/*
* Copyright 2010-2016 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.
*/
@file:JvmName("JavaElementCollectionFromPsiArrayUtil")
package org.jetbrains.kotlin.load.java.structure.impl
import com.intellij.psi.*
import com.intellij.psi.search.GlobalSearchScope
import org.jetbrains.kotlin.load.java.structure.*
import org.jetbrains.kotlin.name.Name
private inline fun <Psi, Java> Array<Psi>.convert(factory: (Psi) -> Java): List<Java> =
when (size) {
0 -> emptyList()
1 -> listOf(factory(first()))
else -> map(factory)
}
private fun <Psi, Java> Collection<Psi>.convert(factory: (Psi) -> Java): List<Java> =
when (size) {
0 -> emptyList()
1 -> listOf(factory(first()))
else -> map(factory)
}
internal fun classes(classes: Array<PsiClass>): Collection<JavaClass> =
classes.convert(::JavaClassImpl)
internal fun classes(classes: Collection<PsiClass>): Collection<JavaClass> =
classes.convert(::JavaClassImpl)
internal fun packages(packages: Array<PsiPackage>, scope: GlobalSearchScope): Collection<JavaPackage> =
packages.convert { psi -> JavaPackageImpl(psi, scope) }
internal fun methods(methods: Collection<PsiMethod>): Collection<JavaMethod> =
methods.convert(::JavaMethodImpl)
internal fun constructors(methods: Collection<PsiMethod>): Collection<JavaConstructor> =
methods.convert(::JavaConstructorImpl)
internal fun fields(fields: Collection<PsiField>): Collection<JavaField> =
fields.convert(::JavaFieldImpl)
internal fun valueParameters(parameters: Array<PsiParameter>): List<JavaValueParameter> =
parameters.convert(::JavaValueParameterImpl)
internal fun typeParameters(typeParameters: Array<PsiTypeParameter>): List<JavaTypeParameter> =
typeParameters.convert(::JavaTypeParameterImpl)
internal fun classifierTypes(classTypes: Array<PsiClassType>): Collection<JavaClassifierType> =
classTypes.convert(::JavaClassifierTypeImpl)
internal fun annotations(annotations: Array<out PsiAnnotation>): Collection<JavaAnnotation> =
annotations.convert(::JavaAnnotationImpl)
internal fun namedAnnotationArguments(nameValuePairs: Array<PsiNameValuePair>): Collection<JavaAnnotationArgument> =
nameValuePairs.convert { psi ->
val name = psi.name?.let(Name::identifier)
val value = psi.value ?: error("Annotation argument value cannot be null: $name")
JavaAnnotationArgumentImpl.create(value, name)
}