1 files changed, 54 insertions, 15 deletions
diff --git a/core/src/main/kotlin/links/DRI.kt b/core/src/main/kotlin/links/DRI.kt
index 35eb6497..7ab25444 100644
--- a/core/src/main/kotlin/links/DRI.kt
+++ b/core/src/main/kotlin/links/DRI.kt
@@ -1,22 +1,28 @@
 package org.jetbrains.dokka.links
 
+import org.jetbrains.kotlin.descriptors.CallableDescriptor
+import org.jetbrains.kotlin.types.KotlinType
 import java.text.ParseException
 
 /**
  * [DRI] stands for DokkaResourceIdentifier
  */
-data class DRI(val packageName: String? = null,
-               val classNames: String? = null,
-               val callable: Callable? = null,
-               val target: Int? = null,
-               val extra: String? = null) {
-
-    constructor(packageName: String? = null,
-                classNames: String? = null,
-                callableName: String? = null,
-                signature: String? = null,
-                target: Int? = null,
-                extra: String? = null) : this(packageName, classNames, Callable.from(callableName, signature), target, extra)
+data class DRI(
+    val packageName: String? = null,
+    val classNames: String? = null,
+    val callable: Callable? = null,
+    val target: Int? = null,
+    val extra: String? = null
+) {
+
+    constructor(
+        packageName: String? = null,
+        classNames: String? = null,
+        callableName: String? = null,
+        signature: String? = null,
+        target: Int? = null,
+        extra: String? = null
+    ) : this(packageName, classNames, Callable.from(callableName, signature), target, extra)
 
     override fun toString(): String =
         "${packageName.orEmpty()}/${classNames.orEmpty()}/${callable?.name.orEmpty()}/${callable?.signature().orEmpty()}/${target?.toString().orEmpty()}/${extra.orEmpty()}"
@@ -29,7 +35,11 @@ data class DRI(val packageName: String? = null,
                     DRI(
                         packageName,
                         classNames,
-                        try { Callable.from(callableName, callableSignature) } catch(e: ParseException) { null },
+                        try {
+                            Callable.from(callableName, callableSignature)
+                        } catch (e: ParseException) {
+                            null
+                        },
                         target?.toInt(),
                         ext
                     )
@@ -37,11 +47,25 @@ data class DRI(val packageName: String? = null,
         } catch (e: Throwable) {
             throw ParseException(s, 0)
         }
+
+        val topLevel = DRI()
     }
 }
 
+fun DRI.withClass(name: String) = copy(classNames = classNames.orEmpty() + ".$name")
+
+val DRI.parent: DRI
+    get() = when {
+        extra != null -> copy(extra = null)
+        target != null -> copy(target = null)
+        callable != null -> copy(callable = null)
+        classNames != null -> copy(classNames = classNames.substringBeforeLast('.').takeIf { it.isNotBlank() })
+        else -> DRI.topLevel
+    }
+
 data class Callable(val name: String, val receiver: String, val returnType: String, val params: List<String>) {
-    fun signature() = "$receiver.$returnType.${params.joinToString(".")}"
+    fun signature() = "$receiver#$returnType#${params.joinToString("#")}"
+
     companion object {
         fun from(name: String?, signature: String?): Callable = try {
             signature.toString()
@@ -63,10 +87,25 @@ data class Callable(val name: String, val receiver: String, val returnType: Stri
         } catch (e: Throwable) {
             throw ParseException(s, 0)
         }
+
+        fun from(descriptor: CallableDescriptor) = with(descriptor) {
+            Callable(
+                name.asString(),
+                extensionReceiverParameter?.value?.type?.constructorName.orEmpty(),
+                returnType?.constructorName.orEmpty(),
+                valueParameters.map { it.type.constructorName.orEmpty() }
+            )
+        }
     }
 }
 
-data class ClassReference(val dri: DRI, val subs: MutableList<ClassReference> = mutableListOf())
+data class ClassReference(val dri: DRI, val subs: MutableList<ClassReference> = mutableListOf()) {
+    private val subsText = subs.takeIf { it.isNotEmpty() }?.toString().orEmpty()
+    override fun toString() = "$dri$subsText"
+}
 
 private operator fun <T> List<T>.component6(): T = get(5)
 
+private val KotlinType.constructorName
+    get() = constructor.declarationDescriptor?.name?.asString()
+