12a1f914f4
* 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>
406 lines
9.9 KiB
Go
Vendored
406 lines
9.9 KiB
Go
Vendored
// Package jwriter contains a JSON writer.
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package jwriter
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import (
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"io"
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"strconv"
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"unicode/utf8"
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"github.com/mailru/easyjson/buffer"
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)
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// Flags describe various encoding options. The behavior may be actually implemented in the encoder, but
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// Flags field in Writer is used to set and pass them around.
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type Flags int
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const (
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NilMapAsEmpty Flags = 1 << iota // Encode nil map as '{}' rather than 'null'.
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NilSliceAsEmpty // Encode nil slice as '[]' rather than 'null'.
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)
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// Writer is a JSON writer.
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type Writer struct {
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Flags Flags
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Error error
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Buffer buffer.Buffer
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NoEscapeHTML bool
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}
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// Size returns the size of the data that was written out.
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func (w *Writer) Size() int {
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return w.Buffer.Size()
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}
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// DumpTo outputs the data to given io.Writer, resetting the buffer.
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func (w *Writer) DumpTo(out io.Writer) (written int, err error) {
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return w.Buffer.DumpTo(out)
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}
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// BuildBytes returns writer data as a single byte slice. You can optionally provide one byte slice
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// as argument that it will try to reuse.
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func (w *Writer) BuildBytes(reuse ...[]byte) ([]byte, error) {
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if w.Error != nil {
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return nil, w.Error
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}
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return w.Buffer.BuildBytes(reuse...), nil
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}
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// ReadCloser returns an io.ReadCloser that can be used to read the data.
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// ReadCloser also resets the buffer.
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func (w *Writer) ReadCloser() (io.ReadCloser, error) {
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if w.Error != nil {
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return nil, w.Error
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}
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return w.Buffer.ReadCloser(), nil
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}
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// RawByte appends raw binary data to the buffer.
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func (w *Writer) RawByte(c byte) {
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w.Buffer.AppendByte(c)
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}
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// RawByte appends raw binary data to the buffer.
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func (w *Writer) RawString(s string) {
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w.Buffer.AppendString(s)
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}
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// Raw appends raw binary data to the buffer or sets the error if it is given. Useful for
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// calling with results of MarshalJSON-like functions.
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func (w *Writer) Raw(data []byte, err error) {
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switch {
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case w.Error != nil:
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return
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case err != nil:
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w.Error = err
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case len(data) > 0:
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w.Buffer.AppendBytes(data)
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default:
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w.RawString("null")
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}
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}
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// RawText encloses raw binary data in quotes and appends in to the buffer.
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// Useful for calling with results of MarshalText-like functions.
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func (w *Writer) RawText(data []byte, err error) {
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switch {
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case w.Error != nil:
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return
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case err != nil:
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w.Error = err
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case len(data) > 0:
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w.String(string(data))
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default:
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w.RawString("null")
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}
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}
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// Base64Bytes appends data to the buffer after base64 encoding it
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func (w *Writer) Base64Bytes(data []byte) {
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if data == nil {
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w.Buffer.AppendString("null")
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return
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}
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w.Buffer.AppendByte('"')
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w.base64(data)
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w.Buffer.AppendByte('"')
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}
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func (w *Writer) Uint8(n uint8) {
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w.Buffer.EnsureSpace(3)
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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}
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func (w *Writer) Uint16(n uint16) {
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w.Buffer.EnsureSpace(5)
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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}
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func (w *Writer) Uint32(n uint32) {
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w.Buffer.EnsureSpace(10)
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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}
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func (w *Writer) Uint(n uint) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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}
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func (w *Writer) Uint64(n uint64) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, n, 10)
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}
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func (w *Writer) Int8(n int8) {
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w.Buffer.EnsureSpace(4)
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, int64(n), 10)
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}
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func (w *Writer) Int16(n int16) {
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w.Buffer.EnsureSpace(6)
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, int64(n), 10)
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}
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func (w *Writer) Int32(n int32) {
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w.Buffer.EnsureSpace(11)
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, int64(n), 10)
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}
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func (w *Writer) Int(n int) {
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w.Buffer.EnsureSpace(21)
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, int64(n), 10)
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}
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func (w *Writer) Int64(n int64) {
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w.Buffer.EnsureSpace(21)
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, n, 10)
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}
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func (w *Writer) Uint8Str(n uint8) {
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w.Buffer.EnsureSpace(3)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Uint16Str(n uint16) {
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w.Buffer.EnsureSpace(5)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Uint32Str(n uint32) {
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w.Buffer.EnsureSpace(10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) UintStr(n uint) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Uint64Str(n uint64) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, n, 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) UintptrStr(n uintptr) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendUint(w.Buffer.Buf, uint64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Int8Str(n int8) {
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w.Buffer.EnsureSpace(4)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, int64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Int16Str(n int16) {
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w.Buffer.EnsureSpace(6)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, int64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Int32Str(n int32) {
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w.Buffer.EnsureSpace(11)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, int64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) IntStr(n int) {
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w.Buffer.EnsureSpace(21)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, int64(n), 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Int64Str(n int64) {
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w.Buffer.EnsureSpace(21)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendInt(w.Buffer.Buf, n, 10)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Float32(n float32) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = strconv.AppendFloat(w.Buffer.Buf, float64(n), 'g', -1, 32)
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}
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func (w *Writer) Float32Str(n float32) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendFloat(w.Buffer.Buf, float64(n), 'g', -1, 32)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Float64(n float64) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = strconv.AppendFloat(w.Buffer.Buf, n, 'g', -1, 64)
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}
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func (w *Writer) Float64Str(n float64) {
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w.Buffer.EnsureSpace(20)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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w.Buffer.Buf = strconv.AppendFloat(w.Buffer.Buf, float64(n), 'g', -1, 64)
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w.Buffer.Buf = append(w.Buffer.Buf, '"')
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}
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func (w *Writer) Bool(v bool) {
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w.Buffer.EnsureSpace(5)
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if v {
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w.Buffer.Buf = append(w.Buffer.Buf, "true"...)
