src/mac/carbon/dirmac.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mac/dirmac.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 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #include "wx/dir.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/intl.h"
  31     #include "wx/log.h"
  32 #endif // PCH
  33
  34 #include "wx/filefn.h"          // for wxDirExists()
  35 #include "wx/filename.h"
  36 #include "wx/mac/private.h"
  37
  38 // ----------------------------------------------------------------------------
  39 // private classes
  40 // ----------------------------------------------------------------------------
  41
  42 // this class stores everything we need to enumerate the files
  43 class wxDirData
  44 {
  45 public:
  46     wxDirData(const wxString& dirname);
  47     ~wxDirData();
  48
  49     void Close() ;
  50     void SetFileSpec(const wxString& filespec) { m_filespec = filespec; }
  51     void SetFlags(int flags) { m_flags = flags; }
  52
  53     bool Read(wxString *filename); // reads the next
  54     void Rewind() ;
  55
  56     const wxString& GetName() const { return m_dirname; }
  57
  58 private:
  59     FSIterator              m_iterator ;
  60
  61     wxString m_dirname;
  62     wxString m_filespec;
  63
  64     int      m_flags;
  65 };
  66
  67 // ============================================================================
  68 // implementation
  69 // ============================================================================
  70
  71 // ----------------------------------------------------------------------------
  72 // wxDirData
  73 // ----------------------------------------------------------------------------
  74
  75 wxDirData::wxDirData(const wxString& dirname)
  76          : m_dirname(dirname)
  77 {
  78     // throw away the trailing slashes
  79     size_t n = m_dirname.length();
  80     wxCHECK_RET( n, _T("empty dir name in wxDir") );
  81
  82     while ( n > 0 && wxIsPathSeparator(m_dirname[--n]) )
  83         ;
  84
  85     m_dirname.Truncate(n + 1);
  86     m_iterator = NULL ;
  87 }
  88
  89 wxDirData::~wxDirData()
  90 {
  91     Close() ;
  92 }
  93
  94 void wxDirData::Close()
  95 {
  96     if ( m_iterator )
  97     {
  98         FSCloseIterator( m_iterator ) ;
  99         m_iterator = NULL ;
 100     }
 101 }
 102
 103 void wxDirData::Rewind()
 104 {
 105     Close() ;
 106 }
 107
 108 bool wxDirData::Read(wxString *filename)
 109 {
 110     wxString result;
 111     OSStatus err = noErr ;
 112     if ( NULL == m_iterator )
 113     {
 114         FSRef dirRef;
 115         err = wxMacPathToFSRef( m_dirname , &dirRef ) ;
 116         if ( err == noErr )
 117         {
 118             err = FSOpenIterator(&dirRef, kFSIterateFlat, &m_iterator);
 119         }
 120         if ( err )
 121         {
 122             Close() ;
 123             return false ;
 124         }
 125     }
 126
 127     wxString name ;
 128
 129     while( noErr == err )
 130     {
 131         HFSUniStr255 uniname ;
 132         FSRef fileRef;
 133         FSCatalogInfo catalogInfo;
 134         ItemCount fetched = 0;
 135
 136         err = FSGetCatalogInfoBulk( m_iterator, 1, &fetched, NULL, kFSCatInfoNodeFlags | kFSCatInfoFinderInfo , &catalogInfo , &fileRef, NULL, &uniname );
 137
 138         // expected error codes
 139
 140         if ( errFSNoMoreItems == err )
 141             return false ;
 142         if ( afpAccessDenied == err )
 143             return false ;
 144
 145         if ( noErr != err )
 146             break ;
 147
 148         name = wxMacHFSUniStrToString( &uniname ) ;
 149
 150         if ( ( name == wxT(".") || name == wxT("..") ) && !(m_flags & wxDIR_DOTDOT) )
 151             continue;
 152
 153         if ( ( name[0U] == '.' ) && !(m_flags & wxDIR_HIDDEN ) )
 154             continue ;
 155
 156         if ( (((FileInfo*)&catalogInfo.finderInfo)->finderFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN ) )
 157             continue ;
 158
 159         // its a dir and we don't want it
 160         if ( (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask)  && !(m_flags & wxDIR_DIRS) )
 161             continue ;
 162
 163         // its a file but we don't want it
 164         if ( (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask) == 0  && !(m_flags & wxDIR_FILES ) )
 165             continue ;
 166
 167         if ( m_filespec.empty() || m_filespec == wxT("*.*") || m_filespec == wxT("*") )
 168         {
 169         }
 170         else if ( !wxMatchWild(m_filespec, name , false) )
 171         {
 172             continue ;
 173         }
 174
 175         break ;
 176     }
 177     if ( err != noErr )
 178     {
 179         return false ;
 180     }
 181
 182     *filename = name ;
 183     return true;
 184 }
 185
 186 // ----------------------------------------------------------------------------
 187 // wxDir helpers
 188 // ----------------------------------------------------------------------------
 189
 190 /* static */
 191 bool wxDir::Exists(const wxString& dir)
 192 {
 193     return wxDirExists(dir);
 194 }
 195
 196 // ----------------------------------------------------------------------------
 197 // wxDir construction/destruction
 198 // ----------------------------------------------------------------------------
 199
 200 wxDir::wxDir(const wxString& dirname)
 201 {
 202     m_data = NULL;
 203
 204     (void)Open(dirname);
 205 }
 206
 207 bool wxDir::Open(const wxString& dirname)
 208 {
 209     delete m_data;
 210     m_data = new wxDirData(dirname);
 211
 212     return true;
 213 }
 214
 215 bool wxDir::IsOpened() const
 216 {
 217     return m_data != NULL;
 218 }
 219
 220 wxString wxDir::GetName() const
 221 {
 222     wxString name;
 223     if ( m_data )
 224     {
 225         name = m_data->GetName();
 226         if ( !name.empty() && (name.Last() == _T('/')) )
 227         {
 228             // chop off the last (back)slash
 229             name.Truncate(name.length() - 1);
 230         }
 231     }
 232
 233     return name;
 234 }
 235
 236 wxDir::~wxDir()
 237 {
 238     delete m_data;
 239     m_data = NULL;
 240 }
 241
 242 // ----------------------------------------------------------------------------
 243 // wxDir enumerating
 244 // ----------------------------------------------------------------------------
 245
 246 bool wxDir::GetFirst(wxString *filename,
 247                      const wxString& filespec,
 248                      int flags) const
 249 {
 250     wxCHECK_MSG( IsOpened(), false, _T("must wxDir::Open() first") );
 251
 252     m_data->Rewind();
 253
 254     m_data->SetFileSpec(filespec);
 255     m_data->SetFlags(flags);
 256
 257     return GetNext(filename);
 258 }
 259
 260 bool wxDir::GetNext(wxString *filename) const
 261 {
 262     wxCHECK_MSG( IsOpened(), false, _T("must wxDir::Open() first") );
 263
 264     wxCHECK_MSG( filename, false, _T("bad pointer in wxDir::GetNext()") );
 265
 266     return m_data->Read(filename);
 267 }