[−][src]Crate jsonpath_lib
JsonPath implementation for Rust
Example
extern crate jsonpath_lib as jsonpath; #[macro_use] extern crate serde_json; let json_obj = json!({ "store": { "book": [ { "category": "reference", "author": "Nigel Rees", "title": "Sayings of the Century", "price": 8.95 }, { "category": "fiction", "author": "Evelyn Waugh", "title": "Sword of Honour", "price": 12.99 }, { "category": "fiction", "author": "Herman Melville", "title": "Moby Dick", "isbn": "0-553-21311-3", "price": 8.99 }, { "category": "fiction", "author": "J. R. R. Tolkien", "title": "The Lord of the Rings", "isbn": "0-395-19395-8", "price": 22.99 } ], "bicycle": { "color": "red", "price": 19.95 } }, "expensive": 10 }); let mut selector = jsonpath::selector(&json_obj); // // $.store.book[*].author // let json = selector("$.store.book[*].author").unwrap(); let ret = json!(["Nigel Rees","Evelyn Waugh","Herman Melville","J. R. R. Tolkien"]); assert_eq!(json, ret); // // $..author // let json = selector("$..author").unwrap(); let ret = json!(["Nigel Rees","Evelyn Waugh","Herman Melville","J. R. R. Tolkien"]); assert_eq!(json, ret); // // $.store.* // let json = selector("$.store.*").unwrap(); let ret = json!([ [ {"category" : "reference", "author" : "Nigel Rees","title" : "Sayings of the Century", "price" : 8.95}, {"category" : "fiction", "author" : "Evelyn Waugh","title" : "Sword of Honour","price" : 12.99}, {"category" : "fiction", "author" : "Herman Melville","title" : "Moby Dick","isbn" : "0-553-21311-3","price" : 8.99}, {"category" : "fiction", "author" : "J. R. R. Tolkien","title" : "The Lord of the Rings","isbn" : "0-395-19395-8","price" : 22.99} ], {"color" : "red","price" : 19.95}, ]); assert_eq!(ret, json); // // $.store..price // let json = selector("$.store..price").unwrap(); let ret = json!([8.95, 12.99, 8.99, 22.99, 19.95]); assert_eq!(ret, json); // // $..book[2] // let json = selector("$..book[2]").unwrap(); let ret = json!([{ "category" : "fiction", "author" : "Herman Melville", "title" : "Moby Dick", "isbn" : "0-553-21311-3", "price" : 8.99 }]); assert_eq!(ret, json); // // $..book[-2] // let json = selector("$..book[-2]").unwrap(); let ret = json!([{ "category" : "fiction", "author" : "Herman Melville", "title" : "Moby Dick", "isbn" : "0-553-21311-3", "price" : 8.99 }]); assert_eq!(ret, json); // // $..book[0,1] // let json = selector("$..book[0,1]").unwrap(); let ret = json!([ {"category" : "reference","author" : "Nigel Rees","title" : "Sayings of the Century","price" : 8.95}, {"category" : "fiction","author" : "Evelyn Waugh","title" : "Sword of Honour","price" : 12.99} ]); assert_eq!(ret, json); // // $..book[:2] // let json = selector("$..book[:2]").unwrap(); let ret = json!([ {"category" : "reference","author" : "Nigel Rees","title" : "Sayings of the Century","price" : 8.95}, {"category" : "fiction","author" : "Evelyn Waugh","title" : "Sword of Honour","price" : 12.99} ]); assert_eq!(ret, json); // // $..book[2:] // let json = selector("$..book[2:]").unwrap(); let ret = json!([ {"category" : "fiction","author" : "Herman Melville","title" : "Moby Dick","isbn" : "0-553-21311-3","price" : 8.99}, {"category" : "fiction","author" : "J. R. R. Tolkien","title" : "The Lord of the Rings","isbn" : "0-395-19395-8","price" : 22.99} ]); assert_eq!(ret, json); // // $..book[?(@.isbn)] // let json = selector("$..book[?(@.isbn)]").unwrap(); let ret = json!([ {"category" : "fiction","author" : "Herman Melville","title" : "Moby Dick","isbn" : "0-553-21311-3","price" : 8.99}, {"category" : "fiction","author" : "J. R. R. Tolkien","title" : "The Lord of the Rings","isbn" : "0-395-19395-8","price" : 22.99} ]); assert_eq!(ret, json); // // $.store.book[?(@.price < 10)] // let json = selector("$.store.book[?(@.price < 10)]").unwrap(); let ret = json!([ {"category" : "reference","author" : "Nigel Rees","title" : "Sayings of the Century","price" : 8.95}, {"category" : "fiction","author" : "Herman Melville","title" : "Moby Dick","isbn" : "0-553-21311-3","price" : 8.99} ]); assert_eq!(ret, json);
Modules
prelude |
Functions
compile | Read multiple Json multiple times with the same JsonPath |
read | Read Json using JsonPath - Deprecated. use select |
reader | Read the same Json multiple times using different JsonPath - Deprecated. use selector |
select | Read Json using JsonPath |
selector | Read the same Json multiple times using different JsonPath |