| /* |
| * Copyright (C) 1997 Martin Jones (mjones@kde.org) |
| * (C) 1997 Torben Weis (weis@kde.org) |
| * (C) 1998 Waldo Bastian (bastian@kde.org) |
| * (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2010, 2011 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| #include "HTMLTableElement.h" |
| |
| #include "CSSImageValue.h" |
| #include "CSSPropertyNames.h" |
| #include "CSSValueKeywords.h" |
| #include "CSSValuePool.h" |
| #include "ElementChildIterator.h" |
| #include "GenericCachedHTMLCollection.h" |
| #include "HTMLNames.h" |
| #include "HTMLParserIdioms.h" |
| #include "HTMLTableCaptionElement.h" |
| #include "HTMLTableRowElement.h" |
| #include "HTMLTableRowsCollection.h" |
| #include "HTMLTableSectionElement.h" |
| #include "NodeRareData.h" |
| #include "RenderTable.h" |
| #include "StyleProperties.h" |
| #include <wtf/IsoMallocInlines.h> |
| #include <wtf/Ref.h> |
| |
| namespace WebCore { |
| |
| WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLTableElement); |
| |
| using namespace HTMLNames; |
| |
| HTMLTableElement::HTMLTableElement(const QualifiedName& tagName, Document& document) |
| : HTMLElement(tagName, document) |
| { |
| ASSERT(hasTagName(tableTag)); |
| } |
| |
| Ref<HTMLTableElement> HTMLTableElement::create(Document& document) |
| { |
| return adoptRef(*new HTMLTableElement(tableTag, document)); |
| } |
| |
| Ref<HTMLTableElement> HTMLTableElement::create(const QualifiedName& tagName, Document& document) |
| { |
| return adoptRef(*new HTMLTableElement(tagName, document)); |
| } |
| |
| RefPtr<HTMLTableCaptionElement> HTMLTableElement::caption() const |
| { |
| return childrenOfType<HTMLTableCaptionElement>(const_cast<HTMLTableElement&>(*this)).first(); |
| } |
| |
| ExceptionOr<void> HTMLTableElement::setCaption(RefPtr<HTMLTableCaptionElement>&& newCaption) |
| { |
| deleteCaption(); |
| if (!newCaption) |
| return { }; |
| return insertBefore(*newCaption, firstChild()); |
| } |
| |
| RefPtr<HTMLTableSectionElement> HTMLTableElement::tHead() const |
| { |
| for (RefPtr<Node> child = firstChild(); child; child = child->nextSibling()) { |
| if (child->hasTagName(theadTag)) |
| return downcast<HTMLTableSectionElement>(child.get()); |
| } |
| return nullptr; |
| } |
| |
| ExceptionOr<void> HTMLTableElement::setTHead(RefPtr<HTMLTableSectionElement>&& newHead) |
| { |
| if (UNLIKELY(newHead && !newHead->hasTagName(theadTag))) |
| return Exception { HierarchyRequestError }; |
| |
| deleteTHead(); |
| if (!newHead) |
| return { }; |
| |
| RefPtr<Node> child; |
| for (child = firstChild(); child; child = child->nextSibling()) { |
| if (child->isElementNode() && !child->hasTagName(captionTag) && !child->hasTagName(colgroupTag)) |
| break; |
| } |
| |
| return insertBefore(*newHead, child.get()); |
| } |
| |
| RefPtr<HTMLTableSectionElement> HTMLTableElement::tFoot() const |
| { |
| for (RefPtr<Node> child = firstChild(); child; child = child->nextSibling()) { |
| if (child->hasTagName(tfootTag)) |
| return downcast<HTMLTableSectionElement>(child.get()); |
| } |
| return nullptr; |
| } |
| |
| ExceptionOr<void> HTMLTableElement::setTFoot(RefPtr<HTMLTableSectionElement>&& newFoot) |
| { |
| if (UNLIKELY(newFoot && !newFoot->hasTagName(tfootTag))) |
| return Exception { HierarchyRequestError }; |
| deleteTFoot(); |
| if (!newFoot) |
| return { }; |
