C++ equalIgnoringCase函数代码示例

// source            = scheme ":"
//                   / ( [ scheme "://" ] host [ port ] [ path ] )
//                   / "'self'"
bool CSPSourceList::parseSource(const UChar* begin, const UChar* end, String& scheme, String& host, int& port, String& path, CSPSource::WildcardDisposition& hostWildcard, CSPSource::WildcardDisposition& portWildcard)
{
    if (begin == end)
        return false;

    if (equalIgnoringCase("'none'", begin, end - begin))
        return false;

    if (end - begin == 1 && *begin == '*') {
        addSourceStar();
        return true;
    }

    if (equalIgnoringCase("'self'", begin, end - begin)) {
        addSourceSelf();
        return true;
    }

    if (equalIgnoringCase("'unsafe-inline'", begin, end - begin)) {
        addSourceUnsafeInline();
        return true;
    }

    if (equalIgnoringCase("'unsafe-eval'", begin, end - begin)) {
        addSourceUnsafeEval();
        return true;
    }

    String nonce;
    if (!parseNonce(begin, end, nonce))
        return false;

    if (!nonce.isNull()) {
        addSourceNonce(nonce);
        return true;
    }

    DigestValue hash;
    ContentSecurityPolicyHashAlgorithm algorithm = ContentSecurityPolicyHashAlgorithmNone;
    if (!parseHash(begin, end, hash, algorithm))
        return false;

    if (hash.size() > 0) {
        addSourceHash(algorithm, hash);
        return true;
    }

    const UChar* position = begin;
    const UChar* beginHost = begin;
    const UChar* beginPath = end;
    const UChar* beginPort = 0;

    skipWhile<UChar, isNotColonOrSlash>(position, end);

    if (position == end) {
        // host
        //     ^
        return parseHost(beginHost, position, host, hostWildcard);
    }

    if (position < end && *position == '/') {
        // host/path || host/ || /
        //     ^            ^    ^
        return parseHost(beginHost, position, host, hostWildcard) && parsePath(position, end, path);
    }

    if (position < end && *position == ':') {
        if (end - position == 1) {
            // scheme:
            //       ^
            return parseScheme(begin, position, scheme);
        }

        if (position[1] == '/') {
            // scheme://host || scheme://
            //       ^                ^
            if (!parseScheme(begin, position, scheme)
                || !skipExactly<UChar>(position, end, ':')
                || !skipExactly<UChar>(position, end, '/')
                || !skipExactly<UChar>(position, end, '/'))
                return false;
            if (position == end)
                return false;
            beginHost = position;
            skipWhile<UChar, isNotColonOrSlash>(position, end);
        }

        if (position < end && *position == ':') {
            // host:port || scheme://host:port
            //     ^                     ^
            beginPort = position;
            skipUntil<UChar>(position, end, '/');
        }
    }

    if (position < end && *position == '/') {
        // scheme://host/path || scheme://host:port/path
//.........这里部分代码省略.........

 static bool equal(const AtomicString& key, const char* cString)
 {
     return equalIgnoringCase(key, cString);
 }

bool HTMLElement::draggable() const
{
    return equalIgnoringCase(getAttribute(draggableAttr), "true");
}

// FIXME: This function should not deal with url or serviceType!
void HTMLObjectElement::parametersForPlugin(Vector<String>& paramNames, Vector<String>& paramValues, String& url, String& serviceType)
{
    HashSet<StringImpl*, CaseFoldingHash> uniqueParamNames;
    String urlParameter;
    
    // Scan the PARAM children and store their name/value pairs.
    // Get the URL and type from the params if we don't already have them.
    for (Node* child = firstChild(); child; child = child->nextSibling()) {
        if (!child->hasTagName(paramTag))
            continue;

        HTMLParamElement* p = static_cast<HTMLParamElement*>(child);
        String name = p->name();
        if (name.isEmpty())
            continue;

        uniqueParamNames.add(name.impl());
        paramNames.append(p->name());
        paramValues.append(p->value());

        // FIXME: url adjustment does not belong in this function.
        if (url.isEmpty() && urlParameter.isEmpty() && (equalIgnoringCase(name, "src") || equalIgnoringCase(name, "movie") || equalIgnoringCase(name, "code") || equalIgnoringCase(name, "url")))
            urlParameter = stripLeadingAndTrailingHTMLSpaces(p->value());
        // FIXME: serviceType calculation does not belong in this function.
        if (serviceType.isEmpty() && equalIgnoringCase(name, "type")) {
            serviceType = p->value();
            size_t pos = serviceType.find(";");
            if (pos != notFound)
                serviceType = serviceType.left(pos);
        }
    }
    
