/*
* isUpper.js - Character type is upper-case letter
*
* Copyright © 2012-2015, 2018, JEDLSoft
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// !data ctype_l
var ilib = require("../index.js");
var CType = require("./CType.js");
var IString = require("./IString.js");
/**
* Return whether or not the first character is upper-case. For alphabetic
* characters in scripts that do not make a distinction between upper- and
* lower-case, this function always returns true.<p>
*
* @static
* @param {string|IString|number} ch character or code point to examine
* @return {boolean} true if the first character is upper-case.
*/
var isUpper = function (ch) {
var num;
switch (typeof(ch)) {
case 'number':
num = ch;
break;
case 'string':
num = IString.toCodePoint(ch, 0);
break;
case 'undefined':
return false;
default:
num = ch._toCodePoint(0);
break;
}
return ilib.data.ctype_l ? CType._inRange(num, 'Lu', ilib.data.ctype_l) : (num >= 0x41 && num <= 0x5A);
};
/**
* @protected
* @param {boolean} sync
* @param {Object|undefined} loadParams
* @param {function(*)|undefined} onLoad
*/
isUpper._init = function (sync, loadParams, onLoad) {
CType._load("ctype_l", sync, loadParams, onLoad);
};
module.exports = isUpper;
Source