| return appendChild(*newFoot); |
| } |
| |
| Ref<HTMLTableSectionElement> HTMLTableElement::createTHead() |
| { |
| if (auto existingHead = tHead()) |
| return existingHead.releaseNonNull(); |
| auto head = HTMLTableSectionElement::create(theadTag, document()); |
| setTHead(head.copyRef()); |
| return head; |
| } |
| |
| void HTMLTableElement::deleteTHead() |
| { |
| if (auto head = tHead()) |
| removeChild(*head); |
| } |
| |
| Ref<HTMLTableSectionElement> HTMLTableElement::createTFoot() |
| { |
| if (auto existingFoot = tFoot()) |
| return existingFoot.releaseNonNull(); |
| auto foot = HTMLTableSectionElement::create(tfootTag, document()); |
| setTFoot(foot.copyRef()); |
| return foot; |
| } |
| |
| void HTMLTableElement::deleteTFoot() |
| { |
| if (auto foot = tFoot()) |
| removeChild(*foot); |
| } |
| |
| Ref<HTMLTableSectionElement> HTMLTableElement::createTBody() |
| { |
| auto body = HTMLTableSectionElement::create(tbodyTag, document()); |
| RefPtr<Node> referenceElement = lastBody() ? lastBody()->nextSibling() : nullptr; |
| insertBefore(body, referenceElement.get()); |
| return body; |
| } |
| |
| Ref<HTMLTableCaptionElement> HTMLTableElement::createCaption() |
| { |
| if (auto existingCaption = caption()) |
| return existingCaption.releaseNonNull(); |
| auto caption = HTMLTableCaptionElement::create(captionTag, document()); |
| setCaption(caption.copyRef()); |
| return caption; |
| } |
| |
| void HTMLTableElement::deleteCaption() |
| { |
| if (auto caption = this->caption()) |
| removeChild(*caption); |
| } |
| |
| HTMLTableSectionElement* HTMLTableElement::lastBody() const |
| { |
| for (RefPtr<Node> child = lastChild(); child; child = child->previousSibling()) { |
| if (child->hasTagName(tbodyTag)) |
| return downcast<HTMLTableSectionElement>(child.get()); |
| } |
| return nullptr; |
| } |
| |
| ExceptionOr<Ref<HTMLElement>> HTMLTableElement::insertRow(int index) |
| { |
| if (index < -1) |
| return Exception { IndexSizeError }; |
| |
| Ref<HTMLTableElement> protectedThis(*this); |
| |
| RefPtr<HTMLTableRowElement> lastRow; |
| RefPtr<HTMLTableRowElement> row; |
| if (index == -1) |
| lastRow = HTMLTableRowsCollection::lastRow(*this); |
| else { |
| for (int i = 0; i <= index; ++i) { |
| row = HTMLTableRowsCollection::rowAfter(*this, lastRow.get()); |
| if (!row) { |
| if (i != index) |
| return Exception { IndexSizeError }; |
| break; |
| } |
| lastRow = row; |
| } |
| } |
| |
| RefPtr<ContainerNode> parent; |
| if (lastRow) |
| parent = row ? row->parentNode() : lastRow->parentNode(); |
| else { |
| parent = lastBody(); |
| if (!parent) { |
| auto newBody = HTMLTableSectionElement::create(tbodyTag, document()); |
| auto newRow = HTMLTableRowElement::create(document()); |
| newBody->appendChild(newRow); |
| // FIXME: Why ignore the exception if the first appendChild failed? |
| auto result = appendChild(newBody); |
| if (result.hasException()) |
| return result.releaseException(); |
| return Ref<HTMLElement> { WTFMove(newRow) }; |
| } |
| } |
| |
| auto newRow = HTMLTableRowElement::create(document()); |
| auto result = parent->insertBefore(newRow, row.get()); |
| if (result.hasException()) |
| return result.releaseException(); |
| return Ref<HTMLElement> { WTFMove(newRow) }; |
| } |
| |
| ExceptionOr<void> HTMLTableElement::deleteRow(int index) |
| { |
| RefPtr<HTMLTableRowElement> row; |