    // When OBJECT is used for an applet via Sun's Java plugin, the CODEBASE attribute in the tag
    // points to the Java plugin itself (an ActiveX component) while the actual applet CODEBASE is
    // in a PARAM tag. See <http://java.sun.com/products/plugin/1.2/docs/tags.html>. This means
    // we have to explicitly suppress the tag's CODEBASE attribute if there is none in a PARAM,
    // else our Java plugin will misinterpret it. [4004531]
    String codebase;
    if (MIMETypeRegistry::isJavaAppletMIMEType(serviceType)) {
        codebase = "codebase";
        uniqueParamNames.add(codebase.impl()); // pretend we found it in a PARAM already
    }
    
    // Turn the attributes of the <object> element into arrays, but don't override <param> values.
    NamedNodeMap* attributes = this->attributes(true);
    if (attributes) {
        for (unsigned i = 0; i < attributes->length(); ++i) {
            Attribute* it = attributes->attributeItem(i);
            const AtomicString& name = it->name().localName();
            if (!uniqueParamNames.contains(name.impl())) {
                paramNames.append(name.string());
                paramValues.append(it->value().string());
            }
        }
    }
    
    mapDataParamToSrc(&paramNames, &paramValues);
    
    // HTML5 says that an object resource's URL is specified by the object's data
    // attribute, not by a param element. However, for compatibility, allow the
    // resource's URL to be given by a param named "src", "movie", "code" or "url"
    // if we know that resource points to a plug-in.
    if (url.isEmpty() && !urlParameter.isEmpty()) {
        SubframeLoader* loader = document()->frame()->loader()->subframeLoader();
        if (loader->resourceWillUsePlugin(urlParameter, serviceType))
            url = urlParameter;
    }
}

bool FontCustomPlatformData::supportsFormat(const String& format)
{
    return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || equalIgnoringCase(format, "woff");
}

void MainResourceLoader::continueAfterContentPolicy(PolicyAction contentPolicy, const ResourceResponse& r)
{
    KURL url = request().url();
    const String& mimeType = r.mimeType();
    
    switch (contentPolicy) {
    case PolicyUse: {
        // Prevent remote web archives from loading because they can claim to be from any domain and thus avoid cross-domain security checks (4120255).
        bool isRemoteWebArchive = equalIgnoringCase("application/x-webarchive", mimeType) && !m_substituteData.isValid() && !url.isLocalFile();
        if (!frameLoader()->canShowMIMEType(mimeType) || isRemoteWebArchive) {
            frameLoader()->policyChecker()->cannotShowMIMEType(r);
            // Check reachedTerminalState since the load may have already been cancelled inside of _handleUnimplementablePolicyWithErrorCode::.
            if (!reachedTerminalState())
                stopLoadingForPolicyChange();
            return;
        }
        break;
    }

    case PolicyDownload:
        // m_handle can be null, e.g. when loading a substitute resource from application cache.
        if (!m_handle) {
            receivedError(cannotShowURLError());
            return;
        }
        frameLoader()->client()->download(m_handle.get(), request(), m_handle.get()->request(), r);
        // It might have gone missing
        if (frameLoader())
            receivedError(interruptionForPolicyChangeError());
        return;

    case PolicyIgnore:
        stopLoadingForPolicyChange();
        return;
    
    default:
        ASSERT_NOT_REACHED();
    }

    RefPtr<MainResourceLoader> protect(this);

    if (r.isHTTP()) {
        int status = r.httpStatusCode();
        if (status < 200 || status >= 300) {
            bool hostedByObject = frameLoader()->isHostedByObjectElement();

            frameLoader()->handleFallbackContent();
            // object elements are no longer rendered after we fallback, so don't
            // keep trying to process data from their load

            if (hostedByObject)
                cancel();
        }
    }

    // we may have cancelled this load as part of switching to fallback content
    if (!reachedTerminalState())
        ResourceLoader::didReceiveResponse(r);

