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 __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         OSErr err = FSpGetDirectoryID( &fsspec , &m_dirId , &m_isDir ) ;
 122         wxASSERT_MSG( err == noErr , "Error accessing directory") ;
 123 }
 124
 125 wxDirData::~wxDirData()
 126 {
 127 }
 128
 129 void wxDirData::Rewind()
 130 {
 131         m_index = 0 ;
 132 }
 133
 134 bool wxDirData::Read(wxString *filename)
 135 {
 136     if ( !m_isDir )
 137         return FALSE ;
 138
 139 #if TARGET_CARBON
 140         char c_name[256] ;
 141 #endif
 142     wxString result;
 143
 144         short err = noErr ;
 145
 146         while ( err == noErr )
 147         {
 148                 m_index++ ;
 149                 m_CPB.dirInfo.ioFDirIndex = m_index;
 150                 m_CPB.dirInfo.ioDrDirID = m_dirId;      /* we need to do this every time */
 151                 err = PBGetCatInfoSync((CInfoPBPtr)&m_CPB);
 152                 if ( err != noErr )
 153                         break ;
 154
 155 #if TARGET_CARBON
 156                 p2cstrcpy( c_name, m_name ) ;
 157                 strcpy( (char *)m_name, c_name);
 158 #else
 159                 p2cstr( m_name ) ;
 160 #endif
 161 #if TARGET_CARBON
 162                 // under X thats the way the mounting points look like
 163                 if ( ( m_CPB.dirInfo.ioDrDirID == 0 ) && ( m_flags & wxDIR_DIRS) )
 164                         break ;
 165 #endif
 166                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (m_flags & wxDIR_DIRS) ) //  we have a directory
 167                         break ;
 168
 169                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(m_flags & wxDIR_FILES ) ) // its a file but we don't want it
 170                         continue ;
 171
 172         if ( ( m_CPB.hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN) ) // its hidden but we don't want it
 173                         continue ;
 174
 175                 wxString file( m_name ) ;
 176                 if ( m_filespec.IsEmpty() || m_filespec == "*.*" || m_filespec == "*" )
 177                 {
 178                 }
 179                 else if ( m_filespec.Length() > 1 && m_filespec.Left(1) =="*" )
 180                 {
 181                         if ( file.Right( m_filespec.Length() - 1 ).Upper() != m_filespec.Mid(1).Upper() )
 182                         {
 183                                 continue ;
 184                         }
 185                 }
 186                 else if ( m_filespec.Length() > 1 && m_filespec.Right(1) == "*" )
 187                 {
 188                         if ( file.Left( m_filespec.Length() - 1 ).Upper() != m_filespec.Left( m_filespec.Length() - 1 ).Upper() )
 189                         {
 190                                 continue ;
 191                         }
 192                 }
 193                 else if ( file.Upper() != m_filespec.Upper() )
 194                 {
 195                         continue ;
 196                 }
 197
 198                 break ;
 199         }
 200         if ( err != noErr )
 201         {
 202                 return FALSE ;
 203         }
 204
 205         *filename = (char*) m_name ;
 206
 207     return TRUE;
 208 }
 209
 210 // ----------------------------------------------------------------------------
 211 // wxDir helpers
 212 // ----------------------------------------------------------------------------
 213
 214 /* static */
 215 bool wxDir::Exists(const wxString& dir)
 216 {
 217     return wxPathExists(dir);
 218 }
 219
 220 // ----------------------------------------------------------------------------
 221 // wxDir construction/destruction
 222 // ----------------------------------------------------------------------------
 223
 224 wxDir::wxDir(const wxString& dirname)
 225 {
 226     m_data = NULL;
 227
 228     (void)Open(dirname);
 229 }
 230
 231 bool wxDir::Open(const wxString& dirname)
 232 {
 233     delete M_DIR;
 234     m_data = new wxDirData(dirname);
 235
 236     return TRUE;
 237 }
 238
 239 bool wxDir::IsOpened() const
 240 {
 241     return m_data != NULL;
 242 }
 243
 244 wxString wxDir::GetName() const
 245 {
 246     wxString name;
 247     if ( m_data )
 248     {
 249         name = M_DIR->GetName();
 250         if ( !name.empty() && (name.Last() == _T('/')) )
 251         {
 252             // chop off the last (back)slash
 253             name.Truncate(name.length() - 1);
 254         }
 255     }
 256
 257     return name;
 258 }
 259
 260 wxDir::~wxDir()
 261 {
 262     if (M_DIR != NULL) {
 263         delete M_DIR;
 264         m_data = NULL;
 265     }
 266 }
 267
 268 // ----------------------------------------------------------------------------
 269 // wxDir enumerating
 270 // ----------------------------------------------------------------------------
 271
 272 bool wxDir::GetFirst(wxString *filename,
 273                      const wxString& filespec,
 274                      int flags) const
 275 {
 276     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 277
 278     M_DIR->Rewind();
 279
 280     M_DIR->SetFileSpec(filespec);
 281     M_DIR->SetFlags(flags);
 282
 283     return GetNext(filename);
 284 }
 285
 286 bool wxDir::GetNext(wxString *filename) const
 287 {
 288     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 289
 290     wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
 291
 292     return M_DIR->Read(filename);
 293 }