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 licence
  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 #ifdef __DARWIN__
  46 #  include "MoreFilesX.h"
  47 #else
  48 #  include "MoreFiles.h"
  49 #  include "MoreFilesExtras.h"
  50 #endif
  51
  52 // ----------------------------------------------------------------------------
  53 // constants
  54 // ----------------------------------------------------------------------------
  55
  56 #ifndef MAX_PATH
  57     #define MAX_PATH 260        // from VC++ headers
  58 #endif
  59
  60 // ----------------------------------------------------------------------------
  61 // macros
  62 // ----------------------------------------------------------------------------
  63
  64 #define M_DIR       ((wxDirData *)m_data)
  65
  66 // ----------------------------------------------------------------------------
  67 // private classes
  68 // ----------------------------------------------------------------------------
  69
  70 // this class stores everything we need to enumerate the files
  71 class wxDirData
  72 {
  73 public:
  74     wxDirData(const wxString& dirname);
  75     ~wxDirData();
  76
  77     void SetFileSpec(const wxString& filespec) { m_filespec = filespec; }
  78     void SetFlags(int flags) { m_flags = flags; }
  79
  80     bool Read(wxString *filename); // reads the next
  81     void Rewind() ;
  82
  83     const wxString& GetName() const { return m_dirname; }
  84
  85 private:
  86     CInfoPBRec            m_CPB ;
  87     wxInt16                m_index ;
  88     long                m_dirId ;
  89     Str255                m_name ;
  90     Boolean                m_isDir ;
  91
  92     wxString m_dirname;
  93     wxString m_filespec;
  94
  95     int      m_flags;
  96 };
  97
  98 // ============================================================================
  99 // implementation
 100 // ============================================================================
 101
 102 // ----------------------------------------------------------------------------
 103 // wxDirData
 104 // ----------------------------------------------------------------------------
 105
 106 wxDirData::wxDirData(const wxString& dirname)
 107          : m_dirname(dirname)
 108 {
 109     OSErr err;
 110
 111     // throw away the trailing slashes
 112     size_t n = m_dirname.length();
 113     wxCHECK_RET( n, _T("empty dir name in wxDir") );
 114
 115     while ( n > 0 && wxIsPathSeparator(m_dirname[--n]) )
 116         ;
 117
 118     m_dirname.Truncate(n + 1);
 119
 120 #ifdef __DARWIN__
 121     FSRef theRef;
 122
 123     // get the FSRef associated with the POSIX path
 124     err = FSPathMakeRef((const UInt8 *) m_dirname.c_str(), &theRef, NULL);
 125     FSGetVRefNum(&theRef, &(m_CPB.hFileInfo.ioVRefNum));
 126
 127     err = FSGetNodeID( &theRef , &m_dirId , &m_isDir ) ;
 128 #else
 129     FSSpec fsspec ;
 130
 131     wxMacFilename2FSSpec( m_dirname , &fsspec ) ;
 132     m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
 133
 134     err = FSpGetDirectoryID( &fsspec , &m_dirId , &m_isDir ) ;
 135 #endif
 136     wxASSERT_MSG( (err == noErr) || (err == nsvErr) , wxT("Error accessing directory " + m_dirname)) ;
 137
 138     m_CPB.hFileInfo.ioNamePtr = m_name ;
 139     m_index = 0 ;
 140 }
 141
 142 wxDirData::~wxDirData()
 143 {
 144 }
 145
 146 void wxDirData::Rewind()
 147 {
 148     m_index = 0 ;
 149 }
 150
 151 bool wxDirData::Read(wxString *filename)
 152 {
 153     if ( !m_isDir )
 154         return FALSE ;
 155
 156     wxString result;
 157
 158     short err = noErr ;
 159
 160     while ( err == noErr )
 161     {
 162         m_index++ ;
 163         m_CPB.dirInfo.ioFDirIndex = m_index;
 164         m_CPB.dirInfo.ioDrDirID = m_dirId;    /* we need to do this every time */
 165         err = PBGetCatInfoSync((CInfoPBPtr)&m_CPB);
 166         if ( err != noErr )
 167             break ;
 168
 169         // its hidden but we don't want it
 170         if ( ( m_CPB.hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN) )
