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// data = output of jsonDecode() sclass JSONKeyTree { new TreeSet<S> out; new MultiMap<S, O> examples; new Map<S, IntRange> listSizes; S render(O data) { process(data); ret lines(out, key -> { var xmpls = examples.get(key); var ls = listSizes.get(key); if (ls != null) if (l(ls) == 0) ret key + " with " + nElements(ls.start); else ret key + " with between " + ls.start + " and " + ls.end + " elements"; else if (nempty(xmpls)) ret key + " = e.g. " + jsonEncode(first(xmpls)); else ret key; }); } Set<S> get(O data) { process(data); ret out; } void process(S prefix default "", O data) { if (data cast L) { S l = prefix + " is a list"; out.add(l); listSizes.put(l, joinIntRanges(listSizes.get(l), emptyIntRange(l(data)))); S s = prefix + "[]"; for (O o : data) process(s, o); } else if (data cast Map) { out.add(prefix + " is a map"); for (O key, O val : castMapToMapO(data)) { S s = addDotIfNempty(prefix) + key; out.add(s); process(s, val); } } else if (data == null) out.add(prefix + " is null"); else { out.add(prefix + " is a " + shortClassName(data)); examples.put(prefix, data); } } }
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Snippet ID: | #1032561 |
Snippet name: | JSONKeyTree |
Eternal ID of this version: | #1032561/15 |
Text MD5: | 65d9005c136ac2defe9d298ad9958a0f |
Transpilation MD5: | fce5c573b3a934174a7f3ff1056ac1d7 |
Author: | stefan |
Category: | javax / json |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2021-09-23 00:20:11 |
Source code size: | 1388 bytes / 51 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 157 / 306 |
Version history: | 14 change(s) |
Referenced in: | [show references] |