speech-rule-engine
Version:
A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.
59 lines • 1.68 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.reduce = reduce;
const semantic_meaning_js_1 = require("./semantic_meaning.js");
const comparators = [];
function add(comparator) {
comparators.push(comparator);
}
function apply(meaning1, meaning2) {
for (let i = 0, comparator; (comparator = comparators[i]); i++) {
const result = comparator.compare(meaning1, meaning2);
if (result !== 0) {
return result;
}
}
return 0;
}
function sort(meanings) {
meanings.sort(apply);
}
function reduce(meanings) {
if (meanings.length <= 1) {
return meanings;
}
const copy = meanings.slice();
sort(copy);
const result = [];
let last;
do {
last = copy.pop();
result.push(last);
} while (last && copy.length && apply(copy[copy.length - 1], last) === 0);
return result;
}
class SemanticComparator {
constructor(comparator, type = null) {
this.comparator = comparator;
this.type = type;
add(this);
}
compare(meaning1, meaning2) {
return this.type &&
this.type === meaning1.type &&
this.type === meaning2.type
? this.comparator(meaning1, meaning2)
: 0;
}
}
function simpleFunction(meaning1, meaning2) {
if (meaning1.role === semantic_meaning_js_1.SemanticRole.SIMPLEFUNC) {
return 1;
}
if (meaning2.role === semantic_meaning_js_1.SemanticRole.SIMPLEFUNC) {
return -1;
}
return 0;
}
new SemanticComparator(simpleFunction, semantic_meaning_js_1.SemanticType.IDENTIFIER);
//# sourceMappingURL=semantic_ordering.js.map