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package org.jetbrains.dokka.pages
import org.jetbrains.dokka.model.Documentable
import org.jetbrains.dokka.Platform
import org.jetbrains.dokka.links.DRI
import java.util.*
interface PageNode {
val name: String
val children: List<PageNode>
fun modified(
name: String = this.name,
children: List<PageNode> = this.children
): PageNode
}
interface ContentPage: PageNode {
val content: ContentNode
val dri: Set<DRI>
val documentable: Documentable?
val embeddedResources: List<String>
fun modified(
name: String = this.name,
content: ContentNode = this.content,
embeddedResources: List<String> = this.embeddedResources,
children: List<PageNode> = this.children
): ContentPage
}
abstract class RootPageNode: PageNode {
val parentMap: Map<PageNode, PageNode> by lazy {
IdentityHashMap<PageNode, PageNode>().apply {
fun process(parent: PageNode) {
parent.children.forEach { child ->
put(child, parent)
process(child)
}
}
process(this@RootPageNode)
}
}
fun transformPageNodeTree(operation: (PageNode) -> PageNode) =
this.transformNode(operation) as RootPageNode
fun transformContentPagesTree(operation: (ContentPage) -> ContentPage) = transformPageNodeTree {
if (it is ContentPage) operation(it) else it
}
private fun PageNode.transformNode(operation: (PageNode) -> PageNode): PageNode =
operation(this).let { newNode ->
newNode.modified(children = newNode.children.map { it.transformNode(operation) })
}
abstract override fun modified(
name: String,
children: List<PageNode>
): RootPageNode
}
class ModulePageNode(
override val name: String,
override val content: ContentNode,
override val documentable: Documentable?,
override val children: List<PageNode>,
override val embeddedResources: List<String> = listOf()
) : RootPageNode(), ContentPage {
override val dri: Set<DRI> = setOf(DRI.topLevel)
override fun modified(name: String, children: List<PageNode>): ModulePageNode =
modified(name = name, content = this.content, children = children)
override fun modified(
name: String,
content: ContentNode,
embeddedResources: List<String>,
children: List<PageNode>
): ModulePageNode =
if (name == this.name && content === this.content && embeddedResources === this.embeddedResources && children shallowEq this.children) this
else ModulePageNode(name, content, documentable, children, embeddedResources)
}
class PackagePageNode(
override val name: String,
override val content: ContentNode,
override val dri: Set<DRI>,
override val documentable: Documentable?,
override val children: List<PageNode>,
override val embeddedResources: List<String> = listOf()
) : ContentPage {
override fun modified(name: String, children: List<PageNode>): PackagePageNode =
modified(name = name, content = this.content, children = children)
override fun modified(
name: String,
content: ContentNode,
embeddedResources: List<String>,
children: List<PageNode>
): PackagePageNode =
if (name == this.name && content === this.content && embeddedResources === this.embeddedResources && children shallowEq this.children) this
else PackagePageNode(name, content, dri, documentable, children, embeddedResources)
}
class ClasslikePageNode(
override val name: String,
override val content: ContentNode,
override val dri: Set<DRI>,
override val documentable: Documentable?,
override val children: List<PageNode>,
override val embeddedResources: List<String> = listOf()
) : ContentPage {
override fun modified(name: String, children: List<PageNode>): ClasslikePageNode =
modified(name = name, content = this.content, children = children)
override fun modified(
name: String,
content: ContentNode,
embeddedResources: List<String>,
children: List<PageNode>
): ClasslikePageNode =
if (name == this.name && content === this.content && embeddedResources === this.embeddedResources && children shallowEq this.children) this
else ClasslikePageNode(name, content, dri, documentable, children, embeddedResources)
}
class MemberPageNode(
override val name: String,
override val content: ContentNode,
override val dri: Set<DRI>,
override val documentable: Documentable?,
override val children: List<PageNode> = emptyList(),
override val embeddedResources: List<String> = listOf()
) : ContentPage {
override fun modified(name: String, children: List<PageNode>): MemberPageNode =
modified(name = name, content = this.content, children = children)
override fun modified(
name: String,
content: ContentNode,
embeddedResources: List<String>,
children: List<PageNode>
): MemberPageNode =
if (name == this.name && content === this.content && embeddedResources === this.embeddedResources && children shallowEq this.children) this
else MemberPageNode(name, content, dri, documentable, children, embeddedResources)
}
data class PlatformData(val name: String, val platformType: Platform, val targets: List<String>) {
override fun toString() = targets.toString()
}
fun PageNode.dfs(predicate: (PageNode) -> Boolean): PageNode? = if (predicate(this)) {
this
} else {
this.children.asSequence().mapNotNull { it.dfs(predicate) }.firstOrNull()
}
fun PageNode.asSequence(): Sequence<PageNode> = sequence {
yield(this@asSequence)
children.asSequence().flatMap { it.asSequence() }.forEach { yield(it) }
}
inline fun <reified T: PageNode> PageNode.children() = children.filterIsInstance<T>()
private infix fun <T> List<T>.shallowEq(other: List<T>) =
this === other || (this.size == other.size && (this zip other).all { (a, b) -> a === b })
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