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package org.jetbrains.dokka
import org.jetbrains.jet.lang.resolve.name.Name
/**
* Generates cross-references for documentation such as extensions for a type, inheritors, etc
*
* $receiver: [DocumentationContext] for node/descriptor resolutions
* $node: [DocumentationNode] to visit
*/
public fun DocumentationContext.resolveReferences(node: DocumentationNode) {
node.details(DocumentationNode.Kind.Receiver).forEach { detail ->
val receiverType = detail.detail(DocumentationNode.Kind.Type)
val descriptor = relations[receiverType]
if (descriptor != null) {
val typeNode = descriptorToNode[descriptor]
// if typeNode is null, extension is to external type like in a library
// should we create dummy node here?
typeNode?.addReferenceTo(node, DocumentationReference.Kind.Extension)
}
}
node.details(DocumentationNode.Kind.Supertype).forEach { detail ->
val descriptor = relations[detail]
if (descriptor != null) {
val typeNode = descriptorToNode[descriptor]
typeNode?.addReferenceTo(node, DocumentationReference.Kind.Inheritor)
}
}
node.details.forEach { detail ->
val descriptor = relations[detail]
if (descriptor != null) {
val typeNode = descriptorToNode[descriptor]
if (typeNode != null) {
detail.addReferenceTo(typeNode, DocumentationReference.Kind.Link)
}
}
}
resolveContentLinks(node, node.doc)
for (child in node.members) {
resolveReferences(child)
}
for (child in node.details) {
resolveReferences(child)
}
}
fun DocumentationContext.resolveContentLinks(node: DocumentationNode, content: ContentNode) {
val snapshot = content.children.toList()
for (child in snapshot) {
if (child is ContentExternalLink) {
val referenceText = child.href
if (Name.isValidIdentifier(referenceText)) {
val scope = getResolutionScope(node)
val symbolName = Name.guess(referenceText)
val symbol = scope.getLocalVariable(symbolName) ?:
scope.getProperties(symbolName).firstOrNull() ?:
scope.getFunctions(symbolName).firstOrNull() ?:
scope.getClassifier(symbolName)
if (symbol != null) {
val targetNode = descriptorToNode[symbol]
val contentLink = if (targetNode != null) ContentNodeLink(targetNode) else ContentExternalLink("#")
val index = content.children.indexOf(child)
content.children.remove(index)
contentLink.children.addAll(child.children)
content.children.add(index, contentLink)
}
}
}
resolveContentLinks(node, child)
}
}
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