Add type-safe casts for ContentData subclasses

• Component: CSS
• Status: RESOLVED FIXED

[David Kilzer (:ddkilzer)]

Add type-safe casts for all of the ContentData subclasses.

[David Kilzer (:ddkilzer)]

Created attachment 223660 [details]
Patch v1

[Darin Adler]

Comment on attachment 223660 [details]
Patch v1

View in context: https://bugs.webkit.org/attachment.cgi?id=223660&action=review

> Source/WebCore/rendering/style/ContentData.h:105
> +inline bool ImageContentData::equals(const ContentData& data) const
> +{
> +    if (!data.isImage())
> +        return false;
> +    return *toImageContentData(data).image() == *image();
> +}

I think we could move this to the .cpp file, because I think everyone calls it polymorphically and so nobody really inlines it.

I also think this could read nicely with && rather than early return.

> Source/WebCore/rendering/style/ContentData.h:135
> +inline bool TextContentData::equals(const ContentData& data) const
> +{
> +    if (!data.isText())
> +        return false;
> +    return toTextContentData(data).text() == text();
> +}

Ditto.

> Source/WebCore/rendering/style/ContentData.h:169
> +inline bool CounterContentData::equals(const ContentData& data) const
> +{
> +    if (!data.isCounter())
> +        return false;
> +    return *toCounterContentData(data).counter() == *counter();
> +}

Again.

> Source/WebCore/rendering/style/ContentData.h:199
> +inline bool QuoteContentData::equals(const ContentData& data) const
> +{
> +    if (!data.isQuote())
> +        return false;
> +    return toQuoteContentData(data).quote() == quote();
> +}

Ditto.

[WebKit Commit Bot]

Comment on attachment 223660 [details]
Patch v1

Clearing flags on attachment: 223660

Committed r163770: <http://trac.webkit.org/changeset/163770>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.

[David Kilzer (:ddkilzer)]

(In reply to comment #2)
> (From update of attachment 223660 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=223660&action=review
> 
> > Source/WebCore/rendering/style/ContentData.h:105
> > +inline bool ImageContentData::equals(const ContentData& data) const
> > +{
> > +    if (!data.isImage())
> > +        return false;
> > +    return *toImageContentData(data).image() == *image();
> > +}
> 
> I think we could move this to the .cpp file, because I think everyone calls it polymorphically and so nobody really inlines it.
> 
> I also think this could read nicely with && rather than early return.

Filed Bug 128538 to track this.