| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef INCLUDED_cppu_EnvGuards_hxx |
| #define INCLUDED_cppu_EnvGuards_hxx |
| |
| #include "uno/environment.hxx" |
| #include "uno/mapping.hxx" |
| |
| |
| namespace cssuno = com::sun::star::uno; |
| |
| |
| namespace cppu |
| { |
| /** Environment Guard |
| The provided Environment becomes entered in the constructor and left |
| in the destructor. |
| (http://wiki.services.openoffice.org/wiki/Uno/Cpp/Spec/Environment_Guard) |
| |
| @since UDK 3.2.7 |
| */ |
| class EnvGuard |
| { |
| cssuno::Environment m_env; |
| |
| public: |
| explicit EnvGuard(cssuno::Environment const & env) |
| { |
| if (env.is()) |
| { |
| m_env = cssuno::Environment::getCurrent(); |
| env.enter(); |
| } |
| } |
| |
| ~EnvGuard() |
| { |
| m_env.enter(); |
| } |
| |
| /** Checks if the associated environment is non empty. |
| |
| @return 0 == empty, 1 == non empty |
| */ |
| sal_Bool SAL_CALL is() const SAL_THROW( () ) |
| { |
| return m_env.is(); |
| } |
| |
| /** Leaves the associated environment and clears |
| the reference. |
| */ |
| void clear() |
| { |
| if (m_env.is()) |
| { |
| m_env.enter(); |
| m_env.clear(); |
| } |
| } |
| }; |
| |
| /** Environment Anti-Guard |
| Any entered Environment becomes left in the constructor and re-entered |
| in the destructor. |
| (http://wiki.services.openoffice.org/wiki/Uno/Cpp/Spec/Environment_AntiGuard) |
| |
| @since UDK 3.2.7 |
| */ |
| class AntiEnvGuard |
| { |
| cssuno::Environment m_env; |
| |
| public: |
| explicit AntiEnvGuard() |
| : m_env(cssuno::Environment::getCurrent()) |
| { |
| uno_Environment_enter(NULL); |
| } |
| |
| ~AntiEnvGuard() |
| { |
| m_env.enter(); |
| } |
| }; |
| } |
| |
| #endif |