sample, add one line and css style parser samples

app-sample/samples.json

@@ -1,7 +1,31 @@
 [
+  {
+    "javaClassName": "io.noties.markwon.app.samples.html.HtmlCssStyleParserSample",
+    "id": "20210118155530",
+    "title": "CSS attributes in HTML",
+    "description": "Parse CSS attributes of HTML tags with `CssInlineStyleParser`",
+    "artifacts": [
+      "HTML"
+    ],
+    "tags": [
+      "HTML"
+    ]
+  },
+  {
+    "javaClassName": "io.noties.markwon.app.samples.basics.OneLineNoMarkdownSample",
+    "id": "20210118154116",
+    "title": "One line text",
+    "description": "Single line text without markdown markup",
+    "artifacts": [
+      "CORE"
+    ],
+    "tags": [
+      "rendering"
+    ]
+  },
   {
     "javaClassName": "io.noties.markwon.app.samples.tasklist.TaskListMutateNestedSample",
-    "id": "20211228120444",
+    "id": "20201228120444",
     "title": "Task list mutate nested",
     "description": "Task list mutation with nested items",
     "artifacts": [

app-sample/src/main/java/io/noties/markwon/app/samples/basics/OneLineNoMarkdownSample.java

@@ -0,0 +1,29 @@
+package io.noties.markwon.app.samples.basics;
+
+import io.noties.markwon.Markwon;
+import io.noties.markwon.app.sample.Tags;
+import io.noties.markwon.app.sample.ui.MarkwonTextViewSample;
+import io.noties.markwon.sample.annotations.MarkwonArtifact;
+import io.noties.markwon.sample.annotations.MarkwonSampleInfo;
+
+@MarkwonSampleInfo(
+  id = "20210118154116",
+  title = "One line text",
+  description = "Single line text without markdown markup",
+  artifacts = MarkwonArtifact.CORE,
+  tags = Tags.rendering
+)
+public class OneLineNoMarkdownSample extends MarkwonTextViewSample {
+  @Override
+  public void render() {
+
+    textView.setBackgroundColor(0x40ff0000);
+
+    final String md = " Demo text ";
+
+    final Markwon markwon = Markwon.builder(context)
+      .build();
+
+    markwon.setMarkdown(textView, md);
+  }
+}

app-sample/src/main/java/io/noties/markwon/app/samples/html/HtmlCssStyleParserSample.java

@@ -0,0 +1,99 @@
+package io.noties.markwon.app.samples.html;
+
+import android.graphics.Color;
+import android.text.TextUtils;
+import android.text.style.BackgroundColorSpan;
+import android.text.style.ForegroundColorSpan;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import io.noties.debug.Debug;
+import io.noties.markwon.Markwon;
+import io.noties.markwon.MarkwonConfiguration;
+import io.noties.markwon.RenderProps;
+import io.noties.markwon.app.sample.Tags;
+import io.noties.markwon.app.sample.ui.MarkwonTextViewSample;
+import io.noties.markwon.html.CssInlineStyleParser;
+import io.noties.markwon.html.CssProperty;
+import io.noties.markwon.html.HtmlPlugin;
+import io.noties.markwon.html.HtmlTag;
+import io.noties.markwon.html.tag.SimpleTagHandler;
+import io.noties.markwon.sample.annotations.MarkwonArtifact;
+import io.noties.markwon.sample.annotations.MarkwonSampleInfo;
+
+@MarkwonSampleInfo(
+  id = "20210118155530",
+  title = "CSS attributes in HTML",
+  description = "Parse CSS attributes of HTML tags with `CssInlineStyleParser`",
+  artifacts = MarkwonArtifact.HTML,
+  tags = Tags.html
+)
+public class HtmlCssStyleParserSample extends MarkwonTextViewSample {
+  @Override
+  public void render() {
+
+    final String md = "# CSS\n\n" +
+      "<span style=\"background-color: #ff0000;\">this has red background</span> and then\n\n" +
+      "this <span style=\"color: #00ff00;\">is green</span>";
+
+    final Markwon markwon = Markwon.builder(context)
+      .usePlugin(HtmlPlugin.create(plugin -> plugin.addHandler(new SpanTagHandler())))
+      .build();
+
+    markwon.setMarkdown(textView, md);
+  }
+
+  private static class SpanTagHandler extends SimpleTagHandler {
+
+    @Nullable
+    @Override
+    public Object getSpans(@NonNull MarkwonConfiguration configuration, @NonNull RenderProps renderProps, @NonNull HtmlTag tag) {
+      final String style = tag.attributes().get("style");
+      if (TextUtils.isEmpty(style)) {
+        return null;
+      }
+
+      int color = 0;
+      int backgroundColor = 0;
+
+      for (CssProperty property : CssInlineStyleParser.create().parse(style)) {
+        switch (property.key()) {
+
+          case "color":
+            color = Color.parseColor(property.value());
+            break;
+
+          case "background-color":
+            backgroundColor = Color.parseColor(property.value());
+            break;
+
+          default:
+            Debug.i("unexpected CSS property: %s", property);
+        }
+      }
+
+      final List<Object> spans = new ArrayList<>(3);
+
+      if (color != 0) {
+        spans.add(new ForegroundColorSpan(color));
+      }
+      if (backgroundColor != 0) {
+        spans.add(new BackgroundColorSpan(backgroundColor));
+      }
+
+      return spans.toArray();
+    }
+
+    @NonNull
+    @Override
+    public Collection<String> supportedTags() {
+      return Collections.singleton("span");
+    }
+  }
+}

app-sample/src/main/java/io/noties/markwon/app/samples/tasklist/TaskListMutateNestedSample.kt

@@ -25,7 +25,7 @@ import org.commonmark.node.SoftLineBreak
 import org.commonmark.node.Text
 
 @MarkwonSampleInfo(
-  id = "20211228120444",
+  id = "20201228120444",
   title = "Task list mutate nested",
   description = "Task list mutation with nested items",
   artifacts = [MarkwonArtifact.EXT_TASKLIST],

sample-utils/processor/src/main/resources/META-INF/gradle/incremental.annotation.processors

@@ -1 +1 @@
-io.noties.markwon.sample.processor.MarkwonSampleProcessor,isolating
+io.noties.markwon.sample.processor.MarkwonSampleProcessor,aggregating