forked from mirror/sjson
Removed appengine build
This commit is contained in:
tidwall
parent
25fb082a20
commit
bac348a61c
181
sjson.go
181
sjson.go
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@ -3,7 +3,9 @@ package sjson
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import (
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jsongo "encoding/json"
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"reflect"
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"strconv"
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"unsafe"
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"github.com/tidwall/gjson"
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)
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@ -480,3 +482,182 @@ func Delete(json, path string) (string, error) {
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func DeleteBytes(json []byte, path string) ([]byte, error) {
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return SetBytes(json, path, dtype{})
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}
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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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if path == "" {
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return nil, &errorType{"path cannot be empty"}
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}
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if !del && optimistic && isOptimisticPath(path) {
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res := gjson.Get(jstr, path)
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if res.Exists() && res.Index > 0 {
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sz := len(jstr) - len(res.Raw) + len(raw)
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if stringify {
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sz += 2
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}
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if inplace && sz <= len(jstr) {
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if !stringify || !mustMarshalString(raw) {
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jsonh := *(*reflect.StringHeader)(unsafe.Pointer(&jstr))
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jsonbh := reflect.SliceHeader{
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Data: jsonh.Data, Len: jsonh.Len, Cap: jsonh.Len}
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jbytes := *(*[]byte)(unsafe.Pointer(&jsonbh))
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if stringify {
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jbytes[res.Index] = '"'
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copy(jbytes[res.Index+1:], []byte(raw))
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jbytes[res.Index+1+len(raw)] = '"'
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copy(jbytes[res.Index+1+len(raw)+1:],
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jbytes[res.Index+len(res.Raw):])
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} else {
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copy(jbytes[res.Index:], []byte(raw))
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copy(jbytes[res.Index+len(raw):],
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jbytes[res.Index+len(res.Raw):])
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}
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return jbytes[:sz], nil
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}
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return nil, nil
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}
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buf := make([]byte, 0, sz)
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buf = append(buf, jstr[:res.Index]...)
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if stringify {
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buf = appendStringify(buf, raw)
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} else {
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buf = append(buf, raw...)
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}
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buf = append(buf, jstr[res.Index+len(res.Raw):]...)
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return buf, nil
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}
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}
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// parse the path, make sure that it does not contain invalid characters
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// such as '#', '?', '*'
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paths := make([]pathResult, 0, 4)
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r, err := parsePath(path)
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if err != nil {
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return nil, err
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}
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paths = append(paths, r)
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for r.more {
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if r, err = parsePath(r.path); err != nil {
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return nil, err
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}
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paths = append(paths, r)
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}
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njson, err := appendRawPaths(nil, jstr, paths, raw, stringify, del)
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if err != nil {
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return nil, err
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}
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return njson, nil
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}
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// SetOptions sets a json value for the specified path with options.
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// A path is in dot syntax, such as "name.last" or "age".
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// This function expects that the json is well-formed, and does not validate.
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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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func SetOptions(json, path string, value interface{},
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opts *Options) (string, error) {
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if opts != nil {
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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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// copy the Options and set options.ReplaceInPlace to false.
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nopts := *opts
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opts = &nopts
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opts.ReplaceInPlace = false
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}
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}
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jsonh := *(*reflect.StringHeader)(unsafe.Pointer(&json))
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jsonbh := reflect.SliceHeader{Data: jsonh.Data, Len: jsonh.Len}
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jsonb := *(*[]byte)(unsafe.Pointer(&jsonbh))
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res, err := SetBytesOptions(jsonb, path, value, opts)
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return string(res), err
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}
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// SetBytesOptions sets a json value for the specified path with options.