    if (frameLoader() && !frameLoader()->isStopping()) {
        if (m_substituteData.isValid()) {
            if (m_substituteData.content()->size())
                didReceiveData(m_substituteData.content()->data(), m_substituteData.content()->size(), m_substituteData.content()->size(), true);
            if (frameLoader() && !frameLoader()->isStopping()) 
                didFinishLoading();
        } else if (shouldLoadAsEmptyDocument(url) || frameLoader()->representationExistsForURLScheme(url.protocol()))
            didFinishLoading();
    }
}

void FetchRequest::setCrossOriginAccessControl(SecurityOrigin* origin, const AtomicString& crossOriginMode)
{
    setCrossOriginAccessControl(origin, equalIgnoringCase(crossOriginMode, "use-credentials") ? AllowStoredCredentials : DoNotAllowStoredCredentials);
}

void ImageLoader::updateFromElement()
{
    // If we're not making renderers for the page, then don't load images.  We don't want to slow
    // down the raw HTML parsing case by loading images we don't intend to display.
    Document& document = element().document();
    if (!document.hasLivingRenderTree())
        return;

    AtomicString attr = element().imageSourceURL();

    if (attr == m_failedLoadURL)
        return;

    // Do not load any image if the 'src' attribute is missing or if it is
    // an empty string.
    CachedResourceHandle<CachedImage> newImage = 0;
    if (!attr.isNull() && !stripLeadingAndTrailingHTMLSpaces(attr).isEmpty()) {
        CachedResourceRequest request(ResourceRequest(document.completeURL(sourceURI(attr))));
        request.setInitiator(&element());

        String crossOriginMode = element().fastGetAttribute(HTMLNames::crossoriginAttr);
        if (!crossOriginMode.isNull()) {
            StoredCredentials allowCredentials = equalIgnoringCase(crossOriginMode, "use-credentials") ? AllowStoredCredentials : DoNotAllowStoredCredentials;
            updateRequestForAccessControl(request.mutableResourceRequest(), document.securityOrigin(), allowCredentials);
        }

        if (m_loadManually) {
            bool autoLoadOtherImages = document.cachedResourceLoader()->autoLoadImages();
            document.cachedResourceLoader()->setAutoLoadImages(false);
            newImage = new CachedImage(request.resourceRequest(), m_element.document().page()->sessionID());
            newImage->setLoading(true);
            newImage->setOwningCachedResourceLoader(document.cachedResourceLoader());
            document.cachedResourceLoader()->m_documentResources.set(newImage->url(), newImage.get());
            document.cachedResourceLoader()->setAutoLoadImages(autoLoadOtherImages);
        } else
            newImage = document.cachedResourceLoader()->requestImage(request);

        // If we do not have an image here, it means that a cross-site
        // violation occurred, or that the image was blocked via Content
        // Security Policy, or the page is being dismissed. Trigger an
        // error event if the page is not being dismissed.
        if (!newImage && !pageIsBeingDismissed(document)) {
            m_failedLoadURL = attr;
            m_hasPendingErrorEvent = true;
            errorEventSender().dispatchEventSoon(*this);
        } else
            clearFailedLoadURL();
    } else if (!attr.isNull()) {
        // Fire an error event if the url is empty.
        m_failedLoadURL = attr;
        m_hasPendingErrorEvent = true;
        errorEventSender().dispatchEventSoon(*this);
    }
    
    CachedImage* oldImage = m_image.get();
    if (newImage != oldImage) {
        if (m_hasPendingBeforeLoadEvent) {
            beforeLoadEventSender().cancelEvent(*this);
            m_hasPendingBeforeLoadEvent = false;
        }
        if (m_hasPendingLoadEvent) {
            loadEventSender().cancelEvent(*this);
            m_hasPendingLoadEvent = false;
        }

        // Cancel error events that belong to the previous load, which is now cancelled by changing the src attribute.
        // If newImage is null and m_hasPendingErrorEvent is true, we know the error event has been just posted by
        // this load and we should not cancel the event.
        // FIXME: If both previous load and this one got blocked with an error, we can receive one error event instead of two.
        if (m_hasPendingErrorEvent && newImage) {
            errorEventSender().cancelEvent(*this);
            m_hasPendingErrorEvent = false;
        }

        m_image = newImage;
        m_hasPendingBeforeLoadEvent = !document.isImageDocument() && newImage;
        m_hasPendingLoadEvent = newImage;
        m_imageComplete = !newImage;

        if (newImage) {
            if (!document.isImageDocument()) {
                if (!document.hasListenerType(Document::BEFORELOAD_LISTENER))
                    dispatchPendingBeforeLoadEvent();
                else
                    beforeLoadEventSender().dispatchEventSoon(*this);
            } else
                updateRenderer();

