xcsp3-rust 0.1.0

xcsp3-rust is a library that help constraint programming solvers implemented by Rust to read XCSP3 files.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69

/*=============================================================================
* parser for CSP instances represented in XCSP3 Format
*
* Copyright (c) 2023 xcsp.org (contact @ xcsp.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*=============================================================================
*/

/*
 * <p>@project_name: xcsp3-rust
 * </p>
 * <p>@author: luhan zhen
 * </p>
 * <p>@date:  2023/7/21 10:38
 * </p>
 * <p>@email: zhenlh20@mails.jlu.edu.cn
 * </p>
 * <p>@version: 1.0
 * </p>
 * <p>@description:
 * </p>
 */

pub mod xcsp3_core {
    #[derive(Clone, Debug)]
    pub enum Operator {
        Lt,
        Le,
        Ge,
        Gt,
        Eq,
        Ne,
        In,
        Notin,
    }

    impl Operator {
        pub fn get_operator_by_str(op: &str) -> Option<Self> {
            match op {
                "lt" => Some(Self::Lt),
                "le" => Some(Self::Le),
                "ge" => Some(Self::Ge),
                "gt" => Some(Self::Gt),
                "ne" => Some(Self::Ne),
                "eq" => Some(Self::Eq),
                "in" => Some(Self::In),
                "notin" => Some(Self::Notin),
                _ => None,
            }
        }
    }
}