fs.h

// --- Hongce Zhang

#ifndef ILANG_UTIL_FS_H__
#define ILANG_UTIL_FS_H__

#include <string>
#include <vector>

namespace ilang {

bool os_portable_exist(const std::string& path);

bool os_portable_mkdir(const std::string& dir);

bool os_portable_copy_dir(const std::string& src, const std::string& dst);

bool os_portable_copy_file_to_dir(const std::string& src,
                                  const std::string& dst);

bool os_portable_move_file_to_dir(const std::string& src,
                                  const std::string& dst);

bool os_portable_remove_file(const std::string& file);

bool os_portable_remove_directory(const std::string& dir);

std::string os_portable_append_dir(const std::string& dir1,
                                   const std::string& dir2);

std::string os_portable_append_dir(const std::string& dir1,
                                   const std::vector<std::string>& dirs);

std::string os_portable_join_dir(const std::vector<std::string>& dirs);

std::string os_portable_remove_file_name_extension(const std::string& fname);

struct execute_result {
  bool timeout;
  enum _failure { PREIO = 0, FORK = 1, ALARM, ARG, EXEC, WAIT, NONE } failure;
  unsigned ret;
  bool subexit_normal;
  double seconds;
};

enum redirect_t { NONE = 0, STDOUT = 1, STDERR = 2, BOTH = 3 };
execute_result
os_portable_execute_shell(const std::vector<std::string>& cmdargs,
                          const std::string& redirect_output_file = "",
                          redirect_t rdt = redirect_t::BOTH,
                          unsigned timeout = 0,
                          const std::string& pid_file_name = "");

std::string os_portable_file_name_from_path(const std::string& path);

std::string os_portable_path_from_path(const std::string& path);

std::string os_portable_read_last_line(const std::string& filename);

bool os_portable_chdir(const std::string& dirname);

std::string os_portable_getcwd();

#if (defined(__unix__) || defined(unix) || defined(__APPLE__) ||               \
     defined(__MACH__) || defined(__FreeBSD__)) &&                             \
    !defined(__linux__)

#ifdef __cplusplus
extern "C" {
#endif

FILE* fmemopen_osx(void* buf, size_t size, const char* mode);

#ifdef __cplusplus
}
#endif

#endif // fmemopen_osx guard

}; // namespace ilang

#endif // ILANG_UTIL_FS_H__