michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*global intl_DateTimeFormat: false, */
michael@0: 
michael@0: 
michael@0: var dateTimeFormatCache = new Record();
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Format this Date object into a date and time string, using the locale and
michael@0:  * formatting options provided.
michael@0:  *
michael@0:  * Spec: ECMAScript Language Specification, 5.1 edition, 15.9.5.5.
michael@0:  * Spec: ECMAScript Internationalization API Specification, 13.3.1.
michael@0:  */
michael@0: function Date_toLocaleString() {
michael@0:     // Steps 1-2.  Note that valueOf enforces "this time value" restrictions.
michael@0:     var x = callFunction(std_Date_valueOf, this);
michael@0:     if (std_isNaN(x))
michael@0:         return "Invalid Date";
michael@0: 
michael@0:     // Steps 3-4.
michael@0:     var locales = arguments.length > 0 ? arguments[0] : undefined;
michael@0:     var options = arguments.length > 1 ? arguments[1] : undefined;
michael@0: 
michael@0:     // Step 5-6.
michael@0:     var dateTimeFormat;
michael@0:     if (locales === undefined && options === undefined) {
michael@0:         // This cache only optimizes for the old ES5 toLocaleString without
michael@0:         // locales and options.
michael@0:         if (dateTimeFormatCache.dateTimeFormat === undefined) {
michael@0:             options = ToDateTimeOptions(options, "any", "all");
michael@0:             dateTimeFormatCache.dateTimeFormat = intl_DateTimeFormat(locales, options);
michael@0:         }
michael@0:         dateTimeFormat = dateTimeFormatCache.dateTimeFormat;
michael@0:     } else {
michael@0:         options = ToDateTimeOptions(options, "any", "all");
michael@0:         dateTimeFormat = intl_DateTimeFormat(locales, options);
michael@0:     }
michael@0: 
michael@0:     // Step 7.
michael@0:     return intl_FormatDateTime(dateTimeFormat, x);
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Format this Date object into a date string, using the locale and formatting
michael@0:  * options provided.
michael@0:  *
michael@0:  * Spec: ECMAScript Language Specification, 5.1 edition, 15.9.5.6.
michael@0:  * Spec: ECMAScript Internationalization API Specification, 13.3.2.
michael@0:  */
michael@0: function Date_toLocaleDateString() {
michael@0:     // Steps 1-2.  Note that valueOf enforces "this time value" restrictions.
michael@0:     var x = callFunction(std_Date_valueOf, this);
michael@0:     if (std_isNaN(x))
michael@0:         return "Invalid Date";
michael@0: 
michael@0:     // Steps 3-4.
michael@0:     var locales = arguments.length > 0 ? arguments[0] : undefined;
michael@0:     var options = arguments.length > 1 ? arguments[1] : undefined;
michael@0: 
michael@0:     // Step 5-6.
michael@0:     var dateTimeFormat;
michael@0:     if (locales === undefined && options === undefined) {
michael@0:         // This cache only optimizes for the old ES5 toLocaleDateString without
michael@0:         // locales and options.
michael@0:         if (dateTimeFormatCache.dateFormat === undefined) {
michael@0:             options = ToDateTimeOptions(options, "date", "date");
michael@0:             dateTimeFormatCache.dateFormat = intl_DateTimeFormat(locales, options);
michael@0:         }
michael@0:         dateTimeFormat = dateTimeFormatCache.dateFormat;
michael@0:     } else {
michael@0:         options = ToDateTimeOptions(options, "date", "date");
michael@0:         dateTimeFormat = intl_DateTimeFormat(locales, options);
michael@0:     }
michael@0: 
michael@0:     // Step 7.
michael@0:     return intl_FormatDateTime(dateTimeFormat, x);
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Format this Date object into a time string, using the locale and formatting
michael@0:  * options provided.
michael@0:  *
michael@0:  * Spec: ECMAScript Language Specification, 5.1 edition, 15.9.5.7.
michael@0:  * Spec: ECMAScript Internationalization API Specification, 13.3.3.
michael@0:  */
michael@0: function Date_toLocaleTimeString() {
michael@0:     // Steps 1-2.  Note that valueOf enforces "this time value" restrictions.
michael@0:     var x = callFunction(std_Date_valueOf, this);
michael@0:     if (std_isNaN(x))
michael@0:         return "Invalid Date";
michael@0: 
michael@0:     // Steps 3-4.
michael@0:     var locales = arguments.length > 0 ? arguments[0] : undefined;
michael@0:     var options = arguments.length > 1 ? arguments[1] : undefined;
michael@0: 
michael@0:     // Step 5-6.
michael@0:     var dateTimeFormat;
michael@0:     if (locales === undefined && options === undefined) {
michael@0:         // This cache only optimizes for the old ES5 toLocaleTimeString without
michael@0:         // locales and options.
michael@0:         if (dateTimeFormatCache.timeFormat === undefined) {
michael@0:             options = ToDateTimeOptions(options, "time", "time");
michael@0:             dateTimeFormatCache.timeFormat = intl_DateTimeFormat(locales, options);
michael@0:         }
michael@0:         dateTimeFormat = dateTimeFormatCache.timeFormat;
michael@0:     } else {
michael@0:         options = ToDateTimeOptions(options, "time", "time");
michael@0:         dateTimeFormat = intl_DateTimeFormat(locales, options);
michael@0:     }
michael@0: 
michael@0:     // Step 7.
michael@0:     return intl_FormatDateTime(dateTimeFormat, x);
michael@0: }