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package org.jetbrains.dokka
import org.jetbrains.markdown.MarkdownElementTypes
import java.util.ArrayDeque
import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor
import org.jetbrains.jet.lang.resolve.name.Name
import org.jetbrains.jet.lang.resolve.DescriptorToSourceUtils
import org.jetbrains.jet.lang.resolve.scopes.JetScope
import org.jetbrains.jet.lang.resolve.name.FqName
public fun DocumentationBuilder.buildContent(tree: MarkdownTree, descriptor: DeclarationDescriptor): Content {
val nodeStack = ArrayDeque<ContentNode>()
nodeStack.push(Content())
tree.visit {(node, text, processChildren) ->
val parent = nodeStack.peek()!!
val nodeType = node.getTokenType()
val nodeText = tree.getNodeText(node)
when (nodeType) {
MarkdownElementTypes.BULLET_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.HORIZONTAL_RULE -> {
}
MarkdownElementTypes.LIST_BLOCK -> {
nodeStack.push(ContentBlock())
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())
}
MarkdownElementTypes.CODE -> {
nodeStack.push(ContentCode())
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.ANONYMOUS_SECTION -> {
nodeStack.push(ContentSection(""))
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.NAMED_SECTION -> {
val label = tree.findChildByType(node, MarkdownElementTypes.SECTION_NAME)?.let { tree.getNodeText(it) } ?: ""
nodeStack.push(ContentSection(label))
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.LINK -> {
val target = tree.findChildByType(node, MarkdownElementTypes.TARGET)?.let { tree.getNodeText(it) } ?: ""
val href = tree.findChildByType(node, MarkdownElementTypes.HREF)?.let { tree.getNodeText(it) }
val link = if (href != null) ContentExternalLink(href) else ContentExternalLink(target)
link.append(ContentText(target))
parent.append(link)
}
MarkdownElementTypes.PLAIN_TEXT -> {
nodeStack.push(ContentText(nodeText))
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.END_LINE -> {
nodeStack.push(ContentText(nodeText))
processChildren()
parent.append(nodeStack.pop())
}
MarkdownElementTypes.BLANK_LINE -> {
processChildren()
}
MarkdownElementTypes.PARA -> {
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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