[YouTube] Implement bold/italic/strike-through support

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelper.java

@@ -940,18 +940,50 @@ public static String getTextFromObject(final JsonObject textObject, final boolea
         }
 
         final StringBuilder textBuilder = new StringBuilder();
-        for (final Object textPart : textObject.getArray("runs")) {
-            final String text = ((JsonObject) textPart).getString("text");
-            if (html && ((JsonObject) textPart).has("navigationEndpoint")) {
-                final String url = getUrlFromNavigationEndpoint(((JsonObject) textPart)
-                        .getObject("navigationEndpoint"));
-                if (!isNullOrEmpty(url)) {
-                    textBuilder.append("<a href=\"").append(url).append("\">").append(text)
-                            .append("</a>");
-                    continue;
+        for (final Object o : textObject.getArray("runs")) {
+            final JsonObject run = (JsonObject) o;
+            String text = run.getString("text");
+
+            if (html) {
+                if (run.has("navigationEndpoint")) {
+                    final String url = getUrlFromNavigationEndpoint(run
+                            .getObject("navigationEndpoint"));
+                    if (!isNullOrEmpty(url)) {
+                        text = "<a href=\"" + url + "\">" + text + "</a>";
+                    }
+                }
+
+                final boolean bold = run.has("bold")
+                        && run.getBoolean("bold");
+                final boolean italic = run.has("italics")
+                        && run.getBoolean("italics");
+                final boolean strikethrough = run.has("strikethrough")
+                        && run.getBoolean("strikethrough");
+
+                if (bold) {
+                    textBuilder.append("<b>");
+                }
+                if (italic) {
+                    textBuilder.append("<i>");
+                }
+                if (strikethrough) {
+                    textBuilder.append("<s>");
+                }
+
+                textBuilder.append(text);
+
+                if (strikethrough) {
+                    textBuilder.append("</s>");
+                }
+                if (italic) {
+                    textBuilder.append("</i>");
+                }
+                if (bold) {
+                    textBuilder.append("</b>");
                 }
+            } else {
+                textBuilder.append(text);
             }
-            textBuilder.append(text);
         }
 
         String text = textBuilder.toString();
@@ -991,7 +1023,7 @@ public static String getAttributedDescription(
         final StringBuilder textBuilder = new StringBuilder();
         int textStart = 0;
 
-        for (final Object commandRun: commandRuns) {
+        for (final Object commandRun : commandRuns) {
             if (!(commandRun instanceof JsonObject)) {
                 continue;
             }

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeCommentsExtractorTest.java

@@ -5,6 +5,7 @@
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.schabi.newpipe.extractor.ExtractorAsserts.assertContains;
 import static org.schabi.newpipe.extractor.ExtractorAsserts.assertGreater;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
 import static org.schabi.newpipe.extractor.comments.CommentsInfoItem.UNKNOWN_REPLY_COUNT;
@@ -344,4 +345,32 @@ public void testGetCommentsReplyCount() throws IOException, ExtractionException
             assertGreater(300, firstComment.getReplyCount());
         }
     }
+
+    public static class FormattingTest {
+
+        private final static String url = "https://www.youtube.com/watch?v=zYpyS2HaZHM";
+
+        private static YoutubeCommentsExtractor extractor;
+
+        @BeforeAll
+        public static void setUp() throws Exception {
+            YoutubeTestsUtils.ensureStateless();
+            NewPipe.init(DownloaderFactory.getDownloader(RESOURCE_PATH + "formatting"));
+            extractor = (YoutubeCommentsExtractor) YouTube
+                    .getCommentsExtractor(url);
+            extractor.fetchPage();
+        }
+
+        @Test
+        public void testGetCommentsFormatting() throws IOException, ExtractionException {
+            final InfoItemsPage<CommentsInfoItem> comments = extractor.getInitialPage();
+
+            DefaultTests.defaultTestListOfItems(YouTube, comments.getItems(), comments.getErrors());
+
+            final CommentsInfoItem firstComment = comments.getItems().get(0);
+
+            assertContains("<s>", firstComment.getCommentText());
+            assertContains("<b>", firstComment.getCommentText());
+        }
+    }
 }

extractor/src/test/resources/org/schabi/newpipe/extractor/services/youtube/extractor/comments/formatting/generated_mock_0.json

