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package org.jetbrains.dokka.pages
import org.jetbrains.dokka.links.DRI
import org.jetbrains.dokka.model.DisplaySourceSet
import org.jetbrains.dokka.renderers.Renderer
import kotlin.reflect.KClass
fun interface DriResolver: (DRI, Set<DisplaySourceSet>) -> String?
fun interface PageResolver: (PageNode, PageNode?) -> String?
interface RendererSpecificPage : PageNode {
val strategy: RenderingStrategy
}
class RendererSpecificRootPage(
override val name: String,
override val children: List<PageNode>,
override val strategy: RenderingStrategy
) : RootPageNode(), RendererSpecificPage {
override fun modified(name: String, children: List<PageNode>): RendererSpecificRootPage =
RendererSpecificRootPage(name, children, strategy)
}
class RendererSpecificResourcePage(
override val name: String,
override val children: List<PageNode>,
override val strategy: RenderingStrategy
): RendererSpecificPage {
override fun modified(name: String, children: List<PageNode>): RendererSpecificResourcePage =
RendererSpecificResourcePage(name, children, strategy)
}
sealed class RenderingStrategy {
class Callback(val instructions: Renderer.(PageNode) -> String): RenderingStrategy()
data class Copy(val from: String) : RenderingStrategy()
data class Write(val text: String) : RenderingStrategy()
data class DriLocationResolvableWrite(val contentToResolve: (DriResolver) -> String) : RenderingStrategy()
data class PageLocationResolvableWrite(val contentToResolve: (PageResolver) -> String) : RenderingStrategy()
object DoNothing : RenderingStrategy()
companion object {
inline operator fun <reified T: Renderer> invoke(crossinline instructions: T.(PageNode) -> String) =
Callback { if (this is T) instructions(it) else throw WrongRendererTypeException(T::class) }
}
}
data class WrongRendererTypeException(val expectedType: KClass<*>): Exception()
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