forked from mirror/sjson
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10
README.md
10
README.md
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@ -3,13 +3,13 @@
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src="logo.png"
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src="logo.png"
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width="240" height="78" border="0" alt="SJSON">
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width="240" height="78" border="0" alt="SJSON">
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<br>
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<br>
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<a href="https://godoc.org/github.com/tidwall/sjson"><img src="https://img.shields.io/badge/api-reference-blue.svg?style=flat-square" alt="GoDoc"></a>
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<a href="https://godoc.org/git.internal/re/sjson"><img src="https://img.shields.io/badge/api-reference-blue.svg?style=flat-square" alt="GoDoc"></a>
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</p>
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</p>
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<p align="center">set a json value quickly</p>
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<p align="center">set a json value quickly</p>
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SJSON is a Go package that provides a [very fast](#performance) and simple way to set a value in a json document.
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SJSON is a Go package that provides a [very fast](#performance) and simple way to set a value in a json document.
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For quickly retrieving json values check out [GJSON](https://github.com/tidwall/gjson).
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For quickly retrieving json values check out [GJSON](https://git.internal/re/gjson).
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For a command line interface check out [JJ](https://github.com/tidwall/jj).
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For a command line interface check out [JJ](https://github.com/tidwall/jj).
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@ -22,7 +22,7 @@ Installing
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To start using SJSON, install Go and run `go get`:
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To start using SJSON, install Go and run `go get`:
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```sh
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```sh
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$ go get -u github.com/tidwall/sjson
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$ go get -u git.internal/re/sjson
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```
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```
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This will retrieve the library.
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This will retrieve the library.
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@ -38,7 +38,7 @@ Invalid paths may return an error.
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```go
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```go
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package main
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package main
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import "github.com/tidwall/sjson"
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import "git.internal/re/sjson"
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const json = `{"name":{"first":"Janet","last":"Prichard"},"age":47}`
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const json = `{"name":{"first":"Janet","last":"Prichard"},"age":47}`
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@ -268,7 +268,7 @@ widget.image.hOffset
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widget.text.onMouseUp
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widget.text.onMouseUp
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```
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```
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*These benchmarks were run on a MacBook Pro 15" 2.8 GHz Intel Core i7 using Go 1.7 and can be be found [here](https://github.com/tidwall/sjson-benchmarks)*.
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*These benchmarks were run on a MacBook Pro 15" 2.8 GHz Intel Core i7 using Go 1.7 and can be be found [here](https://git.internal/re/sjson-benchmarks)*.
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## Contact
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## Contact
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Josh Baker [@tidwall](http://twitter.com/tidwall)
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Josh Baker [@tidwall](http://twitter.com/tidwall)
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4
go.mod
4
go.mod
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@ -1,8 +1,8 @@
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module github.com/tidwall/sjson
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module git.internal/re/sjson
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go 1.14
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go 1.14
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require (
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require (
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github.com/tidwall/gjson v1.14.2
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git.internal/re/gjson v1.14.4
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github.com/tidwall/pretty v1.2.0
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github.com/tidwall/pretty v1.2.0
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)
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)
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4
go.sum
4
go.sum
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@ -1,5 +1,5 @@
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github.com/tidwall/gjson v1.14.2 h1:6BBkirS0rAHjumnjHF6qgy5d2YAJ1TLIaFE2lzfOLqo=
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git.internal/re/gjson v1.14.4 h1:h247IjFbi0EbPbaP9uhmjF4d4BBZdzp3IqVdPbOfNlQ=
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github.com/tidwall/gjson v1.14.2/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
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git.internal/re/gjson v1.14.4/go.mod h1:nWhPHhrw7k8ssdzMTMcw6ButkZOJV9xeqauMiGbDEmo=
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github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
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github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
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github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
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github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
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github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
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github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
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27
sjson.go
27
sjson.go
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@ -7,7 +7,7 @@ import (
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"strconv"
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"strconv"
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"unsafe"
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"unsafe"
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"github.com/tidwall/gjson"
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"git.internal/re/gjson"
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)
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)
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type errorType struct {
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type errorType struct {
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@ -134,7 +134,8 @@ func appendStringify(buf []byte, s string) []byte {
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// appendBuild builds a json block from a json path.
