KSP gradle plugin single target

Author: programadorthi

ksp/core-annotations/.gitignore

@@ -1 +1 @@
-../../ksp-annotations/build
+build

ksp/core-annotations/gradle.properties

@@ -1,3 +1,3 @@
-POM_NAME=Ksp Processor
-POM_ARTIFACT_ID=ksp-processor
-POM_DESCRIPTION=The KSP routing processor
+POM_NAME=Ksp Core Annotations
+POM_ARTIFACT_ID=ksp-core-annotations
+POM_DESCRIPTION=Core annotations to generate basic behaviors

ksp/core-processor/.gitignore

@@ -1 +1 @@
-../../ksp-processor/build
+build

ksp/core-processor/gradle.properties

@@ -1,3 +1,3 @@
-POM_NAME=Ksp Processor
-POM_ARTIFACT_ID=ksp-processor
-POM_DESCRIPTION=The KSP routing processor
+POM_NAME=Ksp Core Processor
+POM_ARTIFACT_ID=ksp-core-processor
+POM_DESCRIPTION=Ksp core processor to generate basic behaviors

ksp/gradle-plugin/.gitignore

@@ -0,0 +1 @@
+build

ksp/gradle-plugin/build.gradle.kts

@@ -0,0 +1,41 @@
+import com.android.build.gradle.internal.tasks.factory.dependsOn
+
+plugins {
+    kotlin("jvm")
+    id("java-gradle-plugin")
+    id("com.gradle.plugin-publish") version "1.2.1"
+    id("org.jetbrains.kotlinx.kover")
+    alias(libs.plugins.maven.publish)
+}
+
+dependencies {
+    implementation(libs.plugin.kotlin)
+}
+
+gradlePlugin {
+    website.set("https://github.com/programadorthi/kotlin-routing")
+    vcsUrl.set("https://github.com/programadorthi/kotlin-routing")
+
+    plugins {
+        create("kotlin-routing-plugin") {
+            id = "dev.programadorthi.routing"
+            implementationClass = "dev.programadorthi.routing.gradle.KotlinRoutingGradlePlugin"
+            displayName = "Kotlin Routing Gradle Plugin"
+            description = "Gradle Plugin for Kotlin Routing"
+            tags.set(listOf("router", "kotlin", "kotlin-mpp", "ktor", "routing", "navigation"))
+        }
+    }
+}
+
+val versionRegister = tasks.register<Exec>("version-register") {
+    commandLine(
+        "find", "./src",
+        "-type", "f",
+        "-exec",
+        "sed", "-i",
+        "''", """s/<version>/${providers.gradleProperty("version").get()}/g""",
+        "{}", "+"
+    )
+}
+
+tasks.named("processResources").dependsOn(versionRegister)

ksp/gradle-plugin/gradle.properties

@@ -0,0 +1,3 @@
+POM_NAME=Ksp Gradle Plugin
+POM_ARTIFACT_ID=ksp-gradle-plugin
+POM_DESCRIPTION=The KSP Gradle Plugin

ksp/gradle-plugin/src/main/kotlin/dev/programadorthi/routing/gradle/KotlinRoutingGradlePlugin.kt

@@ -0,0 +1,56 @@
+package dev.programadorthi.routing.gradle
+
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
+import org.jetbrains.kotlin.gradle.dsl.KotlinSingleTargetExtension
+import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
+import java.util.Locale
+
+class KotlinRoutingGradlePlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            checkNotNull(plugins.findPlugin("com.google.devtools.ksp")) {
+                "KSP plugin not found. Please, apply ksp plugin before routing plugin"
+            }
+
+            val kex = kotlinExtension
+            if (kex is KotlinSingleTargetExtension<*>) {
+                dependencies.add("implementation", ANNOTATIONS)
+                dependencies.add("ksp", PROCESSOR)
+                return@with
+            }
+
+            if (kex is KotlinMultiplatformExtension) {
+                kex.targets.configureEach { kTarget ->
+                    kTarget.compilations.configureEach { compilation ->
+                        println(">>>> $kTarget -> $compilation")
+                    }
+                    if (kTarget.platformType.name == "common") {
+                        dependencies.add("kspCommonMainMetadata", PROCESSOR)
+                        return@configureEach
+                    }
+                    val capitalizedTargetName =
+                        kTarget.targetName.replaceFirstChar {
+                            if (it.isLowerCase()) {
+                                it.titlecase(Locale.US)
+                            } else {
+                                it.toString()
+                            }
+                        }
+                    dependencies.add("ksp$capitalizedTargetName", PROCESSOR)
+
+                    if (kTarget.compilations.any { it.name == "test" }) {
+                        dependencies.add("ksp${capitalizedTargetName}Test", PROCESSOR)
+                    }
+                }
+            }
+        }
+    }
+
+    private companion object {
+        // Version will be replaced by Gradle Exec Task
+        private const val ANNOTATIONS = "dev.programadorthi.routing:ksp-core-annotations:<version>"
+        private const val PROCESSOR = "dev.programadorthi.routing:ksp-core-processor:<version>"
+    }
+}

samples/ksp-sample/build.gradle.kts

@@ -1,11 +1,17 @@
 plugins {
-    alias(libs.plugins.ksp)
     kotlin("jvm")
+    alias(libs.plugins.ksp)
+    //id("dev.programadorthi.routing") version "0.0.99"
 }
 
 dependencies {
     implementation(projects.core)
-    implementation(projects.ksp.coreAnnotations)
-    implementation(projects.ksp.coreProcessor)
-    ksp(projects.ksp.coreProcessor)
+}
+
+configurations.all {
+    resolutionStrategy.dependencySubstitution {
+        substitute(module("dev.programadorthi.routing:core"))
+            .using(project(":core"))
+            .because("KSP gradle plugin have maven central dependencies")
+    }
 }

settings.gradle.kts

@@ -27,6 +27,7 @@ include(":events")
 include(":events-resources")
 include(":ksp:core-annotations")
 include(":ksp:core-processor")
+include(":ksp:gradle-plugin")
 include(":resources")
 include(":sessions")
 include(":status-pages")