@webarkit/jsfeat-next/dist/src/cache/cache.js

Typescript version of jsfeat for WebARKit

import _pool_node_t from "./../node_utils/_pool_node_t";
export class cache {
    _pool_head;
    _pool_tail;
    _pool_size;
    constructor() {
        this._pool_head;
        this._pool_tail;
        this._pool_size = 0;
    }
    allocate(capacity, data_size) {
        this._pool_head = this._pool_tail = new _pool_node_t(data_size);
        for (let i = 0; i < capacity; ++i) {
            const node = new _pool_node_t(data_size);
            this._pool_tail = this._pool_tail.next = node;
            this._pool_size++;
        }
    }
    get_buffer(size_in_bytes) {
        const node = this._pool_head;
        this._pool_head = this._pool_head.next;
        this._pool_size--;
        if (size_in_bytes > node.size) {
            node.resize(size_in_bytes);
        }
        return node;
    }
    put_buffer(node) {
        this._pool_tail = this._pool_tail.next = node;
        this._pool_size++;
    }
}
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