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// Copyright 2017 LambdaStack All rights reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. use std::str; use serde_json; use crate::JsonData; // use JsonValue; /// First json call that takes a JSON formatted string and converts it to /// JsonData object that can then be traversed using `json_find` via the key /// path. pub fn json_data(json_str: &str) -> Option<JsonData> { match serde_json::from_str(json_str) { Ok(json_data) => Some(json_data), Err(_) => None, } } /// Looks for the parent object first and then the 'child' object. If the /// parent object is None then it only looks for the 'child' object. The parent /// object is used for situations where there may be 'child' objects with the /// same name. pub fn json_find(json_data: JsonData, keys: &[&str]) -> Option<JsonData> { let mut value = json_data; for key in keys { match value.get(key) { Some(v) => value = v.clone(), None => return None, } } Some(value) } /// More specific String cast of an individual JsonData object. pub fn json_as_string(json_data: &JsonData) -> String { json_data.to_string() }