donet_core/dcstruct.rs
1/*
2 This file is part of Donet.
3
4 Copyright © 2024-2025 Max Rodriguez <[email protected]>
5
6 Donet is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Affero General Public License,
8 as published by the Free Software Foundation, either version 3
9 of the License, or (at your option) any later version.
10
11 Donet is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU Affero General Public License for more details.
15
16 You should have received a copy of the GNU Affero General Public
17 License along with Donet. If not, see <https://www.gnu.org/licenses/>.
18*/
19
20//! Data model representing a DC Struct element.
21//! Very similar to a DClass element, but does not allow
22//! declaring atomic or molecular fields.
23
24use crate::dcfield::DCField;
25use crate::globals;
26use crate::hashgen::*;
27
28#[derive(Debug)]
29pub struct DCStruct {
30 pub identifier: String,
31 pub id: globals::DClassId,
32 pub fields: Vec<DCField>,
33 /// Whether this struct has any fields that have a constraint. (e.g. ranges)
34 pub has_range: bool,
35}
36
37impl std::fmt::Display for DCStruct {
38 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
39 write!(f, "struct ")?;
40 f.write_str(&self.identifier)?;
41
42 write!(f, " {{ // index ")?;
43 self.id.fmt(f)?;
44 writeln!(f)?;
45
46 for field in &self.fields {
47 field.fmt(f)?;
48 }
49 writeln!(f, "}};")
50 }
51}
52
53impl LegacyDCHash for DCStruct {
54 fn generate_hash(&self, hashgen: &mut DCHashGenerator) {
55 hashgen.add_string(self.identifier.clone());
56 hashgen.add_int(self.fields.len().try_into().unwrap());
57
58 for field in &self.fields {
59 field.generate_hash(hashgen);
60 }
61 }
62}