Add wx headers and ext

wxheaders/wx/wfstream.h

@@ -0,0 +1,288 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/wfstream.h
+// Purpose:     File stream classes
+// Author:      Guilhem Lavaux
+// Modified by:
+// Created:     11/07/98
+// Copyright:   (c) Guilhem Lavaux
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_WXFSTREAM_H__
+#define _WX_WXFSTREAM_H__
+
+#include "wx/defs.h"
+
+#if wxUSE_STREAMS
+
+#include "wx/object.h"
+#include "wx/string.h"
+#include "wx/stream.h"
+#include "wx/file.h"
+#include "wx/ffile.h"
+
+#if wxUSE_FILE
+
+// ----------------------------------------------------------------------------
+// wxFileStream using wxFile
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxFileInputStream : public wxInputStream
+{
+public:
+    wxFileInputStream(const wxString& ifileName);
+    wxFileInputStream(wxFile& file);
+    wxFileInputStream(int fd);
+    virtual ~wxFileInputStream();
+
+    virtual wxFileOffset GetLength() const wxOVERRIDE;
+
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const wxOVERRIDE;
+    virtual bool IsSeekable() const wxOVERRIDE { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+    wxFile* GetFile() const { return m_file; }
+
+protected:
+    wxFileInputStream();
+
+    virtual size_t OnSysRead(void *buffer, size_t size) wxOVERRIDE;
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode) wxOVERRIDE;
+    virtual wxFileOffset OnSysTell() const wxOVERRIDE;
+
+protected:
+    wxFile *m_file;
+    bool m_file_destroy;
+
+    wxDECLARE_NO_COPY_CLASS(wxFileInputStream);
+};
+
+class WXDLLIMPEXP_BASE wxFileOutputStream : public wxOutputStream
+{
+public:
+    wxFileOutputStream(const wxString& fileName);
+    wxFileOutputStream(wxFile& file);
+    wxFileOutputStream(int fd);
+    virtual ~wxFileOutputStream();
+
+    void Sync() wxOVERRIDE;
+    bool Close() wxOVERRIDE { return m_file_destroy ? m_file->Close() : true; }
+    virtual wxFileOffset GetLength() const wxOVERRIDE;
+
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const wxOVERRIDE;
+    virtual bool IsSeekable() const wxOVERRIDE { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+    wxFile* GetFile() const { return m_file; }
+
+protected:
+    wxFileOutputStream();
+
+    virtual size_t OnSysWrite(const void *buffer, size_t size) wxOVERRIDE;
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode) wxOVERRIDE;
+    virtual wxFileOffset OnSysTell() const wxOVERRIDE;
+
+protected:
+    wxFile *m_file;
+    bool m_file_destroy;
+
+    wxDECLARE_NO_COPY_CLASS(wxFileOutputStream);
+};
+
+class WXDLLIMPEXP_BASE wxTempFileOutputStream : public wxOutputStream
+{
+public:
+    wxTempFileOutputStream(const wxString& fileName);
+    virtual ~wxTempFileOutputStream();
+
+    bool Close() wxOVERRIDE { return Commit(); }
+    WXDLLIMPEXP_INLINE_BASE virtual bool Commit() { return m_file->Commit(); }
+    WXDLLIMPEXP_INLINE_BASE virtual void Discard() { m_file->Discard(); }
+
+    virtual wxFileOffset GetLength() const wxOVERRIDE { return m_file->Length(); }
+    virtual bool IsSeekable() const wxOVERRIDE { return true; }
+
+protected:
+    virtual size_t OnSysWrite(const void *buffer, size_t size) wxOVERRIDE;
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode) wxOVERRIDE
+        { return m_file->Seek(pos, mode); }
+    virtual wxFileOffset OnSysTell() const wxOVERRIDE { return m_file->Tell(); }
+
+private:
+    wxTempFile *m_file;
+
+    wxDECLARE_NO_COPY_CLASS(wxTempFileOutputStream);
+};
+
+class WXDLLIMPEXP_BASE wxTempFFileOutputStream : public wxOutputStream
+{
+public:
+    wxTempFFileOutputStream(const wxString& fileName);
+    virtual ~wxTempFFileOutputStream();
+
+    bool Close() wxOVERRIDE { return Commit(); }
+    WXDLLIMPEXP_INLINE_BASE virtual bool Commit() { return m_file->Commit(); }
+    WXDLLIMPEXP_INLINE_BASE virtual void Discard() { m_file->Discard(); }
+
+    virtual wxFileOffset GetLength() const wxOVERRIDE { return m_file->Length(); }
+    virtual bool IsSeekable() const wxOVERRIDE { return true; }
+
+protected:
+    virtual size_t OnSysWrite(const void *buffer, size_t size) wxOVERRIDE;
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode) wxOVERRIDE
+        { return m_file->Seek(pos, mode); }
+    virtual wxFileOffset OnSysTell() const wxOVERRIDE { return m_file->Tell(); }
