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92 changes: 92 additions & 0 deletions buildSrc/src/main/kotlin/aws/sdk/kotlin/dokka/TrimNavigation.kt
Original file line number Diff line number Diff line change
@@ -0,0 +1,92 @@
/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/

package aws.sdk.kotlin.dokka

import org.gradle.api.DefaultTask
import org.gradle.api.file.DirectoryProperty
import org.gradle.api.logging.Logging
import org.gradle.api.tasks.InputDirectory
import org.gradle.api.tasks.TaskAction
import org.gradle.workers.WorkAction
import org.gradle.workers.WorkParameters
import org.gradle.workers.WorkerExecutor
import org.jsoup.Jsoup
import java.io.File
import javax.inject.Inject
import kotlin.io.walk

abstract class TrimNavigation @Inject constructor(private val workerExecutor: WorkerExecutor) : DefaultTask() {
@get:InputDirectory
abstract val sourceDirectory: DirectoryProperty

init {
description = "Trims navigation.html files to remove unrelated projects' side menus"
group = "documentation"
}

@TaskAction
fun trimNavigation() {
val queue = workerExecutor.noIsolation()
val sourceDirectory = this.sourceDirectory.getAsFile().get()

logger.info("Searching for navigation.html files in $sourceDirectory")
sourceDirectory
.walk()
.filter { it.name == "navigation.html" && it.parentFile != sourceDirectory }
.forEach { file ->
queue.submit(TrimModule::class.java) {
navigationFile = file
projectRoot = project.layout.projectDirectory.asFile
}
}
}
}

interface TrimModuleParameters : WorkParameters {
var navigationFile: File
var projectRoot: File
}

abstract class TrimModule : WorkAction<TrimModuleParameters> {
override fun execute() {
val navigation = parameters.navigationFile
val moduleName = navigation.parentFile.name

val relativePath = navigation.toRelativeString(parameters.projectRoot)
val logger = Logging.getLogger(TrimNavigation::class.java)
logger.info("Trimming $relativePath...")

val doc = Jsoup.parse(navigation)

// Remove all parent directory elements from all navigation links
doc.select("a[href^=../]").forEach { anchor ->
var href = anchor.attr("href")

while (href.startsWith("../")) {
href = href.removePrefix("../")
}

anchor.attr("href", href)
}

// Trim side menus
doc.select("div.sideMenu > div.toc--part")
.filterNot { it.id().startsWith("$moduleName-nav-submenu") }
.forEach { moduleMenu ->
val moduleRow = moduleMenu.select("div.toc--row").first()!!
val toggleButton = moduleRow.select("button.toc--button").single()
toggleButton.remove()

moduleMenu.children()
.filterNot { it == moduleRow }
.forEach { it.remove() }
}

// Update navigation.html
val trimmedSideMenuParts = doc.select("div.sideMenu > div.toc--part")
navigation.writeText("<div class=\"sideMenu\">\n$trimmedSideMenuParts\n</div>")
Comment on lines +62 to +90
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Note for reviewers: This section is copied directly from the old task impl. No non-refactoring changes made.

}
}
62 changes: 4 additions & 58 deletions buildSrc/src/main/kotlin/dokka-convention.gradle.kts
Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,7 @@
* SPDX-License-Identifier: Apache-2.0
*/

import org.jsoup.Jsoup
import kotlin.io.path.ExperimentalPathApi
import kotlin.io.path.PathWalkOption
import kotlin.io.path.exists
import kotlin.io.path.isDirectory
import kotlin.io.path.name
import kotlin.io.path.walk
import aws.sdk.kotlin.dokka.TrimNavigation

plugins {
id("org.jetbrains.dokka")
Expand Down Expand Up @@ -80,58 +74,10 @@ dependencies {
dokkaPlugin(project(":dokka-aws"))
}

tasks.register("trimNavigationFiles") {
description = "Trims navigation.html files to remove unrelated projects' side menus"
group = "documentation"

doLast {
val dokkaOutputDir = layout.buildDirectory.get().dir("dokka/html").asFile.toPath()

if (!dokkaOutputDir.exists()) {
logger.info("Dokka output directory not found at ${dokkaOutputDir.toAbsolutePath()}, skipping navigation trimming")
return@doLast
}

@OptIn(ExperimentalPathApi::class)
dokkaOutputDir.walk(PathWalkOption.INCLUDE_DIRECTORIES)
.filter { it.isDirectory() && it.resolve("navigation.html").exists() }
.forEach { moduleDir ->
val moduleName = moduleDir.name

val navigation = moduleDir.resolve("navigation.html").toFile()
val doc = Jsoup.parse(navigation)

// Remove all parent directory elements from all navigation links
doc.select("a[href^=../]").forEach { anchor ->
var href = anchor.attr("href")

while (href.startsWith("../")) {
href = href.removePrefix("../")
}

anchor.attr("href", href)
}

// Trim side menus
doc.select("div.sideMenu > div.toc--part")
.filterNot { it.id().startsWith("$moduleName-nav-submenu") }
.forEach { moduleMenu ->
val moduleRow = moduleMenu.select("div.toc--row").first()!!
val toggleButton = moduleRow.select("button.toc--button").single()
toggleButton.remove()

moduleMenu.children()
.filterNot { it == moduleRow }
.forEach { it.remove() }
}

// Update navigation.html
val trimmedSideMenuParts = doc.select("div.sideMenu > div.toc--part")
navigation.writeText("<div class=\"sideMenu\">\n$trimmedSideMenuParts\n</div>")
}
}
val trimNavigationTask = tasks.register<TrimNavigation>("trimNavigationFiles") {
sourceDirectory.set(layout.buildDirectory.get().dir("dokka/html"))
}

tasks.dokkaGenerate {
finalizedBy("trimNavigationFiles")
finalizedBy(trimNavigationTask)
}
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