| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: os2/dir.cpp |
| 3 | // Purpose: wxDir implementation for OS/2 |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: Stefan Neis |
| 6 | // Created: 08.12.99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "dir.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #ifndef WX_PRECOMP |
| 28 | #include "wx/intl.h" |
| 29 | #include "wx/log.h" |
| 30 | #endif // PCH |
| 31 | |
| 32 | #include "wx/dir.h" |
| 33 | #include "wx/filefn.h" // for wxMatchWild |
| 34 | |
| 35 | #include <sys/types.h> |
| 36 | |
| 37 | #define INCL_DOSFILEMGR |
| 38 | #include <os2.h> |
| 39 | |
| 40 | #ifdef __EMX__ |
| 41 | #include <dirent.h> |
| 42 | #endif |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | // define the types and functions used for file searching |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | |
| 48 | typedef FILEFINDBUF3 FIND_STRUCT; |
| 49 | typedef HDIR FIND_DATA; |
| 50 | typedef ULONG FIND_ATTR; |
| 51 | |
| 52 | static inline FIND_DATA InitFindData() { return ERROR_INVALID_HANDLE; } |
| 53 | |
| 54 | static inline bool IsFindDataOk( |
| 55 | FIND_DATA vFd |
| 56 | ) |
| 57 | { |
| 58 | return vFd != ERROR_INVALID_HANDLE; |
| 59 | } |
| 60 | |
| 61 | static inline void FreeFindData( |
| 62 | FIND_DATA vFd |
| 63 | ) |
| 64 | { |
| 65 | if (!::DosFindClose(vFd)) |
| 66 | { |
| 67 | wxLogLastError(_T("DosFindClose")); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | static inline FIND_DATA FindFirst( |
| 72 | const wxString& rsSpec |
| 73 | , FIND_STRUCT* pFinddata |
| 74 | ) |
| 75 | { |
| 76 | ULONG ulFindCount = 1; |
| 77 | FIND_DATA hDir; |
| 78 | FIND_ATTR rc; |
| 79 | |
| 80 | rc = ::DosFindFirst( rsSpec.c_str() |
| 81 | ,&hDir |
| 82 | ,FILE_NORMAL |
| 83 | ,pFinddata |
| 84 | ,sizeof(FILEFINDBUF3) |
| 85 | ,&ulFindCount |
| 86 | ,FIL_STANDARD |
| 87 | ); |
| 88 | if (rc != 0) |
| 89 | return 0; |
| 90 | return hDir; |
| 91 | } |
| 92 | |
| 93 | static inline bool FindNext( |
| 94 | FIND_DATA vFd |
| 95 | , FIND_STRUCT* pFinddata |
| 96 | ) |
| 97 | { |
| 98 | ULONG ulFindCount = 1; |
| 99 | |
| 100 | return ::DosFindNext( vFd |
| 101 | ,pFinddata |
| 102 | ,sizeof(FILEFINDBUF3) |
| 103 | ,&ulFindCount |
| 104 | ) != 0; |
| 105 | } |
| 106 | |
| 107 | static const wxChar* GetNameFromFindData( |
| 108 | FIND_STRUCT* pFinddata |
| 109 | ) |
| 110 | { |
| 111 | return pFinddata->achName; |
| 112 | } |
| 113 | |
| 114 | static const FIND_ATTR GetAttrFromFindData( |
| 115 | FIND_STRUCT* pFinddata |
| 116 | ) |
| 117 | { |
| 118 | return pFinddata->attrFile; |
| 119 | } |
| 120 | |
| 121 | static inline bool IsDir( |
| 122 | FIND_ATTR vAttr |
| 123 | ) |
| 124 | { |
| 125 | return (vAttr & FILE_DIRECTORY) != 0; |
| 126 | } |
| 127 | |
| 128 | static inline bool IsHidden( |
| 129 | FIND_ATTR vAttr |
| 130 | ) |
| 131 | { |
| 132 | return (vAttr & (FILE_HIDDEN | FILE_SYSTEM)) != 0; |
| 133 | } |
| 134 | |
| 135 | // ---------------------------------------------------------------------------- |
| 136 | // constants |
| 137 | // ---------------------------------------------------------------------------- |
| 138 | |
| 139 | #ifndef MAX_PATH |
| 140 | #define MAX_PATH 260 // from PM++ headers |
| 141 | #endif |
| 142 | |
| 143 | // ---------------------------------------------------------------------------- |
| 144 | // macros |
| 145 | // ---------------------------------------------------------------------------- |
| 146 | |
| 147 | #define M_DIR ((wxDirData *)m_data) |
| 148 | |
| 149 | // ---------------------------------------------------------------------------- |
