Files
orx/buildSrc/src/main/kotlin/EmbedShaders.kt
2021-08-31 22:43:39 +02:00

68 lines
2.3 KiB
Kotlin

import org.gradle.api.DefaultTask
import org.gradle.api.file.DirectoryProperty
import org.gradle.api.file.FileType
import org.gradle.api.provider.Property
import org.gradle.api.tasks.*
import org.gradle.work.ChangeType
import org.gradle.work.Incremental
import org.gradle.work.InputChanges
import org.gradle.workers.WorkerExecutor
import javax.inject.Inject
abstract class EmbedShadersTask : DefaultTask() {
@get:Incremental
@get:PathSensitive(PathSensitivity.NAME_ONLY)
@get:InputDirectory
abstract val inputDir: DirectoryProperty
@get:OutputDirectory
abstract val outputDir: DirectoryProperty
@get:Input
abstract val defaultPackage: Property<String>
@get:Input
abstract val defaultVisibility: Property<String>
@get:Input
abstract val namePrefix: Property<String>
@Inject
abstract fun getWorkerExecutor(): WorkerExecutor
init {
defaultVisibility.set("")
namePrefix.set("")
}
@TaskAction
fun execute(inputChanges: InputChanges) {
inputChanges.getFileChanges(inputDir).forEach { change ->
if (change.fileType == FileType.DIRECTORY) return@forEach
val name = "${namePrefix.get()}${change.file.nameWithoutExtension.replace("-", "_")}"
val targetFile = outputDir.file(change.normalizedPath.replace(".", "_") + ".kt").get().asFile
if (change.changeType == ChangeType.REMOVED) {
targetFile.delete()
} else {
val contents = change.file.readText()
val lines = contents.split("\n")
var packageStatement = "package ${defaultPackage.get()}\n"
val visibilityStatement =
if (defaultVisibility.get().isNotBlank()) "${defaultVisibility.get()} " else ""
val r = Regex("#pragma package ([a-z.]+)")
for (line in lines) {
val m = r.find(line.trim())
if (m != null) {
packageStatement = "package ${m.groupValues[1]}\n"
}
}
val text =
"${packageStatement}${visibilityStatement}const val $name = ${"\"\"\""}${contents}${"\"\"\""}"
targetFile.writeText(text)
}
}
}
}