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| -rw-r--r-- | lib/pure/json.nim | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/pure/json.nim b/lib/pure/json.nim index 306a8a2e2..0476dc2ae 100644 --- a/lib/pure/json.nim +++ b/lib/pure/json.nim @@ -619,6 +619,44 @@ proc `%`*(elements: openArray[PJsonNode]): PJsonNode = newSeq(result.elems, elements.len) for i, p in pairs(elements): result.elems[i] = p +proc `==`* (a,b: PJsonNode): bool = + ## Check two nodes for equality + if a.kind != b.kind: false + else: + case a.kind + of JString: + a.str == b.str + of JInt: + a.num == b.num + of JFloat: + a.fnum == b.fnum + of JBool: + a.bval == b.bval + of JNull: + true + of JArray: + a.elems == b.elems + of JObject: + a.fields == b.fields + +proc hash* (n:PJsonNode): THash = + ## Compute the hash for a JSON node + case n.kind + of jArray: + result = hash(n.elems) + of jObject: + result = hash(n.fields) + of jInt: + result = hash(n.num) + of jFloat: + result = hash(n.fnum) + of jBool: + result = hash(n.bval.int) + of jString: + result = hash(n.str) + of jNull: + result = hash(0) + proc len*(n: PJsonNode): int = ## If `n` is a `JArray`, it returns the number of elements. ## If `n` is a `JObject`, it returns the number of pairs. |