diff options
Diffstat (limited to 'WebCore/html/HTMLElement.cpp')
| -rw-r--r-- | WebCore/html/HTMLElement.cpp | 354 |
1 files changed, 51 insertions, 303 deletions
diff --git a/WebCore/html/HTMLElement.cpp b/WebCore/html/HTMLElement.cpp index ff25e62..f40489b 100644 --- a/WebCore/html/HTMLElement.cpp +++ b/WebCore/html/HTMLElement.cpp @@ -61,68 +61,55 @@ PassRefPtr<HTMLElement> HTMLElement::create(const QualifiedName& tagName, Docume String HTMLElement::nodeName() const { - // FIXME: Would be nice to have an atomicstring lookup based off uppercase chars that does not have to copy - // the string on a hit in the hash. + // FIXME: Would be nice to have an atomicstring lookup based off uppercase + // chars that does not have to copy the string on a hit in the hash. // FIXME: We should have a way to detect XHTML elements and replace the hasPrefix() check with it. if (document()->isHTMLDocument() && !tagQName().hasPrefix()) return tagQName().localNameUpper(); return Element::nodeName(); } - -HTMLTagStatus HTMLElement::endTagRequirement() const -{ - if (hasLocalName(wbrTag)) - return TagStatusForbidden; - if (hasLocalName(dtTag) || hasLocalName(ddTag) || hasLocalName(rpTag) || hasLocalName(rtTag)) - return TagStatusOptional; - - // Same values as <span>. This way custom tag name elements will behave like inline spans. - return TagStatusRequired; -} -struct Empty1IntHashTraits : HashTraits<int> { - static const bool emptyValueIsZero = false; - static int emptyValue() { return 1; } -}; -typedef HashMap<AtomicStringImpl*, int, DefaultHash<AtomicStringImpl*>::Hash, HashTraits<AtomicStringImpl*>, Empty1IntHashTraits> TagPriorityMap; - -static const TagPriorityMap* createTagPriorityMap() -{ - TagPriorityMap* map = new TagPriorityMap; - - map->add(wbrTag.localName().impl(), 0); - - map->add(addressTag.localName().impl(), 3); - map->add(ddTag.localName().impl(), 3); - map->add(dtTag.localName().impl(), 3); - map->add(noscriptTag.localName().impl(), 3); - map->add(rpTag.localName().impl(), 3); - map->add(rtTag.localName().impl(), 3); - - // 5 is same as <div>'s priority. - map->add(articleTag.localName().impl(), 5); - map->add(asideTag.localName().impl(), 5); - map->add(centerTag.localName().impl(), 5); - map->add(footerTag.localName().impl(), 5); - map->add(headerTag.localName().impl(), 5); - map->add(hgroupTag.localName().impl(), 5); - map->add(nobrTag.localName().impl(), 5); - map->add(rubyTag.localName().impl(), 5); - map->add(navTag.localName().impl(), 5); - map->add(sectionTag.localName().impl(), 5); - - map->add(noembedTag.localName().impl(), 10); - map->add(noframesTag.localName().impl(), 10); - - // TagPriorityMap returns 1 for unregistered tags. It's same as <span>. - // This way custom tag name elements will behave like inline spans. - return map; -} - -int HTMLElement::tagPriority() const -{ - static const TagPriorityMap* tagPriorityMap = createTagPriorityMap(); - return tagPriorityMap->get(localName().impl()); +bool HTMLElement::ieForbidsInsertHTML() const +{ + // FIXME: Supposedly IE disallows settting innerHTML, outerHTML + // and createContextualFragment on these tags. We have no tests to + // verify this however, so this list could be totally wrong. + // This list was moved from the previous endTagRequirement() implementation. + // This is also called from editing and assumed to be the list of tags + // for which no end tag should be serialized. It's unclear if the list for + // IE compat and the list for serialization sanity are the same. + if (hasLocalName(areaTag) + || hasLocalName(baseTag) + || hasLocalName(basefontTag) + || hasLocalName(brTag) + || hasLocalName(colTag) +#if ENABLE(DATAGRID) + || hasLocalName(dcellTag) + || hasLocalName(dcolTag) +#endif + || hasLocalName(embedTag) + || hasLocalName(frameTag) + || hasLocalName(hrTag) + || hasLocalName(imageTag) + || hasLocalName(imgTag) + || hasLocalName(inputTag) + || hasLocalName(isindexTag) + || hasLocalName(linkTag) + || hasLocalName(metaTag) + || hasLocalName(paramTag) + || hasLocalName(sourceTag) + || hasLocalName(wbrTag)) + return true; + // FIXME: I'm not sure why dashboard mode would want to change the + // serialization of <canvas>, that seems like a bad idea. +#if ENABLE(DASHBOARD_SUPPORT) + if (hasLocalName(canvasTag)) { + Settings* settings = document()->settings(); + if (settings && settings->usesDashboardBackwardCompatibilityMode()) + return true; + } +#endif + return false; } bool HTMLElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const @@ -275,16 +262,16 @@ String HTMLElement::outerHTML() const return createMarkup(this); } -static bool useLegacyTreeBuilder(Document* document) +static bool useLegacyTreeBuilder(Document*) { - return !document || !document->settings() || !document->settings()->html5TreeBuilderEnabled(); + return false; } // FIXME: This logic should move into Range::createContextualFragment PassRefPtr<DocumentFragment> HTMLElement::deprecatedCreateContextualFragment(const String& markup, FragmentScriptingPermission scriptingPermission) { // The following is in accordance with the definition as used by IE. - if (endTagRequirement() == TagStatusForbidden) + if (ieForbidsInsertHTML()) return 0; if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) @@ -404,8 +391,7 @@ void HTMLElement::setOuterHTML(const String& html, ExceptionCode& ec) void HTMLElement::setInnerText(const String& text, ExceptionCode& ec) { - // Follow the IE specs about when this is allowed. - if (endTagRequirement() == TagStatusForbidden) { + if (ieForbidsInsertHTML()) { ec = NO_MODIFICATION_ALLOWED_ERR; return; } @@ -474,8 +460,7 @@ void HTMLElement::setInnerText(const String& text, ExceptionCode& ec) void HTMLElement::setOuterText(const String &text, ExceptionCode& ec) { - // Follow the IE specs about when this is allowed. - if (endTagRequirement() == TagStatusForbidden) { + if (ieForbidsInsertHTML()) { ec = NO_MODIFICATION_ALLOWED_ERR; return; } @@ -666,9 +651,9 @@ bool HTMLElement::isContentEditable() const if (document()->frame() && document()->frame()->isContentEditable()) return true; - // FIXME: this is a terrible thing to do here: - // https://bugs.webkit.org/show_bug.cgi?id=21834 - document()->updateStyleIfNeeded(); + // Ideally we'd call ASSERT!needsStyleRecalc()) here, but + // ContainerNode::setFocus() calls setNeedsStyleRecalc(), so the assertion + // would fire in the middle of Document::setFocusedNode(). if (!renderer()) { if (parentNode()) @@ -685,8 +670,6 @@ bool HTMLElement::isContentRichlyEditable() const if (document()->frame() && document()->frame()->isContentEditable()) return true; - document()->updateStyleIfNeeded(); - if (!renderer()) { if (parentNode()) return parentNode()->isContentEditable(); @@ -699,8 +682,6 @@ bool HTMLElement::isContentRichlyEditable() const String HTMLElement::contentEditable() const { - document()->updateStyleIfNeeded(); - if (!renderer()) return "false"; @@ -802,239 +783,6 @@ PassRefPtr<HTMLCollection> HTMLElement::children() return HTMLCollection::create(this, NodeChildren); } -// DOM Section 1.1.1 -bool HTMLElement::childAllowed(Node *newChild) -{ - if (!Element::childAllowed(newChild)) - return false; - - // For XML documents, we are non-validating and do not check against a DTD, even for HTML elements. - if (!document()->isHTMLDocument()) - return true; - - // Future-proof for XML content inside HTML documents (we may allow this some day). - if (newChild->isElementNode() && !newChild->isHTMLElement()) - return true; - - // Elements with forbidden tag status can never have children - if (endTagRequirement() == TagStatusForbidden) - return false; - - // Comment nodes are always allowed. - if (newChild->isCommentNode()) - return true; - - // Now call checkDTD. - return checkDTD(newChild); -} - -// DTD Stuff -// This unfortunate function is only needed when checking against the DTD. Other languages (like SVG) won't need this. -bool HTMLElement::isRecognizedTagName(const QualifiedName& tagName) -{ - DEFINE_STATIC_LOCAL(HashSet<AtomicStringImpl*>, tagList, ()); - if (tagList.isEmpty()) { - size_t tagCount = 0; - WebCore::QualifiedName** tags = HTMLNames::getHTMLTags(&tagCount); - for (size_t i = 0; i < tagCount; i++) { - if (*tags[i] == bgsoundTag - || *tags[i] == commandTag - || *tags[i] == detailsTag - || *tags[i] == figcaptionTag - || *tags[i] == figureTag - || *tags[i] == summaryTag - || *tags[i] == trackTag) { - // Even though we have atoms for these tags, we don't want to - // treat them as "recognized tags" for the purpose of parsing - // because that changes how we parse documents. - continue; - } - tagList.add(tags[i]->localName().impl()); - } - } - return tagList.contains(tagName.localName().impl()); -} - -// The terms inline and block are used here loosely. Don't make the mistake of assuming all inlines or all blocks -// need to be in these two lists. -static HashSet<AtomicStringImpl*>* inlineTagList() -{ - DEFINE_STATIC_LOCAL(HashSet<AtomicStringImpl*>, tagList, ()); - if (tagList.isEmpty()) { - tagList.add(ttTag.localName().impl()); - tagList.add(iTag.localName().impl()); - tagList.add(bTag.localName().impl()); - tagList.add(uTag.localName().impl()); - tagList.add(sTag.localName().impl()); - tagList.add(strikeTag.localName().impl()); - tagList.add(bigTag.localName().impl()); - tagList.add(smallTag.localName().impl()); - tagList.add(emTag.localName().impl()); - tagList.add(strongTag.localName().impl()); - tagList.add(dfnTag.localName().impl()); - tagList.add(codeTag.localName().impl()); - tagList.add(sampTag.localName().impl()); - tagList.add(kbdTag.localName().impl()); - tagList.add(varTag.localName().impl()); - tagList.add(citeTag.localName().impl()); - tagList.add(abbrTag.localName().impl()); - tagList.add(acronymTag.localName().impl()); - tagList.add(aTag.localName().impl()); - tagList.add(canvasTag.localName().impl()); - tagList.add(imgTag.localName().impl()); - tagList.add(appletTag.localName().impl()); - tagList.add(objectTag.localName().impl()); - tagList.add(embedTag.localName().impl()); - tagList.add(fontTag.localName().impl()); - tagList.add(basefontTag.localName().impl()); - tagList.add(brTag.localName().impl()); - tagList.add(scriptTag.localName().impl()); - tagList.add(styleTag.localName().impl()); - tagList.add(linkTag.localName().impl()); - tagList.add(mapTag.localName().impl()); - tagList.add(qTag.localName().impl()); - tagList.add(subTag.localName().impl()); - tagList.add(supTag.localName().impl()); - tagList.add(spanTag.localName().impl()); - tagList.add(bdoTag.localName().impl()); - tagList.add(iframeTag.localName().impl()); - tagList.add(inputTag.localName().impl()); - tagList.add(keygenTag.localName().impl()); - tagList.add(selectTag.localName().impl()); - tagList.add(datagridTag.localName().impl()); - tagList.add(textareaTag.localName().impl()); - tagList.add(labelTag.localName().impl()); - tagList.add(buttonTag.localName().impl()); - tagList.add(datalistTag.localName().impl()); - tagList.add(insTag.localName().impl()); - tagList.add(delTag.localName().impl()); - tagList.add(nobrTag.localName().impl()); - tagList.add(wbrTag.localName().impl()); -#if ENABLE(VIDEO) - tagList.add(audioTag.localName().impl()); - tagList.add(videoTag.localName().impl()); -#endif - tagList.add(rpTag.localName().impl()); - tagList.add(rtTag.localName().impl()); - tagList.add(rubyTag.localName().impl()); - tagList.add(progressTag.localName().impl()); - tagList.add(meterTag.localName().impl()); - tagList.add(markTag.localName().impl()); - } - return &tagList; -} - -static HashSet<AtomicStringImpl*>* blockTagList() -{ - DEFINE_STATIC_LOCAL(HashSet<AtomicStringImpl*>, tagList, ()); - if (tagList.isEmpty()) { - tagList.add(addressTag.localName().impl()); - tagList.add(articleTag.localName().impl()); - tagList.add(asideTag.localName().impl()); - tagList.add(blockquoteTag.localName().impl()); - tagList.add(centerTag.localName().impl()); - tagList.add(ddTag.localName().impl()); - tagList.add(dirTag.localName().impl()); - tagList.add(divTag.localName().impl()); - tagList.add(dlTag.localName().impl()); - tagList.add(dtTag.localName().impl()); - tagList.add(fieldsetTag.localName().impl()); - tagList.add(footerTag.localName().impl()); - tagList.add(formTag.localName().impl()); - tagList.add(h1Tag.localName().impl()); - tagList.add(h2Tag.localName().impl()); - tagList.add(h3Tag.localName().impl()); - tagList.add(h4Tag.localName().impl()); - tagList.add(h5Tag.localName().impl()); - tagList.add(h6Tag.localName().impl()); - tagList.add(headerTag.localName().impl()); - tagList.add(hgroupTag.localName().impl()); - tagList.add(hrTag.localName().impl()); - tagList.add(isindexTag.localName().impl()); - tagList.add(layerTag.localName().impl()); - tagList.add(liTag.localName().impl()); - tagList.add(listingTag.localName().impl()); - tagList.add(marqueeTag.localName().impl()); - tagList.add(menuTag.localName().impl()); - tagList.add(navTag.localName().impl()); - tagList.add(noembedTag.localName().impl()); - tagList.add(noframesTag.localName().impl()); - tagList.add(nolayerTag.localName().impl()); - tagList.add(noscriptTag.localName().impl()); - tagList.add(olTag.localName().impl()); - tagList.add(pTag.localName().impl()); - tagList.add(plaintextTag.localName().impl()); - tagList.add(preTag.localName().impl()); - tagList.add(sectionTag.localName().impl()); - tagList.add(tableTag.localName().impl()); - tagList.add(ulTag.localName().impl()); - tagList.add(xmpTag.localName().impl()); - } - return &tagList; -} - -bool HTMLElement::inEitherTagList(const Node* newChild) -{ - if (newChild->isTextNode()) - return true; - - if (newChild->isHTMLElement()) { - const HTMLElement* child = static_cast<const HTMLElement*>(newChild); - if (inlineTagList()->contains(child->tagQName().localName().impl())) { -#if PLATFORM(MAC) - if (child->tagQName().localName() == styleTag) { - // Leopard Mail doesn't expect <style> to be in the body of the document, so don't allow it in that case. - // See <rdar://problem/6621310> - Settings* settings = newChild->document() ? newChild->document()->settings() : 0; - if (settings && settings->needsLeopardMailQuirks()) - return false; - } -#endif - return true; - } - if (blockTagList()->contains(child->tagQName().localName().impl())) - return true; - return !isRecognizedTagName(child->tagQName()); // Accept custom html tags - } - - return false; -} - -bool HTMLElement::inInlineTagList(const Node* newChild) -{ - if (newChild->isTextNode()) - return true; - - if (newChild->isHTMLElement()) { - const HTMLElement* child = static_cast<const HTMLElement*>(newChild); - if (inlineTagList()->contains(child->tagQName().localName().impl())) - return true; - return !isRecognizedTagName(child->tagQName()); // Accept custom html tags - } - - return false; -} - -bool HTMLElement::inBlockTagList(const Node* newChild) -{ - if (newChild->isTextNode()) - return true; - - if (newChild->isHTMLElement()) { - const HTMLElement* child = static_cast<const HTMLElement*>(newChild); - return (blockTagList()->contains(child->tagQName().localName().impl())); - } - - return false; -} - -bool HTMLElement::checkDTD(const Node* newChild) -{ - if (hasLocalName(addressTag) && newChild->hasTagName(pTag)) - return true; - return inEitherTagList(newChild); -} - bool HTMLElement::rendererIsNeeded(RenderStyle *style) { #if !ENABLE(XHTMLMP) |