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"use strict";
/**
* @author jdiaz5513
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.set = exports.get = exports.initList = exports.List = void 0;
const tslib_1 = require("tslib");
const debug_1 = tslib_1.__importDefault(require("debug"));
const errors_1 = require("../../errors");
const util_1 = require("../../util");
const list_element_size_1 = require("../list-element-size");
const object_size_1 = require("../object-size");
const pointer_1 = require("./pointer");
const trace = debug_1.default("capnp:list");
trace("load");
/**
* A generic list class. Implements Filterable,
*/
class List extends pointer_1.Pointer {
static toString() {
return this._capnp.displayName;
}
all(callbackfn) {
const length = this.getLength();
for (let i = 0; i < length; i++) {
if (!callbackfn(this.get(i), i))
return false;
}
return true;
}
any(callbackfn) {
const length = this.getLength();
for (let i = 0; i < length; i++) {
if (callbackfn(this.get(i), i))
return true;
}
return false;
}
ap(callbackfns) {
const length = this.getLength();
const res = [];
for (let i = 0; i < length; i++) {
res.push(...callbackfns.map((f) => f(this.get(i), i)));
}
return res;
}
concat(other) {
const length = this.getLength();
const otherLength = other.getLength();
const res = new Array(length + otherLength);
for (let i = 0; i < length; i++)
res[i] = this.get(i);
for (let i = 0; i < otherLength; i++)
res[i + length] = other.get(i);
return res;
}
drop(n) {
const length = this.getLength();
const res = new Array(length);
for (let i = n; i < length; i++)
res[i] = this.get(i);
return res;
}
dropWhile(callbackfn) {
const length = this.getLength();
const res = [];
let drop = true;
for (let i = 0; i < length; i++) {
const v = this.get(i);
if (drop)
drop = callbackfn(v, i);
if (!drop)
res.push(v);
}
return res;
}
empty() {
return [];
}
every(callbackfn) {
return this.all(callbackfn);
}
filter(callbackfn) {
const length = this.getLength();
const res = [];
for (let i = 0; i < length; i++) {
const value = this.get(i);
if (callbackfn(value, i))
res.push(value);
}
return res;
}
find(callbackfn) {
const length = this.getLength();
for (let i = 0; i < length; i++) {
const value = this.get(i);
if (callbackfn(value, i))
return value;
}
return undefined;
}
findIndex(callbackfn) {
const length = this.getLength();
for (let i = 0; i < length; i++) {
const value = this.get(i);
if (callbackfn(value, i))
return i;
}
return -1;
}
forEach(callbackfn) {
const length = this.getLength();
for (let i = 0; i < length; i++)
callbackfn(this.get(i), i);
}
get(_index) {
return get(_index, this);
}
/**
* Get the length of this list.
*
* @returns {number} The number of elements in this list.
*/
getLength() {
return pointer_1.getTargetListLength(this);
}
groupBy(callbackfn) {
const length = this.getLength();
const res = {};
for (let i = 0; i < length; i++) {
const v = this.get(i);
res[callbackfn(v, i)] = v;
}
return res;
}
intersperse(sep) {
const length = this.getLength();
const res = new Array(length);
for (let i = 0; i < length; i++) {
if (i > 0)
res.push(sep);
res.push(this.get(i));
}
return res;
}
map(callbackfn) {
const length = this.getLength();
const res = new Array(length);
for (let i = 0; i < length; i++)
res[i] = callbackfn(this.get(i), i);
return res;
}
reduce(callbackfn, initialValue) {
let i = 0;
let res;
if (initialValue === undefined) {
res = this.get(0);
i++;
}
else {
res = initialValue;
}
for (; i < this.getLength(); i++)
res = callbackfn(res, this.get(i), i);
return res;
}
set(_index, _value) {
set(_index, _value, this);
}
slice(start = 0, end) {
const length = end ? Math.min(this.getLength(), end) : this.getLength();
const res = new Array(length - start);
for (let i = start; i < length; i++)
res[i] = this.get(i);
return res;
}
some(callbackfn) {
return this.any(callbackfn);
}
take(n) {
const length = Math.min(this.getLength(), n);
const res = new Array(length);
for (let i = 0; i < length; i++)
res[i] = this.get(i);
return res;
}
takeWhile(callbackfn) {
const length = this.getLength();
const res = [];
let take;
for (let i = 0; i < length; i++) {
const v = this.get(i);
take = callbackfn(v, i);
if (!take)
return res;
res.push(v);
}
return res;
}
toArray() {
return this.map(util_1.identity);
}
toString() {
return `List_${super.toString()}`;
}
}
exports.List = List;
List._capnp = {
displayName: "List<Generic>",
size: list_element_size_1.ListElementSize.VOID,
};
List.get = get;
List.initList = initList;
List.set = set;
/**
* Initialize the list with the given element size and length. This will allocate new space for the list, ideally in
* the same segment as this pointer.
*
* @param {ListElementSize} elementSize The size of each element in the list.
* @param {number} length The number of elements in the list.
* @param {List<T>} l The list to initialize.
* @param {ObjectSize} [compositeSize] The size of each element in a composite list. This value is required for
* composite lists.
* @returns {void}
*/
function initList(elementSize, length, l, compositeSize) {
let c;
switch (elementSize) {
case list_element_size_1.ListElementSize.BIT:
c = l.segment.allocate(Math.ceil(length / 8));
break;
case list_element_size_1.ListElementSize.BYTE:
case list_element_size_1.ListElementSize.BYTE_2:
case list_element_size_1.ListElementSize.BYTE_4:
case list_element_size_1.ListElementSize.BYTE_8:
case list_element_size_1.ListElementSize.POINTER:
c = l.segment.allocate(length * pointer_1.getListElementByteLength(elementSize));
break;
case list_element_size_1.ListElementSize.COMPOSITE: {
if (compositeSize === undefined) {
throw new Error(util_1.format(errors_1.PTR_COMPOSITE_SIZE_UNDEFINED));
}
compositeSize = object_size_1.padToWord(compositeSize);
const byteLength = object_size_1.getByteLength(compositeSize) * length;
// We need to allocate an extra 8 bytes for the tag word, then make sure we write the length to it. We advance
// the content pointer by 8 bytes so that it then points to the first list element as intended. Everything
// starts off zeroed out so these nested structs don't need to be initialized in any way.
c = l.segment.allocate(byteLength + 8);
pointer_1.setStructPointer(length, compositeSize, c);
trace("Wrote composite tag word %s for %s.", c, l);
break;
}
case list_element_size_1.ListElementSize.VOID:
// No need to allocate anything, we can write the list pointer right here.
pointer_1.setListPointer(0, elementSize, length, l);
return;
default:
throw new Error(util_1.format(errors_1.PTR_INVALID_LIST_SIZE, elementSize));
}
const res = pointer_1.initPointer(c.segment, c.byteOffset, l);
pointer_1.setListPointer(res.offsetWords, elementSize, length, res.pointer, compositeSize);
}
exports.initList = initList;
// eslint-disable-next-line @typescript-eslint/no-unused-vars
function get(_index, _l) {
throw new TypeError();
}
exports.get = get;
// eslint-disable-next-line @typescript-eslint/no-unused-vars
function set(_index, _value, _l) {
throw new TypeError();
}
exports.set = set;
//# sourceMappingURL=list.js.map |