/*
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* @copyright (c) 2016, Philipp Thürwächter & Pattrick Hüper
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* @copyright (c) 2007-present, Stephen Colebourne & Michael Nascimento Santos
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* @license BSD-3-Clause (see LICENSE in the root directory of this source tree)
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*/
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import { DateTimeException } from '../errors';
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import { DateTimeFormatter } from './DateTimeFormatter';
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/**
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* @private
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*/
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export class DateTimePrintContext{
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/**
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*
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* @param {TemporalAccessor} temporal
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* @param {DateTimeFormatter|Locale} localeOrFormatter
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* @param {DecimalStyle} symbols
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*/
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constructor(temporal, localeOrFormatter, symbols) {
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if(arguments.length === 2 && arguments[1] instanceof DateTimeFormatter){
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this._temporal = DateTimePrintContext.adjust(temporal, localeOrFormatter);
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this._locale = localeOrFormatter.locale();
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this._symbols = localeOrFormatter.decimalStyle();
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} else {
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this._temporal = temporal;
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this._locale = localeOrFormatter;
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this._symbols = symbols;
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}
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this._optional = 0;
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}
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/**
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*
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* @param {TemporalAccessor} temporal
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* @param {DateTimeFormatter} formatter
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* @returns {TemporalAccessor}
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*/
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// eslint-disable-next-line no-unused-vars
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static adjust(temporal, formatter) {
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// TODO implement
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return temporal;
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}
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symbols(){
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return this._symbols;
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}
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/**
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* Starts the printing of an optional segment of the input.
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*/
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startOptional() {
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this._optional++;
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}
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/**
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* Ends the printing of an optional segment of the input.
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*/
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endOptional() {
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this._optional--;
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}
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/**
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* Gets a value using a query.
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*
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* @param {TemporalQuery} query the query to use, not null
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* @return {*} the result, null if not found and optional is true
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* @throws DateTimeException if the type is not available and the section is not optional
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*/
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getValueQuery(query) {
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const result = this._temporal.query(query);
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if (result == null && this._optional === 0) {
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throw new DateTimeException(`Unable to extract value: ${this._temporal}`);
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}
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return result;
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}
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/**
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* Gets the value of the specified field.
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*
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* This will return the value for the specified field.
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*
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* @param field the field to find, not null
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* @return the value, null if not found and optional is true
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* @throws DateTimeException if the field is not available and the section is not optional
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*/
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getValue(field) {
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try {
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return this._temporal.getLong(field);
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} catch (ex) {
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if ((ex instanceof DateTimeException) && this._optional > 0) {
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return null;
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}
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throw ex;
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}
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}
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//-----------------------------------------------------------------------
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/**
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* Gets the temporal object being output.
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*
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* @return {TemporalAccessor} the temporal object, not null
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*/
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temporal() {
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return this._temporal;
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}
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/**
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* Gets the locale.
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* <p>
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* This locale is used to control localization in the print output except
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* where localization is controlled by the symbols.
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*
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* @return the locale, not null
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*/
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locale() {
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return this._locale;
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}
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//-------------------------------------------------------------------------
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// for testing
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/**
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* Sets the date-time being output.
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*
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* @param temporal the date-time object, not null
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*/
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setDateTime(temporal) {
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this._temporal = temporal;
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}
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setLocale(locale) {
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this._locale = locale;
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}
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}
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