基于kotlinx-io改善Resource相关API

buildSrc/src/main/kotlin/P.kt

@@ -47,8 +47,8 @@ fun isSnapshot(): Boolean = _isSnapshot
 @Suppress("MemberVisibilityCanBePrivate")
 sealed class P(override val group: String) : ProjectDetail() {
     companion object {
-        const val VERSION = "4.9.0"
-        const val NEXT_VERSION = "4.9.1"
+        const val VERSION = "4.10.0"
+        const val NEXT_VERSION = "4.10.0"
         const val SNAPSHOT_VERSION = "$VERSION-SNAPSHOT"
         const val NEXT_SNAPSHOT_VERSION = "$NEXT_VERSION-SNAPSHOT"
 

simbot-api/api/simbot-api.api

@@ -2195,11 +2195,15 @@ public abstract interface class love/forte/simbot/message/OfflineImage : love/fo
 	public static final field Companion Llove/forte/simbot/message/OfflineImage$Companion;
 	public abstract fun data ()[B
 	public static fun ofBytes ([B)Llove/forte/simbot/message/OfflineImage;
+	public static fun ofFilePath (Ljava/lang/String;)Llove/forte/simbot/message/OfflineImage;
+	public static fun ofFilePath (Ljava/lang/String;[Ljava/lang/String;)Llove/forte/simbot/message/OfflineImage;
 	public static fun ofResource (Llove/forte/simbot/resource/Resource;)Llove/forte/simbot/message/OfflineImage;
 }
 
 public final class love/forte/simbot/message/OfflineImage$Companion {
 	public final fun ofBytes ([B)Llove/forte/simbot/message/OfflineImage;
+	public final fun ofFilePath (Ljava/lang/String;)Llove/forte/simbot/message/OfflineImage;
+	public final fun ofFilePath (Ljava/lang/String;[Ljava/lang/String;)Llove/forte/simbot/message/OfflineImage;
 	public final fun ofResource (Llove/forte/simbot/resource/Resource;)Llove/forte/simbot/message/OfflineImage;
 }
 
@@ -2528,14 +2532,15 @@ public abstract class love/forte/simbot/resource/AbstractJvmResourceValueResolve
 	public final fun resolveURI (Llove/forte/simbot/resource/URIResource;Ljava/lang/Object;)V
 }
 
-public abstract interface class love/forte/simbot/resource/ByteArrayResource : love/forte/simbot/resource/Resource {
+public abstract interface class love/forte/simbot/resource/ByteArrayResource : love/forte/simbot/resource/Resource, love/forte/simbot/resource/SourceResource {
 	public abstract fun data ()[B
+	public fun source ()Lkotlinx/io/Source;
 }
 
 public abstract interface annotation class love/forte/simbot/resource/ExperimentalIOResourceAPI : java/lang/annotation/Annotation {
 }
 
-public abstract interface class love/forte/simbot/resource/FileResource : love/forte/simbot/resource/InputStreamResource, love/forte/simbot/resource/ReaderResource {
+public abstract interface class love/forte/simbot/resource/FileResource : love/forte/simbot/resource/InputStreamResource, love/forte/simbot/resource/JvmSourceResource, love/forte/simbot/resource/ReaderResource {
 	public fun data ()[B
 	public abstract fun getFile ()Ljava/io/File;
 	public fun inputStream ()Ljava/io/InputStream;
@@ -2545,9 +2550,8 @@ public abstract interface class love/forte/simbot/resource/FileResource : love/f
 	public abstract fun string (Ljava/nio/charset/Charset;)Ljava/lang/String;
 }
 
-public abstract interface class love/forte/simbot/resource/InputStreamResource : love/forte/simbot/resource/Resource {
-	public fun data ()[B
-	public abstract fun inputStream ()Ljava/io/InputStream;
+public abstract interface class love/forte/simbot/resource/InputStreamResource : love/forte/simbot/resource/SourceResource {
+	public fun inputStream ()Ljava/io/InputStream;
 }
 
 public abstract interface class love/forte/simbot/resource/JvmResourceResolver : love/forte/simbot/resource/ResourceResolver {
@@ -2572,6 +2576,9 @@ public abstract interface class love/forte/simbot/resource/JvmResourceValueResol
 	public abstract fun resolveURINotFileScheme (Ljava/net/URI;Ljava/lang/Object;)V
 }
 