            // If newImage is cached, addClient() will result in the load event
            // being queued to fire. Ensure this happens after beforeload is
            // dispatched.
            newImage->addClient(this);
        }
        if (oldImage)
            oldImage->removeClient(this);
    }

    if (RenderImageResource* imageResource = renderImageResource())
        imageResource->resetAnimation();

//.........这里部分代码省略.........

void DOMSelection::modify(const String& alterString, const String& directionString, const String& granularityString)
{
    if (!m_frame)
        return;

    FrameSelection::EAlteration alter;
    if (equalIgnoringCase(alterString, "extend"))
        alter = FrameSelection::AlterationExtend;
    else if (equalIgnoringCase(alterString, "move"))
        alter = FrameSelection::AlterationMove;
    else
        return;

    SelectionDirection direction;
    if (equalIgnoringCase(directionString, "forward"))
        direction = DirectionForward;
    else if (equalIgnoringCase(directionString, "backward"))
        direction = DirectionBackward;
    else if (equalIgnoringCase(directionString, "left"))
        direction = DirectionLeft;
    else if (equalIgnoringCase(directionString, "right"))
        direction = DirectionRight;
    else
        return;

    TextGranularity granularity;
    if (equalIgnoringCase(granularityString, "character"))
        granularity = CharacterGranularity;
    else if (equalIgnoringCase(granularityString, "word"))
        granularity = WordGranularity;
    else if (equalIgnoringCase(granularityString, "sentence"))
        granularity = SentenceGranularity;
    else if (equalIgnoringCase(granularityString, "line"))
        granularity = LineGranularity;
    else if (equalIgnoringCase(granularityString, "paragraph"))
        granularity = ParagraphGranularity;
    else if (equalIgnoringCase(granularityString, "lineboundary"))
        granularity = LineBoundary;
    else if (equalIgnoringCase(granularityString, "sentenceboundary"))
        granularity = SentenceBoundary;
    else if (equalIgnoringCase(granularityString, "paragraphboundary"))
        granularity = ParagraphBoundary;
    else if (equalIgnoringCase(granularityString, "documentboundary"))
        granularity = DocumentBoundary;
    else
        return;

    m_frame->selection()->modify(alter, direction, granularity);
}

static bool isOnAccessControlSimpleRequestHeaderWhitelist(const String& name)
{
    return equalIgnoringCase(name, "accept") || equalIgnoringCase(name, "accept-language") || equalIgnoringCase(name, "content-type");
}

void HTMLElement::parseMappedAttribute(MappedAttribute *attr)
{
    if (attr->name() == idAttr || attr->name() == classAttr || attr->name() == styleAttr)
        return StyledElement::parseMappedAttribute(attr);

