sfw/sfwl/core/dir_access.h

148 lines
3.6 KiB
C++

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#ifndef DIR_ACCESS_H
#define DIR_ACCESS_H
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/*************************************************************************/
/* dir_access.h */
/* From https://github.com/Relintai/pandemonium_engine (MIT) */
/*************************************************************************/
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#include "core/error_list.h"
#include "core/ustring.h"
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#if defined(_WIN64) || defined(_WIN32)
struct DirAccessWindowsPrivate;
#elif defined(__APPLE__)
#include <dirent.h>
#else
struct __dirstream;
typedef struct __dirstream DIR;
#endif
class DirAccess {
Error _copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flags, bool p_copy_links);
public:
virtual Error list_dir_begin(bool skip_specials = false); ///< This starts dir listing
virtual String get_next();
virtual bool current_is_dir() const;
virtual bool current_is_hidden() const;
virtual bool current_is_file() const;
virtual bool current_is_special_dir() const;
virtual void list_dir_end(); ///<
virtual int get_drive_count();
virtual String get_drive(int p_drive);
virtual int get_current_drive();
virtual bool drives_are_shortcuts();
virtual Error change_dir(String p_dir); ///< can be relative or absolute, return false on success
virtual String get_current_dir(); ///< return current dir location
virtual String get_current_dir_without_drive();
virtual Error make_dir(String p_dir);
virtual Error make_dir_recursive(String p_dir);
virtual Error erase_contents_recursive(); //super dangerous, use with care!
virtual bool file_exists(String p_file);
virtual bool dir_exists(String p_dir);
static bool exists(String p_dir);
virtual uint64_t get_space_left();
Error copy_dir(String p_from, String p_to, int p_chmod_flags = -1, bool p_copy_links = false);
virtual Error copy(String p_from, String p_to, int p_chmod_flags = -1);
virtual Error rename(String p_from, String p_to);
virtual Error remove(String p_name);
virtual bool is_link(String p_file);
virtual String read_link(String p_file);
virtual Error create_link(String p_source, String p_target);
virtual uint64_t get_modified_time(String p_file);
virtual String get_filesystem_type() const;
static String get_full_path(const String &p_path);
static DirAccess *create_for_path(const String &p_path);
static DirAccess *create();
Error open(const String &p_path);
static String get_filesystem_abspath_for(String p_path);
static bool is_special(const String &p_path);
DirAccess();
virtual ~DirAccess();
protected:
#if defined(_WIN64) || defined(_WIN32)
#else
virtual String fix_unicode_name(const char *p_name) const { return String::utf8(p_name); }
virtual bool is_hidden(const String &p_name);
#endif
bool next_is_dir;
bool _skip_specials;
#if defined(_WIN64) || defined(_WIN32)
enum {
MAX_DRIVES = 26
};
DirAccessWindowsPrivate *p;
/* Windows stuff */
char drives[MAX_DRIVES]; // a-z:
int drive_count;
String current_dir;
bool _cisdir;
bool _cishidden;
bool _cisspecial;
#else
String current_dir;
DIR *dir_stream;
bool _cisdir;
bool _cishidden;
bool _cisspecial;
#endif
};
struct DirAccessRef {
DirAccess *f;
_FORCE_INLINE_ bool is_null() const { return f == nullptr; }
_FORCE_INLINE_ bool is_valid() const { return f != nullptr; }
_FORCE_INLINE_ operator bool() const { return f != nullptr; }
_FORCE_INLINE_ operator DirAccess *() { return f; }
_FORCE_INLINE_ DirAccess *operator->() {
return f;
}
DirAccessRef(DirAccess *fa) { f = fa; }
DirAccessRef(DirAccessRef &&other) {
f = other.f;
other.f = nullptr;
}
~DirAccessRef() {
if (f) {
memdelete(f);
}
}
};
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#endif
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