+public abstract interface class love/forte/simbot/resource/JvmSourceResource : love/forte/simbot/resource/SourceResource {
+}
+
 public abstract interface class love/forte/simbot/resource/JvmStringReadableResource : love/forte/simbot/resource/StringReadableResource {
 	public static final field Companion Llove/forte/simbot/resource/JvmStringReadableResource$Companion;
 	public static final field DEFAULT_CHARSET Ljava/nio/charset/Charset;
@@ -2582,7 +2589,7 @@ public abstract interface class love/forte/simbot/resource/JvmStringReadableReso
 public final class love/forte/simbot/resource/JvmStringReadableResource$Companion {
 }
 
-public abstract interface class love/forte/simbot/resource/PathResource : love/forte/simbot/resource/InputStreamResource, love/forte/simbot/resource/ReaderResource {
+public abstract interface class love/forte/simbot/resource/PathResource : love/forte/simbot/resource/InputStreamResource, love/forte/simbot/resource/JvmSourceResource, love/forte/simbot/resource/ReaderResource {
 	public fun data ()[B
 	public abstract fun getPath ()Ljava/nio/file/Path;
 	public abstract fun inputStream ()Ljava/io/InputStream;
@@ -2622,6 +2629,7 @@ public final class love/forte/simbot/resource/ResourceResolver$Companion {
 }
 
 public final class love/forte/simbot/resource/Resources {
+	public static final fun inputStream (Llove/forte/simbot/resource/SourceResource;)Ljava/io/InputStream;
 	public static final fun valueOf (Ljava/io/File;)Llove/forte/simbot/resource/FileResource;
 	public static final fun valueOf (Ljava/io/File;Ljava/nio/charset/Charset;)Llove/forte/simbot/resource/FileResource;
 	public static final fun valueOf (Ljava/lang/String;)Llove/forte/simbot/resource/StringResource;
@@ -2631,22 +2639,37 @@ public final class love/forte/simbot/resource/Resources {
 	public static final fun valueOf (Ljava/net/URL;Ljava/nio/charset/Charset;)Llove/forte/simbot/resource/URIResource;
 	public static final fun valueOf (Ljava/nio/file/Path;Ljava/nio/charset/Charset;[Ljava/nio/file/OpenOption;)Llove/forte/simbot/resource/PathResource;
 	public static final fun valueOf (Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Llove/forte/simbot/resource/PathResource;
+	public static final fun valueOf (Lkotlinx/io/files/Path;)Llove/forte/simbot/resource/SourceResource;
 	public static final fun valueOf ([B)Llove/forte/simbot/resource/ByteArrayResource;
 	public static synthetic fun valueOf$default (Ljava/io/File;Ljava/nio/charset/Charset;ILjava/lang/Object;)Llove/forte/simbot/resource/FileResource;
 	public static synthetic fun valueOf$default (Ljava/net/URI;Ljava/nio/charset/Charset;ILjava/lang/Object;)Llove/forte/simbot/resource/URIResource;
 	public static synthetic fun valueOf$default (Ljava/net/URL;Ljava/nio/charset/Charset;ILjava/lang/Object;)Llove/forte/simbot/resource/URIResource;
 	public static synthetic fun valueOf$default (Ljava/nio/file/Path;Ljava/nio/charset/Charset;[Ljava/nio/file/OpenOption;ILjava/lang/Object;)Llove/forte/simbot/resource/PathResource;
+	public static final fun valueOfInputStreamProvider (Lkotlin/jvm/functions/Function0;)Llove/forte/simbot/resource/SourceResource;
+	public static final fun valueOfPath (Ljava/lang/String;)Llove/forte/simbot/resource/SourceResource;
+	public static final fun valueOfPath (Ljava/lang/String;[Ljava/lang/String;)Llove/forte/simbot/resource/SourceResource;
+	public static final fun valueOfSourceProvider (Lkotlin/jvm/functions/Function0;)Llove/forte/simbot/resource/SourceResource;
 }
 
