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package org.jetbrains.dokka.allModulesPage
import org.jetbrains.dokka.base.templating.Command
import org.jetbrains.dokka.base.templating.ResolveLinkCommand
import org.jetbrains.dokka.plugability.DokkaContext
import org.jetbrains.dokka.plugability.plugin
import org.jetbrains.dokka.plugability.querySingle
import org.jetbrains.dokka.templates.CommandHandler
import org.jsoup.nodes.Attributes
import org.jsoup.nodes.Element
import org.jsoup.parser.Tag
import java.io.File
class ResolveLinkCommandHandler(context: DokkaContext) : CommandHandler {
private val externalModuleLinkResolver =
context.plugin<AllModulesPagePlugin>().querySingle { externalModuleLinkResolver }
override fun handleCommand(element: Element, command: Command, input: File, output: File) {
command as ResolveLinkCommand
val link = externalModuleLinkResolver.resolve(command.dri, output)
if (link == null) {
val children = element.childNodes().toList()
val attributes = Attributes().apply {
put("data-unresolved-link", command.dri.toString())
}
val el = Element(Tag.valueOf("span"), "", attributes).apply {
children.forEach { ch -> appendChild(ch) }
}
element.replaceWith(el)
return
}
val attributes = Attributes().apply {
put("href", link)
}
val children = element.childNodes().toList()
val el = Element(Tag.valueOf("a"), "", attributes).apply {
children.forEach { ch -> appendChild(ch) }
}
element.replaceWith(el)
}
override fun canHandle(command: Command): Boolean = command is ResolveLinkCommand
}
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