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Location: cpp/openttd-patchpack/source/src/fios.cpp - annotation
r11157:57c52eab3a23
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(svn r15507) -Update (r15506): rename strings in other languages too
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/** @file fios.cpp
* This file contains functions for building file lists for the save/load dialogs.
*/
#include "stdafx.h"
#include "openttd.h"
#include "fios.h"
#include "fileio_func.h"
#include "string_func.h"
#include <sys/stat.h>
#ifdef WIN32
# include <tchar.h>
# ifndef UNICODE
# include <io.h>
# endif
# define access _taccess
# define unlink _tunlink
#else
# include <unistd.h>
#endif /* WIN32 */
#include "table/strings.h"
/* Variables to display file lists */
SmallVector<FiosItem, 32> _fios_items;
static char *_fios_path;
SmallFiosItem _file_to_saveload;
/* OS-specific functions are taken from their respective files (win32/unix/os2 .c) */
extern bool FiosIsRoot(const char *path);
extern bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb);
extern bool FiosIsHiddenFile(const struct dirent *ent);
extern void FiosGetDrives();
extern bool FiosGetDiskFreeSpace(const char *path, uint64 *tot);
/* get the name of an oldstyle savegame */
extern void GetOldSaveGameName(const char *path, const char *file, char *title, const char *last);
/**
* Compare two FiosItem's. Used with qsort when sorting the file list.
* @param a A pointer to the first FiosItem to compare.
* @param b A pointer to the second FiosItem to compare.
* @return -1, 0 or 1, depending on how the two items should be sorted.
*/
int CDECL compare_FiosItems(const void *a, const void *b)
{
const FiosItem *da = (const FiosItem *)a;
const FiosItem *db = (const FiosItem *)b;
int r;
if (_savegame_sort_order & SORT_BY_NAME) {
r = strcasecmp(da->title, db->title);
} else {
r = da->mtime < db->mtime ? -1 : 1;
}
if (_savegame_sort_order & SORT_DESCENDING) r = -r;
return r;
}
/** Clear the list */
void FiosFreeSavegameList()
{
_fios_items.Clear();
_fios_items.Compact();
};
/**
* Get descriptive texts. Returns the path and free space
* left on the device
* @param path string describing the path
* @param total_free total free space in megabytes, optional (can be NULL)
* @return StringID describing the path (free space or failure)
*/
StringID FiosGetDescText(const char **path, uint64 *total_free)
{
*path = _fios_path;
return FiosGetDiskFreeSpace(*path, total_free) ? STR_4005_BYTES_FREE : STR_4006_UNABLE_TO_READ_DRIVE;
}
/* Browse to a new path based on the passed FiosItem struct
* @param *item FiosItem object telling us what to do
* @return a string if we have given a file as a target, otherwise NULL */
char *FiosBrowseTo(const FiosItem *item)
{
char *path = _fios_path;
switch (item->type) {
case FIOS_TYPE_DRIVE:
#if defined(WINCE)
snprintf(path, MAX_PATH, PATHSEP "");
#elif defined(WIN32) || defined(__OS2__)
snprintf(path, MAX_PATH, "%c:" PATHSEP, item->title[0]);
#endif
/* Fallthrough */
case FIOS_TYPE_INVALID:
break;
case FIOS_TYPE_PARENT: {
/* Check for possible NULL ptr (not required for UNIXes, but AmigaOS-alikes) */
char *s = strrchr(path, PATHSEPCHAR);
if (s != NULL && s != path) {
s[0] = '\0'; // Remove last path separator character, so we can go up one level.
}
s = strrchr(path, PATHSEPCHAR);
if (s != NULL) s[1] = '\0'; // go up a directory
#if defined(__MORPHOS__) || defined(__AMIGAOS__)
/* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
else if ((s = strrchr(path, ':')) != NULL) s[1] = '\0';
#endif
break;
}
case FIOS_TYPE_DIR:
strcat(path, item->name);
strcat(path, PATHSEP);
break;
case FIOS_TYPE_DIRECT:
snprintf(path, MAX_PATH, "%s", item->name);
break;
case FIOS_TYPE_FILE:
case FIOS_TYPE_OLDFILE:
case FIOS_TYPE_SCENARIO:
case FIOS_TYPE_OLD_SCENARIO:
case FIOS_TYPE_PNG:
case FIOS_TYPE_BMP:
{
static char str_buffr[512];
snprintf(str_buffr, lengthof(str_buffr), "%s%s", path, item->name);
return str_buffr;
}
}
return NULL;
}
void FiosMakeSavegameName(char *buf, const char *name, size_t size)
{
const char *extension, *period;
extension = (_game_mode == GM_EDITOR) ? ".scn" : ".sav";
/* Don't append the extension if it is already there */
period = strrchr(name, '.');
if (period != NULL && strcasecmp(period, extension) == 0) extension = "";
#if defined(__MORPHOS__) || defined(__AMIGAOS__)
if (_fios_path != NULL) {
unsigned char sepchar = _fios_path[(strlen(_fios_path) - 1)];
if (sepchar != ':' && sepchar != '/') {
snprintf(buf, size, "%s" PATHSEP "%s%s", _fios_path, name, extension);
} else {
snprintf(buf, size, "%s%s%s", _fios_path, name, extension);
}
} else {
snprintf(buf, size, "%s%s", name, extension);
}
#else
snprintf(buf, size, "%s" PATHSEP "%s%s", _fios_path, name, extension);
#endif
}
#if defined(WIN32)
# define unlink _tunlink
#endif
bool FiosDelete(const char *name)
{
char filename[512];
FiosMakeSavegameName(filename, name, lengthof(filename));
return unlink(OTTD2FS(filename)) == 0;
}
bool FileExists(const char *filename)
{
#if defined(WINCE)
/* There is always one platform that doesn't support basic commands... */
HANDLE hand = CreateFile(OTTD2FS(filename), 0, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hand == INVALID_HANDLE_VALUE) return 1;
CloseHandle(hand);
return 0;
#else
return access(OTTD2FS(filename), 0) == 0;
#endif
}
typedef FiosType fios_getlist_callback_proc(SaveLoadDialogMode mode, const char *filename, const char *ext, char *title, const char *last);
/** Create a list of the files in a directory, according to some arbitrary rule.