-public abstract interface class love/forte/simbot/resource/StringReadableResource : love/forte/simbot/resource/Resource {
+public abstract interface annotation class love/forte/simbot/resource/ScheduledDeprecatedResourceApi : java/lang/annotation/Annotation {
+}
+
+public abstract interface class love/forte/simbot/resource/SourceResource : love/forte/simbot/resource/Resource {
+	public fun data ()[B
+	public abstract fun source ()Lkotlinx/io/Source;
+}
+
+public abstract interface class love/forte/simbot/resource/StringReadableResource : love/forte/simbot/resource/SourceResource {
+	public fun data ()[B
+	public fun source ()Lkotlinx/io/Source;
 	public abstract fun string ()Ljava/lang/String;
 }
 
 public abstract interface class love/forte/simbot/resource/StringResource : love/forte/simbot/resource/StringReadableResource {
 	public abstract fun string ()Ljava/lang/String;
 }
 
-public abstract interface class love/forte/simbot/resource/URIResource : love/forte/simbot/resource/InputStreamResource, love/forte/simbot/resource/JvmStringReadableResource {
+public abstract interface class love/forte/simbot/resource/URIResource : love/forte/simbot/resource/InputStreamResource, love/forte/simbot/resource/JvmSourceResource, love/forte/simbot/resource/JvmStringReadableResource {
 	public abstract fun getUri ()Ljava/net/URI;
 	public abstract fun inputStream ()Ljava/io/InputStream;
 	public fun string ()Ljava/lang/String;

simbot-api/src/commonMain/kotlin/love/forte/simbot/message/OfflineImageResolver.kt

@@ -23,11 +23,8 @@
 
 package love.forte.simbot.message
 
-import love.forte.simbot.resource.ByteArrayResource
-import love.forte.simbot.resource.Resource
-import love.forte.simbot.resource.ResourceResolver
+import love.forte.simbot.resource.*
 import love.forte.simbot.resource.ResourceResolver.Companion.resolve
-import love.forte.simbot.resource.StringResource
 import kotlin.jvm.JvmStatic
 
 
@@ -76,6 +73,7 @@ public interface OfflineImageResolver<C> {
  * 继承 [OfflineImageResolver] 和 [ResourceResolver]，
  * 对其中可能出现的实际内容物（例如 [ByteArray] 或 [String]）进行处理。
  */
+@ScheduledDeprecatedResourceApi
 public interface OfflineImageValueResolver<C> :
     OfflineImageResolver<C>,
     ResourceResolver<C> {

simbot-api/src/commonMain/kotlin/love/forte/simbot/message/StandardMessages.kt

@@ -30,9 +30,14 @@ import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import love.forte.simbot.common.id.ID
 import love.forte.simbot.common.id.IDContainer
+import love.forte.simbot.message.At.Companion.equals
+import love.forte.simbot.message.At.Companion.hashCode
 import love.forte.simbot.message.OfflineImage.Companion.toOfflineImage
 import love.forte.simbot.message.Text.Companion.of
-import love.forte.simbot.resource.*
+import love.forte.simbot.resource.ByteArrayResource
+import love.forte.simbot.resource.Resource
+import love.forte.simbot.resource.ResourceBase64Serializer
+import love.forte.simbot.resource.fileResource
 import kotlin.io.encoding.ExperimentalEncodingApi
 import kotlin.js.JsName
 import kotlin.jvm.*
@@ -297,12 +302,16 @@ public interface UrlAwareImage : Image, UrlAwareMessage {
  *
  * “离线”主要表示此图片并未上传到某个目标平台中，也没有与某个远程服务器互相对应的唯一标识。
  *
- * @see OfflineImage.toOfflineImage
+ * 离线图片消息由本地构建，不会来自远端服务器或事件内。
+ * 离线图片消息无法保证可序列化性，尽可能避免对其进行序列化（包括作为 [Messages] 的元素时）。
+ *
+ * @see ByteArray.toOfflineImage
+ * @see Resource.toOfflineImage
  *
  * @see OfflineByteArrayImage
- * @see SimpleOfflineResourceImage
+ * @see OfflineResourceImage
  */
-public interface OfflineImage : Image {
+public sealed interface OfflineImage : Image {
     /**
      * 得到图片的二进制数据
      */
@@ -348,7 +357,6 @@ public interface OfflineImage : Image {
          */
         @JvmStatic
         @JvmName("ofFilePath")
-        @ExperimentalIOResourceAPI
         public fun fileOfflineImage(filePath: String): OfflineImage =
             fileResource(filePath).toOfflineResourceImage()
 
