// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef __FILEH__
#pragma interface "file.h"
#endif
-#include "wx/string.h"
-#include "wx/filefn.h"
+#ifndef WX_PRECOMP
+ #include "wx/string.h"
+ #include "wx/filefn.h"
+#endif
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
-// error return value for Seek() functions
-const off_t ofsInvalid = (off_t)-1;
+// we redefine these constants here because S_IREAD &c are _not_ standard
+// however, we do assume that the values correspond to the Unix umask bits
+#define wxS_IRUSR 00400
+#define wxS_IWUSR 00200
+#define wxS_IXUSR 00100
+
+#define wxS_IRGRP 00040
+#define wxS_IWGRP 00020
+#define wxS_IXGRP 00010
+
+#define wxS_IROTH 00004
+#define wxS_IWOTH 00002
+#define wxS_IXOTH 00001
+
+// default mode for the new files: corresponds to umask 022
+#define wxS_DEFAULT (wxS_IRUSR | wxS_IWUSR | wxS_IRGRP | wxS_IWGRP |\
+ wxS_IROTH | wxS_IWOTH)
// ----------------------------------------------------------------------------
// class wxFile: raw file IO
public:
// more file constants
// -------------------
-
// opening mode
enum OpenMode { read, write, read_write, write_append };
// standard values for file descriptor
// static functions
// ----------------
- static bool Exists(const char *sz); // also checks it's a regular file
+ // check whether a regular file by this name exists
+ static bool Exists(const char *name);
+ // check whetther we can access the given file in given mode
+ // (only read and write make sense here)
+ static bool Access(const char *name, OpenMode mode);
// ctors
// -----
wxFile(int fd) { m_fd = fd; }
// open/close
- bool Create(const char *szFileName, bool bOverwrite = FALSE);
- bool Open(const char *szFileName, OpenMode mode = read);
+ // create a new file (with the default value of bOverwrite, it will fail if
+ // the file already exists, otherwise it will overwrite it and succeed)
+ bool Create(const char *szFileName, bool bOverwrite = FALSE,
+ int access = wxS_DEFAULT);
+ bool Open(const char *szFileName, OpenMode mode = read,
+ int access = wxS_DEFAULT);
bool Close(); // Close is a NOP if not opened
// assign an existing file descriptor and get it back from wxFile object
// returns number of bytes read or ofsInvalid on error
off_t Read(void *pBuf, off_t nCount);
// returns true on success
- uint Write(const void *pBuf, uint nCount);
+ size_t Write(const void *pBuf, size_t nCount);
// returns true on success
bool Write(const wxString& s) { return Write(s.c_str(), s.Len()) != 0; }
// flush data not yet written
bool Eof() const;
// is an error occured?
bool Error() const { return m_error; }
-
+
// dtor closes the file if opened
- ~wxFile();
+ ~wxFile();
private:
// copy ctor and assignment operator are private because
// file (and close this one) or call Discard() to cancel the modification. If
// you call neither of them, dtor will call Discard().
// ----------------------------------------------------------------------------
-class wxTempFile
+class WXDLLEXPORT wxTempFile
{
public:
// ctors
bool IsOpened() const { return m_file.IsOpened(); }
// I/O (both functions return true on success, false on failure)
- bool Write(const void *p, uint n) { return m_file.Write(p, n) != 0; }
+ bool Write(const void *p, size_t n) { return m_file.Write(p, n) != 0; }
bool Write(const wxString& str) { return m_file.Write(str); }
// different ways to close the file
};
#endif
- // __FILEH__
+ // _WX_FILEH__