kconfig_represent/
hex.rs

1/*
2 Cargo KConfig - KConfig parser
3 Copyright (C) 2022  Sjoerd van Leent
4
5--------------------------------------------------------------------------------
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7Copyright Notice: Apache
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9Licensed under the Apache License, Version 2.0 (the "License"); you may not use
10this file except in compliance with the License. You may obtain a copy of the
11License at
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13   https://www.apache.org/licenses/LICENSE-2.0
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15Unless required by applicable law or agreed to in writing, software distributed
16under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
17CONDITIONS OF ANY KIND, either express or implied. See the License for the
18specific language governing permissions and limitations under the License.
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20--------------------------------------------------------------------------------
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22Copyright Notice: GPLv2
23
24This program is free software: you can redistribute it and/or modify
25it under the terms of the GNU General Public License as published by
26the Free Software Foundation, either version 2 of the License, or
27(at your option) any later version.
28
29This program is distributed in the hope that it will be useful,
30but WITHOUT ANY WARRANTY; without even the implied warranty of
31MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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35along with this program.  If not, see <https://www.gnu.org/licenses/>.
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39Copyright Notice: MIT
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41Permission is hereby granted, free of charge, to any person obtaining a copy of
42this software and associated documentation files (the “Software”), to deal in
43the Software without restriction, including without limitation the rights to
44use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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51THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
52IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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55IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
56CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
57*/
58
59use std::fmt::Display;
60use std::fmt::LowerHex;
61
62/// A Hexadecimal type is basically a wrapper around usize with
63/// it's own display logic embedded into it.
64#[derive(Clone, Debug, Default, PartialEq, Eq, Copy, PartialOrd, Ord)]
65pub struct Hex {
66    n: u64,
67}
68
69impl From<u64> for Hex {
70    /// Given a 64 bit, unsigned integer, converts it into a Hex value
71    fn from(n: u64) -> Hex {
72        Hex { n: n }
73    }
74}
75
76impl Into<u64> for Hex {
77    /// Given a Hex value, converts it into an unsigned 64-bit integer
78    fn into(self) -> u64 {
79        self.n
80    }
81}
82
83impl Display for Hex {
84    /// Formats the hexadecimal number into a string
85    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
86        let lower_hex: &dyn LowerHex = self;
87        lower_hex.fmt(f)
88    }
89}
90
91impl LowerHex for Hex {
92    /// Formats the hexadecimal number into a string, implements the actual
93    /// implementation for the display of the value
94    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
95        f.write_str(&format!("{:#02x}", self.n))
96    }
97}
kconfig_represent/hex.rs

kconfig_represent/
hex.rs