@@ -363,7 +371,6 @@ public interface OfflineImage : Image {
          * @since 4.7.0
          */
         @JvmStatic
-        @ExperimentalIOResourceAPI
         @JvmName("ofFilePath")
         public fun fileOfflineImage(base: String, vararg parts: String): OfflineImage =
             fileResource(base, *parts).toOfflineResourceImage()

simbot-api/src/commonMain/kotlin/love/forte/simbot/resource/Resource.kt

@@ -26,6 +26,8 @@
 
 package love.forte.simbot.resource
 
+import kotlinx.io.Buffer
+import kotlinx.io.Source
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.descriptors.PrimitiveKind
 import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
@@ -46,6 +48,17 @@ import kotlin.jvm.JvmName
  * JVM 中的部分扩展、辅助API通过静态类 `Resources` 提供，
  * 例如 `Resources.valueOf(...)`。
  *
+ * ## 有限范围
+ *
+ * 从 `v4.10.0` 开始，[Resource] 接口转为 `sealed` 并有两个明确的子类型分支：
+ * - [ByteArrayResource]
+ * - [SourceResource]
+ *
+ * [ByteArrayResource] 代表一个可以**直接**使用 [ByteArray] 进行表示的资源，它也同样可以表示为 [SourceResource]。
+ *
+ * 其中，[SourceResource] 借助 `kotlinx-io` 库所提供的能力统一多平台的IO相关API（例如文件系统相关）。
+ * 如果你想要基于文件系统或其他与IO相关的内容构建一个 [Resource]，则参考 [SourceResource]。
+ *
  * ## 序列化
  *
  * [Resource] 提供了一个基于 [Base64] 进行序列化操作的 [ResourceBase64Serializer]。
@@ -59,9 +72,7 @@ import kotlin.jvm.JvmName
  *
  * @author ForteScarlet
  */
-public interface Resource {
-    // TODO become `sealed` for ByteArrayResource and SourceResource.
-
+public sealed interface Resource {
     /**
      * 读取此资源的字节数据。
      *
@@ -83,11 +94,15 @@ public fun ByteArray.toResource(): ByteArrayResource = ByteArrayResourceImpl(thi
  *
  * @author forte
  */
-public interface ByteArrayResource : Resource {
+public interface ByteArrayResource : Resource, SourceResource {
     /**
      * 获取到字节数组结果。
      */
     override fun data(): ByteArray
+
+    override fun source(): Source {
+        return Buffer().apply { write(data()) }
+    }
 }
 
 /**
@@ -147,12 +162,18 @@ private data class ByteArrayResourceImpl(private val raw: ByteArray) : ByteArray
  * 一个可以读取到 [String] 内容物的拓展类型。
  * 是其他 [Resource] 类型的附加能力，但不属于一个标准的 [Resource] 类型。
  */
-public interface StringReadableResource : Resource {
+public interface StringReadableResource : SourceResource {
     /**
      * 读取此资源的 [String] 内容。
      */
     @Throws(Exception::class)
     public fun string(): String
+
+    override fun data(): ByteArray = string().encodeToByteArray()
+
+    override fun source(): Source {
+        return Buffer().apply { write(data()) }
+    }
 }
 
 /**

simbot-api/src/commonMain/kotlin/love/forte/simbot/resource/ResourceResolver.kt

@@ -23,8 +23,23 @@
 
 package love.forte.simbot.resource
 
+import kotlin.annotation.AnnotationRetention.BINARY
+import kotlin.annotation.AnnotationTarget.CLASS
+import kotlin.annotation.AnnotationTarget.FUNCTION
 import kotlin.jvm.JvmStatic
 