| if (index == -1) { |
| row = HTMLTableRowsCollection::lastRow(*this); |
| if (!row) |
| return { }; |
| } else { |
| for (int i = 0; i <= index; ++i) { |
| row = HTMLTableRowsCollection::rowAfter(*this, row.get()); |
| if (!row) |
| break; |
| } |
| if (!row) |
| return Exception { IndexSizeError }; |
| } |
| return row->remove(); |
| } |
| |
| static inline bool isTableCellAncestor(const Element& element) |
| { |
| return element.hasTagName(theadTag) |
| || element.hasTagName(tbodyTag) |
| || element.hasTagName(tfootTag) |
| || element.hasTagName(trTag) |
| || element.hasTagName(thTag); |
| } |
| |
| static bool setTableCellsChanged(Element& element) |
| { |
| bool cellChanged = false; |
| |
| if (element.hasTagName(tdTag)) |
| cellChanged = true; |
| else if (isTableCellAncestor(element)) { |
| for (auto& child : childrenOfType<Element>(element)) |
| cellChanged |= setTableCellsChanged(child); |
| } |
| |
| if (cellChanged) |
| element.invalidateStyleForSubtree(); |
| |
| return cellChanged; |
| } |
| |
| static bool getBordersFromFrameAttributeValue(const AtomString& value, bool& borderTop, bool& borderRight, bool& borderBottom, bool& borderLeft) |
| { |
| borderTop = false; |
| borderRight = false; |
| borderBottom = false; |
| borderLeft = false; |
| |
| if (equalLettersIgnoringASCIICase(value, "above")) |
| borderTop = true; |
| else if (equalLettersIgnoringASCIICase(value, "below")) |
| borderBottom = true; |
| else if (equalLettersIgnoringASCIICase(value, "hsides")) |
| borderTop = borderBottom = true; |
| else if (equalLettersIgnoringASCIICase(value, "vsides")) |
| borderLeft = borderRight = true; |
| else if (equalLettersIgnoringASCIICase(value, "lhs")) |
| borderLeft = true; |
| else if (equalLettersIgnoringASCIICase(value, "rhs")) |
| borderRight = true; |
| else if (equalLettersIgnoringASCIICase(value, "box") || equalLettersIgnoringASCIICase(value, "border")) |
| borderTop = borderBottom = borderLeft = borderRight = true; |
| else if (!equalLettersIgnoringASCIICase(value, "void")) |
| return false; |
| return true; |
| } |
| |
| void HTMLTableElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style) |
| { |
| if (name == widthAttr) |
| addHTMLLengthToStyle(style, CSSPropertyWidth, value); |
| else if (name == heightAttr) |
| addHTMLLengthToStyle(style, CSSPropertyHeight, value); |
| else if (name == borderAttr) |
| addPropertyToPresentationalHintStyle(style, CSSPropertyBorderWidth, parseBorderWidthAttribute(value), CSSUnitType::CSS_PX); |
| else if (name == bordercolorAttr) { |
| if (!value.isEmpty()) |
| addHTMLColorToStyle(style, CSSPropertyBorderColor, value); |
| } else if (name == bgcolorAttr) |
| addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value); |
| else if (name == backgroundAttr) { |
| String url = stripLeadingAndTrailingHTMLSpaces(value); |
| if (!url.isEmpty()) |
| style.setProperty(CSSProperty(CSSPropertyBackgroundImage, CSSImageValue::create(document().completeURL(url), LoadedFromOpaqueSource::No))); |
| } else if (name == valignAttr) { |
| if (!value.isEmpty()) |
| addPropertyToPresentationalHintStyle(style, CSSPropertyVerticalAlign, value); |
| } else if (name == cellspacingAttr) { |
| if (!value.isEmpty()) |
| addHTMLPixelsToStyle(style, CSSPropertyBorderSpacing, value); |
| } else if (name == vspaceAttr) { |
