C++ StringBuilder::appendLiteral方法代码示例

static void appendLangArgumentList(StringBuilder& str, const Vector<AtomicString>& argumentList)
{
    unsigned argumentListSize = argumentList.size();
    for (unsigned i = 0; i < argumentListSize; ++i) {
        str.append('"');
        str.append(argumentList[i]);
        str.append('"');
        if (i != argumentListSize - 1)
            str.appendLiteral(", ");
    }
}

String StylePropertySerializer::getPropertyText(CSSPropertyID propertyID, const String& value, bool isNotFirstDecl) const
{
    StringBuilder result;
    if (isNotFirstDecl)
        result.append(' ');
    result.append(getPropertyName(propertyID));
    result.appendLiteral(": ");
    result.append(value);
    result.append(';');
    return result.toString();
}

static void appendBackgroundRepeatValue(StringBuilder& builder, const CSSValue& repeatXCSSValue, const CSSValue& repeatYCSSValue)
{
    // FIXME: Ensure initial values do not appear in CSS_VALUE_LISTS.
    DEFINE_STATIC_REF_WILL_BE_PERSISTENT(CSSPrimitiveValue, initialRepeatValue, (CSSPrimitiveValue::create(CSSValueRepeat)));
    const CSSPrimitiveValue& repeatX = repeatXCSSValue.isInitialValue() ? *initialRepeatValue : toCSSPrimitiveValue(repeatXCSSValue);
    const CSSPrimitiveValue& repeatY = repeatYCSSValue.isInitialValue() ? *initialRepeatValue : toCSSPrimitiveValue(repeatYCSSValue);
    CSSValueID repeatXValueId = repeatX.getValueID();
    CSSValueID repeatYValueId = repeatY.getValueID();
    if (repeatXValueId == repeatYValueId) {
        builder.append(repeatX.cssText());
    } else if (repeatXValueId == CSSValueNoRepeat && repeatYValueId == CSSValueRepeat) {
        builder.appendLiteral("repeat-y");
    } else if (repeatXValueId == CSSValueRepeat && repeatYValueId == CSSValueNoRepeat) {
        builder.appendLiteral("repeat-x");
    } else {
        builder.append(repeatX.cssText());
        builder.appendLiteral(" ");
        builder.append(repeatY.cssText());
    }
}

String UnlinkedFunctionExecutable::paramString() const
{
    FunctionParameters& parameters = *m_parameters;
    StringBuilder builder;
    for (size_t pos = 0; pos < parameters.size(); ++pos) {
        if (!builder.isEmpty())
            builder.appendLiteral(", ");
        parameters.at(pos)->toString(builder);
    }
    return builder.toString();
}

String CSSFontFaceRule::cssText() const
{
    StringBuilder result;
    result.appendLiteral("@font-face { ");
    String descs = m_fontFaceRule->properties().asText();
    result.append(descs);
    if (!descs.isEmpty())
        result.append(' ');
    result.append('}');
    return result.toString();
}

void VisibleSelection::formatForDebugger(char* buffer, unsigned length) const
{
    StringBuilder result;
    String s;

    if (isNone()) {
        result.appendLiteral("<none>");
    } else {
        const int FormatBufferSize = 1024;
        char s[FormatBufferSize];
        result.appendLiteral("from ");
        start().formatForDebugger(s, FormatBufferSize);
        result.append(s);
        result.appendLiteral(" to ");
        end().formatForDebugger(s, FormatBufferSize);
        result.append(s);
    }

    strncpy(buffer, result.toString().utf8().data(), length - 1);
}

void FileReaderLoader::convertToDataURL()
{
    StringBuilder builder;
    builder.appendLiteral("data:");

    if (!m_bytesLoaded) {
        m_stringResult = builder.toString();
        return;
    }

    builder.append(m_dataType);
    builder.appendLiteral(";base64,");

    Vector<char> out;
    base64Encode(m_rawData->data(), m_bytesLoaded, out);
    out.append('\0');
    builder.append(out.data());

    m_stringResult = builder.toString();
}

void InspectorValue::writeJSON(StringBuilder& output) const
{
    switch (m_type) {
    case Type::Null:
        output.appendLiteral("null");
        break;
    case Type::Boolean:
        if (m_value.boolean)
            output.appendLiteral("true");
        else
            output.appendLiteral("false");
        break;
    case Type::String:
        doubleQuoteString(m_value.string, output);
        break;
    case Type::Double:
    case Type::Integer: {
        NumberToLStringBuffer buffer;
        if (!std::isfinite(m_value.number)) {
            output.appendLiteral("null");
            return;
        }
        DecimalNumber decimal = m_value.number;
        unsigned length = 0;
        if (decimal.bufferLengthForStringDecimal() > WTF::NumberToStringBufferLength) {
            // Not enough room for decimal. Use exponential format.
            if (decimal.bufferLengthForStringExponential() > WTF::NumberToStringBufferLength) {
                // Fallback for an abnormal case if it's too little even for exponential.
                output.appendLiteral("NaN");
                return;
            }
            length = decimal.toStringExponential(buffer, WTF::NumberToStringBufferLength);
        } else
            length = decimal.toStringDecimal(buffer, WTF::NumberToStringBufferLength);
        output.append(buffer, length);
        break;
    }
    default:
        ASSERT_NOT_REACHED();
    }
}

bool WebInspectorServer::platformResourceForPath(const String& path, Vector<char>& data, String& contentType)
{
    // The page list contains an unformated list of pages that can be inspected with a link to open a session.
    if (path == "/pagelist.json") {
        buildPageList(data, contentType);
        return true;
    }

