Carla/source/modules/water/text/NewLine.h

/*
  ==============================================================================

   This file is part of the Water library.
   Copyright (c) 2016 ROLI Ltd.
   Copyright (C) 2017 Filipe Coelho <falktx@falktx.com>

   Permission is granted to use this software under the terms of the ISC license
   http://www.isc.org/downloads/software-support-policy/isc-license/

   Permission to use, copy, modify, and/or distribute this software for any
   purpose with or without fee is hereby granted, provided that the above
   copyright notice and this permission notice appear in all copies.

   THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD
   TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
   OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
   USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
   TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
   OF THIS SOFTWARE.

  ==============================================================================
*/

#ifndef WATER_NEWLINE_H_INCLUDED
#define WATER_NEWLINE_H_INCLUDED

#include "../water.h"

namespace water {

//==============================================================================
/** This class is used for represent a new-line character sequence.

    To write a new-line to a stream, you can use the predefined 'newLine' variable, e.g.
    @code
    myOutputStream << "Hello World" << newLine << newLine;
    @endcode

    The exact character sequence that will be used for the new-line can be set and
    retrieved with OutputStream::setNewLineString() and OutputStream::getNewLineString().
*/
class NewLine
{
public:
    /** Returns the default new-line sequence that the library uses.
        @see OutputStream::setNewLineString()
    */
    static const char* getDefault() noexcept        { return "\r\n"; }

    /** Returns the default new-line sequence that the library uses.
        @see getDefault()
    */
    operator String() const                         { return getDefault(); }

    /** Returns the default new-line sequence that the library uses.
        @see OutputStream::setNewLineString()
    */
    operator StringRef() const noexcept             { return getDefault(); }
};

//==============================================================================
/** A predefined object representing a new-line, which can be written to a string or stream.

    To write a new-line to a stream, you can use the predefined 'newLine' variable like this:
    @code
    myOutputStream << "Hello World" << newLine << newLine;
    @endcode
*/
extern NewLine newLine;

//==============================================================================
/** Writes a new-line sequence to a string.
    You can use the predefined object 'newLine' to invoke this, e.g.
    @code
    myString << "Hello World" << newLine << newLine;
    @endcode
*/
inline String& operator<< (String& string1, const NewLine&) { return string1 += NewLine::getDefault(); }
inline String& operator+= (String& s1, const NewLine&)      { return s1 += NewLine::getDefault(); }

inline String operator+ (const NewLine&, const NewLine&)    { return String (NewLine::getDefault()) + NewLine::getDefault(); }
inline String operator+ (String s1, const NewLine&)         { return s1 += NewLine::getDefault(); }
inline String operator+ (const NewLine&, const char* s2)    { return String (NewLine::getDefault()) + s2; }

}

#endif // WATER_NEWLINE_H_INCLUDED