added explanatory comment

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

diff --git a/src/common/fs_mem.cpp b/src/common/fs_mem.cpp
index 70fd638425cd067ee4eadffd05d3e281530d6b45..52fbc0649e1b4ddca852de6ba7a51921e14eb33a 100644 (file)
--- a/src/common/fs_mem.cpp
+++ b/src/common/fs_mem.cpp
@@ -1,34 +1,31 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        fs_mem.cpp
+// Name:        src/common/fs_mem.cpp
 // Purpose:     in-memory file system
 // Author:      Vaclav Slavik
+// RCS-ID:      $Id$
 // Copyright:   (c) 2000 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
-#ifdef __GNUG__
-#pragma implementation "fs_mem.h"
-#endif
-
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #if wxUSE_FILESYSTEM && wxUSE_STREAMS
 
-#include "wx/image.h"
-#include "wx/bitmap.h"
 #include "wx/fs_mem.h"
 
-#ifdef __WXBASE__
-
-#ifndef WXPRECOMP
+#ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/hash.h"
+    #include "wx/wxcrtvararg.h"
+    #if wxUSE_GUI
+        #include "wx/bitmap.h"
+        #include "wx/image.h"
+    #endif // wxUSE_GUI
 #endif
 
 #include "wx/mstream.h"
@@ -45,7 +42,7 @@ class MemFSHashObj : public wxObject
             InitTime();
         }
 
-        MemFSHashObj(wxMemoryOutputStream& stream)
+        MemFSHashObj(const wxMemoryOutputStream& stream)
         {
             m_Len = stream.GetSize();
             m_Data = new char[m_Len];
@@ -53,7 +50,7 @@ class MemFSHashObj : public wxObject
             InitTime();
         }
 
-        ~MemFSHashObj()
+        virtual ~MemFSHashObj()
         {
             delete[] m_Data;
         }
@@ -71,10 +68,12 @@ class MemFSHashObj : public wxObject
         {
 #if wxUSE_DATETIME
             m_Time = wxDateTime::Now();
-#endif // wxUSE_DATETIME            
+#endif // wxUSE_DATETIME
         }
 };
 
+#if wxUSE_BASE
+
 
 //--------------------------------------------------------------------------------
 // wxMemoryFSHandler
@@ -98,6 +97,7 @@ wxMemoryFSHandlerBase::~wxMemoryFSHandlerBase()
 
     if (m_Hash)
     {
+        WX_CLEAR_HASH_TABLE(*m_Hash);
         delete m_Hash;
         m_Hash = NULL;
     }
@@ -126,7 +126,7 @@ 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 +157,6 @@ 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)
@@ -165,38 +164,16 @@ 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;
+        return true;
 }
 
 
-#if wxUSE_IMAGE
-
-/*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);
-    }
-}
-
-#endif // wxUSE_IMAGE
-
 /*static*/ void wxMemoryFSHandlerBase::AddFile(const wxString& filename, const wxString& textdata)
 {
-    AddFile(filename, (const void*) textdata.mb_str(), textdata.Length());
+    AddFile(filename, (const void*) textdata.mb_str(), textdata.length());
 }
 
 
@@ -222,18 +199,44 @@ 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)
+{
+#if !defined(__WXMSW__) || wxUSE_WXDIB
     wxImage img = bitmap.ConvertToImage();
     AddFile(filename, img, type);
+#endif
 }
 
-#endif
+#endif // wxUSE_IMAGE
 
+#endif // wxUSE_GUI
 
-#endif // wxUSE_FILESYSTEM && wxUSE_FS_ZIP
 
+#endif // wxUSE_FILESYSTEM && wxUSE_FS_ZIP