X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4e8e18e2b29e269de22982fcf5eb7ce08b99fe38..173a5ddc77ceb29b7a0dba6d9feeea95ebbbd72b:/include/wx/fs_mem.h?ds=sidebyside diff --git a/include/wx/fs_mem.h b/include/wx/fs_mem.h index 03fa523eee..6688537ca5 100644 --- a/include/wx/fs_mem.h +++ b/include/wx/fs_mem.h @@ -1,69 +1,140 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: fs_mem.h +// Name: wx/fs_mem.h // Purpose: in-memory file system // Author: Vaclav Slavik // Copyright: (c) 2000 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_FS_MEM_H_ #define _WX_FS_MEM_H_ -#ifdef __GNUG__ -#pragma interface "fs_mem.h" -#endif - -#include "wx/wxprec.h" - -#ifdef __BORDLANDC__ -#pragma hdrstop -#endif +#include "wx/defs.h" #if wxUSE_FILESYSTEM #include "wx/filesys.h" +#include "wx/hashmap.h" + +class wxMemoryFSFile; +WX_DECLARE_STRING_HASH_MAP(wxMemoryFSFile *, wxMemoryFSHash); + #if wxUSE_GUI - #include "wx/image.h" #include "wx/bitmap.h" -#endif +#endif // wxUSE_GUI -//-------------------------------------------------------------------------------- -// wxMemoryFSHandler -//-------------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// wxMemoryFSHandlerBase +// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxMemoryFSHandler : public wxFileSystemHandler +class WXDLLIMPEXP_BASE wxMemoryFSHandlerBase : public wxFileSystemHandler { - public: - wxMemoryFSHandler(); - ~wxMemoryFSHandler(); +public: + wxMemoryFSHandlerBase(); + virtual ~wxMemoryFSHandlerBase(); + + // Add file to list of files stored in memory. Stored data (bitmap, text or + // raw data) will be copied into private memory stream and available under + // name "memory:" + filename + static void AddFile(const wxString& filename, const wxString& textdata); + static void AddFile(const wxString& filename, const void *binarydata, size_t size); + static void AddFileWithMimeType(const wxString& filename, + const wxString& textdata, + const wxString& mimetype); + static void AddFileWithMimeType(const wxString& filename, + const void *binarydata, size_t size, + const wxString& mimetype); + + // Remove file from memory FS and free occupied memory + static void RemoveFile(const wxString& filename); + + virtual bool CanOpen(const wxString& location); + virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location); + virtual wxString FindFirst(const wxString& spec, int flags = 0); + virtual wxString FindNext(); + +protected: + // check that the given file is not already present in m_Hash; logs an + // error and returns false if it does exist + static bool CheckDoesntExist(const wxString& filename); + + // the hash map indexed by the names of the files stored in the memory FS + static wxMemoryFSHash m_Hash; + + // the file name currently being searched for, i.e. the argument of the + // last FindFirst() call or empty string if FindFirst() hasn't been called + // yet or FindNext() didn't find anything + wxString m_findArgument; + + // iterator into m_Hash used by FindFirst/Next(), possibly m_Hash.end() or + // even invalid (can only be used when m_findArgument is not empty) + wxMemoryFSHash::const_iterator m_findIter; +}; + +// ---------------------------------------------------------------------------- +// wxMemoryFSHandler +// ---------------------------------------------------------------------------- - // Add file to list of files stored in memory. Stored data (bitmap, text or raw data) - // will be copied into private memory stream and available under name "memory:" + filename #if wxUSE_GUI - static void AddFile(const wxString& filename, wxImage& image, long type); - static void AddFile(const wxString& filename, const wxBitmap& bitmap, long type); -#endif - static void AddFile(const wxString& filename, const wxString& textdata); - static void AddFile(const wxString& filename, const void *binarydata, size_t size); - // Remove file from memory FS and free occupied memory - static void RemoveFile(const wxString& filename); +// add GUI-only operations to the base class +class WXDLLIMPEXP_CORE wxMemoryFSHandler : public wxMemoryFSHandlerBase +{ +public: + // bring the base class versions into the scope, otherwise they would be + // inaccessible in wxMemoryFSHandler + // (unfortunately "using" can't be used as gcc 2.95 doesn't have it...) + static void AddFile(const wxString& filename, const wxString& textdata) + { + wxMemoryFSHandlerBase::AddFile(filename, textdata); + } + + static void AddFile(const wxString& filename, + const void *binarydata, + size_t size) + { + wxMemoryFSHandlerBase::AddFile(filename, binarydata, size); + } + static void AddFileWithMimeType(const wxString& filename, + const wxString& textdata, + const wxString& mimetype) + { + wxMemoryFSHandlerBase::AddFileWithMimeType(filename, + textdata, + mimetype); + } + static void AddFileWithMimeType(const wxString& filename, + const void *binarydata, size_t size, + const wxString& mimetype) + { + wxMemoryFSHandlerBase::AddFileWithMimeType(filename, + binarydata, size, + mimetype); + } + +#if wxUSE_IMAGE + static void AddFile(const wxString& filename, + const wxImage& image, + wxBitmapType type); + + static void AddFile(const wxString& filename, + const wxBitmap& bitmap, + wxBitmapType type); +#endif // wxUSE_IMAGE - virtual bool CanOpen(const wxString& location); - virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location); - virtual wxString FindFirst(const wxString& spec, int flags = 0); - virtual wxString FindNext(); +}; - private: - static wxHashTable *m_Hash; +#else // !wxUSE_GUI - static bool CheckHash(const wxString& filename); +// just the same thing as the base class in wxBase +class WXDLLIMPEXP_BASE wxMemoryFSHandler : public wxMemoryFSHandlerBase +{ }; -#endif - // wxUSE_FILESYSTEM +#endif // wxUSE_GUI/!wxUSE_GUI +#endif // wxUSE_FILESYSTEM #endif // _WX_FS_MEM_H_