C++ WebData类代码示例

void WebHTTPBody::appendData(const WebData& data)
{
    ensureMutable();
    // FIXME: FormDataElement::m_data should be a SharedBuffer<char>.  Then we
    // could avoid this buffer copy.
    m_private->appendData(data.data(), data.size());
}

 void loadTestData(const char* fileName)
 {
     String fullPath(Platform::current()->unitTestSupport()->webKitRootDir());
     fullPath.append("/Source/core/paint/test_data/");
     fullPath.append(fileName);
     WebData inputBuffer = Platform::current()->unitTestSupport()->readFromFile(fullPath);
     setBodyInnerHTML(String(inputBuffer.data(), inputBuffer.size()));
 }

void SocketStreamHandleInternal::didReceiveData(WebSocketStreamHandle* socketHandle, const WebData& data)
{
    LOG(Network, "didReceiveData");
    if (m_handle && m_socket.get()) {
        ASSERT(socketHandle == m_socket.get());
        if (m_handle->m_client)
            m_handle->m_client->didReceiveData(m_handle, data.data(), data.size());
    }
}

void ResourceLoader::requestSynchronously()
{
    OwnPtr<WebURLLoader> loader = adoptPtr(Platform::current()->createURLLoader());
    ASSERT(loader);

    // downloadToFile is not supported for synchronous requests.
    ASSERT(!m_request.downloadToFile());

    ResourcePtr<Resource> protectResource(m_resource);

    RELEASE_ASSERT(m_connectionState == ConnectionStateNew);
    m_connectionState = ConnectionStateStarted;

    WrappedResourceRequest requestIn(m_request);
    WebURLResponse responseOut;
    responseOut.initialize();
    WebURLError errorOut;
    WebData dataOut;
    loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut);
    if (errorOut.reason) {
        if (m_state == Terminated) {
            // A message dispatched while synchronously fetching the resource
            // can bring about the cancellation of this load.
            ASSERT(!m_resource);
            return;
        }
        didFail(0, errorOut);
        return;
    }
    didReceiveResponse(0, responseOut);
    if (m_state == Terminated)
        return;
    RefPtr<ResourceLoadInfo> resourceLoadInfo = responseOut.toResourceResponse().resourceLoadInfo();
    int64_t encodedDataLength = resourceLoadInfo ? resourceLoadInfo->encodedDataLength : WebURLLoaderClient::kUnknownEncodedDataLength;

    // Follow the async case convention of not calling didReceiveData or
    // appending data to m_resource if the response body is empty. Copying the
    // empty buffer is a noop in most cases, but is destructive in the case of
    // a 304, where it will overwrite the cached data we should be reusing.
    if (dataOut.size()) {
        m_fetcher->didReceiveData(m_resource, dataOut.data(), dataOut.size(), encodedDataLength);
        m_resource->setResourceBuffer(dataOut);
    }
    didFinishLoading(0, monotonicallyIncreasingTime(), encodedDataLength);
}

void WebIconLoadingCompletionImpl::didLoadIcon(const WebData& iconData)
{
    if (!iconData.isEmpty()) {
        RefPtr<Image> image = BitmapImage::create();
        image->setData(iconData, true);
        m_fileIconLoader->notifyFinished(Icon::create(image));
    }
    // This object is no longer needed.
    delete this;
}

// static
void ResourceHandle::loadResourceSynchronously(NetworkingContext* context,
                                               const ResourceRequest& request,
                                               StoredCredentials storedCredentials,
                                               ResourceError& error,
                                               ResourceResponse& response,
                                               Vector<char>& data)
{
    OwnPtr<WebURLLoader> loader(webKitClient()->createURLLoader());
    ASSERT(loader.get());

    WrappedResourceRequest requestIn(request);
    requestIn.setAllowStoredCredentials(storedCredentials == AllowStoredCredentials);
    WrappedResourceResponse responseOut(response);
    WebURLError errorOut;
    WebData dataOut;

    loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut);

    error = errorOut;
    data.clear();
    data.append(dataOut.data(), dataOut.size());
}

void ResourceLoader::requestSynchronously()
{
    OwnPtr<WebURLLoader> loader = adoptPtr(Platform::current()->createURLLoader());
    ASSERT(loader);

    // downloadToFile is not supported for synchronous requests.
    ASSERT(!m_request.downloadToFile());

    ResourcePtr<Resource> protectResource(m_resource);

    RELEASE_ASSERT(m_connectionState == ConnectionStateNew);
    m_connectionState = ConnectionStateStarted;

    WrappedResourceRequest requestIn(m_request);
    WebURLResponse responseOut;
    responseOut.initialize();
    WebURLError errorOut;
    WebData dataOut;
    loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut);
    if (errorOut.reason) {
        if (m_state == Terminated) {
            // A message dispatched while synchronously fetching the resource
            // can bring about the cancellation of this load.
            ASSERT(!m_resource);
            return;
        }
        didFail(0, errorOut);
        return;
    }
    didReceiveResponse(0, responseOut);
    if (m_state == Terminated)
        return;
    RefPtr<ResourceLoadInfo> resourceLoadInfo = responseOut.toResourceResponse().resourceLoadInfo();
    int64_t encodedDataLength = resourceLoadInfo ? resourceLoadInfo->encodedDataLength : WebURLLoaderClient::kUnknownEncodedDataLength;
    m_fetcher->didReceiveData(m_resource, dataOut.data(), dataOut.size(), encodedDataLength);
    m_resource->setResourceBuffer(dataOut);
    didFinishLoading(0, monotonicallyIncreasingTime(), encodedDataLength);
}