X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/67c20e133ebe01b5b4bc2468661a8bcc4097c5a2..de6185e212ebc37ff11ff70278e3c4f68419b097:/src/common/wfstream.cpp diff --git a/src/common/wfstream.cpp b/src/common/wfstream.cpp index 970f92c296..74bdde1040 100644 --- a/src/common/wfstream.cpp +++ b/src/common/wfstream.cpp @@ -9,10 +9,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "wfstream.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -20,12 +16,14 @@ #pragma hdrstop #endif -#if wxUSE_STREAMS && wxUSE_FILE +#if wxUSE_STREAMS #include #include "wx/stream.h" #include "wx/wfstream.h" +#if wxUSE_FILE + // ---------------------------------------------------------------------------- // wxFileInputStream // ---------------------------------------------------------------------------- @@ -35,6 +33,8 @@ wxFileInputStream::wxFileInputStream(const wxString& fileName) { m_file = new wxFile(fileName, wxFile::read); m_file_destroy = true; + if ( !m_file->IsOpened() ) + m_lasterror = wxSTREAM_READ_ERROR; } wxFileInputStream::wxFileInputStream() @@ -62,17 +62,17 @@ wxFileInputStream::~wxFileInputStream() delete m_file; } -size_t wxFileInputStream::GetSize() const +wxFileOffset wxFileInputStream::GetLength() const { return m_file->Length(); } size_t wxFileInputStream::OnSysRead(void *buffer, size_t size) { - wxFileSize_t ret = m_file->Read(buffer, size); + ssize_t ret = m_file->Read(buffer, size); // NB: we can't use a switch here because HP-UX CC doesn't allow - // switching over long long (which off_t is in 64bit mode) + // switching over long long (which size_t is in 64bit mode) if ( !ret ) { @@ -113,14 +113,7 @@ wxFileOutputStream::wxFileOutputStream(const wxString& fileName) m_file_destroy = true; if (!m_file->IsOpened()) - { m_lasterror = wxSTREAM_WRITE_ERROR; - } - else - { - if (m_file->Error()) - m_lasterror = wxSTREAM_WRITE_ERROR; - } } wxFileOutputStream::wxFileOutputStream(wxFile& file) @@ -176,11 +169,38 @@ void wxFileOutputStream::Sync() m_file->Flush(); } -size_t wxFileOutputStream::GetSize() const +wxFileOffset wxFileOutputStream::GetLength() const { return m_file->Length(); } +// ---------------------------------------------------------------------------- +// wxTempFileOutputStream +// ---------------------------------------------------------------------------- + +wxTempFileOutputStream::wxTempFileOutputStream(const wxString& fileName) +{ + m_file = new wxTempFile(fileName); + + if (!m_file->IsOpened()) + m_lasterror = wxSTREAM_WRITE_ERROR; +} + +wxTempFileOutputStream::~wxTempFileOutputStream() +{ + if (m_file->IsOpened()) + Discard(); + delete m_file; +} + +size_t wxTempFileOutputStream::OnSysWrite(const void *buffer, size_t size) +{ + if (IsOk() && m_file->Write(buffer, size)) + return size; + m_lasterror = wxSTREAM_WRITE_ERROR; + return 0; +} + // ---------------------------------------------------------------------------- // wxFileStream // ---------------------------------------------------------------------------- @@ -191,22 +211,30 @@ wxFileStream::wxFileStream(const wxString& fileName) wxFileOutputStream::m_file = wxFileInputStream::m_file; } +#endif //wxUSE_FILE + +#if wxUSE_FFILE + // ---------------------------------------------------------------------------- // wxFFileInputStream // ---------------------------------------------------------------------------- -wxFFileInputStream::wxFFileInputStream(const wxString& fileName) - : wxInputStream() +wxFFileInputStream::wxFFileInputStream(const