| /* | |
| * 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 "CString.h" | |
| #include "Document.h" | |
| #include "Frame.h" | |
| #include "FrameView.h" | |
| #include "HTMLElement.h" | |
| #include "HTMLNames.h" | |
| #include "InlineTextBox.h" | |
| #include "RenderBR.h" | |
| #include "RenderFileUploadControl.h" | |
| #include "RenderInline.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 "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 | |
| static 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); | |
| } | |
| static TextStream &operator<<(TextStream& ts, const RenderObject& o) | |
| { | |
| ts << o.renderName(); | |
| 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 ts; | |
| 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 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 | |
| return ts; | |
| } | |
| 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) | |
| { | |
| #if ENABLE(SVG) | |
| if (o.isRenderPath()) { | |
| write(ts, *toRenderPath(&o), indent); | |
| return; | |
| } | |
| if (o.isSVGResource()) { | |
| writeSVGResource(ts, o, indent); | |
| return; | |
| } | |
| if (o.isSVGContainer()) { | |
| writeSVGContainer(ts, o, indent); | |
| return; | |
| } | |
| if (o.isSVGRoot()) { | |
| write(ts, *toRenderSVGRoot(&o), indent); | |
| return; | |
| } | |
| if (o.isSVGText()) { | |
| if (!o.isText()) | |
| writeSVGText(ts, *toRenderBlock(&o), indent); | |
| else | |
| writeSVGInlineText(ts, *toRenderText(&o), indent); | |
| return; | |
| } | |
| if (o.isSVGImage()) { | |
| writeSVGImage(ts, *toRenderImage(&o), indent); | |
| return; | |
| } | |
| #endif | |
| writeIndent(ts, indent); | |
| ts << o << "\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); | |
| } | |
| 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); | |
| } | |
| } | |
| } | |
| } | |
| 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 " << 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); | |
| } | |
| 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; | |
| Node* parent; | |
| for (Node* n = node; n; n = parent) { | |
| parent = n->parentNode(); | |
| if (!parent) | |
| parent = n->shadowParentNode(); | |
| if (n != node) | |
| result += " of "; | |
| if (parent) | |
| 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) | |
| { | |
| frame->document()->updateLayout(); | |
| RenderObject* o = frame->contentRenderer(); | |
| if (!o) | |
| return String(); | |
| TextStream ts; | |
| #if ENABLE(SVG) | |
| writeRenderResources(ts, o->document()); | |
| #endif | |
| 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(); | |
| } | |
| } // namespace WebCore |