Expose enabled block types in CorePlugin

CHANGELOG.md

@@ -6,6 +6,7 @@
 * `HtmlEmptyTagReplacement` now is configurable by `HtmlPlugin`, `iframe` handling ([#235])
 * `AsyncDrawableLoader` now uses `TextView` width without padding instead of width of canvas
 * Support for images inside table cells (`ext-tables` module)
+* expose `enabledBlockTypes` in `CorePlugin`
 
 [#235]: https://github.com/noties/Markwon/issues/235
 

markwon-core/src/main/java/io/noties/markwon/core/CorePlugin.java

@@ -9,6 +9,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
+import org.commonmark.node.Block;
 import org.commonmark.node.BlockQuote;
 import org.commonmark.node.BulletList;
 import org.commonmark.node.Code;
@@ -16,6 +17,7 @@ import org.commonmark.node.Emphasis;
 import org.commonmark.node.FencedCodeBlock;
 import org.commonmark.node.HardLineBreak;
 import org.commonmark.node.Heading;
+import org.commonmark.node.HtmlBlock;
 import org.commonmark.node.Image;
 import org.commonmark.node.IndentedCodeBlock;
 import org.commonmark.node.Link;
@@ -30,7 +32,10 @@ import org.commonmark.node.Text;
 import org.commonmark.node.ThematicBreak;
 
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 import io.noties.markwon.AbstractMarkwonPlugin;
 import io.noties.markwon.MarkwonConfiguration;
@@ -90,6 +95,23 @@ public class CorePlugin extends AbstractMarkwonPlugin {
         return new CorePlugin();
     }
 
+    /**
+     * @return a set with enabled by default block types
+     * @since $nap;
+     */
+    @NonNull
+    public static Set<Class<? extends Block>> enabledBlockTypes() {
+        return new HashSet<>(Arrays.asList(
+                BlockQuote.class,
+                Heading.class,
+                FencedCodeBlock.class,
+                HtmlBlock.class,
+                ThematicBreak.class,
+                ListBlock.class,
+                IndentedCodeBlock.class
+        ));
+    }
+
     // @since 4.0.0
     private final List<OnTextAddedListener> onTextAddedListeners = new ArrayList<>(0);
 

sample/src/main/java/io/noties/markwon/sample/core/CoreActivity.java

@@ -8,8 +8,14 @@ import android.widget.Toast;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
+import org.commonmark.node.Block;
+import org.commonmark.node.BlockQuote;
 import org.commonmark.node.Node;
+import org.commonmark.parser.Parser;
 
+import java.util.Set;
+
+import io.noties.markwon.AbstractMarkwonPlugin;
 import io.noties.markwon.Markwon;
 import io.noties.markwon.core.CorePlugin;
 import io.noties.markwon.sample.ActivityWithMenuOptions;
@@ -26,7 +32,8 @@ public class CoreActivity extends ActivityWithMenuOptions {
         return MenuOptions.create()
                 .add("simple", this::simple)
                 .add("toast", this::toast)
-                .add("alreadyParsed", this::alreadyParsed);
+                .add("alreadyParsed", this::alreadyParsed)
+                .add("enabledBlockTypes", this::enabledBlockTypes);
     }
 
     @Override
@@ -132,4 +139,28 @@ public class CoreActivity extends ActivityWithMenuOptions {
         // apply parsed markdown
         markwon.setParsedMarkdown(textView, spanned);
     }
+
+    private void enabledBlockTypes() {
+
+        final String md = "" +
+                "# Head\n\n" +
+                "> and disabled quote\n\n" +
+                "```\n" +
+                "yep\n" +
+                "```";
+
+        final Set<Class<? extends Block>> blocks = CorePlugin.enabledBlockTypes();
+        blocks.remove(BlockQuote.class);
+
+        final Markwon markwon = Markwon.builder(this)
+                .usePlugin(new AbstractMarkwonPlugin() {
+                    @Override
+                    public void configureParser(@NonNull Parser.Builder builder) {
+                        builder.enabledBlockTypes(blocks);
+                    }
+                })
+                .build();
+
+        markwon.setMarkdown(textView, md);
+    }
 }