/////////////////////////////////////////////////////////////////////////////
-// Name: file.cpp
+// Name: file.h
// Purpose: wxFile - encapsulates low-level "file descriptor"
// wxTempFile - safely replace the old file
// Author: Vadim Zeitlin
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
-#ifndef __FILEH__
-#define __FILEH__
+#ifndef _WX_FILEH__
+#define _WX_FILEH__
#ifdef __GNUG__
#pragma interface "file.h"
#include "wx/filefn.h"
#endif
+#if wxUSE_FILE
+
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// more file constants
// -------------------
// opening mode
- enum OpenMode { read, write, read_write, write_append };
+ enum OpenMode { read, write, read_write, write_append, write_excl };
// standard values for file descriptor
enum { fd_invalid = -1, fd_stdin, fd_stdout, fd_stderr };
// static functions
// ----------------
// check whether a regular file by this name exists
- static bool Exists(const char *name);
+ static bool Exists(const wxChar *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);
+ static bool Access(const wxChar *name, OpenMode mode);
// ctors
// -----
// def ctor
wxFile() { m_fd = fd_invalid; }
// open specified file (may fail, use IsOpened())
- wxFile(const char *szFileName, OpenMode mode = read);
+ wxFile(const wxChar *szFileName, OpenMode mode = read);
// attach to (already opened) file
wxFile(int fd) { m_fd = fd; }
// open/close
// 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,
+ bool Create(const wxChar *szFileName, bool bOverwrite = FALSE,
int access = wxS_DEFAULT);
- bool Open(const char *szFileName, OpenMode mode = read,
+ bool Open(const wxChar *szFileName, OpenMode mode = read,
int access = wxS_DEFAULT);
bool Close(); // Close is a NOP if not opened
// read/write (unbuffered)
// returns number of bytes read or ofsInvalid on error
off_t Read(void *pBuf, off_t nCount);
+ // returns the number of bytes written
+ size_t Write(const void *pBuf, size_t nCount);
// returns true on success
- uint Write(const void *pBuf, uint nCount);
- // returns true on success
- bool Write(const wxString& s) { return Write(s.c_str(), s.Len()) != 0; }
+ bool Write(const wxString& s, wxMBConv& conv = wxConvLibc)
+ {
+ const wxWX2MBbuf buf = s.mb_str(conv);
+ size_t size = strlen(buf);
+ return Write((const char *) buf, size) == size;
+ }
// flush data not yet written
bool Flush();
bool IsOpened() const { return m_fd != fd_invalid; }
// is end of file reached?
bool Eof() const;
- // is an error occured?
+ // has an error occured?
bool Error() const { return m_error; }
// dtor closes the file if opened
- virtual ~wxFile(); // Temporally virtual because of wxFileStream: I'll change back in a near future.
+ ~wxFile() { Close(); }
private:
// copy ctor and assignment operator are private because
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 wxString& str) { return m_file.Write(str); }
+ bool Write(const void *p, size_t n) { return m_file.Write(p, n) != 0; }
+ bool Write(const wxString& str, wxMBConv& conv = wxConvLibc) { return m_file.Write(str, conv); }
// different ways to close the file
// validate changes and delete the old file of name m_strName
~wxTempFile();
private:
+ // no copy ctor/assignment operator
+ wxTempFile(const wxTempFile&);
+ wxTempFile& operator=(const wxTempFile&);
+
wxString m_strName, // name of the file to replace in Commit()
m_strTemp; // temporary file name
wxFile m_file; // the temporary file
};
-#endif
- // _WX_FILEH__
+#endif // wxUSE_FILE
+
+#endif // _WX_FILEH__