ipld_nostd/multibase/
base.rs

1use {
2	super::{
3		error::{Error, Result},
4		impls::*,
5	},
6	alloc::{string::String, vec::Vec},
7};
8
9macro_rules! build_base_enum {
10    ( $(#[$attr:meta] $code:expr => $base:ident,)* ) => {
11        /// List of types currently supported in the multibase spec.
12        ///
13        /// Not all base types are supported by this library.
14        #[derive(PartialEq, Eq, Clone, Copy, Debug)]
15        pub enum Base {
16            $( #[$attr] $base, )*
17        }
18
19        impl Base {
20            /// Convert a number to the matching base algorithm, or `Error` if no algorithm is matching.
21            pub fn from_code(code: char) -> Result<Self> {
22        	    match code {
23                    $( $code => Ok(Self::$base), )*
24            	    _ => Err(Error::UnknownBase(code)),
25        	    }
26            }
27
28            /// Get the code corresponding to the base algorithm.
29            pub fn code(&self) -> char {
30                match self {
31                    $( Self::$base => $code, )*
32                }
33            }
34
35            /// Encode the given byte slice to base string.
36            pub fn encode<I: AsRef<[u8]>>(&self, input: I) -> String {
37                match self {
38                    $( Self::$base => $base::encode(input), )*
39                }
40            }
41
42            /// Decode the base string.
43            pub fn decode<I: AsRef<str>>(&self, input: I) -> Result<Vec<u8>> {
44                match self {
45                    $( Self::$base => $base::decode(input), )*
46                }
47            }
48        }
49    }
50}
51
52build_base_enum! {
53		/// 8-bit binary (encoder and decoder keeps data unmodified).
54		'\x00' => Identity,
55		/// Base2 (alphabet: 01).
56		'0' => Base2,
57		/// Base8 (alphabet: 01234567).
58		'7' => Base8,
59		/// Base10 (alphabet: 0123456789).
60		'9' => Base10,
61		/// Base16 lower hexadecimal (alphabet: 0123456789abcdef).
62		'f' => Base16Lower,
63		/// Base16 upper hexadecimal (alphabet: 0123456789ABCDEF).
64		'F' => Base16Upper,
65		 /// Base32, rfc4648 no padding (alphabet: abcdefghijklmnopqrstuvwxyz234567).
66		'b' => Base32Lower,
67		/// Base32, rfc4648 no padding (alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ234567).
68		'B' => Base32Upper,
69		/// Base32, rfc4648 with padding (alphabet: abcdefghijklmnopqrstuvwxyz234567).
70		'c' => Base32PadLower,
71		/// Base32, rfc4648 with padding (alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ234567).
72		'C' => Base32PadUpper,
73		/// Base32hex, rfc4648 no padding (alphabet: 0123456789abcdefghijklmnopqrstuv).
74		'v' => Base32HexLower,
75		/// Base32hex, rfc4648 no padding (alphabet: 0123456789ABCDEFGHIJKLMNOPQRSTUV).
76		'V' => Base32HexUpper,
77		/// Base32hex, rfc4648 with padding (alphabet: 0123456789abcdefghijklmnopqrstuv).
78		't' => Base32HexPadLower,
79		/// Base32hex, rfc4648 with padding (alphabet: 0123456789ABCDEFGHIJKLMNOPQRSTUV).
80		'T' => Base32HexPadUpper,
81		/// z-base-32 (used by Tahoe-LAFS) (alphabet: ybndrfg8ejkmcpqxot1uwisza345h769).
82		'h' => Base32Z,
83		/// Base36, [0-9a-z] no padding (alphabet: 0123456789abcdefghijklmnopqrstuvwxyz).
84		'k' => Base36Lower,
85		/// Base36, [0-9A-Z] no padding (alphabet: 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ).
86		'K' => Base36Upper,
87		/// Base58 flicker (alphabet: 123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ).
88		'Z' => Base58Flickr,
89		/// Base58 bitcoin (alphabet: 123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz).
90		'z' => Base58Btc,
91		/// Base64, rfc4648 no padding (alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/).
92		'm' => Base64,
93		/// Base64, rfc4648 with padding (alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/).
94		'M' => Base64Pad,
95		/// Base64 url, rfc4648 no padding (alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_).
96		'u' => Base64Url,
97		/// Base64 url, rfc4648 with padding (alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_).
98		'U' => Base64UrlPad,
99/// Base256Emoji (alphabet: 🚀🪐☄🛰🌌🌑🌒🌓🌔🌕🌖🌗🌘🌍🌏🌎🐉☀💻🖥💾💿😂❤😍🤣😊🙏💕😭😘👍😅👏😁🔥🥰💔💖💙😢🤔😆🙄💪😉☺👌🤗💜😔😎😇🌹🤦🎉💞✌✨🤷😱😌🌸🙌😋💗💚😏💛🙂💓🤩😄😀🖤😃💯🙈👇🎶😒🤭❣😜💋👀😪😑💥🙋😞😩😡🤪👊🥳😥🤤👉💃😳✋😚😝😴🌟😬🙃🍀🌷😻😓⭐✅🥺🌈😈🤘💦✔😣🏃💐☹🎊💘😠☝😕🌺🎂🌻😐🖕💝🙊😹🗣💫💀👑🎵🤞😛🔴😤🌼😫⚽🤙☕🏆🤫👈😮🙆🍻🍃🐶💁😲🌿🧡🎁⚡🌞🎈❌✊👋😰🤨😶🤝🚶💰🍓💢🤟🙁🚨💨🤬✈🎀🍺🤓😙💟🌱😖👶🥴▶➡❓💎💸⬇😨🌚🦋😷🕺⚠🙅😟😵👎🤲🤠🤧📌🔵💅🧐🐾🍒😗🤑🌊🤯🐷☎💧😯💆👆🎤🙇🍑❄🌴💣🐸💌📍🥀🤢👅💡💩👐📸👻🤐🤮🎼🥵🚩🍎🍊👼💍📣🥂)
100		'🚀' => Base256Emoji,
101}
ipld_nostd/multibase/base.rs

ipld_nostd/multibase/
base.rs
