archive::archive(const std::string& fileName)
: archiveLibarchive(fileName)
{
applyFormats();
int ret = archive_read_open_filename(m_archive, fileName.c_str(), 4096);
if (ret != ARCHIVE_OK)
{
archive_read_free(m_archive);
m_archive = nullptr;
throw std::runtime_error("libstriezel::ar::archive: Failed to open file " + fileName + "!");
}
//fill entries
fillEntries();
}
void archiveLibarchive::reopen()
{
//close and re-open archive to get to the first entry again
archive_read_free(m_archive);
m_archive = nullptr;
m_archive = archive_read_new();
if (nullptr == m_archive)
throw std::runtime_error("libstriezel::archive::archiveLibarchive::reopen(): Could not allocate archive structure!");
applyFormats();
int r2 = archive_read_open_filename(m_archive, m_fileName.c_str(), 4096);
if (r2 != ARCHIVE_OK)
{
archive_read_free(m_archive);
m_archive = nullptr;
throw std::runtime_error("libstriezel::archive::archiveLibarchive::reopen(): Failed to re-open file " + m_fileName + "!");
}
}
