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Use QSaveFile wherever applicable

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expected.hpp was fetched from:
b803e3c07b/include/nonstd/expected.hpp
This commit is contained in:
Chocobo1 2021-09-05 12:29:32 +08:00
parent 81139c0098
commit 21f72baae2
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17 changed files with 2597 additions and 88 deletions
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26
src/base/utils/io.cpp
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@ -28,8 +28,13 @@
#include "io.h"
#include <libtorrent/bencode.hpp>
#include <libtorrent/entry.hpp>
#include <QByteArray>
#include <QFileDevice>
#include <QSaveFile>
#include <QString>
Utils::IO::FileDeviceOutputIterator::FileDeviceOutputIterator(QFileDevice &device, const int bufferSize)
: m_device {&device}
@ -60,3 +65,24 @@ Utils::IO::FileDeviceOutputIterator &Utils::IO::FileDeviceOutputIterator::operat
}
return *this;
}
nonstd::expected<void, QString> Utils::IO::saveToFile(const QString &path, const QByteArray &data)
{
QSaveFile file {path};
if (!file.open(QIODevice::WriteOnly) || (file.write(data) != data.size()) || !file.commit())
return nonstd::make_unexpected(file.errorString());
return {};
}
nonstd::expected<void, QString> Utils::IO::saveToFile(const QString &path, const lt::entry &data)
{
QSaveFile file {path};
if (!file.open(QIODevice::WriteOnly))
return nonstd::make_unexpected(file.errorString());
const int bencodedDataSize = lt::bencode(Utils::IO::FileDeviceOutputIterator {file}, data);
if ((file.size() != bencodedDataSize) || !file.commit())
return nonstd::make_unexpected(file.errorString());
return {};
}