wxString& fileName, + const wxChar *mode) + : wxInputStream() { - m_file = new wxFFile(fileName, _T("rb")); + m_file = new wxFFile(fileName, mode); m_file_destroy = true; + + if (!m_file->IsOpened()) + m_lasterror = wxSTREAM_WRITE_ERROR; } wxFFileInputStream::wxFFileInputStream() - : wxInputStream() + : wxInputStream() { - m_file_destroy = false; m_file = NULL; + m_file_destroy = false; } wxFFileInputStream::wxFFileInputStream(wxFFile& file) @@ -227,16 +255,17 @@ wxFFileInputStream::~wxFFileInputStream() delete m_file; } -size_t wxFFileInputStream::GetSize() const +wxFileOffset wxFFileInputStream::GetLength() const { return m_file->Length(); } size_t wxFFileInputStream::OnSysRead(void *buffer, size_t size) { - wxFileSize_t ret = m_file->Read(buffer, size); + ssize_t ret = m_file->Read(buffer, size); - if (m_file->Eof()) + // It is not safe to call Eof() if the file is not opened. + if (!m_file->IsOpened() || m_file->Eof()) m_lasterror = wxSTREAM_EOF; if (ret == wxInvalidOffset) { @@ -249,13 +278,7 @@ size_t wxFFileInputStream::OnSysRead(void *buffer, size_t size) wxFileOffset wxFFileInputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode) { -#ifdef __VMS -#pragma message disable intsignchange -#endif - return ( m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset ); -#ifdef __VMS -#pragma message enable intsignchange -#endif + return m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset; } wxFileOffset wxFFileInputStream::OnSysTell() const @@ -267,9 +290,10 @@ wxFileOffset wxFFileInputStream::OnSysTell() const // wxFFileOutputStream // ---------------------------------------------------------------------------- -wxFFileOutputStream::wxFFileOutputStream(const wxString& fileName) +wxFFileOutputStream::wxFFileOutputStream(const wxString& fileName, + const wxChar *mode) { - m_file = new wxFFile(fileName, _T("w+b")); + m_file = new wxFFile(fileName, mode); m_file_destroy = true; if (!m_file->IsOpened()) @@ -290,10 +314,10 @@ wxFFileOutputStream::wxFFileOutputStream(wxFFile& file) } wxFFileOutputStream::wxFFileOutputStream() - : wxOutputStream() + : wxOutputStream() { - m_file_destroy = false; m_file = NULL; + m_file_destroy = false; } wxFFileOutputStream::wxFFileOutputStream(FILE *file) @@ -314,7 +338,8 @@ wxFFileOutputStream::~wxFFileOutputStream() size_t wxFFileOutputStream::OnSysWrite(const void *buffer, size_t size) { size_t ret = m_file->Write(buffer, size); - if (m_file->Error()) + // It is not safe to call Error() if the file is not opened. + if (!m_file->IsOpened() || m_file->Error()) m_lasterror = wxSTREAM_WRITE_ERROR; else m_lasterror = wxSTREAM_NO_ERROR; @@ -328,13 +353,7 @@ wxFileOffset wxFFileOutputStream::OnSysTell() const wxFileOffset wxFFileOutputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode) { -#ifdef __VMS -#pragma message disable intsignchange -#endif - return ( m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset ); -#ifdef __VMS -#pragma message enable intsignchange -#endif + return m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset; } void wxFFileOutputStream::Sync() @@ -343,7 +362,7 @@ void wxFFileOutputStream::Sync() m_file->Flush(); } -size_t wxFFileOutputStream::GetSize() const +wxFileOffset wxFFileOutputStream::GetLength() const { return m_file->Length(); } @@ -358,6 +377,7 @@ wxFFileStream::wxFFileStream(const wxString& fileName) wxFFileOutputStream::m_file = wxFFileInputStream::m_file; } -#endif - // wxUSE_STREAMS && wxUSE_FILE +#endif //wxUSE_FFILE + +#endif // wxUSE_STREAMS