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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /WebCore/editing/markup.cpp
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'WebCore/editing/markup.cpp')
-rw-r--r--WebCore/editing/markup.cpp915
1 files changed, 0 insertions, 915 deletions
diff --git a/WebCore/editing/markup.cpp b/WebCore/editing/markup.cpp
deleted file mode 100644
index 4cbdcce..0000000
--- a/WebCore/editing/markup.cpp
+++ /dev/null
@@ -1,915 +0,0 @@
-/*
- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 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 "markup.h"
-
-#include "CDATASection.h"
-#include "CharacterNames.h"
-#include "CSSComputedStyleDeclaration.h"
-#include "CSSMutableStyleDeclaration.h"
-#include "CSSPrimitiveValue.h"
-#include "CSSProperty.h"
-#include "CSSPropertyNames.h"
-#include "CSSRule.h"
-#include "CSSRuleList.h"
-#include "CSSStyleRule.h"
-#include "CSSStyleSelector.h"
-#include "CSSValue.h"
-#include "CSSValueKeywords.h"
-#include "DeleteButtonController.h"
-#include "DocumentFragment.h"
-#include "DocumentType.h"
-#include "Editor.h"
-#include "Frame.h"
-#include "HTMLBodyElement.h"
-#include "HTMLElement.h"
-#include "HTMLNames.h"
-#include "KURL.h"
-#include "MarkupAccumulator.h"
-#include "Range.h"
-#include "TextIterator.h"
-#include "VisibleSelection.h"
-#include "XMLNSNames.h"
-#include "htmlediting.h"
-#include "visible_units.h"
-#include <wtf/StdLibExtras.h>
-
-using namespace std;
-
-namespace WebCore {
-
-using namespace HTMLNames;
-
-static bool propertyMissingOrEqualToNone(CSSStyleDeclaration*, int propertyID);
-
-class AttributeChange {
-public:
- AttributeChange()
- : m_name(nullAtom, nullAtom, nullAtom)
- {
- }
-
- AttributeChange(PassRefPtr<Element> element, const QualifiedName& name, const String& value)
- : m_element(element), m_name(name), m_value(value)
- {
- }
-
- void apply()
- {
- m_element->setAttribute(m_name, m_value);
- }
-
-private:
- RefPtr<Element> m_element;
- QualifiedName m_name;
- String m_value;
-};
-
-static void completeURLs(Node* node, const String& baseURL)
-{
- Vector<AttributeChange> changes;
-
- KURL parsedBaseURL(ParsedURLString, baseURL);
-
- Node* end = node->traverseNextSibling();
- for (Node* n = node; n != end; n = n->traverseNextNode()) {
- if (n->isElementNode()) {
- Element* e = static_cast<Element*>(n);
- NamedNodeMap* attributes = e->attributes();
- unsigned length = attributes->length();
- for (unsigned i = 0; i < length; i++) {
- Attribute* attribute = attributes->attributeItem(i);
- if (e->isURLAttribute(attribute))
- changes.append(AttributeChange(e, attribute->name(), KURL(parsedBaseURL, attribute->value()).string()));
- }
- }
- }
-
- size_t numChanges = changes.size();
- for (size_t i = 0; i < numChanges; ++i)
- changes[i].apply();
-}
-
-class StyledMarkupAccumulator : public MarkupAccumulator {
-public:
- enum RangeFullySelectsNode { DoesFullySelectNode, DoesNotFullySelectNode };
-
- StyledMarkupAccumulator(Vector<Node*>* nodes, EAbsoluteURLs shouldResolveURLs, EAnnotateForInterchange shouldAnnotate, const Range* range)
- : MarkupAccumulator(nodes, shouldResolveURLs, range)
- , m_shouldAnnotate(shouldAnnotate)
- {
- }
-
- Node* serializeNodes(Node* startNode, Node* pastEnd);
- void appendString(const String& s) { return MarkupAccumulator::appendString(s); }
- void wrapWithNode(Node*, bool convertBlocksToInlines = false, RangeFullySelectsNode = DoesFullySelectNode);
- void wrapWithStyleNode(CSSStyleDeclaration*, Document*, bool isBlock = false);
- String takeResults();
-
-private:
- virtual void appendText(Vector<UChar>& out, Text*);
- String renderedText(const Node*, const Range*);
- String stringValueForRange(const Node*, const Range*);
- void removeExteriorStyles(CSSMutableStyleDeclaration*);
- void appendElement(Vector<UChar>& out, Element* element, bool addDisplayInline, RangeFullySelectsNode);
