org.jetbrains.kotlin.descriptors.impl.SubpackagesScope.kt Maven / Gradle / Ivy
/*
* 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.descriptors.impl
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.ModuleDescriptor
import org.jetbrains.kotlin.descriptors.PackageViewDescriptor
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.scopes.DescriptorKindExclude
import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
import org.jetbrains.kotlin.resolve.scopes.MemberScopeImpl
import org.jetbrains.kotlin.utils.Printer
import org.jetbrains.kotlin.utils.addIfNotNull
import java.util.*
open class SubpackagesScope(private val moduleDescriptor: ModuleDescriptor, private val fqName: FqName) : MemberScopeImpl() {
protected fun getPackage(name: Name): PackageViewDescriptor? {
if (name.isSpecial) {
return null
}
val packageViewDescriptor = moduleDescriptor.getPackage(fqName.child(name))
if (packageViewDescriptor.isEmpty()) {
return null
}
return packageViewDescriptor
}
override fun getContributedDescriptors(kindFilter: DescriptorKindFilter,
nameFilter: (Name) -> Boolean): Collection {
if (!kindFilter.acceptsKinds(DescriptorKindFilter.PACKAGES_MASK)) return listOf()
if (fqName.isRoot && kindFilter.excludes.contains(DescriptorKindExclude.TopLevelPackages)) return listOf()
val subFqNames = moduleDescriptor.getSubPackagesOf(fqName, nameFilter)
val result = ArrayList(subFqNames.size)
for (subFqName in subFqNames) {
val shortName = subFqName.shortName()
if (nameFilter(shortName)) {
result.addIfNotNull(getPackage(shortName))
}
}
return result
}
override fun getClassifierNames(): Set = emptySet()
override fun printScopeStructure(p: Printer) {
p.println(this::class.java.simpleName, " {")
p.pushIndent()
p.popIndent()
p.println("}")
}
override fun toString(): String = "subpackages of $fqName from $moduleDescriptor"
}