src/osx/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/osx/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, wxT("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     wxString lowerfilespec = m_filespec.Lower();
 129
 130     while( noErr == err )
 131     {
 132         HFSUniStr255 uniname ;
 133         FSRef fileRef;
 134         FSCatalogInfo catalogInfo;
 135         ItemCount fetched = 0;
 136
 137         err = FSGetCatalogInfoBulk( m_iterator, 1, &fetched, NULL, kFSCatInfoNodeFlags | kFSCatInfoFinderInfo , &catalogInfo , &fileRef, NULL, &uniname );
 138
 139         // expected error codes
 140
 141         if ( errFSNoMoreItems == err )
 142             return false ;
 143         if ( afpAccessDenied == err )
 144             return false ;
 145
 146         if ( noErr != err )
 147             break ;
 148
 149         name = wxMacHFSUniStrToString( &uniname ) ;
 150         wxString lowername = name.Lower();
 151
 152         if ( ( name == wxT(".") || name == wxT("..") ) && !(m_flags & wxDIR_DOTDOT) )
 153             continue;
 154
 155         if ( ( name[0U] == '.' ) && !(m_flags & wxDIR_HIDDEN ) )
 156             continue ;
 157
 158         if ( (((FileInfo*)&catalogInfo.finderInfo)->finderFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN ) )
 159             continue ;
 160
 161         // its a dir and we don't want it
 162         if ( (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask)  && !(m_flags & wxDIR_DIRS) )
 163             continue ;
 164
 165         // its a file but we don't want it
 166         if ( (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask) == 0  && !(m_flags & wxDIR_FILES ) )
 167             continue ;
 168
 169         if ( m_filespec.empty() || m_filespec == wxT("*.*") || m_filespec == wxT("*") )
 170         {
 171         }
 172         else if ( !wxMatchWild(lowerfilespec, lowername , false) )
 173         {
 174             continue ;
 175         }
 176
 177         break ;
 178     }
 179     if ( err != noErr )
 180     {
 181         return false ;
 182     }
 183
 184     *filename = name ;
 185     return true;
 186 }
 187
 188 // ----------------------------------------------------------------------------
 189 // wxDir helpers
 190 // ----------------------------------------------------------------------------
 191
 192 /* static */
 193 bool wxDir::Exists(const wxString& dir)
 194 {
 195     return wxDirExists(dir);
 196 }
 197
 198 // ----------------------------------------------------------------------------
 199 // wxDir construction/destruction
 200 // ----------------------------------------------------------------------------
 201
 202 wxDir::wxDir(const wxString& dirname)
 203 {
 204     m_data = NULL;
 205
 206     (void)Open(dirname);
 207 }
 208
 209 bool wxDir::Open(const wxString& dirname)
 210 {
 211     delete m_data;
 212     m_data = new wxDirData(dirname);
 213
 214     return true;
 215 }
 216
 217 bool wxDir::IsOpened() const
 218 {
 219     return m_data != NULL;
 220 }
 221
 222 wxString wxDir::GetName() const
 223 {
 224     wxString name;
 225     if ( m_data )
 226     {
 227         name = m_data->GetName();
 228         if ( !name.empty() && (name.Last() == wxT('/')) )
 229         {
 230             // chop off the last (back)slash
 231             name.Truncate(name.length() - 1);
 232         }
 233     }
 234
 235     return name;
 236 }
 237
 238 wxDir::~wxDir()
 239 {
 240     delete m_data;
 241     m_data = NULL;
 242 }
 243
 244 // ----------------------------------------------------------------------------
 245 // wxDir enumerating
 246 // ----------------------------------------------------------------------------
 247
 248 bool wxDir::GetFirst(wxString *filename,
 249                      const wxString& filespec,
 250                      int flags) const
 251 {
 252     wxCHECK_MSG( IsOpened(), false, wxT("must wxDir::Open() first") );
 253
 254     m_data->Rewind();
 255
 256     m_data->SetFileSpec(filespec);
 257     m_data->SetFlags(flags);
 258
 259     return GetNext(filename);
 260 }
 261
 262 bool wxDir::GetNext(wxString *filename) const
 263 {
 264     wxCHECK_MSG( IsOpened(), false, wxT("must wxDir::Open() first") );
 265
 266     wxCHECK_MSG( filename, false, wxT("bad pointer in wxDir::GetNext()") );
 267
 268     return m_data->Read(filename);
 269 }