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src/core/json.h

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/* Copyright 2011 Eeli Reilin. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL EELI REILIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* official policies, either expressed or implied, of Eeli Reilin.
*/

#ifndef JSON_H
#define JSON_H

#include <QVariant>
#include <QString>

namespace QtJson
{

enum JsonToken
{
        JsonTokenNone = 0,
        JsonTokenCurlyOpen = 1,
        JsonTokenCurlyClose = 2,
        JsonTokenSquaredOpen = 3,
        JsonTokenSquaredClose = 4,
        JsonTokenColon = 5,
        JsonTokenComma = 6,
        JsonTokenString = 7,
        JsonTokenNumber = 8,
        JsonTokenTrue = 9,
        JsonTokenFalse = 10,
        JsonTokenNull = 11
};

class Json
{
        public:
                static QVariant parse(const QString &json);

                static QVariant parse(const QString &json, bool &success);

                static QByteArray serialize(const QVariant &data);

                static QByteArray serialize(const QVariant &data, bool &success);

        private:
                static QVariant parseValue(const QString &json, int &index,
                                                                   bool &success);

                static QVariant parseObject(const QString &json, int &index,
                                                                           bool &success);

                static QVariant parseArray(const QString &json, int &index,
                                                                           bool &success);

                static QVariant parseString(const QString &json, int &index,
                                                                        bool &success);

                static QVariant parseNumber(const QString &json, int &index);

                static int lastIndexOfNumber(const QString &json, int index);

                static void eatWhitespace(const QString &json, int &index);

                static int lookAhead(const QString &json, int index);

                static int nextToken(const QString &json, int &index);
};


} //end namespace

#endif //JSON_H

   

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