src/mac/carbon/dir.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 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 #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 #include <windows.h>
  40
  41 #ifdef __WXMAC__
  42
  43 #include "morefile.h"
  44 #include "moreextr.h"
  45 #include "fullpath.h"
  46 #include "fspcompa.h"
  47 #endif
  48
  49 // ----------------------------------------------------------------------------
  50 // constants
  51 // ----------------------------------------------------------------------------
  52
  53 #ifndef MAX_PATH
  54     #define MAX_PATH 260        // from VC++ headers
  55 #endif
  56
  57 // ----------------------------------------------------------------------------
  58 // macros
  59 // ----------------------------------------------------------------------------
  60
  61 #define M_DIR       ((wxDirData *)m_data)
  62
  63 // ----------------------------------------------------------------------------
  64 // private classes
  65 // ----------------------------------------------------------------------------
  66
  67 // this class stores everything we need to enumerate the files
  68 class wxDirData
  69 {
  70 public:
  71     wxDirData(const wxString& dirname);
  72     ~wxDirData();
  73
  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 private:
  81         CInfoPBRec                      m_CPB ;
  82         wxInt16                         m_index ;
  83         long                            m_dirId ;
  84         Str255                          m_name ;
  85         Boolean                         m_isDir ;
  86
  87     wxString m_dirname;
  88     wxString m_filespec;
  89
  90     int      m_flags;
  91 };
  92
  93 // ============================================================================
  94 // implementation
  95 // ============================================================================
  96
  97 // ----------------------------------------------------------------------------
  98 // wxDirData
  99 // ----------------------------------------------------------------------------
 100
 101 wxDirData::wxDirData(const wxString& dirname)
 102          : m_dirname(dirname)
 103 {
 104     // throw away the trailing slashes
 105     size_t n = m_dirname.length();
 106     wxCHECK_RET( n, _T("empty dir name in wxDir") );
 107
 108     while ( n > 0 && wxIsPathSeparator(m_dirname[--n]) )
 109         ;
 110
 111     m_dirname.Truncate(n + 1);
 112
 113         FSSpec fsspec ;
 114
 115         wxUnixFilename2FSSpec( m_dirname , &fsspec ) ;
 116         m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
 117         m_CPB.hFileInfo.ioNamePtr = m_name ;
 118         m_index = 0 ;
 119
 120         FSpGetDirectoryID( &fsspec , &m_dirId , &m_isDir ) ;
 121 }
 122
 123 wxDirData::~wxDirData()
 124 {
 125 }
 126
 127 void wxDirData::Rewind()
 128 {
 129         m_index = 0 ;
 130 }
 131
 132 bool wxDirData::Read(wxString *filename)
 133 {
 134         if ( !m_isDir )
 135                 return FALSE ;
 136
 137     wxString result;
 138
 139         short err = noErr ;
 140
 141         while ( err == noErr )
 142         {
 143                 m_index++ ;
 144                 m_CPB.dirInfo.ioFDirIndex = m_index;
 145                 m_CPB.dirInfo.ioDrDirID = m_dirId;      /* we need to do this every time */
 146                 err = PBGetCatInfoSync((CInfoPBPtr)&m_CPB);
 147                 if ( err != noErr )
 148                         break ;
 149
 150                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (m_flags & wxDIR_DIRS) ) //  we have a directory
 151                         break ;
 152
 153                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(m_flags & wxDIR_FILES ) ) // its a file but we don't want it
 154                         continue ;
 155
 156         if ( ( m_CPB.hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN) ) // its hidden but we don't want it
 157                         continue ;
 158
 159                 break ;
 160         }
 161         if ( err != noErr )
 162         {
 163                 return FALSE ;
 164         }
 165         FSSpec spec ;
 166
 167         FSMakeFSSpecCompat(m_CPB.hFileInfo.ioVRefNum, m_dirId, m_name,&spec) ;
 168
 169         *filename = wxMacFSSpec2UnixFilename( &spec ) ;
 170
 171     return TRUE;
 172 }
 173
 174 // ----------------------------------------------------------------------------
 175 // wxDir helpers
 176 // ----------------------------------------------------------------------------
 177
 178 /* static */
 179 bool wxDir::Exists(const wxString& dir)
 180 {
 181     return wxPathExists(dir);
 182 }
 183
 184 // ----------------------------------------------------------------------------
 185 // wxDir construction/destruction
 186 // ----------------------------------------------------------------------------
 187
 188 wxDir::wxDir(const wxString& dirname)
 189 {
 190     m_data = NULL;
 191
 192     (void)Open(dirname);
 193 }
 194
 195 bool wxDir::Open(const wxString& dirname)
 196 {
 197     delete M_DIR;
 198     m_data = new wxDirData(dirname);
 199
 200     return TRUE;
 201 }
 202
 203 bool wxDir::IsOpened() const
 204 {
 205     return m_data != NULL;
 206 }
 207
 208 wxDir::~wxDir()
 209 {
 210     delete M_DIR;
 211 }
 212
 213 // ----------------------------------------------------------------------------
 214 // wxDir enumerating
 215 // ----------------------------------------------------------------------------
 216
 217 bool wxDir::GetFirst(wxString *filename,
 218                      const wxString& filespec,
 219                      int flags) const
 220 {
 221     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 222
 223     M_DIR->Rewind();
 224
 225     M_DIR->SetFileSpec(filespec);
 226     M_DIR->SetFlags(flags);
 227
 228     return GetNext(filename);
 229 }
 230
 231 bool wxDir::GetNext(wxString *filename) const
 232 {
 233     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 234
 235     wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
 236
 237     return M_DIR->Read(filename);
 238 }