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/* $Id$ */
/** @file fileio.h Declarations for Standard In/Out file operations */
#ifndef FILEIO_H
#define FILEIO_H
#include "core/enum_type.hpp"
void FioSeekTo(size_t pos, int mode);
void FioSeekToFile(uint8 slot, size_t pos);
size_t FioGetPos();
const char *FioGetFilename(uint8 slot);
byte FioReadByte();
uint16 FioReadWord();
uint32 FioReadDword();
void FioCloseAll();
void FioOpenFile(int slot, const char *filename);
void FioReadBlock(void *ptr, size_t size);
void FioSkipBytes(int n);
void FioCreateDirectory(const char *filename);
/**
* The different kinds of subdirectories OpenTTD uses
*/
enum Subdirectory {
BASE_DIR, ///< Base directory for all subdirectories
SAVE_DIR, ///< Base directory for all savegames
AUTOSAVE_DIR, ///< Subdirectory of save for autosaves
SCENARIO_DIR, ///< Base directory for all scenarios
HEIGHTMAP_DIR, ///< Subdirectory of scenario for heightmaps
GM_DIR, ///< Subdirectory for all music
DATA_DIR, ///< Subdirectory for all data (GRFs, sample.cat, intro game)
LANG_DIR, ///< Subdirectory for all translation files
NUM_SUBDIRS, ///< Number of subdirectories
NO_DIRECTORY, ///< A path without any base directory
};
/**
* Types of searchpaths OpenTTD might use
*/
enum Searchpath {
SP_FIRST_DIR,
SP_WORKING_DIR = SP_FIRST_DIR, ///< Search in the working directory
SP_PERSONAL_DIR, ///< Search in the personal directory
SP_SHARED_DIR, ///< Search in the shared directory, like 'Shared Files' under Windows
SP_BINARY_DIR, ///< Search in the directory where the binary resides
SP_INSTALLATION_DIR, ///< Search in the installation directory
SP_APPLICATION_BUNDLE_DIR, ///< Search within the application bundle
NUM_SEARCHPATHS
};
DECLARE_POSTFIX_INCREMENT(Searchpath);
/**
* The searchpaths OpenTTD could search through.
* At least one of the slots has to be filled with a path.
* NULL paths tell that there is no such path for the
* current operating system.
*/
extern const char *_searchpaths[NUM_SEARCHPATHS];
/**
* Checks whether the given search path is a valid search path
* @param sp the search path to check
* @return true if the search path is valid
*/
static inline bool IsValidSearchPath(Searchpath sp)
{
return sp < NUM_SEARCHPATHS && _searchpaths[sp] != NULL;
}
/** Iterator for all the search paths */
#define FOR_ALL_SEARCHPATHS(sp) for (sp = SP_FIRST_DIR; sp < NUM_SEARCHPATHS; sp++) if (IsValidSearchPath(sp))
void FioFCloseFile(FILE *f);
FILE *FioFOpenFile(const char *filename, const char *mode = "rb", Subdirectory subdir = DATA_DIR, size_t *filesize = NULL);
bool FioCheckFileExists(const char *filename, Subdirectory subdir = DATA_DIR);
char *FioGetFullPath(char *buf, size_t buflen, Searchpath sp, Subdirectory subdir, const char *filename);
char *FioFindFullPath(char *buf, size_t buflen, Subdirectory subdir, const char *filename);
char *FioAppendDirectory(char *buf, size_t buflen, Searchpath sp, Subdirectory subdir);
char *FioGetDirectory(char *buf, size_t buflen, Subdirectory subdir);
static inline const char *FioGetSubdirectory(Subdirectory subdir)
{
extern const char *_subdirs[NUM_SUBDIRS];
assert(subdir < NUM_SUBDIRS);
return _subdirs[subdir];
}
void SanitizeFilename(char *filename);
void AppendPathSeparator(char *buf, size_t buflen);
void DeterminePaths(const char *exe);
void *ReadFileToMem(const char *filename, size_t *lenp, size_t maxsize);
bool FileExists(const char *filename);
extern char *_personal_dir; ///< custom directory for personal settings, saves, newgrf, etc.
#endif /* FILEIO_H */
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