--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderTreeAsText.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,713 @@
+/*
+ * Copyright (C) 2004, 2006, 2007 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.
+ */
+
+#include "config.h"
+#include "RenderTreeAsText.h"
+
+#include "CSSMutableStyleDeclaration.h"
+#include "CharacterNames.h"
+#include "Document.h"
+#include "Frame.h"
+#include "FrameView.h"
+#include "HTMLElement.h"
+#include "HTMLNames.h"
+#include "InlineTextBox.h"
+#include "PrintContext.h"
+#include "RenderBR.h"
+#include "RenderFileUploadControl.h"
+#include "RenderInline.h"
+#include "RenderLayer.h"
+#include "RenderListItem.h"
+#include "RenderListMarker.h"
+#include "RenderPart.h"
+#include "RenderTableCell.h"
+#include "RenderView.h"
+#include "RenderWidget.h"
+#include "SelectionController.h"
+#include "TextStream.h"
+#include <wtf/UnusedParam.h>
+#include <wtf/Vector.h>
+
+#if ENABLE(SVG)
+#include "RenderPath.h"
+#include "RenderSVGContainer.h"
+#include "RenderSVGGradientStop.h"
+#include "RenderSVGImage.h"
+#include "RenderSVGInlineText.h"
+#include "RenderSVGRoot.h"
+#include "RenderSVGText.h"
+#include "SVGRenderTreeAsText.h"
+#endif
+
+#if USE(ACCELERATED_COMPOSITING)
+#include "RenderLayerBacking.h"
+#endif
+
+#if PLATFORM(QT)
+#include <QWidget>
+#endif
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+static void writeLayers(TextStream&, const RenderLayer* rootLayer, RenderLayer*, const IntRect& paintDirtyRect, int indent = 0, RenderAsTextBehavior behavior = RenderAsTextBehaviorNormal);
+
+#if !ENABLE(SVG)
+static TextStream &operator<<(TextStream& ts, const IntRect& r)
+{
+ return ts << "at (" << r.x() << "," << r.y() << ") size " << r.width() << "x" << r.height();
+}
+#endif
+
+void writeIndent(TextStream& ts, int indent)
+{
+ for (int i = 0; i != indent; ++i)
+ ts << " ";
+}
+
+static void printBorderStyle(TextStream& ts, const EBorderStyle borderStyle)
+{
+ switch (borderStyle) {
+ case BNONE:
+ ts << "none";
+ break;
+ case BHIDDEN:
+ ts << "hidden";
+ break;
+ case INSET:
+ ts << "inset";
+ break;
+ case GROOVE:
+ ts << "groove";
+ break;
+ case RIDGE:
+ ts << "ridge";
+ break;
+ case OUTSET:
+ ts << "outset";
+ break;
+ case DOTTED:
+ ts << "dotted";
+ break;
+ case DASHED:
+ ts << "dashed";
+ break;
+ case SOLID:
+ ts << "solid";
+ break;
+ case DOUBLE:
+ ts << "double";
+ break;
+ }
+
+ ts << " ";
+}
+
+static String getTagName(Node* n)
+{
+ if (n->isDocumentNode())
+ return "";
+ if (n->isCommentNode())
+ return "COMMENT";
+ return n->nodeName();
+}
+
+static bool isEmptyOrUnstyledAppleStyleSpan(const Node* node)
+{
+ if (!node || !node->isHTMLElement() || !node->hasTagName(spanTag))
+ return false;
+
+ const HTMLElement* elem = static_cast<const HTMLElement*>(node);
+ if (elem->getAttribute(classAttr) != "Apple-style-span")
+ return false;
+
+ if (!node->hasChildNodes())
+ return true;
+
+ CSSMutableStyleDeclaration* inlineStyleDecl = elem->inlineStyleDecl();
+ return (!inlineStyleDecl || inlineStyleDecl->length() == 0);
+}
+
+String quoteAndEscapeNonPrintables(const String& s)
+{
+ Vector<UChar> result;
+ result.append('"');
+ for (unsigned i = 0; i != s.length(); ++i) {
+ UChar c = s[i];
+ if (c == '\\') {
+ result.append('\\');
