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
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
|
// Windows/FileFind.cpp
#include "StdAfx.h"
#include "FileFind.h"
#ifndef _UNICODE
#include "../Common/StringConvert.h"
#endif
#ifndef _UNICODE
extern bool g_IsNT;
#endif
namespace NWindows {
namespace NFile {
namespace NFind {
static const TCHAR kDot = TEXT('.');
bool CFileInfo::IsDots() const
{
if (!IsDirectory() || Name.IsEmpty())
return false;
if (Name[0] != kDot)
return false;
return Name.Length() == 1 || (Name[1] == kDot && Name.Length() == 2);
}
#ifndef _UNICODE
bool CFileInfoW::IsDots() const
{
if (!IsDirectory() || Name.IsEmpty())
return false;
if (Name[0] != kDot)
return false;
return Name.Length() == 1 || (Name[1] == kDot && Name.Length() == 2);
}
#endif
static void ConvertWIN32_FIND_DATA_To_FileInfo(
const WIN32_FIND_DATA &findData,
CFileInfo &fileInfo)
{
fileInfo.Attributes = findData.dwFileAttributes;
fileInfo.CreationTime = findData.ftCreationTime;
fileInfo.LastAccessTime = findData.ftLastAccessTime;
fileInfo.LastWriteTime = findData.ftLastWriteTime;
fileInfo.Size = (((UInt64)findData.nFileSizeHigh) << 32) + findData.nFileSizeLow;
fileInfo.Name = findData.cFileName;
#ifndef _WIN32_WCE
fileInfo.ReparseTag = findData.dwReserved0;
#else
fileInfo.ObjectID = findData.dwOID;
#endif
}
#ifndef _UNICODE
static inline UINT GetCurrentCodePage() { return ::AreFileApisANSI() ? CP_ACP : CP_OEMCP; }
static void ConvertWIN32_FIND_DATA_To_FileInfo(
const WIN32_FIND_DATAW &findData,
CFileInfoW &fileInfo)
{
fileInfo.Attributes = findData.dwFileAttributes;
fileInfo.CreationTime = findData.ftCreationTime;
fileInfo.LastAccessTime = findData.ftLastAccessTime;
fileInfo.LastWriteTime = findData.ftLastWriteTime;
fileInfo.Size = (((UInt64)findData.nFileSizeHigh) << 32) + findData.nFileSizeLow;
fileInfo.Name = findData.cFileName;
#ifndef _WIN32_WCE
fileInfo.ReparseTag = findData.dwReserved0;
#else
fileInfo.ObjectID = findData.dwOID;
#endif
}
static void ConvertWIN32_FIND_DATA_To_FileInfo(
const WIN32_FIND_DATA &findData,
CFileInfoW &fileInfo)
{
fileInfo.Attributes = findData.dwFileAttributes;
fileInfo.CreationTime = findData.ftCreationTime;
fileInfo.LastAccessTime = findData.ftLastAccessTime;
fileInfo.LastWriteTime = findData.ftLastWriteTime;
fileInfo.Size = (((UInt64)findData.nFileSizeHigh) << 32) + findData.nFileSizeLow;
fileInfo.Name = GetUnicodeString(findData.cFileName, GetCurrentCodePage());
#ifndef _WIN32_WCE
fileInfo.ReparseTag = findData.dwReserved0;
#else
fileInfo.ObjectID = findData.dwOID;
#endif
}
#endif
////////////////////////////////
// CFindFile
bool CFindFile::Close()
{
if(!_handleAllocated)
return true;
bool result = BOOLToBool(::FindClose(_handle));
_handleAllocated = !result;
return result;
}
bool CFindFile::FindFirst(LPCTSTR wildcard, CFileInfo &fileInfo)
{
Close();
WIN32_FIND_DATA findData;
_handle = ::FindFirstFile(wildcard, &findData);
if (_handleAllocated = (_handle != INVALID_HANDLE_VALUE))
ConvertWIN32_FIND_DATA_To_FileInfo(findData, fileInfo);
return _handleAllocated;
}
#ifndef _UNICODE
bool CFindFile::FindFirst(LPCWSTR wildcard, CFileInfoW &fileInfo)
{
Close();
if (g_IsNT)
{
WIN32_FIND_DATAW findData;
_handle = ::FindFirstFileW(wildcard, &findData);
if (_handleAllocated = (_handle != INVALID_HANDLE_VALUE))
ConvertWIN32_FIND_DATA_To_FileInfo(findData, fileInfo);
}
else
{
WIN32_FIND_DATAA findData;
_handle = ::FindFirstFileA(UnicodeStringToMultiByte(wildcard,
GetCurrentCodePage()), &findData);
if (_handleAllocated = (_handle != INVALID_HANDLE_VALUE))
ConvertWIN32_FIND_DATA_To_FileInfo(findData, fileInfo);
}
return _handleAllocated;
}
#endif
bool CFindFile::FindNext(CFileInfo &fileInfo)
{
WIN32_FIND_DATA findData;
bool result = BOOLToBool(::FindNextFile(_handle, &findData));
if (result)
ConvertWIN32_FIND_DATA_To_FileInfo(findData, fileInfo);
return result;
}
#ifndef _UNICODE
bool CFindFile::FindNext(CFileInfoW &fileInfo)
{
if (g_IsNT)
{
WIN32_FIND_DATAW findData;
