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1// SPDX-FileCopyrightText: 2025 The Project Pterodactyl Developers
2//
3// SPDX-License-Identifier: MPL-2.0
4
5import Foundation
6import TSCBasic
7import llbuild2fx
8
9/// A simplified API for `llbuild2fx` that bundles the arguments of `FXKey.computeValue(_:_)`.
10public struct BuildContext<Key: FXKey> {
11 fileprivate let functionInterface: FXFunctionInterface<Key>
12 fileprivate let context: Context
13
14 var db: any LLBCASDatabase { context.db }
15
16 func request<X: FXKey>(_ key: X) async throws -> X.ValueType {
17 try await functionInterface.request(key, context)
18 }
19
20 func load(_ id: LLBDataID, type hint: LLBFileType? = nil) async throws -> LLBCASFSNode {
21 try await LLBCASFSClient(context.db).load(id, type: hint, context).get()
22 }
23
24 func read(blob: LLBCASBlob) async throws -> LLBByteBufferView {
25 try await blob.read(context).get()
26 }
27}
28
29public protocol BuildKey: AsyncFXKey {
30 func computeValue(_ ctx: BuildContext<Self>) async throws -> ValueType
31}
32
33extension BuildKey {
34 public func computeValue(_ fi: FXFunctionInterface<Self>, _ ctx: Context) async throws -> ValueType {
35 try await computeValue(BuildContext(functionInterface: fi, context: ctx))
36 }
37}
38
39extension LLBCASFileTree {
40 public static func load<X: FXKey>(id: LLBDataID, in ctx: BuildContext<X>) async throws -> LLBCASFileTree {
41 try await load(id: id, from: ctx.db, ctx.context).get()
42 }
43
44 public func remove<X: FXKey>(path: AbsolutePath, in ctx: BuildContext<X>) async throws -> LLBCASFileTree {
45 try await remove(path: path, in: ctx.db, ctx.context).get()
46 }
47
48 public func traverse<X: FXKey>(root: AbsolutePath, in ctx: BuildContext<X>, _ callback: (AbsolutePath, LLBDataID, LLBDirectoryEntry) async throws -> Void) async throws {
49 try await traverse(root: root, in: ctx.db, ctx.context, callback)
50 }
51}