/////////////////////////////////////////////////////////////////////////////

// Name:        wx/txtstrm.h

// Purpose:     Text stream classes

// Author:      Guilhem Lavaux

// Created:     28/06/1998

// Copyright:   (c) Guilhem Lavaux

// Licence:     wxWindows licence

/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_TXTSTREAM_H_

#define _WX_TXTSTREAM_H_

#include "wx/stream.h"

#include "wx/convauto.h"

#if wxUSE_STREAMS

class WXDLLIMPEXP_FWD_BASE wxTextInputStream;

class WXDLLIMPEXP_FWD_BASE wxTextOutputStream;

typedef wxTextInputStream& (*__wxTextInputManip)(wxTextInputStream&);

typedef wxTextOutputStream& (*__wxTextOutputManip)(wxTextOutputStream&);

WXDLLIMPEXP_BASE wxTextOutputStream &endl( wxTextOutputStream &stream );

// Obsolete constant defined only for compatibility, not used.

#define wxEOT wxT('\4')

// If you're scanning through a file using wxTextInputStream, you should check for EOF _before_

// reading the next item (word / number), because otherwise the last item may get lost.

// You should however be prepared to receive an empty item (empty string / zero number) at the

// end of file, especially on Windows systems. This is unavoidable because most (but not all) files end

// with whitespace (i.e. usually a newline).

class WXDLLIMPEXP_BASE wxTextInputStream

{

public:

    wxTextInputStream(wxInputStream& s,

                      const wxString &sep=wxT(" \t"),

                      const wxMBConv& conv = wxConvAuto());

    ~wxTextInputStream();

    const wxInputStream& GetInputStream() const { return m_input; }

    // base may be between 2 and 36, inclusive, or the special 0 (= C format)

    wxUint64 Read64(int base = 10);

    wxUint32 Read32(int base = 10);

    wxUint16 Read16(int base = 10);

    wxUint8  Read8(int base = 10);

    wxInt64  Read64S(int base = 10);

    wxInt32  Read32S(int base = 10);

    wxInt16  Read16S(int base = 10);

    wxInt8   Read8S(int base = 10);

    double   ReadDouble();

    wxString ReadLine();

    wxString ReadWord();

    wxChar   GetChar();

    wxString GetStringSeparators() const { return m_separators; }

    void SetStringSeparators(const wxString &c) { m_separators = c; }

    // Operators

    wxTextInputStream& operator>>(wxString& word);

    wxTextInputStream& operator>>(char& c);

#if wxWCHAR_T_IS_REAL_TYPE

    wxTextInputStream& operator>>(wchar_t& wc);

#endif

    wxTextInputStream& operator>>(wxInt16& i);

    wxTextInputStream& operator>>(wxInt32& i);

    wxTextInputStream& operator>>(wxInt64& i);

    wxTextInputStream& operator>>(wxUint16& i);

    wxTextInputStream& operator>>(wxUint32& i);

    wxTextInputStream& operator>>(wxUint64& i);

    wxTextInputStream& operator>>(double& i);

    wxTextInputStream& operator>>(float& f);

    wxTextInputStream& operator>>( __wxTextInputManip func) { return func(*this); }

protected:

    wxInputStream &m_input;

    wxString m_separators;

    // Data possibly (see m_validXXX) read from the stream but not decoded yet.

    // This is necessary because GetChar() may only return a single character

    // but we may get more than one character when decoding raw input bytes.

    char m_lastBytes[10];

    // The bytes [0, m_validEnd) of m_lastBytes contain the bytes read by the

    // last GetChar() call (this interval may be empty if GetChar() hasn't been

    // called yet). The bytes [0, m_validBegin) have been already decoded and

    // returned to caller or stored in m_lastWChar in the particularly

    // egregious case of decoding a non-BMP character when using UTF-16 for

    // wchar_t. Finally, the bytes [m_validBegin, m_validEnd) remain to be

    // decoded and returned during the next call (again, this interval can, and

    // usually will, be empty too if m_validBegin == m_validEnd).

    size_t m_validBegin,

           m_validEnd;

    wxMBConv *m_conv;

    // The second half of a surrogate character when using UTF-16 for wchar_t:

    // we can't return it immediately from GetChar() when we read a Unicode

    // code point outside of the BMP, but we can't keep it in m_lastBytes

    // either because it can't separately decoded, so we have a separate 1

    // wchar_t buffer just for this case.

