wxPython/src/_filesys.i

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        _filesys.i
   3 // Purpose:     SWIG definitions of the wxFileSystem family of classes
   4 //
   5 // Author:      Robin Dunn
   6 //
   7 // Created:     25-Sept-2000
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 2003 by Total Control Software
  10 // Licence:     wxWindows license
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // Not a %module
  14
  15
  16 //---------------------------------------------------------------------------
  17
  18 %{
  19 #include "wx/wxPython/pyistream.h"
  20 %}
  21
  22 //---------------------------------------------------------------------------
  23 %newgroup
  24
  25
  26 class wxFSFile : public wxObject
  27 {
  28 public:
  29     %pythonAppend wxFSFile
  30         "self.thisown = 0   # It will normally be deleted by the user of the wx.FileSystem";
  31
  32     wxFSFile(wxInputStream *stream, const wxString& loc,
  33              const wxString& mimetype, const wxString& anchor,
  34              wxDateTime modif);
  35
  36     ~wxFSFile();
  37
  38     wxInputStream *GetStream();
  39     const wxString& GetMimeType();
  40     const wxString& GetLocation();
  41     const wxString& GetAnchor();
  42     wxDateTime GetModificationTime();
  43 };
  44
  45
  46 //---------------------------------------------------------------------------
  47
  48 %{
  49 class wxPyFileSystemHandler : public wxFileSystemHandler
  50 {
  51 public:
  52     wxPyFileSystemHandler() : wxFileSystemHandler() {}
  53
  54     DEC_PYCALLBACK_BOOL_STRING_pure(CanOpen);
  55     DEC_PYCALLBACK_FSF_FSSTRING_pure(OpenFile);
  56     DEC_PYCALLBACK_STRING_STRINGINT_pure(FindFirst);
  57     DEC_PYCALLBACK_STRING__pure(FindNext);
  58
  59     wxString GetProtocol(const wxString& location) {
  60         return wxFileSystemHandler::GetProtocol(location);
  61     }
  62
  63     wxString GetLeftLocation(const wxString& location) {
  64         return wxFileSystemHandler::GetLeftLocation(location);
  65     }
  66
  67     wxString GetAnchor(const wxString& location) {
  68         return wxFileSystemHandler::GetAnchor(location);
  69     }
  70
  71     wxString GetRightLocation(const wxString& location) {
  72         return wxFileSystemHandler::GetRightLocation(location);
  73     }
  74
  75     wxString GetMimeTypeFromExt(const wxString& location) {
  76         return wxFileSystemHandler::GetMimeTypeFromExt(location);
  77     }
  78
  79     PYPRIVATE;
  80 };
  81
  82
  83 IMP_PYCALLBACK_BOOL_STRING_pure(wxPyFileSystemHandler, wxFileSystemHandler, CanOpen);
  84 IMP_PYCALLBACK_FSF_FSSTRING_pure(wxPyFileSystemHandler, wxFileSystemHandler, OpenFile);
  85 IMP_PYCALLBACK_STRING_STRINGINT_pure(wxPyFileSystemHandler, wxFileSystemHandler, FindFirst);
  86 IMP_PYCALLBACK_STRING__pure(wxPyFileSystemHandler, wxFileSystemHandler, FindNext);
  87 %}
  88
  89
  90
  91 %rename(CPPFileSystemHandler) wxFileSystemHandler;
  92 class wxFileSystemHandler //: public wxObject
  93 {
  94 public:
  95     //wxFileSystemHandler();
  96 };
  97
  98
  99
 100 %rename(FileSystemHandler) wxPyFileSystemHandler;
 101 class wxPyFileSystemHandler : public wxFileSystemHandler
 102 {
 103 public:
 104     %pythonAppend    wxPyFileSystemHandler "self._setCallbackInfo(self, FileSystemHandler)";
 105
 106     wxPyFileSystemHandler();
 107
 108     void _setCallbackInfo(PyObject* self, PyObject* _class);
 109
 110     bool CanOpen(const wxString& location);
 111     %newobject OpenFile;
 112     wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
 113     wxString FindFirst(const wxString& spec, int flags = 0);
 114     wxString FindNext();
 115
 116     wxString GetProtocol(const wxString& location);
 117     wxString GetLeftLocation(const wxString& location);
 118     wxString GetAnchor(const wxString& location);
 119     wxString GetRightLocation(const wxString& location);
 120     wxString GetMimeTypeFromExt(const wxString& location);
 121 };
 122
 123
 124 // //---------------------------------------------------------------------------
 125
 126
 127 class wxFileSystem : public wxObject {
 128 public:
 129     wxFileSystem();
 130     ~wxFileSystem();
 131
 132     void ChangePathTo(const wxString& location, bool is_dir = false);
 133     wxString GetPath();
 134
 135     %newobject OpenFile;
 136     wxFSFile* OpenFile(const wxString& location);
 137
 138     wxString FindFirst(const wxString& spec, int flags = 0);
 139     wxString FindNext();
 140
 141     static void AddHandler(wxFileSystemHandler *handler);
 142     static void CleanUpHandlers();
