Fixed initialisation order warning

[wxWidgets.git] / include / wx / filesys.h

diff --git a/include/wx/filesys.h b/include/wx/filesys.h
index 7c1b69e77f77a51abcced4541856e5ab6be91090..bda6d7c5dd341cc7e721bbcca723be951dc7320f 100644 (file)
--- a/include/wx/filesys.h
+++ b/include/wx/filesys.h
@@ -4,17 +4,13 @@
 // Author:      Vaclav Slavik
 // Copyright:   (c) 1999 Vaclav Slavik
 // RCS-ID:      $Id$
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef __FILESYS_H__
 #define __FILESYS_H__
 
-#if defined(__GNUG__) && !defined(__APPLE__)
-#pragma interface "filesys.h"
-#endif
-
-#include "wx/setup.h"
+#include "wx/defs.h"
 
 #if !wxUSE_STREAMS
 #error You cannot compile virtual file systems without wxUSE_STREAMS
@@ -27,13 +23,12 @@
 #if wxUSE_FILESYSTEM
 
 #include "wx/stream.h"
-#include "wx/url.h"
 #include "wx/datetime.h"
 #include "wx/filename.h"
 
-class wxFSFile;
-class wxFileSystemHandler;
-class wxFileSystem;
+class WXDLLIMPEXP_BASE wxFSFile;
+class WXDLLIMPEXP_BASE wxFileSystemHandler;
+class WXDLLIMPEXP_BASE wxFileSystem;
 
 //--------------------------------------------------------------------------------
 // wxFSFile
@@ -42,7 +37,7 @@ class wxFileSystem;
 //                  (in 'index.htm#chapter2', 'chapter2' is anchor)
 //--------------------------------------------------------------------------------
 
-class WXDLLEXPORT wxFSFile : public wxObject
+class WXDLLIMPEXP_BASE wxFSFile : public wxObject
 {
 public:
     wxFSFile(wxInputStream *stream, const wxString& loc,
@@ -53,6 +48,7 @@ public:
              )
     {
         m_Stream = stream;
+        m_destroy = true;
         m_Location = loc;
         m_MimeType = mimetype; m_MimeType.MakeLower();
         m_Anchor = anchor;
@@ -61,12 +57,15 @@ public:
 #endif // wxUSE_DATETIME
     }
 
-    virtual ~wxFSFile() { if (m_Stream) delete m_Stream; }
+    virtual ~wxFSFile() { if (m_Stream && m_destroy) delete m_Stream; }
 
     // returns stream. This doesn't _create_ stream, it only returns
-    // pointer to it!!
+    // pointer to it.
     wxInputStream *GetStream() const {return m_Stream;}
 
+    // gives away the ownership of stream
+    void DetachStream() { m_destroy = false; }
+
     // returns file's mime type
     const wxString& GetMimeType() const {return m_MimeType;}
 
@@ -81,6 +80,7 @@ public:
 
 private:
     wxInputStream *m_Stream;
+    bool m_destroy;
     wxString m_Location;
     wxString m_MimeType;
     wxString m_Anchor;
@@ -103,12 +103,12 @@ private:
 //                  kinds of files (HTPP, FTP, local, tar.gz etc..)
 //--------------------------------------------------------------------------------
 
-class WXDLLEXPORT wxFileSystemHandler : public wxObject
+class WXDLLIMPEXP_BASE wxFileSystemHandler : public wxObject
 {
 public:
     wxFileSystemHandler() : wxObject() {}
 
-    // returns TRUE if this handler is able to open given location
+    // returns true if this handler is able to open given location
     virtual bool CanOpen(const wxString& location) = 0;
 
     // opens given file and returns pointer to input stream.
@@ -157,18 +157,19 @@ protected:
 //                  kinds of files (HTPP, FTP, local, tar.gz etc..)
 //--------------------------------------------------------------------------------
 
-class WXDLLEXPORT wxFileSystem : public wxObject
+class WXDLLIMPEXP_BASE wxFileSystem : public wxObject
 {
 public:
-    wxFileSystem() : wxObject() {m_Path = m_LastName = wxEmptyString; m_Handlers.DeleteContents(TRUE); m_FindFileHandler = NULL;}
+    wxFileSystem() : wxObject() { m_FindFileHandler = NULL;}
+    virtual ~wxFileSystem() { }
 
     // sets the current location. Every call to OpenFile is
     // relative to this location.
     // NOTE !!
-    // unless is_dir = TRUE 'location' is *not* the directory but
+    // unless is_dir = true 'location' is *not* the directory but
     // file contained in this directory
     // (so ChangePathTo("dir/subdir/xh.htm") sets m_Path to "dir/subdir/")
-    void ChangePathTo(const wxString& location, bool is_dir = FALSE);
+    void ChangePathTo(const wxString& location, bool is_dir = false);
 
     wxString GetPath() const {return m_Path;}
 
@@ -185,10 +186,20 @@ public:
     wxString FindFirst(const wxString& spec, int flags = 0);
     wxString FindNext();
 
+    // find a file in a list of directories, returns false if not found
+    bool FindFileInPath(wxString *pStr, const wxChar *path, const wxChar *file);
+
     // Adds FS handler.
-    // In fact, this class is only front-end to the FS hanlers :-)
+    // In fact, this class is only front-end to the FS handlers :-)
     static void AddHandler(wxFileSystemHandler *handler);
 
+    // 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);
+
     // remove all items from the m_Handlers list
     static void CleanUpHandlers();
 
@@ -241,7 +252,7 @@ special characters :
 */
 
 
-class wxLocalFSHandler : public wxFileSystemHandler
+class WXDLLIMPEXP_BASE wxLocalFSHandler : public wxFileSystemHandler
 {
 public:
     virtual bool CanOpen(const wxString& location);