Actual-Expected merger

4 files changed, 64 insertions, 23 deletions

diff --git a/core/src/main/kotlin/Model/ElementSignatureProvider.kt b/core/src/main/kotlin/Model/ElementSignatureProvider.kt
deleted file mode 100644
index e8fdde6e..00000000
--- a/core/src/main/kotlin/Model/ElementSignatureProvider.kt
+++ /dev/null
@@ -1,9 +0,0 @@
-package org.jetbrains.dokka
-
-import com.intellij.psi.PsiElement
-import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
-
-interface ElementSignatureProvider {
-    fun signature(forDesc: DeclarationDescriptor): String
-    fun signature(forPsi: PsiElement): String
-}
\ No newline at end of file
diff --git a/core/src/main/kotlin/Model/SourceLinks.kt b/core/src/main/kotlin/Model/SourceLinks.kt
deleted file mode 100644
index 68cdab4a..00000000
--- a/core/src/main/kotlin/Model/SourceLinks.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.jetbrains.dokka
-
-import com.intellij.psi.PsiDocumentManager
-import com.intellij.psi.PsiElement
-import com.intellij.psi.PsiNameIdentifierOwner
-import org.jetbrains.dokka.DokkaConfiguration.SourceLinkDefinition
-import org.jetbrains.kotlin.psi.psiUtil.startOffset
-import java.io.File
-
-fun PsiElement.lineNumber(): Int? {
-    val doc = PsiDocumentManager.getInstance(project).getDocument(containingFile)
-    // IJ uses 0-based line-numbers; external source browsers use 1-based
-    return doc?.getLineNumber(textRange.startOffset)?.plus(1)
-}
\ No newline at end of file
diff --git a/core/src/main/kotlin/Model/transformers/ActualExpectedMerger.kt b/core/src/main/kotlin/Model/transformers/ActualExpectedMerger.kt
new file mode 100644
index 00000000..171b41d0
--- /dev/null
+++ b/core/src/main/kotlin/Model/transformers/ActualExpectedMerger.kt
@@ -0,0 +1,57 @@
+package org.jetbrains.dokka.Model.transformers
+
+import org.jetbrains.dokka.Model.*
+import org.jetbrains.dokka.Model.Function
+
+internal object ActualExpectedMerger : DocumentationNodeTransformer {
+    override fun invoke(original: Module) = Module(
+        original.packages.map { mergePackageContent(it) }
+    )
+}
+
+private fun mergePackageContent(original: Package) = Package(
+    original.dri,
+    merge(original.functions, Function::mergeWith),
+    merge(original.properties, Property::mergeWith),
+    merge(original.classes, Class::mergeWith)
+)
+
+private fun <T: DocumentationNode<*>> merge(elements: List<T>, reducer: (T, T) -> T): List<T> =
+    elements.groupingBy { it.dri }
+        .reduce { _, left, right -> reducer(left, right)}
+        .values.toList()
+
+fun Function.mergeWith(other: Function) = Function(
+    dri,
+    name,
+    if (receiver != null && other.receiver != null) receiver.mergeWith(other.receiver) else null,
+    merge(parameters + other.parameters, Parameter::mergeWith),
+    docTags + other.docTags,
+    descriptors + other.descriptors
+)
+
+fun Property.mergeWith(other: Property) = Property(
+    dri,
+    name,
+    if (receiver != null && other.receiver != null) receiver.mergeWith(other.receiver) else null,
+    docTags + other.docTags,
+    descriptors + other.descriptors
+)
+
+fun Class.mergeWith(other: Class) = Class(
+    dri,
+    name,
+    merge(constructors + other.constructors, Function::mergeWith),
+    merge(functions + other.functions, Function::mergeWith),
+    merge(properties + other.properties, Property::mergeWith),
+    merge(classes + other.classes, Class::mergeWith),
+    docTags + other.docTags,
+    descriptors + other.descriptors
+)
+
+fun Parameter.mergeWith(other: Parameter) = Parameter(
+    dri,
+    name,
+    docTags + other.docTags,
+    descriptors + other.descriptors
+)
diff --git a/core/src/main/kotlin/Model/transformers/DocumentationNodeTransformer.kt b/core/src/main/kotlin/Model/transformers/DocumentationNodeTransformer.kt
new file mode 100644
index 00000000..f94147fb
--- /dev/null
+++ b/core/src/main/kotlin/Model/transformers/DocumentationNodeTransformer.kt
@@ -0,0 +1,7 @@
+package org.jetbrains.dokka.Model.transformers
+
+import org.jetbrains.dokka.Model.Module
+
+interface DocumentationNodeTransformer {
+    operator fun invoke(original: Module): Module
+}
\ No newline at end of file