--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/rendering/RenderTextFragment.h Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,64 @@
+/*
+ * (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 2000 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef RenderTextFragment_h
+#define RenderTextFragment_h
+
+#include "RenderText.h"
+
+namespace WebCore {
+
+// Used to represent a text substring of an element, e.g., for text runs that are split because of
+// first letter and that must therefore have different styles (and positions in the render tree).
+// We cache offsets so that text transformations can be applied in such a way that we can recover
+// the original unaltered string from our corresponding DOM node.
+class RenderTextFragment : public RenderText {
+public:
+ RenderTextFragment(Node*, StringImpl*, int startOffset, int length);
+ RenderTextFragment(Node*, StringImpl*);
+
+ virtual bool isTextFragment() const { return true; }
+
+ virtual void destroy();
+
+ unsigned start() const { return m_start; }
+ unsigned end() const { return m_end; }
+
+ RenderObject* firstLetter() const { return m_firstLetter; }
+ void setFirstLetter(RenderObject* firstLetter) { m_firstLetter = firstLetter; }
+
+ StringImpl* contentString() const { return m_contentString.get(); }
+ virtual PassRefPtr<StringImpl> originalText() const;
+
+private:
+ virtual void setTextInternal(PassRefPtr<StringImpl>);
+ virtual UChar previousCharacter();
+
+ unsigned m_start;
+ unsigned m_end;
+ RefPtr<StringImpl> m_contentString;
+ RenderObject* m_firstLetter;
+};
+
+} // namespace WebCore
+
+#endif // RenderTextFragment_h