- void appendElement(Vector<UChar>& out, Element* element, Namespaces*) { appendElement(out, element, false, DoesFullySelectNode); }
-
- bool shouldAnnotate() { return m_shouldAnnotate == AnnotateForInterchange; }
-
- Vector<String> m_reversedPrecedingMarkup;
- const EAnnotateForInterchange m_shouldAnnotate;
-};
-
-void StyledMarkupAccumulator::wrapWithNode(Node* node, bool convertBlocksToInlines, RangeFullySelectsNode rangeFullySelectsNode)
-{
- Vector<UChar> markup;
- if (node->isElementNode())
- appendElement(markup, static_cast<Element*>(node), convertBlocksToInlines && isBlock(const_cast<Node*>(node)), rangeFullySelectsNode);
- else
- appendStartMarkup(markup, node, 0);
- m_reversedPrecedingMarkup.append(String::adopt(markup));
- appendEndTag(node);
- if (m_nodes)
- m_nodes->append(node);
-}
-
-void StyledMarkupAccumulator::wrapWithStyleNode(CSSStyleDeclaration* style, Document* document, bool isBlock)
-{
- // All text-decoration-related elements should have been treated as special ancestors
- // If we ever hit this ASSERT, we should export StyleChange in ApplyStyleCommand and use it here
- ASSERT(propertyMissingOrEqualToNone(style, CSSPropertyTextDecoration) && propertyMissingOrEqualToNone(style, CSSPropertyWebkitTextDecorationsInEffect));
- DEFINE_STATIC_LOCAL(const String, divStyle, ("<div style=\""));
- DEFINE_STATIC_LOCAL(const String, divClose, ("</div>"));
- DEFINE_STATIC_LOCAL(const String, styleSpanOpen, ("<span class=\"" AppleStyleSpanClass "\" style=\""));
- DEFINE_STATIC_LOCAL(const String, styleSpanClose, ("</span>"));
- Vector<UChar> openTag;
- append(openTag, isBlock ? divStyle : styleSpanOpen);
- appendAttributeValue(openTag, style->cssText(), document->isHTMLDocument());
- openTag.append('\"');
- openTag.append('>');
- m_reversedPrecedingMarkup.append(String::adopt(openTag));
- appendString(isBlock ? divClose : styleSpanClose);
-}
-
-String StyledMarkupAccumulator::takeResults()
-{
- Vector<UChar> result;
- result.reserveInitialCapacity(totalLength(m_reversedPrecedingMarkup) + length());
-
- for (size_t i = m_reversedPrecedingMarkup.size(); i > 0; --i)
- append(result, m_reversedPrecedingMarkup[i - 1]);
-
- concatenateMarkup(result);
-
- return String::adopt(result);
-}
-
-void StyledMarkupAccumulator::appendText(Vector<UChar>& out, Text* text)
-{
- if (!shouldAnnotate() || (text->parentElement() && text->parentElement()->tagQName() == textareaTag)) {
- MarkupAccumulator::appendText(out, text);
- return;
- }
-
- bool useRenderedText = !enclosingNodeWithTag(Position(text, 0), selectTag);
- String content = useRenderedText ? renderedText(text, m_range) : stringValueForRange(text, m_range);
- Vector<UChar> buffer;
- appendCharactersReplacingEntities(buffer, content.characters(), content.length(), EntityMaskInPCDATA);
- append(out, convertHTMLTextToInterchangeFormat(String::adopt(buffer), text));
-}
-
-String StyledMarkupAccumulator::renderedText(const Node* node, const Range* range)
-{
- if (!node->isTextNode())
- return String();
-
- ExceptionCode ec;
- const Text* textNode = static_cast<const Text*>(node);
- unsigned startOffset = 0;
- unsigned endOffset = textNode->length();
-
- if (range && node == range->startContainer(ec))
- startOffset = range->startOffset(ec);
- if (range && node == range->endContainer(ec))
- endOffset = range->endOffset(ec);
-
- Position start(const_cast<Node*>(node), startOffset);
- Position end(const_cast<Node*>(node), endOffset);
- return plainText(Range::create(node->document(), start, end).get());
-}
-
-String StyledMarkupAccumulator::stringValueForRange(const Node* node, const Range* range)
-{
- if (!range)
- return node->nodeValue();
-
- String str = node->nodeValue();
- ExceptionCode ec;
- if (node == range->endContainer(ec))
- str.truncate(range->endOffset(ec));
- if (node == range->startContainer(ec))
- str.remove(0, range->startOffset(ec));
- return str;
-}
-
-static PassRefPtr<CSSMutableStyleDeclaration> styleFromMatchedRulesForElement(Element* element, bool authorOnly = true)
-{
