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shared_ptr.hpp: use for fs::virtual_device

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Add new constructors for single_ptr and shared_ptr.
Change virtual device prefix format.
This commit is contained in:
Nekotekina 2021-04-12 16:39:48 +03:00
parent 19763f8973
commit a211895e28
3 changed files with 122 additions and 48 deletions
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20
Utilities/File.h
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@ -1,6 +1,7 @@
#pragma once // No BOM and only basic ASCII in this header, or a neko will die
#include "util/types.hpp"
#include "util/shared_ptr.hpp"
#include "bit_set.h"
#include <memory>
@ -124,16 +125,19 @@ namespace fs
// Virtual device
struct device_base
{
const std::string fs_prefix;
device_base();
virtual ~device_base();
virtual bool stat(const std::string& path, stat_t& info) = 0;
virtual bool statfs(const std::string& path, device_stat& info) = 0;
virtual bool remove_dir(const std::string& path) = 0;
virtual bool create_dir(const std::string& path) = 0;
virtual bool rename(const std::string& from, const std::string& to) = 0;
virtual bool remove(const std::string& path) = 0;
virtual bool trunc(const std::string& path, u64 length) = 0;
virtual bool utime(const std::string& path, s64 atime, s64 mtime) = 0;
virtual bool remove_dir(const std::string& path);
virtual bool create_dir(const std::string& path);
virtual bool rename(const std::string& from, const std::string& to);
virtual bool remove(const std::string& path);
virtual bool trunc(const std::string& path, u64 length);
virtual bool utime(const std::string& path, s64 atime, s64 mtime);
virtual std::unique_ptr<file_base> open(const std::string& path, bs_t<open_mode> mode) = 0;
virtual std::unique_ptr<dir_base> open_dir(const std::string& path) = 0;
@ -146,10 +150,10 @@ namespace fs
constexpr struct pod_tag_t{} pod_tag;
// Get virtual device for specified path (nullptr for real path)
std::shared_ptr<device_base> get_virtual_device(const std::string& path);
shared_ptr<device_base> get_virtual_device(const std::string& path);
// Set virtual device with specified name (nullptr for deletion)
std::shared_ptr<device_base> set_virtual_device(const std::string& root_name, const std::shared_ptr<device_base>&);
shared_ptr<device_base> set_virtual_device(const std::string& name, shared_ptr<device_base> device);
// Try to get parent directory (returns empty string on failure)
std::string get_parent_dir(const std::string& path);