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// appendBuild builds a json block from a json path.
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func appendBuild(buf []byte, array bool, paths []pathResult, raw string,
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func appendBuild(buf []byte, array bool, paths []pathResult, raw string,
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stringify bool) []byte {
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stringify bool,
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) []byte {
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if !array {
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if !array {
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buf = appendStringify(buf, paths[0].part)
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buf = appendStringify(buf, paths[0].part)
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buf = append(buf, ':')
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buf = append(buf, ':')
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@ -248,7 +249,8 @@ loop:
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var errNoChange = &errorType{"no change"}
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var errNoChange = &errorType{"no change"}
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func appendRawPaths(buf []byte, jstr string, paths []pathResult, raw string,
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func appendRawPaths(buf []byte, jstr string, paths []pathResult, raw string,
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stringify, del bool) ([]byte, error) {
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stringify, del bool,
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) ([]byte, error) {
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var err error
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var err error
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var res gjson.Result
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var res gjson.Result
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var found bool
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var found bool
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} else {
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} else {
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return nil, &errorType{
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return nil, &errorType{
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"cannot set array element for non-numeric key '" +
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"cannot set array element for non-numeric key '" +
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paths[0].part + "'"}
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paths[0].part + "'",
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}
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}
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}
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}
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}
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if appendit {
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if appendit {
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@ -439,7 +442,6 @@ func isOptimisticPath(path string) bool {
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// "name.last" >> "Anderson"
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// "name.last" >> "Anderson"
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// "age" >> 37
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// "age" >> 37
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// "children.1" >> "Alex"
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// "children.1" >> "Alex"
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//
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func Set(json, path string, value interface{}) (string, error) {
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func Set(json, path string, value interface{}) (string, error) {
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return SetOptions(json, path, value, nil)
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return SetOptions(json, path, value, nil)
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}
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}
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}
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}
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func set(jstr, path, raw string,
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func set(jstr, path, raw string,
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stringify, del, optimistic, inplace bool) ([]byte, error) {
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stringify, del, optimistic, inplace bool,
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) ([]byte, error) {
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if path == "" {
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if path == "" {
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return []byte(jstr), &errorType{"path cannot be empty"}
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return []byte(jstr), &errorType{"path cannot be empty"}
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}
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}
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if !stringify || !mustMarshalString(raw) {
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if !stringify || !mustMarshalString(raw) {
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jsonh := *(*stringHeader)(unsafe.Pointer(&jstr))
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jsonh := *(*stringHeader)(unsafe.Pointer(&jstr))
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jsonbh := sliceHeader{
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jsonbh := sliceHeader{
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data: jsonh.data, len: jsonh.len, cap: jsonh.len}
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data: jsonh.data, len: jsonh.len, cap: jsonh.len,
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}
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jbytes := *(*[]byte)(unsafe.Pointer(&jsonbh))
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jbytes := *(*[]byte)(unsafe.Pointer(&jsonbh))
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if stringify {
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if stringify {
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jbytes[res.Index] = '"'
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jbytes[res.Index] = '"'
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// Invalid json will not panic, but it may return back unexpected results.
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// Invalid json will not panic, but it may return back unexpected results.
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// An error is returned if the path is not valid.
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// An error is returned if the path is not valid.
