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package org.jetbrains.dokka
import java.util.ArrayDeque
import org.jetbrains.jet.lang.descriptors.*
import org.jetbrains.jet.lang.resolve.*
import org.jetbrains.jet.lang.resolve.scopes.*
import org.jetbrains.jet.lang.resolve.name.*
import org.intellij.markdown.*
public fun DocumentationBuilder.buildContent(tree: MarkdownNode, descriptor: DeclarationDescriptor): Content {
// println(tree.toTestString())
val nodeStack = ArrayDeque<ContentNode>()
nodeStack.push(Content())
tree.visit {(node, processChildren) ->
val parent = nodeStack.peek()!!
when (node.type) {
MarkdownElementTypes.UNORDERED_LIST -> {
nodeStack.push(ContentList())
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.ORDERED_LIST -> {
nodeStack.push(ContentList()) // TODO: add list kind
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.LIST_ITEM -> {
nodeStack.push(ContentListItem())
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.EMPH -> {
nodeStack.push(ContentEmphasis())
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.STRONG -> {
nodeStack.push(ContentStrong())
processChildren()
parent.append(nodeStack.pop())
}
MarkdownTokenTypes.CODE -> {
nodeStack.push(ContentCode())
processChildren()
parent.append(nodeStack.pop())
}
/*
MarkdownElementTypes.DIRECTIVE -> {
val name = tree.findChildByType(node, MarkdownElementTypes.DIRECTIVE_NAME)?.let { tree.getNodeText(it) } ?: ""
val params = tree.findChildByType(node, MarkdownElementTypes.DIRECTIVE_PARAMS)?.let { tree.getNodeText(it) } ?: ""
when (name) {
"code" -> parent.append(functionBody(descriptor, params))
}
}
*/
MarkdownElementTypes.SECTION -> {
val label = node.child(MarkdownTokenTypes.SECTION_ID)?.let { it.text.trimLeading("$").trim("{","}") } ?: ""
nodeStack.push(ContentSection(label))
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.INLINE_LINK -> {
val label = node.child(MarkdownElementTypes.LINK_TEXT)?.child(MarkdownTokenTypes.TEXT)
val destination = node.child(MarkdownElementTypes.LINK_DESTINATION)
if (label != null) {
if (destination != null) {
val link = ContentExternalLink(destination.text)
link.append(ContentText(label.text))
parent.append(link)
} else {
val link = ContentExternalLink(label.text)
link.append(ContentText(label.text))
parent.append(link)
}
}
}
MarkdownElementTypes.SHORT_REFERENCE_LINK -> {
val label = node.child(MarkdownElementTypes.LINK_LABEL)?.child(MarkdownTokenTypes.TEXT)
if (label != null) {
val link = ContentExternalLink(label.text)
link.append(ContentText(label.text))
parent.append(link)
}
}
MarkdownTokenTypes.WHITE_SPACE,
MarkdownTokenTypes.EOL -> {
if (nodeStack.peek() is ContentParagraph && node.parent?.children?.last() != node) {
nodeStack.push(ContentText(node.text))
processChildren()
parent.append(nodeStack.pop())
}
}
MarkdownTokenTypes.TEXT -> {
nodeStack.push(ContentText(node.text))
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.PARAGRAPH -> {
nodeStack.push(ContentParagraph())
processChildren()
parent.append(nodeStack.pop())
}
else -> {
processChildren()
}
}
}
return nodeStack.pop() as Content
}
fun DocumentationBuilder.functionBody(descriptor: DeclarationDescriptor, functionName: String): ContentNode {
val scope = getResolutionScope(descriptor)
val rootPackage = session.getModuleDescriptor().getPackage(FqName.ROOT)!!
val rootScope = rootPackage.getMemberScope()
val symbol = resolveInScope(functionName, scope) ?: resolveInScope(functionName, rootScope)
if (symbol == null)
return ContentBlockCode().let() { it.append(ContentText("Unresolved: $functionName")); it }
val psiElement = DescriptorToSourceUtils.descriptorToDeclaration(symbol)
if (psiElement == null)
return ContentBlockCode().let() { it.append(ContentText("Source not found: $functionName")); it }
return ContentBlockCode().let() { it.append(ContentText(psiElement.getText())); it }
}
private fun DocumentationBuilder.resolveInScope(functionName: String, scope: JetScope): DeclarationDescriptor? {
var currentScope = scope
val parts = functionName.split('.')
var symbol: DeclarationDescriptor? = null
for (part in parts) {
// short name
val symbolName = Name.guess(part)
val partSymbol = currentScope.getLocalVariable(symbolName) ?:
currentScope.getProperties(symbolName).firstOrNull() ?:
currentScope.getFunctions(symbolName).firstOrNull() ?:
currentScope.getClassifier(symbolName) ?:
currentScope.getPackage(symbolName)
if (partSymbol == null) {
symbol = null
break
}
currentScope = getResolutionScope(partSymbol)
symbol = partSymbol
}
return symbol
}
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