Enum AttributeValue 

pub enum AttributeValue {
    EntityRef(u32),
    String(String),
    Integer(i64),
    Float(f64),
    Enum(String),
    List(Vec<AttributeValue>),
    Null,
    Derived,
}

IFC entity attribute value

Variants

EntityRef(u32)

Entity reference

String(String)

String value

Integer(i64)

Integer value

Float(f64)

Float value

Enum(String)

Enum value

List(Vec<AttributeValue>)

List of values

Null

Null/undefined

Derived

Derived value (*)

Implementations

impl AttributeValue

pub fn from_token(token: &Token<'_>) -> Self

Convert from Token

pub fn as_entity_ref(&self) -> Option<u32>

Get as entity reference

pub fn as_string(&self) -> Option<&str>

Get as string

pub fn as_enum(&self) -> Option<&str>

Get as enum value (strips the dots from .ENUM.)

pub fn as_float(&self) -> Option<f64>

Get as float Also handles TypedValue wrappers like IFCNORMALISEDRATIOMEASURE(0.5) which are stored as List([String(“typename”), Float(value)])

pub fn as_int(&self) -> Option<i64>

Get as integer (more efficient than as_float for indices)

pub fn as_list(&self) -> Option<&[AttributeValue]>

Get as list

pub fn is_null(&self) -> bool

Check if null/derived

pub fn parse_coordinate_list_3d(coord_list: &[AttributeValue]) -> Vec<f32>

Batch parse 3D coordinates from a list of coordinate triples Returns flattened f32 array: [x0, y0, z0, x1, y1, z1, …] Optimized for large coordinate lists

pub fn parse_coordinate_list_2d(coord_list: &[AttributeValue]) -> Vec<f32>

Batch parse 2D coordinates from a list of coordinate pairs Returns flattened f32 array: [x0, y0, x1, y1, …]

pub fn parse_index_list(face_list: &[AttributeValue]) -> Vec<u32>

Batch parse triangle indices from a list of index triples Converts from 1-based IFC indices to 0-based indices Returns flattened u32 array: [i0, i1, i2, …]

pub fn parse_coordinate_list_3d_f64( coord_list: &[AttributeValue], ) -> Vec<(f64, f64, f64)>

Batch parse coordinate list with f64 precision Returns Vec of (x, y, z) tuples

Trait Implementations

impl Clone for AttributeValue

fn clone(&self) -> AttributeValue

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AttributeValue

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.