source: trip-planner-front/node_modules/hdr-histogram-js/dist/ByteBuffer.js@ fa375fe

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const { pow, floor } = Math;
const TWO_POW_32 = pow(2, 32);
/**
 * Mimic Java's ByteBufffer with big endian order
 */
class ByteBuffer {
    constructor(data) {
        this.position = 0;
        this.data = data;
        this.int32ArrayForConvert = new Uint32Array(1);
        this.int8ArrayForConvert = new Uint8Array(this.int32ArrayForConvert.buffer);
    }
    static allocate(size = 16) {
        return new ByteBuffer(new Uint8Array(size));
    }
    put(value) {
        if (this.position === this.data.length) {
            const oldArray = this.data;
            this.data = new Uint8Array(this.data.length * 2);
            this.data.set(oldArray);
        }
        this.data[this.position] = value;
        this.position++;
    }
    putInt32(value) {
        if (this.data.length - this.position < 4) {
            const oldArray = this.data;
            this.data = new Uint8Array(this.data.length * 2 + 4);
            this.data.set(oldArray);
        }
        this.int32ArrayForConvert[0] = value;
        this.data.set(this.int8ArrayForConvert.reverse(), this.position);
        this.position += 4;
    }
    putInt64(value) {
        this.putInt32(floor(value / TWO_POW_32));
        this.putInt32(value);
    }
    putArray(array) {
        if (this.data.length - this.position < array.byteLength) {
            const oldArray = this.data;
            this.data = new Uint8Array(this.position + array.byteLength);
            this.data.set(oldArray);
        }
        this.data.set(array, this.position);
        this.position += array.byteLength;
    }
    get() {
        const value = this.data[this.position];
        this.position++;
        return value;
    }
    getInt32() {
        this.int8ArrayForConvert.set(this.data.slice(this.position, this.position + 4).reverse());
        const value = this.int32ArrayForConvert[0];
        this.position += 4;
        return value;
    }
    getInt64() {
        const high = this.getInt32();
        const low = this.getInt32();
        return high * TWO_POW_32 + low;
    }
    resetPosition() {
        this.position = 0;
    }
}
exports.default = ByteBuffer;
//# sourceMappingURL=ByteBuffer.js.map