speech-rule-engine
Version:
A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.
101 lines (100 loc) • 2.88 kB
JavaScript
import { Grammar } from '../../rule_engine/grammar.js';
import { NUMBERS as NUMB } from '../messages.js';
function tensToWords_(num) {
const n = num % 100;
if (n < 30) {
return NUMBERS.ones[n];
}
const tens = NUMBERS.tens[Math.floor(n / 10)];
const ones = NUMBERS.ones[n % 10];
return tens && ones ? tens + ' y ' + ones : tens || ones;
}
function hundredsToWords_(num) {
const n = num % 1000;
const hundred = Math.floor(n / 100);
const hundreds = NUMBERS.special.hundreds[hundred];
const tens = tensToWords_(n % 100);
if (hundred === 1) {
if (!tens) {
return hundreds;
}
return hundreds + 'to' + ' ' + tens;
}
return hundreds && tens ? hundreds + ' ' + tens : hundreds || tens;
}
function numberToWords(num) {
if (num === 0) {
return NUMBERS.zero;
}
if (num >= Math.pow(10, 36)) {
return num.toString();
}
let pos = 0;
let str = '';
while (num > 0) {
const hundreds = num % 1000;
if (hundreds) {
let large = NUMBERS.large[pos];
const huns = hundredsToWords_(hundreds);
if (!pos) {
str = huns;
}
else if (hundreds === 1) {
large = large.match('/^mil( |$)/') ? large : 'un ' + large;
str = large + (str ? ' ' + str : '');
}
else {
large = large.replace(/\u00f3n$/, 'ones');
str = hundredsToWords_(hundreds) + ' ' + large + (str ? ' ' + str : '');
}
}
num = Math.floor(num / 1000);
pos++;
}
return str;
}
function numberToOrdinal(num, _plural) {
if (num > 1999) {
return num.toString() + 'a';
}
if (num <= 12) {
return NUMBERS.special.onesOrdinals[num - 1];
}
const result = [];
if (num >= 1000) {
num = num - 1000;
result.push('milésima');
}
if (!num) {
return result.join(' ');
}
let pos = 0;
pos = Math.floor(num / 100);
if (pos > 0) {
result.push(NUMBERS.special.hundredsOrdinals[pos - 1]);
num = num % 100;
}
if (num <= 12) {
result.push(NUMBERS.special.onesOrdinals[num - 1]);
}
else {
pos = Math.floor(num / 10);
if (pos > 0) {
result.push(NUMBERS.special.tensOrdinals[pos - 1]);
num = num % 10;
}
if (num > 0) {
result.push(NUMBERS.special.onesOrdinals[num - 1]);
}
}
return result.join(' ');
}
function numericOrdinal(num) {
const gender = Grammar.getInstance().getParameter('gender');
return num.toString() + (gender === 'f' ? 'a' : 'o');
}
export const NUMBERS = NUMB({
'numericOrdinal': numericOrdinal,
'numberToWords': numberToWords,
'numberToOrdinal': numberToOrdinal,
});