C++ wtf::String類代碼示例

/**
 * @internal
 *
 * Gets the default user agent string.
 *
 * @return a pointer to an eina_stringshare containing the user agent string
 */
const char* ewk_settings_default_user_agent_get()
{
    WTF::String uaVersion = String::number(WEBKIT_MAJOR_VERSION) + '.' + String::number(WEBKIT_MINOR_VERSION) + '+';
    WTF::String staticUa = "Mozilla/5.0 (" + _ewk_settings_webkit_platform_get() + "; " + _ewk_settings_webkit_os_version_get() + ") AppleWebKit/" + uaVersion + " (KHTML, like Gecko) Version/5.0 Safari/" + uaVersion;

    return eina_stringshare_add(staticUa.utf8().data());
}

PassRefPtr<DocumentFragment> Pasteboard::documentFragment(Frame* frame, PassRefPtr<Range> context, bool allowPlainText, bool& chosePlainText)
{
	LOGD("documentFragment");
	chosePlainText = false;
	String dataFormat = "HTML";
	String imageFormat = "IMAGE";
	String markup;
	KURL srcURL;
	
	markup = android::getHTML();
	if(!markup.isEmpty()) {	
		RefPtr<DocumentFragment> fragment =
			createFragmentFromMarkup(frame->document(), markup, srcURL, FragmentScriptingNotAllowed);
		if (fragment)
			return fragment.release();
	}
	else if (allowPlainText) {
		WTF::String markup = android::getText();//ChromiumBridge::clipboardReadPlainText(buffer);
		if (!markup.isEmpty()) {
			chosePlainText = true;

			RefPtr<DocumentFragment> fragment =
				createFragmentFromText(context.get(), markup);
			if (fragment)
				return fragment.release();
		}
	}

	return 0;
}

PassOwnPtr<ScheduledAction> ScheduledAction::create(ExecState* exec, DOMWrapperWorld* isolatedWorld, ContentSecurityPolicy* policy)
{
    JSValue v = exec->argument(0);
    CallData callData;
    CallType callType = getCallData(v, callData);
    if (callType == CallTypeNone) {
        if (policy && !policy->allowEval())
            return nullptr;
        UString string = v.toString(exec)->value(exec);
        if (exec->hadException())
            return nullptr;
        return adoptPtr(new ScheduledAction(ustringToString(string), isolatedWorld));
    }

    // WebERA this calculates a unique indification of the called function scheduled in this action.

    if (callType == CallTypeJS) {
        const SourceCode source = callData.js.functionExecutable->source();
        WTF::String url = WebCore::decodeURLEscapeSequences(WTF::String(source.provider()->url().utf8().data()));

        uint calledLine = source.firstLine();

        return adoptPtr(new ScheduledAction(exec, v, isolatedWorld, url.ascii().data(), calledLine));
    }

    return adoptPtr(new ScheduledAction(exec, v, isolatedWorld, "<native-function>", -1));
}

HRESULT AccessibleText::get_textAtOffset(long offset, enum IA2TextBoundaryType boundaryType, long* startOffset, long* endOffset, BSTR* text)
{
    if (initialCheck() == E_POINTER)
        return E_POINTER;

    if (!startOffset || !endOffset || !text)
        return E_POINTER;

    int textLength = m_object->stringValue().length();

    offset = convertSpecialOffset(offset);

    if (offset < 0 || offset > textLength)
        return E_INVALIDARG;

    // Obtain the desired text range
    VisiblePosition currentPosition = m_object->visiblePositionForIndex(offset);
    VisiblePositionRange textRange;
    switch (boundaryType) {
    case IA2_TEXT_BOUNDARY_CHAR:
        textRange = m_object->visiblePositionRangeForRange(PlainTextRange(offset, 1));
        break;
    case IA2_TEXT_BOUNDARY_WORD:
        textRange = m_object->positionOfRightWord(leftWordPosition(currentPosition.next(), true));
        break;
    case IA2_TEXT_BOUNDARY_SENTENCE:
        textRange = m_object->sentenceForPosition(currentPosition);
        break;
    case IA2_TEXT_BOUNDARY_PARAGRAPH:
        textRange = m_object->paragraphForPosition(currentPosition);
        break;
    case IA2_TEXT_BOUNDARY_LINE:
        textRange = m_object->leftLineVisiblePositionRange(currentPosition);
        break;
    case IA2_TEXT_BOUNDARY_ALL:
        textRange = m_object->visiblePositionRangeForRange(PlainTextRange(0, m_object->text().length()));
        break;
    default:
        return E_INVALIDARG;
        break;
    }