+ result.append('\\');
+ } else if (c == '"') {
+ result.append('\\');
+ result.append('"');
+ } else if (c == '\n' || c == noBreakSpace)
+ result.append(' ');
+ else {
+ if (c >= 0x20 && c < 0x7F)
+ result.append(c);
+ else {
+ unsigned u = c;
+ String hex = String::format("\\x{%X}", u);
+ unsigned len = hex.length();
+ for (unsigned i = 0; i < len; ++i)
+ result.append(hex[i]);
+ }
+ }
+ }
+ result.append('"');
+ return String::adopt(result);
+}
+
+void RenderTreeAsText::writeRenderObject(TextStream& ts, const RenderObject& o, RenderAsTextBehavior behavior)
+{
+ ts << o.renderName();
+
+ if (behavior & RenderAsTextShowAddresses)
+ ts << " " << static_cast<const void*>(&o);
+
+ if (o.style() && o.style()->zIndex())
+ ts << " zI: " << o.style()->zIndex();
+
+ if (o.node()) {
+ String tagName = getTagName(o.node());
+ if (!tagName.isEmpty()) {
+ ts << " {" << tagName << "}";
+ // flag empty or unstyled AppleStyleSpan because we never
+ // want to leave them in the DOM
+ if (isEmptyOrUnstyledAppleStyleSpan(o.node()))
+ ts << " *empty or unstyled AppleStyleSpan*";
+ }
+ }
+
+ bool adjustForTableCells = o.containingBlock()->isTableCell();
+
+ IntRect r;
+ if (o.isText()) {
+ // FIXME: Would be better to dump the bounding box x and y rather than the first run's x and y, but that would involve updating
+ // many test results.
+ const RenderText& text = *toRenderText(&o);
+ IntRect linesBox = text.linesBoundingBox();
+ r = IntRect(text.firstRunX(), text.firstRunY(), linesBox.width(), linesBox.height());
+ if (adjustForTableCells && !text.firstTextBox())
+ adjustForTableCells = false;
+ } else if (o.isRenderInline()) {
+ // FIXME: Would be better not to just dump 0, 0 as the x and y here.
+ const RenderInline& inlineFlow = *toRenderInline(&o);
+ r = IntRect(0, 0, inlineFlow.linesBoundingBox().width(), inlineFlow.linesBoundingBox().height());
+ adjustForTableCells = false;
+ } else if (o.isTableCell()) {
+ // FIXME: Deliberately dump the "inner" box of table cells, since that is what current results reflect. We'd like
+ // to clean up the results to dump both the outer box and the intrinsic padding so that both bits of information are
+ // captured by the results.
+ const RenderTableCell& cell = *toRenderTableCell(&o);
+ r = IntRect(cell.x(), cell.y() + cell.intrinsicPaddingTop(), cell.width(), cell.height() - cell.intrinsicPaddingTop() - cell.intrinsicPaddingBottom());
+ } else if (o.isBox())
+ r = toRenderBox(&o)->frameRect();
+
+ // FIXME: Temporary in order to ensure compatibility with existing layout test results.
+ if (adjustForTableCells)
+ r.move(0, -toRenderTableCell(o.containingBlock())->intrinsicPaddingTop());
+
+ ts << " " << r;
+
+ if (!(o.isText() && !o.isBR())) {
+ if (o.isFileUploadControl())
+ ts << " " << quoteAndEscapeNonPrintables(toRenderFileUploadControl(&o)->fileTextValue());
+
+ if (o.parent() && (o.parent()->style()->color() != o.style()->color()))
+ ts << " [color=" << o.style()->color().name() << "]";
+
+ if (o.parent() && (o.parent()->style()->backgroundColor() != o.style()->backgroundColor()) &&
+ o.style()->backgroundColor().isValid() && o.style()->backgroundColor().rgb())
+ // Do not dump invalid or transparent backgrounds, since that is the default.
