71 lines
2.4 KiB
JavaScript
71 lines
2.4 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.SpeechRuleContext = void 0;
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const XpathUtil = require("../common/xpath_util");
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const srf = require("./speech_rule_functions");
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class SpeechRuleContext {
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constructor() {
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this.customQueries = new srf.CustomQueries();
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this.customStrings = new srf.CustomStrings();
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this.contextFunctions = new srf.ContextFunctions();
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this.customGenerators = new srf.CustomGenerators();
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}
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applyCustomQuery(node, funcName) {
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const func = this.customQueries.lookup(funcName);
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return func ? func(node) : null;
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}
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applySelector(node, expr) {
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const result = this.applyCustomQuery(node, expr);
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return result || XpathUtil.evalXPath(expr, node);
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}
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applyQuery(node, expr) {
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const results = this.applySelector(node, expr);
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if (results.length > 0) {
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return results[0];
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}
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return null;
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}
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applyConstraint(node, expr) {
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const result = this.applyQuery(node, expr);
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return !!result || XpathUtil.evaluateBoolean(expr, node);
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}
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constructString(node, expr) {
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if (!expr) {
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return '';
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}
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if (expr.charAt(0) === '"') {
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return expr.slice(1, -1);
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}
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const func = this.customStrings.lookup(expr);
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if (func) {
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return func(node);
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}
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return XpathUtil.evaluateString(expr, node);
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}
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parse(functions) {
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const functs = Array.isArray(functions)
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? functions
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: Object.entries(functions);
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for (let i = 0, func; (func = functs[i]); i++) {
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const kind = func[0].slice(0, 3);
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switch (kind) {
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case 'CQF':
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this.customQueries.add(func[0], func[1]);
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break;
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case 'CSF':
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this.customStrings.add(func[0], func[1]);
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break;
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case 'CTF':
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this.contextFunctions.add(func[0], func[1]);
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break;
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case 'CGF':
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this.customGenerators.add(func[0], func[1]);
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break;
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default:
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console.error('FunctionError: Invalid function name ' + func[0]);
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}
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}
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}
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}
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exports.SpeechRuleContext = SpeechRuleContext;
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