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package org.jetbrains.dokka
import org.intellij.markdown.*
import org.intellij.markdown.ast.*
import org.intellij.markdown.parser.*
import org.intellij.markdown.parser.dialects.commonmark.CommonMarkMarkerProcessor
class MarkdownNode(val node: ASTNode, val parent: MarkdownNode?, val markdown: String) {
val children: List<MarkdownNode> = node.children.map { MarkdownNode(it, this, markdown) }
val type: IElementType get() = node.type
val text: String get() = markdown.substring(node.startOffset, node.endOffset)
fun child(type: IElementType): MarkdownNode? = children.firstOrNull { it.type == type }
override fun toString(): String = StringBuilder { presentTo(this) }.toString()
}
fun MarkdownNode.visit(action: (MarkdownNode, () -> Unit) -> Unit) {
action(this) {
for (child in children) {
child.visit(action)
}
}
}
public fun MarkdownNode.toTestString(): String {
val sb = StringBuilder()
var level = 0
visit { node, visitChildren ->
sb.append(" ".repeat(level * 2))
node.presentTo(sb)
level++
visitChildren()
level--
}
return sb.toString()
}
private fun MarkdownNode.presentTo(sb: StringBuilder) {
sb.append(type.toString())
sb.append(":" + text.replace("\n", "\u23CE"))
sb.appendln()
}
fun parseMarkdown(markdown: String): MarkdownNode {
if (markdown.isEmpty())
return MarkdownNode(LeafASTNode(MarkdownElementTypes.MARKDOWN_FILE, 0, 0), null, markdown)
return MarkdownNode(MarkdownParser(CommonMarkMarkerProcessor.Factory).buildMarkdownTreeFromString(markdown), null, markdown)
}
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