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 // common VMS/Unix part of wxStandardPaths implementation
  43 // ============================================================================
  44
  45 void wxStandardPaths::SetInstallPrefix(const wxString& prefix)
  46 {
  47     m_prefix = prefix;
  48 }
  49
  50 wxString wxStandardPaths::GetUserConfigDir() const
  51 {
  52     return wxFileName::GetHomeDir();
  53 }
  54
  55 // ============================================================================
  56 // wxStandardPaths implementation for VMS
  57 // ============================================================================
  58
  59 #ifdef __VMS
  60
  61 wxString wxStandardPaths::GetInstallPrefix() const
  62 {
  63     if ( m_prefix.empty() )
  64     {
  65         wx_const_cast(wxStandardPaths *, this)->m_prefix = wxT("/sys$system");
  66     }
  67
  68     return m_prefix;
  69 }
  70
  71 wxString wxStandardPaths::GetConfigDir() const
  72 {
  73    return _T("/sys$manager");
  74 }
  75
  76 wxString wxStandardPaths::GetDataDir() const
  77 {
  78    return AppendAppName(GetInstallPrefix() + _T("/sys$share"));
  79 }
  80
  81 wxString wxStandardPaths::GetLocalDataDir() const
  82 {
  83    return AppendAppName(_T("/sys$manager"));
  84 }
  85
  86 wxString wxStandardPaths::GetUserDataDir() const
  87 {
  88    return wxFileName::GetHomeDir();
  89 }
  90
  91 wxString wxStandardPaths::GetPluginsDir() const
  92 {
  93     return wxString(); // TODO: this is wrong, it should return something
  94 }
  95
  96 #else // !__VMS
  97
  98 // ============================================================================
  99 // wxStandardPaths implementation for Unix
 100 // ============================================================================
 101
 102 wxString wxStandardPaths::GetInstallPrefix() const
 103 {
 104     if ( m_prefix.empty() )
 105     {
 106         wxStandardPaths *pathPtr = wx_const_cast(wxStandardPaths *, this);
 107
 108 #ifdef __LINUX__
 109         // under Linux, we can try to infer the prefix from the location of the
 110         // executable
 111         char buf[4096];
 112         int result = readlink("/proc/self/exe", buf, WXSIZEOF(buf) - sizeof(char));
 113         if ( result != -1 )
 114         {
 115             buf[result] = '\0'; // readlink() doesn't NUL-terminate the buffer
 116
 117             const wxString exeStr(buf, wxConvLibc);
 118
 119             // consider that we're in the last "bin" subdirectory of our prefix
 120             size_t pos = exeStr.rfind(wxT("/bin/"));
 121             if ( pos != wxString::npos )
 122                 pathPtr->m_prefix.assign(exeStr, 0, pos);
 123         }
 124 #endif // __LINUX__
 125
 126         if ( m_prefix.empty() )
 127         {
 128             pathPtr->m_prefix = wxT("/usr/local");
 129         }
 130     }
 131
 132     return m_prefix;
 133 }
 134
 135 // ----------------------------------------------------------------------------
 136 // public functions
 137 // ----------------------------------------------------------------------------
 138
 139 wxString wxStandardPaths::GetConfigDir() const
 140 {
 141    return _T("/etc");
 142 }
 143
 144 wxString wxStandardPaths::GetDataDir() const
 145 {
 146    return AppendAppName(GetInstallPrefix() + _T("/share"));
 147 }
 148
 149 wxString wxStandardPaths::GetLocalDataDir() const
 150 {
 151    return AppendAppName(_T("/etc"));
 152 }
 153
 154 wxString wxStandardPaths::GetUserDataDir() const
 155 {
 156    return AppendAppName(wxFileName::GetHomeDir() + _T("/."));
 157 }
 158
 159 wxString wxStandardPaths::GetPluginsDir() const
 160 {
 161     return AppendAppName(GetInstallPrefix() + _T("/lib"));
 162 }
 163
 164 #endif // __VMS/!__VMS
 165
 166 #endif // wxUSE_STDPATHS