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 "MoreFiles.h"
  44 #include "MoreFilesExtras.h"
  45
  46 // ----------------------------------------------------------------------------
  47 // constants
  48 // ----------------------------------------------------------------------------
  49
  50 #ifndef MAX_PATH
  51     #define MAX_PATH 260        // from VC++ headers
  52 #endif
  53
  54 // ----------------------------------------------------------------------------
  55 // macros
  56 // ----------------------------------------------------------------------------
  57
  58 #define M_DIR       ((wxDirData *)m_data)
  59
  60 // ----------------------------------------------------------------------------
  61 // private classes
  62 // ----------------------------------------------------------------------------
  63
  64 // this class stores everything we need to enumerate the files
  65 class wxDirData
  66 {
  67 public:
  68     wxDirData(const wxString& dirname);
  69     ~wxDirData();
  70
  71     void SetFileSpec(const wxString& filespec) { m_filespec = filespec; }
  72     void SetFlags(int flags) { m_flags = flags; }
  73
  74     bool Read(wxString *filename); // reads the next
  75     void Rewind() ;
  76
  77     const wxString& GetName() const { return m_dirname; }
  78
  79 private:
  80         CInfoPBRec                      m_CPB ;
  81         wxInt16                         m_index ;
  82         long                            m_dirId ;
  83         Str255                          m_name ;
  84         Boolean                         m_isDir ;
  85
  86     wxString m_dirname;
  87     wxString m_filespec;
  88
  89     int      m_flags;
  90 };
  91
  92 // ============================================================================
  93 // implementation
  94 // ============================================================================
  95
  96 // ----------------------------------------------------------------------------
  97 // wxDirData
  98 // ----------------------------------------------------------------------------
  99
 100 wxDirData::wxDirData(const wxString& dirname)
 101          : m_dirname(dirname)
 102 {
 103     // throw away the trailing slashes
 104     size_t n = m_dirname.length();
 105     wxCHECK_RET( n, _T("empty dir name in wxDir") );
 106
 107     while ( n > 0 && wxIsPathSeparator(m_dirname[--n]) )
 108         ;
 109
 110     m_dirname.Truncate(n + 1);
 111
 112         FSSpec fsspec ;
 113
 114         wxMacFilename2FSSpec( m_dirname , &fsspec ) ;
 115         m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
 116         m_CPB.hFileInfo.ioNamePtr = m_name ;
 117         m_index = 0 ;
 118
 119         FSpGetDirectoryID( &fsspec , &m_dirId , &m_isDir ) ;
 120 }
 121
 122 wxDirData::~wxDirData()
 123 {
 124 }
 125
 126 void wxDirData::Rewind()
 127 {
 128         m_index = 0 ;
 129 }
 130
 131 bool wxDirData::Read(wxString *filename)
 132 {
 133     if ( !m_isDir )
 134         return FALSE ;
 135
 136 #if TARGET_CARBON
 137         char c_name[256] ;
 138 #endif
 139     wxString result;
 140
 141         short err = noErr ;
 142
 143         while ( err == noErr )
 144         {
 145                 m_index++ ;
 146                 m_CPB.dirInfo.ioFDirIndex = m_index;
 147                 m_CPB.dirInfo.ioDrDirID = m_dirId;      /* we need to do this every time */
 148                 err = PBGetCatInfoSync((CInfoPBPtr)&m_CPB);
 149                 if ( err != noErr )
 150                         break ;
 151
 152 #if TARGET_CARBON
 153                 p2cstrcpy( c_name, m_name ) ;
 154                 strcpy( (char *)m_name, c_name);
 155 #else
 156                 p2cstr( m_name ) ;
 157 #endif
 158                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (m_flags & wxDIR_DIRS) ) //  we have a directory
 159                         break ;
 160
 161                 if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(m_flags & wxDIR_FILES ) ) // its a file but we don't want it
 162                         continue ;
 163
 164         if ( ( m_CPB.hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN) ) // its hidden but we don't want it
 165                         continue ;
 166
 167                 wxString file( m_name ) ;
 168                 if ( m_filespec.IsEmpty() || m_filespec == "*.*" || m_filespec == "*" )
 169                 {
 170                 }
 171                 else if ( m_filespec.Length() > 1 && m_filespec.Left(1) =="*" )
 172                 {
 173                         if ( file.Right( m_filespec.Length() - 1 ).Upper() != m_filespec.Mid(1).Upper() )
 174                         {
 175                                 continue ;
 176                         }
 177                 }
 178                 else if ( m_filespec.Length() > 1 && m_filespec.Right(1) == "*" )
 179                 {
 180                         if ( file.Left( m_filespec.Length() - 1 ).Upper() != m_filespec.Left( m_filespec.Length() - 1 ).Upper() )
 181                         {
 182                                 continue ;
 183                         }
 184                 }
 185                 else if ( file.Upper() != m_filespec.Upper() )
 186                 {
 187                         continue ;
 188                 }
 189
 190                 break ;
 191         }
 192         if ( err != noErr )
 193         {
 194                 return FALSE ;
 195         }
 196
 197         *filename = (char*) m_name ;
 198
 199     return TRUE;
 200 }
 201
 202 // ----------------------------------------------------------------------------
 203 // wxDir helpers
 204 // ----------------------------------------------------------------------------
 205
 206 /* static */
 207 bool wxDir::Exists(const wxString& dir)
 208 {
 209     return wxPathExists(dir);
 210 }
 211
 212 // ----------------------------------------------------------------------------
 213 // wxDir construction/destruction
 214 // ----------------------------------------------------------------------------
 215
 216 wxDir::wxDir(const wxString& dirname)
 217 {
 218     m_data = NULL;
 219
 220     (void)Open(dirname);
 221 }
 222
 223 bool wxDir::Open(const wxString& dirname)
 224 {
 225     delete M_DIR;
 226     m_data = new wxDirData(dirname);
 227
 228     return TRUE;
 229 }
 230
 231 bool wxDir::IsOpened() const
 232 {
 233     return m_data != NULL;
 234 }
 235
 236 wxString wxDir::GetName() const
 237 {
 238     wxString name;
 239     if ( m_data )
 240     {
 241         name = M_DIR->GetName();
 242         if ( !name.empty() && (name.Last() == _T('/')) )
 243         {
 244             // chop off the last (back)slash
 245             name.Truncate(name.length() - 1);
 246         }
 247     }
 248
 249     return name;
 250 }
 251
 252 wxDir::~wxDir()
 253 {
 254     delete M_DIR;
 255 }
 256
 257 // ----------------------------------------------------------------------------
 258 // wxDir enumerating
 259 // ----------------------------------------------------------------------------
 260
 261 bool wxDir::GetFirst(wxString *filename,
 262                      const wxString& filespec,
 263                      int flags) const
 264 {
 265     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 266
 267     M_DIR->Rewind();
 268
 269     M_DIR->SetFileSpec(filespec);
 270     M_DIR->SetFlags(flags);
 271
 272     return GetNext(filename);
 273 }
 274
 275 bool wxDir::GetNext(wxString *filename) const
 276 {
 277     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 278
 279     wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
 280
 281     return M_DIR->Read(filename);
 282 }