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,
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 */

 
#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