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Better delimeter parsing for From Base85

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TheSavageTeddy 2022-11-25 10:36:08 +08:00
parent 72889d1c20
commit 66cbc6908a
1 changed files with 9 additions and 2 deletions
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11
src/core/operations/FromBase85.mjs
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@ -91,8 +91,11 @@ class FromBase85 extends Operation {
// Remove non-alphabet characters // Remove non-alphabet characters
if (removeNonAlphChars) { if (removeNonAlphChars) {
const re = new RegExp("[^" + alphabet.replace(/[[\]\\\-^$]/g, "\\$&") + "]", "g"); const re = new RegExp("[^" + "z~" +alphabet.replace(/[[\]\\\-^$]/g, "\\$&") + "]", "g");
input = input.replace(re, ""); input = input.replace(re, "");
// Remove delimiters again if present (incase of non-alphabet characters in front/behind delimiters)
const matches = input.match(/^<~(.+?)~>$/);
if (matches !== null) input = matches[1];
} }
if (input.length === 0) return []; if (input.length === 0) return [];
@ -111,7 +114,11 @@ class FromBase85 extends Operation {
.map((chr, idx) => { .map((chr, idx) => {
const digit = alphabet.indexOf(chr); const digit = alphabet.indexOf(chr);
if (digit < 0 || digit > 84) { if (digit < 0 || digit > 84) {
throw `Invalid character '${chr}' at index ${i + idx}`; if (chr === "z"){
// Pass (Ignore character)
}else{
throw `Invalid character '${chr}' at index ${i + idx}`;
}
} }
return digit; return digit;
}); });