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Loader, Frontends: Refactor loader creation and game loading

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This allows frontends to keep a single loader and use it multiple times
e.g. for code loading and SMDH parsing.
This commit is contained in:
Emmanuel Gil Peyrot 2016-05-17 23:06:33 +01:00
parent 51ee2d2eb1
commit 8fc9c03126
6 changed files with 37 additions and 49 deletions
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50
src/core/loader/loader.cpp
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@ -8,9 +8,7 @@
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/file_sys/archive_romfs.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/3dsx.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.h"
@ -67,6 +65,9 @@ FileType GuessFromExtension(const std::string& extension_) {
if (extension == ".3dsx")
return FileType::THREEDSX;
if (extension == ".cia")
return FileType::CIA;
return FileType::Unknown;
}
@ -108,15 +109,15 @@ std::unique_ptr<AppLoader> GetLoader(FileUtil::IOFile&& file, FileType type,
return std::make_unique<AppLoader_NCCH>(std::move(file), filepath);
default:
return std::unique_ptr<AppLoader>();
return nullptr;
}
}
ResultStatus LoadFile(const std::string& filename) {
std::unique_ptr<AppLoader> GetFileLoader(const std::string& filename) {
FileUtil::IOFile file(filename, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Loader, "Failed to load file %s", filename.c_str());
return ResultStatus::Error;
return nullptr;
}
std::string filename_filename, filename_extension;
@ -133,44 +134,7 @@ ResultStatus LoadFile(const std::string& filename) {
LOG_INFO(Loader, "Loading file %s as %s...", filename.c_str(), GetFileTypeString(type));
std::unique_ptr<AppLoader> app_loader = GetLoader(std::move(file), type, filename_filename, filename);
switch (type) {
// 3DSX file format...
// or NCCH/NCSD container formats...
case FileType::THREEDSX:
case FileType::CXI:
case FileType::CCI:
{
// Load application and RomFS
ResultStatus result = app_loader->Load();
if (ResultStatus::Success == result) {
Service::FS::RegisterArchiveType(std::make_unique<FileSys::ArchiveFactory_RomFS>(*app_loader), Service::FS::ArchiveIdCode::RomFS);
return ResultStatus::Success;
}
return result;
}
// Standard ELF file format...
case FileType::ELF:
return app_loader->Load();
// CIA file format...
case FileType::CIA:
return ResultStatus::ErrorNotImplemented;
// Error occurred durring IdentifyFile...
case FileType::Error:
// IdentifyFile could know identify file type...
case FileType::Unknown:
{
LOG_CRITICAL(Loader, "File %s is of unknown type.", filename.c_str());
return ResultStatus::ErrorInvalidFormat;
}
}
return ResultStatus::Error;
return GetLoader(std::move(file), type, filename_filename, filename);
}
} // namespace Loader