| 150 | // private classes |
| 151 | // ---------------------------------------------------------------------------- |
| 152 | |
| 153 | // this class stores everything we need to enumerate the files |
| 154 | class wxDirData |
| 155 | { |
| 156 | public: |
| 157 | wxDirData(const wxString& rsDirname); |
| 158 | ~wxDirData(); |
| 159 | |
| 160 | void SetFileSpec(const wxString& rsFilespec) { m_sFilespec = rsFilespec; } |
| 161 | void SetFlags(int nFlags) { m_nFlags = nFlags; } |
| 162 | |
| 163 | const wxString& GetName() const { return m_sDirname; } |
| 164 | void Close(); |
| 165 | void Rewind(); |
| 166 | bool Read(wxString* rsFilename); |
| 167 | |
| 168 | private: |
| 169 | FIND_DATA m_vFinddata; |
| 170 | wxString m_sDirname; |
| 171 | wxString m_sFilespec; |
| 172 | int m_nFlags; |
| 173 | }; // end of CLASS wxDirData |
| 174 | |
| 175 | // ============================================================================ |
| 176 | // implementation |
| 177 | // ============================================================================ |
| 178 | |
| 179 | // ---------------------------------------------------------------------------- |
| 180 | // wxDirData |
| 181 | // ---------------------------------------------------------------------------- |
| 182 | |
| 183 | wxDirData::wxDirData( |
| 184 | const wxString& rsDirname |
| 185 | ) |
| 186 | : m_sDirname(rsDirname) |
| 187 | { |
| 188 | m_vFinddata = InitFindData(); |
| 189 | } // end of wxDirData::wxDirData |
| 190 | |
| 191 | wxDirData::~wxDirData() |
| 192 | { |
| 193 | Close(); |
| 194 | } // end of wxDirData::~wxDirData |
| 195 | |
| 196 | void wxDirData::Close() |
| 197 | { |
| 198 | if ( IsFindDataOk(m_vFinddata) ) |
| 199 | { |
| 200 | FreeFindData(m_vFinddata); |
| 201 | m_vFinddata = InitFindData(); |
| 202 | } |
| 203 | } // end of wxDirData::Close |
| 204 | |
| 205 | void wxDirData::Rewind() |
| 206 | { |
| 207 | Close(); |
| 208 | } // end of wxDirData::Rewind |
| 209 | |
| 210 | bool wxDirData::Read( |
| 211 | wxString* psFilename |
| 212 | ) |
| 213 | { |
| 214 | bool bFirst = FALSE; |
| 215 | |
| 216 | FILEFINDBUF3 vFinddata; |
| 217 | #define PTR_TO_FINDDATA (&vFinddata) |
| 218 | |
| 219 | if (!IsFindDataOk(m_vFinddata)) |
| 220 | { |
| 221 | // |
| 222 | // Open first |
| 223 | // |
| 224 | wxString sFilespec = m_sDirname; |
| 225 | |
| 226 | if ( !wxEndsWithPathSeparator(sFilespec) ) |
| 227 | { |
| 228 | sFilespec += _T('\\'); |
| 229 | } |
| 230 | sFilespec += (!m_sFilespec ? _T("*.*") : m_sFilespec.c_str()); |
| 231 | |
| 232 | m_vFinddata = FindFirst( sFilespec |
| 233 | ,PTR_TO_FINDDATA |
| 234 | ); |
| 235 | bFirst = TRUE; |
| 236 | } |
| 237 | |
| 238 | if ( !IsFindDataOk(m_vFinddata) ) |
| 239 | { |
| 240 | return FALSE; |
| 241 | } |
| 242 | |
| 243 | const wxChar* zName; |
| 244 | FIND_ATTR vAttr; |
| 245 | |
| 246 | for ( ;; ) |
| 247 | { |
| 248 | if (bFirst) |
| 249 | { |
| 250 | bFirst = FALSE; |
| 251 | } |
| 252 | else |
| 253 | { |
| 254 | if (!FindNext( m_vFinddata |
| 255 | ,PTR_TO_FINDDATA |
| 256 | )) |
| 257 | { |
| 258 | return FALSE; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | zName = GetNameFromFindData(PTR_TO_FINDDATA); |
| 263 | vAttr = GetAttrFromFindData(PTR_TO_FINDDATA); |
| 264 | |
| 265 | // |
| 266 | // Don't return "." and ".." unless asked for |
| 267 | // |
| 268 | if ( zName[0] == _T('.') && |
| 269 | ((zName[1] == _T('.') && zName[2] == _T('\0')) || |
| 270 | (zName[1] == _T('\0'))) ) |
| 271 | { |
| 272 | if (!(m_nFlags & wxDIR_DOTDOT)) |
| 273 | continue; |
| 274 | } |
| 275 | |
| 276 | // |
| 277 | // Check the type now |
