C++ WebFrame::renderTreeAsText方法代码示例

void TestShell::dump()
{
    WebScriptController::flushConsoleMessages();

    // Dump the requested representation.
    WebFrame* frame = m_webView->mainFrame();
    if (!frame)
        return;
    bool shouldDumpAsText = m_layoutTestController->shouldDumpAsText();
    bool shouldDumpAsAudio = m_layoutTestController->shouldDumpAsAudio();
    bool shouldGeneratePixelResults = m_layoutTestController->shouldGeneratePixelResults();
    bool shouldDumpAsPrinted = m_layoutTestController->isPrinting();
    bool dumpedAnything = false;

    if (shouldDumpAsAudio) {
        m_printer->handleAudioHeader();

        const WebKit::WebArrayBufferView& webArrayBufferView = m_layoutTestController->audioData();
        printf("Content-Length: %d\n", webArrayBufferView.byteLength());

        if (fwrite(webArrayBufferView.baseAddress(), 1, webArrayBufferView.byteLength(), stdout) != webArrayBufferView.byteLength())
            FATAL("Short write to stdout, disk full?\n");
        printf("\n");

        m_printer->handleTestFooter(true);

        fflush(stdout);
        fflush(stderr);
        return;
    }

    if (m_params.dumpTree) {
        dumpedAnything = true;
        m_printer->handleTextHeader();
        // Text output: the test page can request different types of output
        // which we handle here.
        if (!shouldDumpAsText) {
            // Plain text pages should be dumped as text
            string mimeType = frame->dataSource()->response().mimeType().utf8();
            if (mimeType == "text/plain") {
                shouldDumpAsText = true;
                shouldGeneratePixelResults = false;
            }
        }
        if (shouldDumpAsText) {
            bool recursive = m_layoutTestController->shouldDumpChildFramesAsText();
            string dataUtf8 = shouldDumpAsPrinted ? dumpFramesAsPrintedText(frame, recursive) : dumpFramesAsText(frame, recursive);
            if (fwrite(dataUtf8.c_str(), 1, dataUtf8.size(), stdout) != dataUtf8.size())
                FATAL("Short write to stdout, disk full?\n");
        } else {
          WebFrame::RenderAsTextControls renderTextBehavior = WebFrame::RenderAsTextNormal;
            if (shouldDumpAsPrinted)
                renderTextBehavior |= WebFrame::RenderAsTextPrinting;
            if (m_params.debugRenderTree)
                renderTextBehavior |= WebFrame::RenderAsTextDebug;
            printf("%s", frame->renderTreeAsText(renderTextBehavior).utf8().data());
            bool recursive = m_layoutTestController->shouldDumpChildFrameScrollPositions();
            dumpFrameScrollPosition(frame, recursive);
        }
        if (m_layoutTestController->shouldDumpBackForwardList())
            printf("%s", dumpAllBackForwardLists().c_str());
    }
    if (dumpedAnything && m_params.printSeparators)
        m_printer->handleTextFooter();

    if (m_params.dumpPixels && shouldGeneratePixelResults) {
        // Image output: we write the image data to the file given on the
        // command line (for the dump pixels argument), and the MD5 sum to
        // stdout.
        dumpedAnything = true;
        m_webView->layout();
        if (m_layoutTestController->testRepaint()) {
            WebSize viewSize = m_webView->size();
            int width = viewSize.width;
            int height = viewSize.height;
            if (m_layoutTestController->sweepHorizontally()) {
                for (WebRect column(0, 0, 1, height); column.x < width; column.x++)
                    m_webViewHost->paintRect(column);
            } else {
                for (WebRect line(0, 0, width, 1); line.y < height; line.y++)
                    m_webViewHost->paintRect(line);
            }
        } else if (m_layoutTestController->isPrinting())
            m_webViewHost->paintPagesWithBoundaries();
        else
            m_webViewHost->paintInvalidatedRegion();

        // See if we need to draw the selection bounds rect. Selection bounds
        // rect is the rect enclosing the (possibly transformed) selection.
        // The rect should be drawn after everything is laid out and painted.
        if (m_layoutTestController->shouldDumpSelectionRect()) {
            // If there is a selection rect - draw a red 1px border enclosing rect
            WebRect wr = frame->selectionBoundsRect();
            if (!wr.isEmpty()) {
                // Render a red rectangle bounding selection rect
                SkPaint paint;
                paint.setColor(0xFFFF0000); // Fully opaque red
                paint.setStyle(SkPaint::kStroke_Style);
                paint.setFlags(SkPaint::kAntiAlias_Flag);
                paint.setStrokeWidth(1.0f);
//.........这里部分代码省略.........