1 /* 2 * isIdeo.js - Character type definitions 3 * 4 * Copyright © 2012-2015, 2018, JEDLSoft 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20 // !data ctype 21 22 var ilib = require("./ilib.js"); 23 var CType = require("./CType.js"); 24 var IString = require("./IString.js"); 25 26 /** 27 * Return whether or not the first character is an ideographic character.<p> 28 * 29 * @static 30 * @param {string|IString|number} ch character or code point to examine 31 * @return {boolean} true if the first character is an ideographic character. 32 */ 33 var isIdeo = function (ch) { 34 var num; 35 switch (typeof(ch)) { 36 case 'number': 37 num = ch; 38 break; 39 case 'string': 40 num = IString.toCodePoint(ch, 0); 41 break; 42 case 'undefined': 43 return false; 44 default: 45 num = ch._toCodePoint(0); 46 break; 47 } 48 49 return CType._inRange(num, 'cjk', ilib.data.ctype) || 50 CType._inRange(num, 'cjkradicals', ilib.data.ctype) || 51 CType._inRange(num, 'enclosedcjk', ilib.data.ctype) || 52 CType._inRange(num, 'cjkpunct', ilib.data.ctype) || 53 CType._inRange(num, 'cjkcompatibility', ilib.data.ctype); 54 }; 55 56 /** 57 * @protected 58 * @param {boolean} sync 59 * @param {Object|undefined} loadParams 60 * @param {function(*)|undefined} onLoad 61 */ 62 isIdeo._init = function (sync, loadParams, onLoad) { 63 CType._init(sync, loadParams, onLoad); 64 }; 65 66 module.exports = isIdeo;