6 files changed, 72 insertions, 5 deletions
diff --git a/core/src/main/kotlin/Kotlin/ContentBuilder.kt b/core/src/main/kotlin/Kotlin/ContentBuilder.kt
index a244a48e..b7b7a044 100644
--- a/core/src/main/kotlin/Kotlin/ContentBuilder.kt
+++ b/core/src/main/kotlin/Kotlin/ContentBuilder.kt
@@ -3,6 +3,7 @@ package org.jetbrains.dokka
 import org.intellij.markdown.MarkdownElementTypes
 import org.intellij.markdown.MarkdownTokenTypes
 import org.intellij.markdown.html.entities.EntityConverter
+import org.intellij.markdown.parser.LinkMap
 import java.util.*
 
 fun buildContent(tree: MarkdownNode, linkResolver: (String) -> ContentBlock, inline: Boolean = false): MutableContent {
@@ -21,6 +22,8 @@ fun buildContentTo(tree: MarkdownNode, target: ContentBlock, linkResolver: (Stri
     val nodeStack = ArrayDeque<ContentBlock>()
     nodeStack.push(target)
 
+    val linkMap = LinkMap.buildLinkMap(tree.node, tree.text)
+
     tree.visit {node, processChildren ->
         val parent = nodeStack.peek()
 
@@ -74,14 +77,15 @@ fun buildContentTo(tree: MarkdownNode, target: ContentBlock, linkResolver: (Stri
             }
             MarkdownElementTypes.SHORT_REFERENCE_LINK,
             MarkdownElementTypes.FULL_REFERENCE_LINK -> {
-                val labelText = node.child(MarkdownElementTypes.LINK_LABEL)?.getLabelText()
-                if (labelText != null) {
-                    val link = linkResolver(labelText)
+                val labelElement = node.child(MarkdownElementTypes.LINK_LABEL)
+                if (labelElement != null) {
+                    val linkInfo = linkMap.getLinkInfo(labelElement.text)
+                    val labelText = labelElement.getLabelText()
+                    val link = linkInfo?.let { linkResolver(it.destination.toString()) } ?: linkResolver(labelText)
                     val linkText = node.child(MarkdownElementTypes.LINK_TEXT)
                     if (linkText != null) {
                         renderLinkTextTo(linkText, link, linkResolver)
-                    }
-                    else {
+                    } else {
                         link.append(ContentText(labelText))
                     }
                     parent.append(link)
@@ -148,6 +152,10 @@ fun buildContentTo(tree: MarkdownNode, target: ContentBlock, linkResolver: (Stri
             MarkdownTokenTypes.CODE_FENCE_CONTENT -> {
                 parent.append(ContentText(node.text))
             }
+
+            MarkdownElementTypes.LINK_DEFINITION -> {
+            }
+
             else -> {
                 processChildren()
             }
diff --git a/core/src/test/kotlin/format/MarkdownFormatTest.kt b/core/src/test/kotlin/format/MarkdownFormatTest.kt
index e3f4bae7..48b06d6e 100644
--- a/core/src/test/kotlin/format/MarkdownFormatTest.kt
+++ b/core/src/test/kotlin/format/MarkdownFormatTest.kt
@@ -364,6 +364,14 @@ class MarkdownFormatTest {
         verifyMarkdownNode("nestedLists")
     }
 
+    @Test fun referenceLink() {
+        verifyMarkdownNode("referenceLink")
+    }
+
+    @Test fun externalReferenceLink() {
+        verifyMarkdownNode("externalReferenceLink")
+    }
+
     @Test fun newlineInTableCell() {
         verifyMarkdownPackage("newlineInTableCell")
     }
diff --git a/core/testdata/format/externalReferenceLink.kt b/core/testdata/format/externalReferenceLink.kt
new file mode 100644
index 00000000..4ca0ee21
--- /dev/null
+++ b/core/testdata/format/externalReferenceLink.kt
@@ -0,0 +1,10 @@
+/**
+ * It is link to [example site][example.com]
+ *
+ * Sure, it is [example.com]
+ *
+ * [example.com]: http://example.com
+ */
+fun a() {
+
+}
+\ No newline at end of file
diff --git a/core/testdata/format/externalReferenceLink.md b/core/testdata/format/externalReferenceLink.md
new file mode 100644
index 00000000..29d64afe
--- /dev/null
+++ b/core/testdata/format/externalReferenceLink.md
@@ -0,0 +1,10 @@
+[test](test/index) / [a](test/a)
+
+# a
+
+`fun a(): Unit`
+
+It is link to [example site](http://example.com)
+
+Sure, it is [example.com](http://example.com)
+
diff --git a/core/testdata/format/referenceLink.kt b/core/testdata/format/referenceLink.kt
new file mode 100644
index 00000000..c6550f04
--- /dev/null
+++ b/core/testdata/format/referenceLink.kt
@@ -0,0 +1,16 @@
+package example
+
+/**
+ * It is link to [example other func][example]
+ *
+ * Sure, it is [example]
+ *
+ * [example]: example.someOtherFunc
+ */
+fun a() {
+
+}
+
+fun someOtherFunc() {
+
+}
+\ No newline at end of file
diff --git a/core/testdata/format/referenceLink.md b/core/testdata/format/referenceLink.md
new file mode 100644
index 00000000..b3d89e0d
--- /dev/null
+++ b/core/testdata/format/referenceLink.md
@@ -0,0 +1,15 @@
+[test](test/index) / [example](test/example/index) / [a](test/example/a)
+
+# a
+
+`fun a(): Unit`
+
+It is link to [example other func](test/example/some-other-func)
+
+Sure, it is [example](test/example/some-other-func)
+
+[test](test/index) / [example](test/example/index) / [someOtherFunc](test/example/some-other-func)
+
+# someOtherFunc
+
+`fun someOtherFunc(): Unit`
+\ No newline at end of file