feat(BaseLangDoc): multi RefClass to support Ref in javadoc and kotlin doc

src/main/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java

@@ -19,6 +19,8 @@ import io.github.linwancen.plugin.show.lang.base.DocFilter;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.List;
+
 public class JavaLangDoc extends BaseTagLangDoc<PsiDocComment> {
 
     public static final JavaLangDoc INSTANCE = new JavaLangDoc();
@@ -28,8 +30,8 @@ public class JavaLangDoc extends BaseTagLangDoc<PsiDocComment> {
     }
 
     @Override
-    public @NotNull Class<? extends PsiElement> getRefClass() {
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
-        return PsiJavaCodeReferenceElement.class;
+        return List.of(PsiJavaCodeReferenceElement.class, PsiDocTagValue.class);
     }
 
     @Override

src/main/idea/io/github/linwancen/plugin/show/java/KotlinLangDoc.java

@@ -11,6 +11,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.kotlin.idea.KotlinLanguage;
 import org.jetbrains.kotlin.kdoc.psi.api.KDoc;
+import org.jetbrains.kotlin.kdoc.psi.impl.KDocName;
 import org.jetbrains.kotlin.kdoc.psi.impl.KDocSection;
 import org.jetbrains.kotlin.kdoc.psi.impl.KDocTag;
 import org.jetbrains.kotlin.psi.KtNameReferenceExpression;
@@ -24,8 +25,8 @@ public class KotlinLangDoc extends BaseTagLangDoc<KDocSection> {
     }
 
     @Override
-    public @NotNull Class<? extends PsiElement> getRefClass() {
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
-        return KtNameReferenceExpression.class;
+        return List.of(KtNameReferenceExpression.class, KDocName.class);
     }
 
     @Override

src/main/java/io/github/linwancen/plugin/show/lang/GoLangDoc.java

@@ -20,8 +20,8 @@ public class GoLangDoc extends BaseLangDoc {
     }
 
     @Override
-    public @NotNull Class<? extends PsiElement> getRefClass() {
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
-        return GoReferenceExpressionBase.class;
+        return List.of(GoReferenceExpressionBase.class);
     }
 
     @Override

src/main/java/io/github/linwancen/plugin/show/lang/JsLangDoc.java

@@ -11,6 +11,8 @@ import io.github.linwancen.plugin.show.lang.base.BaseLangDoc;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.List;
+
 public class JsLangDoc extends BaseLangDoc {
 
     static {
@@ -18,8 +20,8 @@ public class JsLangDoc extends BaseLangDoc {
     }
 
     @Override
-    public @NotNull Class<? extends PsiElement> getRefClass() {
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
-        return JSPsiReferenceElement.class;
+        return List.of(JSPsiReferenceElement.class);
     }
 
     @Override

src/main/java/io/github/linwancen/plugin/show/lang/JsonLangDoc.java

@@ -30,8 +30,8 @@ public class JsonLangDoc extends BaseLangDoc {
     public static final JsonLangDoc INSTANCE = new JsonLangDoc();
 
     @Override
-    public @NotNull Class<? extends PsiElement> getRefClass() {
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
-        return JsonProperty.class;
+        return List.of(JsonProperty.class);
     }
 
     @Override

src/main/java/io/github/linwancen/plugin/show/lang/PythonLangDoc.java

@@ -15,6 +15,8 @@ import org.apache.commons.lang3.StringUtils;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.List;
+
 public class PythonLangDoc extends BaseTagLangDoc<StructuredDocString> {
 
     static {
@@ -22,8 +24,8 @@ public class PythonLangDoc extends BaseTagLangDoc<StructuredDocString> {
     }
 
     @Override
-    public @NotNull Class<? extends PsiElement> getRefClass() {
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
-        return PyReferenceExpression.class;
+        return List.of(PyReferenceExpression.class);
     }
 
     @Override

src/main/java/io/github/linwancen/plugin/show/lang/SqlLangDoc.java

@@ -12,6 +12,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.lang.reflect.Method;
+import java.util.List;
 
 public class SqlLangDoc extends BaseLangDoc {
 
@@ -20,8 +21,8 @@ public class SqlLangDoc extends BaseLangDoc {
     }
 
     @Override
-    public @NotNull Class<? extends PsiElement> getRefClass() {
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
-        return SqlReferenceExpression.class;
+        return List.of(SqlReferenceExpression.class);
     }
 
     @Override

src/main/java/io/github/linwancen/plugin/show/lang/base/BaseLangDoc.java

@@ -29,7 +29,7 @@ import java.util.Map;
 public abstract class BaseLangDoc extends EditorLinePainter {
     public static final Map<String, BaseLangDoc> LANG_DOC_MAP = new LinkedHashMap<>();
 
