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js/src/builtin/Date.js@6474c204b198 (annotated)

js/src/builtin/Date.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	/*global intl_DateTimeFormat: false, */
michael@0	6
michael@0	7
michael@0	8	var dateTimeFormatCache = new Record();
michael@0	9
michael@0	10
michael@0	11	/**
michael@0	12	* Format this Date object into a date and time string, using the locale and
michael@0	13	* formatting options provided.
michael@0	14	*
michael@0	15	* Spec: ECMAScript Language Specification, 5.1 edition, 15.9.5.5.
michael@0	16	* Spec: ECMAScript Internationalization API Specification, 13.3.1.
michael@0	17	*/
michael@0	18	function Date_toLocaleString() {
michael@0	19	// Steps 1-2. Note that valueOf enforces "this time value" restrictions.
michael@0	20	var x = callFunction(std_Date_valueOf, this);
michael@0	21	if (std_isNaN(x))
michael@0	22	return "Invalid Date";
michael@0	23
michael@0	24	// Steps 3-4.
michael@0	25	var locales = arguments.length > 0 ? arguments[0] : undefined;
michael@0	26	var options = arguments.length > 1 ? arguments[1] : undefined;
michael@0	27
michael@0	28	// Step 5-6.
michael@0	29	var dateTimeFormat;
michael@0	30	if (locales === undefined && options === undefined) {
michael@0	31	// This cache only optimizes for the old ES5 toLocaleString without
michael@0	32	// locales and options.
michael@0	33	if (dateTimeFormatCache.dateTimeFormat === undefined) {
michael@0	34	options = ToDateTimeOptions(options, "any", "all");
michael@0	35	dateTimeFormatCache.dateTimeFormat = intl_DateTimeFormat(locales, options);
michael@0	36	}
michael@0	37	dateTimeFormat = dateTimeFormatCache.dateTimeFormat;
michael@0	38	} else {
michael@0	39	options = ToDateTimeOptions(options, "any", "all");
michael@0	40	dateTimeFormat = intl_DateTimeFormat(locales, options);
michael@0	41	}
michael@0	42
michael@0	43	// Step 7.
michael@0	44	return intl_FormatDateTime(dateTimeFormat, x);
michael@0	45	}
michael@0	46
michael@0	47
michael@0	48	/**
michael@0	49	* Format this Date object into a date string, using the locale and formatting
michael@0	50	* options provided.
michael@0	51	*
michael@0	52	* Spec: ECMAScript Language Specification, 5.1 edition, 15.9.5.6.
michael@0	53	* Spec: ECMAScript Internationalization API Specification, 13.3.2.
michael@0	54	*/
michael@0	55	function Date_toLocaleDateString() {
michael@0	56	// Steps 1-2. Note that valueOf enforces "this time value" restrictions.
michael@0	57	var x = callFunction(std_Date_valueOf, this);
michael@0	58	if (std_isNaN(x))
michael@0	59	return "Invalid Date";
michael@0	60
michael@0	61	// Steps 3-4.
michael@0	62	var locales = arguments.length > 0 ? arguments[0] : undefined;
michael@0	63	var options = arguments.length > 1 ? arguments[1] : undefined;
michael@0	64
michael@0	65	// Step 5-6.
michael@0	66	var dateTimeFormat;
michael@0	67	if (locales === undefined && options === undefined) {
michael@0	68	// This cache only optimizes for the old ES5 toLocaleDateString without
michael@0	69	// locales and options.
michael@0	70	if (dateTimeFormatCache.dateFormat === undefined) {
michael@0	71	options = ToDateTimeOptions(options, "date", "date");
michael@0	72	dateTimeFormatCache.dateFormat = intl_DateTimeFormat(locales, options);
michael@0	73	}
michael@0	74	dateTimeFormat = dateTimeFormatCache.dateFormat;
michael@0	75	} else {
michael@0	76	options = ToDateTimeOptions(options, "date", "date");
michael@0	77	dateTimeFormat = intl_DateTimeFormat(locales, options);
michael@0	78	}
michael@0	79
michael@0	80	// Step 7.
michael@0	81	return intl_FormatDateTime(dateTimeFormat, x);
michael@0	82	}
michael@0	83
michael@0	84
michael@0	85	/**
michael@0	86	* Format this Date object into a time string, using the locale and formatting
michael@0	87	* options provided.
michael@0	88	*
michael@0	89	* Spec: ECMAScript Language Specification, 5.1 edition, 15.9.5.7.
michael@0	90	* Spec: ECMAScript Internationalization API Specification, 13.3.3.
michael@0	91	*/
michael@0	92	function Date_toLocaleTimeString() {
michael@0	93	// Steps 1-2. Note that valueOf enforces "this time value" restrictions.
michael@0	94	var x = callFunction(std_Date_valueOf, this);
michael@0	95	if (std_isNaN(x))
michael@0	96	return "Invalid Date";
michael@0	97
michael@0	98	// Steps 3-4.
michael@0	99	var locales = arguments.length > 0 ? arguments[0] : undefined;
michael@0	100	var options = arguments.length > 1 ? arguments[1] : undefined;
michael@0	101
michael@0	102	// Step 5-6.
michael@0	103	var dateTimeFormat;
michael@0	104	if (locales === undefined && options === undefined) {
michael@0	105	// This cache only optimizes for the old ES5 toLocaleTimeString without
michael@0	106	// locales and options.
michael@0	107	if (dateTimeFormatCache.timeFormat === undefined) {
michael@0	108	options = ToDateTimeOptions(options, "time", "time");
michael@0	109	dateTimeFormatCache.timeFormat = intl_DateTimeFormat(locales, options);
michael@0	110	}
michael@0	111	dateTimeFormat = dateTimeFormatCache.timeFormat;
michael@0	112	} else {
michael@0	113	options = ToDateTimeOptions(options, "time", "time");
michael@0	114	dateTimeFormat = intl_DateTimeFormat(locales, options);
michael@0	115	}
michael@0	116
michael@0	117	// Step 7.
michael@0	118	return intl_FormatDateTime(dateTimeFormat, x);
michael@0	119	}