Source/WebCore/rendering/RenderTreeAsText.h

/*
 * Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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#ifndef RenderTreeAsText_h
#define RenderTreeAsText_h
#include "TextStream.h"

#include <wtf/Forward.h>

namespace WebCore {

class Element;
class Frame;
class RenderObject;
class TextStream;

enum RenderAsTextBehaviorFlags {
    RenderAsTextBehaviorNormal = 0,
    RenderAsTextShowAllLayers = 1 << 0, // Dump all layers, not just those that would paint.
    RenderAsTextShowLayerNesting = 1 << 1, // Annotate the layer lists.
    RenderAsTextShowCompositedLayers = 1 << 2, // Show which layers are composited.
    RenderAsTextShowAddresses = 1 << 3, // Show layer and renderer addresses.
    RenderAsTextShowIDAndClass = 1 << 4, // Show id and class attributes
    RenderAsTextPrintingMode = 1 << 5, // Dump the tree in printing mode.
    RenderAsTextDontUpdateLayout = 1 << 6, // Don't update layout, to make it safe to call showLayerTree() from the debugger inside layout or painting code.
    RenderAsTextShowLayoutState = 1 << 7, // Print the various 'needs layout' bits on renderers.
    RenderAsTextShowOverflow = 1 << 8 // Print layout and visual overflow.
};
typedef unsigned RenderAsTextBehavior;

// You don't need pageWidthInPixels if you don't specify RenderAsTextInPrintingMode.
String externalRepresentation(Frame*, RenderAsTextBehavior = RenderAsTextBehaviorNormal);
String externalRepresentation(Element*, RenderAsTextBehavior = RenderAsTextBehaviorNormal);
void write(TextStream&, const RenderObject&, int indent = 0, RenderAsTextBehavior = RenderAsTextBehaviorNormal);

class RenderTreeAsText {
// FIXME: This is a cheesy hack to allow easy access to RenderStyle colors.  It won't be needed if we convert
// it to use visitedDependentColor instead. (This just involves rebaselining many results though, so for now it's
// not being done).
public:
static void writeRenderObject(TextStream& ts, const RenderObject& o, RenderAsTextBehavior behavior);
};

// Helper function shared with SVGRenderTreeAsText
String quoteAndEscapeNonPrintables(const String&);

String counterValueForElement(Element*);

String markerTextForListItem(Element*);

} // namespace WebCore

#endif // RenderTreeAsText_h