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package org.jetbrains.dokka
import java.io.File
interface Location {
val path: String get
fun relativePathTo(other: Location, anchor: String? = null): String
}
/**
* Represents locations in the documentation in the form of [path](File).
*
* Locations are provided by [LocationService.location] function.
*
* $file: [File] for this location
* $path: [String] representing path of this location
*/
data class FileLocation(val file: File): Location {
override val path : String
get() = file.path
override fun relativePathTo(other: Location, anchor: String?): String {
if (other !is FileLocation) {
throw IllegalArgumentException("$other is not a FileLocation")
}
if (file.path.substringBeforeLast(".") == other.file.path.substringBeforeLast(".") && anchor == null) {
return "./${file.name}"
}
val ownerFolder = file.parentFile!!
val relativePath = ownerFolder.toPath().relativize(other.file.toPath()).toString().replace(File.separatorChar, '/')
return if (anchor == null) relativePath else relativePath + "#" + anchor
}
}
/**
* Provides means of retrieving locations for [DocumentationNode](documentation nodes)
*
* `LocationService` determines where documentation for particular node should be generated
*
* * [FoldersLocationService] – represent packages and types as folders, members as files in those folders.
* * [SingleFolderLocationService] – all documentation is generated into single folder using fully qualified names
* for file names.
*/
interface LocationService {
fun withExtension(newExtension: String) = this
fun location(node: DocumentationNode): Location = location(node.path.map { it.name }, node.members.any())
/**
* Calculates a location corresponding to the specified [qualifiedName].
* @param hasMembers if true, the node for which the location is calculated has member nodes.
*/
fun location(qualifiedName: List<String>, hasMembers: Boolean): Location
val root: Location
}
interface FileLocationService: LocationService {
override fun withExtension(newExtension: String): FileLocationService = this
override fun location(node: DocumentationNode): FileLocation = location(node.path.map { it.name }, node.members.any())
override fun location(qualifiedName: List<String>, hasMembers: Boolean): FileLocation
}
fun identifierToFilename(path: String): String {
val escaped = path.replace('<', '-').replace('>', '-')
val lowercase = escaped.replace("[A-Z]".toRegex()) { matchResult -> "-" + matchResult.value.toLowerCase() }
return if (lowercase == "index") "--index--" else lowercase
}
/**
* Returns relative location between two nodes. Used for relative links in documentation.
*/
fun LocationService.relativePathToLocation(owner: DocumentationNode, node: DocumentationNode): String {
return location(owner).relativePathTo(location(node), null)
}
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