221 lines
8.3 KiB
JavaScript
221 lines
8.3 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.implicitIterator = exports.relationIterator = exports.propagateNumber = exports.checkParent_ = exports.NUMBER_INHIBITORS_ = exports.NUMBER_PROPAGATORS_ = exports.enlargeFence = exports.indexRadical = exports.closingRadical = exports.openingRadical = exports.radicalNestingDepth = exports.nestedRadical = exports.hyperFractionBoundary = exports.overBevelledFraction = exports.overFraction = exports.closingFraction = exports.openingFraction = void 0;
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const auditory_description_1 = require("../audio/auditory_description");
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const DomUtil = require("../common/dom_util");
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const XpathUtil = require("../common/xpath_util");
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const grammar_1 = require("../rule_engine/grammar");
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const engine_1 = require("../common/engine");
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const semantic_annotations_1 = require("../semantic_tree/semantic_annotations");
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const semantic_annotator_1 = require("../semantic_tree/semantic_annotator");
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const locale_1 = require("../l10n/locale");
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const MathspeakUtil = require("./mathspeak_util");
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function openingFraction(node) {
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const depth = MathspeakUtil.fractionNestingDepth(node);
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return (new Array(depth).join(locale_1.LOCALE.MESSAGES.MS.FRACTION_REPEAT) +
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locale_1.LOCALE.MESSAGES.MS.FRACTION_START);
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}
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exports.openingFraction = openingFraction;
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function closingFraction(node) {
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const depth = MathspeakUtil.fractionNestingDepth(node);
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return (new Array(depth).join(locale_1.LOCALE.MESSAGES.MS.FRACTION_REPEAT) +
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locale_1.LOCALE.MESSAGES.MS.FRACTION_END);
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}
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exports.closingFraction = closingFraction;
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function overFraction(node) {
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const depth = MathspeakUtil.fractionNestingDepth(node);
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return (new Array(depth).join(locale_1.LOCALE.MESSAGES.MS.FRACTION_REPEAT) +
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locale_1.LOCALE.MESSAGES.MS.FRACTION_OVER);
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}
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exports.overFraction = overFraction;
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function overBevelledFraction(node) {
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const depth = MathspeakUtil.fractionNestingDepth(node);
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return (new Array(depth).join(locale_1.LOCALE.MESSAGES.MS.FRACTION_REPEAT) +
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'⠸' +
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locale_1.LOCALE.MESSAGES.MS.FRACTION_OVER);
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}
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exports.overBevelledFraction = overBevelledFraction;
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function hyperFractionBoundary(node) {
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return locale_1.LOCALE.MESSAGES.regexp.HYPER ===
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MathspeakUtil.fractionNestingDepth(node).toString() ? [node] : [];
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}
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exports.hyperFractionBoundary = hyperFractionBoundary;
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function nestedRadical(node, postfix) {
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const depth = radicalNestingDepth(node);
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if (depth === 1) {
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return postfix;
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}
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return new Array(depth).join(locale_1.LOCALE.MESSAGES.MS.NESTED) + postfix;
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}
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exports.nestedRadical = nestedRadical;
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function radicalNestingDepth(node, opt_depth) {
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const depth = opt_depth || 0;
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if (!node.parentNode) {
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return depth;
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}
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return radicalNestingDepth(node.parentNode, node.tagName === 'root' || node.tagName === 'sqrt' ? depth + 1 : depth);
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}
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exports.radicalNestingDepth = radicalNestingDepth;
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function openingRadical(node) {
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return nestedRadical(node, locale_1.LOCALE.MESSAGES.MS.STARTROOT);
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}
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exports.openingRadical = openingRadical;
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function closingRadical(node) {
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return nestedRadical(node, locale_1.LOCALE.MESSAGES.MS.ENDROOT);
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}
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exports.closingRadical = closingRadical;
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function indexRadical(node) {
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return nestedRadical(node, locale_1.LOCALE.MESSAGES.MS.ROOTINDEX);
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}
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exports.indexRadical = indexRadical;
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function enlargeFence(text) {
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const start = '⠠';
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if (text.length === 1) {
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return start + text;
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}
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const neut = '⠳';
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const split = text.split('');
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if (split.every(function (x) {
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return x === neut;
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})) {
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return start + split.join(start);
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}
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return text.slice(0, -1) + start + text.slice(-1);
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}
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exports.enlargeFence = enlargeFence;
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grammar_1.Grammar.getInstance().setCorrection('enlargeFence', enlargeFence);
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exports.NUMBER_PROPAGATORS_ = [
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"multirel",
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"relseq",
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"appl",
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"row",
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"line"
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];
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exports.NUMBER_INHIBITORS_ = [
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"subscript",
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"superscript",
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"overscore",
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"underscore"
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];
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function checkParent_(node, info) {
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const parent = node.parent;
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if (!parent) {
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return false;
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}
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const type = parent.type;
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if (exports.NUMBER_PROPAGATORS_.indexOf(type) !== -1 ||
