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<title>[165761] trunk/Source/WebCore</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/165761">165761</a></dd>
<dt>Author</dt> <dd>rniwa@webkit.org</dd>
<dt>Date</dt> <dd>2014-03-17 14:36:43 -0700 (Mon, 17 Mar 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>[Mac] Rewrite WebHTMLConverter::_computedStringForNode in C++
https://bugs.webkit.org/show_bug.cgi?id=130274
Reviewed by Andreas Kling.
Rewrote WebHTMLConverter::_computedStringForNode as HTMLConverterCaches::propertyValueForNode.
* platform/mac/HTMLConverter.h: Removed unused caches.
* platform/mac/HTMLConverter.mm:
(HTMLConverterCaches::computedStylePropertyForElement): Added use const String& instead of String& on property name.
(HTMLConverterCaches::inlineStylePropertyForElement): Ditto.
(HTMLConverterCaches::propertyValueForNode): Renamed and rewritten from _computedStringForNode.
(-[WebHTMLConverter _stringForNode:property:]): Simply return the computed value instead of storing it in the cache
now that the computing the value is fast.
(-[WebHTMLConverter dealloc]):
(-[WebHTMLConverter init]):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformmacHTMLConverterh">trunk/Source/WebCore/platform/mac/HTMLConverter.h</a></li>
<li><a href="#trunkSourceWebCoreplatformmacHTMLConvertermm">trunk/Source/WebCore/platform/mac/HTMLConverter.mm</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (165760 => 165761)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2014-03-17 21:33:47 UTC (rev 165760)
+++ trunk/Source/WebCore/ChangeLog 2014-03-17 21:36:43 UTC (rev 165761)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2014-03-17 Ryosuke Niwa <rniwa@webkit.org>
+
+ [Mac] Rewrite WebHTMLConverter::_computedStringForNode in C++
+ https://bugs.webkit.org/show_bug.cgi?id=130274
+
+ Reviewed by Andreas Kling.
+
+ Rewrote WebHTMLConverter::_computedStringForNode as HTMLConverterCaches::propertyValueForNode.
+
+ * platform/mac/HTMLConverter.h: Removed unused caches.
+ * platform/mac/HTMLConverter.mm:
+ (HTMLConverterCaches::computedStylePropertyForElement): Added use const String& instead of String& on property name.
+ (HTMLConverterCaches::inlineStylePropertyForElement): Ditto.
+ (HTMLConverterCaches::propertyValueForNode): Renamed and rewritten from _computedStringForNode.
+ (-[WebHTMLConverter _stringForNode:property:]): Simply return the computed value instead of storing it in the cache
+ now that the computing the value is fast.
+ (-[WebHTMLConverter dealloc]):
+ (-[WebHTMLConverter init]):
+
</ins><span class="cx"> 2014-03-17 Andreas Kling <akling@apple.com>
</span><span class="cx">
</span><span class="cx"> Remove unnecessary JSC::Handle null checks in bindings code.
