advent-ocr 0.1.5

Converts ASCII-art representations of letters generated by Advent of Code puzzles into a String containing those letters.
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85

/// Marks a data type as compatible with the `ocr()` function. 

pub trait Scannable {
    
    /// Converts the type into a String that can be read by `ocr()`. 
    /// '#' is considered part of a letter and all other chars are considered blank space.
    /// 
    /// To implement `normalize()` for your own data type, translate your data into this
    /// format:
    /// 
    /// ```text
    /// .##..###...##.
    /// #..#.#..#.#..#
    /// #..#.###..#...
    /// ####.#..#.#...
    /// #..#.#..#.#..#
    /// #..#.###...##.
    /// ```
    fn normalize(&self) -> String;
}

impl Scannable for &str {
    fn normalize(&self) -> String {
        self.to_string()
    }
}

impl Scannable for (&Vec<bool>, usize) {
    fn normalize(&self) -> String {
        let (bools, width) = self;
        let width = width.clone();
        let mut output = String::new();
        let height = bools.len() / width;
        for y in 0..height {
            for x in 0..width {
                output.push(if bools[x + y * width] { '#' } else { '.' });
            }
            output.push('\n');
        }
        output
    }
}

impl Scannable for (&Vec<char>, usize) {
    fn normalize(&self) -> String {
        let (chars, width) = self;
        let width = width.clone();
        let mut output = String::new();
        let height = chars.len() / width;
        for y in 0..height {
            for x in 0..width {
                output.push(chars[x + y * width]);
            }
            output.push('\n');
        }
        output
    }
}

impl Scannable for &Vec<Vec<bool>> {
    fn normalize(&self) -> String {
        let mut output = String::new();
        for row in self.iter() {
            for &cell in row.iter() {
                output.push(if cell { '#' } else { '.' });
            }
            output.push('\n');
        }
        output
    }
}

impl Scannable for &Vec<Vec<char>> {
    fn normalize(&self) -> String {
        let mut output = String::new();
        for row in self.iter() {
            for &cell in row.iter() {
                output.push(cell);
            }
            output.push('\n');
        }
        output
    }
}