xcsp3_rust/constraints/
xmdd.rs

1/*=============================================================================
2* parser for CSP instances represented in XCSP3 Format
3*
4* Copyright (c) 2023 xcsp.org (contact @ xcsp.org)
5*
6* Permission is hereby granted, free of charge, to any person obtaining a copy
7* of this software and associated documentation files (the "Software"), to deal
8* in the Software without restriction, including without limitation the rights
9* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10* copies of the Software, and to permit persons to whom the Software is
11* furnished to do so, subject to the following conditions:
12*
13* The above copyright notice and this permission notice shall be included in
14* all copies or substantial portions of the Software.
15*
16* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22* THE SOFTWARE.
23*=============================================================================
24*/
25
26/*
27* <p>@project_name: xcsp3-rust
28* </p>
29* <p>@author: luhan zhen
30* </p>
31* <p>@date:  2023/7/15 15:13
32* </p>
33* <p>@email: zhenlh20@mails.jlu.edu.cn
34* </p>
35* <p>@version: 1.0
36* </p>
37 * <p>@description: 1.0
38* </p>
39 */
40
41pub mod xcsp3_core {
42    use crate::constraints::xconstraint_trait::xcsp3_core::XConstraintTrait;
43    use crate::data_structs::xint_val_var::xcsp3_core::XVarVal;
44    use crate::errors::xcsp3error::xcsp3_core::Xcsp3Error;
45    use crate::utils::utils_functions::xcsp3_utils::{list_to_transitions, list_to_vec_var_val};
46    use crate::variables::xdomain::xcsp3_core::XDomainInteger;
47    use crate::variables::xvariable_set::xcsp3_core::XVariableSet;
48    use std::collections::HashMap;
49    use std::fmt::{Display, Formatter};
50
51    // #[derive(Clone)]
52    pub struct XMdd<'a> {
53        scope: Vec<XVarVal>,
54        map: HashMap<String, &'a XDomainInteger>,
55        set: &'a XVariableSet,
56        transitions: Vec<(String, i32, String)>,
57    }
58
59    impl Display for XMdd<'_> {
60        fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
61            let mut ret = String::default();
62            for e in self.scope.iter() {
63                ret.push('(');
64                ret.push_str(&e.to_string());
65                ret.push_str("), ")
66            }
67            ret.push_str(&format!("transitions = {:?}", self.transitions));
68            write!(f, "XMdd: list =  {}", ret)
69        }
70    }
71
72    impl XConstraintTrait for XMdd<'_> {
73        fn get_scope_string(&self) -> &Vec<XVarVal> {
74            &self.scope
75        }
76
77        fn get_scope(&mut self) -> Vec<(&String, &XDomainInteger)> {
78            for e in &self.scope {
79                if let XVarVal::IntVar(s) = e {
80                    if !self.map.contains_key(s) {
81                        if let Ok(vec) = self.set.construct_scope(&[s]) {
82                            for (vs, vv) in vec.into_iter() {
83                                self.map.insert(vs, vv);
84                            }
85                        }
86                    }
87                }
88            }
89            let mut scope_vec_var: Vec<(&String, &XDomainInteger)> = vec![];
90            for e in self.map.iter() {
91                scope_vec_var.push((e.0, e.1))
92            }
93            scope_vec_var
94        }
95    }
96
97    impl<'a> XMdd<'a> {
98        pub fn from_str(
99            list: &str,
100            transitions_str: &str,
101            set: &'a XVariableSet,
102        ) -> Result<Self, Xcsp3Error> {
103            match list_to_vec_var_val(list) {
104                Ok(scope_vec_str) => match list_to_transitions(transitions_str) {
105                    Ok(transitions) => Ok(XMdd::new(scope_vec_str, set, transitions)),
106                    Err(e) => Err(e),
107                },
108                Err(e) => Err(e),
109            }
110        }
111
112        pub fn get_transitions(&self) -> &Vec<(String, i32, String)> {
113            &self.transitions
114        }
115        pub fn new(
116            scope: Vec<XVarVal>,
117            set: &'a XVariableSet,
118            transitions: Vec<(String, i32, String)>,
119        ) -> Self {
120            XMdd {
121                scope,
122                map: Default::default(),
123                set,
124                transitions,
125            }
126        }
127    }
128}
xcsp3_rust/constraints/xmdd.rs

xcsp3_rust/constraints/
xmdd.rs