- RefPtr<CSSMutableStyleDeclaration> style = CSSMutableStyleDeclaration::create();
- RefPtr<CSSRuleList> matchedRules = element->document()->styleSelector()->styleRulesForElement(element, authorOnly);
- if (matchedRules) {
- for (unsigned i = 0; i < matchedRules->length(); i++) {
- if (matchedRules->item(i)->type() == CSSRule::STYLE_RULE) {
- RefPtr<CSSMutableStyleDeclaration> s = static_cast<CSSStyleRule*>(matchedRules->item(i))->style();
- style->merge(s.get(), true);
- }
- }
- }
-
- return style.release();
-}
-
-void StyledMarkupAccumulator::appendElement(Vector<UChar>& out, Element* element, bool addDisplayInline, RangeFullySelectsNode rangeFullySelectsNode)
-{
- bool documentIsHTML = element->document()->isHTMLDocument();
- appendOpenTag(out, element, 0);
-
- NamedNodeMap* attributes = element->attributes();
- unsigned length = attributes->length();
- for (unsigned int i = 0; i < length; i++) {
- Attribute* attribute = attributes->attributeItem(i);
- // We'll handle the style attribute separately, below.
- if (attribute->name() == styleAttr && element->isHTMLElement() && (shouldAnnotate() || addDisplayInline))
- continue;
- appendAttribute(out, element, *attribute, 0);
- }
-
- if (element->isHTMLElement() && (shouldAnnotate() || addDisplayInline)) {
- RefPtr<CSSMutableStyleDeclaration> style = static_cast<HTMLElement*>(element)->getInlineStyleDecl()->copy();
- if (shouldAnnotate()) {
- RefPtr<CSSMutableStyleDeclaration> styleFromMatchedRules = styleFromMatchedRulesForElement(const_cast<Element*>(element));
- // Styles from the inline style declaration, held in the variable "style", take precedence
- // over those from matched rules.
- styleFromMatchedRules->merge(style.get());
- style = styleFromMatchedRules;
-
- RefPtr<CSSComputedStyleDeclaration> computedStyleForElement = computedStyle(element);
- RefPtr<CSSMutableStyleDeclaration> fromComputedStyle = CSSMutableStyleDeclaration::create();
-
- {
- CSSMutableStyleDeclaration::const_iterator end = style->end();
- for (CSSMutableStyleDeclaration::const_iterator it = style->begin(); it != end; ++it) {
- const CSSProperty& property = *it;
- CSSValue* value = property.value();
- // The property value, if it's a percentage, may not reflect the actual computed value.
- // For example: style="height: 1%; overflow: visible;" in quirksmode
- // FIXME: There are others like this, see <rdar://problem/5195123> Slashdot copy/paste fidelity problem
- if (value->cssValueType() == CSSValue::CSS_PRIMITIVE_VALUE)
- if (static_cast<CSSPrimitiveValue*>(value)->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
- if (RefPtr<CSSValue> computedPropertyValue = computedStyleForElement->getPropertyCSSValue(property.id()))
- fromComputedStyle->addParsedProperty(CSSProperty(property.id(), computedPropertyValue));
- }
- }
- style->merge(fromComputedStyle.get());
- }
- if (addDisplayInline)
- style->setProperty(CSSPropertyDisplay, CSSValueInline, true);
- // If the node is not fully selected by the range, then we don't want to keep styles that affect its relationship to the nodes around it
- // only the ones that affect it and the nodes within it.
- if (rangeFullySelectsNode == DoesNotFullySelectNode)
- removeExteriorStyles(style.get());
- if (style->length() > 0) {
- DEFINE_STATIC_LOCAL(const String, stylePrefix, (" style=\""));
- append(out, stylePrefix);
- appendAttributeValue(out, style->cssText(), documentIsHTML);
- out.append('\"');
- }
- }
-
- appendCloseTag(out, element);
-}
-
-void StyledMarkupAccumulator::removeExteriorStyles(CSSMutableStyleDeclaration* style)
-{
- style->removeProperty(CSSPropertyFloat);
-}
-
-Node* StyledMarkupAccumulator::serializeNodes(Node* startNode, Node* pastEnd)
-{
- Vector<Node*> ancestorsToClose;
- Node* next;
- Node* lastClosed = 0;
- for (Node* n = startNode; n != pastEnd; n = next) {
- // According to <rdar://problem/5730668>, it is possible for n to blow
- // past pastEnd and become null here. This shouldn't be possible.
