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This commit is contained in:
Jean-Marie Mineau 2024-01-19 16:41:59 +01:00
parent 3f521b5754
commit 7b6a5980c8
Signed by: histausse
GPG key ID: B66AEEDA9B645AD2
6 changed files with 210 additions and 8 deletions
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145
apk_frauder/src/cp437.rs
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@ -1,4 +1,5 @@
/// Convert cp437 encoded string to [`String`].
use crate::error::Error;
pub fn cp437_char_to_char(input: u8) -> char {
char::from_u32(match input {
@ -138,3 +139,147 @@ pub fn cp437_char_to_char(input: u8) -> char {
pub fn cp437_to_string(input: &[u8]) -> String {
input.iter().cloned().map(cp437_char_to_char).collect()
}
pub fn char_to_cp437_char(input: char) -> Result<u8, Error> {
let input: u32 = input.into();
match input {
0x00..=0x7f => Ok(input as u8),
0x00c7 => Ok(0x80),
0x00fc => Ok(0x81),
0x00e9 => Ok(0x82),
0x00e2 => Ok(0x83),
0x00e4 => Ok(0x84),
0x00e0 => Ok(0x85),
0x00e5 => Ok(0x86),
0x00e7 => Ok(0x87),
0x00ea => Ok(0x88),
0x00eb => Ok(0x89),
0x00e8 => Ok(0x8a),
0x00ef => Ok(0x8b),
0x00ee => Ok(0x8c),
0x00ec => Ok(0x8d),
0x00c4 => Ok(0x8e),
0x00c5 => Ok(0x8f),
0x00c9 => Ok(0x90),
0x00e6 => Ok(0x91),
0x00c6 => Ok(0x92),
0x00f4 => Ok(0x93),
0x00f6 => Ok(0x94),
0x00f2 => Ok(0x95),
0x00fb => Ok(0x96),
0x00f9 => Ok(0x97),
0x00ff => Ok(0x98),
0x00d6 => Ok(0x99),
0x00dc => Ok(0x9a),
0x00a2 => Ok(0x9b),
0x00a3 => Ok(0x9c),
0x00a5 => Ok(0x9d),
0x20a7 => Ok(0x9e),
0x0192 => Ok(0x9f),
0x00e1 => Ok(0xa0),
0x00ed => Ok(0xa1),
0x00f3 => Ok(0xa2),
0x00fa => Ok(0xa3),
0x00f1 => Ok(0xa4),
0x00d1 => Ok(0xa5),
0x00aa => Ok(0xa6),
0x00ba => Ok(0xa7),
0x00bf => Ok(0xa8),
0x2310 => Ok(0xa9),
0x00ac => Ok(0xaa),
0x00bd => Ok(0xab),
0x00bc => Ok(0xac),
0x00a1 => Ok(0xad),
0x00ab => Ok(0xae),
0x00bb => Ok(0xaf),
0x2591 => Ok(0xb0),
0x2592 => Ok(0xb1),
0x2593 => Ok(0xb2),
0x2502 => Ok(0xb3),
0x2524 => Ok(0xb4),
0x2561 => Ok(0xb5),
0x2562 => Ok(0xb6),
0x2556 => Ok(0xb7),
0x2555 => Ok(0xb8),
0x2563 => Ok(0xb9),
0x2551 => Ok(0xba),
0x2557 => Ok(0xbb),
0x255d => Ok(0xbc),
0x255c => Ok(0xbd),
0x255b => Ok(0xbe),
0x2510 => Ok(0xbf),
0x2514 => Ok(0xc0),
0x2534 => Ok(0xc1),
0x252c => Ok(0xc2),
0x251c => Ok(0xc3),
0x2500 => Ok(0xc4),
0x253c => Ok(0xc5),
0x255e => Ok(0xc6),
0x255f => Ok(0xc7),
0x255a => Ok(0xc8),
0x2554 => Ok(0xc9),
0x2569 => Ok(0xca),
0x2566 => Ok(0xcb),
0x2560 => Ok(0xcc),
0x2550 => Ok(0xcd),
0x256c => Ok(0xce),
0x2567 => Ok(0xcf),
0x2568 => Ok(0xd0),
0x2564 => Ok(0xd1),
0x2565 => Ok(0xd2),
0x2559 => Ok(0xd3),
0x2558 => Ok(0xd4),
0x2552 => Ok(0xd5),
0x2553 => Ok(0xd6),
0x256b => Ok(0xd7),
0x256a => Ok(0xd8),
0x2518 => Ok(0xd9),
0x250c => Ok(0xda),
0x2588 => Ok(0xdb),
0x2584 => Ok(0xdc),
0x258c => Ok(0xdd),
0x2590 => Ok(0xde),
0x2580 => Ok(0xdf),
0x03b1 => Ok(0xe0),
0x00df => Ok(0xe1),
0x0393 => Ok(0xe2),
0x03c0 => Ok(0xe3),
0x03a3 => Ok(0xe4),
0x03c3 => Ok(0xe5),
0x00b5 => Ok(0xe6),
0x03c4 => Ok(0xe7),
0x03a6 => Ok(0xe8),
0x0398 => Ok(0xe9),
0x03a9 => Ok(0xea),
0x03b4 => Ok(0xeb),
0x221e => Ok(0xec),
0x03c6 => Ok(0xed),
0x03b5 => Ok(0xee),
0x2229 => Ok(0xef),
0x2261 => Ok(0xf0),
0x00b1 => Ok(0xf1),
0x2265 => Ok(0xf2),
0x2264 => Ok(0xf3),
0x2320 => Ok(0xf4),
0x2321 => Ok(0xf5),
0x00f7 => Ok(0xf6),
0x2248 => Ok(0xf7),
0x00b0 => Ok(0xf8),
0x2219 => Ok(0xf9),
0x00b7 => Ok(0xfa),
0x221a => Ok(0xfb),
0x207f => Ok(0xfc),
0x00b2 => Ok(0xfd),
0x25a0 => Ok(0xfe),
0x00a0 => Ok(0xff),
_ => Err(Error::NotCp437),
}
}
pub fn string_to_cp437(input: &str) -> Result<Vec<u8>, Error> {
let mut bin = vec![];
for cha in input.chars() {
bin.push(char_to_cp437_char(cha)?);
}
Ok(bin)
}