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package org.jetbrains.dokka.base.signatures
import org.jetbrains.dokka.base.transformers.pages.comments.CommentsToContentConverter
import org.jetbrains.dokka.base.translators.documentables.PageContentBuilder
import org.jetbrains.dokka.links.DRI
import org.jetbrains.dokka.links.DriOfAny
import org.jetbrains.dokka.links.DriOfUnit
import org.jetbrains.dokka.links.sureClassNames
import org.jetbrains.dokka.model.*
import org.jetbrains.dokka.model.DAnnotation
import org.jetbrains.dokka.model.DEnum
import org.jetbrains.dokka.model.DFunction
import org.jetbrains.dokka.pages.ContentKind
import org.jetbrains.dokka.pages.ContentNode
import org.jetbrains.dokka.pages.PlatformData
import org.jetbrains.dokka.pages.TextStyle
import org.jetbrains.dokka.utilities.DokkaLogger
class KotlinSignatureProvider(ctcc: CommentsToContentConverter, logger: DokkaLogger) : SignatureProvider {
private val contentBuilder = PageContentBuilder(ctcc, this, logger)
private val ignoredVisibilities = setOf(JavaVisibility.Default, KotlinVisibility.Public)
override fun signature(documentable: Documentable): ContentNode = when (documentable) {
is DFunction -> signature(documentable)
is DProperty -> signature(documentable)
is DClasslike -> signature(documentable)
is DTypeParameter -> signature(documentable)
is DEnumEntry -> signature(documentable)
else -> throw NotImplementedError(
"Cannot generate signature for ${documentable::class.qualifiedName} ${documentable.name}"
)
}
private fun signature(e: DEnumEntry)= contentBuilder.contentFor(e, ContentKind.Symbol, setOf(TextStyle.Monospace))
private fun signature(c: DClasslike) = contentBuilder.contentFor(c, ContentKind.Symbol, setOf(TextStyle.Monospace)) {
platformText(c.visibility) { (it.takeIf { it !in ignoredVisibilities }?.name ?: "") + " " }
if (c is DClass) {
platformText(c.modifier){
if (c.extra[AdditionalModifiers]?.content?.contains(ExtraModifiers.DATA) == true && it.name == "final") "data "
else it.name + " "
}
}
when (c) {
is DClass -> text("class ")
is DInterface -> text("interface ")
is DEnum -> text("enum ")
is DObject -> text("object ")
is DAnnotation -> text("annotation class ")
}
link(c.name!!, c.dri)
if(c is DClass){
val pConstructor = c.constructors.singleOrNull() { it.extra[PrimaryConstructorExtra] != null }
list(pConstructor?.parameters.orEmpty(), "(", ")", ",", pConstructor?.platformData.orEmpty().toSet()){
breakLine()
text(it.name ?: "", styles = mainStyles.plus(TextStyle.Bold).plus(TextStyle.Indented))
text(": ")
signatureForProjection(it.type)
}
}
if (c is WithSupertypes) {
c.supertypes.map { (p, dris) ->
list(dris, prefix = " : ", platformData = setOf(p)) {
link(it.sureClassNames, it, platformData = setOf(p))
}
}
}
}
private fun signature(p: DProperty) = contentBuilder.contentFor(p, ContentKind.Symbol, setOf(TextStyle.Monospace)) {
signatureForProjection(p.type)
}
private fun signature(f: DFunction) = contentBuilder.contentFor(f, ContentKind.Symbol, setOf(TextStyle.Monospace)) {
platformText(f.visibility) { (it.takeIf { it !in ignoredVisibilities }?.name ?: "") + " " }
platformText(f.modifier) { it.name + " " }
text("fun ")
list(f.generics, prefix = "<", suffix = "> ") {
+buildSignature(it)
}
f.receiver?.also {
signatureForProjection(it.type)
text(".")
}
link(f.name, f.dri)
text("(")
list(f.parameters) {
text(it.name!!)
text(": ")
signatureForProjection(it.type)
}
text(")")
if (f.documentReturnType()) {
text(": ")
signatureForProjection(f.type)
}
}
private fun DFunction.documentReturnType() = when {
this.isConstructor -> false
this.type is TypeConstructor && (this.type as TypeConstructor).dri == DriOfUnit -> false
this.type is Void -> false
else -> true
}
private fun signature(t: DTypeParameter) = contentBuilder.contentFor(t) {
link(t.name, t.dri)
list(t.bounds, prefix = " : ") {
signatureForProjection(it)
}
}
private fun PageContentBuilder.DocumentableContentBuilder.signatureForProjection(p: Projection): Unit = when (p) {
is OtherParameter -> text(p.name)
is TypeConstructor -> if (p.function)
+funType(this.mainDRI, this.mainPlatformData, p)
else
group {
link(p.dri.classNames.orEmpty(), p.dri)
list(p.projections, prefix = "<", suffix = ">") {
signatureForProjection(it)
}
}
is Variance -> group {
text(p.kind.toString() + " ")
signatureForProjection(p.inner)
}
is Star -> text("*")
is Nullable -> group {
signatureForProjection(p.inner)
text("?")
}
is JavaObject -> link("Any", DriOfAny)
is Void -> link("Unit", DriOfUnit)
is PrimitiveJavaType -> signatureForProjection(p.translateToKotlin())
}
fun funType(dri: DRI, platformData: Set<PlatformData>, type: TypeConstructor) =
contentBuilder.contentFor(dri, platformData, ContentKind.Symbol, setOf(TextStyle.Monospace)) {
if (type.extension) {
signatureForProjection(type.projections.first())
text(".")
}
val args = if (type.extension)
type.projections.drop(1)
else
type.projections
text("(")
args.subList(0, args.size - 1).forEachIndexed { i, arg ->
signatureForProjection(arg)
if (i < args.size - 2) text(", ")
}
text(") -> ")
signatureForProjection(args.last())
}
}
private fun PrimitiveJavaType.translateToKotlin() = TypeConstructor(
dri = DRI("kotlin", name.capitalize()),
projections = emptyList()
)
val TypeConstructor.function
get() = modifier == FunctionModifiers.FUNCTION || modifier == FunctionModifiers.EXTENSION
val TypeConstructor.extension
get() = modifier == FunctionModifiers.EXTENSION
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