+
+private:
+    wxTempFFile *m_file;
+
+    wxDECLARE_NO_COPY_CLASS(wxTempFFileOutputStream);
+};
+
+class WXDLLIMPEXP_BASE wxFileStream : public wxFileInputStream,
+                                      public wxFileOutputStream
+{
+public:
+    wxFileStream(const wxString& fileName);
+    virtual bool IsOk() const wxOVERRIDE;
+
+    // override (some) virtual functions inherited from both classes to resolve
+    // ambiguities (this wouldn't be necessary if wxStreamBase were a virtual
+    // base class but it isn't)
+
+    virtual bool IsSeekable() const wxOVERRIDE
+    {
+        return wxFileInputStream::IsSeekable();
+    }
+
+    virtual wxFileOffset GetLength() const wxOVERRIDE
+    {
+        return wxFileInputStream::GetLength();
+    }
+
+protected:
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode) wxOVERRIDE
+    {
+        return wxFileInputStream::OnSysSeek(pos, mode);
+    }
+
+    virtual wxFileOffset OnSysTell() const wxOVERRIDE
+    {
+        return wxFileInputStream::OnSysTell();
+    }
+
+private:
+    wxDECLARE_NO_COPY_CLASS(wxFileStream);
+};
+
+#endif //wxUSE_FILE
+
+#if wxUSE_FFILE
+
+// ----------------------------------------------------------------------------
+// wxFFileStream using wxFFile
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxFFileInputStream : public wxInputStream
+{
+public:
+    wxFFileInputStream(const wxString& fileName, const wxString& mode = wxASCII_STR("rb"));
+    wxFFileInputStream(wxFFile& file);
+    wxFFileInputStream(FILE *file);
+    virtual ~wxFFileInputStream();
+
+    virtual wxFileOffset GetLength() const wxOVERRIDE;
+
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const wxOVERRIDE;
+    virtual bool IsSeekable() const wxOVERRIDE { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+    wxFFile* GetFile() const { return m_file; }
+
+protected:
+    wxFFileInputStream();
+
+    virtual size_t OnSysRead(void *buffer, size_t size) wxOVERRIDE;
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode) wxOVERRIDE;
+    virtual wxFileOffset OnSysTell() const wxOVERRIDE;
+
+protected:
+    wxFFile *m_file;
+    bool m_file_destroy;
+
+    wxDECLARE_NO_COPY_CLASS(wxFFileInputStream);
+};
+
+class WXDLLIMPEXP_BASE wxFFileOutputStream : public wxOutputStream
+{
+public:
+    wxFFileOutputStream(const wxString& fileName, const wxString& mode = wxASCII_STR("wb"));
+    wxFFileOutputStream(wxFFile& file);
+    wxFFileOutputStream(FILE *file);
+    virtual ~wxFFileOutputStream();
+
+    void Sync() wxOVERRIDE;
+    bool Close() wxOVERRIDE { return m_file_destroy ? m_file->Close() : true; }
+    virtual wxFileOffset GetLength() const wxOVERRIDE;
+
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const wxOVERRIDE;
+    virtual bool IsSeekable() const wxOVERRIDE { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+    wxFFile* GetFile() const { return m_file; }
+
+protected:
+    wxFFileOutputStream();
+
+    virtual size_t OnSysWrite(const void *buffer, size_t size) wxOVERRIDE;
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode) wxOVERRIDE;
+    virtual wxFileOffset OnSysTell() const wxOVERRIDE;
+
+protected:
+    wxFFile *m_file;
+    bool m_file_destroy;
+
+    wxDECLARE_NO_COPY_CLASS(wxFFileOutputStream);
+};
+
+class WXDLLIMPEXP_BASE wxFFileStream : public wxFFileInputStream,
+                                       public wxFFileOutputStream
+{
+public:
+    wxFFileStream(const wxString& fileName, const wxString& mode = wxASCII_STR("w+b"));
+
+    // override some virtual functions to resolve ambiguities, just as in
+    // wxFileStream
+
+    virtual bool IsOk() const wxOVERRIDE;
+
+    virtual bool IsSeekable() const wxOVERRIDE
+    {
+        return wxFFileInputStream::IsSeekable();
+    }
+
+    virtual wxFileOffset GetLength() const wxOVERRIDE
+    {
+        return wxFFileInputStream::GetLength();
+    }
+
+protected:
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode) wxOVERRIDE
+    {
+        return wxFFileInputStream::OnSysSeek(pos, mode);
+    }
+
+    virtual wxFileOffset OnSysTell() const wxOVERRIDE
+    {
+        return wxFFileInputStream::OnSysTell();
+    }
+
+private:
+    wxDECLARE_NO_COPY_CLASS(wxFFileStream);
+};
+
+#endif //wxUSE_FFILE
+
+#endif // wxUSE_STREAMS
+
+#endif // _WX_WXFSTREAM_H__