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- import { Span } from '../audio/span.js';
- import * as MathspeakUtil from './mathspeak_util.js';
- import { LOCALE } from '../l10n/locale.js';
- import * as XpathUtil from '../common/xpath_util.js';
- export function nestedFraction(node, expr, opt_end) {
- const depth = MathspeakUtil.fractionNestingDepth(node);
- const annotation = [...Array(depth)].map((_x) => expr);
- if (opt_end) {
- annotation.unshift(opt_end);
- }
- return annotation.join(LOCALE.MESSAGES.regexp.JOINER_FRAC);
- }
- export function openingFractionVerbose(node) {
- return Span.singleton(nestedFraction(node, LOCALE.MESSAGES.MS.START, LOCALE.MESSAGES.MS.FRAC_V));
- }
- export function closingFractionVerbose(node) {
- return Span.singleton(nestedFraction(node, LOCALE.MESSAGES.MS.END, LOCALE.MESSAGES.MS.FRAC_V));
- }
- export function openingFractionBrief(node) {
- return Span.singleton(nestedFraction(node, LOCALE.MESSAGES.MS.START, LOCALE.MESSAGES.MS.FRAC_B));
- }
- export function closingFractionBrief(node) {
- return Span.singleton(nestedFraction(node, LOCALE.MESSAGES.MS.END, LOCALE.MESSAGES.MS.FRAC_B));
- }
- export function openingFractionSbrief(node) {
- const depth = MathspeakUtil.fractionNestingDepth(node);
- if (depth === 1) {
- return Span.singleton(LOCALE.MESSAGES.MS.FRAC_S);
- }
- return Span.singleton(LOCALE.FUNCTIONS.combineNestedFraction(LOCALE.FUNCTIONS.radicalNestDepth(depth - 1), LOCALE.MESSAGES.MS.NEST_FRAC, LOCALE.MESSAGES.MS.FRAC_S));
- }
- export function closingFractionSbrief(node) {
- const depth = MathspeakUtil.fractionNestingDepth(node);
- if (depth === 1) {
- return Span.singleton(LOCALE.MESSAGES.MS.ENDFRAC);
- }
- return Span.singleton(LOCALE.FUNCTIONS.combineNestedFraction(LOCALE.FUNCTIONS.radicalNestDepth(depth - 1), LOCALE.MESSAGES.MS.NEST_FRAC, LOCALE.MESSAGES.MS.ENDFRAC));
- }
- export function overFractionSbrief(node) {
- const depth = MathspeakUtil.fractionNestingDepth(node);
- if (depth === 1) {
- return Span.singleton(LOCALE.MESSAGES.MS.FRAC_OVER);
- }
- return Span.singleton(LOCALE.FUNCTIONS.combineNestedFraction(LOCALE.FUNCTIONS.radicalNestDepth(depth - 1), LOCALE.MESSAGES.MS.NEST_FRAC, LOCALE.MESSAGES.MS.FRAC_OVER));
- }
- export function isSimpleIndex(node) {
- const index = XpathUtil.evalXPath('children/*[1]', node)[0]
- .toString()
- .match(/[^>>]+<\/[^>]*>/g);
- return index.length === 1 ? [node] : [];
- }
- export function nestedRadical(node, prefix, postfix) {
- const depth = MathspeakUtil.radicalNestingDepth(node);
- if (depth === 1)
- return postfix;
- return LOCALE.FUNCTIONS.combineNestedRadical(LOCALE.FUNCTIONS.radicalNestDepth(depth - 1), prefix, postfix);
- }
- export function openingRadicalVerbose(node) {
- return Span.singleton(nestedRadical(node, LOCALE.MESSAGES.MS.NESTED, LOCALE.MESSAGES.MS.STARTROOT));
- }
- export function closingRadicalVerbose(node) {
- return Span.singleton(nestedRadical(node, LOCALE.MESSAGES.MS.NESTED, LOCALE.MESSAGES.MS.ENDROOT));
- }
- export function openingRadicalBrief(node) {
- return Span.singleton(nestedRadical(node, LOCALE.MESSAGES.MS.NEST_ROOT, LOCALE.MESSAGES.MS.STARTROOT));
- }
- export function closingRadicalBrief(node) {
- return Span.singleton(nestedRadical(node, LOCALE.MESSAGES.MS.NEST_ROOT, LOCALE.MESSAGES.MS.ENDROOT));
- }
- export function openingRadicalSbrief(node) {
- return Span.singleton(nestedRadical(node, LOCALE.MESSAGES.MS.NEST_ROOT, LOCALE.MESSAGES.MS.ROOT));
- }
- export function getRootIndex(node) {
- const content = XpathUtil.evalXPath('children/*[1]', node)[0].textContent.trim();
- return LOCALE.MESSAGES.MSroots[content] || content + '제곱근';
- }
- export function indexRadical(node, postfix) {
- const index = getRootIndex(node);
- return index ? index : postfix;
- }
- export function indexRadicalVerbose(node) {
- return Span.singleton(indexRadical(node, LOCALE.MESSAGES.MS.ROOTINDEX));
- }
- export function indexRadicalBrief(node) {
- return Span.singleton(indexRadical(node, LOCALE.MESSAGES.MS.ROOTINDEX));
- }
- export function indexRadicalSbrief(node) {
- return Span.singleton(indexRadical(node, LOCALE.MESSAGES.MS.INDEX));
- }
- export function ordinalConversion(node) {
- const children = XpathUtil.evalXPath('children/*', node);
- return Span.singleton(LOCALE.NUMBERS.wordOrdinal(children.length));
- }
- export function decreasedOrdinalConversion(node) {
- const children = XpathUtil.evalXPath('children/*', node);
- return Span.singleton(LOCALE.NUMBERS.wordOrdinal(children.length - 1));
- }
- export function listOrdinalConversion(node) {
- const children = XpathUtil.evalXPath('children/*', node);
- const content = XpathUtil.evalXPath('content/*', node);
- return Span.singleton(LOCALE.NUMBERS.wordOrdinal(children.length - content.length));
- }
- export function checkDepth(node) {
- const roleList = [];
- const depth = getDepthValue(node, roleList);
- return depth > 3 ? [] : [node];
- }
- export function getDepthValue(node, roleList) {
- const role = node.getAttribute('role');
- const index = roleList.indexOf(role) > -1;
- if (!index) {
- roleList.push(role);
- }
- const children = XpathUtil.evalXPath('children/*', node);
- let max = 0, cur = 0;
- if (children.length) {
- children.forEach((child) => {
- cur = getDepthValue(child, roleList);
- max = cur > max ? cur : max;
- });
- return max + 1;
- }
- return 0;
- }
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