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100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
/* This file is part of QJson
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*
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* Copyright (C) 2008 Flavio Castelli <flavio.castelli@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef QJSON_PARSER_H
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#define QJSON_PARSER_H
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#include "qjson_export.h"
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QT_BEGIN_NAMESPACE
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class QIODevice;
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class QVariant;
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QT_END_NAMESPACE
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/**
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* Namespace used by QJson
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*/
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namespace QJson {
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class ParserPrivate;
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/**
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* @brief Main class used to convert JSON data to QVariant objects
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*/
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class QJSON_EXPORT Parser
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{
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public:
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Parser();
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~Parser();
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/**
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* Read JSON string from the I/O Device and converts it to a QVariant object
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* @param io Input output device
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* @param ok if a conversion error occurs, *ok is set to false; otherwise *ok is set to true.
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* @returns a QVariant object generated from the JSON string
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*/
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QVariant parse(QIODevice* io, bool* ok = 0);
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/**
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* This is a method provided for convenience.
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* @param jsonData data containing the JSON object representation
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* @param ok if a conversion error occurs, *ok is set to false; otherwise *ok is set to true.
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* @returns a QVariant object generated from the JSON string
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* @sa errorString
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* @sa errorLine
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*/
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QVariant parse(const QByteArray& jsonData, bool* ok = 0);
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/**
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* This method returns the error message
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* @returns a QString object containing the error message of the last parse operation
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* @sa errorLine
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*/
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QString errorString() const;
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/**
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* This method returns line number where the error occurred
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* @returns the line number where the error occurred
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* @sa errorString
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*/
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int errorLine() const;
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/**
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* Sets whether special numbers (Infinity, -Infinity, NaN) are allowed as an extension to
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* the standard
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* @param allowSpecialNumbers new value of whether special numbers are allowed
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* @sa specialNumbersAllowed
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*/
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void allowSpecialNumbers(bool allowSpecialNumbers);
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/**
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* @returns whether special numbers (Infinity, -Infinity, NaN) are allowed
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* @sa allowSpecialNumbers
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*/
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bool specialNumbersAllowed() const;
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private:
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Q_DISABLE_COPY(Parser)
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ParserPrivate* const d;
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};
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}
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#endif // QJSON_PARSER_H
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