Delegate javascript debugging to Script and V8 debugger clients.

The appropriate client handles the debugging based on the service available at the server side.

Change-Id: I46b66036f700fc7e45e8b38cef7f1ce1445b1122
Reviewed-on: http://codereview.qt.nokia.com/2497
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/shared/json/json.h

@@ -0,0 +1,145 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+**
+** 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.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at info@qt.nokia.com.
+**
+**************************************************************************/
+
+#ifndef JSON_H
+#define JSON_H
+
+#include "json_global.h"
+
+#include <QtCore/QByteArray>
+#include <QtCore/QStringList>
+#include <QtCore/QVector>
+
+namespace Json {
+
+class JSON_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 JSON_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);
+
+    //Format as array
+    JsonInputStream &operator<<(const QList<int> &in);
+
+    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 Json
+
+#endif // JSON_H