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50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
"use strict";
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module.exports = ($version) => {
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let version = $version();
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// FIXME: assert string
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let parts = [];
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let currentPart = "";
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let isNumber = null;
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function finalizePart() {
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if (currentPart !== "") {
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// NOTE: Numbers get added to the list as strings anyway. This is really weird considering `nix-env -u`s comparison logic, but it's how upstream Nix works too.
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parts.push(currentPart);
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currentPart = "";
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isNumber = null;
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}
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}
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// SPEC: Is it correct to assume that only the ASCII character set is supported here?
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// TODO: Replace this with a proper parser some day; maybe use it as a testcase for protocolkit?
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for (let i = 0; i < version.length; i++) {
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let code = version.charCodeAt(i);
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if (code >= 48 && code <= 57) {
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// Digit
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if (isNumber !== true) {
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finalizePart();
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isNumber = true;
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}
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currentPart += version[i];
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} else if ((code >= 65 && code <= 90) || (code >= 97 && code <= 122)) {
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// Letter (uppercase and lowercase respectively)
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if (isNumber !== false) {
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finalizePart();
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isNumber = false;
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}
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currentPart += version[i];
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} else {
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finalizePart();
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}
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}
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finalizePart();
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return parts;
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};
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