54 lines
2.4 KiB
JavaScript
54 lines
2.4 KiB
JavaScript
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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import ArrayFormatBase from './ArrayFormatBase.js';
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var ImageDataDirectoryArray = /** @class */ (function (_super) {
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__extends(ImageDataDirectoryArray, _super);
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function ImageDataDirectoryArray(view) {
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var _this = _super.call(this, view) || this;
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_this.length = 16;
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return _this;
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}
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/** @note This does not clone binary data; the changes to the array will modify the specified buffer `bin` */
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ImageDataDirectoryArray.from = function (bin, offset) {
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if (offset === void 0) { offset = 0; }
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return new ImageDataDirectoryArray(new DataView(bin, offset, 128));
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};
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ImageDataDirectoryArray.prototype.get = function (index) {
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return {
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virtualAddress: this.view.getUint32(index * 8, true),
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size: this.view.getUint32(4 + index * 8, true),
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};
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};
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ImageDataDirectoryArray.prototype.set = function (index, data) {
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this.view.setUint32(index * 8, data.virtualAddress, true);
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this.view.setUint32(4 + index * 8, data.size, true);
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};
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ImageDataDirectoryArray.prototype.findIndexByVirtualAddress = function (virtualAddress) {
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for (var i = 0; i < 16; ++i) {
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var va = this.view.getUint32(i * 8, true);
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var vs = this.view.getUint32(4 + i * 8, true);
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if (virtualAddress >= va && virtualAddress < va + vs) {
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return i;
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}
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}
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return null;
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};
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ImageDataDirectoryArray.size = 128; // 16 * 8
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ImageDataDirectoryArray.itemSize = 8;
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return ImageDataDirectoryArray;
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}(ArrayFormatBase));
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export default ImageDataDirectoryArray;
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