src/mac/carbon/dirmac.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/dir.cpp
   3 // Purpose:     wxDir implementation for Mac
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     08.12.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 Stefan Csomor <csomor@advanced.ch>
   9 // Licence:     wxWindows licence
  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 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/intl.h"
  33     #include "wx/log.h"
  34 #endif // PCH
  35
  36 #include "wx/dir.h"
  37 #include "wx/filefn.h"          // for wxPathExists()
  38
  39 #ifndef __DARWIN__
  40   #include <windows.h>
  41 #endif
  42
  43 #include "wx/filename.h"
  44 #include "wx/mac/private.h"
  45
  46 #include "MoreFilesX.h"
  47
  48 // ----------------------------------------------------------------------------
  49 // constants
  50 // ----------------------------------------------------------------------------
  51
  52 #ifndef MAX_PATH
  53     #define MAX_PATH 260        // from VC++ headers
  54 #endif
  55
  56 // ----------------------------------------------------------------------------
  57 // macros
  58 // ----------------------------------------------------------------------------
  59
  60 #define M_DIR       ((wxDirData *)m_data)
  61
  62 // ----------------------------------------------------------------------------
  63 // private classes
  64 // ----------------------------------------------------------------------------
  65
  66 // this class stores everything we need to enumerate the files
  67 class wxDirData
  68 {
  69 public:
  70     wxDirData(const wxString& dirname);
  71     ~wxDirData();
  72
  73     void Close() ;
  74     void SetFileSpec(const wxString& filespec) { m_filespec = filespec; }
  75     void SetFlags(int flags) { m_flags = flags; }
  76
  77     bool Read(wxString *filename); // reads the next
  78     void Rewind() ;
  79
  80     const wxString& GetName() const { return m_dirname; }
  81
  82 private:
  83     FSIterator              m_iterator ;
  84
  85     wxString m_dirname;
  86     wxString m_filespec;
  87
  88     int      m_flags;
  89 };
  90
  91 // ============================================================================
  92 // implementation
  93 // ============================================================================
  94
  95 // ----------------------------------------------------------------------------
  96 // wxDirData
  97 // ----------------------------------------------------------------------------
  98
  99 wxDirData::wxDirData(const wxString& dirname)
 100          : m_dirname(dirname)
 101 {
 102     // throw away the trailing slashes
 103     size_t n = m_dirname.length();
 104     wxCHECK_RET( n, _T("empty dir name in wxDir") );
 105
 106     while ( n > 0 && wxIsPathSeparator(m_dirname[--n]) )
 107         ;
 108
 109     m_dirname.Truncate(n + 1);
 110     m_iterator = NULL ;
 111 }
 112
 113 wxDirData::~wxDirData()
 114 {
 115     Close() ;
 116 }
 117
 118 void wxDirData::Close()
 119 {
 120     if ( m_iterator )
 121     {
 122         FSCloseIterator( m_iterator ) ;
 123         m_iterator = NULL ;
 124     }
 125 }
 126
 127 void wxDirData::Rewind()
 128 {
 129     Close() ;
 130 }
 131
 132 bool wxDirData::Read(wxString *filename)
 133 {
 134     wxString result;
 135     OSStatus err = noErr ;
 136     if ( NULL == m_iterator )
 137     {
 138         FSRef dirRef;
 139         err = wxMacPathToFSRef( m_dirname , &dirRef ) ;
 140         if ( err == noErr )
 141         {
 142             err = FSOpenIterator(&dirRef, kFSIterateFlat, &m_iterator);
 143         }
 144         if ( err )
 145         {
 146             Close() ;
 147             return FALSE ;
 148         }
 149     }
 150
 151     wxString name ;
 152
 153     while( noErr == err )
 154     {
 155         HFSUniStr255 uniname ;
 156         FSRef fileRef;
 157         FSCatalogInfo catalogInfo;
 158         UInt32 fetched = 0;
 159
 160         err = FSGetCatalogInfoBulk( m_iterator, 1, &fetched, NULL, kFSCatInfoNodeFlags | kFSCatInfoFinderInfo , &catalogInfo , &fileRef, NULL, &uniname );
 161         if ( errFSNoMoreItems == err )
 162             return false ;
 163
 164         wxASSERT( noErr == err ) ;
 165
 166         if ( noErr != err )
 167             break ;
 168
 169         name = wxMacHFSUniStrToString( &uniname ) ;
 170
 171         if ( ( name == wxT(".") || name == wxT("..") ) && !(m_flags & wxDIR_DOTDOT) )
 172             continue;
 173
 174         if ( ( name[0U] == '.' ) && !(m_flags & wxDIR_HIDDEN ) )
 175             continue ;
 176
 177         if ( (((FileInfo*)&catalogInfo.finderInfo)->finderFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN ) )
 178             continue ;
 179
 180         // its a dir and we don't want it
 181         if ( (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask)  && !(m_flags & wxDIR_DIRS) )
 182             continue ;
 183
 184         // its a file but we don't want it
 185         if ( (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask) == 0  && !(m_flags & wxDIR_FILES ) )
 186             continue ;
 187
 188         if ( m_filespec.IsEmpty() || m_filespec == wxT("*.*") || m_filespec == wxT("*") )
 189         {
 190         }
 191         else if ( !wxMatchWild(m_filespec, name , FALSE) )
 192         {
 193             continue ;
 194         }
 195
 196         break ;
 197     }
 198     if ( err != noErr )
 199     {
 200         return FALSE ;
 201     }
 202
 203     *filename = name ;
 204     return TRUE;
 205 }
 206
 207 // ----------------------------------------------------------------------------
 208 // wxDir helpers
 209 // ----------------------------------------------------------------------------
 210
 211 /* static */
 212 bool wxDir::Exists(const wxString& dir)
 213 {
 214     return wxPathExists(dir);
 215 }
 216
 217 // ----------------------------------------------------------------------------
 218 // wxDir construction/destruction
 219 // ----------------------------------------------------------------------------
 220
 221 wxDir::wxDir(const wxString& dirname)
 222 {
 223     m_data = NULL;
 224
 225     (void)Open(dirname);
 226 }
 227
 228 bool wxDir::Open(const wxString& dirname)
 229 {
 230     delete M_DIR;
 231     m_data = new wxDirData(dirname);
 232
 233     return TRUE;
 234 }
 235
 236 bool wxDir::IsOpened() const
 237 {
 238     return m_data != NULL;
 239 }
 240
 241 wxString wxDir::GetName() const
 242 {
 243     wxString name;
 244     if ( m_data )
 245     {
 246     name = M_DIR->GetName();
 247     if ( !name.empty() && (name.Last() == _T('/')) )
 248     {
 249         // chop off the last (back)slash
 250         name.Truncate(name.length() - 1);
 251     }
 252     }
 253
 254     return name;
 255 }
 256
 257 wxDir::~wxDir()
 258 {
 259     if (M_DIR != NULL) {
 260         delete M_DIR;
 261         m_data = NULL;
 262     }
 263 }
 264
 265 // ----------------------------------------------------------------------------
 266 // wxDir enumerating
 267 // ----------------------------------------------------------------------------
 268
 269 bool wxDir::GetFirst(wxString *filename,
 270                      const wxString& filespec,
 271                      int flags) const
 272 {
 273     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 274
 275     M_DIR->Rewind();
 276
 277     M_DIR->SetFileSpec(filespec);
 278     M_DIR->SetFlags(flags);
 279
 280     return GetNext(filename);
 281 }
 282
 283 bool wxDir::GetNext(wxString *filename) const
 284 {
 285     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 286
 287     wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
 288
 289     return M_DIR->Read(filename);
 290 }