1 files changed, 136 insertions, 0 deletions
diff --git a/src/qml/qml/v4vm/qv4string_p.h b/src/qml/qml/v4vm/qv4string_p.h
new file mode 100644
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+++ b/src/qml/qml/v4vm/qv4string_p.h
@@ -0,0 +1,136 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the V4VM 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QV4STRING_H
+#define QV4STRING_H
+
+#include <QtCore/qstring.h>
+#include "qv4managed_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QQmlJS {
+namespace VM {
+
+struct ExecutionEngine;
+
+struct String : public Managed {
+    enum StringType {
+        StringType_Unknown,
+        StringType_Regular,
+        StringType_UInt,
+        StringType_ArrayIndex
+    };
+
+    String(const QString &text)
+        : _text(text), stringHash(UINT_MAX), identifier(UINT_MAX)
+    { vtbl = &static_vtbl; type = Type_String; subtype = StringType_Unknown; }
+    ~String() { _data = 0; }
+
+    inline bool isEqualTo(const String *other) const {
+        if (this == other)
+            return true;
+        if (hashValue() != other->hashValue())
+            return false;
+        if (identifier != UINT_MAX && identifier == other->identifier)
+            return true;
+        if (subtype >= StringType_UInt && subtype == other->subtype)
+            return true;
+
+        return toQString() == other->toQString();
+    }
+    inline bool compare(const String *other) {
+        return toQString() < other->toQString();
+    }
+
+    inline const QString &toQString() const {
+        return _text;
+    }
+
+    inline unsigned hashValue() const {
+        if (subtype == StringType_Unknown)
+            createHashValue();
+
+        return stringHash;
+    }
+    uint asArrayIndex() const {
+        if (subtype == StringType_Unknown)
+            createHashValue();
+        if (subtype == StringType_ArrayIndex)
+            return stringHash;
+        return UINT_MAX;
+    }
+    uint toUInt(bool *ok) const;
+
+    void makeIdentifier(const ExecutionContext *ctx) {
+        if (identifier != UINT_MAX)
+            return;
+        makeIdentifierImpl(ctx);
+    }
+
+    void makeIdentifierImpl(const ExecutionContext *ctx);
+
+    void createHashValue() const;
+    static uint createHashValue(const QChar *ch, int length);
+
+    QString _text;
+    mutable uint stringHash;
+    mutable uint identifier;
+
+protected:
+    static void destroy(Managed *);
+    static Value get(Managed *m, ExecutionContext *ctx, String *name, bool *hasProperty);
+    static Value getIndexed(Managed *m, ExecutionContext *ctx, uint index, bool *hasProperty);
+    static void put(Managed *m, ExecutionContext *ctx, String *name, const Value &value);
+    static void putIndexed(Managed *m, ExecutionContext *ctx, uint index, const Value &value);
+    static PropertyAttributes query(Managed *m, ExecutionContext *ctx, String *name);
+    static PropertyAttributes queryIndexed(Managed *m, ExecutionContext *ctx, uint index);
+    static bool deleteProperty(Managed *m, ExecutionContext *ctx, String *name);
+    static bool deleteIndexedProperty(Managed *m, ExecutionContext *ctx, uint index);
+
+    static const ManagedVTable static_vtbl;
+};
+
+} // namespace VM
+} // namespace QQmlJS
+
+QT_END_NAMESPACE
+
+#endif