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformmacHTMLConverterh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mac/HTMLConverter.h (165760 => 165761)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mac/HTMLConverter.h 2014-03-17 21:33:47 UTC (rev 165760)
+++ trunk/Source/WebCore/platform/mac/HTMLConverter.h 2014-03-17 21:36:43 UTC (rev 165761)
</span><span class="lines">@@ -56,8 +56,6 @@
</span><span class="cx"> NSMutableArray *_textTableRows;
</span><span class="cx"> NSMutableArray *_textTableRowArrays;
</span><span class="cx"> NSMutableArray *_textTableRowBackgroundColors;
</span><del>- NSMutableDictionary *_specifiedStylesForElements;
- NSMutableDictionary *_stringsForNodes;
</del><span class="cx"> NSMutableDictionary *_floatsForNodes;
</span><span class="cx"> NSMutableDictionary *_colorsForNodes;
</span><span class="cx"> NSMutableDictionary *_attributesForElements;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformmacHTMLConvertermm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mac/HTMLConverter.mm (165760 => 165761)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mac/HTMLConverter.mm 2014-03-17 21:33:47 UTC (rev 165760)
+++ trunk/Source/WebCore/platform/mac/HTMLConverter.mm 2014-03-17 21:36:43 UTC (rev 165761)
</span><span class="lines">@@ -401,9 +401,11 @@
</span><span class="cx">
</span><span class="cx"> class HTMLConverterCaches {
</span><span class="cx"> public:
</span><del>- PassRefPtr<CSSValue> computedStylePropertyForElement(Element&, String&);
- PassRefPtr<CSSValue> inlineStylePropertyForElement(Element&, String&);
</del><ins>+ String propertyValueForNode(Node&, const String& propertyName);
</ins><span class="cx">
</span><ins>+ PassRefPtr<CSSValue> computedStylePropertyForElement(Element&, const String&);
+ PassRefPtr<CSSValue> inlineStylePropertyForElement(Element&, const String&);
+
</ins><span class="cx"> private:
</span><span class="cx"> HashMap<Element*, std::unique_ptr<ComputedStyleExtractor>> m_computedStyles;
</span><span class="cx"> };
</span><span class="lines">@@ -562,7 +564,7 @@
</span><span class="cx"> return array;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-PassRefPtr<CSSValue> HTMLConverterCaches::computedStylePropertyForElement(Element& element, String& propertyName)
</del><ins>+PassRefPtr<CSSValue> HTMLConverterCaches::computedStylePropertyForElement(Element& element, const String& propertyName)
</ins><span class="cx"> {
</span><span class="cx"> CSSPropertyID propetyId = cssPropertyID(propertyName);
</span><span class="cx"> if (propetyId == CSSPropertyInvalid)
</span><span class="lines">@@ -575,7 +577,7 @@
</span><span class="cx"> return computedStyle.propertyValue(propetyId);
</span><span class="cx"> }
</span><span class="cx">
</span><del>-PassRefPtr<CSSValue> HTMLConverterCaches::inlineStylePropertyForElement(Element& element, String& propertyName)
</del><ins>+PassRefPtr<CSSValue> HTMLConverterCaches::inlineStylePropertyForElement(Element& element, const String& propertyName)
</ins><span class="cx"> {
</span><span class="cx"> CSSPropertyID propetyId = cssPropertyID(propertyName);
</span><span class="cx"> if (propetyId == CSSPropertyInvalid || !element.isStyledElement())
</span><span class="lines">@@ -605,131 +607,132 @@
</span><span class="cx"> return false;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-- (NSString *)_computedStringForNode:(DOMNode *)node property:(NSString *)key
</del><ins>+String HTMLConverterCaches::propertyValueForNode(Node& node, const String& propertyName)
</ins><span class="cx"> {
</span><del>- bool haveResult = false;
- String result;
- bool inherit = true;
- Node* coreNode = core(node);
- if (coreNode && coreNode->isElementNode()) {
- Element& element = toElement(*coreNode);
- String propertyName = key;
- inherit = false;
- if (!haveResult) {
