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 // Copyright:   (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // for compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #ifndef WX_PRECOMP
  27     #include "wx/app.h"
  28 #endif //WX_PRECOMP
  29 #include "wx/apptrait.h"
  30
  31 #include "wx/filename.h"
  32 #include "wx/stdpaths.h"
  33
  34 // ----------------------------------------------------------------------------
  35 // module globals
  36 // ----------------------------------------------------------------------------
  37
  38 namespace
  39 {
  40
  41 // Derive a class just to be able to create it: wxStandardPaths ctor is
  42 // protected to prevent its misuse, but it also means we can't create an object
  43 // of this class directly.
  44 class wxStandardPathsDefault : public wxStandardPaths
  45 {
  46 public:
  47     wxStandardPathsDefault() { }
  48 };
  49
  50 static wxStandardPathsDefault gs_stdPaths;
  51
  52 } // anonymous namespace
  53
  54 // ============================================================================
  55 // implementation
  56 // ============================================================================
  57
  58 /* static */
  59 wxStandardPaths& wxStandardPathsBase::Get()
  60 {
  61     wxAppTraits * const traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
  62     wxCHECK_MSG( traits, gs_stdPaths, wxT("create wxApp before calling this") );
  63
  64     return traits->GetStandardPaths();
  65 }
  66
  67 wxString wxStandardPathsBase::GetExecutablePath() const
  68 {
  69     if ( !wxTheApp || !wxTheApp->argv )
  70         return wxEmptyString;
  71
  72     wxString argv0 = wxTheApp->argv[0];
  73     if (wxIsAbsolutePath(argv0))
  74         return argv0;
  75
  76     // Search PATH.environment variable...
  77     wxPathList pathlist;
  78     pathlist.AddEnvList(wxT("PATH"));
  79     wxString path = pathlist.FindAbsoluteValidPath(argv0);
  80     if ( path.empty() )
  81         return argv0;       // better than nothing
  82
  83     wxFileName filename(path);
  84     filename.Normalize();
  85     return filename.GetFullPath();
  86 }
  87
  88 wxStandardPaths& wxAppTraitsBase::GetStandardPaths()
  89 {
  90     return gs_stdPaths;
  91 }
  92
  93 wxStandardPathsBase::wxStandardPathsBase()
  94 {
  95     // Set the default information that is used when
  96     // forming some paths (by AppendAppInfo).
  97     // Derived classes can call this in their constructors
  98     // to set the platform-specific settings
  99     UseAppInfo(AppInfo_AppName);
 100 }
 101
 102 wxStandardPathsBase::~wxStandardPathsBase()
 103 {
 104     // nothing to do here
 105 }
 106
 107 wxString wxStandardPathsBase::GetLocalDataDir() const
 108 {
 109     return GetDataDir();
 110 }
 111
 112 wxString wxStandardPathsBase::GetUserLocalDataDir() const
 113 {
 114     return GetUserDataDir();
 115 }
 116
 117 wxString wxStandardPathsBase::GetDocumentsDir() const
 118 {
 119     return wxFileName::GetHomeDir();
 120 }
 121
 122 wxString wxStandardPathsBase::GetAppDocumentsDir() const
 123 {
 124     const wxString docsDir = GetDocumentsDir();
 125     wxString appDocsDir = AppendAppInfo(docsDir);
 126
 127     return wxDirExists(appDocsDir) ? appDocsDir : docsDir;
 128 }
 129
 130 // return the temporary directory for the current user
 131 wxString wxStandardPathsBase::GetTempDir() const
 132 {
 133     return wxFileName::GetTempDir();
 134 }
 135
 136 /* static */
 137 wxString
 138 wxStandardPathsBase::AppendPathComponent(const wxString& dir,
 139                                          const wxString& component)
 140 {
 141     wxString subdir(dir);
 142
 143     // empty string indicates that an error has occurred, don't touch it then
 144     if ( !subdir.empty() )
 145     {
 146         if ( !component.empty() )
 147         {
 148             const wxChar ch = *(subdir.end() - 1);
 149             if ( !wxFileName::IsPathSeparator(ch) && ch != wxT('.') )
 150                 subdir += wxFileName::GetPathSeparator();
 151
 152             subdir += component;
 153         }
 154     }
 155
 156     return subdir;
 157 }
 158
 159
 160 wxString wxStandardPathsBase::AppendAppInfo(const wxString& dir) const
 161 {
 162     wxString subdir(dir);
 163
 164     if ( UsesAppInfo(AppInfo_VendorName) )
 165     {
 166         subdir = AppendPathComponent(subdir, wxTheApp->GetVendorName());
 167     }
 168
 169     if ( UsesAppInfo(AppInfo_AppName) )
 170     {
 171         subdir = AppendPathComponent(subdir, wxTheApp->GetAppName());
 172     }
 173
 174     return subdir;
 175 }
 176