OpenMesh
CmdOption.hh
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* ========================================================================= */
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/*===========================================================================*\
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* *
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* $Revision$ *
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* $Date$ *
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* *
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\*===========================================================================*/
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#ifndef CMDOPTION
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#define CMDOPTION
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template
<
typename
T>
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class
CmdOption
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{
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public
:
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typedef
T value_type;
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CmdOption
(
const
T& _val) : val_(_val), valid_(
true
), enabled_(
false
) { }
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CmdOption
() : val_(T()),valid_(
false
), enabled_(
false
) { }
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// has been set and has a value
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bool
is_valid(
void
)
const
{
return
valid_; }
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bool
has_value(
void
)
const
{
return
is_valid(); }
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// has been set and may have an value (check with is_valid())
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bool
is_enabled()
const
{
return
enabled_; }
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void
enable() { enabled_ =
true
; }
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CmdOption
& operator = (
const
T& _val )
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{
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val_ = _val;
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valid_=
true
;
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enable();
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return
*
this
;
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}
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operator
T ()
const
{
return
val_; }
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// operator const T& () const { return val_; }
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operator
T* ()
const
{
return
is_valid() ? &val_ : NULL; }
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private
:
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T val_;
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bool
valid_;
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bool
enabled_;
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private
:
// non-copyable
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CmdOption
(
const
CmdOption
&);
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CmdOption
& operator = (
const
CmdOption
& );
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};
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template
<
typename
T >
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std::ostream&
operator <<
( std::ostream& _os,
CmdOption<T>
& _opt )
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{
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_os << (T&)_opt;
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return
_os;
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}
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#endif
CmdOption
Definition:
CmdOption.hh:54
OpenMesh::Utils::Timer::operator<<
std::ostream & operator<<(std::ostream &_o, const Timer &_t)
Write seconds to output stream.
Definition:
Timer.hh:201
Project
OpenMesh
, © Computer Graphics Group, RWTH Aachen. Documentation generated using
doxygen
.