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Added PathReference utility type.

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This commit is contained in:
Patrick 2023-11-19 23:45:14 +01:00
parent 60707421c8
commit 0e90cabb7e
1 changed files with 27 additions and 0 deletions
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27
source/mijin/virtual_filesystem/filesystem.hpp
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@ -40,6 +40,21 @@ struct FileInfo
bool isHidden : 1 = false;
};
// basically just a thin wrapper around adapter + path, for utility
class PathReference
{
private:
class FileSystemAdapter* adapter_;
fs::path path_;
public:
PathReference(class FileSystemAdapter* adapter, fs::path path) noexcept : adapter_(adapter), path_(std::move(path)) {}
[[nodiscard]] class FileSystemAdapter* getAdapter() const noexcept { return adapter_; }
[[nodiscard]] const fs::path& getPath() const noexcept { return path_; }
[[nodiscard]] inline FileInfo getInfo() const;
[[nodiscard]] inline StreamError open(FileOpenMode mode, std::unique_ptr<Stream>& outStream) const;
};
class FileSystemAdapter
{
public:
@ -50,6 +65,8 @@ public:
[[nodiscard]] virtual std::vector<FileInfo> listFiles(const fs::path& folder) = 0;
[[nodiscard]] virtual FileInfo getFileInfo(const fs::path& file) = 0;
[[nodiscard]] virtual StreamError open(const fs::path& path, FileOpenMode mode, std::unique_ptr<Stream>& outStream) = 0;
[[nodiscard]] PathReference getPath(fs::path path) noexcept { return PathReference(this, std::move(path)); }
};
class OSFileSystemAdapter : public FileSystemAdapter
@ -68,6 +85,16 @@ public:
// public functions
//
inline FileInfo PathReference::getInfo() const
{
return adapter_->getFileInfo(path_);
}
inline StreamError PathReference::open(FileOpenMode mode, std::unique_ptr<Stream>& outStream) const
{
return adapter_->open(path_, mode, outStream);
}
inline std::string formatFileType(const FileInfo& info)
{
if (info.isFolder) {