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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#if !defined(DISABLE_DEFAULT_SAVEFILEMANAGER)
#include "common/savefile.h"
#include "common/util.h"
#include "common/fs.h"
#include "common/file.h"
#include "common/config-manager.h"
#include "backends/saves/default/default-saves.h"
#include "backends/saves/compressed/compressed-saves.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
#if defined(UNIX) || defined(__SYMBIAN32__)
#include <sys/stat.h>
#endif
#ifdef UNIX
#ifdef MACOSX
#define DEFAULT_SAVE_PATH "Documents/ScummVM Savegames"
#else
#define DEFAULT_SAVE_PATH ".scummvm"
#endif
#elif defined(__SYMBIAN32__)
#define DEFAULT_SAVE_PATH "Savegames"
#endif
DefaultSaveFileManager::DefaultSaveFileManager() {
// Register default savepath
// TODO: Remove this code here, and instead leave setting the
// default savepath to the ports using this class.
#ifdef DEFAULT_SAVE_PATH
Common::String savePath;
#if defined(UNIX) && !defined(IPHONE)
const char *home = getenv("HOME");
if (home && *home && strlen(home) < MAXPATHLEN) {
savePath = home;
savePath += "/" DEFAULT_SAVE_PATH;
ConfMan.registerDefault("savepath", savePath);
}
#elif defined(__SYMBIAN32__)
savePath = Symbian::GetExecutablePath();
savePath += DEFAULT_SAVE_PATH "\\";
ConfMan.registerDefault("savepath", savePath);
#endif
#endif // #ifdef DEFAULT_SAVE_PATH
}
DefaultSaveFileManager::DefaultSaveFileManager(const Common::String &defaultSavepath) {
ConfMan.registerDefault("savepath", defaultSavepath);
}
Common::StringList DefaultSaveFileManager::listSavefiles(const char *pattern) {
FilesystemNode savePath(getSavePath());
FSList savefiles;
Common::StringList results;
Common::String search(pattern);
if (savePath.lookupFile(savefiles, search, false, true, 0)) {
for (FSList::const_iterator file = savefiles.begin(); file != savefiles.end(); ++file) {
results.push_back(file->getName());
}
}
return results;
}
void DefaultSaveFileManager::checkPath(const FilesystemNode &dir) {
const Common::String path = dir.getPath();
clearError();
#if defined(UNIX) || defined(__SYMBIAN32__)
struct stat sb;
// Check whether the dir exists
if (stat(path.c_str(), &sb) == -1) {
// The dir does not exist, or stat failed for some other reason.
// If the problem was that the path pointed to nothing, try
// to create the dir (ENOENT case).
switch (errno) {
case EACCES:
setError(SFM_DIR_ACCESS, "Search or write permission denied: "+path);
break;
#if !defined(__SYMBIAN32__)
case ELOOP:
setError(SFM_DIR_LOOP, "Too many symbolic links encountered while traversing the path: "+path);
break;
#endif
case ENAMETOOLONG:
setError(SFM_DIR_NAMETOOLONG, "The path name is too long: "+path);
break;
case ENOENT:
if (mkdir(path.c_str(), 0755) != 0) {
// mkdir could fail for various reasons: The parent dir doesn't exist,
// or is not writeable, the path could be completly bogus, etc.
warning("mkdir for '%s' failed!", path.c_str());
perror("mkdir");
switch (errno) {
case EACCES:
setError(SFM_DIR_ACCESS, "Search or write permission denied: "+path);
break;
case EMLINK:
setError(SFM_DIR_LINKMAX, "The link count of the parent directory would exceed {LINK_MAX}: "+path);
break;
#if !defined(__SYMBIAN32__)
case ELOOP:
setError(SFM_DIR_LOOP, "Too many symbolic links encountered while traversing the path: "+path);
break;
#endif
case ENAMETOOLONG:
setError(SFM_DIR_NAMETOOLONG, "The path name is too long: "+path);
break;
case ENOENT:
setError(SFM_DIR_NOENT, "A component of the path does not exist, or the path is an empty string: "+path);
break;
case ENOTDIR:
setError(SFM_DIR_NOTDIR, "A component of the path prefix is not a directory: "+path);
break;
case EROFS:
setError(SFM_DIR_ROFS, "The parent directory resides on a read-only file system:"+path);
break;
}
}
break;
case ENOTDIR:
setError(SFM_DIR_NOTDIR, "A component of the path prefix is not a directory: "+path);
break;
}
} else {
// So stat() succeeded. But is the path actually pointing to a directory?
if (!S_ISDIR(sb.st_mode)) {
setError(SFM_DIR_NOTDIR, "The given savepath is not a directory: "+path);
}
}
#else
if (!dir.exists()) {
// TODO: We could try to mkdir the directory here; or rather, we could
// add a mkdir method to FilesystemNode and invoke that here.
setError(SFM_DIR_NOENT, "A component of the path does not exist, or the path is an empty string: "+path);
} else if (!dir.isDirectory()) {
setError(SFM_DIR_NOTDIR, "The given savepath is not a directory: "+path);
}
#endif
}
Common::InSaveFile *DefaultSaveFileManager::openForLoading(const char *filename) {
// Ensure that the savepath is valid. If not, generate an appropriate error.
FilesystemNode savePath(getSavePath());
checkPath(savePath);
if (getError() == SFM_NO_ERROR) {
FilesystemNode file = savePath.getChild(filename);
// Open the file for reading
Common::SeekableReadStream *sf = file.openForReading();
return wrapInSaveFile(sf);
} else {
return 0;
}
}
Common::OutSaveFile *DefaultSaveFileManager::openForSaving(const char *filename) {
// Ensure that the savepath is valid. If not, generate an appropriate error.
FilesystemNode savePath(getSavePath());
checkPath(savePath);
if (getError() == SFM_NO_ERROR) {
FilesystemNode file = savePath.getChild(filename);
// Open the file for saving
Common::WriteStream *sf = file.openForWriting();
return wrapOutSaveFile(sf);
} else {
return 0;
}
}
bool DefaultSaveFileManager::removeSavefile(const char *filename) {
clearError();
FilesystemNode savePath(getSavePath());
FilesystemNode file = savePath.getChild(filename);
// TODO: Add new method FilesystemNode::remove()
if (remove(file.getPath().c_str()) != 0) {
#ifndef _WIN32_WCE
if (errno == EACCES)
setError(SFM_DIR_ACCESS, "Search or write permission denied: "+file.getName());
if (errno == ENOENT)
setError(SFM_DIR_NOENT, "A component of the path does not exist, or the path is an empty string: "+file.getName());
#endif
return false;
} else {
return true;
}
}
Common::String DefaultSaveFileManager::getSavePath() const {
Common::String dir;
// Try to use game specific savepath from config
dir = ConfMan.get("savepath");
// Work around a bug (#999122) in the original 0.6.1 release of
// ScummVM, which would insert a bad savepath value into config files.
if (dir == "None") {
ConfMan.removeKey("savepath", ConfMan.getActiveDomainName());
ConfMan.flushToDisk();
dir = ConfMan.get("savepath");
}
#ifdef _WIN32_WCE
if (dir.empty())
dir = ConfMan.get("path");
#endif
return dir;
}
#endif // !defined(DISABLE_DEFAULT_SAVEFILEMANAGER)
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