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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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func SetBytesOptions(json []byte, path string, value interface{},
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opts *Options) ([]byte, error) {
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var optimistic, inplace bool
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if opts != nil {
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optimistic = opts.Optimistic
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inplace = opts.ReplaceInPlace
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}
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jstr := *(*string)(unsafe.Pointer(&json))
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var res []byte
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var err error
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switch v := value.(type) {
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default:
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b, merr := jsongo.Marshal(value)
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if merr != nil {
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return nil, merr
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}
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raw := *(*string)(unsafe.Pointer(&b))
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res, err = set(jstr, path, raw, false, false, optimistic, inplace)
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case dtype:
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res, err = set(jstr, path, "", false, true, optimistic, inplace)
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case string:
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res, err = set(jstr, path, v, true, false, optimistic, inplace)
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case []byte:
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raw := *(*string)(unsafe.Pointer(&v))
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res, err = set(jstr, path, raw, true, false, optimistic, inplace)
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case bool:
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if v {
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res, err = set(jstr, path, "true", false, false, optimistic, inplace)
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} else {
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res, err = set(jstr, path, "false", false, false, optimistic, inplace)
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}
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case int8:
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res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
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false, false, optimistic, inplace)
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case int16:
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res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
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false, false, optimistic, inplace)
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case int32:
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res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
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false, false, optimistic, inplace)
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case int64:
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res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
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false, false, optimistic, inplace)
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case uint8:
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res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
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false, false, optimistic, inplace)
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case uint16:
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res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
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false, false, optimistic, inplace)
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case uint32:
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res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
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false, false, optimistic, inplace)
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case uint64:
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res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
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false, false, optimistic, inplace)
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case float32:
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res, err = set(jstr, path, strconv.FormatFloat(float64(v), 'f', -1, 64),
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false, false, optimistic, inplace)
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case float64:
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res, err = set(jstr, path, strconv.FormatFloat(float64(v), 'f', -1, 64),
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false, false, optimistic, inplace)
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}
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if err == errNoChange {
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return json, nil
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}
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return res, err
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}
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// SetRawBytesOptions sets a raw json value for the specified path with options.
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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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func SetRawBytesOptions(json []byte, path string, value []byte,
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opts *Options) ([]byte, error) {
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jstr := *(*string)(unsafe.Pointer(&json))
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vstr := *(*string)(unsafe.Pointer(&value))
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var optimistic, inplace bool
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if opts != nil {
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optimistic = opts.Optimistic
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inplace = opts.ReplaceInPlace
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}
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res, err := set(jstr, path, vstr, false, false, optimistic, inplace)
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if err == errNoChange {
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return json, nil
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}
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return res, err
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}
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196
sjson_gae.go
196
sjson_gae.go
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@ -1,196 +0,0 @@
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//+build appengine
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package sjson
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import (
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jsongo "encoding/json"
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"strconv"
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"github.com/tidwall/gjson"
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)
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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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if path == "" {
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return nil, &errorType{"path cannot be empty"}
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}
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if !del && optimistic && isOptimisticPath(path) {
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res := gjson.Get(jstr, path)
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if res.Exists() && res.Index > 0 {
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sz := len(jstr) - len(res.Raw) + len(raw)
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if stringify {
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sz += 2
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}
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if inplace && sz <= len(jstr) {
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if !stringify || !mustMarshalString(raw) {
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// jsonh := *(*reflect.StringHeader)(unsafe.Pointer(&jstr))
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// jsonbh := reflect.SliceHeader{
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// Data: jsonh.Data, Len: jsonh.Len, Cap: jsonh.Len}
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// jbytes := *(*[]byte)(unsafe.Pointer(&jsonbh))
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jbytes := []byte(jstr)
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if stringify {
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jbytes[res.Index] = '"'
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copy(jbytes[res.Index+1:], []byte(raw))
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jbytes[res.Index+1+len(raw)] = '"'
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copy(jbytes[res.Index+1+len(raw)+1:],
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jbytes[res.Index+len(res.Raw):])
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} else {
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copy(jbytes[res.Index:], []byte(raw))
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copy(jbytes[res.Index+len(raw):],
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jbytes[res.Index+len(res.Raw):])
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}
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return jbytes[:sz], nil
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}
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return nil, nil
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}
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buf := make([]byte, 0, sz)
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buf = append(buf, jstr[:res.Index]...)
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if stringify {
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buf = appendStringify(buf, raw)
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} else {
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buf = append(buf, raw...)
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}
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buf = append(buf, jstr[res.Index+len(res.Raw):]...)