- // This null check will prevent crashes (but create too much markup)
- // and the ASSERT will hopefully lead us to understanding the problem.
- ASSERT(n);
- if (!n)
- break;
-
- next = n->traverseNextNode();
- bool openedTag = false;
-
- if (isBlock(n) && canHaveChildrenForEditing(n) && next == pastEnd)
- // Don't write out empty block containers that aren't fully selected.
- continue;
-
- if (!n->renderer() && !enclosingNodeWithTag(Position(n, 0), selectTag)) {
- next = n->traverseNextSibling();
- // Don't skip over pastEnd.
- if (pastEnd && pastEnd->isDescendantOf(n))
- next = pastEnd;
- } else {
- // Add the node to the markup if we're not skipping the descendants
- appendStartTag(n);
-
- // If node has no children, close the tag now.
- if (!n->childNodeCount()) {
- appendEndTag(n);
- lastClosed = n;
- } else {
- openedTag = true;
- ancestorsToClose.append(n);
- }
- }
-
- // If we didn't insert open tag and there's no more siblings or we're at the end of the traversal, take care of ancestors.
- // FIXME: What happens if we just inserted open tag and reached the end?
- if (!openedTag && (!n->nextSibling() || next == pastEnd)) {
- // Close up the ancestors.
- while (!ancestorsToClose.isEmpty()) {
- Node* ancestor = ancestorsToClose.last();
- if (next != pastEnd && next->isDescendantOf(ancestor))
- break;
- // Not at the end of the range, close ancestors up to sibling of next node.
- appendEndTag(ancestor);
- lastClosed = ancestor;
- ancestorsToClose.removeLast();
- }
-
- // Surround the currently accumulated markup with markup for ancestors we never opened as we leave the subtree(s) rooted at those ancestors.
- ContainerNode* nextParent = next ? next->parentNode() : 0;
- if (next != pastEnd && n != nextParent) {
- Node* lastAncestorClosedOrSelf = n->isDescendantOf(lastClosed) ? lastClosed : n;
- for (ContainerNode* parent = lastAncestorClosedOrSelf->parentNode(); parent && parent != nextParent; parent = parent->parentNode()) {
- // All ancestors that aren't in the ancestorsToClose list should either be a) unrendered:
- if (!parent->renderer())
- continue;
- // or b) ancestors that we never encountered during a pre-order traversal starting at startNode:
- ASSERT(startNode->isDescendantOf(parent));
- wrapWithNode(parent);
- lastClosed = parent;
- }
- }
- }
- }
-
- return lastClosed;
-}
-
-static Node* ancestorToRetainStructureAndAppearance(Node* commonAncestor)
-{
- Node* commonAncestorBlock = enclosingBlock(commonAncestor);
-
- if (!commonAncestorBlock)
- return 0;
-
- if (commonAncestorBlock->hasTagName(tbodyTag) || commonAncestorBlock->hasTagName(trTag)) {
- ContainerNode* table = commonAncestorBlock->parentNode();
- while (table && !table->hasTagName(tableTag))
- table = table->parentNode();
-
- return table;
- }
-
- if (commonAncestorBlock->hasTagName(listingTag)
- || commonAncestorBlock->hasTagName(olTag)
- || commonAncestorBlock->hasTagName(preTag)
- || commonAncestorBlock->hasTagName(tableTag)
- || commonAncestorBlock->hasTagName(ulTag)
- || commonAncestorBlock->hasTagName(xmpTag)
- || commonAncestorBlock->hasTagName(h1Tag)
- || commonAncestorBlock->hasTagName(h2Tag)
- || commonAncestorBlock->hasTagName(h3Tag)
- || commonAncestorBlock->hasTagName(h4Tag)
- || commonAncestorBlock->hasTagName(h5Tag))
- return commonAncestorBlock;
-
- return 0;
-}
-
-static bool propertyMissingOrEqualToNone(CSSStyleDeclaration* style, int propertyID)
-{
- if (!style)
- return false;
- RefPtr<CSSValue> value = style->getPropertyCSSValue(propertyID);
- if (!value)
- return true;
- if (!value->isPrimitiveValue())
- return false;
- return static_cast<CSSPrimitiveValue*>(value.get())->getIdent() == CSSValueNone;
-}
-
-static bool needInterchangeNewlineAfter(const VisiblePosition& v)
-{
- VisiblePosition next = v.next();
- Node* upstreamNode = next.deepEquivalent().upstream().node();
- Node* downstreamNode = v.deepEquivalent().downstream().node();
- // Add an interchange newline if a paragraph break is selected and a br won't already be added to the markup to represent it.