| 278 | // |
| 279 | if (!(m_nFlags & wxDIR_FILES) && !IsDir(vAttr)) |
| 280 | { |
| 281 | // |
| 282 | // It's a file, but we don't want them |
| 283 | // |
| 284 | continue; |
| 285 | } |
| 286 | else if (!(m_nFlags & wxDIR_DIRS) && IsDir(vAttr) ) |
| 287 | { |
| 288 | // |
| 289 | // It's a dir, and we don't want it |
| 290 | // |
| 291 | continue; |
| 292 | } |
| 293 | |
| 294 | // |
| 295 | // Finally, check whether it's a hidden file |
| 296 | // |
| 297 | if (!(m_nFlags & wxDIR_HIDDEN)) |
| 298 | { |
| 299 | if (IsHidden(vAttr)) |
| 300 | { |
| 301 | // |
| 302 | // It's a hidden file, skip it |
| 303 | // |
| 304 | continue; |
| 305 | } |
| 306 | } |
| 307 | *psFilename = zName; |
| 308 | break; |
| 309 | } |
| 310 | return TRUE; |
| 311 | } // end of wxDirData::Read |
| 312 | |
| 313 | // ---------------------------------------------------------------------------- |
| 314 | // wxDir helpers |
| 315 | // ---------------------------------------------------------------------------- |
| 316 | |
| 317 | /* static */ |
| 318 | bool wxDir::Exists( |
| 319 | const wxString& rsDir |
| 320 | ) |
| 321 | { |
| 322 | return wxPathExists(rsDir); |
| 323 | } // end of wxDir::Exists |
| 324 | |
| 325 | // ---------------------------------------------------------------------------- |
| 326 | // wxDir construction/destruction |
| 327 | // ---------------------------------------------------------------------------- |
| 328 | |
| 329 | wxDir::wxDir( |
| 330 | const wxString& rsDirname |
| 331 | ) |
| 332 | { |
| 333 | m_data = NULL; |
| 334 | |
| 335 | (void)Open(rsDirname); |
| 336 | } // end of wxDir::wxDir |
| 337 | |
| 338 | bool wxDir::Open( |
| 339 | const wxString& rsDirname |
| 340 | ) |
| 341 | { |
| 342 | delete M_DIR; |
| 343 | m_data = new wxDirData(rsDirname); |
| 344 | return TRUE; |
| 345 | } // end of wxDir::Open |
| 346 | |
| 347 | bool wxDir::IsOpened() const |
| 348 | { |
| 349 | return m_data != NULL; |
| 350 | } // end of wxDir::IsOpen |
| 351 | |
| 352 | wxString wxDir::GetName() const |
| 353 | { |
| 354 | wxString name; |
| 355 | if ( m_data ) |
| 356 | { |
| 357 | name = M_DIR->GetName(); |
| 358 | if ( !name.empty() ) |
| 359 | { |
| 360 | // bring to canonical Windows form |
| 361 | name.Replace(_T("/"), _T("\\")); |
| 362 | |
| 363 | if ( name.Last() == _T('\\') ) |
| 364 | { |
| 365 | // chop off the last (back)slash |
| 366 | name.Truncate(name.length() - 1); |
| 367 | } |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | return name; |
| 372 | } |
| 373 | |
| 374 | wxDir::~wxDir() |
| 375 | { |
| 376 | delete M_DIR; |
| 377 | } // end of wxDir::~wxDir |
| 378 | |
| 379 | // ---------------------------------------------------------------------------- |
| 380 | // wxDir enumerating |
| 381 | // ---------------------------------------------------------------------------- |
| 382 | |
| 383 | bool wxDir::GetFirst( |
| 384 | wxString* psFilename |
| 385 | , const wxString& rsFilespec |
| 386 | , int nFlags |
| 387 | ) const |
| 388 | { |
| 389 | wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") ); |
| 390 | M_DIR->Rewind(); |
| 391 | M_DIR->SetFileSpec(rsFilespec); |
| 392 | M_DIR->SetFlags(nFlags); |
| 393 | return GetNext(psFilename); |
| 394 | } // end of wxDir::GetFirst |
| 395 | |
| 396 | bool wxDir::GetNext( |
| 397 | wxString* psFilename |
| 398 | ) const |
| 399 | { |
| 400 | wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") ); |
| 401 | wxCHECK_MSG( psFilename, FALSE, _T("bad pointer in wxDir::GetNext()") ); |
| 402 | return M_DIR->Read(psFilename); |
| 403 | } // end of wxDir::GetNext |
| 404 | |