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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SYMBIANUTILS_JSON_H
#define SYMBIANUTILS_JSON_H
#include "symbianutils_global.h"
#include <QtCore/QByteArray>
#include <QtCore/QStringList>
#include <QtCore/QVector>
namespace Coda {
class SYMBIANUTILS_EXPORT JsonValue
{
public:
JsonValue() : m_type(Invalid) {}
explicit JsonValue(const QByteArray &str) { fromString(str); }
QByteArray m_name;
QByteArray m_data;
QList<JsonValue> m_children;
enum Type {
Invalid,
String,
Number,
Boolean,
Object,
NullObject,
Array
};
Type m_type;
inline Type type() const { return m_type; }
inline QByteArray name() const { return m_name; }
inline bool hasName(const char *name) const { return m_name == name; }
inline bool isValid() const { return m_type != Invalid; }
inline bool isNumber() const { return m_type == Number; }
inline bool isString() const { return m_type == String; }
inline bool isObject() const { return m_type == Object; }
inline bool isArray() const { return m_type == Array; }
inline QByteArray data() const { return m_data; }
inline const QList<JsonValue> &children() const { return m_children; }
inline int childCount() const { return m_children.size(); }
const JsonValue &childAt(int index) const { return m_children[index]; }
JsonValue &childAt(int index) { return m_children[index]; }
JsonValue findChild(const char *name) const;
QByteArray toString(bool multiline = false, int indent = 0) const;
void fromString(const QByteArray &str);
void setStreamOutput(const QByteArray &name, const QByteArray &content);
QVariant toVariant() const;
private:
static QByteArray parseCString(const char *&from, const char *to);
static QByteArray parseNumber(const char *&from, const char *to);
static QByteArray escapeCString(const QByteArray &ba);
static QString escapeCString(const QString &ba);
void parsePair(const char *&from, const char *to);
void parseValue(const char *&from, const char *to);
void parseObject(const char *&from, const char *to);
void parseArray(const char *&from, const char *to);
void dumpChildren(QByteArray *str, bool multiline, int indent) const;
};
/* Thin wrapper around QByteArray for formatting JSON input. Use as in:
* JsonInputStream(byteArray) << '{' << "bla" << ':' << "blup" << '}';
* Note that strings get double quotes and JSON-escaping, characters should be
* used for the array/hash delimiters.
* */
class SYMBIANUTILS_EXPORT JsonInputStream {
public:
explicit JsonInputStream(QByteArray &a) : m_target(a) {}
JsonInputStream &operator<<(char c) { m_target.append(c); return *this; }
JsonInputStream &operator<<(const char *c) { appendCString(c); return *this; }
JsonInputStream &operator<<(const QByteArray &a) { appendCString(a.constData()); return *this; }
JsonInputStream &operator<<(const QString &c) { appendString(c); return *this; }
// Format as array
JsonInputStream &operator<<(const QStringList &c);
// Format as array
JsonInputStream &operator<<(const QVector<QByteArray> &ba);
JsonInputStream &operator<<(bool b);
JsonInputStream &operator<<(int i)
{ m_target.append(QByteArray::number(i)); return *this; }
JsonInputStream &operator<<(unsigned i)
{ m_target.append(QByteArray::number(i)); return *this; }
JsonInputStream &operator<<(quint64 i)
{ m_target.append(QByteArray::number(i)); return *this; }
private:
void appendString(const QString &);
void appendCString(const char *c);
QByteArray &m_target;
};
} // namespace Coda
#endif // SYMBIANUTILS_JSON_H
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