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
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2004 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifdef WIN32
#include "stdafx.h"
#include "../fs.h"
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <tchar.h>
/*
* Implementation of the ScummVM file system API based on Windows API.
*/
class WindowsFilesystemNode : public FilesystemNode {
protected:
String _displayName;
bool _isDirectory;
bool _isValid;
bool _isPseudoRoot;
String _path;
public:
WindowsFilesystemNode();
WindowsFilesystemNode(const String &path);
WindowsFilesystemNode(const WindowsFilesystemNode *node);
virtual String displayName() const { return _displayName; }
virtual bool isValid() const { return _isValid; }
virtual bool isDirectory() const { return _isDirectory; }
virtual String path() const { return _path; }
virtual FSList *listDir(ListMode) const;
virtual FilesystemNode *parent() const;
virtual FilesystemNode *clone() const { return new WindowsFilesystemNode(this); }
private:
static char *toAscii(TCHAR *x);
static TCHAR* toUnicode(char *x);
static void addFile (FSList* list, ListMode mode, const char *base, WIN32_FIND_DATA* find_data);
};
char* WindowsFilesystemNode::toAscii(TCHAR *x) {
#ifndef UNICODE
return (char*)x;
#else
static char asciiString[MAX_PATH];
WideCharToMultiByte(CP_ACP, 0, x, _tcslen(x) + 1, asciiString, sizeof(asciiString), NULL, NULL);
return asciiString;
#endif
}
TCHAR* WindowsFilesystemNode::toUnicode(char *x) {
#ifndef UNICODE
return (TCHAR*)x;
#else
static TCHAR unicodeString[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, x, strlen(x) + 1, unicodeString, sizeof(unicodeString));
return unicodeString;
#endif
}
void WindowsFilesystemNode::addFile(FSList* list, ListMode mode, const char *base, WIN32_FIND_DATA* find_data) {
WindowsFilesystemNode entry;
char *asciiName = toAscii(find_data->cFileName);
bool isDirectory;
// Skip local directory (.) and parent (..)
if (!strcmp(asciiName, ".") || !strcmp(asciiName, ".."))
return;
isDirectory = (find_data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ? true : false);
if ((!isDirectory && mode == kListDirectoriesOnly) ||
(isDirectory && mode == kListFilesOnly))
return;
entry._isDirectory = isDirectory;
entry._displayName = asciiName;
entry._path = base;
entry._path += asciiName;
if (entry._isDirectory)
entry._path += "\\";
entry._isValid = true;
entry._isPseudoRoot = false;
list->push_back(entry);
}
FilesystemNode *FilesystemNode::getRoot() {
return new WindowsFilesystemNode();
}
WindowsFilesystemNode::WindowsFilesystemNode() {
_isDirectory = true;
#ifndef _WIN32_WCE
// Create a virtual root directory for standard Windows system
_isValid = false;
_path = "";
_isPseudoRoot = true;
#else
_displayName = "Root";
// No need to create a pseudo root directory on Windows CE
_isValid = true;
_path = "\\";
_isPseudoRoot = false;
#endif
}
WindowsFilesystemNode::WindowsFilesystemNode(const WindowsFilesystemNode *node) {
_displayName = node->_displayName;
_isDirectory = node->_isDirectory;
_isValid = node->_isValid;
_isPseudoRoot = node->_isPseudoRoot;
_path = node->_path;
}
FSList *WindowsFilesystemNode::listDir(ListMode mode) const {
assert(_isDirectory);
FSList *myList = new FSList();
if (_isPseudoRoot) {
#ifndef _WIN32_WCE
// Drives enumeration
TCHAR drive_buffer[100];
GetLogicalDriveStrings(sizeof(drive_buffer) / sizeof(TCHAR), drive_buffer);
for (TCHAR *current_drive = drive_buffer; *current_drive;
current_drive += _tcslen(current_drive) + 1) {
WindowsFilesystemNode entry;
char drive_name[2];
drive_name[0] = toAscii(current_drive)[0];
drive_name[1] = '\0';
entry._displayName = drive_name;
entry._isDirectory = true;
entry._isValid = true;
entry._isPseudoRoot = false;
entry._path = toAscii(current_drive);
myList->push_back(entry);
}
#endif
}
else {
// Files enumeration
WIN32_FIND_DATA desc;
HANDLE handle;
char searchPath[MAX_PATH + 10];
sprintf(searchPath, "%s*", _path.c_str());
handle = FindFirstFile(toUnicode(searchPath), &desc);
if (handle == INVALID_HANDLE_VALUE)
return myList;
addFile(myList, mode, _path.c_str(), &desc);
while (FindNextFile(handle, &desc))
addFile(myList, mode, _path.c_str(), &desc);
FindClose(handle);
}
return myList;
}
const char *lastPathComponent(const Common::String &str) {
const char *start = str.c_str();
const char *cur = start + str.size() - 2;
while (cur > start && *cur != '\\') {
--cur;
}
return cur + 1;
}
FilesystemNode *WindowsFilesystemNode::parent() const {
assert(_isValid || _isPseudoRoot);
WindowsFilesystemNode *p = new WindowsFilesystemNode();
if (!_isPseudoRoot && _path.size() > 3) {
const char *start = _path.c_str();
const char *end = lastPathComponent(_path);
p->_path = String(start, end - start);
p->_isValid = true;
p->_isDirectory = true;
p->_displayName = lastPathComponent(p->_path);
p->_isPseudoRoot = false;
}
return p;
}
#endif // WIN32
|
