
int firstJsonValueAsInt(const QString &json, int defaultValue, bool *ok)
{
if (ok) { *ok = false; }
if (json.isEmpty()) { return defaultValue; }
const QJsonObject obj = jsonObjectFromString(json);
return firstJsonValueAsInt(obj, defaultValue, ok);
}
int firstJsonValueAsInt(const QJsonObject &json, int defaultValue, bool *ok)
{
if (ok) { *ok = false; }
if (json.isEmpty()) { return defaultValue; }
const QStringList keys1 = json.keys();
if (keys1.isEmpty()) { return defaultValue; }
if (keys1.contains("value", Qt::CaseInsensitive))
{
if (ok) { *ok = true; }
return json.value("value").toInt(defaultValue);
}
const QJsonObject jsonLevel1 = json.value(keys1.front()).toObject();
if (!jsonLevel1.contains("value")) { return defaultValue; }
if (ok) { *ok = true; }
return jsonLevel1.value("value").toInt(defaultValue);
}
QStringList firstJsonValueAsStringList(const QJsonObject &json)
{
static const QStringList empty;
if (json.isEmpty()) { return empty; }
const QStringList keys1 = json.keys();
if (keys1.isEmpty()) { return empty; }
if (keys1.contains("value", Qt::CaseInsensitive))
{
return arrayToQStringList(json.value("value").toArray());
}
const QJsonObject jsonLevel1 = json.value(keys1.front()).toObject();
return arrayToQStringList(jsonLevel1.value("value").toArray());
}
QStringList arrayToQStringList(const QJsonArray &array)
{
QStringList sl;
if (array.isEmpty()) { return sl; }
for (int i = 0; i < array.size(); i++)
{
if (!array.at(i).isString()) { continue; }
sl.push_back(array.at(i).toString());
}
return sl;
}
} // ns
QDataStream &operator<<(QDataStream &s, const std::string &v)
{
s << QString::fromStdString(v);
return s;
}
QDataStream &operator>>(QDataStream &s, std::string &v)
{
QString vs;
s >> vs;
v = vs.toStdString();
return s;
}