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// SPDX-License-Identifier: 0BSD
export function extractHeaderComments(code: string) {
const comments: string[] = [];
let currChar;
let nextChar;
let offset = 0;
while (offset < code.length) {
currChar = code[offset];
nextChar = code[offset + 1];
if (currChar + nextChar === "//") {
const commentStart = offset + 2;
const commentEnd = code.indexOf("\n", commentStart);
const comment = code.substring(commentStart, commentEnd).trim();
comments.push(comment);
offset = commentEnd + 2;
} else if (currChar + nextChar === "/*") {
const commentStart = offset + 2;
const commentEnd = code.indexOf("*/", commentStart);
const comment = code.substring(commentStart, commentEnd)
.split(/\r?\n/)
.map(line => line.substring(line.indexOf("*") + 1).trim())
.join("\n");
comments.push(comment);
offset = commentEnd + 2;
} else if (/\s/.test(currChar)) {
offset += 1;
} else {
break;
}
}
return comments;
}
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March 6, 2024