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package org.jetbrains.dokka.plugability
import org.jetbrains.dokka.DokkaConfiguration
class ExtensionBuilderStart internal constructor(){
fun <T: Any> extensionPoint(ext: ExtensionPoint<T>): ProvidedExtension<T> = ProvidedExtension(ext)
}
class ProvidedExtension<T: Any> internal constructor(val ext: ExtensionPoint<T>){
fun fromInstance(inst: T): ExtensionBuilder<T> = createBuilder(
LazyEvaluated.fromInstance(
inst
)
)
fun fromRecipe(recipe: (DokkaContext) -> T): ExtensionBuilder<T> = createBuilder(
LazyEvaluated.fromRecipe(recipe)
)
private val defaultName = "${ext.pointName}/in/${javaClass.simpleName}"
private fun createBuilder(action: LazyEvaluated<T>) =
ExtensionBuilder(defaultName, ext, action,
emptyList(), emptyList(),
OverrideKind.None, emptyList())
}
data class ExtensionBuilder<T: Any> internal constructor(
private val name: String,
private val ext: ExtensionPoint<T>,
private val action: LazyEvaluated<T>,
private val before: List<out Extension<*, *, *>>,
private val after: List<out Extension<*, *, *>>,
private val override: OverrideKind = OverrideKind.None,
private val conditions: List<(DokkaConfiguration) -> Boolean>
){
fun build(): Extension<T, *, *> = Extension(
ext,
javaClass.name,
name,
action,
OrderingKind.ByDsl {
before(*before.toTypedArray())
after(*after.toTypedArray())
},
override,
conditions
)
fun overrideExtension(extension: Extension<T, *, *>) = copy(override = OverrideKind.Present(listOf(extension)))
fun newOrdering(before: Array<out Extension<*, *, *>>, after: Array<out Extension<*, *, *>>) =
copy(before = this.before + before, after = this.after + after)
fun before(vararg exts: Extension<*, *, *>) = copy(before = this.before + exts)
fun after(vararg exts: Extension<*, *, *>) = copy(after = this.after + exts)
fun addCondition(c: (DokkaConfiguration) -> Boolean) = copy(conditions = conditions + c)
fun name(name: String) = copy(name = name)
}
abstract class DokkaJavaPlugin: DokkaPlugin() {
fun <T: DokkaPlugin> plugin(clazz: Class<T>): T? =
context?.plugin(clazz.kotlin) ?: throwIllegalQuery()
fun <T: Any> extend(func: (ExtensionBuilderStart) -> ExtensionBuilder<T>): Lazy<Extension<T, *, *>> =
lazy { func(ExtensionBuilderStart()).build() }.also { unsafeInstall(it) }
}
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