+/**
+ * 计划被废弃的与 [Resource] 相关的API
+ */
+@RequiresOptIn(
+    message = "计划被废弃的与 `Resource` 相关的API. 详见 " +
+        "`love.forte.simbot.resource.ResourceResolver` 和 " +
+        "`love.forte.simbot.resource.Resource` 中的有关说明。"
+)
+@Retention(BINARY)
+@Target(CLASS, FUNCTION)
+@MustBeDocumented
+public annotation class ScheduledDeprecatedResourceApi
 
 /**
  * 使用 [ResourceResolver] 分析处理一个 [Resource].
@@ -33,8 +48,14 @@ import kotlin.jvm.JvmStatic
  *
  * 在 JVM 平台会提供一个具有更多能力的类型。
  *
+ * Note: 由于[Resource]现在已经通过 `sealed` 限制了子类型范围,
+ * 因此可以直接使用 [ByteArrayResource] 或 [SourceResource]。
+ * 得益于 `kotlinx-io`，明确 resolve 多平台（尤其是JVM平台）下的独特类型的情况已经不多了。
+ * [ResourceResolver] 可能会在未来废弃, 且现在开始不再建议使用。
+ *
  * @author ForteScarlet
  */
+@ScheduledDeprecatedResourceApi
 public interface ResourceResolver<C> {
     /**
      * 处理一个未知的 [Resource] 类型的 resource.

simbot-api/src/commonMain/kotlin/love/forte/simbot/resource/IOResources.kt → simbot-api/src/commonMain/kotlin/love/forte/simbot/resource/SourceResource.kt

@@ -78,7 +78,6 @@ public annotation class ExperimentalIOResourceAPI
  * @since 4.7.0
  */
 @JvmName("valueOfPath")
-@ExperimentalIOResourceAPI
 public fun fileResource(filePath: String): SourceResource {
     return Path(filePath).toResource()
 }
@@ -94,7 +93,6 @@ public fun fileResource(filePath: String): SourceResource {
  * @since 4.7.0
  */
 @JvmName("valueOfPath")
-@ExperimentalIOResourceAPI
 public fun fileResource(base: String, vararg parts: String): SourceResource {
     return Path(base, *parts).toResource()
 }
@@ -110,19 +108,36 @@ public fun fileResource(base: String, vararg parts: String): SourceResource {
  * @since 4.8.0
  */
 @JvmName("valueOf")
-@ExperimentalIOResourceAPI
 public fun Path.toResource(): SourceResource {
     return FilePathResource(this)
 }
 
+/**
+ * 提供一个用于产生 [Source] 的供应函数 [provider]，
+ * 并得到一个 [SourceResource]。
+ *
+ * 得到的结果每次使用 [SourceResource.source] 都会通过 [provider]
+ * 获取一个 [Source]。[Source] 应当由使用者决定关闭时机，而不是在 [provider] 中。
+ *
+ * @since 4.10.0
+ */
+@JvmName("valueOfSourceProvider")
+public fun sourceResource(provider: () -> Source): SourceResource {
+    return SourceResourceImpl(provider)
+}
+
+
 /**
  * 一个可以得到 [kotlinx.io.Source] 的 [Resource]。
  *
+ * 在 JVM 平台中 `Resources` 中会提供更多基于JVM文件系统构建 [SourceResource] 的 API。
+ *
  * @see fileResource
+ * @see sourceResource
+ * @see Path.toResource
  *
  * @since 4.7.0
  */
-@ExperimentalIOResourceAPI
 public interface SourceResource : Resource {
     /**
      * 得到一个用于本次数据读取的 [Source].
@@ -154,7 +169,6 @@ public interface SourceResource : Resource {
     override fun data(): ByteArray = source().use { it.readByteArray() }
 }
 
-@ExperimentalIOResourceAPI
 private data class FilePathResource(val path: Path) : SourceResource {
     private val source
         get() = SystemFileSystem.source(path)
@@ -163,3 +177,9 @@ private data class FilePathResource(val path: Path) : SourceResource {
     override fun source(): Source = source.buffered()
 }
 
+/**
+ * @since 4.10.0
+ */
+private data class SourceResourceImpl(val provider: () -> Source) : SourceResource {
+    override fun source(): Source = provider()
+}