/**
|
* @licstart The following is the entire license notice for the
|
* JavaScript code in this page
|
*
|
* Copyright 2022 Mozilla Foundation
|
*
|
* 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.
|
*
|
* @licend The above is the entire license notice for the
|
* JavaScript code in this page
|
*/
|
"use strict";
|
|
Object.defineProperty(exports, "__esModule", {
|
value: true
|
});
|
exports.CharacterType = void 0;
|
exports.getCharacterType = getCharacterType;
|
const CharacterType = {
|
SPACE: 0,
|
ALPHA_LETTER: 1,
|
PUNCT: 2,
|
HAN_LETTER: 3,
|
KATAKANA_LETTER: 4,
|
HIRAGANA_LETTER: 5,
|
HALFWIDTH_KATAKANA_LETTER: 6,
|
THAI_LETTER: 7
|
};
|
exports.CharacterType = CharacterType;
|
|
function isAlphabeticalScript(charCode) {
|
return charCode < 0x2e80;
|
}
|
|
function isAscii(charCode) {
|
return (charCode & 0xff80) === 0;
|
}
|
|
function isAsciiAlpha(charCode) {
|
return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
|
}
|
|
function isAsciiDigit(charCode) {
|
return charCode >= 0x30 && charCode <= 0x39;
|
}
|
|
function isAsciiSpace(charCode) {
|
return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
|
}
|
|
function isHan(charCode) {
|
return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
|
}
|
|
function isKatakana(charCode) {
|
return charCode >= 0x30a0 && charCode <= 0x30ff;
|
}
|
|
function isHiragana(charCode) {
|
return charCode >= 0x3040 && charCode <= 0x309f;
|
}
|
|
function isHalfwidthKatakana(charCode) {
|
return charCode >= 0xff60 && charCode <= 0xff9f;
|
}
|
|
function isThai(charCode) {
|
return (charCode & 0xff80) === 0x0e00;
|
}
|
|
function getCharacterType(charCode) {
|
if (isAlphabeticalScript(charCode)) {
|
if (isAscii(charCode)) {
|
if (isAsciiSpace(charCode)) {
|
return CharacterType.SPACE;
|
} else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
|
return CharacterType.ALPHA_LETTER;
|
}
|
|
return CharacterType.PUNCT;
|
} else if (isThai(charCode)) {
|
return CharacterType.THAI_LETTER;
|
} else if (charCode === 0xa0) {
|
return CharacterType.SPACE;
|
}
|
|
return CharacterType.ALPHA_LETTER;
|
}
|
|
if (isHan(charCode)) {
|
return CharacterType.HAN_LETTER;
|
} else if (isKatakana(charCode)) {
|
return CharacterType.KATAKANA_LETTER;
|
} else if (isHiragana(charCode)) {
|
return CharacterType.HIRAGANA_LETTER;
|
} else if (isHalfwidthKatakana(charCode)) {
|
return CharacterType.HALFWIDTH_KATAKANA_LETTER;
|
}
|
|
return CharacterType.ALPHA_LETTER;
|
}
|
