polybar-dwm/include/utils/file.hpp
2016-12-20 05:16:04 +01:00

51 lines
981 B
C++

#pragma once
#include "common.hpp"
#include "utils/factory.hpp"
POLYBAR_NS
class file_ptr {
public:
explicit file_ptr(const string& path, const string& mode = "a+");
~file_ptr();
file_ptr(const file_ptr& o) = delete;
file_ptr& operator=(const file_ptr& o) = delete;
operator bool();
FILE* operator()();
protected:
FILE* m_ptr = nullptr;
string m_path;
string m_mode;
};
class file_descriptor {
public:
explicit file_descriptor(const string& path, int flags = 0);
explicit file_descriptor(int fd);
~file_descriptor();
operator int();
protected:
int m_fd{0};
};
namespace file_util {
bool exists(const string& filename);
string get_contents(const string& filename);
void set_block(int fd);
void set_nonblock(int fd);
bool is_fifo(string filename);
template <typename... Args>
decltype(auto) make_file_descriptor(Args&&... args) {
return factory_util::shared<file_descriptor>(forward<Args>(args)...);
}
}
POLYBAR_NS_END