| /* |
| * 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 |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TREE_AS_TEXT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TREE_AS_TEXT_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/forward.h" |
| #include "third_party/blink/renderer/platform/wtf/text/text_stream.h" |
| |
| namespace blink { |
| |
| class Color; |
| class PaintLayer; |
| class Element; |
| class LocalFrame; |
| class LayoutBlockFlow; |
| class LayoutObject; |
| |
| enum LayoutAsTextBehaviorFlags { |
| kLayoutAsTextBehaviorNormal = 0, |
| // Dump all layers, not just those that would paint. |
| kLayoutAsTextShowAllLayers = 1 << 0, |
| // Annotate the layer lists. |
| kLayoutAsTextShowLayerNesting = 1 << 1, |
| // Show which layers are composited. |
| kLayoutAsTextShowCompositedLayers = 1 << 2, |
| // Show layer and layoutObject addresses. |
| kLayoutAsTextShowAddresses = 1 << 3, |
| // Show id and class attributes |
| kLayoutAsTextShowIDAndClass = 1 << 4, |
| // Dump the tree in printing mode. |
| kLayoutAsTextPrintingMode = 1 << 5, |
| // Don't update layout, to make it safe to call showLayerTree() from the |
| // debugger inside layout or painting code. |
| kLayoutAsTextDontUpdateLayout = 1 << 6, |
| // Print the various 'needs layout' bits on layoutObjects. |
| kLayoutAsTextShowLayoutState = 1 << 7, |
| // Dump the line trees for each LayoutBlockFlow. |
| kLayoutAsTextShowLineTrees = 1 << 8, |
| // Print paint properties associated with layers and layout objects. |
| kLayoutAsTextShowPaintProperties = 1 << 9, |
| }; |
| typedef unsigned LayoutAsTextBehavior; |
| |
| // You don't need pageWidthInPixels if you don't specify |
| // LayoutAsTextInPrintingMode. |
| CORE_EXPORT String |
| ExternalRepresentation(LocalFrame*, |
| LayoutAsTextBehavior = kLayoutAsTextBehaviorNormal, |
| const PaintLayer* marked_layer = nullptr); |
| CORE_EXPORT String |
| ExternalRepresentation(Element*, |
| LayoutAsTextBehavior = kLayoutAsTextBehaviorNormal); |
| void Write(WTF::TextStream&, |
| const LayoutObject&, |
| int indent = 0, |
| LayoutAsTextBehavior = kLayoutAsTextBehaviorNormal); |
| |
| class LayoutTreeAsText { |
| STATIC_ONLY(LayoutTreeAsText); |
| // FIXME: This is a cheesy hack to allow easy access to ComputedStyle 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 WriteLayoutObject(WTF::TextStream&, |
| const LayoutObject&, |
| LayoutAsTextBehavior); |
| static void WriteLayers(WTF::TextStream&, |
| const PaintLayer* root_layer, |
| PaintLayer*, |
| int indent = 0, |
| LayoutAsTextBehavior = kLayoutAsTextBehaviorNormal, |
| const PaintLayer* marked_layer = nullptr); |
| static void WriteLineBoxTree(WTF::TextStream&, |
| const LayoutBlockFlow&, |
| int indent = 0); |
| }; |
| |
| // Helper function shared with SVGLayoutTreeAsText |
| String QuoteAndEscapeNonPrintables(const String&); |
| |
| CORE_EXPORT String CounterValueForElement(Element*); |
| |
| CORE_EXPORT String MarkerTextForListItem(Element*); |
| |
| WTF::TextStream& operator<<(WTF::TextStream&, const Color&); |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TREE_AS_TEXT_H_ |