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discogs: make vinyl release number calculation even simpler

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Use basic binary to get rid of uppercase/lowercase issue.
This commit is contained in:
Laurent Monin 2015-06-23 01:54:37 +02:00
parent 3bb072da97
commit bb83f406d6
1 changed files with 2 additions and 6 deletions
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8
discogs_importer.user.js
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@ -663,12 +663,8 @@ function parseDiscogsRelease(data) {
}
} else {
if (trackPosition.match(/^[A-Z]\d*$/i)) { // Vinyl or cassette, handle it specially
var code = trackPosition.toUpperCase().charCodeAt(0);
// A-Z
if (65 <= code && code <= 90) {
code = code - 65;
}
releaseNumber = (code-code%2)/2+1;
// A,B -> 1; C,D -> 2; E,F -> 3, etc...
releaseNumber = ((32|trackPosition.charCodeAt(0))-97>>1)+1;
lastPosition++;
} else if (trackPosition.match(/^[A-Z]+\d*$/i)) { // Vinyl or cassette, handle it specially
// something like AA1, exemple : http://www.discogs.com/release/73531