| addHTMLLengthToStyle(style, CSSPropertyMarginTop, value); |
| addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value); |
| } else if (name == hspaceAttr) { |
| addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value); |
| addHTMLLengthToStyle(style, CSSPropertyMarginRight, value); |
| } else if (name == alignAttr) { |
| if (!value.isEmpty()) { |
| if (equalLettersIgnoringASCIICase(value, "center")) { |
| addPropertyToPresentationalHintStyle(style, CSSPropertyMarginInlineStart, CSSValueAuto); |
| addPropertyToPresentationalHintStyle(style, CSSPropertyMarginInlineEnd, CSSValueAuto); |
| } else |
| addPropertyToPresentationalHintStyle(style, CSSPropertyFloat, value); |
| } |
| } else if (name == rulesAttr) { |
| // The presence of a valid rules attribute causes border collapsing to be enabled. |
| if (m_rulesAttr != UnsetRules) |
| addPropertyToPresentationalHintStyle(style, CSSPropertyBorderCollapse, CSSValueCollapse); |
| } else if (name == frameAttr) { |
| bool borderTop; |
| bool borderRight; |
| bool borderBottom; |
| bool borderLeft; |
| if (getBordersFromFrameAttributeValue(value, borderTop, borderRight, borderBottom, borderLeft)) { |
| addPropertyToPresentationalHintStyle(style, CSSPropertyBorderWidth, CSSValueThin); |
| addPropertyToPresentationalHintStyle(style, CSSPropertyBorderTopStyle, borderTop ? CSSValueSolid : CSSValueHidden); |
| addPropertyToPresentationalHintStyle(style, CSSPropertyBorderBottomStyle, borderBottom ? CSSValueSolid : CSSValueHidden); |
| addPropertyToPresentationalHintStyle(style, CSSPropertyBorderLeftStyle, borderLeft ? CSSValueSolid : CSSValueHidden); |
| addPropertyToPresentationalHintStyle(style, CSSPropertyBorderRightStyle, borderRight ? CSSValueSolid : CSSValueHidden); |
| } |
| } else |
| HTMLElement::collectPresentationalHintsForAttribute(name, value, style); |
| } |
| |
| bool HTMLTableElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const |
| { |
| if (name == widthAttr || name == heightAttr || name == bgcolorAttr || name == backgroundAttr || name == valignAttr || name == vspaceAttr || name == hspaceAttr || name == cellspacingAttr || name == borderAttr || name == bordercolorAttr || name == frameAttr || name == rulesAttr) |
| return true; |
| return HTMLElement::hasPresentationalHintsForAttribute(name); |
| } |
| |
| void HTMLTableElement::parseAttribute(const QualifiedName& name, const AtomString& value) |
| { |
| CellBorders bordersBefore = cellBorders(); |
| unsigned short oldPadding = m_padding; |
| |
| if (name == borderAttr) { |
| // FIXME: This attribute is a mess. |
| m_borderAttr = parseBorderWidthAttribute(value); |
| } else if (name == bordercolorAttr) { |
| m_borderColorAttr = !value.isEmpty(); |
| } else if (name == frameAttr) { |
| // FIXME: This attribute is a mess. |
| bool borderTop; |
| bool borderRight; |
| bool borderBottom; |
| bool borderLeft; |
| m_frameAttr = getBordersFromFrameAttributeValue(value, borderTop, borderRight, borderBottom, borderLeft); |
| } else if (name == rulesAttr) { |
| m_rulesAttr = UnsetRules; |
| if (equalLettersIgnoringASCIICase(value, "none")) |
| m_rulesAttr = NoneRules; |
| else if (equalLettersIgnoringASCIICase(value, "groups")) |
| m_rulesAttr = GroupsRules; |
| else if (equalLettersIgnoringASCIICase(value, "rows")) |
| m_rulesAttr = RowsRules; |
| else if (equalLettersIgnoringASCIICase(value, "cols")) |
