org.jetbrains.kotlin.psi.stubs.elements.StubIndexService.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2015 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.stubs.elements

import com.intellij.openapi.components.ServiceManager
import com.intellij.psi.stubs.IndexSink
import com.intellij.psi.stubs.StubInputStream
import com.intellij.psi.stubs.StubOutputStream
import org.jetbrains.kotlin.psi.KtFile
import org.jetbrains.kotlin.psi.stubs.*
import org.jetbrains.kotlin.psi.stubs.impl.KotlinFileStubImpl
import java.io.IOException

open class StubIndexService protected constructor() {
    open fun indexFile(stub: KotlinFileStub, sink: IndexSink) {
    }

    open fun indexClass(stub: KotlinClassStub, sink: IndexSink) {
    }

    open fun indexFunction(stub: KotlinFunctionStub, sink: IndexSink) {
    }

    open fun indexTypeAlias(stub: KotlinTypeAliasStub, sink: IndexSink) {
    }

    open fun indexObject(stub: KotlinObjectStub, sink: IndexSink) {
    }

    open fun indexProperty(stub: KotlinPropertyStub, sink: IndexSink) {
    }

    open fun indexParameter(stub: KotlinParameterStub, sink: IndexSink) {
    }

    open fun indexAnnotation(stub: KotlinAnnotationEntryStub, sink: IndexSink) {
    }

    open fun indexScript(stub: KotlinScriptStub, sink: IndexSink) {
    }

    open fun createFileStub(file: KtFile): KotlinFileStub {
        return KotlinFileStubImpl(file, file.packageFqNameByTree.asString(), file.isScriptByTree)
    }

    @Throws(IOException::class)
    open fun serializeFileStub(stub: KotlinFileStub, dataStream: StubOutputStream) {
        dataStream.writeName(stub.getPackageFqName().asString())
        dataStream.writeBoolean(stub.isScript())
    }

    @Throws(IOException::class)
    open fun deserializeFileStub(dataStream: StubInputStream): KotlinFileStub {
        val packageFqNameAsString = dataStream.readName()
        val isScript = dataStream.readBoolean()
        return KotlinFileStubImpl(null, packageFqNameAsString!!.string, isScript)
    }

    companion object {
        @JvmStatic
        fun getInstance(): StubIndexService {
            return ServiceManager.getService(StubIndexService::class.java) ?: NO_INDEX
        }

        private val NO_INDEX = StubIndexService()
    }
}