Tons of Solutions Engineering work done today for the rest of the CS team! Headway, Howard Hanna, Engels, Brighton, etc. Also completed Datasnippers auth flow and worked on Anthology's script. Cloned Anthology's courses (900..) and will clone Full Story on Monday.
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39
Scripts/node_modules/unbzip2-stream/lib/bit_iterator.js
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39
Scripts/node_modules/unbzip2-stream/lib/bit_iterator.js
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var BITMASK = [0, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F, 0xFF];
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// returns a function that reads bits.
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// takes a buffer iterator as input
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module.exports = function bitIterator(nextBuffer) {
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var bit = 0, byte = 0;
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var bytes = nextBuffer();
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var f = function(n) {
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if (n === null && bit != 0) { // align to byte boundary
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bit = 0
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byte++;
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return;
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}
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var result = 0;
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while(n > 0) {
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if (byte >= bytes.length) {
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byte = 0;
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bytes = nextBuffer();
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}
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var left = 8 - bit;
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if (bit === 0 && n > 0)
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f.bytesRead++;
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if (n >= left) {
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result <<= left;
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result |= (BITMASK[left] & bytes[byte++]);
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bit = 0;
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n -= left;
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} else {
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result <<= n;
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result |= ((bytes[byte] & (BITMASK[n] << (8 - n - bit))) >> (8 - n - bit));
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bit += n;
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n = 0;
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}
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}
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return result;
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};
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f.bytesRead = 0;
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return f;
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};
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