/usr/include/libreoffice/cppu/EnvGuards.hxx is in libreoffice-dev 1:3.5.2-2ubuntu1.
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#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
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