    // Obtain string and offsets associated with text range
    *startOffset = textRange.start.deepEquivalent().offsetInContainerNode();
    *endOffset = textRange.end.deepEquivalent().offsetInContainerNode();

    if (*startOffset == *endOffset)
        return S_FALSE;

    WTF::String substringText = m_object->text().substring(*startOffset, *endOffset - *startOffset);
    *text = BString(substringText).release();

    if (substringText.length() && !*text)
        return E_OUTOFMEMORY;

    if (!*text)
        return S_FALSE;

    return S_OK;
}

void DOMTokenList::setValueInternal(const WTF::String& value)
{
    // Clear tokens but not capacity.
    m_tokens.shrink(0);

    HashSet<AtomicString> addedTokens;
    // https://dom.spec.whatwg.org/#ordered%20sets
    for (unsigned start = 0; ; ) {
        while (start < value.length() && isHTMLSpace(value[start]))
            ++start;
        if (start >= value.length())
            break;
        unsigned end = start + 1;
        while (end < value.length() && !isHTMLSpace(value[end]))
            ++end;

        AtomicString token = value.substring(start, end - start);
        if (!addedTokens.contains(token)) {
            m_tokens.append(token);
            addedTokens.add(token);
        }

        start = end + 1;
    }

    m_tokens.shrinkToFit();
    m_cachedValue = nullAtom;
}

/**
 * @internal
 *
 * Gets the default user agent string.
 *
 * @return a pointer to an eina_stringshare containing the user agent string
 */
const char* ewk_settings_default_user_agent_get()
{
    WTF::String uaVersion = makeString(String::number(WEBKIT_USER_AGENT_MAJOR_VERSION), '.', String::number(WEBKIT_USER_AGENT_MINOR_VERSION), '+');
    WTF::String staticUa = makeString("Mozilla/5.0 (", _ewk_settings_webkit_platform_get(), "; ", _ewk_settings_webkit_os_version_get(), ") AppleWebKit/", uaVersion) + makeString(" (KHTML, like Gecko) Version/5.0 Safari/", uaVersion);

    return eina_stringshare_add(staticUa.utf8().data());
}

void ChromeClientBlackBerry::exceededDatabaseQuota(Frame* frame, const WTF::String& name)
{
#if ENABLE(DATABASE)
    Document* document = frame->document();
    if (!document)
        return;

    SecurityOrigin* origin = document->securityOrigin();
    if (m_webPage->d->m_dumpRenderTree) {
        m_webPage->d->m_dumpRenderTree->exceededDatabaseQuota(origin, name);
        return;
    }

    DatabaseTracker& tracker = DatabaseTracker::tracker(document->groupName());

    unsigned long long totalUsage = tracker.totalDatabaseUsage();
    unsigned long long originUsage = tracker.usageForOrigin(origin);

    DatabaseDetails details = tracker.detailsForNameAndOrigin(name, origin);
    unsigned long long estimatedSize = details.expectedUsage();
    const WTF::String& nameStr = details.displayName();

    WTF::String originStr = origin->databaseIdentifier();

    unsigned long long quota = m_webPage->client()->databaseQuota(originStr.characters(), originStr.length(),
        nameStr.characters(), nameStr.length(), totalUsage, originUsage, estimatedSize);

    tracker.setQuota(origin, quota);
#endif
}

static void writeString(WTF::Vector<char>& vector, const WTF::String& str)
{
    unsigned strLen = str.length();
    // Only do work if the string has data.
    if (strLen) {
        // Determine how much to grow the vector. Use the worst case for utf8 to
        // avoid reading the string twice. Add sizeof(unsigned) to hold the
        // string length in utf8.
        unsigned vectorLen = vector.size() + sizeof(unsigned);
        unsigned length = (strLen << 2) + vectorLen;
        // Grow the vector. This will change the value of v.size() but we
        // remember the original size above.
        vector.grow(length);
        // Grab the position to write to.
        char* data = vector.begin() + vectorLen;
        // Write the actual string
        int l = SkUTF16_ToUTF8(str.characters(), strLen, data);
        ALOGV("Writing string          %d %.*s", l, l, data);
        // Go back and write the utf8 length. Subtract sizeof(unsigned) from
        // data to get the position to write the length.
        memcpy(data - sizeof(unsigned), (char*)&l, sizeof(unsigned));
        // Shrink the internal state of the vector so we match what was
        // actually written.
        vector.shrink(vectorLen + l);
    } else
        vector.append((char*)&strLen, sizeof(unsigned));
}

void QNetworkReplyHandler::sendResponseIfNeeded()
{
    ASSERT(m_replyWrapper && m_replyWrapper->reply() && !wasAborted());

    if (m_replyWrapper->reply()->error() && m_replyWrapper->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).isNull())
        return;