- if (RefPtr<CSSValue> value = _caches->computedStylePropertyForElement(element, propertyName))
- haveResult = stringFromCSSValue(*value, result);
- }
- if (!haveResult) {
- if (RefPtr<CSSValue> value = _caches->computedStylePropertyForElement(element, propertyName)) {
- if (value->isInheritedValue())
- inherit = true;
- else
- haveResult = stringFromCSSValue(*value, result);
- }
- }
- Element* coreElement = &element;
- if (!haveResult) {
- if ([@"display" isEqualToString:key]) {
- if (coreElement->hasTagName(headTag) || coreElement->hasTagName(scriptTag) || coreElement->hasTagName(appletTag) || coreElement->hasTagName(noframesTag))
- result = "none";
- else if (coreElement->hasTagName(addressTag) || coreElement->hasTagName(blockquoteTag) || coreElement->hasTagName(bodyTag) || coreElement->hasTagName(centerTag)
- || coreElement->hasTagName(ddTag) || coreElement->hasTagName(dirTag) || coreElement->hasTagName(divTag) || coreElement->hasTagName(dlTag)
- || coreElement->hasTagName(dtTag) || coreElement->hasTagName(fieldsetTag) || coreElement->hasTagName(formTag) || coreElement->hasTagName(frameTag)
- || coreElement->hasTagName(framesetTag) || coreElement->hasTagName(hrTag) || coreElement->hasTagName(htmlTag) || coreElement->hasTagName(h1Tag)
- || coreElement->hasTagName(h2Tag) || coreElement->hasTagName(h3Tag) || coreElement->hasTagName(h4Tag) || coreElement->hasTagName(h5Tag)
- || coreElement->hasTagName(h6Tag) || coreElement->hasTagName(iframeTag) || coreElement->hasTagName(menuTag) || coreElement->hasTagName(noscriptTag)
- || coreElement->hasTagName(olTag) || coreElement->hasTagName(pTag) || coreElement->hasTagName(preTag) || coreElement->hasTagName(ulTag))
- result = "block";
- else if (coreElement->hasTagName(liTag))
- result = "list-item";
- else if (coreElement->hasTagName(tableTag))
- result = "table";
- else if (coreElement->hasTagName(trTag))
- result = "table-row";
- else if (coreElement->hasTagName(thTag) || coreElement->hasTagName(tdTag))
- result = "table-cell";
- else if (coreElement->hasTagName(theadTag))
- result = "table-header-group";
- else if (coreElement->hasTagName(tbodyTag))
- result = "table-row-group";
- else if (coreElement->hasTagName(tfootTag))
- result = "table-footer-group";
- else if (coreElement->hasTagName(colTag))
- result = "table-column";
- else if (coreElement->hasTagName(colgroupTag))
- result = "table-column-group";
- else if (coreElement->hasTagName(captionTag))
- result = "table-caption";
- } else if ([@"white-space" isEqualToString:key]) {
- if (coreElement->hasTagName(preTag))
- result = "pre";
- else
- inherit = YES;
- } else if ([@"font-style" isEqualToString:key]) {
- if (coreElement->hasTagName(iTag) || coreElement->hasTagName(citeTag) || coreElement->hasTagName(emTag) || coreElement->hasTagName(varTag) || coreElement->hasTagName(addressTag))
- result = "italic";
- else
- inherit = YES;
- } else if ([@"font-weight" isEqualToString:key]) {
- if (coreElement->hasTagName(bTag) || coreElement->hasTagName(strongTag) || coreElement->hasTagName(thTag))
- result = "bolder";
- else
- inherit = YES;
- } else if ([@"text-decoration" isEqualToString:key]) {
- if (coreElement->hasTagName(uTag) || coreElement->hasTagName(insTag))
- result = "underline";
- else if (coreElement->hasTagName(sTag) || coreElement->hasTagName(strikeTag) || coreElement->hasTagName(delTag))
- result = "line-through";
- else
- inherit = YES; // ??? this is not strictly correct
- } else if ([@"text-align" isEqualToString:key]) {
- if (coreElement->hasTagName(centerTag) || coreElement->hasTagName(captionTag) || coreElement->hasTagName(thTag))
- result = "center";
- else
- inherit = YES;
- } else if ([@"vertical-align" isEqualToString:key]) {
- if (coreElement->hasTagName(supTag))
- result = "super";
- else if (coreElement->hasTagName(subTag))
