From 37a7b035f8feb248d25741b22e22ffb0ec7463d6 Mon Sep 17 00:00:00 2001
From: Lars Knoll <lars.knoll@nokia.com>
Date: Wed, 18 Jan 2012 10:12:50 +0100
Subject: Import json support from playground/qtbinaryjson

This imports the JSON support for Qt 5 from
playground/qtbinaryjson.

It adds a fast, fully compliant json parser, a
convenient C++ API, conversion to and from
QVariants and a binary format for JSON that is
extremely fast to use together with the C++ API.

Change-Id: If9e3a21a4241d388d0abaa446b6824f9cc6edb1c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/corelib/json/qjsonparser_p.h | 118 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 src/corelib/json/qjsonparser_p.h

(limited to 'src/corelib/json/qjsonparser_p.h')

diff --git a/src/corelib/json/qjsonparser_p.h b/src/corelib/json/qjsonparser_p.h
new file mode 100644
index 0000000000..ab8c82fa04
--- /dev/null
+++ b/src/corelib/json/qjsonparser_p.h
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module 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 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 <qjsondocument.h>
+#include <qvarlengtharray.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QJsonPrivate {
+
+class Parser
+{
+public:
+    Parser(const char *json, int length);
+
+    QJsonDocument parse();
+
+    class ParsedObject
+    {
+    public:
+        ParsedObject(Parser *p, int pos) : parser(p), objectPosition(pos) {}
+        void insert(uint offset);
+
+        Parser *parser;
+        int objectPosition;
+        QVarLengthArray<uint> offsets;
+
+        inline QJsonPrivate::Entry *entryAt(int i) const {
+            return reinterpret_cast<QJsonPrivate::Entry *>(parser->data + objectPosition + offsets[i]);
+        }
+    };
+
+
+private:
+    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 *json;
+    const char *end;
+
+    char *data;
+    int dataLength;
+    int current;
+
+    inline int reserveSpace(int space) {
+        if (current + space >= dataLength) {
+            dataLength = 2*dataLength + space;
+            data = (char *)realloc(data, dataLength);
+        }
+        int pos = current;
+        current += space;
+        return pos;
+    }
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif
-- 
cgit v1.2.3