#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 decltype(auto) make_file_descriptor(Args&&... args) { return factory_util::unique(forward(args)...); } } POLYBAR_NS_END