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return buf, nil
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}
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}
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// parse the path, make sure that it does not contain invalid characters
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// such as '#', '?', '*'
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paths := make([]pathResult, 0, 4)
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r, err := parsePath(path)
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if err != nil {
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return nil, err
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}
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paths = append(paths, r)
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for r.more {
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if r, err = parsePath(r.path); err != nil {
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return nil, err
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}
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paths = append(paths, r)
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}
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njson, err := appendRawPaths(nil, jstr, paths, raw, stringify, del)
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if err != nil {
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return nil, err
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}
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return njson, nil
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}
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// SetOptions sets a json value for the specified path with options.
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// A path is in dot syntax, such as "name.last" or "age".
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// This function expects that the json is well-formed, and does not validate.
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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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func SetOptions(json, path string, value interface{},
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opts *Options) (string, error) {
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if opts != nil {
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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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// copy the Options and set options.ReplaceInPlace to false.
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nopts := *opts
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opts = &nopts
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opts.ReplaceInPlace = false
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}
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}
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// jsonh := *(*reflect.StringHeader)(unsafe.Pointer(&json))
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// jsonbh := reflect.SliceHeader{Data: jsonh.Data, Len: jsonh.Len}
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// jsonb := *(*[]byte)(unsafe.Pointer(&jsonbh))
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jsonb := []byte(json)
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res, err := SetBytesOptions(jsonb, path, value, opts)
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return string(res), err
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}
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// SetBytesOptions sets a json value for the specified path with options.
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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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func SetBytesOptions(json []byte, path string, value interface{},
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opts *Options) ([]byte, error) {
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var optimistic, inplace bool
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if opts != nil {
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optimistic = opts.Optimistic
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inplace = opts.ReplaceInPlace
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}
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// jstr := *(*string)(unsafe.Pointer(&json))
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jstr := string(json)
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var res []byte
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var err error
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switch v := value.(type) {
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default:
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b, merr := jsongo.Marshal(value)
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if merr != nil {
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return nil, merr
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}
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// raw := *(*string)(unsafe.Pointer(&b))
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raw := string(b)
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res, err = set(jstr, path, raw, false, false, optimistic, inplace)
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case dtype:
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res, err = set(jstr, path, "", false, true, optimistic, inplace)
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case string:
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res, err = set(jstr, path, v, true, false, optimistic, inplace)
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case []byte:
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// raw := *(*string)(unsafe.Pointer(&v))
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raw := string(v)
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res, err = set(jstr, path, raw, true, false, optimistic, inplace)
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case bool:
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if v {
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res, err = set(jstr, path, "true", false, false, optimistic, inplace)
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} else {
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res, err = set(jstr, path, "false", false, false, optimistic, inplace)
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}
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case int8:
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res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
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false, false, optimistic, inplace)
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case int16:
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res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
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false, false, optimistic, inplace)
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case int32:
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res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
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false, false, optimistic, inplace)
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case int64:
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res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
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false, false, optimistic, inplace)
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case uint8:
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res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
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false, false, optimistic, inplace)
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case uint16:
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res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
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false, false, optimistic, inplace)
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case uint32:
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res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
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false, false, optimistic, inplace)
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case uint64:
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res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
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false, false, optimistic, inplace)
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case float32:
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res, err = set(jstr, path, strconv.FormatFloat(float64(v), 'f', -1, 64),
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false, false, optimistic, inplace)
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case float64:
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res, err = set(jstr, path, strconv.FormatFloat(float64(v), 'f', -1, 64),
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false, false, optimistic, inplace)
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}
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if err == errNoChange {
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return json, nil
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}
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return res, err
|
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}
|
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|
||||
// SetRawBytesOptions sets a raw json value for the specified path with options.