if (!::FindNextFileW(_handle, &findData))
return false;
ConvertWIN32_FIND_DATA_To_FileInfo(findData, fileInfo);
}
else
{
WIN32_FIND_DATAA findData;
if (!::FindNextFileA(_handle, &findData))
return false;
ConvertWIN32_FIND_DATA_To_FileInfo(findData, fileInfo);
}
return true;
}
#endif
bool FindFile(LPCTSTR wildcard, CFileInfo &fileInfo)
{
CFindFile finder;
return finder.FindFirst(wildcard, fileInfo);
}
#ifndef _UNICODE
bool FindFile(LPCWSTR wildcard, CFileInfoW &fileInfo)
{
CFindFile finder;
return finder.FindFirst(wildcard, fileInfo);
}
#endif
bool DoesFileExist(LPCTSTR name)
{
CFileInfo fileInfo;
return FindFile(name, fileInfo);
}
#ifndef _UNICODE
bool DoesFileExist(LPCWSTR name)
{
CFileInfoW fileInfo;
return FindFile(name, fileInfo);
}
#endif
/////////////////////////////////////
// CEnumerator
bool CEnumerator::NextAny(CFileInfo &fileInfo)
{
if(_findFile.IsHandleAllocated())
return _findFile.FindNext(fileInfo);
else
return _findFile.FindFirst(_wildcard, fileInfo);
}
bool CEnumerator::Next(CFileInfo &fileInfo)
{
while(true)
{
if(!NextAny(fileInfo))
return false;
if(!fileInfo.IsDots())
return true;
}
}
bool CEnumerator::Next(CFileInfo &fileInfo, bool &found)
{
if (Next(fileInfo))
{
found = true;
return true;
}
found = false;
return (::GetLastError() == ERROR_NO_MORE_FILES);
}
#ifndef _UNICODE
bool CEnumeratorW::NextAny(CFileInfoW &fileInfo)
{
if(_findFile.IsHandleAllocated())
return _findFile.FindNext(fileInfo);
else
return _findFile.FindFirst(_wildcard, fileInfo);
}
bool CEnumeratorW::Next(CFileInfoW &fileInfo)
{
while(true)
{
if(!NextAny(fileInfo))
return false;
if(!fileInfo.IsDots())
return true;
}
}
bool CEnumeratorW::Next(CFileInfoW &fileInfo, bool &found)
{
if (Next(fileInfo))
{
found = true;
return true;
}
found = false;
return (::GetLastError() == ERROR_NO_MORE_FILES);
}
#endif
////////////////////////////////
// CFindChangeNotification
bool CFindChangeNotification::Close()
{
if(_handle == INVALID_HANDLE_VALUE || _handle == 0)
return true;
bool result = BOOLToBool(::FindCloseChangeNotification(_handle));
if (result)
_handle = INVALID_HANDLE_VALUE;
return result;
}
HANDLE CFindChangeNotification::FindFirst(LPCTSTR pathName, bool watchSubtree,
DWORD notifyFilter)
{
_handle = ::FindFirstChangeNotification(pathName,
BoolToBOOL(watchSubtree), notifyFilter);
return _handle;
}
#ifndef _UNICODE
HANDLE CFindChangeNotification::FindFirst(LPCWSTR pathName, bool watchSubtree,
DWORD notifyFilter)
{
if (g_IsNT)
return (_handle = ::FindFirstChangeNotificationW(pathName, BoolToBOOL(watchSubtree), notifyFilter));
return FindFirst(UnicodeStringToMultiByte(pathName, GetCurrentCodePage()), watchSubtree, notifyFilter);
}
#endif
#ifndef _WIN32_WCE
bool MyGetLogicalDriveStrings(CSysStringVector &driveStrings)
{
driveStrings.Clear();
UINT32 size = GetLogicalDriveStrings(0, NULL);
if(size == 0)
return false;
CSysString buffer;
UINT32 newSize = GetLogicalDriveStrings(size, buffer.GetBuffer(size));
if(newSize == 0)
return false;
if(newSize > size)
return false;
CSysString string;
for(UINT32 i = 0; i < newSize; i++)
{
TCHAR c = buffer[i];
if(c == TEXT('\0'))
{
driveStrings.Add(string);
string.Empty();
}
else
string += c;
}
if(!string.IsEmpty())
return false;
return true;
}
#ifndef _UNICODE
bool MyGetLogicalDriveStrings(UStringVector &driveStrings)
{
driveStrings.Clear();
if (g_IsNT)
{
UINT32 size = GetLogicalDriveStringsW(0, NULL);
if (size == 0)
return false;
UString buffer;
UINT32 newSize = GetLogicalDriveStringsW(size, buffer.GetBuffer(size));
if(newSize == 0)
return false;
if(newSize > size)
return false;
UString string;
for(UINT32 i = 0; i < newSize; i++)
{
WCHAR c = buffer[i];
if(c == L'\0')
{
driveStrings.Add(string);
string.Empty();
}
else
string += c;
}
return string.IsEmpty();
}
CSysStringVector driveStringsA;
bool res = MyGetLogicalDriveStrings(driveStringsA);
for (int i = 0; i < driveStringsA.Size(); i++)
driveStrings.Add(GetUnicodeString(driveStringsA[i]));
return res;
}
#endif
#endif
}}}
|
