Title: [194971] branches/safari-601-branch/Source/WebCore
Revision
194971
Author
matthew_han...@apple.com
Date
2016-01-13 12:17:25 -0800 (Wed, 13 Jan 2016)

Log Message

Merge r190641. rdar://problem/24154291

Modified Paths

Diff

Modified: branches/safari-601-branch/Source/WebCore/ChangeLog (194970 => 194971)


--- branches/safari-601-branch/Source/WebCore/ChangeLog	2016-01-13 20:17:21 UTC (rev 194970)
+++ branches/safari-601-branch/Source/WebCore/ChangeLog	2016-01-13 20:17:25 UTC (rev 194971)
@@ -1,3 +1,23 @@
+2016-01-13  Matthew Hanson  <matthew_han...@apple.com>
+
+        Merge r190641. rdar://problem/24154291
+
+    2015-10-06  Chris Dumez  <cdu...@apple.com>
+
+            Refactor TokenPreloadScanner::StartTagScanner::processAttribute()
+            https://bugs.webkit.org/show_bug.cgi?id=149847
+
+            Reviewed by Antti Koivisto.
+
+            Refactor TokenPreloadScanner::StartTagScanner::processAttribute() to only
+            process attributes that make sense given the current tagId. In particular,
+            - We only process the charset parameter if the tag is a link or a script.
+            - We only process the sizes / srcset attributes if the tag is an img.
+
+            * html/parser/HTMLPreloadScanner.cpp:
+            (WebCore::TokenPreloadScanner::StartTagScanner::processAttribute):
+            (WebCore::TokenPreloadScanner::StartTagScanner::setUrlToLoad): Deleted.
+
 2016-01-12  Matthew Hanson  <matthew_han...@apple.com>
 
         Merge r194751. rdar://problem/24043054

Modified: branches/safari-601-branch/Source/WebCore/html/parser/HTMLPreloadScanner.cpp (194970 => 194971)


--- branches/safari-601-branch/Source/WebCore/html/parser/HTMLPreloadScanner.cpp	2016-01-13 20:17:21 UTC (rev 194970)
+++ branches/safari-601-branch/Source/WebCore/html/parser/HTMLPreloadScanner.cpp	2016-01-13 20:17:25 UTC (rev 194971)
@@ -140,38 +140,60 @@
     }
 
 private:
-    template<typename NameType>
-    void processAttribute(const NameType& attributeName, const String& attributeValue)
+    void processImageAndScriptAttribute(const AtomicString& attributeName, const String& attributeValue)
     {
-        if (match(attributeName, charsetAttr))
+        if (match(attributeName, srcAttr))
+            setUrlToLoad(attributeValue);
+        else if (match(attributeName, crossoriginAttr) && !attributeValue.isNull())
+            m_crossOriginMode = stripLeadingAndTrailingHTMLSpaces(attributeValue);
+        else if (match(attributeName, charsetAttr))
             m_charset = attributeValue;
+    }
 
-        if (m_tagId == TagId::Script || m_tagId == TagId::Img) {
-            if (match(attributeName, srcAttr))
-                setUrlToLoad(attributeValue);
-            else if (match(attributeName, srcsetAttr) && m_srcSetAttribute.isNull())
+    void processAttribute(const AtomicString& attributeName, const String& attributeValue)
+    {
+        switch (m_tagId) {
+        case TagId::Img:
+            if (match(attributeName, srcsetAttr) && m_srcSetAttribute.isNull()) {
                 m_srcSetAttribute = attributeValue;
-            else if (match(attributeName, sizesAttr) && m_sizesAttribute.isNull())
+                break;
+            }
+            if (match(attributeName, sizesAttr) && m_sizesAttribute.isNull()) {
                 m_sizesAttribute = attributeValue;
-            else if (match(attributeName, crossoriginAttr) && !attributeValue.isNull())
-                m_crossOriginMode = stripLeadingAndTrailingHTMLSpaces(attributeValue);
-        } else if (m_tagId == TagId::Link) {
+                break;
+            }
+            processImageAndScriptAttribute(attributeName, attributeValue);
+            break;
+        case TagId::Script:
+            processImageAndScriptAttribute(attributeName, attributeValue);
+            break;
+        case TagId::Link:
             if (match(attributeName, hrefAttr))
                 setUrlToLoad(attributeValue);
             else if (match(attributeName, relAttr))
                 m_linkIsStyleSheet = relAttributeIsStyleSheet(attributeValue);
             else if (match(attributeName, mediaAttr))
                 m_mediaAttribute = attributeValue;
-        } else if (m_tagId == TagId::Input) {
+            else if (match(attributeName, charsetAttr))
+                m_charset = attributeValue;
+            break;
+        case TagId::Input:
             if (match(attributeName, srcAttr))
                 setUrlToLoad(attributeValue);
             else if (match(attributeName, typeAttr))
                 m_inputIsImage = equalIgnoringCase(attributeValue, InputTypeNames::image());
-        } else if (m_tagId == TagId::Meta) {
+            break;
+        case TagId::Meta:
             if (match(attributeName, contentAttr))
                 m_metaContent = attributeValue;
             else if (match(attributeName, nameAttr))
                 m_metaIsViewport = equalIgnoringCase(attributeValue, "viewport");
+            break;
+        case TagId::Base:
+        case TagId::Style:
+        case TagId::Template:
+        case TagId::Unknown:
+            break;
         }
     }
 
@@ -195,9 +217,6 @@
 
     const String& charset() const
     {
-        // FIXME: Its not clear that this if is needed, the loader probably ignores charset for image requests anyway.
-        if (m_tagId == TagId::Img)
-            return emptyString();
         return m_charset;
     }
 
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