added wxStringStream classes

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

diff --git a/src/common/fs_mem.cpp b/src/common/fs_mem.cpp
index 1881dce9a82c5089dc7f74a35c2cc5bd2dcfb159..aa59f1b48ce16364649f983c1d8d22ffd225ce17 100644 (file)
--- a/src/common/fs_mem.cpp
+++ b/src/common/fs_mem.cpp
@@ -3,90 +3,120 @@
 // Purpose:     in-memory file system
 // Author:      Vaclav Slavik
 // Copyright:   (c) 2000 Vaclav Slavik
 // Purpose:     in-memory file system
 // Author:      Vaclav Slavik
 // Copyright:   (c) 2000 Vaclav Slavik

-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 

-#ifdef __GNUG__
-#pragma implementation
+#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
 
 #include "wx/wxprec.h"
 
 #endif
 
 #include "wx/wxprec.h"
 

-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__

 #pragma hdrstop
 #endif
 
 #pragma hdrstop
 #endif
 

-#if (wxUSE_HTML || wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
+#if wxUSE_FILESYSTEM && wxUSE_STREAMS
+
+#include "wx/fs_mem.h"
+
+#if wxUSE_GUI
+    #include "wx/image.h"
+    #include "wx/bitmap.h"
+#endif // wxUSE_GUI

 
 #ifndef WXPRECOMP
 
 #ifndef WXPRECOMP

-#include "wx/wx.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/hash.h"

 #endif
 
 #endif
 

-#include "wx/filesys.h"
-#include "wx/fs_mem.h"

 #include "wx/mstream.h"
 
 #include "wx/mstream.h"
 

-

 class MemFSHashObj : public wxObject
 {
     public:
 class MemFSHashObj : public wxObject
 {
     public:

-        
+

         MemFSHashObj(const void *data, size_t len)
         {
             m_Data = new char[len];
             memcpy(m_Data, data, len);
             m_Len = len;
         MemFSHashObj(const void *data, size_t len)
         {
             m_Data = new char[len];
             memcpy(m_Data, data, len);
             m_Len = len;

-            m_Time = wxDateTime::Now();
+            InitTime();

         }
         }

-        
+

         MemFSHashObj(wxMemoryOutputStream& stream)
         {
             m_Len = stream.GetSize();
             m_Data = new char[m_Len];
             stream.CopyTo(m_Data, m_Len);
         MemFSHashObj(wxMemoryOutputStream& stream)
         {
             m_Len = stream.GetSize();
             m_Data = new char[m_Len];
             stream.CopyTo(m_Data, m_Len);

-            m_Time = wxDateTime::Now();
+            InitTime();

         }
         }

-        
+

         ~MemFSHashObj()
         {
             delete[] m_Data;
         }
         ~MemFSHashObj()
         {
             delete[] m_Data;
         }

-        
+

         char *m_Data;
         size_t m_Len;
         char *m_Data;
         size_t m_Len;

+#if wxUSE_DATETIME

         wxDateTime m_Time;
         wxDateTime m_Time;

+#endif // wxUSE_DATETIME
+
+    DECLARE_NO_COPY_CLASS(MemFSHashObj)
+
+    private:
+        void InitTime()
+        {
+#if wxUSE_DATETIME
+            m_Time = wxDateTime::Now();
+#endif // wxUSE_DATETIME
+        }

 };
 
 };
 

+#if wxUSE_BASE
+

 
 //--------------------------------------------------------------------------------
 // wxMemoryFSHandler
 //--------------------------------------------------------------------------------
 
 
 
 //--------------------------------------------------------------------------------
 // wxMemoryFSHandler
 //--------------------------------------------------------------------------------
 
 

-wxHashTable *wxMemoryFSHandler::m_Hash = NULL;
+wxHashTable *wxMemoryFSHandlerBase::m_Hash = NULL;

 
 
 
 

-wxMemoryFSHandler::wxMemoryFSHandler() : wxFileSystemHandler()
+wxMemoryFSHandlerBase::wxMemoryFSHandlerBase() : wxFileSystemHandler()

 {
 {

-    m_Hash = NULL;

 }
 
 
 
 }
 
 
 

-wxMemoryFSHandler::~wxMemoryFSHandler()
+wxMemoryFSHandlerBase::~wxMemoryFSHandlerBase()

 {
     // as only one copy of FS handler is supposed to exist, we may silently
     // delete static data here. (There is no way how to remove FS handler from
     // wxFileSystem other than releasing _all_ handlers.)
 {
     // as only one copy of FS handler is supposed to exist, we may silently
     // delete static data here. (There is no way how to remove FS handler from
     // wxFileSystem other than releasing _all_ handlers.)

