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128 lines
4.3 KiB
C++
128 lines
4.3 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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#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_FWD_CORE wxBitmap;
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class WXDLLIMPEXP_FWD_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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virtual ~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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#if wxABI_VERSION >= 20805
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static void AddFileWithMimeType(const wxString& filename,
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const wxString& textdata,
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const wxString& mimetype);
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static void AddFileWithMimeType(const wxString& filename,
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const void *binarydata, size_t size,
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const wxString& mimetype);
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#endif // wxABI_VERSION >= 20805
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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 wxABI_VERSION >= 20805
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static void AddFileWithMimeType(const wxString& filename,
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const wxString& textdata,
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const wxString& mimetype)
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{
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wxMemoryFSHandlerBase::AddFileWithMimeType(filename,
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textdata,
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mimetype);
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}
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static void AddFileWithMimeType(const wxString& filename,
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const void *binarydata, size_t size,
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const wxString& mimetype)
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{
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wxMemoryFSHandlerBase::AddFileWithMimeType(filename,
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binarydata, size,
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mimetype);
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}
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#endif // wxABI_VERSION >= 20805
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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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