- return isEndOfParagraph(v) && isStartOfParagraph(next) && !(upstreamNode->hasTagName(brTag) && upstreamNode == downstreamNode);
-}
-
-static PassRefPtr<CSSMutableStyleDeclaration> styleFromMatchedRulesAndInlineDecl(const Node* node)
-{
- if (!node->isHTMLElement())
- return 0;
-
- // FIXME: Having to const_cast here is ugly, but it is quite a bit of work to untangle
- // the non-const-ness of styleFromMatchedRulesForElement.
- HTMLElement* element = const_cast<HTMLElement*>(static_cast<const HTMLElement*>(node));
- RefPtr<CSSMutableStyleDeclaration> style = styleFromMatchedRulesForElement(element);
- RefPtr<CSSMutableStyleDeclaration> inlineStyleDecl = element->getInlineStyleDecl();
- style->merge(inlineStyleDecl.get());
- return style.release();
-}
-
-static bool isElementPresentational(const Node* node)
-{
- if (node->hasTagName(uTag) || node->hasTagName(sTag) || node->hasTagName(strikeTag)
- || node->hasTagName(iTag) || node->hasTagName(emTag) || node->hasTagName(bTag) || node->hasTagName(strongTag))
- return true;
- RefPtr<CSSMutableStyleDeclaration> style = styleFromMatchedRulesAndInlineDecl(node);
- if (!style)
- return false;
- return !propertyMissingOrEqualToNone(style.get(), CSSPropertyTextDecoration);
-}
-
-static bool shouldIncludeWrapperForFullySelectedRoot(Node* fullySelectedRoot, CSSMutableStyleDeclaration* style)
-{
- if (fullySelectedRoot->isElementNode() && static_cast<Element*>(fullySelectedRoot)->hasAttribute(backgroundAttr))
- return true;
-
- return style->getPropertyCSSValue(CSSPropertyBackgroundImage) || style->getPropertyCSSValue(CSSPropertyBackgroundColor);
-}
-
-static Node* highestAncestorToWrapMarkup(const Range* range, Node* fullySelectedRoot, EAnnotateForInterchange shouldAnnotate)
-{
- ExceptionCode ec;
- Node* commonAncestor = range->commonAncestorContainer(ec);
- ASSERT(commonAncestor);
- Node* specialCommonAncestor = 0;
- if (shouldAnnotate == AnnotateForInterchange) {
- // Include ancestors that aren't completely inside the range but are required to retain
- // the structure and appearance of the copied markup.
- specialCommonAncestor = ancestorToRetainStructureAndAppearance(commonAncestor);
-
- // Retain the Mail quote level by including all ancestor mail block quotes.
- for (Node* ancestor = range->firstNode(); ancestor; ancestor = ancestor->parentNode()) {
- if (isMailBlockquote(ancestor))
- specialCommonAncestor = ancestor;
- }
- }
-
- Node* checkAncestor = specialCommonAncestor ? specialCommonAncestor : commonAncestor;
- if (checkAncestor->renderer()) {
- Node* newSpecialCommonAncestor = highestEnclosingNodeOfType(Position(checkAncestor, 0), &isElementPresentational);
- if (newSpecialCommonAncestor)
- specialCommonAncestor = newSpecialCommonAncestor;
- }
-
- // If a single tab is selected, commonAncestor will be a text node inside a tab span.
- // If two or more tabs are selected, commonAncestor will be the tab span.
- // In either case, if there is a specialCommonAncestor already, it will necessarily be above
- // any tab span that needs to be included.
