DocumentFragment* createFragmentFromMarkupWithContext(
Document& document,
const String& markup,
unsigned fragmentStart,
unsigned fragmentEnd,
const String& baseURL,
ParserContentPolicy parserContentPolicy) {
// FIXME: Need to handle the case where the markup already contains these
// markers.
StringBuilder taggedMarkup;
taggedMarkup.append(markup.left(fragmentStart));
MarkupFormatter::appendComment(taggedMarkup, fragmentMarkerTag);
taggedMarkup.append(
markup.substring(fragmentStart, fragmentEnd - fragmentStart));
MarkupFormatter::appendComment(taggedMarkup, fragmentMarkerTag);
taggedMarkup.append(markup.substring(fragmentEnd));
DocumentFragment* taggedFragment = createFragmentFromMarkup(
document, taggedMarkup.toString(), baseURL, parserContentPolicy);
Comment* nodeBeforeContext = nullptr;
Comment* nodeAfterContext = nullptr;
if (!findNodesSurroundingContext(taggedFragment, nodeBeforeContext,
nodeAfterContext))
return nullptr;
Document* taggedDocument = Document::create();
taggedDocument->setContextFeatures(document.contextFeatures());
Element* root = Element::create(QualifiedName::null(), taggedDocument);
root->appendChild(taggedFragment);
taggedDocument->appendChild(root);
Range* range = Range::create(
*taggedDocument,
Position::afterNode(nodeBeforeContext).parentAnchoredEquivalent(),
Position::beforeNode(nodeAfterContext).parentAnchoredEquivalent());
Node* commonAncestor = range->commonAncestorContainer();
HTMLElement* specialCommonAncestor =
ancestorToRetainStructureAndAppearanceWithNoLayoutObject(commonAncestor);
// When there's a special common ancestor outside of the fragment, we must
// include it as well to preserve the structure and appearance of the
// fragment. For example, if the fragment contains TD, we need to include the
// enclosing TABLE tag as well.
DocumentFragment* fragment = DocumentFragment::create(document);
if (specialCommonAncestor)
fragment->appendChild(specialCommonAncestor);
else
fragment->parserTakeAllChildrenFrom(toContainerNode(*commonAncestor));
trimFragment(fragment, nodeBeforeContext, nodeAfterContext);
return fragment;
}
JSValue* JSRange::getValueProperty(ExecState* exec, int token) const
{
switch (token) {
case StartContainerAttrNum: {
ExceptionCode ec = 0;
Range* imp = static_cast<Range*>(impl());
KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->startContainer(ec)));
setDOMException(exec, ec);
return result;
}
case StartOffsetAttrNum: {
ExceptionCode ec = 0;
Range* imp = static_cast<Range*>(impl());
KJS::JSValue* result = jsNumber(imp->startOffset(ec));
setDOMException(exec, ec);
return result;
}
case EndContainerAttrNum: {
ExceptionCode ec = 0;
Range* imp = static_cast<Range*>(impl());
KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->endContainer(ec)));
setDOMException(exec, ec);
return result;
}
case EndOffsetAttrNum: {
ExceptionCode ec = 0;
Range* imp = static_cast<Range*>(impl());
KJS::JSValue* result = jsNumber(imp->endOffset(ec));
setDOMException(exec, ec);
return result;
}
case CollapsedAttrNum: {
ExceptionCode ec = 0;
Range* imp = static_cast<Range*>(impl());
KJS::JSValue* result = jsBoolean(imp->collapsed(ec));
setDOMException(exec, ec);
return result;
}
case CommonAncestorContainerAttrNum: {
ExceptionCode ec = 0;
Range* imp = static_cast<Range*>(impl());
KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->commonAncestorContainer(ec)));
setDOMException(exec, ec);
return result;
}
case ConstructorAttrNum:
return getConstructor(exec);
}
return 0;
}
// FIXME: Shouldn't we omit style info when annotate == DoNotAnnotateForInterchange?
