bin_encode_decode/common/
impl.rs

1use crate::*;
2
3/// Provides default implementation for Charset.
4///
5/// Creates a new Charset instance with empty string as default charset.
6///
7/// # Returns
8///
9/// - `Charset<'a>` - New instance with empty charset.
10impl<'a> Default for Charset<'a> {
11    #[inline(always)]
12    fn default() -> Self {
13        Charset("")
14    }
15}
16
17impl<'a> Charset<'a> {
18    /// Creates a new Charset instance with default charset.
19    ///
20    /// # Returns
21    ///
22    /// - `Charset<'a>` - New instance with empty charset.
23    #[inline(always)]
24    pub fn new() -> Self {
25        Charset::default()
26    }
27
28    /// Validates if charset meets safety requirements.
29    ///
30    /// # Arguments
31    ///
32    /// - `&str` - Checks if the charset contains exactly CHARSET_LEN unique characters.
33    ///
34    /// # Returns
35    ///
36    /// - `bool` - Validation result.
37    pub(crate) fn judge_charset_safe(charset: &str) -> bool {
38        let mut hash_set: HashSet<char> = HashSet::new();
39        for tmp_char in charset.chars() {
40            hash_set.insert(tmp_char);
41        }
42        if hash_set.len() != CHARSET_LEN {
43            return false;
44        }
45        true
46    }
47
48    /// Sets the character set for encoding/decoding operations.
49    ///
50    /// # Arguments
51    ///
52    /// - `&'b str` - The character set to use.
53    ///
54    /// # Returns
55    ///
56    /// - `&mut Charset<'a>` - Self reference for method chaining.
57    pub fn charset<'b>(&mut self, charset: &'b str) -> &mut Self
58    where
59        'b: 'a,
60    {
61        if self.0 != Charset::default().0 {
62            return self;
63        }
64        self.0 = charset;
65        self
66    }
67
68    /// Encodes input string using current charset.
69    ///
70    /// # Arguments
71    ///
72    /// - `&str` - The string to encode.
73    ///
74    /// # Returns
75    ///
76    /// - `Result<String, EncodeError>` - Encoding result.
77    pub fn encode(&self, encode_str: &str) -> Result<String, EncodeError> {
78        Encode::execute(self.0, encode_str)
79    }
80
81    /// Decodes input string using current charset.
82    ///
83    /// # Arguments
84    ///
85    /// - `&str` - The string to decode.
86    ///
87    /// # Returns
88    ///
89    /// - `Result<String, DecodeError>` - Decoding result.
90    pub fn decode(&self, decode_str: &str) -> Result<String, DecodeError> {
91        Decode::execute(self.0, decode_str)
92    }
93}
bin_encode_decode/common/impl.rs

bin_encode_decode/common/
impl.rs