- if (!specialCommonAncestor && isTabSpanTextNode(commonAncestor))
- specialCommonAncestor = commonAncestor->parentNode();
- if (!specialCommonAncestor && isTabSpanNode(commonAncestor))
- specialCommonAncestor = commonAncestor;
-
- if (Node *enclosingAnchor = enclosingNodeWithTag(Position(specialCommonAncestor ? specialCommonAncestor : commonAncestor, 0), aTag))
- specialCommonAncestor = enclosingAnchor;
-
- if (shouldAnnotate == AnnotateForInterchange && fullySelectedRoot) {
- RefPtr<CSSMutableStyleDeclaration> fullySelectedRootStyle = styleFromMatchedRulesAndInlineDecl(fullySelectedRoot);
- if (shouldIncludeWrapperForFullySelectedRoot(fullySelectedRoot, fullySelectedRootStyle.get()))
- specialCommonAncestor = fullySelectedRoot;
- }
- return specialCommonAncestor;
-}
-
-// 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()
-String createMarkup(const Range* range, Vector<Node*>* nodes, EAnnotateForInterchange shouldAnnotate, bool convertBlocksToInlines, EAbsoluteURLs shouldResolveURLs)
-{
- DEFINE_STATIC_LOCAL(const String, interchangeNewlineString, ("<br class=\"" AppleInterchangeNewline "\">"));
-
- if (!range)
- return "";
-
- Document* document = range->ownerDocument();
- if (!document)
- return "";
-
- // Disable the delete button so it's elements are not serialized into the markup,
- // but make sure neither endpoint is inside the delete user interface.
- Frame* frame = document->frame();
- DeleteButtonController* deleteButton = frame ? frame->editor()->deleteButtonController() : 0;
- RefPtr<Range> updatedRange = avoidIntersectionWithNode(range, deleteButton ? deleteButton->containerElement() : 0);
- if (!updatedRange)
- return "";
-
- if (deleteButton)
- deleteButton->disable();
-
- ExceptionCode ec = 0;
- bool collapsed = updatedRange->collapsed(ec);
- ASSERT(!ec);
- if (collapsed)
- return "";
- Node* commonAncestor = updatedRange->commonAncestorContainer(ec);
- ASSERT(!ec);
- if (!commonAncestor)
- return "";
-
- document->updateLayoutIgnorePendingStylesheets();
-
- StyledMarkupAccumulator accumulator(nodes, shouldResolveURLs, shouldAnnotate, updatedRange.get());
- 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()) {
- if (deleteButton)
- deleteButton->enable();
- return interchangeNewlineString;
- }
-
- accumulator.appendString(interchangeNewlineString);
- startNode = visibleStart.next().deepEquivalent().node();
-
- if (pastEnd && Range::compareBoundaryPoints(startNode, 0, pastEnd, 0) >= 0) {
- if (deleteButton)
- deleteButton->enable();
- return interchangeNewlineString;
- }
- }
-
- Node* body = enclosingNodeWithTag(Position(commonAncestor, 0), 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.get(), fullySelectedRoot, shouldAnnotate);
-
- 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<CSSMutableStyleDeclaration> 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->getPropertyCSSValue(CSSPropertyBackgroundImage) && static_cast<Element*>(fullySelectedRoot)->hasAttribute(backgroundAttr))
- fullySelectedRootStyle->setProperty(CSSPropertyBackgroundImage, "url('" + static_cast<Element*>(fullySelectedRoot)->getAttribute(backgroundAttr) + "')");
-
- if (fullySelectedRootStyle->length()) {
- // 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.get(), CSSPropertyTextDecoration))
- fullySelectedRootStyle->setProperty(CSSPropertyTextDecoration, CSSValueNone);
- if (!propertyMissingOrEqualToNone(fullySelectedRootStyle.get(), CSSPropertyWebkitTextDecorationsInEffect))
- fullySelectedRootStyle->setProperty(CSSPropertyWebkitTextDecorationsInEffect, CSSValueNone);
- accumulator.wrapWithStyleNode(fullySelectedRootStyle.get(), 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;
- }
- }
-
- // Add a wrapper span with the styles that all of the nodes in the markup inherit.
- ContainerNode* parentOfLastClosed = lastClosed ? lastClosed->parentNode() : 0;
- if (parentOfLastClosed && parentOfLastClosed->renderer()) {
- RefPtr<EditingStyle> style = EditingStyle::create(parentOfLastClosed);
-
- // Styles that Mail blockquotes contribute should only be placed on the Mail blockquote, to help
- // us differentiate those styles from ones that the user has applied. This helps us
- // get the color of content pasted into blockquotes right.
- style->removeStyleAddedByNode(nearestMailBlockquote(parentOfLastClosed));
-
- // Document default styles will be added on another wrapper span.
- if (document && document->documentElement())
- style->prepareToApplyAt(firstPositionInNode(document->documentElement()));
-
- // Since we are converting blocks to inlines, remove any inherited block properties that are in the style.
- // This cuts out meaningless properties and prevents properties from magically affecting blocks later
- // if the style is cloned for a new block element during a future editing operation.
