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package org.jetbrains.dokka.base.resolvers.local
import org.jetbrains.dokka.DokkaException
import org.jetbrains.dokka.base.resolvers.local.DokkaLocationProvider.Companion.identifierToFilename
import org.jetbrains.dokka.links.DRI
import org.jetbrains.dokka.model.DisplaySourceSet
import org.jetbrains.dokka.pages.PageNode
interface LocationProvider {
fun resolve(dri: DRI, sourceSets: Set<DisplaySourceSet>, context: PageNode? = null): String?
fun resolve(node: PageNode, context: PageNode? = null, skipExtension: Boolean = false): String?
fun pathToRoot(from: PageNode): String
fun ancestors(node: PageNode): List<PageNode>
/**
* This method should return guessed filesystem location for a given [DRI]
* It is used to decide if a [DRI] should be present in the relocation list of the
* generated package-list so it is ok if the path differs from the one returned by [resolve]
* @return Path to a giver [DRI] or null if path should not be considered for relocations
*/
fun expectedLocationForDri(dri: DRI): String =
(listOf(dri.packageName) +
dri.classNames?.split(".")?.map { identifierToFilename(it) }.orEmpty() +
listOf(dri.callable?.let { identifierToFilename(it.name) } ?: "index")
).filterNotNull().joinToString("/")
}
fun LocationProvider.resolveOrThrow(dri: DRI, sourceSets: Set<DisplaySourceSet>, context: PageNode? = null): String =
resolve(dri = dri, sourceSets = sourceSets, context = context)
?: throw DokkaException("Cannot resolve path for $dri")
fun LocationProvider.resolveOrThrow(node: PageNode, context: PageNode? = null, skipExtension: Boolean = false): String =
resolve(node = node, context = context, skipExtension = skipExtension)
?: throw DokkaException("Cannot resolve path for ${node.name}")
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