can_dbc/ast/
attribute_value_for_relation.rs

1use can_dbc_pest::{Pair, Rule};
2
3use crate::parser::{next, parse_next_inner_str, validated_inner, DbcError};
4use crate::AttributeValueForRelationType;
5
6/// An attribute attached to the relation between a node and a signal
7#[derive(Clone, Debug, PartialEq)]
8#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
9pub struct AttributeValueForRelation {
10    pub name: String,
11    pub details: AttributeValueForRelationType,
12}
13
14impl TryFrom<Pair<'_, Rule>> for AttributeValueForRelation {
15    type Error = DbcError;
16
17    /// Parse attribute value for relation: `BA_REL_ attribute_name rel_object_type rel_object_data;`
18    fn try_from(value: Pair<'_, Rule>) -> Result<Self, Self::Error> {
19        let mut pairs = validated_inner(value, Rule::ba_rel)?;
20
21        let name = parse_next_inner_str(&mut pairs, Rule::attribute_name)?;
22        let _rel_object_type = next(&mut pairs)?; // We'll use it in rel_object_data parsing
23        let rel_object_data = next(&mut pairs)?;
24
25        Ok(Self {
26            name,
27            details: rel_object_data.try_into()?,
28        })
29    }
30}