1 | sinterface ISearchVar {
|
2 | bool set(O o); |
3 | O get(); |
4 | } |
5 | |
6 | sclass MatchVar<A extends Concept> implements IRef<A>, ISearchVar {
|
7 | A value; |
8 | Class<A> type; |
9 | |
10 | public A get() { ret value; }
|
11 | |
12 | public S toString() { ret str(value); }
|
13 | |
14 | bool canHold(O o) { ret type == null || isInstance(type, o); }
|
15 | |
16 | public bool set(O o) { if (canHold(o)) { value = (A) o; true; } else false; }
|
17 | } |
18 | |
19 | sclass Subsearch {
|
20 | Class c; |
21 | O[] params; |
22 | |
23 | *(Class *c, O[] params) {
|
24 | this.params = expandParams(c, params); |
25 | } |
26 | } |
27 | |
28 | static Subsearch some(Class<? extends Concept> c, O... params) {
|
29 | ret new Subsearch(c, params); |
30 | } |
31 | |
32 | static <A extends Concept> A searchConcept(MatchVar<A> var, O... params) {
|
33 | assertNotNull(var.type); // must be typed to use in place of class |
34 | ret var.value = searchConcept(var.type, params); |
35 | } |
36 | |
37 | static <A extends Concept> A searchConcept(Class<A> c, O... params) {
|
38 | params = expandParams(c, params); |
39 | // First, go through all the concepts of the primary type. |
40 | for (A concept : list(c)) |
41 | if (searchConcept_checkParams(concept, params)) |
42 | ret concept; // Success! |
43 | null; |
44 | } |
45 | |
46 | static <A extends Concept> L<A> searchConcept_all(Class<A> c, O... params) {
|
47 | params = expandParams(c, params); |
48 | new L<A> l; |
49 | // First, go through all the concepts of the primary type. |
50 | for (A concept : list(c)) |
51 | if (searchConcept_checkParams(concept, params)) |
52 | l.add(concept); // Success! |
53 | ret l; |
54 | } |
55 | |
56 | static bool searchConcept_checkParams(Concept c, O... params) {
|
57 | for (int i = 0; i+1 < l(params); i += 2) {
|
58 | S field = cast params[i]; |
59 | O val = derefRef(params[i+1]); |
60 | O actual = cget(c, field); |
61 | if (val instanceof Subsearch) {
|
62 | Subsearch s = cast val; |
63 | if (!isInstance(s.c, actual)) false; // wrong type |
64 | if (!searchConcept_checkParams((Concept) actual, s.params)) false; // bad params |
65 | } else if (val instanceof ISearchVar) {
|
66 | ISearchVar v = cast val; |
67 | if (!v.set(actual)) false; |
68 | } else |
69 | if (neq(actual, val)) false; |
70 | } |
71 | true; // all params match |
72 | } |
73 | |
74 | sbool actually(Class c, O... params) {
|
75 | ret searchConcept(Actually, some(c, params)) != null; |
76 | } |
77 | |
78 | /*sbool actually(MatchVar var, O... params) {
|
79 | ret searchConcept(Actually, some(var, params)) != null; |
80 | }*/ |
81 | |
82 | /*static L<Concept> listActually(MatchVar var, O... params) {
|
83 | ret map(func(Actually a) { a.what.get() }, searchConcept_all(Actually, some(var, params)));
|
84 | }*/ |
85 | |
86 | static <A extends Concept> L<A> listActually(Class<A> c, O... params) {
|
87 | ret map(func(Actually a) { a.what.get() }, searchConcept_all(Actually, some(c, params)));
|
88 | } |
89 | |
90 | static <A extends Concept> MatchVar<A> typedVar(Class<A> c) {
|
91 | new MatchVar<A> var; |
92 | var.type = c; |
93 | ret var; |
94 | } |
Began life as a copy of #1005324
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| Snippet ID: | #1005328 |
| Snippet name: | searchConcept etc. |
| Eternal ID of this version: | #1005328/2 |
| Text MD5: | b33ee7e26652decbb03600d671ba2474 |
| Author: | stefan |
| Category: | javax / a.i. |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2021-08-05 22:34:09 |
| Source code size: | 2754 bytes / 94 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 524 / 749 |
| Version history: | 1 change(s) |
| Referenced in: | [show references] |