// FIXME: At least, annotation and style info should probably not be included in range.markupString()
static String createMarkupInternal(Document& document, const Range& range, const Range& updatedRange, Vector<Node*>* nodes,
EAnnotateForInterchange shouldAnnotate, bool convertBlocksToInlines, EAbsoluteURLs shouldResolveURLs)
{
DEFINE_STATIC_LOCAL(const String, interchangeNewlineString, (ASCIILiteral("<br class=\"" AppleInterchangeNewline "\">")));
bool collapsed = updatedRange.collapsed(ASSERT_NO_EXCEPTION);
if (collapsed)
return emptyString();
Node* commonAncestor = updatedRange.commonAncestorContainer(ASSERT_NO_EXCEPTION);
if (!commonAncestor)
return emptyString();
document.updateLayoutIgnorePendingStylesheets();
Node* body = enclosingNodeWithTag(firstPositionInNode(commonAncestor), bodyTag);
Node* fullySelectedRoot = 0;
// FIXME: Do this for all fully selected blocks, not just the body.
if (body && areRangesEqual(VisibleSelection::selectionFromContentsOfNode(body).toNormalizedRange().get(), &range))
fullySelectedRoot = body;
Node* specialCommonAncestor = highestAncestorToWrapMarkup(&updatedRange, shouldAnnotate);
StyledMarkupAccumulator accumulator(nodes, shouldResolveURLs, shouldAnnotate, &updatedRange, specialCommonAncestor);
Node* pastEnd = updatedRange.pastLastNode();
Node* startNode = updatedRange.firstNode();
VisiblePosition visibleStart(updatedRange.startPosition(), VP_DEFAULT_AFFINITY);
VisiblePosition visibleEnd(updatedRange.endPosition(), VP_DEFAULT_AFFINITY);
if (shouldAnnotate == AnnotateForInterchange && needInterchangeNewlineAfter(visibleStart)) {
if (visibleStart == visibleEnd.previous())
return interchangeNewlineString;
accumulator.appendString(interchangeNewlineString);
startNode = visibleStart.next().deepEquivalent().deprecatedNode();
if (pastEnd && Range::compareBoundaryPoints(startNode, 0, pastEnd, 0, ASSERT_NO_EXCEPTION) >= 0)
return interchangeNewlineString;
}
Node* lastClosed = accumulator.serializeNodes(startNode, pastEnd);
if (specialCommonAncestor && lastClosed) {
// Also include all of the ancestors of lastClosed up to this special ancestor.
for (ContainerNode* ancestor = lastClosed->parentNode(); ancestor; ancestor = ancestor->parentNode()) {
if (ancestor == fullySelectedRoot && !convertBlocksToInlines) {
RefPtr<EditingStyle> fullySelectedRootStyle = styleFromMatchedRulesAndInlineDecl(fullySelectedRoot);
// Bring the background attribute over, but not as an attribute because a background attribute on a div
// appears to have no effect.
if ((!fullySelectedRootStyle || !fullySelectedRootStyle->style() || !fullySelectedRootStyle->style()->getPropertyCSSValue(CSSPropertyBackgroundImage))
&& toElement(fullySelectedRoot)->hasAttribute(backgroundAttr))
fullySelectedRootStyle->style()->setProperty(CSSPropertyBackgroundImage, "url('" + toElement(fullySelectedRoot)->getAttribute(backgroundAttr) + "')");
if (fullySelectedRootStyle->style()) {
// Reset the CSS properties to avoid an assertion error in addStyleMarkup().
// This assertion is caused at least when we select all text of a <body> element whose
// 'text-decoration' property is "inherit", and copy it.
if (!propertyMissingOrEqualToNone(fullySelectedRootStyle->style(), CSSPropertyTextDecoration))
fullySelectedRootStyle->style()->setProperty(CSSPropertyTextDecoration, CSSValueNone);
if (!propertyMissingOrEqualToNone(fullySelectedRootStyle->style(), CSSPropertyWebkitTextDecorationsInEffect))
fullySelectedRootStyle->style()->setProperty(CSSPropertyWebkitTextDecorationsInEffect, CSSValueNone);
accumulator.wrapWithStyleNode(fullySelectedRootStyle->style(), document, true);
}
} else {
// Since this node and all the other ancestors are not in the selection we want to set RangeFullySelectsNode to DoesNotFullySelectNode
// so that styles that affect the exterior of the node are not included.
accumulator.wrapWithNode(*ancestor, convertBlocksToInlines, StyledMarkupAccumulator::DoesNotFullySelectNode);
}
if (nodes)
nodes->append(ancestor);
lastClosed = ancestor;
if (ancestor == specialCommonAncestor)
break;
}
}
// FIXME: The interchange newline should be placed in the block that it's in, not after all of the content, unconditionally.
if (shouldAnnotate == AnnotateForInterchange && needInterchangeNewlineAfter(visibleEnd.previous()))
accumulator.appendString(interchangeNewlineString);
return accumulator.takeResults();
}