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             wxString exeStr(buf, wxConvLibc);
  70
  71             // consider that we're in the last "bin" subdirectory of our prefix
  72             wxString basename(wxString(wxTheApp->argv[0]).AfterLast(_T('/')));
  73             size_t pos = exeStr.find(wxT("/bin/") + basename);
  74             if ( pos != wxString::npos )
  75                 pathPtr->m_prefix.assign(exeStr, 0, pos);
  76         }
  77 #endif // __LINUX__
  78
  79         if ( m_prefix.empty() )
  80         {
  81 #ifdef __VMS
  82             pathPtr->m_prefix = wxT("/sys$system");
  83 #else
  84             pathPtr->m_prefix = wxT("/usr/local");
  85 #endif
  86         }
  87     }
  88
  89     return m_prefix;
  90 }
  91
  92 // ----------------------------------------------------------------------------
  93 // public functions
  94 // ----------------------------------------------------------------------------
  95
  96 wxString wxStandardPaths::GetConfigDir() const
  97 {
  98 #ifdef __VMS
  99    return _T("/sys$manager");
 100 #else
 101    return _T("/etc");
 102 #endif
 103 }
 104
 105 wxString wxStandardPaths::GetUserConfigDir() const
 106 {
 107     return wxFileName::GetHomeDir();
 108 }
 109
 110 wxString wxStandardPaths::GetDataDir() const
 111 {
 112 #ifdef __VMS
 113    return AppendAppName(GetInstallPrefix() + _T("/sys$share"));
 114 #else
 115    return AppendAppName(GetInstallPrefix() + _T("/share"));
 116 #endif
 117 }
 118
 119 wxString wxStandardPaths::GetLocalDataDir() const
 120 {
 121 #ifdef __VMS
 122    return AppendAppName(_T("/sys$manager"));
 123 #else
 124    return AppendAppName(_T("/etc"));
 125 #endif
 126 }
 127
 128 wxString wxStandardPaths::GetUserDataDir() const
 129 {
 130 #ifdef __VMS
 131    return wxFileName::GetHomeDir();
 132 #else
 133    return AppendAppName(wxFileName::GetHomeDir() + _T("/."));
 134 #endif
 135 }
 136
 137 wxString wxStandardPaths::GetPluginsDir() const
 138 {
 139     return wxString();
 140 }
 141
 142 #endif // wxUSE_STDPATHS