|
||||
// If working with bytes, this method preferred over
|
||||
// SetRawOptions(string(data), path, value, opts)
|
||||
func SetRawBytesOptions(json []byte, path string, value []byte,
|
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opts *Options) ([]byte, error) {
|
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// jstr := *(*string)(unsafe.Pointer(&json))
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// vstr := *(*string)(unsafe.Pointer(&value))
|
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jstr := string(json)
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vstr := string(value)
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var optimistic, inplace bool
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if opts != nil {
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optimistic = opts.Optimistic
|
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inplace = opts.ReplaceInPlace
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}
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res, err := set(jstr, path, vstr, false, false, optimistic, inplace)
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if err == errNoChange {
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return json, nil
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}
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return res, err
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}
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191
sjson_ngae.go
191
sjson_ngae.go
|
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@ -1,191 +0,0 @@
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//+build !appengine
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|
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package sjson
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|
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import (
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jsongo "encoding/json"
|
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"reflect"
|
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"strconv"
|
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"unsafe"
|
||||
|
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"github.com/tidwall/gjson"
|
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)
|
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|
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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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if path == "" {
|
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return nil, &errorType{"path cannot be empty"}
|
||||
}
|
||||
if !del && optimistic && isOptimisticPath(path) {
|
||||
res := gjson.Get(jstr, path)
|
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if res.Exists() && res.Index > 0 {
|
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sz := len(jstr) - len(res.Raw) + len(raw)
|
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if stringify {
|
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sz += 2
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}
|
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if inplace && sz <= len(jstr) {
|
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if !stringify || !mustMarshalString(raw) {
|
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jsonh := *(*reflect.StringHeader)(unsafe.Pointer(&jstr))
|
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jsonbh := reflect.SliceHeader{
|
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Data: jsonh.Data, Len: jsonh.Len, Cap: jsonh.Len}
|
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jbytes := *(*[]byte)(unsafe.Pointer(&jsonbh))
|
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if stringify {
|
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jbytes[res.Index] = '"'
|
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copy(jbytes[res.Index+1:], []byte(raw))
|
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jbytes[res.Index+1+len(raw)] = '"'
|
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copy(jbytes[res.Index+1+len(raw)+1:],
|
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jbytes[res.Index+len(res.Raw):])
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} else {
|
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copy(jbytes[res.Index:], []byte(raw))
|
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copy(jbytes[res.Index+len(raw):],
|
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jbytes[res.Index+len(res.Raw):])
|
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}
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return jbytes[:sz], nil
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}
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return nil, nil
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}
|
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buf := make([]byte, 0, sz)
|
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buf = append(buf, jstr[:res.Index]...)
|
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if stringify {
|
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buf = appendStringify(buf, raw)
|
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} else {
|
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buf = append(buf, raw...)
|
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}
|
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buf = append(buf, jstr[res.Index+len(res.Raw):]...)
|
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return buf, nil
|
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}
|
||||
}
|
||||
// parse the path, make sure that it does not contain invalid characters
|
||||
// such as '#', '?', '*'
|
||||
paths := make([]pathResult, 0, 4)
|
||||
r, err := parsePath(path)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
paths = append(paths, r)
|
||||
for r.more {
|
||||
if r, err = parsePath(r.path); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
paths = append(paths, r)
|
||||
}
|
||||
|
||||
njson, err := appendRawPaths(nil, jstr, paths, raw, stringify, del)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return njson, nil
|
||||
}
|
||||
|
||||
// SetOptions sets a json value for the specified path with options.
|
||||
// A path is in dot syntax, such as "name.last" or "age".
|
||||
// This function expects that the json is well-formed, and does not validate.
|
||||
// Invalid json will not panic, but it may return back unexpected results.
|
||||
// An error is returned if the path is not valid.
|
||||
func SetOptions(json, path string, value interface{},
|
||||
opts *Options) (string, error) {
|
||||
if opts != nil {
|
||||
if opts.ReplaceInPlace {
|
||||
// it's not safe to replace bytes in-place for strings
|
||||
// copy the Options and set options.ReplaceInPlace to false.
|
||||
nopts := *opts
|
||||
opts = &nopts
|
||||
opts.ReplaceInPlace = false
|
||||
}
|
||||
}
|
||||
jsonh := *(*reflect.StringHeader)(unsafe.Pointer(&json))
|
||||
jsonbh := reflect.SliceHeader{Data: jsonh.Data, Len: jsonh.Len}
|
||||
jsonb := *(*[]byte)(unsafe.Pointer(&jsonbh))
|
||||
res, err := SetBytesOptions(jsonb, path, value, opts)
|
||||
return string(res), err
|
||||
}
|
||||
|
||||
// SetBytesOptions sets a json value for the specified path with options.
