NCWordWrapper.h

/*
  Copyright (C) 2020 SUSE LLC

  This library is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2.1 of the
  License, or (at your option) version 3.0 of the License. This library
  is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
  License for more details. You should have received a copy of the GNU
  Lesser General Public License along with this library; if not, write
  to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  Floor, Boston, MA 02110-1301 USA
*/


/*-/

   File:       NCWordWrapper.h

   Author:     Stefan Hundhammer <shundhammer@suse.de>

/-*/


#ifndef NCWordWrapper_h
#define NCWordWrapper_h

#include <string>

class NCWordWrapper
{
public:

    NCWordWrapper();

    void setText( const std::wstring & origText );

    void setLineWidth( int width );

    int lines();

    const std::wstring & wrappedText();

    const std::wstring & origText() const { return _origText; }

    int lineWidth() const { return _lineWidth; }

    static std::wstring normalizeWhitespace( const std::wstring & orig );

    void wrap();

    void clear();


protected:

    void ensureWrapped();

    std::wstring nextLine( std::wstring & unwrapped );

    //
    // Data members
    //

    std::wstring _origText;
    std::wstring _wrappedText;
    int          _lineWidth;
    int          _lines;
    bool         _dirty;
};

#endif  // NCWordWrapper_h