mirror of
https://github.com/citra-mirror/citra.git
synced 2024-08-19 18:13:21 +02:00
Merge pull request #5566 from zhaowenlan1779/layered-fs-fix
layered_fs: Make LoadFile and LoadDirectory less recursive
This commit is contained in:
commit
02d6032afb
@ -82,7 +82,7 @@ void LayeredFS::Load() {
|
|||||||
|
|
||||||
LayeredFS::~LayeredFS() = default;
|
LayeredFS::~LayeredFS() = default;
|
||||||
|
|
||||||
void LayeredFS::LoadDirectory(Directory& current, u32 offset) {
|
u32 LayeredFS::LoadDirectory(Directory& current, u32 offset) {
|
||||||
DirectoryMetadata metadata;
|
DirectoryMetadata metadata;
|
||||||
romfs->ReadFile(header.directory_metadata_table.offset + offset, sizeof(metadata),
|
romfs->ReadFile(header.directory_metadata_table.offset + offset, sizeof(metadata),
|
||||||
reinterpret_cast<u8*>(&metadata));
|
reinterpret_cast<u8*>(&metadata));
|
||||||
@ -92,28 +92,24 @@ void LayeredFS::LoadDirectory(Directory& current, u32 offset) {
|
|||||||
current.path = current.parent->path + current.name + DIR_SEP;
|
current.path = current.parent->path + current.name + DIR_SEP;
|
||||||
directory_path_map.emplace(current.path, ¤t);
|
directory_path_map.emplace(current.path, ¤t);
|
||||||
|
|
||||||
if (metadata.first_file_offset != 0xFFFFFFFF) {
|
u32 file_offset = metadata.first_file_offset;
|
||||||
LoadFile(current, metadata.first_file_offset);
|
while (file_offset != 0xFFFFFFFF) {
|
||||||
|
file_offset = LoadFile(current, file_offset);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (metadata.first_child_directory_offset != 0xFFFFFFFF) {
|
u32 child_directory_offset = metadata.first_child_directory_offset;
|
||||||
|
while (child_directory_offset != 0xFFFFFFFF) {
|
||||||
auto child = std::make_unique<Directory>();
|
auto child = std::make_unique<Directory>();
|
||||||
auto& directory = *child;
|
auto& directory = *child;
|
||||||
directory.parent = ¤t;
|
directory.parent = ¤t;
|
||||||
current.directories.emplace_back(std::move(child));
|
current.directories.emplace_back(std::move(child));
|
||||||
LoadDirectory(directory, metadata.first_child_directory_offset);
|
child_directory_offset = LoadDirectory(directory, child_directory_offset);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (metadata.next_sibling_offset != 0xFFFFFFFF) {
|
return metadata.next_sibling_offset;
|
||||||
auto sibling = std::make_unique<Directory>();
|
|
||||||
auto& directory = *sibling;
|
|
||||||
directory.parent = current.parent;
|
|
||||||
current.parent->directories.emplace_back(std::move(sibling));
|
|
||||||
LoadDirectory(directory, metadata.next_sibling_offset);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void LayeredFS::LoadFile(Directory& parent, u32 offset) {
|
u32 LayeredFS::LoadFile(Directory& parent, u32 offset) {
|
||||||
FileMetadata metadata;
|
FileMetadata metadata;
|
||||||
romfs->ReadFile(header.file_metadata_table.offset + offset, sizeof(metadata),
|
romfs->ReadFile(header.file_metadata_table.offset + offset, sizeof(metadata),
|
||||||
reinterpret_cast<u8*>(&metadata));
|
reinterpret_cast<u8*>(&metadata));
|
||||||
@ -129,9 +125,7 @@ void LayeredFS::LoadFile(Directory& parent, u32 offset) {
|
|||||||
file_path_map.emplace(file->path, file.get());
|
file_path_map.emplace(file->path, file.get());
|
||||||
parent.files.emplace_back(std::move(file));
|
parent.files.emplace_back(std::move(file));
|
||||||
|
|
||||||
if (metadata.next_sibling_offset != 0xFFFFFFFF) {
|
return metadata.next_sibling_offset;
|
||||||
LoadFile(parent, metadata.next_sibling_offset);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
std::string LayeredFS::ReadName(u32 offset, u32 name_length) {
|
std::string LayeredFS::ReadName(u32 offset, u32 name_length) {
|
||||||
|
@ -65,11 +65,13 @@ private:
|
|||||||
|
|
||||||
std::string ReadName(u32 offset, u32 name_length);
|
std::string ReadName(u32 offset, u32 name_length);
|
||||||
|
|
||||||
// Loads the current directory, then its siblings, and then its children.
|
// Loads the current directory, then its children.
|
||||||
void LoadDirectory(Directory& current, u32 offset);
|
// Returns offset of the next sibling directory to load (0xFFFFFFFF if the last directory)
|
||||||
|
u32 LoadDirectory(Directory& current, u32 offset);
|
||||||
|
|
||||||
// Load the file at offset, and then its siblings.
|
// Load the file at offset.
|
||||||
void LoadFile(Directory& parent, u32 offset);
|
// Returns offset of the next sibling file to load (0xFFFFFFFF if the last file)
|
||||||
|
u32 LoadFile(Directory& parent, u32 offset);
|
||||||
|
|
||||||
// Load replace/create relocations
|
// Load replace/create relocations
|
||||||
void LoadRelocations();
|
void LoadRelocations();
|
||||||
|
Loading…
Reference in New Issue
Block a user