selery.hub.plugin.plugin source code

1 /*
2  * Copyright (c) 2017-2019 sel-project
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a copy
5  * of this software and associated documentation files (the "Software"), to deal
6  * in the Software without restriction, including without limitation the rights
7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8  * copies of the Software, and to permit persons to whom the Software is
9  * furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in all
12  * copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  * SOFTWARE.
21  *
22  */
23 /**
24  * Copyright: Copyright (c) 2017-2019 sel-project
25  * License: MIT
26  * Authors: Kripth
27  * Source: $(HTTP github.com/sel-project/selery/source/selery/hub/plugin/plugin.d, selery/hub/plugin/plugin.d)
28  */
29 module selery.hub.plugin.plugin;
30 
31 import std.traits : hasUDA, Parameters;
32 
33 import selery.hub.server : HubServer;
34 public import selery.plugin;
35 import selery.server : Server;
36 
37 class HubPlugin {
38 
39 	protected shared HubServer server;
40 
41 	protected shared Plugin plugin;
42 
43 }
44 
45 class HubPluginInfo : Plugin {
46 
47 	public this(string name, string path, string[] authors, string version_, bool main) {
48 		super(name, path, authors, version_, main);
49 	}
50 
51 	abstract void load(shared HubServer server);
52 
53 }
54 
55 class HubPluginOf(T) : HubPluginInfo if(is(T == Object) || is(T : HubPlugin)) {
56 	
57 	public this(string name, string path, string[] authors, string version_) {
58 		super(name, path, authors, version_, !is(T == Object));
59 	}
60 	
61 	public override void load(shared HubServer server) {
62 		static if(!is(T == Object)) {
63 			T main = new T();
64 			main.server = server;
65 			main.plugin = cast(shared)this;
66 			foreach(member ; __traits(allMembers, T)) {
67 				static if(is(typeof(__traits(getMember, T, member)) == function)) {
68 					mixin("alias F = T." ~ member ~ ";");
69 					enum del = "&main." ~ member;
70 					// start/stop
71 					static if(hasUDA!(F, start) && Parameters!F.length == 0) {
72 						this.onstart ~= mixin(del);
73 					}
74 					static if(hasUDA!(F, stop) && Parameters!F.length == 0) {
75 						this.onstop ~= mixin(del);
76 					}
77 					// event
78 					static if(hasUDA!(F, event) && Parameters!F.length == 1) {
79 						(cast()server.eventListener).addEventListener(mixin(del));
80 					}
81 				}
82 			}
83 		}
84 	}
85 	
86 }