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/*
* SPDX-FileCopyrightText: 2022 Kai Uwe Broulik <kde@broulik.de>
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "afcfile.h"
#include "afc_debug.h"
#include "afcfilereader.h"
#include "afcutils.h"
#include <limits>
using namespace KIO;
AfcFileReader::AfcFileReader(const AfcClient::Ptr &client, uint64_t handle)
: m_client(client)
, m_handle(handle)
{
}
filesize_t AfcFileReader::size() const
{
return m_size;
}
void AfcFileReader::setSize(filesize_t size)
{
m_size = size;
m_remainingSize = size;
m_data.clear();
}
WorkerResult AfcFileReader::read()
{
m_data.clear();
if (m_remainingSize == 0) {
return WorkerResult::pass();
}
int bytesToRead = std::numeric_limits<int>::max();
if (m_remainingSize < static_cast<filesize_t>(bytesToRead)) {
bytesToRead = m_remainingSize;
}
if (m_data.length() < bytesToRead) {
m_data.resize(bytesToRead);
}
uint32_t bytesRead = 0;
afc_error_t ret = afc_file_read(m_client->internalClient(), m_handle, m_data.data(), bytesToRead, &bytesRead);
m_data.resize(bytesRead);
if (ret != AFC_E_SUCCESS && ret != AFC_E_END_OF_DATA) {
return AfcUtils::Result::from(ret);
}
m_remainingSize -= bytesRead;
return WorkerResult::pass();
}
QByteArray AfcFileReader::data() const
{
return m_data;
}
bool AfcFileReader::hasMore() const
{
return m_remainingSize > 0;
}
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