- if (convertBlocksToInlines)
- style->removeBlockProperties();
-
- if (!style->isEmpty())
- accumulator.wrapWithStyleNode(style->style(), document);
- }
-
- if (lastClosed && lastClosed != document->documentElement()) {
- // Add a style span with the document's default styles. We add these in a separate
- // span so that at paste time we can differentiate between document defaults and user
- // applied styles.
- RefPtr<EditingStyle> defaultStyle = EditingStyle::create(document->documentElement());
- if (!defaultStyle->isEmpty())
- accumulator.wrapWithStyleNode(defaultStyle->style(), document);
- }
-
- // 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);
-
- if (deleteButton)
- deleteButton->enable();
-
- return accumulator.takeResults();
-}
-
-PassRefPtr<DocumentFragment> createFragmentFromMarkup(Document* document, const String& markup, const String& baseURL, FragmentScriptingPermission scriptingPermission)
-{
- // We use a fake body element here to trick the HTML parser to using the
- // InBody insertion mode. Really, all this code is wrong and need to be
- // changed not to use deprecatedCreateContextualFragment.
- RefPtr<HTMLBodyElement> fakeBody = HTMLBodyElement::create(document);
- // FIXME: This should not use deprecatedCreateContextualFragment
- RefPtr<DocumentFragment> fragment = fakeBody->deprecatedCreateContextualFragment(markup, scriptingPermission);
-
- if (fragment && !baseURL.isEmpty() && baseURL != blankURL() && baseURL != document->baseURL())
- completeURLs(fragment.get(), baseURL);
-
- return fragment.release();
-}
-
-String createMarkup(const Node* node, EChildrenOnly childrenOnly, Vector<Node*>* nodes, EAbsoluteURLs shouldResolveURLs)
-{
- if (!node)
- return "";
-
- HTMLElement* deleteButtonContainerElement = 0;
- if (Frame* frame = node->document()->frame()) {
- deleteButtonContainerElement = frame->editor()->deleteButtonController()->containerElement();
- if (node->isDescendantOf(deleteButtonContainerElement))
- return "";
- }
-
- MarkupAccumulator accumulator(nodes, shouldResolveURLs);
- return accumulator.serializeNodes(const_cast<Node*>(node), deleteButtonContainerElement, childrenOnly);
-}
-
-static void fillContainerFromString(ContainerNode* paragraph, const String& string)
-{
- Document* document = paragraph->document();
-
- ExceptionCode ec = 0;
- if (string.isEmpty()) {
- paragraph->appendChild(createBlockPlaceholderElement(document), ec);
- ASSERT(!ec);
- return;
- }
-
- ASSERT(string.find('\n') == notFound);
-
- Vector<String> tabList;
- string.split('\t', true, tabList);
- String tabText = "";
- bool first = true;
- size_t numEntries = tabList.size();
- for (size_t i = 0; i < numEntries; ++i) {
- const String& s = tabList[i];
-
- // append the non-tab textual part
- if (!s.isEmpty()) {
- if (!tabText.isEmpty()) {
- paragraph->appendChild(createTabSpanElement(document, tabText), ec);
- ASSERT(!ec);
- tabText = "";
- }
- RefPtr<Node> textNode = document->createTextNode(stringWithRebalancedWhitespace(s, first, i + 1 == numEntries));
- paragraph->appendChild(textNode.release(), ec);
- ASSERT(!ec);
- }
-
- // there is a tab after every entry, except the last entry
- // (if the last character is a tab, the list gets an extra empty entry)
- if (i + 1 != numEntries)
- tabText.append('\t');
- else if (!tabText.isEmpty()) {
- paragraph->appendChild(createTabSpanElement(document, tabText), ec);
- ASSERT(!ec);
- }
-
- first = false;
- }
-}
-
-bool isPlainTextMarkup(Node *node)
-{
- if (!node->isElementNode() || !node->hasTagName(divTag) || static_cast<Element*>(node)->attributes()->length())
- return false;
-
- if (node->childNodeCount() == 1 && (node->firstChild()->isTextNode() || (node->firstChild()->firstChild())))
- return true;
-
- return (node->childNodeCount() == 2 && isTabSpanTextNode(node->firstChild()->firstChild()) && node->firstChild()->nextSibling()->isTextNode());
-}
-
-PassRefPtr<DocumentFragment> createFragmentFromText(Range* context, const String& text)
-{
- if (!context)
- return 0;
-
- Node* styleNode = context->firstNode();
- if (!styleNode) {
- styleNode = context->startPosition().node();
- if (!styleNode)
- return 0;
- }
-
- Document* document = styleNode->document();
- RefPtr<DocumentFragment> fragment = document->createDocumentFragment();
-
- if (text.isEmpty())
- return fragment.release();
-
- String string = text;
- string.replace("\r\n", "\n");
- string.replace('\r', '\n');
-
- ExceptionCode ec = 0;
- RenderObject* renderer = styleNode->renderer();
- if (renderer && renderer->style()->preserveNewline()) {
- fragment->appendChild(document->createTextNode(string), ec);
- ASSERT(!ec);
- if (string.endsWith("\n")) {
- RefPtr<Element> element = createBreakElement(document);
- element->setAttribute(classAttr, AppleInterchangeNewline);
- fragment->appendChild(element.release(), ec);
- ASSERT(!ec);
- }
- return fragment.release();
- }
-
- // A string with no newlines gets added inline, rather than being put into a paragraph.
