Reranko05 commented on code in PR #50874:
URL: https://github.com/apache/arrow/pull/50874#discussion_r3846286860
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cpp/src/arrow/util/simdjson_internal.h:
##########
@@ -91,6 +94,122 @@ Result<T>
ResolveSimdjsonResult(simdjson::simdjson_result<T> result,
return value;
}
+inline const char* JsonTypeName(simdjson::dom::element_type type) {
+ switch (type) {
+ case simdjson::dom::element_type::ARRAY:
+ return "array";
+ case simdjson::dom::element_type::OBJECT:
+ return "object";
+ case simdjson::dom::element_type::INT64:
+ case simdjson::dom::element_type::UINT64:
+ case simdjson::dom::element_type::DOUBLE:
+ case simdjson::dom::element_type::BIGINT:
+ return "number";
+ case simdjson::dom::element_type::STRING:
+ return "string";
+ case simdjson::dom::element_type::BOOL:
+ return "boolean";
+ case simdjson::dom::element_type::NULL_VALUE:
+ return "null";
+ }
+ return "unknown";
+}
+
+inline Result<simdjson::dom::array> GetJsonArray(simdjson::dom::element value,
+ std::string_view name) {
+ if (!value.is_array()) {
+ return Status::Invalid(name, " must be an array, got ",
JsonTypeName(value.type()));
+ }
+ return ResolveSimdjsonResult(value.get_array(), "Failed to get JSON array");
+}
+
+inline Result<int64_t> GetJsonInt(simdjson::dom::element value,
std::string_view name,
+ std::string_view expected) {
+ if (!value.is_int64()) {
+ return Status::Invalid(name, " must contain ", expected, ", got ",
+ JsonTypeName(value.type()));
+ }
+ return ResolveSimdjsonResult(value.get_int64(), "Failed to get JSON
integer");
+}
+
+inline Result<simdjson::dom::object> ParseJsonObject(simdjson::dom::parser&
parser,
+ const std::string& json) {
+ return ResolveSimdjsonResult(parser.parse(json).get_object(),
+ "Invalid serialized JSON data");
Review Comment:
Updated PR desc
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