    // Point the default path to a formatted page that queries the page list and display them.
    CString localPath = WebCore::fileSystemRepresentation(inspectorServerFilesPath() + ((path == "/") ? "/inspectorPageIndex.html" : path));
    if (localPath.isNull())
        return false;

    GRefPtr<GFile> file = adoptGRef(g_file_new_for_path(localPath.data()));
    GOwnPtr<GError> error;
    GRefPtr<GFileInfo> fileInfo = adoptGRef(g_file_query_info(file.get(), G_FILE_ATTRIBUTE_STANDARD_SIZE "," G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE, G_FILE_QUERY_INFO_NONE, 0, &error.outPtr()));
    if (!fileInfo) {
        StringBuilder builder;
        builder.appendLiteral("<!DOCTYPE html><html><head></head><body>Error: ");
        builder.appendNumber(error->code);
        builder.appendLiteral(", ");
        builder.append(error->message);
        builder.appendLiteral(" occurred during fetching webinspector resource files.<br>Make sure you ran make install or have set WEBKIT_INSPECTOR_SERVER_PATH in your environment to point to webinspector folder.</body></html>");
        CString cstr = builder.toString().utf8();
        data.append(cstr.data(), cstr.length());
        contentType = "text/html; charset=utf-8";
        g_warning("Error fetching webinspector resource files: %d, %s", error->code, error->message);
        return true;
    }

    GRefPtr<GFileInputStream> inputStream = adoptGRef(g_file_read(file.get(), 0, 0));
    if (!inputStream)
        return false;

    data.grow(g_file_info_get_size(fileInfo.get()));
    if (!g_input_stream_read_all(G_INPUT_STREAM(inputStream.get()), data.data(), data.size(), 0, 0, 0))
        return false;

    contentType = GOwnPtr<gchar>(g_file_info_get_attribute_as_string(fileInfo.get(), G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE)).get();
    return true;
}

void EventSource::didReceiveResponse(unsigned long, const ResourceResponse& response)
{
    ASSERT(m_state == CONNECTING);
    ASSERT(m_requestInFlight);

    m_eventStreamOrigin = SecurityOrigin::create(response.url())->toString();
    int statusCode = response.httpStatusCode();
    bool mimeTypeIsValid = response.mimeType() == "text/event-stream";
    bool responseIsValid = statusCode == 200 && mimeTypeIsValid;
    if (responseIsValid) {
        const String& charset = response.textEncodingName();
        // If we have a charset, the only allowed value is UTF-8 (case-insensitive).
        responseIsValid = charset.isEmpty() || equalIgnoringCase(charset, "UTF-8");
        if (!responseIsValid) {
            StringBuilder message;
            message.appendLiteral("EventSource's response has a charset (\"");
            message.append(charset);
            message.appendLiteral("\") that is not UTF-8. Aborting the connection.");
            // FIXME: We are missing the source line.
            scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, message.toString());
        }
    } else {
        // To keep the signal-to-noise ratio low, we only log 200-response with an invalid MIME type.
        if (statusCode == 200 && !mimeTypeIsValid) {
            StringBuilder message;
            message.appendLiteral("EventSource's response has a MIME type (\"");
            message.append(response.mimeType());
            message.appendLiteral("\") that is not \"text/event-stream\". Aborting the connection.");
            // FIXME: We are missing the source line.
            scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, message.toString());
        }
    }

    if (responseIsValid) {
        m_state = OPEN;
        dispatchEvent(Event::create(eventNames().openEvent, false, false));
    } else {
        m_loader->cancel();
        dispatchEvent(Event::create(eventNames().errorEvent, false, false));
    }
}

inline void SecurityOrigin::buildRawString(StringBuilder& builder) const
{
    builder.reserveCapacity(m_protocol.length() + m_host.length() + 10);
    builder.append(m_protocol);
    builder.appendLiteral("://");
    builder.append(m_host);

    if (m_port) {
        builder.append(':');
        builder.appendNumber(m_port);
    }
}

String MediaQuerySet::mediaText() const
{
    StringBuilder text;
    bool needComma = false;
    for (auto& query : m_queries) {
        if (needComma)
            text.appendLiteral(", ");
        text.append(query.cssText());
        needComma = true;
    }
    return text.toString();
}

void Text::formatForDebugger(char* buffer, unsigned length) const
{
    StringBuilder result;
    String s;

    result.append(nodeName());

    s = data();
    if (s.length() > 0) {
        if (result.length())
            result.appendLiteral("; ");
        result.appendLiteral("length=");
        result.appendNumber(s.length());
        result.appendLiteral("; value=\"");
        result.append(s);
        result.append('"');
    }

    strncpy(buffer, result.toString().utf8().data(), length - 1);
    buffer[length - 1] = '\0';
}

String nodePositionAsStringForTesting(Node* node)
{
    StringBuilder result;

    Node* parent;
    for (Node* n = node; n; n = parent) {
        parent = n->parentNode();
        if (n != node)
            result.appendLiteral(" of ");
        if (parent) {
            result.appendLiteral("child ");
            result.appendNumber(n->nodeIndex());
            result.appendLiteral(" {");
            result.append(n->nodeName());
            result.append('}');
        } else
            result.appendLiteral("document");
    }

    return result.toString();
}

String CSSStyleRule::cssText() const
{
    StringBuilder result;
    result.append(selectorText());
    result.appendLiteral(" { ");
    String decls = m_styleRule->properties().asText();
    result.append(decls);
    if (!decls.isEmpty())
        result.append(' ');
    result.append('}');
    return result.toString();
}