// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "ffile.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/intl.h"
#include "wx/log.h"
+ #include "wx/crt.h"
+#endif
+
+#ifdef __WINDOWS__
+#include "wx/msw/mslu.h"
#endif
#include "wx/ffile.h"
// opening the file
// ----------------------------------------------------------------------------
-wxFFile::wxFFile(const wxChar *filename, const wxChar *mode)
+wxFFile::wxFFile(const wxString& filename, const wxString& mode)
{
Detach();
(void)Open(filename, mode);
}
-bool wxFFile::Open(const wxChar *filename, const wxChar *mode)
+bool wxFFile::Open(const wxString& filename, const wxString& mode)
{
wxASSERT_MSG( !m_fp, wxT("should close or detach the old file first") );
// read/write
// ----------------------------------------------------------------------------
-bool wxFFile::ReadAll(wxString *str, wxMBConv& conv)
+bool wxFFile::ReadAll(wxString *str, const wxMBConv& conv)
{
wxCHECK_MSG( str, false, wxT("invalid parameter") );
wxCHECK_MSG( IsOpened(), false, wxT("can't read from closed file") );
wxCHECK_MSG( Length() >= 0, false, wxT("invalid length") );
- size_t length = (size_t)Length();
+ size_t length = wx_truncate_cast(size_t, Length());
wxCHECK_MSG( (wxFileOffset)length == Length(), false, wxT("huge file not supported") );
clearerr(m_fp);
- const size_t fileLen = Length();
- wxCharBuffer buf(fileLen + 1);
- if ( (fread(buf.data(), sizeof(char), fileLen, m_fp) < fileLen) || Error() )
+ wxCharBuffer buf(length + 1);
+
+ // note that real length may be less than file length for text files with DOS EOLs
+ // ('\r's get dropped by CRT when reading which means that we have
+ // realLen = fileLen - numOfLinesInTheFile)
+ length = fread(buf.data(), sizeof(char), length, m_fp);
+
+ if ( Error() )
{
wxLogSysError(_("Read error on file '%s'"), m_name.c_str());
return false;
}
- buf.data()[fileLen] = 0;
+ buf.data()[length] = 0;
*str = wxString(buf, conv);
return true;
size_t wxFFile::Read(void *pBuf, size_t nCount)
{
- wxCHECK_MSG( pBuf, FALSE, wxT("invalid parameter") );
- wxCHECK_MSG( IsOpened(), FALSE, wxT("can't read from closed file") );
+ wxCHECK_MSG( pBuf, 0, wxT("invalid parameter") );
+ wxCHECK_MSG( IsOpened(), 0, wxT("can't read from closed file") );
size_t nRead = fread(pBuf, 1, nCount, m_fp);
if ( (nRead < nCount) && Error() )
size_t wxFFile::Write(const void *pBuf, size_t nCount)
{
- wxCHECK_MSG( pBuf, FALSE, wxT("invalid parameter") );
- wxCHECK_MSG( IsOpened(), FALSE, wxT("can't write to closed file") );
+ wxCHECK_MSG( pBuf, 0, wxT("invalid parameter") );
+ wxCHECK_MSG( IsOpened(), 0, wxT("can't write to closed file") );
size_t nWritten = fwrite(pBuf, 1, nCount, m_fp);
if ( nWritten < nCount )
return nWritten;
}
+bool wxFFile::Write(const wxString& s, const wxMBConv& conv)
+{
+ const wxWX2MBbuf buf = s.mb_str(conv);
+ if ( !buf )
+ return false;
+
+ const size_t size = strlen(buf); // FIXME: use buf.length() when available
+ return Write(buf, size) == size;
+}
+
bool wxFFile::Flush()
{
if ( IsOpened() )
{
- // fflush returns non-zero on error
- //
- if ( fflush(m_fp) )
+ if ( fflush(m_fp) != 0 )
{
wxLogSysError(_("failed to flush the file '%s'"), m_name.c_str());
wxFileOffset wxFFile::Tell() const
{
wxCHECK_MSG( IsOpened(), wxInvalidOffset,
- _T("wxFFile::Tell(): file is closed!") );
+ wxT("wxFFile::Tell(): file is closed!") );
wxFileOffset rc = wxFtell(m_fp);
if ( rc == wxInvalidOffset )
wxFileOffset wxFFile::Length() const
{
wxCHECK_MSG( IsOpened(), wxInvalidOffset,
- _T("wxFFile::Length(): file is closed!") );
+ wxT("wxFFile::Length(): file is closed!") );
wxFFile& self = *(wxFFile *)this; // const_cast