appendescapesequenceaction.h

Go to the documentation of this file.

/****************************************************************************
**
** Author: Róbert Márki <gsmiko@gmail.com>
** Copyright (c) 2018 Róbert Márki
**
** This file is part of the jmespath.cpp project which is distributed under
** the MIT License (MIT).
**
** Permission is hereby granted, free of charge, to any person obtaining a copy
** of this software and associated documentation files (the "Software"), to
** deal in the Software without restriction, including without limitation the
** rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
** sell copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in
** all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
** FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
** DEALINGS IN THE SOFTWARE.
**
****************************************************************************/
#ifndef APPENDESCAPESEQUENCEACTION_H
#define APPENDESCAPESEQUENCEACTION_H
#include "jmespath/types.h"

namespace jmespath { namespace parser {

class AppendEscapeSequenceAction
{
public:
    using result_type = void;
    using escape_type = std::pair<UnicodeChar, UnicodeChar>;
    result_type operator()(String& utf8String,
                           escape_type escapeSequence) const
    {
        auto outIt = std::back_inserter(utf8String);
        boost::utf8_output_iterator<decltype(outIt)> utf8OutIt(outIt);
        // if the escaped character is not a single quote then treat the entire
        // escape sequence as regular characters
        if (escapeSequence.second != U'\'')
        {
            *utf8OutIt++ = escapeSequence.first;
        }
        *utf8OutIt++ = escapeSequence.second;
    }
};
}} // namespace jmespath::parser
#endif // APPENDESCAPESEQUENCEACTION_H