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package org.jetbrains.dokka.pages
import org.intellij.markdown.MarkdownElementTypes
import org.intellij.markdown.MarkdownTokenTypes
import org.jetbrains.dokka.DokkaLogger
import org.jetbrains.dokka.DokkaResolutionFacade
import org.jetbrains.dokka.MarkdownNode
import org.jetbrains.dokka.Model.DocumentationNode
import org.jetbrains.dokka.links.DRI
import org.jetbrains.kotlin.idea.kdoc.resolveKDocLink
class MarkdownToContentConverter(
private val resolutionFacade: DokkaResolutionFacade,
private val logger: DokkaLogger
) {
fun buildContent(
node: MarkdownNode,
dci: DCI,
documentationNode: DocumentationNode<*>
): List<ContentNode> {
// println(tree.toTestString())
fun buildChildren(node: MarkdownNode) = node.children.flatMap {
buildContent(it, dci, documentationNode)
}.coalesceText()
return when (node.type) {
MarkdownElementTypes.ATX_1 -> listOf(ContentHeader(buildChildren(node), 1, dci))
MarkdownElementTypes.ATX_2 -> listOf(ContentHeader(buildChildren(node), 2, dci))
MarkdownElementTypes.ATX_3 -> listOf(ContentHeader(buildChildren(node), 3, dci))
MarkdownElementTypes.ATX_4 -> listOf(ContentHeader(buildChildren(node), 4, dci))
MarkdownElementTypes.ATX_5 -> listOf(ContentHeader(buildChildren(node), 5, dci))
MarkdownElementTypes.ATX_6 -> listOf(ContentHeader(buildChildren(node), 6, dci))
MarkdownElementTypes.UNORDERED_LIST -> listOf(ContentList(buildChildren(node), false, dci))
MarkdownElementTypes.ORDERED_LIST -> listOf(ContentList(buildChildren(node), true, dci))
MarkdownElementTypes.LIST_ITEM -> TODO()
MarkdownElementTypes.EMPH -> listOf(
ContentStyle(
buildChildren(node),
Style.Emphasis,
dci
)
)// TODO
MarkdownElementTypes.STRONG -> listOf(
ContentStyle(
buildChildren(node),
Style.Strong,
dci
)
) // TODO
MarkdownElementTypes.CODE_SPAN -> TODO()
// val startDelimiter = node.child(MarkdownTokenTypes.BACKTICK)?.text
// if (startDelimiter != null) {
// val text = node.text.substring(startDelimiter.length).removeSuffix(startDelimiter)
// val codeSpan = ContentCode().apply { append(ContentText(text)) }
// parent.append(codeSpan)
// }
MarkdownElementTypes.CODE_BLOCK,
MarkdownElementTypes.CODE_FENCE -> {
val language = node.child(MarkdownTokenTypes.FENCE_LANG)?.text?.trim() ?: ""
listOf(ContentCode(buildChildren(node).toString(), language, dci)) // TODO
}
MarkdownElementTypes.PARAGRAPH -> listOf(
ContentStyle(
buildChildren(node),
Style.Paragraph,
dci
)
) // TODO
MarkdownElementTypes.INLINE_LINK -> {
// val linkTextNode = node.child(MarkdownElementTypes.LINK_TEXT)
// val destination = node.child(MarkdownElementTypes.LINK_DESTINATION)
// if (linkTextNode != null) {
// if (destination != null) {
// val link = ContentExternalLink(destination.text)
// renderLinkTextTo(linkTextNode, link, linkResolver)
// parent.append(link)
// } else {
// val link = ContentExternalLink(linkTextNode.getLabelText())
// renderLinkTextTo(linkTextNode, link, linkResolver)
// parent.append(link)
// }
// }
//TODO: Linking!!!
// ContentLink()
TODO()
}
MarkdownElementTypes.SHORT_REFERENCE_LINK,
MarkdownElementTypes.FULL_REFERENCE_LINK -> {
if (documentationNode.descriptors.isNotEmpty()) {
val destinationNode = node.children.find { it.type == MarkdownElementTypes.LINK_DESTINATION }
?: node.children.first { it.type == MarkdownElementTypes.LINK_LABEL }
val destination = destinationNode.children.find { it.type == MarkdownTokenTypes.TEXT }?.text
?: destinationNode.text
documentationNode.descriptors.flatMap {
resolveKDocLink(
resolutionFacade.resolveSession.bindingContext,
resolutionFacade,
it,
null,
destination.split('.')
