/*
* 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.load.java.structure.impl
import org.jetbrains.kotlin.name.SpecialNames
fun String.convertCanonicalNameToQName() = splitCanonicalFqName().joinToString(separator = ".") { it.substringBefore('<') }
// "test.A<B.C>.D<E<F.G, H>, I.J>" -> ["test", "A<B.C>", "D<E<F.G, H>, I.J>"]
private fun String.splitCanonicalFqName(): List<String> {
fun String.toNonEmpty(): String =
if (this.isNotEmpty()) this else SpecialNames.SAFE_IDENTIFIER_FOR_NO_NAME.asString()
val result = arrayListOf<String>()
var balance = 0
var currentNameStart = 0
for ((index, character) in this.withIndex()) {
when (character) {
'.' -> if (balance == 0) {
result.add(this.substring(currentNameStart, index).toNonEmpty())
currentNameStart = index + 1
}
'<' -> balance++
'>' -> balance--
}
}
result.add(this.substring(currentNameStart).toNonEmpty())
return result
}