* @param mode The mode we are in. Some modes don't allow 'parent'.
* @param callback_proc The function that is called where you need to do the filtering.
* @return Return the list of files. */
static FiosItem *FiosGetFileList(SaveLoadDialogMode mode, fios_getlist_callback_proc *callback_proc)
{
struct stat sb;
struct dirent *dirent;
DIR *dir;
FiosItem *fios;
int sort_start;
char d_name[sizeof(fios->name)];
_fios_items.Clear();
/* A parent directory link exists if we are not in the root directory */
if (!FiosIsRoot(_fios_path) && mode != SLD_NEW_GAME) {
fios = _fios_items.Append();
fios->type = FIOS_TYPE_PARENT;
fios->mtime = 0;
strecpy(fios->name, "..", lastof(fios->name));
strecpy(fios->title, ".. (Parent directory)", lastof(fios->title));
}
/* Show subdirectories */
if (mode != SLD_NEW_GAME && (dir = ttd_opendir(_fios_path)) != NULL) {
while ((dirent = readdir(dir)) != NULL) {
strecpy(d_name, FS2OTTD(dirent->d_name), lastof(d_name));
/* found file must be directory, but not '.' or '..' */
if (FiosIsValidFile(_fios_path, dirent, &sb) && S_ISDIR(sb.st_mode) &&
(!FiosIsHiddenFile(dirent) || strncasecmp(d_name, PERSONAL_DIR, strlen(d_name)) == 0) &&
strcmp(d_name, ".") != 0 && strcmp(d_name, "..") != 0) {
fios = _fios_items.Append();
fios->type = FIOS_TYPE_DIR;
fios->mtime = 0;
strecpy(fios->name, d_name, lastof(fios->name));
snprintf(fios->title, lengthof(fios->title), "%s" PATHSEP " (Directory)", d_name);
str_validate(fios->title);
}
}
closedir(dir);
}
/* Sort the subdirs always by name, ascending, remember user-sorting order */
{
byte order = _savegame_sort_order;
_savegame_sort_order = SORT_BY_NAME | SORT_ASCENDING;
qsort(_fios_items.Begin(), _fios_items.Length(), sizeof(FiosItem), compare_FiosItems);
_savegame_sort_order = order;
}
/* This is where to start sorting for the filenames */
sort_start = _fios_items.Length();
/* Show files */
dir = ttd_opendir(_fios_path);
if (dir != NULL) {
while ((dirent = readdir(dir)) != NULL) {
char fios_title[64];
char *t;
strecpy(d_name, FS2OTTD(dirent->d_name), lastof(d_name));
if (!FiosIsValidFile(_fios_path, dirent, &sb) || !S_ISREG(sb.st_mode) || FiosIsHiddenFile(dirent)) continue;
/* File has no extension, skip it */
if ((t = strrchr(d_name, '.')) == NULL) continue;
fios_title[0] = '\0'; // reset the title;
FiosType type = callback_proc(mode, d_name, t, fios_title, lastof(fios_title));
if (type != FIOS_TYPE_INVALID) {
fios = _fios_items.Append();
fios->mtime = sb.st_mtime;
fios->type = type;
strecpy(fios->name, d_name, lastof(fios->name));
/* Some callbacks want to lookup the title of the file. Allow that.
* If we just copy the title from the filename, strip the extension */
t = (fios_title[0] == '\0') ? *t = '\0', d_name : fios_title;
strecpy(fios->title, t, lastof(fios->title));
str_validate(fios->title);
}
}
closedir(dir);
}
qsort(_fios_items.Get(sort_start), _fios_items.Length() - sort_start, sizeof(FiosItem), compare_FiosItems);
/* Show drives */
if (mode != SLD_NEW_GAME) FiosGetDrives();
_fios_items.Compact();
return _fios_items.Begin();
}
/**
* Callback for FiosGetFileList. It tells if a file is a savegame or not.
* @param mode Save/load mode.
