write hakurei config representation

src/main/kotlin/moe/rosa/planterette/Main.kt

@@ -1,5 +1,2 @@
 package moe.rosa.planterette
 
-fun main() {
-
-}

src/main/kotlin/moe/rosa/planterette/hakurei/Filesystem.kt

@@ -0,0 +1,62 @@
+package moe.rosa.planterette.hakurei
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class AbsolutePath(private val path: String) {
+    override fun toString(): String {
+        return path
+    }
+}
+
+interface FSType {
+    val type: String
+}
+data class ApplyState(val autoEtcPrefix: String)
+
+@Serializable
+data class FSBind(
+    val target: AbsolutePath,
+    val source: AbsolutePath,
+    val write: Boolean,
+    val device: Boolean,
+    val ensure: Boolean,
+    val optional: Boolean,
+    val special: Boolean,
+
+    override val type: String = "bind",
+) : FSType
+
+@Serializable
+data class FSEphemeral(
+    val target: AbsolutePath,
+    val write: Boolean,
+    val size: Int,
+    val perm: Int,
+
+    override val type: String = "ephemeral"
+) : FSType
+
+@Serializable
+data class FSLink(
+    val target: AbsolutePath,
+    val linkname: String,
+    val dereference: Boolean,
+
+    override val type: String = "link"
+) : FSType
+
+@Serializable
+data class FSOverlay(
+    val target: AbsolutePath,
+    val lower: List<AbsolutePath>,
+    val upper: AbsolutePath,
+    val work: AbsolutePath,
+
+    override val type: String = "overlay"
+) : FSType
+
+@Serializable
+data class FilesystemConfig(
+    val config: FSType
+)

src/main/kotlin/moe/rosa/planterette/hakurei/Hakurei.kt

@@ -0,0 +1,93 @@
+package moe.rosa.planterette.hakurei
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class HakureiConfig(
+    val id: String,
+    val path: AbsolutePath,
+    val args: List<String>,
+    val enablements: Enablements,
+    val sessionBus: DBusConfig,
+    val systemBus: DBusConfig,
+    val directWayland: Boolean,
+    val username: String,
+    val shell: AbsolutePath,
+    val home: AbsolutePath,
+
+    val extraPerms: ExtraPermsConfig,
+    val identity: Int,
+    val groups: List<String>,
+
+    val container: ContainerConfig,
+)
+
+@Serializable
+data class DBusConfig(
+    val see: List<String>,
+    val talk: List<String>,
+    val own: List<String>,
+    val call: Map<String, String>,
+    val broadcast: Map<String, String>,
+    val log: Boolean,
+    val filter: Boolean,
+)
+
+@Serializable
+data class Enablements(
+    val wayland: Boolean,
+    val x11: Boolean,
+    val dbus: Boolean,
+    val pulse: Boolean,
+)
+
+@Serializable
+data class ContainerConfig(
+    val hostname: String,
+    val waitDelay: Long,
+    val seccompFlags: Int,
+    val seccompPresets: Int,
+    val seccompCompat: Boolean,
+    val devel: Boolean,
+    val userns: Boolean,
+    val hostNet: Boolean,
+    val hostAbstract: Boolean,
+    val tty: Boolean,
+    val multiarch: Boolean,
+
+    val env: Map<String, String>,
+
+    val mapRealUid: Boolean,
+    val device: Boolean,
+
+    val filesystem: List<FilesystemConfig>,
+)
+@Serializable
+data class ExtraPermsConfig(
+    val ensure: Boolean,
+    val path: AbsolutePath,
+    val read: Boolean,
+    val write: Boolean,
+    val execute: Boolean,
+) {
+    override fun toString(): String {
+        val buffer = StringBuffer(5 + path.toString().length)
+        buffer.append("---")
+        if(ensure) {
+            buffer.append("+")
+        }
+        buffer.append(":")
+        buffer.append(path.toString())
+        if(read) {
+            buffer.setCharAt(0, 'r')
+        }
+        if(write) {
+            buffer.setCharAt(1, 'w')
+        }
+        if(execute) {
+            buffer.setCharAt(2, 'x')
+        }
+        return buffer.toString()
+    }
+}
+