| m_rulesAttr = ColsRules; |
| else if (equalLettersIgnoringASCIICase(value, "all")) |
| m_rulesAttr = AllRules; |
| } else if (name == cellpaddingAttr) { |
| if (!value.isEmpty()) |
| m_padding = std::max(0, parseHTMLInteger(value).value_or(0)); |
| else |
| m_padding = 1; |
| } else if (name == colsAttr) { |
| // ### |
| } else |
| HTMLElement::parseAttribute(name, value); |
| |
| if (bordersBefore != cellBorders() || oldPadding != m_padding) { |
| m_sharedCellStyle = nullptr; |
| bool cellChanged = false; |
| for (auto& child : childrenOfType<Element>(*this)) |
| cellChanged |= setTableCellsChanged(child); |
| if (cellChanged) |
| invalidateStyleForSubtree(); |
| } |
| } |
| |
| static StyleProperties* leakBorderStyle(CSSValueID value) |
| { |
| auto style = MutableStyleProperties::create(); |
| style->setProperty(CSSPropertyBorderTopStyle, value); |
| style->setProperty(CSSPropertyBorderBottomStyle, value); |
| style->setProperty(CSSPropertyBorderLeftStyle, value); |
| style->setProperty(CSSPropertyBorderRightStyle, value); |
| return &style.leakRef(); |
| } |
| |
| const StyleProperties* HTMLTableElement::additionalPresentationalHintStyle() const |
| { |
| if (m_frameAttr) |
| return 0; |
| |
| if (!m_borderAttr && !m_borderColorAttr) { |
| // Setting the border to 'hidden' allows it to win over any border |
| // set on the table's cells during border-conflict resolution. |
| if (m_rulesAttr != UnsetRules) { |
| static StyleProperties* solidBorderStyle = leakBorderStyle(CSSValueHidden); |
| return solidBorderStyle; |
| } |
| return 0; |
| } |
| |
| if (m_borderColorAttr) { |
| static StyleProperties* solidBorderStyle = leakBorderStyle(CSSValueSolid); |
| return solidBorderStyle; |
| } |
| static StyleProperties* outsetBorderStyle = leakBorderStyle(CSSValueOutset); |
| return outsetBorderStyle; |
| } |
| |
| HTMLTableElement::CellBorders HTMLTableElement::cellBorders() const |
| { |
| switch (m_rulesAttr) { |
| case NoneRules: |
| case GroupsRules: |
| return NoBorders; |
| case AllRules: |
| return SolidBorders; |
| case ColsRules: |
| return SolidBordersColsOnly; |
| case RowsRules: |
| return SolidBordersRowsOnly; |
| case UnsetRules: |
| if (!m_borderAttr) |
| return NoBorders; |
| if (m_borderColorAttr) |
| return SolidBorders; |
| return InsetBorders; |
| } |
| ASSERT_NOT_REACHED(); |
| return NoBorders; |
| } |
| |
| Ref<StyleProperties> HTMLTableElement::createSharedCellStyle() const |
| { |
| auto style = MutableStyleProperties::create(); |
| |
| auto& cssValuePool = CSSValuePool::singleton(); |
| switch (cellBorders()) { |
| case SolidBordersColsOnly: |
| style->setProperty(CSSPropertyBorderLeftWidth, CSSValueThin); |
| style->setProperty(CSSPropertyBorderRightWidth, CSSValueThin); |
| style->setProperty(CSSPropertyBorderLeftStyle, CSSValueSolid); |
| style->setProperty(CSSPropertyBorderRightStyle, CSSValueSolid); |
| style->setProperty(CSSPropertyBorderColor, cssValuePool.createInheritedValue()); |
| break; |
| case SolidBordersRowsOnly: |
| style->setProperty(CSSPropertyBorderTopWidth, CSSValueThin); |
| style->setProperty(CSSPropertyBorderBottomWidth, CSSValueThin); |
| style->setProperty(CSSPropertyBorderTopStyle, CSSValueSolid); |
| style->setProperty(CSSPropertyBorderBottomStyle, CSSValueSolid); |
| style->setProperty(CSSPropertyBorderColor, cssValuePool.createInheritedValue()); |