)
}
.firstOrNull()
?.let { ContentLink(destination, DRI.from(it), dci) }
.let(::listOfNotNull)
} else {
logger.error("Apparently descriptor for $documentationNode was needed in model")
emptyList()
}
}
MarkdownTokenTypes.WHITE_SPACE -> {
// Don't append first space if start of header (it is added during formatting later)
// v
// #### Some Heading
// if (nodeStack.peek() !is ContentHeading || node.parent?.children?.first() != node) {
// parent.append(ContentText(node.text))
// }
listOf(ContentText(" ", dci))
}
MarkdownTokenTypes.EOL -> {
// if ((keepEol(nodeStack.peek()) && node.parent?.children?.last() != node) ||
// // Keep extra blank lines when processing lists (affects Markdown formatting)
// (processingList(nodeStack.peek()) && node.previous?.type == MarkdownTokenTypes.EOL)) {
// parent.append(ContentText(node.text))
// }
emptyList()
}
MarkdownTokenTypes.CODE_LINE -> {
listOf(ContentText(node.text, dci)) // TODO check
// if (parent is ContentBlockCode) {
// parent.append(content)
// } else {
// parent.append(ContentBlockCode().apply { append(content) })
// }
}
MarkdownTokenTypes.TEXT ->
// fun createEntityOrText(text: String): ContentNode {
// if (text == "&" || text == """ || text == "<" || text == ">") {
// return ContentEntity(text)
// }
// if (text == "&") {
// return ContentEntity("&")
// }
// val decodedText = EntityConverter.replaceEntities(text, true, true)
// if (decodedText != text) {
// return ContentEntity(text)
// }
// return ContentText(text)
// }
//
// parent.append(createEntityOrText(node.text))
listOf(ContentText(node.text, dci)) // TODO
MarkdownTokenTypes.EMPH ->
// val parentNodeType = node.parent?.type
// if (parentNodeType != MarkdownElementTypes.EMPH && parentNodeType != MarkdownElementTypes.STRONG) {
// parent.append(ContentText(node.text))
// }
listOf(ContentStyle(buildChildren(node), Style.Emphasis, dci)) // TODO
MarkdownTokenTypes.COLON,
MarkdownTokenTypes.SINGLE_QUOTE,
MarkdownTokenTypes.DOUBLE_QUOTE,
MarkdownTokenTypes.LT,
MarkdownTokenTypes.GT,
MarkdownTokenTypes.LPAREN,
MarkdownTokenTypes.RPAREN,
MarkdownTokenTypes.LBRACKET,
MarkdownTokenTypes.RBRACKET,
MarkdownTokenTypes.EXCLAMATION_MARK,
MarkdownTokenTypes.BACKTICK,
MarkdownTokenTypes.CODE_FENCE_CONTENT -> {
listOf(ContentText(node.text, dci))
}
MarkdownElementTypes.LINK_DEFINITION -> TODO()
MarkdownTokenTypes.EMAIL_AUTOLINK ->
listOf(ContentResolvedLink(node.text, "mailto:${node.text}", dci))
else -> buildChildren(node)
}
}
private fun Collection<ContentNode>.coalesceText() =
this
.sliceWhen { prev, next -> prev::class != next::class }
.flatMap { nodes ->
when (nodes.first()) {
is ContentText -> listOf(
ContentText(
nodes.joinToString("") { (it as ContentText).text },
nodes.first().dci
)
)
else -> nodes
}
}
}
fun <T> Collection<T>.sliceWhen(predicate: (before: T, after: T) -> Boolean): Collection<Collection<T>> {
val newCollection = mutableListOf<Collection<T>>()
var currentSlice = mutableListOf<T>()
for ((prev, next) in this.windowed(2, 1, false)) {
currentSlice.add(prev)
if (predicate(prev, next)) {
newCollection.add(currentSlice)
currentSlice = mutableListOf<T>()
}
}
if (this.isNotEmpty()) {
currentSlice.add(this.last())
newCollection.add(currentSlice)
}
return newCollection
}
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