 143
 144     // Returns the file URL for a native path
 145     static wxString FileNameToURL(const wxString& filename);
 146
 147     // Returns the native path for a file URL
 148     //static wxFileName URLToFileName(const wxString& url);
 149     %extend {
 150         static wxString URLToFileName(const wxString& url) {
 151             wxFileName fname = wxFileSystem::URLToFileName(url);
 152             return fname.GetFullPath();
 153         }
 154     }
 155 };
 156
 157
 158
 159 //---------------------------------------------------------------------------
 160
 161 class wxInternetFSHandler : public wxFileSystemHandler {
 162 public:
 163     wxInternetFSHandler();
 164     bool CanOpen(const wxString& location);
 165     %newobject OpenFile;
 166     wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
 167 };
 168
 169
 170 //---------------------------------------------------------------------------
 171
 172 class wxZipFSHandler : public wxFileSystemHandler {
 173 public:
 174     wxZipFSHandler();
 175
 176     bool CanOpen(const wxString& location);
 177     %newobject OpenFile;
 178     wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
 179     wxString FindFirst(const wxString& spec, int flags = 0);
 180     wxString FindNext();
 181 };
 182
 183 //---------------------------------------------------------------------------
 184
 185 // TODO: Use SWIG's overloading feature to fix this mess?
 186
 187 // getting the overloaded static AddFile method right
 188 %inline %{
 189     void __wxMemoryFSHandler_AddFile_wxImage(const wxString& filename,
 190                                              wxImage& image,
 191                                              long type) {
 192         wxMemoryFSHandler::AddFile(filename, image, type);
 193     }
 194
 195     void __wxMemoryFSHandler_AddFile_wxBitmap(const wxString& filename,
 196                                               const wxBitmap& bitmap,
 197                                               long type) {
 198         wxMemoryFSHandler::AddFile(filename, bitmap, type);
 199     }
 200
 201     void __wxMemoryFSHandler_AddFile_Data(const wxString& filename,
 202                                           PyObject* data) {
 203         if (! PyString_Check(data)) {
 204             wxPyBLOCK_THREADS(PyErr_SetString(PyExc_TypeError,
 205                                               "Expected string object"));
 206             return;
 207         }
 208
 209         wxPyBlock_t blocked = wxPyBeginBlockThreads();
 210         void*  ptr = (void*)PyString_AsString(data);
 211         size_t size = PyString_Size(data);
 212         wxPyEndBlockThreads(blocked);
 213
 214         wxMemoryFSHandler::AddFile(filename, ptr, size);
 215     }
 216 %}
 217
 218
 219 // case switch for overloading
 220 %pythoncode {
 221 def MemoryFSHandler_AddFile(filename, dataItem, imgType=-1):
 222     """
 223     Add 'file' to the memory filesystem.  The dataItem parameter can
 224     either be a `wx.Bitmap`, `wx.Image` or a string that can contain
 225     arbitrary data.  If a bitmap or image is used then the imgType
 226     parameter should specify what kind of image file it should be
 227     written as, wx.BITMAP_TYPE_PNG, etc.
 228     """
 229     if isinstance(dataItem, wx.Image):
 230         __wxMemoryFSHandler_AddFile_wxImage(filename, dataItem, imgType)
 231     elif isinstance(dataItem, wx.Bitmap):
 232         __wxMemoryFSHandler_AddFile_wxBitmap(filename, dataItem, imgType)
 233     elif type(dataItem) == str:
 234         __wxMemoryFSHandler_AddFile_Data(filename, dataItem)
 235     else:
 236         raise TypeError, 'wx.Image, wx.Bitmap or string expected'
 237 }
 238
 239
 240 class wxMemoryFSHandler : public wxFileSystemHandler {
 241 public:
 242     wxMemoryFSHandler();
 243
 244     // Remove file from memory FS and free occupied memory
 245     static void RemoveFile(const wxString& filename);
 246
 247     // Add a file to the memory FS
 248     %pythoncode { AddFile = staticmethod(MemoryFSHandler_AddFile) }
 249
 250     bool CanOpen(const wxString& location);
 251     %newobject OpenFile;
 252     wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
 253     wxString FindFirst(const wxString& spec, int flags = 0);
 254     virtual wxString FindNext();
 255 };
 256
 257
 258 //---------------------------------------------------------------------------
 259 %init %{
 260     wxPyPtrTypeMap_Add("wxFileSystemHandler", "wxPyFileSystemHandler");
 261 %}
 262 //---------------------------------------------------------------------------