org.jetbrains.kotlin.incremental.storage.IncrementalFileToPathConverter.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.incremental.storage
import java.io.File
open class IncrementalFileToPathConverter(val rootProjectDir: File?) : FileToPathConverter {
//project root dir
private val projectDirPath = rootProjectDir?.normalize()?.absolutePath
override fun toPath(file: File): String {
val path = file.normalize().absolutePath
return when {
projectDirPath == null || !path.startsWith(projectDirPath) -> path
else -> PROJECT_DIR_PLACEHOLDER + path.substring(projectDirPath.length)
}
}
override fun toFile(path: String): File =
when {
rootProjectDir != null && path.startsWith(PROJECT_DIR_PLACEHOLDER) -> rootProjectDir.resolve(path.substring(PATH_PREFIX.length))
else -> File(path)
}
private companion object {
private const val PROJECT_DIR_PLACEHOLDER = "${'$'}PROJECT_DIR$"
//use only for prefix length because it OS dependent
private const val PATH_PREFIX = "$PROJECT_DIR_PLACEHOLDER/"
}
}