Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /var/www/html/okanime.top/layout/default/node_modules/hls.js/src/loader/ |
import { AttrList } from '../utils/attr-list';
import { logger } from '../utils/logger';
// Avoid exporting const enum so that these values can be inlined
const enum DateRangeAttribute {
ID = 'ID',
CLASS = 'CLASS',
START_DATE = 'START-DATE',
DURATION = 'DURATION',
END_DATE = 'END-DATE',
END_ON_NEXT = 'END-ON-NEXT',
PLANNED_DURATION = 'PLANNED-DURATION',
SCTE35_OUT = 'SCTE35-OUT',
SCTE35_IN = 'SCTE35-IN',
}
export function isDateRangeCueAttribute(attrName: string): boolean {
return (
attrName !== DateRangeAttribute.ID &&
attrName !== DateRangeAttribute.CLASS &&
attrName !== DateRangeAttribute.START_DATE &&
attrName !== DateRangeAttribute.DURATION &&
attrName !== DateRangeAttribute.END_DATE &&
attrName !== DateRangeAttribute.END_ON_NEXT
);
}
export function isSCTE35Attribute(attrName: string): boolean {
return (
attrName === DateRangeAttribute.SCTE35_OUT ||
attrName === DateRangeAttribute.SCTE35_IN
);
}
export class DateRange {
public attr: AttrList;
private _startDate: Date;
private _endDate?: Date;
private _badValueForSameId?: string;
constructor(dateRangeAttr: AttrList, dateRangeWithSameId?: DateRange) {
if (dateRangeWithSameId) {
const previousAttr = dateRangeWithSameId.attr;
for (const key in previousAttr) {
if (
Object.prototype.hasOwnProperty.call(dateRangeAttr, key) &&
dateRangeAttr[key] !== previousAttr[key]
) {
logger.warn(
`DATERANGE tag attribute: "${key}" does not match for tags with ID: "${dateRangeAttr.ID}"`
);
this._badValueForSameId = key;
break;
}
}
// Merge DateRange tags with the same ID
dateRangeAttr = Object.assign(
new AttrList({}),
previousAttr,
dateRangeAttr
);
}
this.attr = dateRangeAttr;
this._startDate = new Date(dateRangeAttr[DateRangeAttribute.START_DATE]);
if (DateRangeAttribute.END_DATE in this.attr) {
const endDate = new Date(this.attr[DateRangeAttribute.END_DATE]);
if (Number.isFinite(endDate.getTime())) {
this._endDate = endDate;
}
}
}
get id(): string {
return this.attr.ID;
}
get class(): string {
return this.attr.CLASS;
}
get startDate(): Date {
return this._startDate;
}
get endDate(): Date | null {
if (this._endDate) {
return this._endDate;
}
const duration = this.duration;
if (duration !== null) {
return new Date(this._startDate.getTime() + duration * 1000);
}
return null;
}
get duration(): number | null {
if (DateRangeAttribute.DURATION in this.attr) {
const duration = this.attr.decimalFloatingPoint(
DateRangeAttribute.DURATION
);
if (Number.isFinite(duration)) {
return duration;
}
} else if (this._endDate) {
return (this._endDate.getTime() - this._startDate.getTime()) / 1000;
}
return null;
}
get plannedDuration(): number | null {
if (DateRangeAttribute.PLANNED_DURATION in this.attr) {
return this.attr.decimalFloatingPoint(
DateRangeAttribute.PLANNED_DURATION
);
}
return null;
}
get endOnNext(): boolean {
return this.attr.bool(DateRangeAttribute.END_ON_NEXT);
}
get isValid(): boolean {
return (
!!this.id &&
!this._badValueForSameId &&
Number.isFinite(this.startDate.getTime()) &&
(this.duration === null || this.duration >= 0) &&
(!this.endOnNext || !!this.class)
);
}
}