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package org.jetbrains.dokka.pages
import org.jetbrains.dokka.Model.DocumentationNode
import org.jetbrains.dokka.Platform
import org.jetbrains.dokka.links.DRI
interface PageNode {
val name: String
val content: ContentNode
val parent: PageNode?
val dri: DRI
val documentationNode: DocumentationNode?
val embeddedResources: List<String>
val children: List<PageNode>
fun modified(
name: String = this.name,
content: ContentNode = this.content,
embeddedResources: List<String> = this.embeddedResources,
children: List<PageNode> = this.children
): PageNode
}
abstract class BasicPageNode(children: List<PageNode>) : PageNode {
private lateinit var _parent: PageNode
override val parent: PageNode? by lazy { _parent }
override val children = children
override fun equals(other: Any?): Boolean =
if (other is PageNode) {
dri == other.dri && name == other.name
} else false
override fun hashCode(): Int =
(name + dri).hashCode()
init {
children.forEach { if (it is BasicPageNode) it._parent = this }
}
}
class ModulePageNode(
override val name: String,
override val content: ContentNode,
override val documentationNode: DocumentationNode?,
children: List<PageNode>,
override val embeddedResources: List<String> = listOf()
) : BasicPageNode(children) {
override val parent: Nothing? = null
override val dri: DRI = DRI.topLevel
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, documentationNode, children, embeddedResources)
private fun PageNode.transformNode(operation: (PageNode) -> PageNode): PageNode =
operation(this).let { newNode ->
newNode.modified(children = newNode.children.map { it.transformNode(operation) })
}
fun transformPageNodeTree(operation: (PageNode) -> PageNode) =
this.transformNode(operation) as ModulePageNode
}
class PackagePageNode(
override val name: String,
override val content: ContentNode,
override val dri: DRI,
override val documentationNode: DocumentationNode?,
children: List<PageNode>,
override val embeddedResources: List<String> = listOf()
) : BasicPageNode(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, documentationNode, children, embeddedResources)
}
class ClassPageNode(
override val name: String,
override val content: ContentNode,
override val dri: DRI,
override val documentationNode: DocumentationNode?,
children: List<PageNode>,
override val embeddedResources: List<String> = listOf()
) : BasicPageNode(children) {
override fun modified(
name: String,
content: ContentNode,
embeddedResources: List<String>,
children: List<PageNode>
): ClassPageNode =
if (name == this.name && content === this.content && embeddedResources === this.embeddedResources && children shallowEq this.children) this
else ClassPageNode(name, content, dri, documentationNode, children, embeddedResources)
}
class MemberPageNode(
override val name: String,
override val content: ContentNode,
override val dri: DRI,
override val documentationNode: DocumentationNode?,
children: List<PageNode> = emptyList(),
override val embeddedResources: List<String> = listOf()
) : BasicPageNode(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, documentationNode, children, embeddedResources)
}
data class PlatformData(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()
}
private infix fun <T> List<T>.shallowEq(other: List<T>) =
this === other || (this.size == other.size && (this zip other).all { (a, b) -> a === b })
// Navigation??
// content modifier?
//data class ContentLink(val link: String): ContentNode
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