The only purpose of using the built-in Go was to encode json
strings that had unicode or needed to escaped.
This commit adds the new function `AppendJSONString` which allows
for appending strings as their json representation to a byte
slice.
It's about 2x faster than using json.Marshal.
The new "@group" modifier allows for grouping arrays of objects.
For example, using the "@group" modifier on the following json...
{"id":["123","456","789"],"val":[2,1]}
will results in...
[{"id":"123","val":2},{"id":"456","val":1},{"id":"789"}]
This commit adds a two new functions of the Result type:
- Result.Path: Returns the original path of a `Result` that was
returned from a simple `Get` operation.
- Result.Paths: Returns the original paths of a `Result` that was
returned from a `Get` operation with a query.
See issue #206 for more details
The "@keys" and "@values" modifiers converts an object into an
array of its keys or values respectively.
Take this json for example:
{"first":"Tom","last":"Smith"}
@keys -> ["first","last"]
@values -> ["Tom","Smith"]
This feature was requested in #161.
This commit adds the uses the MatchLimit function, which it the
same as Match but will limit the complexity of the input pattern.
This is to avoid long running matches, specifically to avoid ReDos
attacks from arbritary inputs.
This commit adds the new tilde '~' operator, which when used will
convert a value to a boolean before comparison.
For example, using the following JSON:
{
"vals": [
{ "a": 1, "b": true },
{ "a": 2, "b": true },
{ "a": 3, "b": false },
{ "a": 4, "b": "0" },
{ "a": 5, "b": 0 },
{ "a": 6, "b": "1" },
{ "a": 7, "b": 1 }
{ "a": 8, "b": "true" },
{ "a": 9, "b": false }
{ "a": 10, "b": null }
{ "a": 11 }
]
}
You can now query for all true(ish) values:
vals.#(b==~true)#
Which returns:
[1,2,6,7,8]
Or all false(ish) values:
vals.#(b==~false)#
Which returns:
[3,4,5,9,10,11]
The last value which was non-existent is treated as "false"
This commit fixes an issue where a multires query on an empty
array will result in a non-existent (empty string) result.
For example `Get("[]", "#(key=value)#").Raw` resulted in an
empty string. But, it should actually result in the empty
array `[]`.
This commit removes the reflect package to avoid using the
reflect.SliceHeader and reflect.StringHeader structures. Instead
new sliceHeader and stringHeader stuctures have been added with
the same layout expect that they intentionally expose the data
field as an unsafe.Pointer instead of a uintptr.
golang has several tools that already parse boolean values in the standard library.
Specifically strconv.ParseBool(string)
https://golang.org/pkg/strconv/#ParseBool
"ParseBool returns the boolean value represented by the string. It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False. Any other value returns an error."
This change returns any matching ParseBool string to that boolean value, or if the string is not one of those values, the error being thrown, returns a false.
This commit allows for gjson and sjson to be supported in
WebAssembly `wasm` projects, but breaks compatibility for
anyone using gjson with older Google App Engine and GopherJS.
`@flatten` Flattens an array with child arrays.
[1,[2],[3,4],[5,[6,7]]] -> [1,2,3,4,5,[6,7]]
The {"deep":true} arg can be provide for deep flattening.
[1,[2],[3,4],[5,[6,7]]] -> [1,2,3,4,5,6,7]
The original json is returned when the json is not an array.
`@join` Joins multiple objects into a single object.
[{"first":"Tom"},{"last":"Smith"}] -> {"first","Tom","last":"Smith"}
The arg can be "true" to specify that duplicate keys should be preserved.
[{"first":"Tom","age":37},{"age":41}] -> {"first","Tom","age":37,"age":41}
Without preserved keys:
[{"first":"Tom","age":37},{"age":41}] -> {"first","Tom","age":41}
The original json is returned when the json is not an object.
`@valid` Ensures that the json is valid before moving on. An
empty string is returned when the json is not valid, otherwise
it returns the original json.
This modifier returns the current element as-is and can be used
to retrieve the JSON document itself. It is equivalent to the `#/` JSON Pointer.
Closes#149
It's now possible to do a query like
topology.instances.#(service_roles.#(=="one"))#.service_version
On a JSON document such as
{
"topology": {
"instances": [{
"service_version": "1.2.3",
"service_roles": ["one", "two"]
},{
"service_version": "1.2.4",
"service_roles": ["three", "four"]
},{
"service_version": "1.2.2",
"service_roles": ["one"]
}]
}
}
Resulting in
["1.2.3","1.2.2"]
tidwall