+ ts << " [bgcolor=" << o.style()->backgroundColor().name() << "]";
+
+ if (o.parent() && (o.parent()->style()->textFillColor() != o.style()->textFillColor()) &&
+ o.style()->textFillColor().isValid() && o.style()->textFillColor() != o.style()->color() &&
+ o.style()->textFillColor().rgb())
+ ts << " [textFillColor=" << o.style()->textFillColor().name() << "]";
+
+ if (o.parent() && (o.parent()->style()->textStrokeColor() != o.style()->textStrokeColor()) &&
+ o.style()->textStrokeColor().isValid() && o.style()->textStrokeColor() != o.style()->color() &&
+ o.style()->textStrokeColor().rgb())
+ ts << " [textStrokeColor=" << o.style()->textStrokeColor().name() << "]";
+
+ if (o.parent() && (o.parent()->style()->textStrokeWidth() != o.style()->textStrokeWidth()) &&
+ o.style()->textStrokeWidth() > 0)
+ ts << " [textStrokeWidth=" << o.style()->textStrokeWidth() << "]";
+
+ if (!o.isBoxModelObject())
+ return;
+
+ const RenderBoxModelObject& box = *toRenderBoxModelObject(&o);
+ if (box.borderTop() || box.borderRight() || box.borderBottom() || box.borderLeft()) {
+ ts << " [border:";
+
+ BorderValue prevBorder;
+ if (o.style()->borderTop() != prevBorder) {
+ prevBorder = o.style()->borderTop();
+ if (!box.borderTop())
+ ts << " none";
+ else {
+ ts << " (" << box.borderTop() << "px ";
+ printBorderStyle(ts, o.style()->borderTopStyle());
+ Color col = o.style()->borderTopColor();
+ if (!col.isValid())
+ col = o.style()->color();
+ ts << col.name() << ")";
+ }
+ }
+
+ if (o.style()->borderRight() != prevBorder) {
+ prevBorder = o.style()->borderRight();
+ if (!box.borderRight())
+ ts << " none";
+ else {
+ ts << " (" << box.borderRight() << "px ";
+ printBorderStyle(ts, o.style()->borderRightStyle());
+ Color col = o.style()->borderRightColor();
+ if (!col.isValid())
+ col = o.style()->color();
+ ts << col.name() << ")";
+ }
+ }
+
+ if (o.style()->borderBottom() != prevBorder) {
+ prevBorder = box.style()->borderBottom();
+ if (!box.borderBottom())
+ ts << " none";
+ else {
+ ts << " (" << box.borderBottom() << "px ";
+ printBorderStyle(ts, o.style()->borderBottomStyle());
+ Color col = o.style()->borderBottomColor();
+ if (!col.isValid())
+ col = o.style()->color();
+ ts << col.name() << ")";
+ }
+ }
+
+ if (o.style()->borderLeft() != prevBorder) {
+ prevBorder = o.style()->borderLeft();
+ if (!box.borderLeft())
+ ts << " none";
+ else {
+ ts << " (" << box.borderLeft() << "px ";
+ printBorderStyle(ts, o.style()->borderLeftStyle());
+ Color col = o.style()->borderLeftColor();
+ if (!col.isValid())
+ col = o.style()->color();
+ ts << col.name() << ")";
+ }
+ }
+
+ ts << "]";
+ }
+ }
+
+ if (o.isTableCell()) {
+ const RenderTableCell& c = *toRenderTableCell(&o);
+ ts << " [r=" << c.row() << " c=" << c.col() << " rs=" << c.rowSpan() << " cs=" << c.colSpan() << "]";
+ }
+
+ if (o.isListMarker()) {
+ String text = toRenderListMarker(&o)->text();
+ if (!text.isEmpty()) {
+ if (text.length() != 1)
+ text = quoteAndEscapeNonPrintables(text);
+ else {
+ switch (text[0]) {
+ case bullet:
+ text = "bullet";
+ break;
+ case blackSquare:
+ text = "black square";
+ break;
+ case whiteBullet:
+ text = "white bullet";
+ break;
+ default:
+ text = quoteAndEscapeNonPrintables(text);
+ }
+ }
+ ts << ": " << text;
+ }
+ }
+
+ if (behavior & RenderAsTextShowIDAndClass) {
+ if (Node* node = o.node()) {
+ if (node->hasID())
+ ts << " id=\"" + static_cast<Element*>(node)->getIdAttribute() + "\"";
+
+ if (node->hasClass()) {
+ StyledElement* styledElement = static_cast<StyledElement*>(node);
+ String classes;
+ for (size_t i = 0; i < styledElement->classNames().size(); ++i) {
+ if (i > 0)
+ classes += " ";
+ classes += styledElement->classNames()[i];
+ }
+ ts << " class=\"" + classes + "\"";
+ }
+ }
+ }
+
+#if PLATFORM(QT)
+ // Print attributes of embedded QWidgets. E.g. when the WebCore::Widget
+ // is invisible the QWidget should be invisible too.
