src/mac/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 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 #ifndef __WXMAC_X__
  40   #include <windows.h>
  41 #endif
  42
  43 #if defined(__WXMAC__) && !defined(__UNIX__)
  44   #include "morefile.h"
  45   #include "moreextr.h"
  46   #include "fullpath.h"
  47   #include "fspcompa.h"
  48 #endif
  49
  50 // ----------------------------------------------------------------------------
  51 // constants
  52 // ----------------------------------------------------------------------------
  53
  54 #ifndef MAX_PATH
  55     #define MAX_PATH 260        // from VC++ headers
  56 #endif
  57
  58 // ----------------------------------------------------------------------------
  59 // macros
  60 // ----------------------------------------------------------------------------
  61
  62 #define M_DIR       ((wxDirData *)m_data)
  63
  64 // ----------------------------------------------------------------------------
  65 // private classes
  66 // ----------------------------------------------------------------------------
  67
  68 // this class stores everything we need to enumerate the files
  69 class wxDirData
  70 {
  71 public:
  72     wxDirData(const wxString& dirname);
  73     ~wxDirData();
  74
  75     void SetFileSpec(const wxString& filespec) { m_filespec = filespec; }
  76     void SetFlags(int flags) { m_flags = flags; }
  77
  78     bool Read(wxString *filename); // reads the next
  79     void Rewind() ;
  80
  81 private:
  82         CInfoPBRec                      m_CPB ;
  83         wxInt16                         m_index ;
  84         long                            m_dirId ;
  85         Str255                          m_name ;
  86         Boolean                         m_isDir ;
  87
  88     wxString m_dirname;
  89     wxString m_filespec;
  90
  91     int      m_flags;
  92 };
  93
  94 // ============================================================================
  95 // implementation
  96 // ============================================================================
  97
  98 // ----------------------------------------------------------------------------
  99 // wxDirData
 100 // ----------------------------------------------------------------------------
 101
 102 wxDirData::wxDirData(const wxString& dirname)
 103          : m_dirname(dirname)
 104 {
 105     // throw away the trailing slashes
 106     size_t n = m_dirname.length();
 107     wxCHECK_RET( n, _T("empty dir name in wxDir") );
 108
 109     while ( n > 0 && wxIsPathSeparator(m_dirname[--n]) )
 110         ;
 111
 112     m_dirname.Truncate(n + 1);
 113
 114         FSSpec fsspec ;
 115
 116         wxUnixFilename2FSSpec( m_dirname , &fsspec ) ;
 117         m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
 118         m_CPB.hFileInfo.ioNamePtr = m_name ;
 119         m_index = 0 ;
 120
 121 #ifdef __WXMAC_X__
 122         // TODO: what are we supposed to do for Mac OS X
 123 #else
 124         FSpGetDirectoryID( &fsspec , &m_dirId , &m_isDir ) ;
 125 #endif
 126 }
 127
 128 wxDirData::~wxDirData()
 129 {
 130 }
 131
 132 void wxDirData::Rewind()
 133 {
 134         m_index = 0 ;
 135 }
 136
 137 bool wxDirData::Read(wxString *filename)
 138 {
 139     if ( !m_isDir )
 140         return FALSE ;
 141
 142 #if TARGET_CARBON
 143         char c_name[256] ;
 144 #endif
 145     wxString result;
 146
 147         short err = noErr ;
 148
 149         while ( err == noErr )
 150         {
 151                 m_index++ ;
 152                 m_CPB.dirInfo.ioFDirIndex = m_index;
 153                 m_CPB.dirInfo.ioDrDirID = m_dirId;      /* we need to do this every time */
 154                 err = PBGetCatInfoSync((CInfoPBPtr)&m_CPB);
 155                 if ( err != noErr )
 156                         break ;
 157
 158 #if TARGET_CARBON
 159                 p2cstrcpy( c_name, m_name ) ;
 160                 strcpy( (char *)m_name, c_name);
 161 #else
 162                 p2cstr( m_name ) ;
 163 #endif
 164                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (m_flags & wxDIR_DIRS) ) //  we have a directory
 165                         break ;
 166
 167                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(m_flags & wxDIR_FILES ) ) // its a file but we don't want it
 168                         continue ;
 169
 170         if ( ( m_CPB.hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN) ) // its hidden but we don't want it
 171                         continue ;
 172
 173                 wxString file( m_name ) ;
 174                 if ( m_filespec.IsEmpty() || m_filespec == "*.*" )
 175                 {
 176                 }
 177                 else if ( m_filespec.Length() > 1 && m_filespec.Left(1) =="*" )
 178                 {
 179                         if ( file.Right( m_filespec.Length() - 1 ).Upper() != m_filespec.Mid(1).Upper() )
 180                         {
 181                                 continue ;
 182                         }
 183                 }
 184                 else if ( m_filespec.Length() > 1 && m_filespec.Right(1) == "*" )
 185                 {
 186                         if ( file.Left( m_filespec.Length() - 1 ).Upper() != m_filespec.Left( m_filespec.Length() - 1 ).Upper() )
 187                         {
 188                                 continue ;
 189                         }
 190                 }
 191                 else if ( file.Upper() != m_filespec.Upper() )
 192                 {
 193                         continue ;
 194                 }
 195
 196                 break ;
 197         }
 198         if ( err != noErr )
 199         {
 200                 return FALSE ;
 201         }
 202
 203         *filename = (char*) m_name ;
 204
 205     return TRUE;
 206 }
 207
 208 // ----------------------------------------------------------------------------
 209 // wxDir helpers
 210 // ----------------------------------------------------------------------------
 211
 212 /* static */
 213 bool wxDir::Exists(const wxString& dir)
 214 {
 215     return wxPathExists(dir);
 216 }
 217
 218 // ----------------------------------------------------------------------------
 219 // wxDir construction/destruction
 220 // ----------------------------------------------------------------------------
 221
 222 wxDir::wxDir(const wxString& dirname)
 223 {
 224     m_data = NULL;
 225
 226     (void)Open(dirname);
 227 }
 228
 229 bool wxDir::Open(const wxString& dirname)
 230 {
 231     delete M_DIR;
 232     m_data = new wxDirData(dirname);
 233
 234     return TRUE;
 235 }
 236
 237 bool wxDir::IsOpened() const
 238 {
 239     return m_data != NULL;
 240 }
 241
 242 wxDir::~wxDir()
 243 {
 244     delete M_DIR;
 245 }
 246
 247 // ----------------------------------------------------------------------------
 248 // wxDir enumerating
 249 // ----------------------------------------------------------------------------
 250
 251 bool wxDir::GetFirst(wxString *filename,
 252                      const wxString& filespec,
 253                      int flags) const
 254 {
 255     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 256
 257     M_DIR->Rewind();
 258
 259     M_DIR->SetFileSpec(filespec);
 260     M_DIR->SetFlags(flags);
 261
 262     return GetNext(filename);
 263 }
 264
 265 bool wxDir::GetNext(wxString *filename) const
 266 {
 267     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 268
 269     wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
 270
 271     return M_DIR->Read(filename);
 272 }