/////////////////////////////////////////////////////////////////////////////
-// Name: filesys.h
+// Name: wx/filesys.h
// Purpose: class for opening files - virtual file system
// Author: Vaclav Slavik
// Copyright: (c) 1999 Vaclav Slavik
#include "wx/stream.h"
#include "wx/datetime.h"
#include "wx/filename.h"
+#include "wx/hashmap.h"
class WXDLLIMPEXP_BASE wxFSFile;
class WXDLLIMPEXP_BASE wxFileSystemHandler;
)
{
m_Stream = stream;
- m_destroy = true;
m_Location = loc;
m_MimeType = mimetype; m_MimeType.MakeLower();
m_Anchor = anchor;
#endif // wxUSE_DATETIME
}
- virtual ~wxFSFile() { if (m_Stream && m_destroy) delete m_Stream; }
+ virtual ~wxFSFile() { delete m_Stream; }
- // returns stream. This doesn't _create_ stream, it only returns
- // pointer to it.
- wxInputStream *GetStream() const {return m_Stream;}
+ // returns stream. This doesn't give away ownership of the stream object.
+ wxInputStream *GetStream() const { return m_Stream; }
- // gives away the ownership of stream
- void DetachStream() { m_destroy = false; }
+ // gives away the ownership of the current stream.
+ wxInputStream *DetachStream()
+ {
+ wxInputStream *stream = m_Stream;
+ m_Stream = NULL;
+ return stream;
+ }
+
+ // deletes the current stream and takes ownership of another.
+ void SetStream(wxInputStream *stream)
+ {
+ delete m_Stream;
+ m_Stream = stream;
+ }
// returns file's mime type
- const wxString& GetMimeType() const {return m_MimeType;}
+ const wxString& GetMimeType() const { return m_MimeType; }
// returns the original location (aka filename) of the file
- const wxString& GetLocation() const {return m_Location;}
+ const wxString& GetLocation() const { return m_Location; }
- const wxString& GetAnchor() const {return m_Anchor;}
+ const wxString& GetAnchor() const { return m_Anchor; }
#if wxUSE_DATETIME
- wxDateTime GetModificationTime() const {return m_Modif;}
+ wxDateTime GetModificationTime() const { return m_Modif; }
#endif // wxUSE_DATETIME
private:
wxInputStream *m_Stream;
- bool m_destroy;
wxString m_Location;
wxString m_MimeType;
wxString m_Anchor;
// kinds of files (HTPP, FTP, local, tar.gz etc..)
//--------------------------------------------------------------------------------
+// Open Bit Flags
+enum {
+ wxFS_READ = 1, // Open for reading
+ wxFS_SEEKABLE = 4 // Returned stream will be seekable
+};
+
+WX_DECLARE_VOIDPTR_HASH_MAP_WITH_DECL(wxFileSystemHandler*, wxFSHandlerHash, class WXDLLIMPEXP_BASE);
+
class WXDLLIMPEXP_BASE wxFileSystem : public wxObject
{
public:
wxFileSystem() : wxObject() { m_FindFileHandler = NULL;}
- virtual ~wxFileSystem() { }
+ virtual ~wxFileSystem();
// sets the current location. Every call to OpenFile is
// relative to this location.
// It first tries to open the file in relative scope
// (based on ChangePathTo()'s value) and then as an absolute
// path.
- wxFSFile* OpenFile(const wxString& location);
+ wxFSFile* OpenFile(const wxString& location, int flags = wxFS_READ);
// Finds first/next file that matches spec wildcard. flags can be wxDIR for restricting
// the query to directories or wxFILE for files only or 0 for either.
// Removes FS handler
static wxFileSystemHandler* RemoveHandler(wxFileSystemHandler *handler);
-
// Returns true if there is a handler which can open the given location.
static bool HasHandlerForPath(const wxString& location);
protected:
+ wxFileSystemHandler *MakeLocal(wxFileSystemHandler *h);
+
wxString m_Path;
// the path (location) we are currently in
// this is path, not file!
// list of FS handlers
wxFileSystemHandler *m_FindFileHandler;
// handler that succeed in FindFirst query
+ wxFSHandlerHash m_LocalHandlers;
+ // Handlers local to this instance
DECLARE_DYNAMIC_CLASS(wxFileSystem)
DECLARE_NO_COPY_CLASS(wxFileSystem)