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Make filesystem decent, part 1 (#677)

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wheremyfoodat 2024-12-10 00:29:56 +02:00 • committed by GitHub
parent 6be642a118
commit 79d24cba11
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12 changed files with 95 additions and 56 deletions
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29
include/fs/archive_base.hpp
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@ -90,6 +90,14 @@ struct FSPath {
};
}
}
bool isUTF16() const { return type == PathType::UTF16; }
bool isASCII() const { return type == PathType::ASCII; }
bool isBinary() const { return type == PathType::Binary; }
// This is not called "isEmpty()" to make obvious that we're talking about an empty-type path, NOT an empty text path
bool isEmptyType() const { return type == PathType::Empty; }
bool isTextPath() const { return isUTF16() || isASCII(); }
};
struct FilePerms {
@ -259,6 +267,27 @@ class ArchiveBase {
virtual std::optional<u32> readFile(FileSession* file, u64 offset, u32 size, u32 dataPointer) = 0;
ArchiveBase(Memory& mem) : mem(mem) {}
bool isSafeTextPath(const FSPath& path) {
if (path.type == PathType::UTF16) {
return isPathSafe<PathType::UTF16>(path);
} else if (path.type == PathType::ASCII){
return isPathSafe<PathType::ASCII>(path);
}
Helpers::panic("ArchiveBase::IsSafeTextPath: Invalid path");
}
// Appends a 3DS path to an std::filesystem::path
void appendPath(std::filesystem::path& diskPath, const FSPath& guestPath) {
if (guestPath.type == PathType::UTF16) {
diskPath += std::filesystem::path(guestPath.utf16_string).make_preferred();
} else if (guestPath.type == PathType::ASCII) {
diskPath += std::filesystem::path(guestPath.string).make_preferred();
} else [[unlikely]] {
Helpers::panic("ArchiveBase::AppendPath: Invalid 3DS path");
}
}
};
struct ArchiveResource {