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file_sys/archive_ncch: Use AM to get title content path, add ExeFS support and support for additional content indexes

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This commit is contained in:
shinyquagsire23
2017-10-05 16:24:56 -06:00
parent a4af750759
commit 1ac5137655
3 changed files with 249 additions and 51 deletions
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59
src/core/file_sys/archive_ncch.h
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@@ -7,17 +7,71 @@
#include <memory>
#include <string>
#include "core/file_sys/archive_backend.h"
#include "core/file_sys/file_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace Service {
namespace FS {
enum class MediaType : u32;
}
}
namespace FileSys {
/// Archive backend for NCCH Archives (RomFS, ExeFS)
class NCCHArchive : public ArchiveBackend {
public:
explicit NCCHArchive(u64 title_id, Service::FS::MediaType media_type)
: title_id(title_id), media_type(media_type) {}
std::string GetName() const override {
return "NCCHArchive";
}
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
const Mode& mode) const override;
ResultCode DeleteFile(const Path& path) const override;
ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
ResultCode DeleteDirectory(const Path& path) const override;
ResultCode DeleteDirectoryRecursively(const Path& path) const override;
ResultCode CreateFile(const Path& path, u64 size) const override;
ResultCode CreateDirectory(const Path& path) const override;
ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
u64 GetFreeBytes() const override;
protected:
u64 title_id;
Service::FS::MediaType media_type;
};
// File backend for NCCH files
class NCCHFile : public FileBackend {
public:
NCCHFile(std::vector<u8> buffer) : file_buffer(buffer) {}
ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
u64 GetSize() const override;
bool SetSize(u64 size) const override;
bool Close() const override {
return false;
}
void Flush() const override {}
private:
std::vector<u8> file_buffer;
u64 data_offset;
u64 data_size;
};
/// File system interface to the NCCH archive
class ArchiveFactory_NCCH final : public ArchiveFactory {
public:
explicit ArchiveFactory_NCCH(const std::string& mount_point);
explicit ArchiveFactory_NCCH();
std::string GetName() const override {
return "NCCH";
@@ -26,9 +80,6 @@ public:
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string mount_point;
};
} // namespace FileSys