kotlin.reflect.jvm.internal.impl.descriptors.PackageFragmentProviderImpl.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 kotlin.reflect.jvm.internal.impl.descriptors

import kotlin.reflect.jvm.internal.impl.name.FqName
import kotlin.reflect.jvm.internal.impl.name.Name

class PackageFragmentProviderImpl(
    private val packageFragments: Collection
) : PackageFragmentProviderOptimized {
    override fun collectPackageFragments(fqName: FqName, packageFragments: MutableCollection) {
        this.packageFragments.filterTo(packageFragments) { it.fqName == fqName }
    }

    override fun isEmpty(fqName: FqName): Boolean =
        this.packageFragments.none { it.fqName == fqName }

    @Deprecated("for usages use #packageFragments(FqName) at final point, for impl use #collectPackageFragments(FqName, MutableCollection)")
    override fun getPackageFragments(fqName: FqName): List =
        packageFragments.filter { it.fqName == fqName }

    override fun getSubPackagesOf(fqName: FqName, nameFilter: (Name) -> Boolean): Collection =
        packageFragments.asSequence()
            .map { it.fqName }
            .filter { !it.isRoot && it.parent() == fqName }
            .toList()
}