speech-rule-engine
Version:
A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.
34 lines (33 loc) • 1.42 kB
JavaScript
import { Span } from '../audio/span.js';
import * as DomUtil from '../common/dom_util.js';
import { LOCALE } from '../l10n/locale.js';
import { convertVulgarFraction } from '../l10n/transformers.js';
export function ordinalCounter(_node, context) {
let counter = 0;
return function () {
return LOCALE.NUMBERS.numericOrdinal(++counter) + ' ' + context;
};
}
export function wordCounter(_node, context) {
let counter = 0;
return function () {
return LOCALE.NUMBERS.numberToOrdinal(++counter, false) + ' ' + context;
};
}
export function vulgarFraction(node) {
const conversion = convertVulgarFraction(node, LOCALE.MESSAGES.MS.FRAC_OVER);
if (conversion.convertible &&
conversion.enumerator &&
conversion.denominator) {
return [
Span.node(LOCALE.NUMBERS.numberToWords(conversion.enumerator), node.childNodes[0].childNodes[0], { separator: '' }),
Span.stringAttr(LOCALE.NUMBERS.vulgarSep, { separator: '' }),
Span.node(LOCALE.NUMBERS.numberToOrdinal(conversion.denominator, conversion.enumerator !== 1), node.childNodes[0].childNodes[1])
];
}
return [Span.node(conversion.content || '', node)];
}
export function ordinalPosition(node) {
const children = DomUtil.toArray(node.parentNode.childNodes);
return Span.singleton(LOCALE.NUMBERS.numericOrdinal(children.indexOf(node) + 1).toString());
}