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} else {
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w.Buffer.Buf = append(w.Buffer.Buf, "false"...)
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}
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}
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const chars = "0123456789abcdef"
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func getTable(falseValues ...int) [128]bool {
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table := [128]bool{}
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for i := 0; i < 128; i++ {
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table[i] = true
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}
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for _, v := range falseValues {
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table[v] = false
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}
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return table
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}
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var (
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htmlEscapeTable = getTable(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, '"', '&', '<', '>', '\\')
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htmlNoEscapeTable = getTable(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, '"', '\\')
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)
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func (w *Writer) String(s string) {
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w.Buffer.AppendByte('"')
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// Portions of the string that contain no escapes are appended as
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// byte slices.
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p := 0 // last non-escape symbol
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escapeTable := &htmlEscapeTable
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if w.NoEscapeHTML {
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escapeTable = &htmlNoEscapeTable
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}
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for i := 0; i < len(s); {
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c := s[i]
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if c < utf8.RuneSelf {
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if escapeTable[c] {
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// single-width character, no escaping is required
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i++
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continue
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}
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w.Buffer.AppendString(s[p:i])
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switch c {
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case '\t':
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w.Buffer.AppendString(`\t`)
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case '\r':
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w.Buffer.AppendString(`\r`)
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case '\n':
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w.Buffer.AppendString(`\n`)
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case '\\':
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w.Buffer.AppendString(`\\`)
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case '"':
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w.Buffer.AppendString(`\"`)
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default:
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w.Buffer.AppendString(`\u00`)
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w.Buffer.AppendByte(chars[c>>4])
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w.Buffer.AppendByte(chars[c&0xf])
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}
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i++
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p = i
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continue
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}
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// broken utf
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runeValue, runeWidth := utf8.DecodeRuneInString(s[i:])
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if runeValue == utf8.RuneError && runeWidth == 1 {
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w.Buffer.AppendString(s[p:i])
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w.Buffer.AppendString(`\ufffd`)
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i++
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p = i
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continue
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}
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// jsonp stuff - tab separator and line separator
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if runeValue == '\u2028' || runeValue == '\u2029' {
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w.Buffer.AppendString(s[p:i])
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w.Buffer.AppendString(`\u202`)
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w.Buffer.AppendByte(chars[runeValue&0xf])
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i += runeWidth
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p = i
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continue
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}
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i += runeWidth
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}
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w.Buffer.AppendString(s[p:])
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w.Buffer.AppendByte('"')
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}
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const encode = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
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const padChar = '='
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func (w *Writer) base64(in []byte) {
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if len(in) == 0 {
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return
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}
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w.Buffer.EnsureSpace(((len(in)-1)/3 + 1) * 4)
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si := 0
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n := (len(in) / 3) * 3
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for si < n {
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// Convert 3x 8bit source bytes into 4 bytes
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val := uint(in[si+0])<<16 | uint(in[si+1])<<8 | uint(in[si+2])
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w.Buffer.Buf = append(w.Buffer.Buf, encode[val>>18&0x3F], encode[val>>12&0x3F], encode[val>>6&0x3F], encode[val&0x3F])
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si += 3
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}
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remain := len(in) - si
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if remain == 0 {
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return
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}
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// Add the remaining small block
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val := uint(in[si+0]) << 16
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if remain == 2 {
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val |= uint(in[si+1]) << 8
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}
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w.Buffer.Buf = append(w.Buffer.Buf, encode[val>>18&0x3F], encode[val>>12&0x3F])
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switch remain {
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case 2:
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w.Buffer.Buf = append(w.Buffer.Buf, encode[val>>6&0x3F], byte(padChar))
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case 1:
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w.Buffer.Buf = append(w.Buffer.Buf, byte(padChar), byte(padChar))
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}
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}
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