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* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1 * github.com/blevesearch/bleve v1.0.10 -> v1.0.12 * editorconfig-core-go v2.1.1 -> v2.3.7 * github.com/gliderlabs/ssh v0.2.2 -> v0.3.1 * migrate editorconfig.ParseBytes to Parse * github.com/shurcooL/vfsgen to 0d455de96546 * github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0 * github.com/google/uuid v1.1.1 -> v1.1.2 * github.com/huandu/xstrings v1.3.0 -> v1.3.2 * github.com/klauspost/compress v1.10.11 -> v1.11.1 * github.com/markbates/goth v1.61.2 -> v1.65.0 * github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4 * github.com/mholt/archiver v3.3.0 -> v3.3.2 * github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4 * github.com/minio/minio-go v7.0.4 -> v7.0.5 * github.com/olivere/elastic v7.0.9 -> v7.0.20 * github.com/urfave/cli v1.20.0 -> v1.22.4 * github.com/prometheus/client_golang v1.1.0 -> v1.8.0 * github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1 * mvdan.cc/xurls v2.1.0 -> v2.2.0 Co-authored-by: Lauris BH <lauris@nix.lv>
115 lines
3.1 KiB
Go
Vendored
115 lines
3.1 KiB
Go
Vendored
// Package easyjson contains marshaler/unmarshaler interfaces and helper functions.
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package easyjson
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import (
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"io"
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"io/ioutil"
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"net/http"
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"strconv"
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"unsafe"
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"github.com/mailru/easyjson/jlexer"
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"github.com/mailru/easyjson/jwriter"
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)
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// Marshaler is an easyjson-compatible marshaler interface.
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type Marshaler interface {
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MarshalEasyJSON(w *jwriter.Writer)
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}
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// Marshaler is an easyjson-compatible unmarshaler interface.
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type Unmarshaler interface {
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UnmarshalEasyJSON(w *jlexer.Lexer)
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}
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// MarshalerUnmarshaler is an easyjson-compatible marshaler/unmarshaler interface.
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type MarshalerUnmarshaler interface {
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Marshaler
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Unmarshaler
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}
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// Optional defines an undefined-test method for a type to integrate with 'omitempty' logic.
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type Optional interface {
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IsDefined() bool
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}
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// UnknownsUnmarshaler provides a method to unmarshal unknown struct fileds and save them as you want
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type UnknownsUnmarshaler interface {
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UnmarshalUnknown(in *jlexer.Lexer, key string)
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}
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// UnknownsMarshaler provides a method to write additional struct fields
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type UnknownsMarshaler interface {
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MarshalUnknowns(w *jwriter.Writer, first bool)
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}
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func isNilInterface(i interface{}) bool {
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return (*[2]uintptr)(unsafe.Pointer(&i))[1] == 0
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}
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// Marshal returns data as a single byte slice. Method is suboptimal as the data is likely to be copied
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// from a chain of smaller chunks.
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func Marshal(v Marshaler) ([]byte, error) {
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if isNilInterface(v) {
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return nullBytes, nil
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}
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w := jwriter.Writer{}
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v.MarshalEasyJSON(&w)
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return w.BuildBytes()
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}
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// MarshalToWriter marshals the data to an io.Writer.
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func MarshalToWriter(v Marshaler, w io.Writer) (written int, err error) {
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if isNilInterface(v) {
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return w.Write(nullBytes)
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}
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jw := jwriter.Writer{}
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v.MarshalEasyJSON(&jw)
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return jw.DumpTo(w)
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}
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// MarshalToHTTPResponseWriter sets Content-Length and Content-Type headers for the
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// http.ResponseWriter, and send the data to the writer. started will be equal to
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// false if an error occurred before any http.ResponseWriter methods were actually
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// invoked (in this case a 500 reply is possible).
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func MarshalToHTTPResponseWriter(v Marshaler, w http.ResponseWriter) (started bool, written int, err error) {
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if isNilInterface(v) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Content-Length", strconv.Itoa(len(nullBytes)))
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written, err = w.Write(nullBytes)
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return true, written, err
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}
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jw := jwriter.Writer{}
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v.MarshalEasyJSON(&jw)
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if jw.Error != nil {
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return false, 0, jw.Error
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}
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Content-Length", strconv.Itoa(jw.Size()))
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started = true
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written, err = jw.DumpTo(w)
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return
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}
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// Unmarshal decodes the JSON in data into the object.
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func Unmarshal(data []byte, v Unmarshaler) error {
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l := jlexer.Lexer{Data: data}
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v.UnmarshalEasyJSON(&l)
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return l.Error()
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}
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// UnmarshalFromReader reads all the data in the reader and decodes as JSON into the object.
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func UnmarshalFromReader(r io.Reader, v Unmarshaler) error {
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data, err := ioutil.ReadAll(r)
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if err != nil {
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return err
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}
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l := jlexer.Lexer{Data: data}
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v.UnmarshalEasyJSON(&l)
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return l.Error()
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}
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