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Converted PriceUpdater from QScriptEngine to Qt-Json. I don't feel comfortable running unchecked JS code from an external source.

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Max-Wilhelm Bruker 2012-06-03 20:16:12 +02:00
parent 50f7560033
commit 25b97d1e56
7 changed files with 964 additions and 25 deletions
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cockatrice/src/qt-json/json.h Normal file
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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.
*/
/**
* \file json.h
*/
#ifndef JSON_H
#define JSON_H
#include <QVariant>
#include <QString>
namespace QtJson
{
/**
* \enum JsonToken
*/
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
* \brief A JSON data parser
*
* Json parses a JSON data into a QVariant hierarchy.
*/
class Json
{
public:
/**
* Parse a JSON string
*
* \param json The JSON data
*/
static QVariant parse(const QString &json);
/**
* Parse a JSON string
*
* \param json The JSON data
* \param success The success of the parsing
*/
static QVariant parse(const QString &json, bool &success);
/**
* This method generates a textual JSON representation
*
* \param data The JSON data generated by the parser.
* \param success The success of the serialization
*/
static QByteArray serialize(const QVariant &data);
/**
* This method generates a textual JSON representation
*
* \param data The JSON data generated by the parser.
* \param success The success of the serialization
*
* \return QByteArray Textual JSON representation
*/
static QByteArray serialize(const QVariant &data, bool &success);
private:
/**
* Parses a value starting from index
*
* \param json The JSON data
* \param index The start index
* \param success The success of the parse process
*
* \return QVariant The parsed value
*/
static QVariant parseValue(const QString &json, int &index,
bool &success);
/**
* Parses an object starting from index
*
* \param json The JSON data
* \param index The start index
* \param success The success of the object parse
*
* \return QVariant The parsed object map
*/
static QVariant parseObject(const QString &json, int &index,
bool &success);
/**
* Parses an array starting from index
*
* \param json The JSON data
* \param index The starting index
* \param success The success of the array parse
*
* \return QVariant The parsed variant array
*/
static QVariant parseArray(const QString &json, int &index,
bool &success);
/**
* Parses a string starting from index
*
* \param json The JSON data
* \param index The starting index
* \param success The success of the string parse
*
* \return QVariant The parsed string
*/
static QVariant parseString(const QString &json, int &index,
bool &success);
/**
* Parses a number starting from index
*
* \param json The JSON data
* \param index The starting index
*
* \return QVariant The parsed number
*/
static QVariant parseNumber(const QString &json, int &index);
/**
* Get the last index of a number starting from index
*
* \param json The JSON data
* \param index The starting index
*
* \return The last index of the number
*/
static int lastIndexOfNumber(const QString &json, int index);
/**
* Skip unwanted whitespace symbols starting from index
*
* \param json The JSON data
* \param index The start index
*/
static void eatWhitespace(const QString &json, int &index);
/**
* Check what token lies ahead
*
* \param json The JSON data
* \param index The starting index
*
* \return int The upcoming token
*/
static int lookAhead(const QString &json, int index);
/**
* Get the next JSON token
*
* \param json The JSON data
* \param index The starting index
*
* \return int The next JSON token
*/
static int nextToken(const QString &json, int &index);
};
} //end namespace
#endif //JSON_H