RenderTreeAsText.h   [plain text]

/*
 * Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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#pragma once

#include <wtf/Forward.h>

namespace WTF {
class TextStream;
}

namespace WebCore {

class Element;
class Frame;
class RenderObject;

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.
    RenderAsTextShowSVGGeometry         = 1 << 9, // Print additional geometry for SVG objects.
    RenderAsTextShowLayerFragments      = 1 << 10, // Print additional info about fragmented RenderLayers
};
typedef unsigned RenderAsTextBehavior;

// You don't need pageWidthInPixels if you don't specify RenderAsTextInPrintingMode.
WEBCORE_EXPORT String externalRepresentation(Frame*, RenderAsTextBehavior = RenderAsTextBehaviorNormal);
WEBCORE_EXPORT String externalRepresentation(Element*, RenderAsTextBehavior = RenderAsTextBehaviorNormal);
void write(WTF::TextStream&, const RenderObject&, RenderAsTextBehavior = RenderAsTextBehaviorNormal);
void writeDebugInfo(WTF::TextStream&, const RenderObject&, 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(WTF::TextStream&, const RenderObject&, RenderAsTextBehavior);
};

// Helper function shared with SVGRenderTreeAsText
String quoteAndEscapeNonPrintables(StringView);

WEBCORE_EXPORT String counterValueForElement(Element*);
WEBCORE_EXPORT String markerTextForListItem(Element*);

} // namespace WebCore