[Analysis API] move PSI utils to internal-utils module

2022-06-23 21:32:58 +02:00
parent bb7b34b3a1
commit 86605c066b
26 changed files with 76 additions and 66 deletions
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.analysis.utils.printer
+
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiElementVisitor
+import com.intellij.psi.impl.source.tree.LeafPsiElement
+import com.intellij.psi.util.PsiTreeUtil
+import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.psi.psiUtil.getNonStrictParentOfType
+import org.jetbrains.kotlin.psi.psiUtil.parents
+import org.jetbrains.kotlin.psi.psiUtil.parentsWithSelf
+
+public inline fun <reified T : PsiElement> PsiElement.parentOfType(withSelf: Boolean = false): T? {
+    return PsiTreeUtil.getParentOfType(this, T::class.java, !withSelf)
+}
+
+public fun <T : PsiElement> PsiElement.parentsOfType(clazz: Class<out T>, withSelf: Boolean = true): Sequence<T> {
+    return (if (withSelf) parentsWithSelf else parents).filterIsInstance(clazz)
+}
+
+public inline fun <reified T : PsiElement> PsiElement.parentsOfType(withSelf: Boolean = true): Sequence<T> =
+    parentsOfType(T::class.java, withSelf)
+
+
+public fun KtElement.getElementTextInContext(): String {
+    @Suppress("LocalVariableName") val ELEMENT_TAG = "ELEMENT"
+    val context = parentOfType<KtImportDirective>()
+        ?: parentOfType<KtPackageDirective>()
+        ?: PsiTreeUtil.getParentOfType(this, KtDeclarationWithBody::class.java, KtClassOrObject::class.java, KtScript::class.java)
+        ?: getNonStrictParentOfType<KtProperty>()
+        ?: containingKtFile
+    val builder = StringBuilder()
+    context.accept(object : PsiElementVisitor() {
+        override fun visitElement(element: PsiElement) {
+            if (element === this@getElementTextInContext) builder.append("<$ELEMENT_TAG>")
+            if (element is LeafPsiElement) {
+                builder.append(element.text)
+            } else {
+                element.acceptChildren(this)
+            }
+            if (element === this@getElementTextInContext) builder.append("</$ELEMENT_TAG>")
+        }
+    })
+    return builder.toString().trimIndent().trim()
+}
+