diff options
Diffstat (limited to 'src/core/file_sys/vfs_concat.cpp')
-rw-r--r-- | src/core/file_sys/vfs_concat.cpp | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/src/core/file_sys/vfs_concat.cpp b/src/core/file_sys/vfs_concat.cpp index 8a0df508e..16d801c0c 100644 --- a/src/core/file_sys/vfs_concat.cpp +++ b/src/core/file_sys/vfs_concat.cpp @@ -39,6 +39,41 @@ ConcatenatedVfsFile::ConcatenatedVfsFile(std::map<u64, VirtualFile> files_, std: ConcatenatedVfsFile::~ConcatenatedVfsFile() = default; +VirtualFile ConcatenatedVfsFile::MakeConcatenatedFile(std::vector<VirtualFile> files, + std::string name) { + if (files.empty()) + return nullptr; + if (files.size() == 1) + return files[0]; + + return std::shared_ptr<VfsFile>(new ConcatenatedVfsFile(std::move(files), std::move(name))); +} + +VirtualFile ConcatenatedVfsFile::MakeConcatenatedFile(u8 filler_byte, + std::map<u64, VirtualFile> files, + std::string name) { + if (files.empty()) + return nullptr; + if (files.size() == 1) + return files.begin()->second; + + const auto last_valid = --files.end(); + for (auto iter = files.begin(); iter != last_valid;) { + const auto old = iter++; + if (old->first + old->second->GetSize() != iter->first) { + files.emplace(old->first + old->second->GetSize(), + std::make_shared<StaticVfsFile>(filler_byte, iter->first - old->first - + old->second->GetSize())); + } + } + + // Ensure the map starts at offset 0 (start of file), otherwise pad to fill. + if (files.begin()->first != 0) + files.emplace(0, std::make_shared<StaticVfsFile>(filler_byte, files.begin()->first)); + + return std::shared_ptr<VfsFile>(new ConcatenatedVfsFile(std::move(files), std::move(name))); +} + std::string ConcatenatedVfsFile::GetName() const { if (files.empty()) return ""; @@ -101,36 +136,4 @@ bool ConcatenatedVfsFile::Rename(std::string_view name) { return false; } -VirtualFile ConcatenateFiles(std::vector<VirtualFile> files, std::string name) { - if (files.empty()) - return nullptr; - if (files.size() == 1) - return files[0]; - - return std::shared_ptr<VfsFile>(new ConcatenatedVfsFile(std::move(files), std::move(name))); -} - -VirtualFile ConcatenateFiles(u8 filler_byte, std::map<u64, VirtualFile> files, std::string name) { - if (files.empty()) - return nullptr; - if (files.size() == 1) - return files.begin()->second; - - const auto last_valid = --files.end(); - for (auto iter = files.begin(); iter != last_valid;) { - const auto old = iter++; - if (old->first + old->second->GetSize() != iter->first) { - files.emplace(old->first + old->second->GetSize(), - std::make_shared<StaticVfsFile>(filler_byte, iter->first - old->first - - old->second->GetSize())); - } - } - - // Ensure the map starts at offset 0 (start of file), otherwise pad to fill. - if (files.begin()->first != 0) - files.emplace(0, std::make_shared<StaticVfsFile>(filler_byte, files.begin()->first)); - - return std::shared_ptr<VfsFile>(new ConcatenatedVfsFile(std::move(files), std::move(name))); -} - } // namespace FileSys |