1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/* 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
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 Common::String &path) {
clearError();
#if defined(UNIX) || defined(__SYMBIAN32__)
struct stat sb;
// Check whether the dir exists
// TODO: Use the FSNode API instead
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);
}
}
#endif
}
Common::InSaveFile *DefaultSaveFileManager::openForLoading(const char *filename) {
// Ensure that the savepath is valid. If not, generate an appropriate error.
Common::String savePath = getSavePath();
checkPath(savePath);
if (getError() == SFM_NO_ERROR) {
FilesystemNode saveDir(getSavePath());
FilesystemNode file = saveDir.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.
Common::String savePath = getSavePath();
checkPath(savePath);
if (getError() == SFM_NO_ERROR) {
FilesystemNode saveDir(getSavePath());
FilesystemNode file = saveDir.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 saveDir(getSavePath());
FilesystemNode file = saveDir.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)
|
