C++ (Cpp) DispatchCurrentMessageEvent Examples

Example #1

File: EventSource.cpp Project: b10n1k/mozilla-central

NS_IMETHODIMP
EventSource::OnStopRequest(nsIRequest *aRequest,
                           nsISupports *aContext,
                           nsresult aStatusCode)
{
  mWaitingForOnStopRequest = false;

  if (mReadyState == CLOSED) {
    return NS_ERROR_ABORT;
  }

  if (NS_FAILED(aStatusCode)) {
    DispatchFailConnection();
    return aStatusCode;
  }

  nsresult rv;
  nsresult healthOfRequestResult = CheckHealthOfRequestCallback(aRequest);
  if (NS_SUCCEEDED(healthOfRequestResult)) {
    // check if we had an incomplete UTF8 char at the end of the stream
    if (mLastConvertionResult == NS_PARTIAL_MORE_INPUT) {
      rv = ParseCharacter(REPLACEMENT_CHAR);
      NS_ENSURE_SUCCESS(rv, rv);
    }

    // once we reach the end of the stream we must
    // dispatch the current event
    switch (mStatus)
    {
      case PARSE_STATE_CR_CHAR:
      case PARSE_STATE_COMMENT:
      case PARSE_STATE_FIELD_NAME:
      case PARSE_STATE_FIRST_CHAR_OF_FIELD_VALUE:
      case PARSE_STATE_FIELD_VALUE:
      case PARSE_STATE_BEGIN_OF_LINE:
        rv = SetFieldAndClear();
        NS_ENSURE_SUCCESS(rv, rv);

        rv = DispatchCurrentMessageEvent();  // there is an empty line (CRCR)
        NS_ENSURE_SUCCESS(rv, rv);

        break;

      // Just for not getting warnings when compiling
      case PARSE_STATE_OFF:
      case PARSE_STATE_BEGIN_OF_STREAM:
      case PARSE_STATE_BOM_WAS_READ:
        break;
    }
  }

  nsCOMPtr<nsIRunnable> event =
    NS_NewRunnableMethod(this, &EventSource::ReestablishConnection);
  NS_ENSURE_STATE(event);

  rv = NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL);
  NS_ENSURE_SUCCESS(rv, rv);

  return healthOfRequestResult;
}

Example #2

File: EventSource.cpp Project: Manishearth/gecko-dev

nsresult
EventSource::ParseCharacter(char16_t aChr)
{
  nsresult rv;

  if (mReadyState == CLOSED) {
    return NS_ERROR_ABORT;
  }

  switch (mStatus)
  {
    case PARSE_STATE_OFF:
      NS_ERROR("Invalid state");
      return NS_ERROR_FAILURE;
      break;

    case PARSE_STATE_BEGIN_OF_STREAM:
      if (aChr == BOM_CHAR) {
        mStatus = PARSE_STATE_BOM_WAS_READ;  // ignore it
      } else if (aChr == CR_CHAR) {
        mStatus = PARSE_STATE_CR_CHAR;
      } else if (aChr == LF_CHAR) {
        mStatus = PARSE_STATE_BEGIN_OF_LINE;
      } else if (aChr == COLON_CHAR) {
        mStatus = PARSE_STATE_COMMENT;
      } else {
        mLastFieldName += aChr;
        mStatus = PARSE_STATE_FIELD_NAME;
      }

      break;

    case PARSE_STATE_BOM_WAS_READ:
      if (aChr == CR_CHAR) {
        mStatus = PARSE_STATE_CR_CHAR;
      } else if (aChr == LF_CHAR) {
        mStatus = PARSE_STATE_BEGIN_OF_LINE;
      } else if (aChr == COLON_CHAR) {
        mStatus = PARSE_STATE_COMMENT;
      } else {
        mLastFieldName += aChr;
        mStatus = PARSE_STATE_FIELD_NAME;
      }
      break;

    case PARSE_STATE_CR_CHAR:
      if (aChr == CR_CHAR) {
        rv = DispatchCurrentMessageEvent();  // there is an empty line (CRCR)
        NS_ENSURE_SUCCESS(rv, rv);
      } else if (aChr == LF_CHAR) {
        mStatus = PARSE_STATE_BEGIN_OF_LINE;
      } else if (aChr == COLON_CHAR) {
        mStatus = PARSE_STATE_COMMENT;
      } else {
        mLastFieldName += aChr;
        mStatus = PARSE_STATE_FIELD_NAME;
      }

      break;

    case PARSE_STATE_COMMENT:
      if (aChr == CR_CHAR) {
        mStatus = PARSE_STATE_CR_CHAR;
      } else if (aChr == LF_CHAR) {
        mStatus = PARSE_STATE_BEGIN_OF_LINE;
      }

      break;

    case PARSE_STATE_FIELD_NAME:
      if (aChr == CR_CHAR) {
        rv = SetFieldAndClear();
        NS_ENSURE_SUCCESS(rv, rv);

        mStatus = PARSE_STATE_CR_CHAR;
      } else if (aChr == LF_CHAR) {
        rv = SetFieldAndClear();
        NS_ENSURE_SUCCESS(rv, rv);

        mStatus = PARSE_STATE_BEGIN_OF_LINE;
      } else if (aChr == COLON_CHAR) {
        mStatus = PARSE_STATE_FIRST_CHAR_OF_FIELD_VALUE;
      } else {
        mLastFieldName += aChr;
      }

      break;

    case PARSE_STATE_FIRST_CHAR_OF_FIELD_VALUE:
      if (aChr == CR_CHAR) {
        rv = SetFieldAndClear();
        NS_ENSURE_SUCCESS(rv, rv);

        mStatus = PARSE_STATE_CR_CHAR;
      } else if (aChr == LF_CHAR) {
        rv = SetFieldAndClear();
        NS_ENSURE_SUCCESS(rv, rv);

        mStatus = PARSE_STATE_BEGIN_OF_LINE;
      } else if (aChr == SPACE_CHAR) {
        mStatus = PARSE_STATE_FIELD_VALUE;
      } else {
        mLastFieldValue += aChr;
        mStatus = PARSE_STATE_FIELD_VALUE;
      }

      break;

    case PARSE_STATE_FIELD_VALUE:
      if (aChr == CR_CHAR) {
        rv = SetFieldAndClear();
        NS_ENSURE_SUCCESS(rv, rv);

        mStatus = PARSE_STATE_CR_CHAR;
      } else if (aChr == LF_CHAR) {
        rv = SetFieldAndClear();
        NS_ENSURE_SUCCESS(rv, rv);

        mStatus = PARSE_STATE_BEGIN_OF_LINE;
      } else {
        mLastFieldValue += aChr;
      }

      break;

    case PARSE_STATE_BEGIN_OF_LINE:
      if (aChr == CR_CHAR) {
        rv = DispatchCurrentMessageEvent();  // there is an empty line
        NS_ENSURE_SUCCESS(rv, rv);

        mStatus = PARSE_STATE_CR_CHAR;
      } else if (aChr == LF_CHAR) {
        rv = DispatchCurrentMessageEvent();  // there is an empty line
        NS_ENSURE_SUCCESS(rv, rv);

        mStatus = PARSE_STATE_BEGIN_OF_LINE;
      } else if (aChr == COLON_CHAR) {
        mStatus = PARSE_STATE_COMMENT;
      } else {
        mLastFieldName += aChr;
        mStatus = PARSE_STATE_FIELD_NAME;
      }

      break;
  }

  return NS_OK;
}