src/unix/stdpaths.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        unix/stdpaths.cpp
   3 // Purpose:     wxStandardPaths implementation for Unix & OpenVMS systems
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     2004-10-19
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
   9 // License:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_STDPATHS
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31 #endif //WX_PRECOMP
  32
  33 #include "wx/filename.h"
  34
  35 #include "wx/stdpaths.h"
  36
  37 #if defined( __LINUX__ ) || defined( __VMS )
  38     #include <unistd.h>
  39 #endif
  40
  41 // ============================================================================
  42 // wxStandardPaths implementation
  43 // ============================================================================
  44
  45 // ----------------------------------------------------------------------------
  46 // prefix management
  47 // ----------------------------------------------------------------------------
  48
  49 void wxStandardPaths::SetInstallPrefix(const wxString& prefix)
  50 {
  51     m_prefix = prefix;
  52 }
  53
  54 wxString wxStandardPaths::GetInstallPrefix() const
  55 {
  56     if ( m_prefix.empty() )
  57     {
  58         wxStandardPaths *pathPtr = wx_const_cast(wxStandardPaths *, this);
  59
  60 #ifdef __LINUX__
  61         // under Linux, we can try to infer the prefix from the location of the
  62         // executable
  63         char buf[4096];
  64         int result = readlink("/proc/self/exe", buf, WXSIZEOF(buf) - sizeof(char));
  65         if ( result != -1 )
  66         {
  67             buf[result] = '\0'; // readlink() doesn't NUL-terminate the buffer
  68
  69             const wxString exeStr(buf, wxConvLibc);
  70
  71             // consider that we're in the last "bin" subdirectory of our prefix
  72             size_t pos = exeStr.rfind(wxT("/bin/"));
  73             if ( pos != wxString::npos )
  74                 pathPtr->m_prefix.assign(exeStr, 0, pos);
  75         }
  76 #endif // __LINUX__
  77
  78         if ( m_prefix.empty() )
  79         {
  80 #ifdef __VMS
  81             pathPtr->m_prefix = wxT("/sys$system");
  82 #else
  83             pathPtr->m_prefix = wxT("/usr/local");
  84 #endif
  85         }
  86     }
  87
  88     return m_prefix;
  89 }
  90
  91 // ----------------------------------------------------------------------------
  92 // public functions
  93 // ----------------------------------------------------------------------------
  94
  95 wxString wxStandardPaths::GetConfigDir() const
  96 {
  97 #ifdef __VMS
  98    return _T("/sys$manager");
  99 #else
 100    return _T("/etc");
 101 #endif
 102 }
 103
 104 wxString wxStandardPaths::GetUserConfigDir() const
 105 {
 106     return wxFileName::GetHomeDir();
 107 }
 108
 109 wxString wxStandardPaths::GetDataDir() const
 110 {
 111 #ifdef __VMS
 112    return AppendAppName(GetInstallPrefix() + _T("/sys$share"));
 113 #else
 114    return AppendAppName(GetInstallPrefix() + _T("/share"));
 115 #endif
 116 }
 117
 118 wxString wxStandardPaths::GetLocalDataDir() const
 119 {
 120 #ifdef __VMS
 121    return AppendAppName(_T("/sys$manager"));
 122 #else
 123    return AppendAppName(_T("/etc"));
 124 #endif
 125 }
 126
 127 wxString wxStandardPaths::GetUserDataDir() const
 128 {
 129 #ifdef __VMS
 130    return wxFileName::GetHomeDir();
 131 #else
 132    return AppendAppName(wxFileName::GetHomeDir() + _T("/."));
 133 #endif
 134 }
 135
 136 wxString wxStandardPaths::GetPluginsDir() const
 137 {
 138     return wxString();
 139 }
 140
 141 #endif // wxUSE_STDPATHS