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42 lines
1.1 KiB
TypeScript
42 lines
1.1 KiB
TypeScript
import { CommandParser } from '../client/parser';
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import { RedisArgument, NumberReply, Command } from '../RESP/types';
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import { BitValue } from './generic-transformers';
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export default {
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CACHEABLE: true,
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IS_READ_ONLY: true,
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/**
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* Returns the position of first bit set to 0 or 1 in a string
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* @param parser - The Redis command parser
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* @param key - The key holding the string
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* @param bit - The bit value to look for (0 or 1)
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* @param start - Optional starting position in bytes/bits
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* @param end - Optional ending position in bytes/bits
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* @param mode - Optional counting mode: BYTE or BIT
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*/
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parseCommand(parser: CommandParser,
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key: RedisArgument,
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bit: BitValue,
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start?: number,
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end?: number,
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mode?: 'BYTE' | 'BIT'
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) {
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parser.push('BITPOS');
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parser.pushKey(key);
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parser.push(bit.toString());
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if (start !== undefined) {
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parser.push(start.toString());
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}
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if (end !== undefined) {
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parser.push(end.toString());
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}
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if (mode) {
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parser.push(mode);
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}
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},
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transformReply: undefined as unknown as () => NumberReply
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} as const satisfies Command;
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