- result = "sub";
- else if (coreElement->hasTagName(theadTag) || coreElement->hasTagName(tbodyTag) || coreElement->hasTagName(tfootTag))
- result = "middle";
- else if (coreElement->hasTagName(trTag) || coreElement->hasTagName(thTag) || coreElement->hasTagName(tdTag))
- inherit = YES;
- } else if ([@"font-family" isEqualToString:key] || [@"font-variant" isEqualToString:key] || [@"font-effect" isEqualToString:key]
- || [@"text-transform" isEqualToString:key] || [@"text-shadow" isEqualToString:key] || [@"visibility" isEqualToString:key]
- || [@"border-collapse" isEqualToString:key] || [@"empty-cells" isEqualToString:key] || [@"word-spacing" isEqualToString:key]
- || [@"list-style-type" isEqualToString:key] || [@"direction" isEqualToString:key]) {
- inherit = YES;
- }
- }
</del><ins>+ if (!node.isElementNode()) {
+ if (Node* parent = node.parentNode())
+ return propertyValueForNode(*parent, propertyName);
+ return String();
</ins><span class="cx"> }
</span><del>- if (!haveResult && inherit) {
- DOMNode *parentNode = [node parentNode];
- if (parentNode)
- return [self _stringForNode:parentNode property:key];
</del><ins>+
+ bool inherit = false;
+ Element& element = toElement(node);
+ if (RefPtr<CSSValue> value = computedStylePropertyForElement(element, propertyName)) {
+ String result;
+ if (stringFromCSSValue(*value, result))
+ return result;
</ins><span class="cx"> }
</span><del>- if (haveResult)
- return result.lower();
- return nil;
</del><ins>+
+ if (RefPtr<CSSValue> value = inlineStylePropertyForElement(element, propertyName)) {
+ String result;
+ if (value->isInheritedValue())
+ inherit = true;
+ else if (stringFromCSSValue(*value, result))
+ return result;
+ }
+
+ switch (cssPropertyID(propertyName)) {
+ case CSSPropertyDisplay:
+ if (element.hasTagName(headTag) || element.hasTagName(scriptTag) || element.hasTagName(appletTag) || element.hasTagName(noframesTag))
+ return "none";
+ else if (element.hasTagName(addressTag) || element.hasTagName(blockquoteTag) || element.hasTagName(bodyTag) || element.hasTagName(centerTag)
+ || element.hasTagName(ddTag) || element.hasTagName(dirTag) || element.hasTagName(divTag) || element.hasTagName(dlTag)
+ || element.hasTagName(dtTag) || element.hasTagName(fieldsetTag) || element.hasTagName(formTag) || element.hasTagName(frameTag)
+ || element.hasTagName(framesetTag) || element.hasTagName(hrTag) || element.hasTagName(htmlTag) || element.hasTagName(h1Tag)
+ || element.hasTagName(h2Tag) || element.hasTagName(h3Tag) || element.hasTagName(h4Tag) || element.hasTagName(h5Tag)
+ || element.hasTagName(h6Tag) || element.hasTagName(iframeTag) || element.hasTagName(menuTag) || element.hasTagName(noscriptTag)
+ || element.hasTagName(olTag) || element.hasTagName(pTag) || element.hasTagName(preTag) || element.hasTagName(ulTag))
+ return "block";
+ else if (element.hasTagName(liTag))
+ return "list-item";
+ else if (element.hasTagName(tableTag))
+ return "table";
+ else if (element.hasTagName(trTag))
+ return "table-row";
+ else if (element.hasTagName(thTag) || element.hasTagName(tdTag))
+ return "table-cell";
+ else if (element.hasTagName(theadTag))
+ return "table-header-group";
+ else if (element.hasTagName(tbodyTag))
+ return "table-row-group";
+ else if (element.hasTagName(tfootTag))
+ return "table-footer-group";
+ else if (element.hasTagName(colTag))
+ return "table-column";
+ else if (element.hasTagName(colgroupTag))
+ return "table-column-group";
+ else if (element.hasTagName(captionTag))
+ return "table-caption";
+ break;
+ case CSSPropertyWhiteSpace:
+ if (element.hasTagName(preTag))
+ return "pre";
+ inherit = true;
+ break;
+ case CSSPropertyFontStyle:
+ if (element.hasTagName(iTag) || element.hasTagName(citeTag) || element.hasTagName(emTag) || element.hasTagName(varTag) || element.hasTagName(addressTag))