- if (string.find('\n') == notFound) {
- fillContainerFromString(fragment.get(), string);
- return fragment.release();
- }
-
- // Break string into paragraphs. Extra line breaks turn into empty paragraphs.
- Node* blockNode = enclosingBlock(context->firstNode());
- Element* block = static_cast<Element*>(blockNode);
- bool useClonesOfEnclosingBlock = blockNode
- && blockNode->isElementNode()
- && !block->hasTagName(bodyTag)
- && !block->hasTagName(htmlTag)
- && block != editableRootForPosition(context->startPosition());
-
- Vector<String> list;
- string.split('\n', true, list); // true gets us empty strings in the list
- size_t numLines = list.size();
- for (size_t i = 0; i < numLines; ++i) {
- const String& s = list[i];
-
- RefPtr<Element> element;
- if (s.isEmpty() && i + 1 == numLines) {
- // For last line, use the "magic BR" rather than a P.
- element = createBreakElement(document);
- element->setAttribute(classAttr, AppleInterchangeNewline);
- } else {
- if (useClonesOfEnclosingBlock)
- element = block->cloneElementWithoutChildren();
- else
- element = createDefaultParagraphElement(document);
- fillContainerFromString(element.get(), s);
- }
- fragment->appendChild(element.release(), ec);
- ASSERT(!ec);
- }
- return fragment.release();
-}
-
-PassRefPtr<DocumentFragment> createFragmentFromNodes(Document *document, const Vector<Node*>& nodes)
-{
- if (!document)
- return 0;
-
- // disable the delete button so it's elements are not serialized into the markup
- if (document->frame())
- document->frame()->editor()->deleteButtonController()->disable();
-
- RefPtr<DocumentFragment> fragment = document->createDocumentFragment();
-
- ExceptionCode ec = 0;
- size_t size = nodes.size();
- for (size_t i = 0; i < size; ++i) {
- RefPtr<Element> element = createDefaultParagraphElement(document);
- element->appendChild(nodes[i], ec);
- ASSERT(!ec);
- fragment->appendChild(element.release(), ec);
- ASSERT(!ec);
- }
-
- if (document->frame())
- document->frame()->editor()->deleteButtonController()->enable();
-
- return fragment.release();
-}
-
-String createFullMarkup(const Node* node)
-{
- if (!node)
- return String();
-
- Document* document = node->document();
- if (!document)
- return String();
-
- Frame* frame = document->frame();
- if (!frame)
- return String();
-
- // FIXME: This is never "for interchange". Is that right?
- String markupString = createMarkup(node, IncludeNode, 0);
- Node::NodeType nodeType = node->nodeType();
- if (nodeType != Node::DOCUMENT_NODE && nodeType != Node::DOCUMENT_TYPE_NODE)
- markupString = frame->documentTypeString() + markupString;
-
- return markupString;
-}
-
-String createFullMarkup(const Range* range)
-{
- if (!range)
- return String();
-
- Node* node = range->startContainer();
- if (!node)
- return String();
-
- Document* document = node->document();
- if (!document)
- return String();
-
- Frame* frame = document->frame();
- if (!frame)
- return String();
-
- // FIXME: This is always "for interchange". Is that right? See the previous method.
- return frame->documentTypeString() + createMarkup(range, 0, AnnotateForInterchange);
-}
-
-String urlToMarkup(const KURL& url, const String& title)
-{
- Vector<UChar> markup;
- append(markup, "<a href=\"");
- append(markup, url.string());
- append(markup, "\">");
- appendCharactersReplacingEntities(markup, title.characters(), title.length(), EntityMaskInPCDATA);
- append(markup, "</a>");
- return String::adopt(markup);
-}
-
-}