 171             continue ;
 172 #ifdef __DARWIN__
 173         // under X, names that start with '.' are hidden
 174         if ( ( m_name[1] == '.' ) && !(m_flags & wxDIR_HIDDEN) )
 175             continue;
 176 #endif
 177 #if TARGET_CARBON
 178         // under X thats the way the mounting points look like
 179         if ( ( m_CPB.dirInfo.ioDrDirID == 0 ) && ( m_flags & wxDIR_DIRS) )
 180             break ;
 181 #endif
 182         //  we have a directory
 183         if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (m_flags & wxDIR_DIRS) )
 184             break ;
 185
 186         // its a file but we don't want it
 187         if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(m_flags & wxDIR_FILES ) )
 188             continue ;
 189
 190         wxString file = wxMacMakeStringFromPascal( m_name ) ;
 191         if ( m_filespec.IsEmpty() || m_filespec == wxT("*.*") || m_filespec == wxT("*") )
 192         {
 193         }
 194         else if ( m_filespec.Length() > 1 && m_filespec.Left(1) == wxT("*") )
 195         {
 196             if ( file.Right( m_filespec.Length() - 1 ).Upper() != m_filespec.Mid(1).Upper() )
 197             {
 198                 continue ;
 199             }
 200         }
 201         else if ( m_filespec.Length() > 1 && m_filespec.Right(1) == wxT("*") )
 202         {
 203             if ( file.Left( m_filespec.Length() - 1 ).Upper() != m_filespec.Left( m_filespec.Length() - 1 ).Upper() )
 204             {
 205                 continue ;
 206             }
 207         }
 208         else if ( file.Upper() != m_filespec.Upper() )
 209         {
 210             continue ;
 211         }
 212
 213         break ;
 214     }
 215     if ( err != noErr )
 216     {
 217         return FALSE ;
 218     }
 219
 220     *filename = wxMacMakeStringFromPascal( m_name )  ;
 221
 222     return TRUE;
 223 }
 224
 225 // ----------------------------------------------------------------------------
 226 // wxDir helpers
 227 // ----------------------------------------------------------------------------
 228
 229 /* static */
 230 bool wxDir::Exists(const wxString& dir)
 231 {
 232     return wxPathExists(dir);
 233 }
 234
 235 // ----------------------------------------------------------------------------
 236 // wxDir construction/destruction
 237 // ----------------------------------------------------------------------------
 238
 239 wxDir::wxDir(const wxString& dirname)
 240 {
 241     m_data = NULL;
 242
 243     (void)Open(dirname);
 244 }
 245
 246 bool wxDir::Open(const wxString& dirname)
 247 {
 248     delete M_DIR;
 249     m_data = new wxDirData(dirname);
 250
 251     return TRUE;
 252 }
 253
 254 bool wxDir::IsOpened() const
 255 {
 256     return m_data != NULL;
 257 }
 258
 259 wxString wxDir::GetName() const
 260 {
 261     wxString name;
 262     if ( m_data )
 263     {
 264     name = M_DIR->GetName();
 265     if ( !name.empty() && (name.Last() == _T('/')) )
 266     {
 267         // chop off the last (back)slash
 268         name.Truncate(name.length() - 1);
 269     }
 270     }
 271
 272     return name;
 273 }
 274
 275 wxDir::~wxDir()
 276 {
 277     if (M_DIR != NULL) {
 278         delete M_DIR;
 279         m_data = NULL;
 280     }
 281 }
 282
 283 // ----------------------------------------------------------------------------
 284 // wxDir enumerating
 285 // ----------------------------------------------------------------------------
 286
 287 bool wxDir::GetFirst(wxString *filename,
 288                      const wxString& filespec,
 289                      int flags) const
 290 {
 291     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 292
 293     M_DIR->Rewind();
 294
 295     M_DIR->SetFileSpec(filespec);
 296     M_DIR->SetFlags(flags);
 297
 298     return GetNext(filename);
 299 }
 300
 301 bool wxDir::GetNext(wxString *filename) const
 302 {
 303     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 304
 305     wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
 306
 307     return M_DIR->Read(filename);
 308 }