ResultStatus LoadFile(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;
}
std::string filename_filename, filename_extension;
Common::SplitPath(filename, nullptr, &filename_filename, &filename_extension);
FileType type = IdentifyFile(file);
FileType filename_type = GuessFromExtension(filename_extension);
if (type != filename_type) {
LOG_WARNING(Loader, "File %s has a different type than its extension.", filename.c_str());
if (FileType::Unknown == type)
type = filename_type;
}
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;
}
/**
* Identifies and loads a bootable file
* @param filename String filename of bootable file
* @return ResultStatus result of function
*/
ResultStatus LoadFile(const std::string& filename) {
INFO_LOG(LOADER, "Loading file %s...", filename.c_str());
switch (IdentifyFile(filename)) {
// Standard ELF file format...
case FileType::ELF: {
return AppLoader_ELF(filename).Load();
}
// NCCH/NCSD container formats...
case FileType::CXI:
case FileType::CCI: {
return AppLoader_NCCH(filename).Load();
}
// Error occurred durring IdentifyFile...
case FileType::Error:
// IdentifyFile could know identify file type...
case FileType::Unknown:
default:
return ResultStatus::ErrorInvalidFormat;
}
return ResultStatus::Error;
}
FileType IdentifyFile(const std::string& file_name) {
FileUtil::IOFile file(file_name, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Loader, "Failed to load file %s", file_name.c_str());
return FileType::Unknown;
}
return IdentifyFile(file);
}
/**
* Identifies and loads a bootable file
* @param filename String filename of bootable file
* @param error_string Point to string to put error message if an error has occurred
* @return True on success, otherwise false
*/
bool LoadFile(std::string &filename, std::string *error_string) {
INFO_LOG(LOADER, "Identifying file...");
// Note that this can modify filename!
switch (IdentifyFile(filename)) {
case FILETYPE_CTR_ELF:
return Load_ELF(filename);
case FILETYPE_CTR_BIN:
return Load_BIN(filename);
case FILETYPE_LAUNCHER_DAT:
return Load_DAT(filename);
case FILETYPE_DIRECTORY_CXI:
return LoadDirectory_CXI(filename);
case FILETYPE_ERROR:
ERROR_LOG(LOADER, "Could not read file");
*error_string = "Error reading file";
break;
case FILETYPE_ARCHIVE_RAR:
#ifdef WIN32
*error_string = "RAR file detected (Require WINRAR)";
#else
*error_string = "RAR file detected (Require UnRAR)";
#endif
break;
case FILETYPE_ARCHIVE_ZIP:
#ifdef WIN32
*error_string = "ZIP file detected (Require WINRAR)";
#else
*error_string = "ZIP file detected (Require UnRAR)";
#endif
break;
case FILETYPE_NORMAL_DIRECTORY:
ERROR_LOG(LOADER, "Just a directory.");
*error_string = "Just a directory.";
break;
case FILETYPE_UNKNOWN_BIN:
case FILETYPE_UNKNOWN_ELF:
case FILETYPE_UNKNOWN:
default:
ERROR_LOG(LOADER, "Failed to identify file");
*error_string = " Failed to identify file";
break;
}
return false;
}
std::unique_ptr<AppLoader> GetLoader(const std::string& filename) {
FileUtil::IOFile file(filename, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Loader, "Failed to load file %s", filename.c_str());
return nullptr;
}
std::string filename_filename, filename_extension;
Common::SplitPath(filename, nullptr, &filename_filename, &filename_extension);
FileType type = IdentifyFile(file);
FileType filename_type = GuessFromExtension(filename_extension);
if (type != filename_type) {
LOG_WARNING(Loader, "File %s has a different type than its extension.", filename.c_str());
if (FileType::Unknown == type)
type = filename_type;
}
LOG_DEBUG(Loader, "Loading file %s as %s...", filename.c_str(), GetFileTypeString(type));
return GetFileLoader(std::move(file), type, filename_filename, filename);
}