-    public abstract @Nullable Class<? extends PsiElement> getRefClass();
+    public abstract @NotNull List<Class<? extends PsiElement>> getRefClass();
 
     public abstract boolean show(@NotNull LineInfo info);
 
@@ -75,10 +75,7 @@ public abstract class BaseLangDoc extends EditorLinePainter {
     @Nullable
     public String findRefDoc(@NotNull LineInfo info, @NotNull FileViewProvider viewProvider,
                              @NotNull PsiElement element) {
-        @Nullable Class<? extends PsiElement> refClass = getRefClass();
+        @NotNull List<Class<? extends PsiElement>> refClass = getRefClass();
-        if (refClass == null) {
-            return null;
-        }
         @Nullable String doc = null;
         @Nullable String text = null;
         @Nullable PsiElement refElement = element;

src/main/java/io/github/linwancen/plugin/show/lang/base/Prev.java

@@ -10,6 +10,7 @@ import io.github.linwancen.plugin.show.bean.SettingsInfo;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.List;
 import java.util.regex.Pattern;
 
 public class Prev {
@@ -18,7 +19,7 @@ public class Prev {
 
     @Nullable
     public static PsiElement prevRefChild(@NotNull LineInfo info, @NotNull PsiElement element,
-                                          @NotNull Class<? extends PsiElement> refClass) {
+                                          @NotNull List<Class<? extends PsiElement>> refClass) {
         @Nullable PsiElement prevParent = refClassParent(element, refClass);
         while ((element = PsiTreeUtil.prevVisibleLeaf(element)) != null) {
             if (element.getTextRange().getEndOffset() < info.startOffset) {
@@ -29,7 +30,7 @@ public class Prev {
                 // skip b in a.b.c
                 if (prevParent != null
                         && prevParent.getTextRange().getEndOffset() < info.endOffset
-                        && PsiTreeUtil.findChildOfType(prevParent, refClass) == parent) {
+                        && prevParentChildEqParent(prevParent, refClass, parent)) {
                     prevParent = parent;
                 } else {
                     if (!(element instanceof PsiComment)) {
@@ -41,6 +42,17 @@ public class Prev {
         return null;
     }
 
+    private static boolean prevParentChildEqParent(@NotNull PsiElement prevParent,
+                                                   @NotNull List<Class<? extends PsiElement>> refClass,
+                                                   @NotNull PsiElement parent) {
+        for (@NotNull Class<? extends PsiElement> c : refClass) {
+            if (PsiTreeUtil.findChildOfType(prevParent, c) == parent) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     private static final Pattern SYMBOL_PATTERN = Pattern.compile("[^" +
             ":-@" +
             "\\[-`" +
@@ -49,7 +61,7 @@ public class Prev {
 
     @Nullable
     private static PsiElement refClassParent(@NotNull PsiElement element,
-                                             @NotNull Class<? extends PsiElement> refClass) {
+                                             @NotNull List<Class<? extends PsiElement>> refClass) {
         String text = element.getText();
         if (!SYMBOL_PATTERN.matcher(text).find()) {
             return null;
@@ -58,18 +70,23 @@ public class Prev {
         if (parent == null) {
             return null;
         }
-        if (!refClass.isAssignableFrom(parent.getClass())) {
+        if (notAssignableFrom(refClass, parent)) {
             parent = parent.getParent();
             if (parent == null) {
                 return null;
             }
         }
-        if (!refClass.isAssignableFrom(parent.getClass())) {
+        if (notAssignableFrom(refClass, parent)) {
             return null;
         }
         return parent;
     }
 
+    private static boolean notAssignableFrom(@NotNull List<Class<? extends PsiElement>> refClass,
+                                             @NotNull PsiElement parent) {
+        return refClass.stream().noneMatch(it -> it.isAssignableFrom(parent.getClass()));
+    }
+
     public static @Nullable <T extends SettingsInfo> PsiElement prevCompactElement(
             @SuppressWarnings("unused") @NotNull T info, @NotNull PsiElement resolve, @NotNull Document document) {
         @Nullable PsiElement element = PsiTreeUtil.prevVisibleLeaf(resolve);

src/test/java/io/github/linwancen/plugin/show/demo/java/Kotlin.kt

@@ -4,6 +4,12 @@ import io.github.linwancen.plugin.show.demo.java.obj.Child
 import io.github.linwancen.plugin.show.demo.java.obj.Parent
 
 /**
+ * Kotlin
+ *
+ * [call]
+ * [InDoc.field]
+ * [InDoc.method1] [InDoc.method2]
+ *
  * @author l
  */
 object Kotlin : Parent() {