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func SetOptions(json, path string, value interface{},
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func SetOptions(json, path string, value interface{},
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opts *Options) (string, error) {
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opts *Options,
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) (string, error) {
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if opts != nil {
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if opts != nil {
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if opts.ReplaceInPlace {
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if opts.ReplaceInPlace {
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// it's not safe to replace bytes in-place for strings
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// it's not safe to replace bytes in-place for strings
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// If working with bytes, this method preferred over
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// If working with bytes, this method preferred over
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// SetOptions(string(data), path, value)
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// SetOptions(string(data), path, value)
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func SetBytesOptions(json []byte, path string, value interface{},
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func SetBytesOptions(json []byte, path string, value interface{},
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opts *Options) ([]byte, error) {
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opts *Options,
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) ([]byte, error) {
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var optimistic, inplace bool
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var optimistic, inplace bool
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if opts != nil {
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if opts != nil {
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optimistic = opts.Optimistic
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optimistic = opts.Optimistic
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// If working with bytes, this method preferred over
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// If working with bytes, this method preferred over
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// SetRawOptions(string(data), path, value, opts)
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// SetRawOptions(string(data), path, value, opts)
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func SetRawBytesOptions(json []byte, path string, value []byte,
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func SetRawBytesOptions(json []byte, path string, value []byte,
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opts *Options) ([]byte, error) {
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opts *Options,
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) ([]byte, error) {
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jstr := *(*string)(unsafe.Pointer(&json))
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jstr := *(*string)(unsafe.Pointer(&json))
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vstr := *(*string)(unsafe.Pointer(&value))
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vstr := *(*string)(unsafe.Pointer(&value))
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var optimistic, inplace bool
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var optimistic, inplace bool
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"testing"
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"testing"
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"time"
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"time"
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"github.com/tidwall/gjson"
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"git.internal/re/gjson"
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"github.com/tidwall/pretty"
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"github.com/tidwall/pretty"
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)
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)
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t.Fatalf("expected '%v', got '%v'", expect, string(json3))
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t.Fatalf("expected '%v', got '%v'", expect, string(json3))
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}
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}
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}
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}
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func TestBasic(t *testing.T) {
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func TestBasic(t *testing.T) {
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testRaw(t, setRaw, `[{"hiw":"planet","hi":"world"}]`, `[{"hi":"world"}]`, "0.hiw", `"planet"`)
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testRaw(t, setRaw, `[{"hiw":"planet","hi":"world"}]`, `[{"hi":"world"}]`, "0.hiw", `"planet"`)
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testRaw(t, setRaw, `[true]`, ``, "0", `true`)
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testRaw(t, setRaw, `[true]`, ``, "0", `true`)
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expectedForLenBefore309AsBytes := `{"1":"","0":"01234567890123456789012345678901234567890123456789012345678901234567890123456","2":""}`
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expectedForLenBefore309AsBytes := `{"1":"","0":"01234567890123456789012345678901234567890123456789012345678901234567890123456","2":""}`
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//---------------------------
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//---------------------------
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var data = []struct {
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data := []struct {
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desc string
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desc string
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input string
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input string
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expected string
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expected string
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for i, d := range data {
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for i, d := range data {
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result, err := Delete(d.input, "to_delete")
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result, err := Delete(d.input, "to_delete")
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if err != nil {
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if err != nil {
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t.Error(fmtErrorf(testError{
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t.Error(fmtErrorf(testError{
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unexpected: "error",
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unexpected: "error",
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t.Fatalf("expected '%v', got '%v'", `{"app.token":"cde"}`, json)
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t.Fatalf("expected '%v', got '%v'", `{"app.token":"cde"}`, json)
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}
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}
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}
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}
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func TestDeleteDotKeyIssue19(t *testing.T) {
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func TestDeleteDotKeyIssue19(t *testing.T) {
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json := []byte(`{"data":{"key1":"value1","key2.something":"value2"}}`)
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json := []byte(`{"data":{"key1":"value1","key2.something":"value2"}}`)
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json, _ = DeleteBytes(json, `data.key2\.something`)
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json, _ = DeleteBytes(json, `data.key2\.something`)
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}
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}
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func TestIssue36(t *testing.T) {
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func TestIssue36(t *testing.T) {
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var json = `
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json := `
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{
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{
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"size": 1000
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"size": 1000
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}
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}
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`
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`
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var raw = `
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raw := `
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{
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{
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"sample": "hello"
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"sample": "hello"
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}
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}
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