feat: add API for inverted query predicates

editor/src/main/java/com/itsaky/androidide/editor/language/treesitter/predicates/InvertingPredicate.kt

@@ -0,0 +1,49 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.itsaky.androidide.editor.language.treesitter.predicates
+
+import com.itsaky.androidide.treesitter.TSQuery
+import com.itsaky.androidide.treesitter.TSQueryMatch
+import io.github.rosemoe.sora.editor.ts.predicate.PredicateResult
+import io.github.rosemoe.sora.editor.ts.predicate.TsClientPredicateStep
+
+/**
+ * A [TreeSitterPredicate] which inverts the result of another predicate.
+ *
+ * @author Akash Yadav
+ */
+open class InvertingPredicate(override val name: String, private val predicate: TreeSitterPredicate) :
+  TreeSitterPredicate() {
+
+  override fun canHandle(steps: List<TsClientPredicateStep>): Boolean {
+    return predicate.canHandle(steps)
+  }
+
+  override fun doPredicateInternal(
+    tsQuery: TSQuery,
+    text: CharSequence,
+    match: TSQueryMatch,
+    predicate: List<TsClientPredicateStep>
+  ): PredicateResult {
+    return when (val result = this.predicate.doPredicateInternal(tsQuery, text, match, predicate)) {
+      PredicateResult.ACCEPT -> PredicateResult.REJECT
+      PredicateResult.REJECT -> PredicateResult.ACCEPT
+      else -> result
+    }
+  }
+}

editor/src/main/java/com/itsaky/androidide/editor/language/treesitter/predicates/MatchPredicate.kt

@@ -33,25 +33,19 @@ import java.util.regex.PatternSyntaxException
  *
  * @author Akash Yadav
  */
-open class MatchPredicate protected constructor() : TreeSitterPredicate() {
+object MatchPredicate : TreeSitterPredicate() {
 
   override val name: String
     get() = "match"
 
-  companion object {
-
-    @JvmField
-    val INSTANCE = MatchPredicate()
-
-    @JvmField
-    val PARAMETERS =
-      arrayOf(
-        TSQueryPredicateStep.Type.String,
-        TSQueryPredicateStep.Type.Capture,
-        TSQueryPredicateStep.Type.String,
-        TSQueryPredicateStep.Type.Done
-      )
-  }
+  @JvmField
+  val PARAMETERS =
+    arrayOf(
+      TSQueryPredicateStep.Type.String,
+      TSQueryPredicateStep.Type.Capture,
+      TSQueryPredicateStep.Type.String,
+      TSQueryPredicateStep.Type.Done
+    )
 
   private val cache = ConcurrentHashMap<String, Regex>()
 

editor/src/main/java/com/itsaky/androidide/editor/language/treesitter/predicates/NotEqualPredicate.kt

@@ -0,0 +1,32 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.itsaky.androidide.editor.language.treesitter.predicates
+
+import io.github.rosemoe.sora.editor.ts.predicate.TsPredicate
+
+/**
+ * [TsPredicate] implementation for '#not-eq?' query predicates.
+ *
+ * Syntax : `"#not-eq?" @capture @capture | "string" Done`
+ *
+ * Checks if the contents of the first capture is NOT equal to the given string or contents of the
+ * second capture.
+ *
+ * @author Akash Yadav
+ */
+object NotEqualPredicate : InvertingPredicate("not-eq", EqualPredicate)

editor/src/main/java/com/itsaky/androidide/editor/language/treesitter/predicates/NotMatchPredicate.kt

@@ -17,10 +17,6 @@
 
 package com.itsaky.androidide.editor.language.treesitter.predicates
 
-import com.itsaky.androidide.treesitter.TSQuery
-import com.itsaky.androidide.treesitter.TSQueryMatch
-import io.github.rosemoe.sora.editor.ts.predicate.PredicateResult
-import io.github.rosemoe.sora.editor.ts.predicate.TsClientPredicateStep
 import io.github.rosemoe.sora.editor.ts.predicate.TsPredicate
 
 /**
@@ -28,23 +24,4 @@ import io.github.rosemoe.sora.editor.ts.predicate.TsPredicate
  *
  * @author Akash Yadav
  */
-object  NotMatchPredicate : MatchPredicate() {
-
-  override val name: String
-    get() = "not-match"
-
-  override fun doPredicateInternal(
-    tsQuery: TSQuery,
-    text: CharSequence,
-    match: TSQueryMatch,
-    predicate: List<TsClientPredicateStep>
-  ): PredicateResult {
-
-    // Invert the result of the match predicate
-    return when (val result = super.doPredicateInternal(tsQuery, text, match, predicate)) {
-      PredicateResult.ACCEPT -> PredicateResult.REJECT
-      PredicateResult.REJECT -> PredicateResult.ACCEPT
-      else -> result
-    }
-  }
-}
+object NotMatchPredicate : InvertingPredicate("not-match", MatchPredicate)

editor/src/main/java/com/itsaky/androidide/editor/language/treesitter/predicates/TreeSitterPredicate.kt

@@ -51,7 +51,7 @@ abstract class TreeSitterPredicate : TsPredicate {
    * @param predicate The predicate steps.
    * @return The result of the predicate check.
    */
-  abstract fun doPredicateInternal(
+  internal abstract fun doPredicateInternal(
     tsQuery: TSQuery,
     text: CharSequence,
     match: TSQueryMatch,

editor/src/main/java/com/itsaky/androidide/editor/schemes/LanguageSpecProvider.kt

@@ -22,6 +22,7 @@ import com.itsaky.androidide.editor.language.treesitter.TreeSitterLanguageSpec
 import com.itsaky.androidide.editor.language.treesitter.predicates.AnyOfPredicate
 import com.itsaky.androidide.editor.language.treesitter.predicates.EqualPredicate
 import com.itsaky.androidide.editor.language.treesitter.predicates.MatchPredicate
+import com.itsaky.androidide.editor.language.treesitter.predicates.NotEqualPredicate
 import com.itsaky.androidide.editor.language.treesitter.predicates.NotMatchPredicate
 import com.itsaky.androidide.treesitter.TSLanguage
 import com.itsaky.androidide.utils.ILogger
@@ -55,7 +56,7 @@ object LanguageSpecProvider {
         bracketsScmSource = readScheme(context, type, "brackets"),
         localsCaptureSpec = localsCaptureSpec,
         predicates =
-          listOf(MatchPredicate.INSTANCE, NotMatchPredicate, EqualPredicate, AnyOfPredicate)
+          listOf(MatchPredicate, NotMatchPredicate, EqualPredicate, NotEqualPredicate, AnyOfPredicate)
       )
     return TreeSitterLanguageSpec(
       spec = editorLangSpec,