/*
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* Copyright 2013 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import Token from './Token';
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import Integer from '../../util/Integer';
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export default /*final*/ class SimpleToken extends Token {
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constructor(previous, value, bitCount) {
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super(previous);
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this.value = value;
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this.bitCount = bitCount;
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}
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/**
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* @Override
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*/
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appendTo(bitArray, text) {
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bitArray.appendBits(this.value, this.bitCount);
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}
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add(value, bitCount) {
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return new SimpleToken(this, value, bitCount);
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}
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addBinaryShift(start, byteCount) {
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// no-op can't binary shift a simple token
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console.warn('addBinaryShift on SimpleToken, this simply returns a copy of this token');
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return new SimpleToken(this, start, byteCount);
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}
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/**
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* @Override
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*/
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toString() {
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let value = this.value & ((1 << this.bitCount) - 1);
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value |= 1 << this.bitCount;
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return '<' + Integer.toBinaryString(value | (1 << this.bitCount)).substring(1) + '>';
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}
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}
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