| break; |
| case SolidBorders: |
| style->setProperty(CSSPropertyBorderWidth, cssValuePool.createValue(1, CSSUnitType::CSS_PX)); |
| style->setProperty(CSSPropertyBorderStyle, cssValuePool.createIdentifierValue(CSSValueSolid)); |
| style->setProperty(CSSPropertyBorderColor, cssValuePool.createInheritedValue()); |
| break; |
| case InsetBorders: |
| style->setProperty(CSSPropertyBorderWidth, cssValuePool.createValue(1, CSSUnitType::CSS_PX)); |
| style->setProperty(CSSPropertyBorderStyle, cssValuePool.createIdentifierValue(CSSValueInset)); |
| style->setProperty(CSSPropertyBorderColor, cssValuePool.createInheritedValue()); |
| break; |
| case NoBorders: |
| // If 'rules=none' then allow any borders set at cell level to take effect. |
| break; |
| } |
| |
| if (m_padding) |
| style->setProperty(CSSPropertyPadding, cssValuePool.createValue(m_padding, CSSUnitType::CSS_PX)); |
| |
| return style; |
| } |
| |
| const StyleProperties* HTMLTableElement::additionalCellStyle() const |
| { |
| if (!m_sharedCellStyle) |
| m_sharedCellStyle = createSharedCellStyle(); |
| return m_sharedCellStyle.get(); |
| } |
| |
| static StyleProperties* leakGroupBorderStyle(int rows) |
| { |
| auto style = MutableStyleProperties::create(); |
| if (rows) { |
| style->setProperty(CSSPropertyBorderTopWidth, CSSValueThin); |
| style->setProperty(CSSPropertyBorderBottomWidth, CSSValueThin); |
| style->setProperty(CSSPropertyBorderTopStyle, CSSValueSolid); |
| style->setProperty(CSSPropertyBorderBottomStyle, CSSValueSolid); |
| } else { |
| style->setProperty(CSSPropertyBorderLeftWidth, CSSValueThin); |
| style->setProperty(CSSPropertyBorderRightWidth, CSSValueThin); |
| style->setProperty(CSSPropertyBorderLeftStyle, CSSValueSolid); |
| style->setProperty(CSSPropertyBorderRightStyle, CSSValueSolid); |
| } |
| return &style.leakRef(); |
| } |
| |
| const StyleProperties* HTMLTableElement::additionalGroupStyle(bool rows) const |
| { |
| if (m_rulesAttr != GroupsRules) |
| return nullptr; |
| if (rows) { |
| static StyleProperties* rowBorderStyle = leakGroupBorderStyle(true); |
| return rowBorderStyle; |
| } |
| static StyleProperties* columnBorderStyle = leakGroupBorderStyle(false); |
| return columnBorderStyle; |
| } |
| |
| bool HTMLTableElement::isURLAttribute(const Attribute& attribute) const |
| { |
| return attribute.name() == backgroundAttr || HTMLElement::isURLAttribute(attribute); |
| } |
| |
| Ref<HTMLCollection> HTMLTableElement::rows() |
| { |
| return ensureRareData().ensureNodeLists().addCachedCollection<HTMLTableRowsCollection>(*this, TableRows); |
| } |
| |
| Ref<HTMLCollection> HTMLTableElement::tBodies() |
| { |
| return ensureRareData().ensureNodeLists().addCachedCollection<GenericCachedHTMLCollection<CollectionTypeTraits<TableTBodies>::traversalType>>(*this, TableTBodies); |
| } |
| |
| const AtomString& HTMLTableElement::rules() const |
| { |
| return attributeWithoutSynchronization(rulesAttr); |
| } |
| |
| const AtomString& HTMLTableElement::summary() const |
| { |
| return attributeWithoutSynchronization(summaryAttr); |
| } |
| |
| void HTMLTableElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const |
| { |
| HTMLElement::addSubresourceAttributeURLs(urls); |
| |
| addSubresourceURL(urls, document().completeURL(attributeWithoutSynchronization(backgroundAttr))); |
| } |
| |
| } |
