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1 | 1 | /*
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2 |
| - * Copyright 2019-2021 Mamoe Technologies and contributors. |
| 2 | + * Copyright 2019-2022 Mamoe Technologies and contributors. |
3 | 3 | *
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4 | 4 | * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
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5 | 5 | * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
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9 | 9 |
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10 | 10 | package net.mamoe.mirai.console.extension
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11 | 11 |
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| 12 | +import net.mamoe.mirai.console.ConsoleFrontEndImplementation |
| 13 | +import net.mamoe.mirai.console.MiraiConsoleImplementation |
12 | 14 | import net.mamoe.mirai.console.plugin.Plugin
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13 | 15 | import net.mamoe.mirai.console.plugin.jvm.JvmPlugin
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14 | 16 | import net.mamoe.mirai.console.plugin.jvm.JvmPlugin.Companion.onLoad
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| 17 | +import net.mamoe.mirai.utils.MiraiExperimentalApi |
| 18 | +import java.util.stream.Stream |
15 | 19 |
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16 | 20 | /**
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17 | 21 | * 组件容器, 容纳 [Plugin] 注册的 [Extension].
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18 | 22 | *
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| 23 | + * 插件可在 [JvmPlugin.onLoad] 时提供扩展. 前端可在 [MiraiConsoleImplementation.BackendAccess.globalComponentStorage] 获取全局组件容器. |
| 24 | + * 目前未允许获取全局组件容器. 如有需求请 [提交 issues](https://github.com/mamoe/mirai/issues/new/choose). |
| 25 | + * |
| 26 | + * 实现细节: 线程安全. |
| 27 | + * |
19 | 28 | * @see Extension
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20 | 29 | * @see JvmPlugin.onLoad
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21 | 30 | */
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22 | 31 | public interface ComponentStorage {
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23 |
| - public fun <T : Extension> contribute( |
24 |
| - extensionPoint: ExtensionPoint<T>, |
| 32 | + |
| 33 | + /** |
| 34 | + * 注册一个扩展 |
| 35 | + */ |
| 36 | + public fun <E : Extension> contribute( |
| 37 | + extensionPoint: ExtensionPoint<E>, |
25 | 38 | plugin: Plugin,
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26 |
| - extensionInstance: T, |
27 |
| - ) |
| 39 | + extensionInstance: E, |
| 40 | + ) // 2.11: E changed to T (only naming) |
28 | 41 |
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29 |
| - public fun <T : Extension> contribute( |
30 |
| - extensionPoint: ExtensionPoint<T>, |
| 42 | + /** |
| 43 | + * 注册一个扩展. [lazyInstance] 将会在 [getExtensions] 时才会计算. |
| 44 | + */ |
| 45 | + public fun <E : Extension> contribute( |
| 46 | + extensionPoint: ExtensionPoint<E>, |
31 | 47 | plugin: Plugin,
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32 |
| - lazyInstance: () -> T, |
33 |
| - ) |
| 48 | + lazyInstance: () -> E, |
| 49 | + ) // 2.11: E changed to T (only naming) |
| 50 | + |
| 51 | + /** |
| 52 | + * 获取优先级最高的 [ExtensionPoint] 扩展实例. 在未找到任何注册的实例时抛出 [NoSuchElementException]. |
| 53 | + * |
| 54 | + * @since 2.11 |
| 55 | + */ |
| 56 | + @MiraiExperimentalApi |
| 57 | + public fun <E : Extension> getPreferredExtension( |
| 58 | + extensionPoint: ExtensionPoint<E>, |
| 59 | + ): ExtensionRegistry<E> { |
| 60 | + return getExtensions(extensionPoint).firstOrNull() |
| 61 | + ?: throw NoSuchElementException("No extension registered for $extensionPoint") |
| 62 | + } |
| 63 | + |
| 64 | + /** |
| 65 | + * 获取注册的 [ExtensionPoint] 扩展实例列表. 返回的 [Sequence] 以 [Extension.priority] 倒序排序. |
| 66 | + * |
| 67 | + * @since 2.11 |
| 68 | + */ |
| 69 | + public fun <E : Extension> getExtensions( |
| 70 | + extensionPoint: ExtensionPoint<E>, |
| 71 | + ): Sequence<ExtensionRegistry<E>> |
| 72 | + |
| 73 | + /** |
| 74 | + * 获取注册的 [ExtensionPoint] 扩展实例列表. 返回的 [Stream] 以 [Extension.priority] 倒序排序. |
| 75 | + * |
| 76 | + * @since 2.11 |
| 77 | + */ |
| 78 | + public fun <E : Extension> getExtensionsStream( |
| 79 | + extensionPoint: ExtensionPoint<E>, |
| 80 | + ): Stream<ExtensionRegistry<E>> |
34 | 81 | }
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35 | 82 |
|
| 83 | +/** |
| 84 | + * 仅前端实现可用 |
| 85 | + */ |
| 86 | +@ConsoleFrontEndImplementation |
| 87 | +public interface ComponentStorageInternal : ComponentStorage { |
| 88 | + |
| 89 | + /** |
| 90 | + * 注册一个由 Mirai Console 实现的扩展 (因此没有相关 [Plugin]). [lazyInstance] 将会在 [getExtensions] 时才会计算. |
| 91 | + */ |
| 92 | + public fun <E : Extension> contributeConsole( |
| 93 | + extensionPoint: ExtensionPoint<E>, |
| 94 | + lazyInstance: () -> E, |
| 95 | + ) |
| 96 | + |
| 97 | + /** |
| 98 | + * 注册一个由 Mirai Console 实现的扩展 (因此没有相关 [Plugin]). |
| 99 | + */ |
| 100 | + public fun <E : Extension> contributeConsole( |
| 101 | + extensionPoint: ExtensionPoint<E>, |
| 102 | + instance: E, |
| 103 | + ) { |
| 104 | + @Suppress("USELESS_CAST") // bug |
| 105 | + contributeConsole(extensionPoint, { instance } as () -> E) |
| 106 | + } |
| 107 | +} |
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