C++ Utf8Str::length方法代码示例

// implementation of public methods
/////////////////////////////////////////////////////////////////////////////
HRESULT Guest::createSession(const com::Utf8Str &aUser, const com::Utf8Str &aPassword, const com::Utf8Str &aDomain,
                             const com::Utf8Str &aSessionName, ComPtr<IGuestSession> &aGuestSession)

{
#ifndef VBOX_WITH_GUEST_CONTROL
    ReturnComNotImplemented();
#else /* VBOX_WITH_GUEST_CONTROL */

    LogFlowFuncEnter();

    /* Do not allow anonymous sessions (with system rights) with public API. */
    if (RT_UNLIKELY(!aUser.length()))
        return setError(E_INVALIDARG, tr("No user name specified"));

    GuestSessionStartupInfo startupInfo;
    startupInfo.mName = aSessionName;

    GuestCredentials guestCreds;
    guestCreds.mUser = aUser;
    guestCreds.mPassword = aPassword;
    guestCreds.mDomain = aDomain;

    ComObjPtr<GuestSession> pSession;
    int rc = i_sessionCreate(startupInfo, guestCreds, pSession);
    if (RT_SUCCESS(rc))
    {
        /* Return guest session to the caller. */
        HRESULT hr2 = pSession.queryInterfaceTo(aGuestSession.asOutParam());
        if (FAILED(hr2))
            rc = VERR_COM_OBJECT_NOT_FOUND;
    }

    if (RT_SUCCESS(rc))
        /* Start (fork) the session asynchronously
         * on the guest. */
        rc = pSession->i_startSessionAsync();

    HRESULT hr = S_OK;

    if (RT_FAILURE(rc))
    {
        switch (rc)
        {
            case VERR_MAX_PROCS_REACHED:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Maximum number of concurrent guest sessions (%ld) reached"),
                              VBOX_GUESTCTRL_MAX_SESSIONS);
                break;

            /** @todo Add more errors here. */

            default:
                hr = setError(VBOX_E_IPRT_ERROR, tr("Could not create guest session: %Rrc"), rc);
                break;
        }
    }

    LogFlowThisFunc(("Returning rc=%Rhrc\n", hr));
    return hr;
#endif /* VBOX_WITH_GUEST_CONTROL */
}

HRESULT VBoxVetoEvent::addVeto(const com::Utf8Str &aReason)
{
    // AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
    if (aReason.length())
        m->mVetoList.push_back(aReason);

    m->mVetoed = TRUE;

    return S_OK;
}

HRESULT MachineDebugger::dumpGuestCore(const com::Utf8Str &aFilename, const com::Utf8Str &aCompression)
{
    if (aCompression.length())
        return setError(E_INVALIDARG, tr("The compression parameter must be empty"));

    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
    Console::SafeVMPtr ptrVM(mParent);
    HRESULT hrc = ptrVM.rc();
    if (SUCCEEDED(hrc))
    {
        int vrc = DBGFR3CoreWrite(ptrVM.rawUVM(), aFilename.c_str(), false /*fReplaceFile*/);
        if (RT_SUCCESS(vrc))
            hrc = S_OK;
        else
            hrc = setError(E_FAIL, tr("DBGFR3CoreWrite failed with %Rrc"), vrc);
    }

    return hrc;
}

HRESULT GuestDnDSource::drop(const com::Utf8Str &aFormat,
                             DnDAction_T aAction, ComPtr<IProgress> &aProgress)
{
#if !defined(VBOX_WITH_DRAG_AND_DROP) || !defined(VBOX_WITH_DRAG_AND_DROP_GH)
    ReturnComNotImplemented();
#else /* VBOX_WITH_DRAG_AND_DROP */

    /* Input validation. */
    if (RT_UNLIKELY((aFormat.c_str()) == NULL || *(aFormat.c_str()) == '\0'))
        return setError(E_INVALIDARG, tr("No drop format specified"));

    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    uint32_t uAction = GuestDnD::toHGCMAction(aAction);
    /* If there is no usable action, ignore this request. */
    if (isDnDIgnoreAction(uAction))
        return S_OK;

    HRESULT hr = S_OK;

    const char *pcszFormat = aFormat.c_str();
    bool fNeedsDropDir = DnDMIMENeedsDropDir(pcszFormat, strlen(pcszFormat));
    LogFlowFunc(("strFormat=%s, uAction=0x%x, fNeedsDropDir=%RTbool\n",
                 pcszFormat, uAction, fNeedsDropDir));

    GuestDnDResponse *pResp = GuestDnDInst()->response();
    if (pResp)
    {
        /* Reset any old data. */
        pResp->reset();
        pResp->resetProgress(m_pGuest);

        /* Set the format we are going to retrieve to have it around
         * when retrieving the data later. */
        pResp->setFormat(aFormat);

        if (fNeedsDropDir)
        {
            char szDropDir[RTPATH_MAX];
            int rc = DnDDirCreateDroppedFiles(szDropDir, sizeof(szDropDir));
            LogFlowFunc(("rc=%Rrc, szDropDir=%s\n", rc, szDropDir));
            if (RT_FAILURE(rc))
                return setError(VBOX_E_IPRT_ERROR,
                                tr("Unable to create the temporary drag and drop directory \"%s\" (%Rrc)\n"),
                                szDropDir, rc);

            pResp->setDropDir(szDropDir);
        }

        VBOXHGCMSVCPARM paParms[4];
        int i = 0;
        paParms[i++].setPointer((void*)aFormat.c_str(), (uint32_t)aFormat.length() + 1);
        paParms[i++].setUInt32((uint32_t)aFormat.length() + 1);
        paParms[i++].setUInt32(uAction);

        int rc = GuestDnDInst()->hostCall(DragAndDropSvc::HOST_DND_GH_EVT_DROPPED,
                                          i, paParms);
        if (RT_SUCCESS(rc))
        {
            /* Query the progress object to the caller. */
            pResp->queryProgressTo(aProgress.asOutParam());
        }
        else
            hr = setError(VBOX_E_IPRT_ERROR,
                          tr("Error signalling to drop data (%Rrc)\n"), rc);
    }

    LogFlowFunc(("Returning hr=%Rhrc\n", hr));
    return hr;
#endif /* VBOX_WITH_DRAG_AND_DROP */
}