+ if (o.isRenderPart()) {
+ const RenderPart* part = toRenderPart(const_cast<RenderObject*>(&o));
+ if (part->widget() && part->widget()->platformWidget()) {
+ QWidget* wid = part->widget()->platformWidget();
+
+ ts << " [QT: ";
+ ts << "geometry: {" << wid->geometry() << "} ";
+ ts << "isHidden: " << wid->isHidden() << " ";
+ ts << "isSelfVisible: " << part->widget()->isSelfVisible() << " ";
+ ts << "isParentVisible: " << part->widget()->isParentVisible() << " ";
+ ts << "mask: {" << wid->mask().boundingRect() << "} ] ";
+ }
+ }
+#endif
+}
+
+static void writeTextRun(TextStream& ts, const RenderText& o, const InlineTextBox& run)
+{
+ // FIXME: Table cell adjustment is temporary until results can be updated.
+ int y = run.m_y;
+ if (o.containingBlock()->isTableCell())
+ y -= toRenderTableCell(o.containingBlock())->intrinsicPaddingTop();
+ ts << "text run at (" << run.m_x << "," << y << ") width " << run.m_width;
+ if (run.direction() == RTL || run.m_dirOverride) {
+ ts << (run.direction() == RTL ? " RTL" : " LTR");
+ if (run.m_dirOverride)
+ ts << " override";
+ }
+ ts << ": "
+ << quoteAndEscapeNonPrintables(String(o.text()).substring(run.start(), run.len()))
+ << "\n";
+}
+
+void write(TextStream& ts, const RenderObject& o, int indent, RenderAsTextBehavior behavior)
+{
+#if ENABLE(SVG)
+ if (o.isRenderPath()) {
+ write(ts, *toRenderPath(&o), indent);
+ return;
+ }
+ if (o.isSVGGradientStop()) {
+ writeSVGGradientStop(ts, *toRenderSVGGradientStop(&o), indent);
+ return;
+ }
+ if (o.isSVGResourceContainer()) {
+ writeSVGResourceContainer(ts, o, indent);
+ return;
+ }
+ if (o.isSVGContainer()) {
+ writeSVGContainer(ts, o, indent);
+ return;
+ }
+ if (o.isSVGRoot()) {
+ write(ts, *toRenderSVGRoot(&o), indent);
+ return;
+ }
+ if (o.isSVGText()) {
+ writeSVGText(ts, *toRenderBlock(&o), indent);
+ return;
+ }
+ if (o.isSVGInlineText()) {
+ writeSVGInlineText(ts, *toRenderText(&o), indent);
+ return;
+ }
+ if (o.isSVGImage()) {
+ writeSVGImage(ts, *toRenderImage(&o), indent);
+ return;
+ }
+#endif
+
+ writeIndent(ts, indent);
+
+ RenderTreeAsText::writeRenderObject(ts, o, behavior);
+ ts << "\n";
+
+ if (o.isText() && !o.isBR()) {
+ const RenderText& text = *toRenderText(&o);
+ for (InlineTextBox* box = text.firstTextBox(); box; box = box->nextTextBox()) {
+ writeIndent(ts, indent + 1);
+ writeTextRun(ts, text, *box);
+ }
+ }
+
+ for (RenderObject* child = o.firstChild(); child; child = child->nextSibling()) {
+ if (child->hasLayer())
+ continue;
+ write(ts, *child, indent + 1, behavior);
+ }
+
+ if (o.isWidget()) {
+ Widget* widget = toRenderWidget(&o)->widget();
+ if (widget && widget->isFrameView()) {
+ FrameView* view = static_cast<FrameView*>(widget);
+ RenderView* root = view->frame()->contentRenderer();
+ if (root) {
+ view->layout();
+ RenderLayer* l = root->layer();
+ if (l)
+ writeLayers(ts, l, l, IntRect(l->x(), l->y(), l->width(), l->height()), indent + 1, behavior);
+ }
+ }
+ }
+}
+
+enum LayerPaintPhase {
+ LayerPaintPhaseAll = 0,
+ LayerPaintPhaseBackground = -1,
+ LayerPaintPhaseForeground = 1
+};
+
+static void write(TextStream& ts, RenderLayer& l,
+ const IntRect& layerBounds, const IntRect& backgroundClipRect, const IntRect& clipRect, const IntRect& outlineClipRect,
+ LayerPaintPhase paintPhase = LayerPaintPhaseAll, int indent = 0, RenderAsTextBehavior behavior = RenderAsTextBehaviorNormal)
+{
+ writeIndent(ts, indent);
+
+ ts << "layer ";
+
+ if (behavior & RenderAsTextShowAddresses)
+ ts << static_cast<const void*>(&l) << " ";
+
+ ts << layerBounds;
+
+ if (!layerBounds.isEmpty()) {
+ if (!backgroundClipRect.contains(layerBounds))
+ ts << " backgroundClip " << backgroundClipRect;
+ if (!clipRect.contains(layerBounds))
