X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d9b0ee1eca921edab7b569859685067f280350fd..0a7ce61e65c6fffcc8ab1649ab29c08d90e13fdb:/src/common/filesys.cpp

diff --git a/src/common/filesys.cpp b/src/common/filesys.cpp
index 57fc6e3712..94a229f49c 100644
--- a/src/common/filesys.cpp
+++ b/src/common/filesys.cpp
@@ -27,6 +27,7 @@
 #include "wx/mimetype.h"
 #include "wx/filename.h"
 #include "wx/tokenzr.h"
+#include "wx/private/fileback.h"
 
 
 //--------------------------------------------------------------------------------
@@ -68,27 +69,27 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location)
                            wxEmptyString,
                            wxEmptyString,
                            _T("JPEG image (from fallback)"),
-                           _T("jpg"), _T("jpeg"), _T("JPG"), _T("JPEG"), NULL),
+                           _T("jpg"), _T("jpeg"), _T("JPG"), _T("JPEG"), 0),
             wxFileTypeInfo(_T("image/gif"),
                            wxEmptyString,
                            wxEmptyString,
                            _T("GIF image (from fallback)"),
-                           _T("gif"), _T("GIF"), NULL),
+                           _T("gif"), _T("GIF"), 0),
             wxFileTypeInfo(_T("image/png"),
                            wxEmptyString,
                            wxEmptyString,
                            _T("PNG image (from fallback)"),
-                           _T("png"), _T("PNG"), NULL),
+                           _T("png"), _T("PNG"), 0),
             wxFileTypeInfo(_T("image/bmp"),
                            wxEmptyString,
                            wxEmptyString,
                            _T("windows bitmap image (from fallback)"),
-                           _T("bmp"), _T("BMP"), NULL),
+                           _T("bmp"), _T("BMP"), 0),
             wxFileTypeInfo(_T("text/html"),
                            wxEmptyString,
                            wxEmptyString,
                            _T("HTML document (from fallback)"),
-                           _T("htm"), _T("html"), _T("HTM"), _T("HTML"), NULL),
+                           _T("htm"), _T("html"), _T("HTM"), _T("HTML"), 0),
             // must terminate the table with this!
             wxFileTypeInfo()
         };
@@ -261,6 +262,12 @@ IMPLEMENT_ABSTRACT_CLASS(wxFSFile, wxObject)
 wxList wxFileSystem::m_Handlers;
 
 
+wxFileSystem::~wxFileSystem()
+{
+    WX_CLEAR_HASH_MAP(wxFSHandlerHash, m_LocalHandlers)
+}
+
+
 static wxString MakeCorrectPath(const wxString& path)
 {
     wxString p(path);
@@ -357,8 +364,30 @@ void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir)
 
 
 
-wxFSFile* wxFileSystem::OpenFile(const wxString& location)
+wxFileSystemHandler *wxFileSystem::MakeLocal(wxFileSystemHandler *h)
 {
+    wxClassInfo *classinfo = h->GetClassInfo();
+
+    if (classinfo->IsDynamic())
+    {
+        wxFileSystemHandler*& local = m_LocalHandlers[classinfo];
+        if (!local)
+            local = (wxFileSystemHandler*)classinfo->CreateObject();
+        return local;
+    }
+    else
+    {
+        return h;
+    }
+}
+
+
+
+wxFSFile* wxFileSystem::OpenFile(const wxString& location, int flags)
+{
+    if ((flags & wxFS_READ) == 0)
+        return NULL;
+
     wxString loc = MakeCorrectPath(location);
     unsigned i, ln;
     wxChar meta;
@@ -369,7 +398,7 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location)
     meta = 0;
     for (i = 0; i < ln; i++)
     {
-        switch (loc[i])
+        switch ( loc[i].GetValue() )
         {
             case wxT('/') : case wxT(':') : case wxT('#') :
                 meta = loc[i];
@@ -388,7 +417,7 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location)
             wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData();
             if (h->CanOpen(m_Path + loc))
             {
-                s = h->OpenFile(*this, m_Path + loc);
+                s = MakeLocal(h)->OpenFile(*this, m_Path + loc);
                 if (s) { m_LastName = m_Path + loc; break; }
             }
             node = node->GetNext();
@@ -404,12 +433,21 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location)
             wxFileSystemHandler *h = (wxFileSystemHandler*) node->GetData();
             if (h->CanOpen(loc))
             {
-                s = h->OpenFile(*this, loc);
+                s = MakeLocal(h)->OpenFile(*this, loc);
                 if (s) { m_LastName = loc; break; }
             }
             node = node->GetNext();
         }
     }
+
+    if (s && (flags & wxFS_SEEKABLE) != 0 && !s->GetStream()->IsSeekable())
+    {
+        wxBackedInputStream *stream;
+        stream = new wxBackedInputStream(s->DetachStream());
+        stream->FindLength();
+        s->SetStream(stream);
+    }
+
     return (s);
 }
 
@@ -428,18 +466,24 @@ wxString wxFileSystem::FindFirst(const wxString& spec, int flags)
     node = m_Handlers.GetFirst();
     while (node)
     {
-        m_FindFileHandler = (wxFileSystemHandler*) node -> GetData();
-        if (m_FindFileHandler -> CanOpen(m_Path + spec2))
+        wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData();
+        if (h -> CanOpen(m_Path + spec2))
+        {
+            m_FindFileHandler = MakeLocal(h);
             return m_FindFileHandler -> FindFirst(m_Path + spec2, flags);
+        }
         node = node->GetNext();
     }
 
     node = m_Handlers.GetFirst();
     while (node)
     {
-        m_FindFileHandler = (wxFileSystemHandler*) node -> GetData();
-        if (m_FindFileHandler -> CanOpen(spec2))
+        wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData();
+        if (h -> CanOpen(spec2))
+        {
+            m_FindFileHandler = MakeLocal(h);
             return m_FindFileHandler -> FindFirst(spec2, flags);
+        }
         node = node->GetNext();
     }