C++ ActRec::skipFrame方法代码示例

bool UrlFile::open(const String& input_url, const String& mode) {
  String url = input_url;
  const char* modestr = mode.c_str();
  if (strchr(modestr, '+') || strchr(modestr, 'a') || strchr(modestr, 'w')) {
    std::string msg = "cannot open a url stream for write/append operation: ";
    msg += url.c_str();
    m_error = msg;
    return false;
  }
  HttpClient http(m_timeout, m_maxRedirect);
  auto ctx = this->getStreamContext();
  if (ctx) {
    http.setStreamContextOptions(ctx->getOptions());
  }
  m_response.clear();

  if (!m_proxyHost.empty()) {
    http.proxy(m_proxyHost, m_proxyPort, m_proxyUsername, m_proxyPassword);
  }

  HeaderMap *pHeaders = nullptr;
  HeaderMap requestHeaders;
  if (!m_headers.empty()) {
    pHeaders = &requestHeaders;
    for (ArrayIter iter(m_headers); iter; ++iter) {
      requestHeaders[std::string(iter.first().toString().data())].
        push_back(iter.second().toString().data());
    }
  }

  Variant user = f_parse_url(url, k_PHP_URL_USER);
  if (user.isString()) {
    Variant pass = f_parse_url(url, k_PHP_URL_PASS);
    http.auth(user.toString().c_str(), pass.toString().c_str());
    url = HHVM_FN(preg_replace)(
      s_remove_user_pass_pattern,
      s_remove_user_pass_replace,
      url,
      1
    ).toString();
  }

  int code;
  std::vector<String> responseHeaders;
  if (m_get) {
    code = http.get(url.c_str(), m_response, pHeaders, &responseHeaders);
  } else {
    code = http.request(m_method,
                        url.c_str(), m_postData.data(), m_postData.size(),
                        m_response, pHeaders, &responseHeaders);
  }

  m_responseHeaders.reset();
  for (unsigned int i = 0; i < responseHeaders.size(); i++) {
    m_responseHeaders.append(responseHeaders[i]);
  }
  VMRegAnchor vra;
  ActRec* fp = vmfp();
  while (fp->skipFrame()) {
    fp = g_context->getPrevVMState(fp);
  }
  auto id = fp->func()->lookupVarId(s_http_response_header.get());
  if (id != kInvalidId) {
    auto tvTo = frame_local(fp, id);
    Variant varFrom(m_responseHeaders);
    const auto tvFrom(varFrom.asTypedValue());
    if (tvTo->m_type == KindOfRef) {
      tvTo = tvTo->m_data.pref->tv();
    }
    tvDup(*tvFrom, *tvTo);
  } else if ((fp->func()->attrs() & AttrMayUseVV) && fp->hasVarEnv()) {
    fp->getVarEnv()->set(s_http_response_header.get(),
                         Variant(m_responseHeaders).asTypedValue());
  }

  /*
   * If code == 0, Curl failed to connect; per PHP5, ignore_errors just means
   * to not worry if we get an http resonse code that isn't between 200 and 400,
   * but we shouldn't ignore other errors.
   * all status codes in the 2xx range are defined by the specification as
   * successful;
   * all status codes in the 3xx range are for redirection, and so also should
   * never fail.
   */
  if ((code >= 200 && code < 400) || (m_ignoreErrors && code != 0)) {
    setName(url.toCppString());
    m_data = const_cast<char*>(m_response.data());
    m_len = m_response.size();
    return true;
  } else {
    m_error = http.getLastError().c_str();
    return false;
  }
}