Warning fixes found under hardest mode of OpenWatcom. Seems clean in Borland, MinGW...

[wxWidgets.git] / src / common / fs_mem.cpp

diff --git a/src/common/fs_mem.cpp b/src/common/fs_mem.cpp
index 30995f3d050ae1478627be5f5dee466528ffa905..aa59f1b48ce16364649f983c1d8d22ffd225ce17 100644 (file)
--- a/src/common/fs_mem.cpp
+++ b/src/common/fs_mem.cpp
@@ -3,11 +3,18 @@
 // Purpose:     in-memory file system
 // Author:      Vaclav Slavik
 // Copyright:   (c) 2000 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
+// Some older compilers (such as EMX) cannot handle
+// #pragma interface/implementation correctly, iff
+// #pragma implementation is used in _two_ translation
+// units (as created by e.g. event.cpp compiled for
+// libwx_base and event.cpp compiled for libwx_gui_core).
+// So we must not use those pragmas for those compilers in
+// such files.
 #pragma implementation "fs_mem.h"
 #endif
 
@@ -19,11 +26,12 @@
 
 #if wxUSE_FILESYSTEM && wxUSE_STREAMS
 
-#include "wx/image.h"
-#include "wx/bitmap.h"
 #include "wx/fs_mem.h"
 
-#ifdef __WXBASE__
+#if wxUSE_GUI
+    #include "wx/image.h"
+    #include "wx/bitmap.h"
+#endif // wxUSE_GUI
 
 #ifndef WXPRECOMP
     #include "wx/intl.h"
@@ -71,10 +79,12 @@ class MemFSHashObj : public wxObject
         {
 #if wxUSE_DATETIME
             m_Time = wxDateTime::Now();
-#endif // wxUSE_DATETIME            
+#endif // wxUSE_DATETIME
         }
 };
 
+#if wxUSE_BASE
+
 
 //--------------------------------------------------------------------------------
 // wxMemoryFSHandler
@@ -98,6 +108,7 @@ wxMemoryFSHandlerBase::~wxMemoryFSHandlerBase()
 
     if (m_Hash)
     {
+        WX_CLEAR_HASH_TABLE(*m_Hash);
         delete m_Hash;
         m_Hash = NULL;
     }
@@ -126,7 +137,7 @@ wxFSFile* wxMemoryFSHandlerBase::OpenFile(wxFileSystem& WXUNUSED(fs), const wxSt
                             GetAnchor(location)
 #if wxUSE_DATETIME
                             , obj -> m_Time
-#endif // wxUSE_DATETIME                            
+#endif // wxUSE_DATETIME
                             );
     }
     else return NULL;
@@ -157,7 +168,6 @@ bool wxMemoryFSHandlerBase::CheckHash(const wxString& filename)
     if (m_Hash == NULL)
     {
         m_Hash = new wxHashTable(wxKEY_STRING);
-        m_Hash -> DeleteContents(TRUE);
     }
 
     if (m_Hash -> Get(filename) != NULL)
@@ -165,30 +175,10 @@ bool wxMemoryFSHandlerBase::CheckHash(const wxString& filename)
         wxString s;
         s.Printf(_("Memory VFS already contains file '%s'!"), filename.c_str());
         wxLogError(s);
-        return FALSE;
+        return false;
     }
     else
-        return TRUE;
-}
-
-
-
-/*static*/ void
-wxMemoryFSHandlerBase::AddFile(const wxString& filename, wxImage& image, long type)
-{
-    if (!CheckHash(filename)) return;
-
-
-    wxMemoryOutputStream mems;
-    if (image.Ok() && image.SaveFile(mems, (int)type))
-        m_Hash -> Put(filename, new MemFSHashObj(mems));
-    else
-    {
-        wxString s;
-        s.Printf(_("Failed to store image '%s' to memory VFS!"), filename.c_str());
-        wxPrintf(wxT("'%s'\n"), s.c_str());
-        wxLogError(s);
-    }
+        return true;
 }
 
 
@@ -220,17 +210,42 @@ wxMemoryFSHandlerBase::AddFile(const wxString& filename, wxImage& image, long ty
         delete m_Hash -> Delete(filename);
 }
 
-#endif // __WXBASE__
+#endif // wxUSE_BASE
 
 #if wxUSE_GUI
 
-/*static*/ void wxMemoryFSHandler::AddFile(const wxString& filename, const wxBitmap& bitmap, long type)
+#if wxUSE_IMAGE
+/*static*/ void
+wxMemoryFSHandler::AddFile(const wxString& filename,
+                           const wxImage& image,
+                           long type)
+{
+    if (!CheckHash(filename)) return;
+
+    wxMemoryOutputStream mems;
+    if (image.Ok() && image.SaveFile(mems, (int)type))
+        m_Hash -> Put(filename, new MemFSHashObj(mems));
+    else
+    {
+        wxString s;
+        s.Printf(_("Failed to store image '%s' to memory VFS!"), filename.c_str());
+        wxPrintf(wxT("'%s'\n"), s.c_str());
+        wxLogError(s);
+    }
+}
+
+/*static*/ void
+wxMemoryFSHandler::AddFile(const wxString& filename,
+                           const wxBitmap& bitmap,
+                           long type)
 {
     wxImage img = bitmap.ConvertToImage();
     AddFile(filename, img, type);
 }
 
-#endif
+#endif // wxUSE_IMAGE
+
+#endif // wxUSE_GUI
 
 
 #endif // wxUSE_FILESYSTEM && wxUSE_FS_ZIP