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Handle multipart tar archives when reading archive

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This commit is contained in:
GeorgH93
2021-04-01 19:44:19 +02:00
parent f7c73167eb
commit 57dfbb0108
3 changed files with 38 additions and 9 deletions
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42
openVulkanoCpp/IO/Archive/ArchiveReader.cpp
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@@ -5,6 +5,7 @@
*/
#include "ArchiveReader.hpp"
#include "ArchiveConfiguration.hpp"
#include "LibArchiveHelper.hpp"
#include "Base/Utils.hpp"
#include <archive.h>
@@ -43,7 +44,12 @@ namespace openVulkanoCpp
void ArchiveReader::PrepOpen()
{
if (m_open) ChkErr(archive_read_close(m_archive));
if (m_open)
{
ChkErr(archive_read_close(m_archive));
ChkErr(archive_free(m_archive));
m_archive = archive_read_new();
}
ChkErr(archive_read_support_filter_all(m_archive));
ChkErr(archive_read_support_format_all(m_archive));
m_open = true;
@@ -72,12 +78,27 @@ namespace openVulkanoCpp
bool ArchiveReader::Open(const std::vector<std::string>& archiveFiles)
{
auto files = Utils::toCString(archiveFiles);
files.push_back(nullptr);
PrepOpen();
ChkErr(archive_read_open_filenames(m_archive, files.data(), BUFFER_SIZE));
ReadNextHeader();
return HasNext();
if (archiveFiles.empty()) return false;
ArchiveConfiguration ac = ArchiveConfiguration::FromFileName(archiveFiles.front().c_str());
if (ac.type == ArchiveType::TAR) // TODO handle all archive types correctly
{ // Queue based approach for all archive types that do not natively support split archives
for(const std::string& file : archiveFiles)
{
m_archivesToRead.push(file);
}
bool state = Open(m_archivesToRead.front());
m_archivesToRead.pop();
return state;
}
else
{ // This might only be used for archive types that support split archives (like zip, rar, 7zip, ...)
auto files = Utils::toCString(archiveFiles);
files.push_back(nullptr);
PrepOpen();
ChkErr(archive_read_open_filenames(m_archive, files.data(), BUFFER_SIZE));
ReadNextHeader();
return HasNext();
}
}
bool ArchiveReader::Open(const std::filesystem::path& dir, const std::string& fileNamePattern)
@@ -113,7 +134,12 @@ namespace openVulkanoCpp
if (result == ARCHIVE_EOF)
{
m_archiveEntry = nullptr;
m_eof = true;
if (!m_archivesToRead.empty())
{
Open(m_archivesToRead.front());
m_archivesToRead.pop();
}
else m_eof = true;
}
}