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Task
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Resolution: Fixed
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Major
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None
The scope of this is anything that is not JSON, pluggable, or the QObject signal/slot replacement.
From original patch:
#include <QByteArray>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QList>
#include <QMap>
#include <QMultiMap>
#include <QPair>
#include <QString>
#include <QStringList>
#include <QTextStream>
#include <QUrl>
#include <QVariant>
#include <QtCore/QDataStream>
#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QList>
#include <QtCore/QMultiMap>
#include <QtCore/QString>
#include <QtCore/QUrl>
#include <QtCore/QUrlQuery>
#include <QtCore/QVariant>
- Find mapping of Qt container to STL containers(when Qt started out, standard C++ was significantly weaker. Mapping may not be one to one mapping or even some classes won't be there in STL. )
| QT | Standard Library/Boost |
|---|---|
| QVector | std::vector |
| QList | — (We should use std::vector) |
| QLinkedList | std::list |
| — | std::forward_list |
| QVarLengthArray | — |
| — | std::deque |
| — | std::array |
| QMap | std::map |
| QMultiMap | std::multimap |
| QHash | std::unordered_map |
| QMultiHash | std::unordered_multimap |
| — | std::set |
| — | std::multiset |
| QSet | std::unordered_set |
| — | std::unordered_multiset |
| QStringList | - (Using std::list<std::string>) |
| QLatin1String | - (Using std::string) |
| QDir | std::experimental::filesystem; (currently with GCC6.4,std::experimental::filesystem is used. After C++17 upgrade, std::filesystem can be used.) |
| QPair | std::pair |
| QVariantMap | ? |
| QVariant | std::variant? It is a C++17 feature and available in GCC7(AGL EEL using GCC6.4). We even can not use it as an experimental feature. |
| QString("%1 + %2").arg("A").arg("B") | boost::format("%2% %1%") % A % B; |
| QStringList.split() | boost::split() |
| QUrl | boost::network::http::uri GURL : https://chromium.googlesource.com/chromium/src/+/master/url/gurl.h |
| QStringLiteral | std::stringstream |
Needs to analyzed and clarify
- QVariant/QVariantMap -> ? std::variant ? it is C++17 feature and available in GCC 7 (AGL eel using GCC 6.4)
- QUrl ->? We need functionality like parsing URL to get port, scheme, host. Currently, for porting activity basic functionality is implemented using our own dummy implementation. Does the use of GURL mean adding chromium as dependecy?
Rules
- Use as much as possible of standard libraries.
- Solution should work on Flounder (GCC 7.0) and webOS OSE (GCC 6.4).
- Boost is allowed. That should cover string formatting, std::variant replacement, std::filesystem replacement.
- The patches should be rebaseable on top of flounder branch (and easily rebaseable to webOS WAM master).