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(type === "prefixop" &&
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parent.role === "negative" &&
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!info.script) ||
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(type === "prefixop" &&
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parent.role === "geometry")) {
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return true;
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}
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if (type === "punctuated") {
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if (!info.enclosed || parent.role === "text") {
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return true;
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}
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}
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return false;
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}
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exports.checkParent_ = checkParent_;
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function propagateNumber(node, info) {
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if (!node.childNodes.length) {
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if (checkParent_(node, info)) {
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info.number = true;
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info.script = false;
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info.enclosed = false;
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}
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return [
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info['number'] ? 'number' : '',
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{ number: false, enclosed: info.enclosed, script: info.script }
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];
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}
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if (exports.NUMBER_INHIBITORS_.indexOf(node.type) !== -1) {
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info.script = true;
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}
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if (node.type === "fenced") {
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info.number = false;
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info.enclosed = true;
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return ['', info];
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}
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if (checkParent_(node, info)) {
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info.number = true;
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info.enclosed = false;
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}
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return ['', info];
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}
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exports.propagateNumber = propagateNumber;
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(0, semantic_annotations_1.register)(new semantic_annotator_1.SemanticVisitor('nemeth', 'number', propagateNumber, { number: true }));
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function relationIterator(nodes, context) {
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const childNodes = nodes.slice(0);
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let first = true;
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let contentNodes;
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if (nodes.length > 0) {
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contentNodes = XpathUtil.evalXPath('../../content/*', nodes[0]);
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}
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else {
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contentNodes = [];
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}
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return function () {
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const content = contentNodes.shift();
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const leftChild = childNodes.shift();
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const rightChild = childNodes[0];
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const contextDescr = context
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? [auditory_description_1.AuditoryDescription.create({ text: context }, { translate: true })]
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: [];
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if (!content) {
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return contextDescr;
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}
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const base = leftChild
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? MathspeakUtil.nestedSubSuper(leftChild, '', {
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sup: locale_1.LOCALE.MESSAGES.MS.SUPER,
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sub: locale_1.LOCALE.MESSAGES.MS.SUB
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})
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: '';
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const left = (leftChild && DomUtil.tagName(leftChild) !== 'EMPTY') ||
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(first &&
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content.parentNode.parentNode &&
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content.parentNode.parentNode.previousSibling)
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? [auditory_description_1.AuditoryDescription.create({ text: locale_1.LOCALE.MESSAGES.regexp.SPACE + base }, {})]
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: [];
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const right = (rightChild && DomUtil.tagName(rightChild) !== 'EMPTY') ||
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(!contentNodes.length &&
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content.parentNode.parentNode &&
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content.parentNode.parentNode.nextSibling)
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? [auditory_description_1.AuditoryDescription.create({ text: locale_1.LOCALE.MESSAGES.regexp.SPACE }, {})]
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: [];
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const descrs = engine_1.default.evaluateNode(content);
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first = false;
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return contextDescr.concat(left, descrs, right);
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};
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}
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exports.relationIterator = relationIterator;
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function implicitIterator(nodes, context) {
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const childNodes = nodes.slice(0);
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let contentNodes;
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if (nodes.length > 0) {
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contentNodes = XpathUtil.evalXPath('../../content/*', nodes[0]);
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}
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else {
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contentNodes = [];
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}
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return function () {
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const leftChild = childNodes.shift();
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const rightChild = childNodes[0];
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const content = contentNodes.shift();
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const contextDescr = context
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? [auditory_description_1.AuditoryDescription.create({ text: context }, { translate: true })]
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: [];
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if (!content) {
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return contextDescr;
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}
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const left = leftChild && DomUtil.tagName(leftChild) === 'NUMBER';
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const right = rightChild && DomUtil.tagName(rightChild) === 'NUMBER';
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return contextDescr.concat(left && right && content.getAttribute('role') === "space"
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? [auditory_description_1.AuditoryDescription.create({ text: locale_1.LOCALE.MESSAGES.regexp.SPACE }, {})]
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: []);
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};
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}
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exports.implicitIterator = implicitIterator;
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