|
||||
// If working with bytes, this method preferred over
|
||||
// SetOptions(string(data), path, value)
|
||||
func SetBytesOptions(json []byte, path string, value interface{},
|
||||
opts *Options) ([]byte, error) {
|
||||
var optimistic, inplace bool
|
||||
if opts != nil {
|
||||
optimistic = opts.Optimistic
|
||||
inplace = opts.ReplaceInPlace
|
||||
}
|
||||
jstr := *(*string)(unsafe.Pointer(&json))
|
||||
var res []byte
|
||||
var err error
|
||||
switch v := value.(type) {
|
||||
default:
|
||||
b, merr := jsongo.Marshal(value)
|
||||
if merr != nil {
|
||||
return nil, merr
|
||||
}
|
||||
raw := *(*string)(unsafe.Pointer(&b))
|
||||
res, err = set(jstr, path, raw, false, false, optimistic, inplace)
|
||||
case dtype:
|
||||
res, err = set(jstr, path, "", false, true, optimistic, inplace)
|
||||
case string:
|
||||
res, err = set(jstr, path, v, true, false, optimistic, inplace)
|
||||
case []byte:
|
||||
raw := *(*string)(unsafe.Pointer(&v))
|
||||
res, err = set(jstr, path, raw, true, false, optimistic, inplace)
|
||||
case bool:
|
||||
if v {
|
||||
res, err = set(jstr, path, "true", false, false, optimistic, inplace)
|
||||
} else {
|
||||
res, err = set(jstr, path, "false", false, false, optimistic, inplace)
|
||||
}
|
||||
case int8:
|
||||
res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
|
||||
false, false, optimistic, inplace)
|
||||
case int16:
|
||||
res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
|
||||
false, false, optimistic, inplace)
|
||||
case int32:
|
||||
res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
|
||||
false, false, optimistic, inplace)
|
||||
case int64:
|
||||
res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
|
||||
false, false, optimistic, inplace)
|
||||
case uint8:
|
||||
res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
|
||||
false, false, optimistic, inplace)
|
||||
case uint16:
|
||||
res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
|
||||
false, false, optimistic, inplace)
|
||||
case uint32:
|
||||
res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
|
||||
false, false, optimistic, inplace)
|
||||
case uint64:
|
||||
res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
|
||||
false, false, optimistic, inplace)
|
||||
case float32:
|
||||
res, err = set(jstr, path, strconv.FormatFloat(float64(v), 'f', -1, 64),
|
||||
false, false, optimistic, inplace)
|
||||
case float64:
|
||||
res, err = set(jstr, path, strconv.FormatFloat(float64(v), 'f', -1, 64),
|
||||
false, false, optimistic, inplace)
|
||||
}
|
||||
if err == errNoChange {
|
||||
return json, nil
|
||||
}
|
||||
return res, err
|
||||
}
|
||||
|
||||
// SetRawBytesOptions sets a raw json value for the specified path with options.
|
||||
// If working with bytes, this method preferred over
|
||||
// SetRawOptions(string(data), path, value, opts)
|
||||
func SetRawBytesOptions(json []byte, path string, value []byte,
|
||||
opts *Options) ([]byte, error) {
|
||||
jstr := *(*string)(unsafe.Pointer(&json))
|
||||
vstr := *(*string)(unsafe.Pointer(&value))
|
||||
var optimistic, inplace bool
|
||||
if opts != nil {
|
||||
optimistic = opts.Optimistic
|
||||
inplace = opts.ReplaceInPlace
|
||||
}
|
||||
res, err := set(jstr, path, vstr, false, false, optimistic, inplace)
|
||||
if err == errNoChange {
|
||||
return json, nil
|
||||
}
|
||||
return res, err
|
||||
}
|
||||
Loading…
Reference in New Issue