    String indexstring;
    if (attr->name() == alignAttr) {
        if (equalIgnoringCase(attr->value(), "middle"))
            addCSSProperty(attr, CSSPropertyTextAlign, "center");
        else
            addCSSProperty(attr, CSSPropertyTextAlign, attr->value());
    } else if (attr->name() == contenteditableAttr) {
        setContentEditable(attr);
    } else if (attr->name() == tabindexAttr) {
        indexstring = getAttribute(tabindexAttr);
        if (indexstring.length()) {
            bool parsedOK;
            int tabindex = indexstring.toIntStrict(&parsedOK);
            if (parsedOK)
                // Clamp tabindex to the range of 'short' to match Firefox's behavior.
                setTabIndexExplicitly(max(static_cast<int>(std::numeric_limits<short>::min()), min(tabindex, static_cast<int>(std::numeric_limits<short>::max()))));
        }
    } else if (attr->name() == langAttr) {
        // FIXME: Implement
    } else if (attr->name() == dirAttr) {
        addCSSProperty(attr, CSSPropertyDirection, attr->value());
        addCSSProperty(attr, CSSPropertyUnicodeBidi, hasLocalName(bdoTag) ? CSSValueBidiOverride : CSSValueEmbed);
    }
// standard events
    else if (attr->name() == onclickAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().clickEvent, attr);
    } else if (attr->name() == oncontextmenuAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().contextmenuEvent, attr);
    } else if (attr->name() == ondblclickAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().dblclickEvent, attr);
    } else if (attr->name() == onmousedownAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().mousedownEvent, attr);
    } else if (attr->name() == onmousemoveAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().mousemoveEvent, attr);
    } else if (attr->name() == onmouseoutAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().mouseoutEvent, attr);
    } else if (attr->name() == onmouseoverAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().mouseoverEvent, attr);
    } else if (attr->name() == onmouseupAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().mouseupEvent, attr);
    } else if (attr->name() == onmousewheelAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().mousewheelEvent, attr);
    } else if (attr->name() == onfocusAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().focusEvent, attr);
    } else if (attr->name() == onblurAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().blurEvent, attr);
    } else if (attr->name() == onkeydownAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().keydownEvent, attr);
    } else if (attr->name() == onkeypressAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().keypressEvent, attr);
    } else if (attr->name() == onkeyupAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().keyupEvent, attr);
    } else if (attr->name() == onscrollAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().scrollEvent, attr);
    } else if (attr->name() == onbeforecutAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().beforecutEvent, attr);
    } else if (attr->name() == oncutAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().cutEvent, attr);
    } else if (attr->name() == onbeforecopyAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().beforecopyEvent, attr);
    } else if (attr->name() == oncopyAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().copyEvent, attr);
    } else if (attr->name() == onbeforepasteAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().beforepasteEvent, attr);
    } else if (attr->name() == onpasteAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().pasteEvent, attr);
    } else if (attr->name() == ondragenterAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().dragenterEvent, attr);
    } else if (attr->name() == ondragoverAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().dragoverEvent, attr);
    } else if (attr->name() == ondragleaveAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().dragleaveEvent, attr);
    } else if (attr->name() == ondropAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().dropEvent, attr);
    } else if (attr->name() == ondragstartAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().dragstartEvent, attr);
    } else if (attr->name() == ondragAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().dragEvent, attr);
    } else if (attr->name() == ondragendAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().dragendEvent, attr);
    } else if (attr->name() == onselectstartAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().selectstartEvent, attr);
    } else if (attr->name() == onsubmitAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().submitEvent, attr);
    } else if (attr->name() == onerrorAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().errorEvent, attr);
    } else if (attr->name() == onwebkitanimationstartAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().webkitAnimationStartEvent, attr);
    } else if (attr->name() == onwebkitanimationiterationAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().webkitAnimationIterationEvent, attr);
    } else if (attr->name() == onwebkitanimationendAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().webkitAnimationEndEvent, attr);
    } else if (attr->name() == onwebkittransitionendAttr) {
        setInlineEventListenerForTypeAndAttribute(eventNames().webkitTransitionEndEvent, attr);
    }
//.........这里部分代码省略.........

WTFLogChannel* getChannelFromName(const String& channelName)
{
    if (!(channelName.length() >= 2))
        return 0;

    if (equalIgnoringCase(channelName, String("BackForward")))
        return &LogBackForward;

    if (equalIgnoringCase(channelName, String("Editing")))
        return &LogEditing;

    if (equalIgnoringCase(channelName, String("Events")))
        return &LogEvents;

    if (equalIgnoringCase(channelName, String("Frames")))
        return &LogFrames;

    if (equalIgnoringCase(channelName, String("FTP")))
        return &LogFTP;

    if (equalIgnoringCase(channelName, String("History")))
        return &LogHistory;

    if (equalIgnoringCase(channelName, String("IconDatabase")))
        return &LogIconDatabase;

    if (equalIgnoringCase(channelName, String("Loading")))
        return &LogLoading;

    if (equalIgnoringCase(channelName, String("Media")))
        return &LogMedia;

    if (equalIgnoringCase(channelName, String("Network")))
        return &LogNetwork;

    if (equalIgnoringCase(channelName, String("NotYetImplemented")))
        return &LogNotYetImplemented;

    if (equalIgnoringCase(channelName, String("PlatformLeaks")))
        return &LogPlatformLeaks;

    if (equalIgnoringCase(channelName, String("ResourceLoading")))
        return &LogResourceLoading;

    if (equalIgnoringCase(channelName, String("Plugins")))
        return &LogPlugins;

    if (equalIgnoringCase(channelName, String("PopupBlocking")))
        return &LogPopupBlocking;

    if (equalIgnoringCase(channelName, String("Progress")))
        return &LogProgress;