    ResourceHandleClient* client = m_resourceHandle->client();
    if (!client)
        return;

    WTF::String mimeType = m_replyWrapper->mimeType();

    if (mimeType.isEmpty()) {
        // let's try to guess from the extension
        mimeType = MIMETypeRegistry::getMIMETypeForPath(m_replyWrapper->reply()->url().path());
    }

    KURL url(m_replyWrapper->reply()->url());
    ResourceResponse response(url, mimeType.lower(),
                              m_replyWrapper->reply()->header(QNetworkRequest::ContentLengthHeader).toLongLong(),
                              m_replyWrapper->encoding(), String());

    if (url.isLocalFile()) {
        client->didReceiveResponse(m_resourceHandle, response);
        return;
    }

    // The status code is equal to 0 for protocols not in the HTTP family.
    int statusCode = m_replyWrapper->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();

    if (url.protocolIsInHTTPFamily()) {
        String suggestedFilename = filenameFromHTTPContentDisposition(QString::fromLatin1(m_replyWrapper->reply()->rawHeader("Content-Disposition")));

        if (!suggestedFilename.isEmpty())
            response.setSuggestedFilename(suggestedFilename);
        else {
            Vector<String> extensions = MIMETypeRegistry::getExtensionsForMIMEType(mimeType);
            if (extensions.isEmpty())
                response.setSuggestedFilename(url.lastPathComponent());
            else {
                // If the suffix doesn't match the MIME type, correct the suffix.
                QString filename = url.lastPathComponent();
                const String suffix = QMimeDatabase().suffixForFileName(filename);
                if (!extensions.contains(suffix)) {
                    filename.chop(suffix.length());
                    filename += MIMETypeRegistry::getPreferredExtensionForMIMEType(mimeType);
                }
                response.setSuggestedFilename(filename);
            }
        }

        response.setHTTPStatusCode(statusCode);
        response.setHTTPStatusText(m_replyWrapper->reply()->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toByteArray().constData());

        // Add remaining headers.
        foreach (const QNetworkReply::RawHeaderPair& pair, m_replyWrapper->reply()->rawHeaderPairs())
            response.setHTTPHeaderField(QString::fromLatin1(pair.first), QString::fromLatin1(pair.second));
    }

HRESULT STDMETHODCALLTYPE DOMHTMLFormElement::method( 
        /* [retval][out] */ BSTR* result)
{
    ASSERT(m_element && isHTMLFormElement(m_element));
    WTF::String methodString = toHTMLFormElement(m_element)->method();
    *result = BString(methodString.characters(), methodString.length()).release();
    return S_OK;
}

static WTF::String urlSuitableForTestResult(const WTF::String& uriString)
{
    if (uriString.isEmpty() || !uriString.startsWith("file://"))
        return uriString;

    const size_t index = uriString.reverseFind('/');
    return (index == WTF::notFound) ? uriString : uriString.substring(index + 1);
}

HRESULT STDMETHODCALLTYPE DOMHTMLElement::innerText( 
        /* [retval][out] */ BSTR* result)
{
    ASSERT(m_element && m_element->isHTMLElement());
    WTF::String innerTextString = static_cast<HTMLElement*>(m_element)->innerText();
    *result = BString(innerTextString.characters(), innerTextString.length()).release();
    return S_OK;
}

HRESULT STDMETHODCALLTYPE DOMHTMLFormElement::method( 
        /* [retval][out] */ BSTR* result)
{
    ASSERT(m_element && m_element->hasTagName(formTag));
    WTF::String methodString = static_cast<HTMLFormElement*>(m_element)->method();
    *result = BString(methodString.characters(), methodString.length()).release();
    return S_OK;
}

static void ReleaseIconForPageUrl(JNIEnv* env, jobject obj, jstring url)
{
    ALOG_ASSERT(url, "No url given to releaseIconForPageUrl");
    WTF::String urlStr = jstringToWtfString(env, url);

    ALOGV("Releasing icon for '%s'", urlStr.latin1().data());
    WebCore::iconDatabase().releaseIconForPageURL(urlStr);
}

void showGraphicsLayerTree(const WebCore::GraphicsLayer* layer)
{
    if (!layer)
        return;

    WTF::String output = layer->layerTreeAsText(LayerTreeAsTextDebug);
    fprintf(stderr, "%s\n", output.utf8().data());
}