-    
-    if (m_Hash) delete m_Hash; 
-    m_Hash = NULL;
+
+    if (m_Hash)
+    {
+        WX_CLEAR_HASH_TABLE(*m_Hash);
+        delete m_Hash;
+        m_Hash = NULL;
+    }

 }
 
 
 
 }
 
 
 

-bool wxMemoryFSHandler::CanOpen(const wxString& location)
+bool wxMemoryFSHandlerBase::CanOpen(const wxString& location)

 {
     wxString p = GetProtocol(location);
     return (p == wxT("memory"));
 {
     wxString p = GetProtocol(location);
     return (p == wxT("memory"));


@@ -95,7 +125,7 @@ bool wxMemoryFSHandler::CanOpen(const wxString& location)
 
 
 
 
 
 

-wxFSFile* wxMemoryFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
+wxFSFile* wxMemoryFSHandlerBase::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)

 {
     if (m_Hash)
     {
 {
     if (m_Hash)
     {


@@ -104,83 +134,61 @@ wxFSFile* wxMemoryFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString
         else return new wxFSFile(new wxMemoryInputStream(obj -> m_Data, obj -> m_Len),
                             location,
                             GetMimeTypeFromExt(location),
         else return new wxFSFile(new wxMemoryInputStream(obj -> m_Data, obj -> m_Len),
                             location,
                             GetMimeTypeFromExt(location),

-                            GetAnchor(location),
-                            obj -> m_Time);
+                            GetAnchor(location)
+#if wxUSE_DATETIME
+                            , obj -> m_Time
+#endif // wxUSE_DATETIME
+                            );

     }
     else return NULL;
 }
 
 
 
     }
     else return NULL;
 }
 
 
 

-wxString wxMemoryFSHandler::FindFirst(const wxString& spec, int flags)
+wxString wxMemoryFSHandlerBase::FindFirst(const wxString& WXUNUSED(spec),
+                                      int WXUNUSED(flags))

 {
 {

-    wxLogWarning(wxT("wxMemoryFSHandler::FindFirst not implemented"));
+    wxFAIL_MSG(wxT("wxMemoryFSHandlerBase::FindFirst not implemented"));
+

     return wxEmptyString;
 }
 
 
 
     return wxEmptyString;
 }
 
 
 

-wxString wxMemoryFSHandler::FindNext()
+wxString wxMemoryFSHandlerBase::FindNext()

 {
 {

-    wxLogWarning(wxT("wxMemoryFSHandler::FindNext not implemented"));
+    wxFAIL_MSG(wxT("wxMemoryFSHandlerBase::FindNext not implemented"));
+

     return wxEmptyString;
 }
 
 
     return wxEmptyString;
 }
 
 

-
-bool wxMemoryFSHandler::CheckHash(const wxString& filename)
+bool wxMemoryFSHandlerBase::CheckHash(const wxString& filename)

 {
 {

-    if (m_Hash == NULL) 
+    if (m_Hash == NULL)

     {
         m_Hash = new wxHashTable(wxKEY_STRING);
     {
         m_Hash = new wxHashTable(wxKEY_STRING);

-        m_Hash -> DeleteContents(TRUE);

     }
     }

-    
+

     if (m_Hash -> Get(filename) != NULL)
     {
         wxString s;
         s.Printf(_("Memory VFS already contains file '%s'!"), filename.c_str());
         wxLogError(s);
     if (m_Hash -> Get(filename) != NULL)
     {
         wxString s;
         s.Printf(_("Memory VFS already contains file '%s'!"), filename.c_str());
         wxLogError(s);

-        return FALSE;
+        return false;

     }
     else
     }
     else

-        return TRUE;
-}
-
-
-
-/*static*/ void wxMemoryFSHandler::AddFile(const wxString& filename, wxImage& image, long type)
-{
-    if (!CheckHash(filename)) return;
-
-    
-    wxMemoryOutputStream mems;
-    if (image.Ok() && image.SaveFile(mems, type))
-        m_Hash -> Put(filename, new MemFSHashObj(mems));
-    else
-    {
-        wxString s;
-        s.Printf(_("Failed to store image '%s' to memory VFS!"), filename.c_str());
-        printf("'%s'\n", s.c_str());
-        wxLogError(s);
-    }
+        return true;

 }
 
 
 }
 
 

-/*static*/ void wxMemoryFSHandler::AddFile(const wxString& filename, const wxBitmap& bitmap, long type)
-{
-    wxImage img(bitmap);
-    AddFile(filename, img, type);
-}
-
-
-/*static*/ void wxMemoryFSHandler::AddFile(const wxString& filename, const wxString& textdata)
+/*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());
 }
 
 

-/*static*/ void wxMemoryFSHandler::AddFile(const wxString& filename, const void *binarydata, size_t size)
+/*static*/ void wxMemoryFSHandlerBase::AddFile(const wxString& filename, const void *binarydata, size_t size)

 {
     if (!CheckHash(filename)) return;
     m_Hash -> Put(filename, new MemFSHashObj(binarydata, size));
 {
     if (!CheckHash(filename)) return;
     m_Hash -> Put(filename, new MemFSHashObj(binarydata, size));


@@ -188,7 +196,7 @@ bool wxMemoryFSHandler::CheckHash(const wxString& filename)
 
 
 
 
 
 

-/*static*/ void wxMemoryFSHandler::RemoveFile(const wxString& filename)
+/*static*/ void wxMemoryFSHandlerBase::RemoveFile(const wxString& filename)

 {
     if (m_Hash == NULL ||
         m_Hash -> Get(filename) == NULL)
 {
     if (m_Hash == NULL ||
         m_Hash -> Get(filename) == NULL)


@@ -202,6 +210,43 @@ bool wxMemoryFSHandler::CheckHash(const wxString& filename)
         delete m_Hash -> Delete(filename);
 }
 
         delete m_Hash -> Delete(filename);
 }
 

+#endif // wxUSE_BASE
+
+#if wxUSE_GUI
+
+#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 // wxUSE_IMAGE
+
+#endif // wxUSE_GUI
+

 
 

+#endif // wxUSE_FILESYSTEM && wxUSE_FS_ZIP

 
 

-#endif // wxUSE_FS_ZIP