buup/transformers/
binary_encode.rs

1use crate::{Transform, TransformError};
2
3/// Binary Encode transformer
4#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
5pub struct BinaryEncode;
6
7impl Transform for BinaryEncode {
8    fn name(&self) -> &'static str {
9        "Binary Encode"
10    }
11
12    fn id(&self) -> &'static str {
13        "binaryencode"
14    }
15
16    fn description(&self) -> &'static str {
17        "Encode text into its binary representation (space-separated bytes)."
18    }
19
20    fn category(&self) -> crate::TransformerCategory {
21        crate::TransformerCategory::Encoder
22    }
23
24    fn transform(&self, input: &str) -> Result<String, TransformError> {
25        if input.is_empty() {
26            return Ok(String::new());
27        }
28
29        let binary_chunks: Vec<String> =
30            input.bytes().map(|byte| format!("{:08b}", byte)).collect();
31
32        Ok(binary_chunks.join(" "))
33    }
34
35    fn default_test_input(&self) -> &'static str {
36        "Hello, World!"
37    }
38}
39
40#[cfg(test)]
41mod tests {
42    use super::*;
43
44    #[test]
45    fn test_binary_encode_empty() {
46        let transformer = BinaryEncode;
47        let result = transformer.transform("").unwrap();
48        assert_eq!(result, "");
49    }
50
51    #[test]
52    fn test_binary_encode_simple() {
53        let transformer = BinaryEncode;
54        let result = transformer.transform("Hi").unwrap();
55        // H = 72 = 01001000, i = 105 = 01101001
56        assert_eq!(result, "01001000 01101001");
57    }
58
59    #[test]
60    fn test_binary_encode_with_punctuation() {
61        let transformer = BinaryEncode;
62        let result = transformer
63            .transform(transformer.default_test_input())
64            .unwrap();
65        // H=72, e=101, l=108, l=108, o=111, ,=44,  =32, W=87, o=111, r=114, l=108, d=100, !=33
66        let expected = "01001000 01100101 01101100 01101100 01101111 00101100 00100000 01010111 01101111 01110010 01101100 01100100 00100001";
67        assert_eq!(result, expected);
68    }
69
70    #[test]
71    fn test_binary_encode_unicode() {
72        let transformer = BinaryEncode;
73        // Example: Unicode character '✓' (U+2713)
74        // UTF-8 representation: E2 9C 93
75        // Binary: 11100010 10011100 10010011
76        let result = transformer.transform("✓").unwrap();
77        assert_eq!(result, "11100010 10011100 10010011");
78    }
79}
buup/transformers/binary_encode.rs

buup/transformers/
binary_encode.rs