* @param file Name of the file to check.
* @param ext A pointer to the extension identifier inside file
* @param title Buffer if a callback wants to lookup the title of the file; NULL to skip the lookup
* @param last Last available byte in buffer (to prevent buffer overflows); not used when title == NULL
* @return a FIOS_TYPE_* type of the found file, FIOS_TYPE_INVALID if not a savegame
* @see FiosGetFileList
* @see FiosGetSavegameList
*/
FiosType FiosGetSavegameListCallback(SaveLoadDialogMode mode, const char *file, const char *ext, char *title, const char *last)
{
/* Show savegame files
* .SAV OpenTTD saved game
* .SS1 Transport Tycoon Deluxe preset game
* .SV1 Transport Tycoon Deluxe (Patch) saved game
* .SV2 Transport Tycoon Deluxe (Patch) saved 2-player game */
if (strcasecmp(ext, ".sav") == 0) return FIOS_TYPE_FILE;
if (mode == SLD_LOAD_GAME || mode == SLD_LOAD_SCENARIO) {
if (strcasecmp(ext, ".ss1") == 0 || strcasecmp(ext, ".sv1") == 0 ||
strcasecmp(ext, ".sv2") == 0) {
if (title != NULL) GetOldSaveGameName(_fios_path, file, title, last);
return FIOS_TYPE_OLDFILE;
}
}
return FIOS_TYPE_INVALID;
}
/**
* Get a list of savegames.
* @param mode Save/load mode.
* @return A pointer to an array of FiosItem representing all the files to be shown in the save/load dialog.
* @see FiosGetFileList
*/
void FiosGetSavegameList(SaveLoadDialogMode mode)
{
static char *fios_save_path = NULL;
if (fios_save_path == NULL) {
fios_save_path = MallocT<char>(MAX_PATH);
FioGetDirectory(fios_save_path, MAX_PATH, SAVE_DIR);
}
_fios_path = fios_save_path;
FiosGetFileList(mode, &FiosGetSavegameListCallback);
}
/**
* Callback for FiosGetFileList. It tells if a file is a scenario or not.
* @param mode Save/load mode.
* @param file Name of the file to check.
* @param ext A pointer to the extension identifier inside file
* @param title Buffer if a callback wants to lookup the title of the file
* @param last Last available byte in buffer (to prevent buffer overflows)
* @return a FIOS_TYPE_* type of the found file, FIOS_TYPE_INVALID if not a scenario
* @see FiosGetFileList
* @see FiosGetScenarioList
*/
static FiosType FiosGetScenarioListCallback(SaveLoadDialogMode mode, const char *file, const char *ext, char *title, const char *last)
{
/* Show scenario files
* .SCN OpenTTD style scenario file
* .SV0 Transport Tycoon Deluxe (Patch) scenario
* .SS0 Transport Tycoon Deluxe preset scenario */
if (strcasecmp(ext, ".scn") == 0) return FIOS_TYPE_SCENARIO;
if (mode == SLD_LOAD_GAME || mode == SLD_LOAD_SCENARIO || mode == SLD_NEW_GAME) {
if (strcasecmp(ext, ".sv0") == 0 || strcasecmp(ext, ".ss0") == 0 ) {
GetOldSaveGameName(_fios_path, file, title, last);
return FIOS_TYPE_OLD_SCENARIO;
}
}
return FIOS_TYPE_INVALID;
}
/**
* Get a list of scenarios.
* @param mode Save/load mode.
* @return A pointer to an array of FiosItem representing all the files to be shown in the save/load dialog.
* @see FiosGetFileList
*/
void FiosGetScenarioList(SaveLoadDialogMode mode)
{
static char *fios_scn_path = NULL;
/* Copy the default path on first run or on 'New Game' */
if (fios_scn_path == NULL) {
fios_scn_path = MallocT<char>(MAX_PATH);
FioGetDirectory(fios_scn_path, MAX_PATH, SCENARIO_DIR);
}
_fios_path = fios_scn_path;
FiosGetFileList(mode, &FiosGetScenarioListCallback);
}
static FiosType FiosGetHeightmapListCallback(SaveLoadDialogMode mode, const char *file, const char *ext, char *title, const char *last)
{
/* Show heightmap files
* .PNG PNG Based heightmap files
* .BMP BMP Based heightmap files
*/
#ifdef WITH_PNG
if (strcasecmp(ext, ".png") == 0) return FIOS_TYPE_PNG;
#endif /* WITH_PNG */
if (strcasecmp(ext, ".bmp") == 0) return FIOS_TYPE_BMP;
return FIOS_TYPE_INVALID;
}
/* Get a list of Heightmaps */
void FiosGetHeightmapList(SaveLoadDialogMode mode)
{
static char *fios_hmap_path = NULL;
if (fios_hmap_path == NULL) {
fios_hmap_path = MallocT<char>(MAX_PATH);
FioGetDirectory(fios_hmap_path, MAX_PATH, HEIGHTMAP_DIR);
}
_fios_path = fios_hmap_path;
FiosGetFileList(mode, &FiosGetHeightmapListCallback);
}
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