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package org.jetbrains.dokka.kotlinAsJava.signatures
import org.jetbrains.dokka.base.signatures.JvmSignatureUtils
import org.jetbrains.dokka.base.signatures.SignatureProvider
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.sureClassNames
import org.jetbrains.dokka.model.*
import org.jetbrains.dokka.model.properties.WithExtraProperties
import org.jetbrains.dokka.pages.ContentKind
import org.jetbrains.dokka.pages.ContentNode
import org.jetbrains.dokka.pages.TextStyle
import org.jetbrains.dokka.utilities.DokkaLogger
import kotlin.text.Typography.nbsp
class JavaSignatureProvider(ctcc: CommentsToContentConverter, logger: DokkaLogger) : SignatureProvider,
JvmSignatureUtils by JavaSignatureUtils {
private val contentBuilder = PageContentBuilder(ctcc, this, logger)
private val ignoredVisibilities = setOf(JavaVisibility.Default)
private val ignoredModifiers =
setOf(KotlinModifier.Open, JavaModifier.Empty, KotlinModifier.Empty, KotlinModifier.Sealed)
override fun signature(documentable: Documentable): List<ContentNode> = when (documentable) {
is DFunction -> signature(documentable)
is DProperty -> signature(documentable)
is DClasslike -> signature(documentable)
is DEnumEntry -> signature(documentable)
is DTypeParameter -> signature(documentable)
else -> throw NotImplementedError(
"Cannot generate signature for ${documentable::class.qualifiedName} ${documentable.name}"
)
}
private fun signature(e: DEnumEntry) =
e.sourceSets.map {
contentBuilder.contentFor(
e,
ContentKind.Symbol,
setOf(TextStyle.Monospace) + e.stylesIfDeprecated(it),
sourceSets = setOf(it)
) {
link(e.name, e.dri)
}
}
private fun signature(c: DClasslike) =
c.sourceSets.map {
contentBuilder.contentFor(
c,
ContentKind.Symbol,
setOf(TextStyle.Monospace) + ((c as? WithExtraProperties<out Documentable>)?.stylesIfDeprecated(it)
?: emptySet()),
sourceSets = setOf(it)
) {
text(c.visibility[it]?.takeIf { it !in ignoredVisibilities }?.name?.plus(" ") ?: "")
if (c is DClass) {
text(c.modifier[it]?.takeIf { it !in ignoredModifiers }?.name?.plus(" ") ?: "")
text(c.modifiers()[it]?.toSignatureString() ?: "")
}
when (c) {
is DClass -> text("class ")
is DInterface -> text("interface ")
is DEnum -> text("enum ")
is DObject -> text("class ")
is DAnnotation -> text("@interface ")
}
link(c.name!!, c.dri)
if (c is WithGenerics) {
list(c.generics, prefix = "<", suffix = ">") {
+buildSignature(it)
}
}
if (c is WithSupertypes) {
c.supertypes.map { (p, dris) ->
val (classes, interfaces) = dris.partition { it.kind == JavaClassKindTypes.CLASS }
list(classes, prefix = " extends ", sourceSets = setOf(p)) {
signatureForProjection(it.typeConstructor)
}
list(interfaces, prefix = " implements ", sourceSets = setOf(p)) {
signatureForProjection(it.typeConstructor)
}
}
}
}
}
private fun signature(p: DProperty) =
p.sourceSets.map {
contentBuilder.contentFor(
p,
ContentKind.Symbol,
setOf(TextStyle.Monospace, TextStyle.Block) + p.stylesIfDeprecated(it),
sourceSets = setOf(it)
) {
annotationsBlock(p)
text(p.visibility[it]?.takeIf { it !in ignoredVisibilities }?.name?.plus(" ") ?: "")
text(p.modifier[it]?.name + " ")
text(p.modifiers()[it]?.toSignatureString() ?: "")
signatureForProjection(p.type)
text(nbsp.toString())
link(p.name, p.dri)
}
}
private fun signature(f: DFunction) =
f.sourceSets.map {
contentBuilder.contentFor(
f,
ContentKind.Symbol,
setOf(TextStyle.Monospace, TextStyle.Block) + f.stylesIfDeprecated(it),
sourceSets = setOf(it)
) {
annotationsBlock(f)
text(f.modifier[it]?.takeIf { it !in ignoredModifiers }?.name?.plus(" ") ?: "")
text(f.modifiers()[it]?.toSignatureString() ?: "")
val returnType = f.type
signatureForProjection(returnType)
text(nbsp.toString())
link(f.name, f.dri)
val usedGenerics = if (f.isConstructor) f.generics.filter { f uses it } else f.generics
list(usedGenerics, prefix = "<", suffix = ">") {
+buildSignature(it)
}
text("(")
list(f.parameters) {
annotationsInline(it)
text(it.modifiers()[it]?.toSignatureString() ?: "")
signatureForProjection(it.type)
text(nbsp.toString())
link(it.name!!, it.dri)
}
text(")")
}
}
private fun signature(t: DTypeParameter) =
t.sourceSets.map {
contentBuilder.contentFor(t, styles = t.stylesIfDeprecated(it), sourceSets = setOf(it)) {
text(t.name.substringAfterLast("."))
list(t.bounds, prefix = " extends ") {
signatureForProjection(it)
}
}
}
private fun PageContentBuilder.DocumentableContentBuilder.signatureForProjection(p: Projection): Unit = when (p) {
is TypeParameter -> link(p.name, p.dri)
is TypeConstructor -> group(styles = emptySet()) {
link(p.dri.classNames.orEmpty(), p.dri)
list(p.projections, prefix = "<", suffix = ">") {
signatureForProjection(it)
}
}
is Variance<*> -> group(styles = emptySet()) {
val variance = when(p) {
is Covariance<*> -> "? extends "
is Contravariance<*> -> "? super "
is Invariance<*> -> ""
}
text(variance)
signatureForProjection(p.inner)
}
is Star -> text("?")
is Nullable -> signatureForProjection(p.inner)
is JavaObject, is Dynamic -> link("Object", DRI("java.lang", "Object"))
is Void -> text("void")
is PrimitiveJavaType -> text(p.name)
is UnresolvedBound -> text(p.name)
is TypeAliased -> signatureForProjection(p.inner)
}
}
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