Flecs v4.1
A fast entity component system (ECS) for C & C++
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flecs::term Struct Referencefinal

Class that describes a term. More...

#include <impl.hpp>

Inheritance diagram for flecs::term:
[legend]

Public Member Functions

 term ()
 Default constructor.
 term (flecs::world_t *world_ptr)
 Construct from a world.
 term (flecs::world_t *world_ptr, ecs_term_t t)
 Construct from a world and an existing term descriptor.
 term (flecs::world_t *world_ptr, id_t component_id)
 Construct from a world and a component ID.
 term (flecs::world_t *world_ptr, entity_t first, entity_t second)
 Construct from a world and a pair of entity IDs.
 term (id_t component_id)
 Construct from a component ID (no world).
 term (id_t first, id_t second)
 Construct from a pair of IDs (no world).
void reset ()
 Reset the term to its default state.
bool is_set ()
 Check if the term is initialized.
flecs::id id ()
 Get the term ID.
flecs::inout_kind_t inout ()
 Get the inout kind of the term.
flecs::oper_kind_t oper ()
 Get the operator kind of the term.
flecs::entity get_src ()
 Get the source entity of the term.
flecs::entity get_first ()
 Get the first element of the term.
flecs::entity get_second ()
 Get the second element of the term.
 operator flecs::term_t () const
 Convert to the underlying term_t.
Public Member Functions inherited from flecs::term_builder_i< term >
 term_builder_i ()
 Default constructor.
term & term (id_t id)
 Set the term ID.
termsrc ()
 Call prior to setting values for the src identifier.
termfirst ()
 Call prior to setting values for the first identifier.
termsecond ()
 Call prior to setting values for the second identifier.
termup (flecs::entity_t trav=0)
 The up flag indicates that the term identifier may be substituted by traversing a relationship upwards.
termcascade (flecs::entity_t trav=0)
 The cascade flag is like up(), but returns results in breadth-first order.
termdesc ()
 Use with cascade() to iterate results in descending (bottom-to-top) order.
termparent ()
 Same as up().
termtrav (flecs::entity_t trav, flecs::flags32_t flags=0)
 Specify the relationship to traverse, and flags to indicate direction.
termid_flags (id_t flags)
 Set ID flags for the term.
terminout (flecs::inout_kind_t inout)
 Set read/write access of the term.
terminout_stage (flecs::inout_kind_t inout)
 Set read/write access for a stage.
termwrite ()
 Short for inout_stage(flecs::Out).
termread ()
 Short for inout_stage(flecs::In).
termread_write ()
 Short for inout_stage(flecs::InOut).
termin ()
 Short for inout(flecs::In).
termout ()
 Short for inout(flecs::Out).
terminout_none ()
 Short for inout(flecs::InOutNone).
termoper (flecs::oper_kind_t oper)
 Set the operator of the term.
termand_ ()
 Short for oper(flecs::And).
termor_ ()
 Short for oper(flecs::Or).
termnot_ ()
 Short for oper(flecs::Not).
termoptional ()
 Short for oper(flecs::Optional).
termand_from ()
 Short for oper(flecs::AndFrom).
termor_from ()
 Short for oper(flecs::OrFrom).
termnot_from ()
 Short for oper(flecs::NotFrom).
termfilter ()
 Mark the term as a filter.
Public Member Functions inherited from flecs::term_ref_builder_i< term >
 term_ref_builder_i ()
 Default constructor.
virtual ~term_ref_builder_i ()
 Destructor.
termself ()
 The self flag indicates that the term identifier itself is used.
termid (flecs::entity_t id)
 Specify the value of the identifier by ID.
termentity (flecs::entity_t entity)
 Specify the value of the identifier by ID.
termname (const char *name)
 Specify the value of the identifier by name.
termvar (const char *var_name)
 Specify that the identifier is a variable (resolved at query evaluation time).
termflags (flecs::flags64_t flags)
 Override the term ID flags.

Public Attributes

flecs::term_t value
 The underlying term value.
Public Attributes inherited from flecs::term_builder_i< term >
ecs_term_tterm_
 Pointer to the current term.
Public Attributes inherited from flecs::term_ref_builder_i< term >
ecs_term_ref_tterm_ref_
 Pointer to the current term reference.

Protected Member Functions

flecs::world_tworld_v () override
Protected Member Functions inherited from flecs::term_builder_i< term >
void set_term (ecs_term_t *term)
 Set the current term pointer.
Protected Member Functions inherited from flecs::term_ref_builder_i< term >
void assert_term_ref ()

Detailed Description

Class that describes a term.

Definition at line 16 of file impl.hpp.

Constructor & Destructor Documentation

◆ term() [1/7]

flecs::term::term ( )
inline

Default constructor.

Definition at line 18 of file impl.hpp.

◆ term() [2/7]

flecs::term::term ( flecs::world_t * world_ptr)
inline

Construct from a world.

Definition at line 24 of file impl.hpp.

◆ term() [3/7]

flecs::term::term ( flecs::world_t * world_ptr,
ecs_term_t t )
inline

Construct from a world and an existing term descriptor.

Definition at line 30 of file impl.hpp.

◆ term() [4/7]

flecs::term::term ( flecs::world_t * world_ptr,
id_t component_id )
inline

Construct from a world and a component ID.

Definition at line 39 of file impl.hpp.

◆ term() [5/7]

flecs::term::term ( flecs::world_t * world_ptr,
entity_t first,
entity_t second )
inline

Construct from a world and a pair of entity IDs.

Definition at line 52 of file impl.hpp.

◆ term() [6/7]

flecs::term::term ( id_t component_id)
inline

Construct from a component ID (no world).

Definition at line 61 of file impl.hpp.

◆ term() [7/7]

flecs::term::term ( id_t first,
id_t second )
inline

Construct from a pair of IDs (no world).

Definition at line 73 of file impl.hpp.

Member Function Documentation

◆ get_first()

flecs::entity flecs::term::get_first ( )
inline

Get the first element of the term.

Definition at line 113 of file impl.hpp.

◆ get_second()

flecs::entity flecs::term::get_second ( )
inline

Get the second element of the term.

Definition at line 118 of file impl.hpp.

◆ get_src()

flecs::entity flecs::term::get_src ( )
inline

Get the source entity of the term.

Definition at line 108 of file impl.hpp.

◆ id()

flecs::id flecs::term::id ( )
inline

Get the term ID.

Definition at line 93 of file impl.hpp.

◆ inout()

flecs::inout_kind_t flecs::term::inout ( )
inline

Get the inout kind of the term.

Definition at line 98 of file impl.hpp.

◆ is_set()

bool flecs::term::is_set ( )
inline

Check if the term is initialized.

Definition at line 88 of file impl.hpp.

◆ oper()

flecs::oper_kind_t flecs::term::oper ( )
inline

Get the operator kind of the term.

Definition at line 103 of file impl.hpp.

◆ operator flecs::term_t()

flecs::term::operator flecs::term_t ( ) const
inline

Convert to the underlying term_t.

Definition at line 123 of file impl.hpp.

◆ reset()

void flecs::term::reset ( )
inline

Reset the term to its default state.

Definition at line 82 of file impl.hpp.

◆ world_v()

flecs::world_t * flecs::term::world_v ( )
inlineoverrideprotectedvirtual

Implements flecs::term_builder_i< term >.

Definition at line 131 of file impl.hpp.

Member Data Documentation

◆ value

flecs::term_t flecs::term::value

The underlying term value.

Definition at line 128 of file impl.hpp.


The documentation for this struct was generated from the following file:
  • include/flecs/addons/cpp/mixins/term/impl.hpp