// 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"
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__
#pragma hdrstop
#endif
#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
-#include "wx/wx.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/hash.h"
#endif
-#include "wx/filesys.h"
-#include "wx/fs_mem.h"
#include "wx/mstream.h"
-
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;
- m_Time = wxDateTime::Now();
+ InitTime();
}
-
+
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;
}
-
+
char *m_Data;
size_t m_Len;
+#if wxUSE_DATETIME
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
//--------------------------------------------------------------------------------
-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.)
-
- 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"));
-wxFSFile* wxMemoryFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
+wxFSFile* wxMemoryFSHandlerBase::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
{
if (m_Hash)
{
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;
}
-wxString wxMemoryFSHandler::FindFirst(const wxString& WXUNUSED(spec),
+wxString wxMemoryFSHandlerBase::FindFirst(const wxString& WXUNUSED(spec),
int WXUNUSED(flags))
{
- wxFAIL_MSG(wxT("wxMemoryFSHandler::FindFirst not implemented"));
+ wxFAIL_MSG(wxT("wxMemoryFSHandlerBase::FindFirst not implemented"));
return wxEmptyString;
}
-wxString wxMemoryFSHandler::FindNext()
+wxString wxMemoryFSHandlerBase::FindNext()
{
- wxFAIL_MSG(wxT("wxMemoryFSHandler::FindNext not implemented"));
+ wxFAIL_MSG(wxT("wxMemoryFSHandlerBase::FindNext not implemented"));
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 -> DeleteContents(TRUE);
}
-
+
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
- return TRUE;
-}
-
-
-
-#if wxUSE_GUI
-
-/*static*/ void wxMemoryFSHandler::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);
- }
-}
-
-
-/*static*/ void wxMemoryFSHandler::AddFile(const wxString& filename, const wxBitmap& bitmap, long type)
-{
- wxImage img(bitmap);
- AddFile(filename, img, type);
+ return true;
}
-#endif
-/*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());
}
-/*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));
-/*static*/ void wxMemoryFSHandler::RemoveFile(const wxString& filename)
+/*static*/ void wxMemoryFSHandlerBase::RemoveFile(const wxString& filename)
{
if (m_Hash == NULL ||
m_Hash -> Get(filename) == NULL)
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
+
projects / wxWidgets.git / blobdiff