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/**
* @file
* @brief Functions used to save and load levels/games.
**/
#ifndef FILES_H
#define FILES_H
#include "externs.h"
#include <stdio.h>
#include <string>
#include <vector>
#include <set>
struct player_save_info;
enum load_mode_type
{
LOAD_START_GAME, // game has just begun
LOAD_RESTART_GAME, // loaded savefile
LOAD_ENTER_LEVEL, // entered a level normally
LOAD_VISITOR, // Visitor pattern to see all levels
};
bool file_exists(const string &name);
bool dir_exists(const string &dir);
bool is_absolute_path(const string &path);
void assert_read_safe_path(const string &path) throw (string);
off_t file_size(FILE *handle);
vector<string> get_dir_files(const string &dir);
vector<string> get_dir_files_ext(const string &dir, const string &ext);
vector<string> get_dir_files_recursive(const string &dirname,
const string &ext = "",
int recursion_depth = -1,
bool include_directories = false);
string datafile_path(string basename, bool croak_on_fail = true,
bool test_base_path = false,
bool (*thing_exists)(const string&) = file_exists);
string get_parent_directory(const string &filename);
string get_base_filename(const string &filename);
string get_cache_name(const string &filename);
string get_path_relative_to(const string &referencefile,
const string &relativepath);
string catpath(const string &first, const string &second);
string canonicalise_file_separator(const string &path);
bool check_mkdir(const string &what, string *dir, bool silent = false);
// Find saved games for all game types.
vector<player_save_info> find_all_saved_characters();
string get_save_filename(const string &name);
string get_savedir_filename(const string &name);
string savedir_versioned_path(const string &subdirs = "");
string get_prefs_filename();
string change_file_extension(const string &file, const string &ext);
time_t file_modtime(const string &file);
time_t file_modtime(FILE *f);
vector<string> get_title_files();
class level_id;
bool load_level(dungeon_feature_type stair_taken, load_mode_type load_mode,
const level_id& old_level);
void delete_level(const level_id &level);
void save_game(bool leave_game, const char *bye = NULL);
// Save game without exiting (used when changing levels).
void save_game_state();
bool get_save_version(reader &file, int &major, int &minor);
bool save_exists(const string& filename);
bool restore_game(const string& filename);
bool is_existing_level(const level_id &level);
class level_excursion
{
protected:
level_id original;
bool ever_changed_levels;
public:
level_excursion();
~level_excursion();
void go_to(const level_id &level);
};
void save_ghost(bool force = false);
bool load_ghost(bool creating_level);
FILE *lk_open(const char *mode, const string &file);
FILE *lk_open_exclusive(const string &file);
void lk_close(FILE *handle, const string &file);
// file locking stuff
bool lock_file_handle(FILE *handle, bool write);
bool unlock_file_handle(FILE *handle);
class file_lock
{
public:
file_lock(const string &filename, const char *mode, bool die_on_fail = true);
~file_lock();
private:
FILE *handle;
const char *mode;
string filename;
};
FILE *fopen_replace(const char *name);
#endif
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