| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QJSONPARSER_P_H |
| #define QJSONPARSER_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/private/qglobal_p.h> |
| #include <qjsondocument.h> |
| #include <qvarlengtharray.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QJsonPrivate { |
| |
| class Parser |
| { |
| public: |
| Parser(const char *json, int length); |
| |
| QJsonDocument parse(QJsonParseError *error); |
| |
| class ParsedObject |
| { |
| public: |
| ParsedObject(Parser *p, int pos) : parser(p), objectPosition(pos) { |
| offsets.reserve(64); |
| } |
| void insert(uint offset); |
| |
| Parser *parser; |
| int objectPosition; |
| QVector<uint> offsets; |
| |
| inline QJsonPrivate::Entry *entryAt(int i) const { |
| return reinterpret_cast<QJsonPrivate::Entry *>(parser->data + objectPosition + offsets[i]); |
| } |
| }; |
| |
| |
| private: |
| inline void eatBOM(); |
| inline bool eatSpace(); |
| inline char nextToken(); |
| |
| bool parseObject(); |
| bool parseArray(); |
| bool parseMember(int baseOffset); |
| bool parseString(bool *latin1); |
| bool parseValue(QJsonPrivate::Value *val, int baseOffset); |
| bool parseNumber(QJsonPrivate::Value *val, int baseOffset); |
| const char *head; |
| const char *json; |
| const char *end; |
| |
| char *data; |
| int dataLength; |
| int current; |
| int nestingLevel; |
| QJsonParseError::ParseError lastError; |
| |
| inline int reserveSpace(int space) { |
| if (current + space >= dataLength) { |
| dataLength = 2*dataLength + space; |
| char *newData = (char *)realloc(data, dataLength); |
| if (!newData) { |
| lastError = QJsonParseError::DocumentTooLarge; |
| return -1; |
| } |
| data = newData; |
| } |
| int pos = current; |
| current += space; |
| return pos; |
| } |
| }; |
| |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |