a62848fdba
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29139 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: fs_mem.h
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// Purpose: in-memory file system
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// Author: Vaclav Slavik
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// Copyright: (c) 2000 Vaclav Slavik
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_FS_MEM_H_
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#define _WX_FS_MEM_H_
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
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// Some older compilers (such as EMX) cannot handle
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// #pragma interface/implementation correctly, iff
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// #pragma implementation is used in _two_ translation
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// units (as created by e.g. event.cpp compiled for
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// libwx_base and event.cpp compiled for libwx_gui_core).
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// So we must not use those pragmas for those compilers in
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// such files.
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#pragma interface "fs_mem.h"
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#endif
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#include "wx/defs.h"
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#if wxUSE_FILESYSTEM
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#include "wx/filesys.h"
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#if wxUSE_GUI
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class WXDLLIMPEXP_CORE wxBitmap;
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class WXDLLIMPEXP_CORE wxImage;
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#endif // wxUSE_GUI
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// ----------------------------------------------------------------------------
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// wxMemoryFSHandlerBase
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_BASE wxMemoryFSHandlerBase : public wxFileSystemHandler
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{
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public:
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wxMemoryFSHandlerBase();
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~wxMemoryFSHandlerBase();
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// Add file to list of files stored in memory. Stored data (bitmap, text or
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// raw data) will be copied into private memory stream and available under
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// name "memory:" + filename
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static void AddFile(const wxString& filename, const wxString& textdata);
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static void AddFile(const wxString& filename, const void *binarydata, size_t size);
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// Remove file from memory FS and free occupied memory
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static void RemoveFile(const wxString& filename);
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virtual bool CanOpen(const wxString& location);
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virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
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virtual wxString FindFirst(const wxString& spec, int flags = 0);
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virtual wxString FindNext();
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protected:
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static bool CheckHash(const wxString& filename);
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static wxHashTable *m_Hash;
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};
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// ----------------------------------------------------------------------------
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// wxMemoryFSHandler
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// ----------------------------------------------------------------------------
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#if wxUSE_GUI
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// add GUI-only operations to the base class
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class WXDLLIMPEXP_CORE wxMemoryFSHandler : public wxMemoryFSHandlerBase
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{
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public:
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// bring the base class versions into the scope, otherwise they would be
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// inaccessible in wxMemoryFSHandler
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// (unfortunately "using" can't be used as gcc 2.95 doesn't have it...)
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static void AddFile(const wxString& filename, const wxString& textdata)
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{
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wxMemoryFSHandlerBase::AddFile(filename, textdata);
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}
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static void AddFile(const wxString& filename,
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const void *binarydata,
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size_t size)
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{
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wxMemoryFSHandlerBase::AddFile(filename, binarydata, size);
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}
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#if wxUSE_IMAGE
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static void AddFile(const wxString& filename,
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const wxImage& image,
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long type);
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static void AddFile(const wxString& filename,
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const wxBitmap& bitmap,
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long type);
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#endif // wxUSE_IMAGE
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};
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#else // !wxUSE_GUI
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// just the same thing as the base class in wxBase
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class WXDLLIMPEXP_BASE wxMemoryFSHandler : public wxMemoryFSHandlerBase
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{
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};
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#endif // wxUSE_GUI/!wxUSE_GUI
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#endif // wxUSE_FILESYSTEM
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#endif // _WX_FS_MEM_H_
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