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/*
Copyright 2016-2023 melonDS team
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#include "ArchiveUtil.h"
#include "Platform.h"
using namespace melonDS;
using Platform::Log;
using Platform::LogLevel;
namespace Archive
{
#ifdef __WIN32__
#define melon_archive_open(a, f, b) archive_read_open_filename_w(a, (const wchar_t*)f.utf16(), b)
#else
#define melon_archive_open(a, f, b) archive_read_open_filename(a, f.toUtf8().constData(), b)
#endif // __WIN32__
bool compareCI(const QString& s1, const QString& s2)
{
return s1.toLower() < s2.toLower();
}
QVector<QString> ListArchive(QString path)
{
struct archive *a;
struct archive_entry *entry;
int r;
QVector<QString> fileList;
a = archive_read_new();
archive_read_support_filter_all(a);
archive_read_support_format_all(a);
//r = archive_read_open_filename(a, path, 10240);
r = melon_archive_open(a, path, 10240);
if (r != ARCHIVE_OK)
{
return QVector<QString> {"Err"};
}
while (archive_read_next_header(a, &entry) == ARCHIVE_OK)
{
if (archive_entry_filetype(entry) != AE_IFREG)
continue;
fileList.push_back(archive_entry_pathname_utf8(entry));
archive_read_data_skip(a);
}
archive_read_close(a);
archive_read_free(a);
if (r != ARCHIVE_OK)
{
return QVector<QString> {"Err"};
}
std::stable_sort(fileList.begin(), fileList.end(), compareCI);
fileList.prepend("OK");
return fileList;
}
QVector<QString> ExtractFileFromArchive(QString path, QString wantedFile, QByteArray *romBuffer)
{
struct archive *a = archive_read_new();
struct archive_entry *entry;
int r;
archive_read_support_format_all(a);
archive_read_support_filter_all(a);
//r = archive_read_open_filename(a, path, 10240);
r = melon_archive_open(a, path, 10240);
if (r != ARCHIVE_OK)
{
return QVector<QString> {"Err"};
}
while (archive_read_next_header(a, &entry) == ARCHIVE_OK)
{
if (strcmp(wantedFile.toUtf8().constData(), archive_entry_pathname_utf8(entry)) == 0)
{
break;
}
}
size_t bytesToWrite = archive_entry_size(entry);
romBuffer->fill(0, bytesToWrite);
ssize_t bytesRead = archive_read_data(a, romBuffer->data(), bytesToWrite);
if (bytesRead < 0)
{
Log(LogLevel::Error, "Error whilst reading archive: %s", archive_error_string(a));
return QVector<QString> {"Err", archive_error_string(a)};
}
archive_read_close(a);
archive_read_free(a);
return QVector<QString> {wantedFile};
}
s32 ExtractFileFromArchive(QString path, QString wantedFile, std::unique_ptr<u8[]>& filedata, u32* filesize)
{
struct archive *a = archive_read_new();
struct archive_entry *entry;
int r;
archive_read_support_format_all(a);
archive_read_support_filter_all(a);
//r = archive_read_open_filename(a, path, 10240);
r = melon_archive_open(a, path, 10240);
if (r != ARCHIVE_OK)
{
return -1;
}
while (archive_read_next_header(a, &entry) == ARCHIVE_OK)
{
if (strcmp(wantedFile.toUtf8().constData(), archive_entry_pathname_utf8(entry)) == 0)
{
break;
}
}
size_t bytesToRead = archive_entry_size(entry);
if (filesize) *filesize = bytesToRead;
filedata = std::make_unique<u8[]>(bytesToRead);
ssize_t bytesRead = archive_read_data(a, filedata.get(), bytesToRead);
archive_read_close(a);
archive_read_free(a);
return (u32)bytesRead;
}
/*u32 ExtractFileFromArchive(const char* path, const char* wantedFile, u8 **romdata)
{
QByteArray romBuffer;
QVector<QString> extractResult = ExtractFileFromArchive(path, wantedFile, &romBuffer);
if(extractResult[0] == "Err")
{
return 0;
}
u32 len = romBuffer.size();
*romdata = new u8[romBuffer.size()];
memcpy(*romdata, romBuffer.data(), len);
return len;
}*/
}
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