@@ -0,0 +1,82 @@
+{
+  "request": {
+    "httpMethod": "GET",
+    "url": "https://www.youtube.com/sw.js",
+    "headers": {
+      "Origin": [
+        "https://www.youtube.com"
+      ],
+      "Referer": [
+        "https://www.youtube.com"
+      ],
+      "Accept-Language": [
+        "en-GB, en;q\u003d0.9"
+      ]
+    },
+    "localization": {
+      "languageCode": "en",
+      "countryCode": "GB"
+    }
+  },
+  "response": {
+    "responseCode": 200,
+    "responseMessage": "",
+    "responseHeaders": {
+      "access-control-allow-credentials": [
+        "true"
+      ],
+      "access-control-allow-origin": [
+        "https://www.youtube.com"
+      ],
+      "alt-svc": [
+        "h3\u003d\":443\"; ma\u003d2592000,h3-29\u003d\":443\"; ma\u003d2592000,h3-Q050\u003d\":443\"; ma\u003d2592000,h3-Q046\u003d\":443\"; ma\u003d2592000,h3-Q043\u003d\":443\"; ma\u003d2592000,quic\u003d\":443\"; ma\u003d2592000; v\u003d\"46,43\""
+      ],
+      "cache-control": [
+        "private, max-age\u003d0"
+      ],
+      "content-type": [
+        "text/javascript; charset\u003dutf-8"
+      ],
+      "cross-origin-opener-policy-report-only": [
+        "same-origin; report-to\u003d\"youtube_main\""
+      ],
+      "date": [
+        "Mon, 28 Nov 2022 20:27:36 GMT"
+      ],
+      "expires": [
+        "Mon, 28 Nov 2022 20:27:36 GMT"
+      ],
+      "p3p": [
+        "CP\u003d\"This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl\u003den-GB for more info.\""
+      ],
+      "permissions-policy": [
+        "ch-ua-arch\u003d*, ch-ua-bitness\u003d*, ch-ua-full-version\u003d*, ch-ua-full-version-list\u003d*, ch-ua-model\u003d*, ch-ua-wow64\u003d*, ch-ua-platform\u003d*, ch-ua-platform-version\u003d*"
+      ],
+      "report-to": [
+        "{\"group\":\"youtube_main\",\"max_age\":2592000,\"endpoints\":[{\"url\":\"https://csp.withgoogle.com/csp/report-to/youtube_main\"}]}"
+      ],
+      "server": [
+        "ESF"
+      ],
+      "set-cookie": [
+        "YSC\u003ddaTQ98V-voQ; Domain\u003d.youtube.com; Path\u003d/; Secure; HttpOnly; SameSite\u003dnone",
+        "VISITOR_INFO1_LIVE\u003d; Domain\u003d.youtube.com; Expires\u003dTue, 03-Mar-2020 20:27:36 GMT; Path\u003d/; Secure; HttpOnly; SameSite\u003dnone",
+        "CONSENT\u003dPENDING+452; expires\u003dWed, 27-Nov-2024 20:27:36 GMT; path\u003d/; domain\u003d.youtube.com; Secure"
+      ],
+      "strict-transport-security": [
+        "max-age\u003d31536000"
+      ],
+      "x-content-type-options": [
+        "nosniff"
+      ],
+      "x-frame-options": [
+        "SAMEORIGIN"
+      ],
+      "x-xss-protection": [
+        "0"
+      ]
+    },
+    "responseBody": "\n  self.addEventListener(\u0027install\u0027, event \u003d\u003e {\n    event.waitUntil(self.skipWaiting());\n  });\n  self.addEventListener(\u0027activate\u0027, event \u003d\u003e {\n    event.waitUntil(\n      self.clients.claim().then(() \u003d\u003e self.registration.unregister()));\n  });\n  ",
+    "latestUrl": "https://www.youtube.com/sw.js"
+  }
+}