+ ts << " clip " << clipRect;
+ if (!outlineClipRect.contains(layerBounds))
+ ts << " outlineClip " << outlineClipRect;
+ }
+
+ if (l.renderer()->hasOverflowClip()) {
+ if (l.scrollXOffset())
+ ts << " scrollX " << l.scrollXOffset();
+ if (l.scrollYOffset())
+ ts << " scrollY " << l.scrollYOffset();
+ if (l.renderBox() && l.renderBox()->clientWidth() != l.scrollWidth())
+ ts << " scrollWidth " << l.scrollWidth();
+ if (l.renderBox() && l.renderBox()->clientHeight() != l.scrollHeight())
+ ts << " scrollHeight " << l.scrollHeight();
+ }
+
+ if (paintPhase == LayerPaintPhaseBackground)
+ ts << " layerType: background only";
+ else if (paintPhase == LayerPaintPhaseForeground)
+ ts << " layerType: foreground only";
+
+#if USE(ACCELERATED_COMPOSITING)
+ if (behavior & RenderAsTextShowCompositedLayers) {
+ if (l.isComposited())
+ ts << " (composited, bounds " << l.backing()->compositedBounds() << ")";
+ }
+#else
+ UNUSED_PARAM(behavior);
+#endif
+
+ ts << "\n";
+
+ if (paintPhase != LayerPaintPhaseBackground)
+ write(ts, *l.renderer(), indent + 1, behavior);
+}
+
+static void writeLayers(TextStream& ts, const RenderLayer* rootLayer, RenderLayer* l,
+ const IntRect& paintDirtyRect, int indent, RenderAsTextBehavior behavior)
+{
+ // Calculate the clip rects we should use.
+ IntRect layerBounds, damageRect, clipRectToApply, outlineRect;
+ l->calculateRects(rootLayer, paintDirtyRect, layerBounds, damageRect, clipRectToApply, outlineRect, true);
+
+ // Ensure our lists are up-to-date.
+ l->updateZOrderLists();
+ l->updateNormalFlowList();
+
+ bool shouldPaint = (behavior & RenderAsTextShowAllLayers) ? true : l->intersectsDamageRect(layerBounds, damageRect, rootLayer);
+ Vector<RenderLayer*>* negList = l->negZOrderList();
+ bool paintsBackgroundSeparately = negList && negList->size() > 0;
+ if (shouldPaint && paintsBackgroundSeparately)
+ write(ts, *l, layerBounds, damageRect, clipRectToApply, outlineRect, LayerPaintPhaseBackground, indent, behavior);
+
+ if (negList) {
+ int currIndent = indent;
+ if (behavior & RenderAsTextShowLayerNesting) {
+ writeIndent(ts, indent);
+ ts << " negative z-order list(" << negList->size() << ")\n";
+ ++currIndent;
+ }
+ for (unsigned i = 0; i != negList->size(); ++i)
+ writeLayers(ts, rootLayer, negList->at(i), paintDirtyRect, currIndent, behavior);
+ }
+
+ if (shouldPaint)
+ write(ts, *l, layerBounds, damageRect, clipRectToApply, outlineRect, paintsBackgroundSeparately ? LayerPaintPhaseForeground : LayerPaintPhaseAll, indent, behavior);
+
+ if (Vector<RenderLayer*>* normalFlowList = l->normalFlowList()) {
+ int currIndent = indent;
+ if (behavior & RenderAsTextShowLayerNesting) {
+ writeIndent(ts, indent);
+ ts << " normal flow list(" << normalFlowList->size() << ")\n";
+ ++currIndent;
+ }
+ for (unsigned i = 0; i != normalFlowList->size(); ++i)
+ writeLayers(ts, rootLayer, normalFlowList->at(i), paintDirtyRect, currIndent, behavior);
+ }
+
+ if (Vector<RenderLayer*>* posList = l->posZOrderList()) {
+ int currIndent = indent;
+ if (behavior & RenderAsTextShowLayerNesting) {
+ writeIndent(ts, indent);
+ ts << " positive z-order list(" << posList->size() << ")\n";
+ ++currIndent;
+ }
+ for (unsigned i = 0; i != posList->size(); ++i)
+ writeLayers(ts, rootLayer, posList->at(i), paintDirtyRect, currIndent, behavior);
+ }
+}
+
+static String nodePosition(Node* node)
+{
+ String result;
+
+ Element* body = node->document()->body();
+ Node* parent;
+ for (Node* n = node; n; n = parent) {
+ parent = n->parentNode();
+ if (!parent)
+ parent = n->shadowParentNode();
+ if (n != node)
+ result += " of ";
+ if (parent) {
+ if (body && n == body) {
+ // We don't care what offset body may be in the document.