    if (equalIgnoringCase(channelName, String("SpellingAndGrammar")))
        return &LogSpellingAndGrammar;

    if (equalIgnoringCase(channelName, String("SQLDatabase")))
        return &LogSQLDatabase;

    if (equalIgnoringCase(channelName, String("StorageAPI")))
        return &LogStorageAPI;

    if (equalIgnoringCase(channelName, String("LiveConnect")))
        return &LogLiveConnect;

    if (equalIgnoringCase(channelName, String("Threading")))
        return &LogThreading;

    if (equalIgnoringCase(channelName, String("FileAPI")))
        return &LogFileAPI;

    if (equalIgnoringCase(channelName, String("WebAudio")))
        return &LogWebAudio;

    if (equalIgnoringCase(channelName, String("Compositing")))
        return &LogCompositing;

    if (equalIgnoringCase(channelName, String("Gamepad")))
        return &LogGamepad;

    if (equalIgnoringCase(channelName, String("ScriptedAnimationController")))
        return &LogScriptedAnimationController;

    if (equalIgnoringCase(channelName, String("Timers")))
        return &LogTimers;

    return 0;
}

bool NetscapePlugin::initialize(const Parameters& parameters)
{
    uint16_t mode = parameters.isFullFramePlugin ? NP_FULL : NP_EMBED;
    
    m_shouldUseManualLoader = parameters.shouldUseManualLoader;

    CString mimeTypeCString = parameters.mimeType.utf8();

    ASSERT(parameters.names.size() == parameters.values.size());

    Vector<CString> paramNames;
    Vector<CString> paramValues;
    for (size_t i = 0; i < parameters.names.size(); ++i) {
        String parameterName = parameters.names[i];

#if PLUGIN_ARCHITECTURE(MAC)
        if (m_pluginModule->pluginQuirks().contains(PluginQuirks::WantsLowercaseParameterNames))
            parameterName = parameterName.lower();
#endif

        paramNames.append(parameterName.utf8());
        paramValues.append(parameters.values[i].utf8());
    }

    // The strings that these pointers point to are kept alive by paramNames and paramValues.
    Vector<const char*> names;
    Vector<const char*> values;
    for (size_t i = 0; i < paramNames.size(); ++i) {
        names.append(paramNames[i].data());
        values.append(paramValues[i].data());
    }

#if PLUGIN_ARCHITECTURE(MAC)
    if (m_pluginModule->pluginQuirks().contains(PluginQuirks::MakeOpaqueUnlessTransparentSilverlightBackgroundAttributeExists)) {
        for (size_t i = 0; i < parameters.names.size(); ++i) {
            if (equalIgnoringCase(parameters.names[i], "background")) {
                setIsTransparent(isTransparentSilverlightBackgroundValue(parameters.values[i].lower()));
                break;
            }
        }
    }

    m_layerHostingMode = parameters.layerHostingMode;
#endif

    platformPreInitialize();

    NetscapePlugin* previousNPPNewPlugin = currentNPPNewPlugin;
    
    m_inNPPNew = true;
    currentNPPNewPlugin = this;

    NPError error = NPP_New(const_cast<char*>(mimeTypeCString.data()), mode, names.size(),
                            const_cast<char**>(names.data()), const_cast<char**>(values.data()), 0);

    m_inNPPNew = false;
    currentNPPNewPlugin = previousNPPNewPlugin;

    if (error != NPERR_NO_ERROR)
        return false;

    m_isStarted = true;

    // FIXME: This is not correct in all cases.
    m_npWindow.type = NPWindowTypeDrawable;

    if (!platformPostInitialize()) {
        destroy();
        return false;
    }

    // Load the src URL if needed.
    if (!parameters.shouldUseManualLoader && !parameters.url.isEmpty() && shouldLoadSrcURL())
        loadURL("GET", parameters.url.string(), String(), HTTPHeaderMap(), Vector<uint8_t>(), false, 0);
    
    return true;
}

static inline bool isValidDirAttribute(const AtomicString& value)
{
    return equalIgnoringCase(value, "auto") || equalIgnoringCase(value, "ltr") || equalIgnoringCase(value, "rtl");
}

 bool operator==(const FontPlatformDataCacheKey& other) const
 {
     return equalIgnoringCase(m_family, other.m_family) && m_fontDescriptionKey == other.m_fontDescriptionKey;
 }