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 #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) , "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 #if TARGET_CARBON
 157     char c_name[256] ;
 158 #endif
 159     wxString result;
 160
 161     short err = noErr ;
 162
 163     while ( err == noErr )
 164     {
 165         m_index++ ;
 166         m_CPB.dirInfo.ioFDirIndex = m_index;
 167         m_CPB.dirInfo.ioDrDirID = m_dirId;    /* we need to do this every time */
 168         err = PBGetCatInfoSync((CInfoPBPtr)&m_CPB);
 169         if ( err != noErr )
 170             break ;
 171
 172 #if TARGET_CARBON
 173         p2cstrcpy( c_name, m_name ) ;
 174         strcpy( (char *)m_name, c_name);
 175 #else
 176         p2cstr( m_name ) ;
 177 #endif
 178         // its hidden but we don't want it
 179         if ( ( m_CPB.hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN) )
 180             continue ;
 181 #ifdef __DARWIN__
 182         // under X, names that start with '.' are hidden
 183         if ( ( m_name[0] == '.' ) && !(m_flags & wxDIR_HIDDEN) )
 184             continue;
 185 #endif
 186 #if TARGET_CARBON
 187         // under X thats the way the mounting points look like
 188         if ( ( m_CPB.dirInfo.ioDrDirID == 0 ) && ( m_flags & wxDIR_DIRS) )
 189             break ;
 190 #endif
 191         //  we have a directory
 192         if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (m_flags & wxDIR_DIRS) )
 193             break ;
 194
 195         // its a file but we don't want it
 196         if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(m_flags & wxDIR_FILES ) )
 197             continue ;
 198
 199         wxString file( m_name ) ;
 200         if ( m_filespec.IsEmpty() || m_filespec == "*.*" || m_filespec == "*" )
 201         {
 202         }
 203         else if ( m_filespec.Length() > 1 && m_filespec.Left(1) =="*" )
 204         {
 205             if ( file.Right( m_filespec.Length() - 1 ).Upper() != m_filespec.Mid(1).Upper() )
 206             {
 207                 continue ;
 208             }
 209         }
 210         else if ( m_filespec.Length() > 1 && m_filespec.Right(1) == "*" )
 211         {
 212             if ( file.Left( m_filespec.Length() - 1 ).Upper() != m_filespec.Left( m_filespec.Length() - 1 ).Upper() )
 213             {
 214                 continue ;
 215             }
 216         }
 217         else if ( file.Upper() != m_filespec.Upper() )
 218         {
 219             continue ;
 220         }
 221
 222         break ;
 223     }
 224     if ( err != noErr )
 225     {
 226         return FALSE ;
 227     }
 228
 229     *filename = (char*) m_name ;
 230
 231     return TRUE;
 232 }
 233
 234 // ----------------------------------------------------------------------------
 235 // wxDir helpers
 236 // ----------------------------------------------------------------------------
 237
 238 /* static */
 239 bool wxDir::Exists(const wxString& dir)
 240 {
 241     return wxPathExists(dir);
 242 }
 243
 244 // ----------------------------------------------------------------------------
 245 // wxDir construction/destruction
 246 // ----------------------------------------------------------------------------
 247
 248 wxDir::wxDir(const wxString& dirname)
 249 {
 250     m_data = NULL;
 251
 252     (void)Open(dirname);
 253 }
 254
 255 bool wxDir::Open(const wxString& dirname)
 256 {
 257     delete M_DIR;
 258     m_data = new wxDirData(dirname);
 259
 260     return TRUE;
 261 }
 262
 263 bool wxDir::IsOpened() const
 264 {
 265     return m_data != NULL;
 266 }
 267
 268 wxString wxDir::GetName() const
 269 {
 270     wxString name;
 271     if ( m_data )
 272     {
 273     name = M_DIR->GetName();
 274     if ( !name.empty() && (name.Last() == _T('/')) )
 275     {
 276         // chop off the last (back)slash
 277         name.Truncate(name.length() - 1);
 278     }
 279     }
 280
 281     return name;
 282 }
 283
 284 wxDir::~wxDir()
 285 {
 286     if (M_DIR != NULL) {
 287         delete M_DIR;
 288         m_data = NULL;
 289     }
 290 }
 291
 292 // ----------------------------------------------------------------------------
 293 // wxDir enumerating
 294 // ----------------------------------------------------------------------------
 295
 296 bool wxDir::GetFirst(wxString *filename,
 297                      const wxString& filespec,
 298                      int flags) const
 299 {
 300     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 301
 302     M_DIR->Rewind();
 303
 304     M_DIR->SetFileSpec(filespec);
 305     M_DIR->SetFlags(flags);
 306
 307     return GetNext(filename);
 308 }
 309
 310 bool wxDir::GetNext(wxString *filename) const
 311 {
 312     wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
 313
 314     wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
 315
 316     return M_DIR->Read(filename);
 317 }