+ return "italic";
+ inherit = true;
+ break;
+ case CSSPropertyFontWeight:
+ if (element.hasTagName(bTag) || element.hasTagName(strongTag) || element.hasTagName(thTag))
+ return "bolder";
+ inherit = true;
+ break;
+ case CSSPropertyTextDecoration:
+ if (element.hasTagName(uTag) || element.hasTagName(insTag))
+ return "underline";
+ else if (element.hasTagName(sTag) || element.hasTagName(strikeTag) || element.hasTagName(delTag))
+ return "line-through";
+ inherit = true; // FIXME: This is not strictly correct
+ break;
+ case CSSPropertyTextAlign:
+ if (element.hasTagName(centerTag) || element.hasTagName(captionTag) || element.hasTagName(thTag))
+ return "center";
+ inherit = true;
+ break;
+ case CSSPropertyVerticalAlign:
+ if (element.hasTagName(supTag))
+ return "super";
+ else if (element.hasTagName(subTag))
+ return "sub";
+ else if (element.hasTagName(theadTag) || element.hasTagName(tbodyTag) || element.hasTagName(tfootTag))
+ return "middle";
+ else if (element.hasTagName(trTag) || element.hasTagName(thTag) || element.hasTagName(tdTag))
+ inherit = true;
+ break;
+ case CSSPropertyFontFamily:
+ case CSSPropertyFontVariant:
+ case CSSPropertyTextTransform:
+ case CSSPropertyTextShadow:
+ case CSSPropertyVisibility:
+ case CSSPropertyBorderCollapse:
+ case CSSPropertyEmptyCells:
+ case CSSPropertyWordSpacing:
+ case CSSPropertyListStyleType:
+ case CSSPropertyDirection:
+ inherit = true; // FIXME: Let classes in the css component figure this out.
+ break;
+ default:
+ break;
+ }
+
+ if (inherit) {
+ if (Node* parent = node.parentNode())
+ return propertyValueForNode(*parent, propertyName);
+ }
+
+ return String();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> - (NSString *)_stringForNode:(DOMNode *)node property:(NSString *)key
</span><span class="cx"> {
</span><del>- NSString *result = nil;
- RetainPtr<NSMutableDictionary> attributeDictionary = [_stringsForNodes objectForKey:node];
- if (!attributeDictionary) {
- attributeDictionary = adoptNS([[NSMutableDictionary alloc] init]);
- [_stringsForNodes setObject:attributeDictionary.get() forKey:node];
- }
- result = [attributeDictionary objectForKey:key];
- if (result) {
- if ([result isEqualToString:@""])
- result = nil;
- } else {
- result = [self _computedStringForNode:node property:key];
- [attributeDictionary setObject:(result ? result : @"") forKey:key];
- }
</del><ins>+ Node* coreNode = core(node);
+ if (!coreNode)
+ return nil;
+ String result = _caches->propertyValueForNode(*coreNode, String(key));
+ if (!result.length())
+ return nil;
</ins><span class="cx"> return result;
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -2420,8 +2423,6 @@
</span><span class="cx"> [_textTableRows release];
</span><span class="cx"> [_textTableRowArrays release];
</span><span class="cx"> [_textTableRowBackgroundColors release];
</span><del>- [_specifiedStylesForElements release];
- [_stringsForNodes release];
</del><span class="cx"> [_floatsForNodes release];
</span><span class="cx"> [_colorsForNodes release];
</span><span class="cx"> [_attributesForElements release];
</span><span class="lines">@@ -2449,8 +2450,6 @@
</span><span class="cx"> _textTableRows = [[NSMutableArray alloc] init];
</span><span class="cx"> _textTableRowArrays = [[NSMutableArray alloc] init];
</span><span class="cx"> _textTableRowBackgroundColors = [[NSMutableArray alloc] init];
</span><del>- _specifiedStylesForElements = [[NSMutableDictionary alloc] init];
- _stringsForNodes = [[NSMutableDictionary alloc] init];
</del><span class="cx"> _floatsForNodes = [[NSMutableDictionary alloc] init];
</span><span class="cx"> _colorsForNodes = [[NSMutableDictionary alloc] init];
</span><span class="cx"> _attributesForElements = [[NSMutableDictionary alloc] init];
</span></span></pre>
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