add initial marp implementation with sample content and build configuration

node_modules/speech-rule-engine/mjs/audio/ssml_renderer.js

@@ -0,0 +1,82 @@
+import { Engine } from '../common/engine.js';
+import * as EngineConst from '../common/engine_const.js';
+import { XmlRenderer } from './xml_renderer.js';
+export class SsmlRenderer extends XmlRenderer {
+    finalize(str) {
+        return ('<?xml version="1.0"?><speak version="1.1"' +
+            ' xmlns="http://www.w3.org/2001/10/synthesis"' +
+            ` xml:lang="${Engine.getInstance().locale}">` +
+            '<prosody rate="' +
+            Engine.getInstance().getRate() +
+            '%">' +
+            this.separator +
+            str +
+            this.separator +
+            '</prosody></speak>');
+    }
+    pause(pause) {
+        return ('<break ' +
+            'time="' +
+            this.pauseValue(pause[EngineConst.personalityProps.PAUSE]) +
+            'ms"/>');
+    }
+    prosodyElement(attr, value) {
+        value = Math.floor(this.applyScaleFunction(value));
+        const valueStr = value < 0 ? value.toString() : '+' + value.toString();
+        return ('<prosody ' +
+            attr.toLowerCase() +
+            '="' +
+            valueStr +
+            (attr === EngineConst.personalityProps.VOLUME ? '>' : '%">'));
+    }
+    closeTag(_tag) {
+        return '</prosody>';
+    }
+    markup(descrs) {
+        SsmlRenderer.MARKS = {};
+        return super.markup(descrs);
+    }
+    merge(spans) {
+        const result = [];
+        let lastMark = '';
+        for (let i = 0; i < spans.length; i++) {
+            const span = spans[i];
+            if (this.isEmptySpan(span))
+                continue;
+            const kind = SsmlRenderer.MARK_KIND ? span.attributes['kind'] : '';
+            const id = Engine.getInstance().automark
+                ? span.attributes['id']
+                : Engine.getInstance().mark
+                    ? span.attributes['extid']
+                    : '';
+            if (id &&
+                id !== lastMark &&
+                !(SsmlRenderer.MARK_ONCE && SsmlRenderer.MARKS[id])) {
+                result.push(kind ? `<mark name="${id}" kind="${kind}"/>` : `<mark name="${id}"/>`);
+                lastMark = id;
+                SsmlRenderer.MARKS[id] = true;
+            }
+            if (Engine.getInstance().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*$/) && (!sep || sep.match(/^\s*$/));
+    }
+}
+SsmlRenderer.MARK_ONCE = false;
+SsmlRenderer.MARK_KIND = true;
+SsmlRenderer.CHARACTER_ATTR = 'character';
+SsmlRenderer.MARKS = {};