src/common/stdpbase.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/stdpbase.cpp
   3 // Purpose:     wxStandardPathsBase methods common to all ports
   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 // Licence:     wxWindows licence
  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 #ifndef WX_PRECOMP
  28     #include "wx/app.h"
  29 #endif //WX_PRECOMP
  30 #include "wx/apptrait.h"
  31
  32 #include "wx/filename.h"
  33 #include "wx/stdpaths.h"
  34
  35 // ----------------------------------------------------------------------------
  36 // module globals
  37 // ----------------------------------------------------------------------------
  38
  39 static wxStandardPaths gs_stdPaths;
  40
  41 // ============================================================================
  42 // implementation
  43 // ============================================================================
  44
  45 /* static */
  46 wxStandardPaths& wxStandardPathsBase::Get()
  47 {
  48     wxAppTraits * const traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
  49     wxCHECK_MSG( traits, gs_stdPaths, wxT("create wxApp before calling this") );
  50
  51     return traits->GetStandardPaths();
  52 }
  53
  54 wxString wxStandardPathsBase::GetExecutablePath() const
  55 {
  56     if ( !wxTheApp || !wxTheApp->argv )
  57         return wxEmptyString;
  58
  59     wxString argv0 = wxTheApp->argv[0];
  60     if (wxIsAbsolutePath(argv0))
  61         return argv0;
  62
  63     // Search PATH.environment variable...
  64     wxPathList pathlist;
  65     pathlist.AddEnvList(wxT("PATH"));
  66     wxString path = pathlist.FindAbsoluteValidPath(argv0);
  67     if ( path.empty() )
  68         return argv0;       // better than nothing
  69
  70     wxFileName filename(path);
  71     filename.Normalize();
  72     return filename.GetFullPath();
  73 }
  74
  75 wxStandardPaths& wxAppTraitsBase::GetStandardPaths()
  76 {
  77     return gs_stdPaths;
  78 }
  79
  80 wxStandardPathsBase::wxStandardPathsBase()
  81 {
  82     // Set the default information that is used when
  83     // forming some paths (by AppendAppInfo).
  84     // Derived classes can call this in their constructors
  85     // to set the platform-specific settings
  86     UseAppInfo(AppInfo_AppName);
  87 }
  88
  89 wxStandardPathsBase::~wxStandardPathsBase()
  90 {
  91     // nothing to do here
  92 }
  93
  94 wxString wxStandardPathsBase::GetLocalDataDir() const
  95 {
  96     return GetDataDir();
  97 }
  98
  99 wxString wxStandardPathsBase::GetUserLocalDataDir() const
 100 {
 101     return GetUserDataDir();
 102 }
 103
 104 wxString wxStandardPathsBase::GetDocumentsDir() const
 105 {
 106     return wxFileName::GetHomeDir();
 107 }
 108
 109 wxString wxStandardPathsBase::GetAppDocumentsDir() const
 110 {
 111     const wxString docsDir = GetDocumentsDir();
 112     wxString appDocsDir = AppendAppInfo(docsDir);
 113
 114     return wxDirExists(appDocsDir) ? appDocsDir : docsDir;
 115 }
 116
 117 // return the temporary directory for the current user
 118 wxString wxStandardPathsBase::GetTempDir() const
 119 {
 120     return wxFileName::GetTempDir();
 121 }
 122
 123 /* static */
 124 wxString
 125 wxStandardPathsBase::AppendPathComponent(const wxString& dir,
 126                                          const wxString& component)
 127 {
 128     wxString subdir(dir);
 129
 130     // empty string indicates that an error has occurred, don't touch it then
 131     if ( !subdir.empty() )
 132     {
 133         if ( !component.empty() )
 134         {
 135             const wxChar ch = *(subdir.end() - 1);
 136             if ( !wxFileName::IsPathSeparator(ch) && ch != wxT('.') )
 137                 subdir += wxFileName::GetPathSeparator();
 138
 139             subdir += component;
 140         }
 141     }
 142
 143     return subdir;
 144 }
 145
 146
 147 wxString wxStandardPathsBase::AppendAppInfo(const wxString& dir) const
 148 {
 149     wxString subdir(dir);
 150
 151     if ( UsesAppInfo(AppInfo_VendorName) )
 152     {
 153         subdir = AppendPathComponent(subdir, wxTheApp->GetVendorName());
 154     }
 155
 156     if ( UsesAppInfo(AppInfo_AppName) )
 157     {
 158         subdir = AppendPathComponent(subdir, wxTheApp->GetAppName());
 159     }
 160
 161     return subdir;
 162 }
 163