boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT > Singleton Reference

An attribute value extraction terminal actor. More...

#include <attr_fwd.hpp>

Inheritance diagram for boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >:

Collaboration diagram for boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >:

Public Types
typedef TagT	tag_type
	Attribute tag type. More...
typedef FallbackPolicyT	fallback_policy
	Fallback policy. More...
typedef attribute_terminal< T, fallback_policy, tag_type >	terminal_type
	Base terminal type. More...
typedef terminal_type::value_type	value_type
	Attribute value type. More...
typedef ActorT< terminal_type >	base_type
	Base actor type. More...
typedef attribute_actor < value_type, fallback_to_none, tag_type, ActorT >	or_none_result_type
	Expression with cached attribute name. More...
typedef attribute_actor < value_type, fallback_to_throw, tag_type, ActorT >	or_throw_result_type
	Expression with cached attribute name. More...

Public Member Functions
	attribute_actor (base_type const &act)
	Initializing constructor. More...
attribute_name	get_name () const
fallback_policy const &	get_fallback_policy () const
or_none_result_type	or_none () const
	Generates an expression that extracts the attribute value or a default value. More...
or_throw_result_type	or_throw () const
	Generates an expression that extracts the attribute value or throws an exception. More...
template<typename DefaultT >
attribute_actor< value_type, fallback_to_default< DefaultT > , tag_type, ActorT >	or_default (DefaultT const &def_val) const
	Generates an expression that extracts the attribute value or a default value. More...

Detailed Description

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>
singleton boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >

An attribute value extraction terminal actor.

Member Typedef Documentation

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

typedef ActorT< terminal_type > boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::base_type

Base actor type.

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

typedef FallbackPolicyT boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::fallback_policy

Fallback policy.

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

typedef attribute_actor< value_type, fallback_to_none, tag_type, ActorT > boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::or_none_result_type

Expression with cached attribute name.

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

typedef attribute_actor< value_type, fallback_to_throw, tag_type, ActorT > boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::or_throw_result_type

Expression with cached attribute name.

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

typedef TagT boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::tag_type

Attribute tag type.

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

typedef attribute_terminal< T, fallback_policy, tag_type > boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::terminal_type

Base terminal type.

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

typedef terminal_type::value_type boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::value_type

Attribute value type.

Constructor & Destructor Documentation

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::attribute_actor ( base_type const &  act )

inlineexplicit

Initializing constructor.

Member Function Documentation

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

fallback_policy const& boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::get_fallback_policy ( ) const

inline

Returns

Fallback policy

Referenced by boost::expressions::begins_with(), boost::expressions::channel_severity_filter(), boost::expressions::contains(), boost::expressions::ends_with(), boost::expressions::format_date_time(), boost::expressions::format_named_scope(), boost::expressions::is_in_range(), and boost::expressions::matches().

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

attribute_name boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::get_name ( ) const

inline

Returns

The attribute name

Referenced by boost::expressions::begins_with(), boost::expressions::channel_severity_filter(), boost::expressions::contains(), boost::expressions::ends_with(), boost::expressions::format_date_time(), boost::expressions::format_named_scope(), boost::expressions::is_in_range(), boost::expressions::matches(), boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::or_default(), boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::or_none(), and boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::or_throw().

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

template<typename DefaultT >

attribute_actor< value_type, fallback_to_default< DefaultT >, tag_type, ActorT > boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::or_default ( DefaultT const &  def_val ) const

inline

Generates an expression that extracts the attribute value or a default value.

References boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::get_name().

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

or_none_result_type boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::or_none ( ) const

inline

Generates an expression that extracts the attribute value or a default value.

References boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::get_name().

template<typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT>

or_throw_result_type boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::or_throw ( ) const

inline

Generates an expression that extracts the attribute value or throws an exception.

References boost::expressions::attribute_actor< T, FallbackPolicyT, TagT, ActorT >::get_name().

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The documentation for this singleton was generated from the following file:

• boost_1_57_0/boost/log/expressions/attr.hpp