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 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 __DARWIN__
  40   #include <windows.h>
  41 #endif
  42
  43 #include "wx/mac/private.h"
  44
  45 #include "MoreFiles.h"
  46 #include "MoreFilesExtras.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 SetFileSpec(const wxString& filespec) { m_filespec = filespec; }
  74     void SetFlags(int flags) { m_flags = flags; }
  75
  76     bool Read(wxString *filename); // reads the next
  77     void Rewind() ;
  78
  79     const wxString& GetName() const { return m_dirname; }
  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         wxMacFilename2FSSpec( m_dirname , &fsspec ) ;
 117         m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
 118         m_CPB.hFileInfo.ioNamePtr = m_name ;
 119         m_index = 0 ;
 120
 121         FSpGetDirectoryID( &fsspec , &m_dirId , &m_isDir ) ;
 122 }
 123
 124 wxDirData::~wxDirData()
 125 {
 126 }
 127
 128 void wxDirData::Rewind()
 129 {
 130         m_index = 0 ;
 131 }
 132
 133 bool wxDirData::Read(wxString *filename)
 134 {
 135     if ( !m_isDir )
 136         return FALSE ;
 137
 138 #if TARGET_CARBON
 139         char c_name[256] ;
 140 #endif
 141     wxString result;
 142
 143         short err = noErr ;
 144
 145         while ( err == noErr )
 146         {
 147                 m_index++ ;
 148                 m_CPB.dirInfo.ioFDirIndex = m_index;
 149                 m_CPB.dirInfo.ioDrDirID = m_dirId;      /* we need to do this every time */
 150                 err = PBGetCatInfoSync((CInfoPBPtr)&m_CPB);
 151                 if ( err != noErr )
 152                         break ;
 153
 154 #if TARGET_CARBON
 155                 p2cstrcpy( c_name, m_name ) ;
 156                 strcpy( (char *)m_name, c_name);
 157 #else
 158                 p2cstr( m_name ) ;
 159 #endif
 160                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (m_flags & wxDIR_DIRS) ) //  we have a directory
 161                         break ;
 162
 163                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(m_flags & wxDIR_FILES ) ) // its a file but we don't want it
 164                         continue ;
 165
 166         if ( ( m_CPB.hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN) ) // its hidden but we don't want it
 167                         continue ;
 168
 169                 wxString file( m_name ) ;
 170                 if ( m_filespec.IsEmpty() || m_filespec == "*.*" || m_filespec == "*" )
 171                 {
 172                 }
 173                 else if ( m_filespec.Length() > 1 && m_filespec.Left(1) =="*" )
 174                 {
 175                         if ( file.Right( m_filespec.Length() - 1 ).Upper() != m_filespec.Mid(1).Upper() )
 176                         {
 177                                 continue ;
 178                         }
 179                 }
 180                 else if ( m_filespec.Length() > 1 && m_filespec.Right(1) == "*" )
 181                 {
 182                         if ( file.Left( m_filespec.Length() - 1 ).Upper() != m_filespec.Left( m_filespec.Length() - 1 ).Upper() )
 183                         {
 184                                 continue ;
 185                         }
 186                 }
 187                 else if ( file.Upper() != m_filespec.Upper() )
 188                 {
 189                         continue ;
 190                 }
 191
 192                 break ;
 193         }
 194         if ( err != noErr )
 195         {
 196                 return FALSE ;
 197         }
 198
 199         *filename = (char*) m_name ;
 200
 201     return TRUE;
 202 }
 203
 204 // ----------------------------------------------------------------------------
 205 // wxDir helpers
 206 // ----------------------------------------------------------------------------
 207
 208 /* static */
 209 bool wxDir::Exists(const wxString& dir)
 210 {
 211     return wxPathExists(dir);
 212 }
 213
 214 // ----------------------------------------------------------------------------
 215 // wxDir construction/destruction
 216 // ----------------------------------------------------------------------------
 217
 218 wxDir::wxDir(const wxString& dirname)
 219 {
 220     m_data = NULL;
 221
 222     (void)Open(dirname);
 223 }
 224
 225 bool wxDir::Open(const wxString& dirname)
 226 {
 227     delete M_DIR;
 228     m_data = new wxDirData(dirname);
 229
 230     return TRUE;
 231 }
 232
 233 bool wxDir::IsOpened() const
 234 {
 235     return m_data != NULL;
 236 }
 237
 238 wxString wxDir::GetName() const
 239 {
 240     wxString name;
 241     if ( m_data )
 242     {
 243         name = M_DIR->GetName();
 244         if ( !name.empty() && (name.Last() == _T('/')) )
 245         {
 246             // chop off the last (back)slash
 247             name.Truncate(name.length() - 1);
 248         }
 249     }
 250
 251     return name;
 252 }
 253
 254 wxDir::~wxDir()
 255 {
 256     delete M_DIR;
 257 }
 258
 259 // ----------------------------------------------------------------------------
 260 // wxDir enumerating
 261 // ----------------------------------------------------------------------------
 262
 263 bool wxDir::GetFirst(wxString *filename,
 264                      const wxString& filespec,
 265                      int flags) const
 266 {
 267     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 268
 269     M_DIR->Rewind();
 270
 271     M_DIR->SetFileSpec(filespec);
 272     M_DIR->SetFlags(flags);
 273
 274     return GetNext(filename);
 275 }
 276
 277 bool wxDir::GetNext(wxString *filename) const
 278 {
 279     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 280
 281     wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
 282
 283     return M_DIR->Read(filename);
 284 }