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Add disk archive serialization (fix crash in driver renegade etc.)

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This commit is contained in:
Hamish Milne 2020-04-11 11:52:11 +01:00
parent a210e7e2bd
commit e9ab8f82d4
3 changed files with 83 additions and 23 deletions
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4
src/core/file_sys/disk_archive.cpp
View file

@ -5,6 +5,7 @@
#include <algorithm>
#include <cstdio>
#include <memory>
#include "common/archives.h"
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
@ -14,6 +15,9 @@
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
SERIALIZE_EXPORT_IMPL(FileSys::DiskFile)
SERIALIZE_EXPORT_IMPL(FileSys::DiskDirectory)
namespace FileSys {
ResultVal<std::size_t> DiskFile::Read(const u64 offset, const std::size_t length,

28
src/core/file_sys/disk_archive.h
View file

@ -10,6 +10,7 @@
#include <vector>
#include <boost/serialization/base_object.hpp>
#include <boost/serialization/unique_ptr.hpp>
#include <boost/serialization/vector.hpp>
#include "common/common_types.h"
#include "common/file_util.h"
#include "core/file_sys/archive_backend.h"
@ -46,12 +47,16 @@ protected:
Mode mode;
std::unique_ptr<FileUtil::IOFile> file;
private:
DiskFile() = default;
template <class Archive>
void serialize(Archive& ar, const unsigned int) {
ar& boost::serialization::base_object<FileBackend>(*this);
ar& mode;
ar& mode.hex;
ar& file;
}
friend class boost::serialization::access;
};
class DiskDirectory : public DirectoryBackend {
@ -74,6 +79,27 @@ protected:
// We need to remember the last entry we returned, so a subsequent call to Read will continue
// from the next one. This iterator will always point to the next unread entry.
std::vector<FileUtil::FSTEntry>::iterator children_iterator;
private:
DiskDirectory() = default;
template <class Archive>
void serialize(Archive& ar, const unsigned int) {
ar& boost::serialization::base_object<DirectoryBackend>(*this);
ar& directory;
u64 child_index;
if (Archive::is_saving::value) {
child_index = children_iterator - directory.children.begin();
}
ar& child_index;
if (Archive::is_loading::value) {
children_iterator = directory.children.begin() + child_index;
}
}
friend class boost::serialization::access;
};
} // namespace FileSys
BOOST_CLASS_EXPORT_KEY(FileSys::DiskFile)
BOOST_CLASS_EXPORT_KEY(FileSys::DiskDirectory)