org.jetbrains.kotlin.psi.KtClass.kt Maven / Gradle / Ivy
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/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.psi
import com.intellij.lang.ASTNode
import com.intellij.openapi.util.text.StringUtil
import com.intellij.psi.PsiElement
import com.intellij.psi.tree.TokenSet
import com.intellij.psi.util.PsiTreeUtil
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.stubs.KotlinClassStub
import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes
import java.util.*
open class KtClass : KtClassOrObject {
constructor(node: ASTNode) : super(node)
constructor(stub: KotlinClassStub) : super(stub, KtStubElementTypes.CLASS)
override fun accept(visitor: KtVisitor, data: D): R {
return visitor.visitClass(this, data)
}
private val _stub: KotlinClassStub?
get() = stub as? KotlinClassStub
fun getColon(): PsiElement? = findChildByType(KtTokens.COLON)
fun getProperties(): List = getBody()?.properties.orEmpty()
fun isInterface(): Boolean =
_stub?.isInterface() ?: (findChildByType(KtTokens.INTERFACE_KEYWORD) != null)
fun isEnum(): Boolean = hasModifier(KtTokens.ENUM_KEYWORD)
fun isData(): Boolean = hasModifier(KtTokens.DATA_KEYWORD)
fun isSealed(): Boolean = hasModifier(KtTokens.SEALED_KEYWORD)
fun isInner(): Boolean = hasModifier(KtTokens.INNER_KEYWORD)
override fun isEquivalentTo(another: PsiElement?): Boolean {
if (super.isEquivalentTo(another)) {
return true
}
if (another is KtClass) {
val fq1 = getQualifiedName()
val fq2 = another.getQualifiedName()
return fq1 != null && fq2 != null && fq1 == fq2
}
return false
}
protected fun getQualifiedName(): String? {
val stub = stub
if (stub != null) {
val fqName = stub.getFqName()
return fqName?.asString()
}
val parts = ArrayList()
var current: KtClassOrObject? = this
while (current != null) {
parts.add(current.name!!)
current = PsiTreeUtil.getParentOfType(current, KtClassOrObject::class.java)
}
val file = containingFile as? KtFile ?: return null
val fileQualifiedName = file.packageFqName.asString()
if (!fileQualifiedName.isEmpty()) {
parts.add(fileQualifiedName)
}
Collections.reverse(parts)
return StringUtil.join(parts, ".")
}
override fun getCompanionObjects(): List = getBody()?.allCompanionObjects.orEmpty()
fun getClassOrInterfaceKeyword(): PsiElement? = findChildByType(TokenSet.create(KtTokens.CLASS_KEYWORD, KtTokens.INTERFACE_KEYWORD))
}
fun KtClass.createPrimaryConstructorIfAbsent(): KtPrimaryConstructor {
val constructor = primaryConstructor
if (constructor != null) return constructor
var anchor: PsiElement? = typeParameterList
if (anchor == null) anchor = nameIdentifier
if (anchor == null) anchor = lastChild
return addAfter(KtPsiFactory(project).createPrimaryConstructor(), anchor) as KtPrimaryConstructor
}
fun KtClass.createPrimaryConstructorParameterListIfAbsent(): KtParameterList {
val constructor = createPrimaryConstructorIfAbsent()
val parameterList = constructor.valueParameterList
if (parameterList != null) return parameterList
return constructor.add(KtPsiFactory(project).createParameterList("()")) as KtParameterList
}