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
211
212
213
214
215
216
|
/* 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.
*
*/
#if defined(__WII__)
#include "backends/fs/abstract-fs.h"
#include "backends/fs/stdiostream.h"
#include <sys/iosupport.h>
#include <sys/dir.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <gctypes.h>
/**
* Implementation of the ScummVM file system API based on Wii.
*
* Parts of this class are documented in the base interface class, AbstractFSNode.
*/
class WiiFilesystemNode : public AbstractFSNode {
protected:
Common::String _displayName;
Common::String _path;
bool _isDirectory, _isReadable, _isWritable;
virtual void initRootNode();
virtual bool getDevopChildren(AbstractFSList &list, ListMode mode, bool hidden) const;
public:
/**
* Creates a WiiFilesystemNode with the root node as path.
*/
WiiFilesystemNode();
/**
* Creates a WiiFilesystemNode for a given path.
*
* @param path Common::String with the path the new node should point to.
* @param verify true if the isValid and isDirectory flags should be verified during the construction.
*/
WiiFilesystemNode(const Common::String &path, bool verify);
virtual bool exists() const;
virtual Common::String getDisplayName() const { return _displayName; }
virtual Common::String getName() const { return _displayName; }
virtual Common::String getPath() const { return _path; }
virtual bool isDirectory() const { return _isDirectory; }
virtual bool isReadable() const { return _isReadable; }
virtual bool isWritable() const { return _isWritable; }
virtual AbstractFSNode *getChild(const Common::String &n) const;
virtual bool getChildren(AbstractFSList &list, ListMode mode, bool hidden) const;
virtual AbstractFSNode *getParent() const;
virtual Common::SeekableReadStream *openForReading();
virtual Common::WriteStream *openForWriting();
};
// gets all registered devoptab devices
bool WiiFilesystemNode::getDevopChildren(AbstractFSList &list, ListMode mode, bool hidden) const {
u8 i;
const devoptab_t* dt;
if (mode == Common::FSNode::kListFilesOnly)
return true;
// skip in, out and err
for (i = 3; i < STD_MAX; ++i) {
dt = devoptab_list[i];
if (!dt || !dt->name || !dt->open_r || !dt->diropen_r)
continue;
list.push_back(new WiiFilesystemNode(Common::String(dt->name) + ":/", true));
}
return true;
}
void WiiFilesystemNode::initRootNode() {
_path.clear();
_displayName = "<devices>";
_isDirectory = true;
_isReadable = false;
_isWritable = false;
}
WiiFilesystemNode::WiiFilesystemNode() {
initRootNode();
}
WiiFilesystemNode::WiiFilesystemNode(const Common::String &p, bool verify) {
if (p.empty()) {
initRootNode();
return;
}
_path = p;
if (_path.hasSuffix(":/"))
_displayName = _path;
else
_displayName = lastPathComponent(_path, '/');
if (verify) {
_isDirectory = false;
_isReadable = false;
_isWritable = false;
struct stat st;
if (!stat(_path.c_str(), &st)) {
_isDirectory = S_ISDIR(st.st_mode);
_isReadable = (st.st_mode & S_IRUSR) > 0;
_isWritable = (st.st_mode & S_IWUSR) > 0;
}
}
}
bool WiiFilesystemNode::exists() const {
struct stat st;
return stat(_path.c_str (), &st) == 0;
}
AbstractFSNode *WiiFilesystemNode::getChild(const Common::String &n) const {
assert(_isDirectory);
Common::String newPath(_path);
if (newPath.lastChar() != '/')
newPath += '/';
newPath += n;
return new WiiFilesystemNode(newPath, true);
}
bool WiiFilesystemNode::getChildren(AbstractFSList &list, ListMode mode, bool hidden) const {
assert(_isDirectory);
if (_path.empty())
return getDevopChildren(list, mode, hidden);
DIR_ITER* dp = diropen (_path.c_str());
if (dp == NULL)
return false;
char filename[MAXPATHLEN];
struct stat st;
while (dirnext(dp, filename, &st) == 0) {
if (strcmp(filename, ".") == 0 || strcmp(filename, "..") == 0)
continue;
Common::String newPath(_path);
if (newPath.lastChar() != '/')
newPath += '/';
newPath += filename;
bool isDir = S_ISDIR(st.st_mode);
if ((mode == Common::FSNode::kListFilesOnly && isDir) ||
(mode == Common::FSNode::kListDirectoriesOnly && !isDir))
continue;
if (isDir)
newPath += '/';
list.push_back(new WiiFilesystemNode(newPath, true));
}
dirclose(dp);
return true;
}
AbstractFSNode *WiiFilesystemNode::getParent() const {
if (_path.empty())
return NULL;
const char *start = _path.c_str();
const char *end = lastPathComponent(_path, '/');
return new WiiFilesystemNode(Common::String(start, end - start), true);
}
Common::SeekableReadStream *WiiFilesystemNode::openForReading() {
return StdioStream::makeFromPath(getPath().c_str(), false);
}
Common::WriteStream *WiiFilesystemNode::openForWriting() {
return StdioStream::makeFromPath(getPath().c_str(), true);
}
#endif //#if defined(__WII__)
|
