rex 0.1.0

A lean hex editor
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

use std::char;
use std::default::Default;
use std::ops::Add;

signal_decl!{Canceled(Option<String>)}

pub struct Rect<T> {
    pub top: T,
    pub left: T,
    pub height: T,
    pub width: T
}

impl<T> Rect<T> {
    pub fn bottom(&self) -> <T as Add>::Output
            where T: Add+Copy {
        self.top + self.height
    }

    pub fn right(&self) -> <T as Add>::Output
            where T: Add+Copy {
        self.left + self.width
    }
}

impl<T> Default for Rect<T>
        where T: Default {
    fn default() -> Rect<T> {
        Rect {
            top: Default::default(),
            left: Default::default(),
            height: Default::default(),
            width: Default::default(),
        }
    }
}

pub fn u4_to_hex(b: u8) -> char {
    char::from_digit(b as u32, 16).unwrap()
}
pub fn u8_to_hex(b: u8) -> (char, char) {
    (u4_to_hex((b >> 4) & 0xF), u4_to_hex(b & 0xF))
}