+ result += "body";
+ break;
+ }
+ result += "child " + String::number(n->nodeIndex()) + " {" + getTagName(n) + "}";
+ } else
+ result += "document";
+ }
+
+ return result;
+}
+
+static void writeSelection(TextStream& ts, const RenderObject* o)
+{
+ Node* n = o->node();
+ if (!n || !n->isDocumentNode())
+ return;
+
+ Document* doc = static_cast<Document*>(n);
+ Frame* frame = doc->frame();
+ if (!frame)
+ return;
+
+ VisibleSelection selection = frame->selection()->selection();
+ if (selection.isCaret()) {
+ ts << "caret: position " << selection.start().deprecatedEditingOffset() << " of " << nodePosition(selection.start().node());
+ if (selection.affinity() == UPSTREAM)
+ ts << " (upstream affinity)";
+ ts << "\n";
+ } else if (selection.isRange())
+ ts << "selection start: position " << selection.start().deprecatedEditingOffset() << " of " << nodePosition(selection.start().node()) << "\n"
+ << "selection end: position " << selection.end().deprecatedEditingOffset() << " of " << nodePosition(selection.end().node()) << "\n";
+}
+
+String externalRepresentation(Frame* frame, RenderAsTextBehavior behavior)
+{
+ PrintContext printContext(frame);
+ if (behavior & RenderAsTextPrintingMode) {
+ if (!frame->contentRenderer())
+ return String();
+ printContext.begin(frame->contentRenderer()->width());
+ }
+
+ frame->document()->updateLayout();
+
+ RenderObject* o = frame->contentRenderer();
+ if (!o)
+ return String();
+
+ TextStream ts;
+ if (o->hasLayer()) {
+ RenderLayer* l = toRenderBox(o)->layer();
+ writeLayers(ts, l, l, IntRect(l->x(), l->y(), l->width(), l->height()), 0, behavior);
+ writeSelection(ts, o);
+ }
+ return ts.release();
+}
+
+static void writeCounterValuesFromChildren(TextStream& stream, RenderObject* parent, bool& isFirstCounter)
+{
+ for (RenderObject* child = parent->firstChild(); child; child = child->nextSibling()) {
+ if (child->isCounter()) {
+ if (!isFirstCounter)
+ stream << " ";
+ isFirstCounter = false;
+ String str(toRenderText(child)->text());
+ stream << str;
+ }
+ }
+}
+
+String counterValueForElement(Element* element)
+{
+ // Make sure the element is not freed during the layout.
+ RefPtr<Element> elementRef(element);
+ element->document()->updateLayout();
+ TextStream stream;
+ bool isFirstCounter = true;
+ // The counter renderers should be children of anonymous children
+ // (i.e., :before or :after pseudo-elements).
+ if (RenderObject* renderer = element->renderer()) {
+ for (RenderObject* child = renderer->firstChild(); child; child = child->nextSibling()) {
+ if (child->isAnonymous())
+ writeCounterValuesFromChildren(stream, child, isFirstCounter);
+ }
+ }
+ return stream.release();
+}
+
+String markerTextForListItem(Element* element)
+{
+ // Make sure the element is not freed during the layout.
+ RefPtr<Element> elementRef(element);
+ element->document()->updateLayout();
+
+ RenderObject* renderer = element->renderer();
+ if (!renderer || !renderer->isListItem())
+ return String();
+
+ return toRenderListItem(renderer)->markerText();
+}
+
+} // namespace WebCore