speech-rule-engine
Version:
A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.
120 lines • 4.59 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.SsmlRenderer = void 0;
const engine_js_1 = require("../common/engine.js");
const EngineConst = __importStar(require("../common/engine_const.js"));
const xml_renderer_js_1 = require("./xml_renderer.js");
class SsmlRenderer extends xml_renderer_js_1.XmlRenderer {
finalize(str) {
return ('<?xml version="1.0"?><speak version="1.1"' +
' xmlns="http://www.w3.org/2001/10/synthesis"' +
` xml:lang="${engine_js_1.Engine.getInstance().options.locale}">` +
'<prosody rate="' +
engine_js_1.Engine.getInstance().getRate() +
'%">' +
this.separator +
str +
this.separator +
'</prosody></speak>');
}
pause(pause) {
return ('<break ' +
'time="' +
this.pauseValue(pause[EngineConst.personalityProps.PAUSE]) +
'ms"/>');
}
prosodyElement(attr, value) {
value = Math.floor(this.applyScaleFunction(value));
const valueStr = value < 0 ? value.toString() : '+' + value.toString();
return ('<prosody ' +
attr.toLowerCase() +
'="' +
valueStr +
(attr === EngineConst.personalityProps.VOLUME ? '>' : '%">'));
}
closeTag(_tag) {
return '</prosody>';
}
markup(descrs) {
SsmlRenderer.MARKS = {};
return super.markup(descrs);
}
merge(spans) {
const result = [];
let lastMark = '';
for (let i = 0; i < spans.length; i++) {
const span = spans[i];
if (this.isEmptySpan(span))
continue;
const kind = SsmlRenderer.MARK_KIND ? span.attributes['kind'] : '';
const id = engine_js_1.Engine.getInstance().options.automark
? span.attributes['id']
: engine_js_1.Engine.getInstance().options.mark
? span.attributes['extid']
: '';
if (id &&
id !== lastMark &&
!(SsmlRenderer.MARK_ONCE && SsmlRenderer.MARKS[id])) {
result.push(kind ? `<mark name="${id}" kind="${kind}"/>` : `<mark name="${id}"/>`);
lastMark = id;
SsmlRenderer.MARKS[id] = true;
}
if (engine_js_1.Engine.getInstance().options.character &&
span.speech.length === 1 &&
span.speech.match(/[a-zA-Z]/)) {
result.push('<say-as interpret-as="' +
SsmlRenderer.CHARACTER_ATTR +
'">' +
span.speech +
'</say-as>');
}
else {
result.push(span.speech);
}
}
return result.join(this.separator);
}
isEmptySpan(span) {
const sep = span.attributes['separator'];
return span.speech.match(/^\s*$/) && (!sep || sep.match(/^\s*$/));
}
}
exports.SsmlRenderer = SsmlRenderer;
SsmlRenderer.MARK_ONCE = false;
SsmlRenderer.MARK_KIND = true;
SsmlRenderer.CHARACTER_ATTR = 'character';
SsmlRenderer.MARKS = {};
//# sourceMappingURL=ssml_renderer.js.map