selery.entity.metadata source code

1 /*
2  * Copyright (c) 2017-2018 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: 2017-2018 sel-project
25  * License: MIT
26  * Authors: Kripth
27  * Source: $(HTTP github.com/sel-project/selery/source/selery/entity/metadata.d, selery/entity/metadata.d)
28  */
29 module selery.entity.metadata;
30 
31 import std.conv : to;
32 import std.string : join, startsWith;
33 import std.typetuple : TypeTuple;
34 
35 import selery.about;
36 
37 // still named "minecraft" in sel-utils
38 mixin("alias Games = TypeTuple!(" ~ (){ string[] ret;foreach(g,pr;["bedrock":supportedBedrockProtocols,"java":supportedJavaProtocols]){foreach(p;pr){ret~="\""~g~p.to!string~"\"";}}return ret.join(","); }() ~ ");");
39 
40 mixin((){
41 	string ret;
42 	foreach(immutable game ; Games) {
43 		ret ~= "static import sul.metadata." ~ game ~ ";";
44 	}
45 	return ret;
46 }());
47 
48 class Metadata {
49 
50 	mixin((){
51 		string ret;
52 		foreach(immutable game ; Games) {
53 			ret ~= "public sul.metadata." ~ game ~ ".Metadata " ~ game ~ ";";
54 		}
55 		return ret;
56 	}());
57 
58 	public bool changed = false;
59 
60 	public pure nothrow @safe this() {
61 		foreach(immutable game ; Games) {
62 			mixin("this." ~ game ~ " = new sul.metadata." ~ game ~ ".Metadata();");
63 		}
64 	}
65 
66 	T get(string m, T)() {
67 		enum string game = (){
68 			string ret = "";
69 			foreach(immutable g ; Games) {
70 				mixin("alias T = sul.metadata." ~ g ~ ".Metadata;");
71 				static if(__traits(hasMember, T, m)) ret = g;
72 			}
73 			return ret;
74 		}();
75 		static if(game.length) {
76 			mixin("return this." ~ game ~ "." ~ m ~ ";");
77 		} else {
78 			return T.init;
79 		}
80 	}
81 
82 	T set(string m, string filter, T)(T value) {
83 		foreach(immutable game ; Games) {
84 			static if(!filter.length || game.startsWith(filter)) {
85 				mixin("alias T = sul.metadata." ~ game ~ ".Metadata;");
86 				static if(__traits(hasMember, T, m)) {
87 					this.changed = true;
88 					mixin("this." ~ game ~ "." ~ m ~ " = value;");
89 				}
90 			}
91 		}
92 		return value;
93 	}
94 
95 	T set(string m, T)(T value) {
96 		return this.set!(m, "")(value);
97 	}
98 
99 }