#if SIZEOF_WCHAR_T == 2

    wchar_t m_lastWChar;

#endif // SIZEOF_WCHAR_T == 2

    bool   EatEOL(const wxChar &c);

    void   UngetLast(); // should be used instead of wxInputStream::Ungetch() because of Unicode issues

    wxChar NextNonSeparators();

    wxDECLARE_NO_COPY_CLASS(wxTextInputStream);

};

enum wxEOL

{

  wxEOL_NATIVE,

  wxEOL_UNIX,

  wxEOL_MAC,

  wxEOL_DOS

};

class WXDLLIMPEXP_BASE wxTextOutputStream

{

public:

    wxTextOutputStream(wxOutputStream& s,

                       wxEOL mode = wxEOL_NATIVE,

                       const wxMBConv& conv = wxConvAuto());

    virtual ~wxTextOutputStream();

    const wxOutputStream& GetOutputStream() const { return m_output; }

    void SetMode( wxEOL mode = wxEOL_NATIVE );

    wxEOL GetMode() { return m_mode; }

    template<typename T>

    void Write(const T& i)

    {

        wxString str;

        str << i;

        WriteString(str);

    }

Unexecuted instantiation: void wxTextOutputStream::Write<short>(short const&)

Unexecuted instantiation: void wxTextOutputStream::Write<int>(int const&)

Unexecuted instantiation: void wxTextOutputStream::Write<long long>(long long const&)

Unexecuted instantiation: void wxTextOutputStream::Write<unsigned short>(unsigned short const&)

Unexecuted instantiation: void wxTextOutputStream::Write<unsigned int>(unsigned int const&)

Unexecuted instantiation: void wxTextOutputStream::Write<unsigned long long>(unsigned long long const&)

Unexecuted instantiation: void wxTextOutputStream::Write<double>(double const&)

Unexecuted instantiation: void wxTextOutputStream::Write<float>(float const&)

    void Write64(wxUint64 i);

    void Write32(wxUint32 i);

    void Write16(wxUint16 i);

    void Write8(wxUint8 i);

    virtual void WriteDouble(double d);

    virtual void WriteString(const wxString& string);

    wxTextOutputStream& PutChar(wxChar c);

    void Flush();

    wxTextOutputStream& operator<<(const wxString& string);

    wxTextOutputStream& operator<<(char c);

#if wxWCHAR_T_IS_REAL_TYPE

    wxTextOutputStream& operator<<(wchar_t wc);

#endif

    wxTextOutputStream& operator<<(wxInt16 c);

    wxTextOutputStream& operator<<(wxInt32 c);

    wxTextOutputStream& operator<<(wxInt64 c);

    wxTextOutputStream& operator<<(wxUint16 c);

    wxTextOutputStream& operator<<(wxUint32 c);

    wxTextOutputStream& operator<<(wxUint64 c);

    wxTextOutputStream& operator<<(double f);

    wxTextOutputStream& operator<<(float f);

    wxTextOutputStream& operator<<( __wxTextOutputManip func) { return func(*this); }

protected:

    wxOutputStream &m_output;

    wxEOL           m_mode;

    wxMBConv *m_conv;

#if SIZEOF_WCHAR_T == 2

    // The first half of a surrogate character if one was passed to PutChar()

    // and couldn't be output when it was called the last time.

    wchar_t m_lastWChar;

#endif // SIZEOF_WCHAR_T == 2

    wxDECLARE_NO_COPY_CLASS(wxTextOutputStream);

};

#endif

  // wxUSE_STREAMS

#endif

    // _WX_DATSTREAM_H_