mirror of
https://github.com/superseriousbusiness/gotosocial.git
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98263a7de6
* start fixing up tests * fix up tests + automate with drone * fiddle with linting * messing about with drone.yml * some more fiddling * hmmm * add cache * add vendor directory * verbose * ci updates * update some little things * update sig
193 lines
3.2 KiB
Go
193 lines
3.2 KiB
Go
package msgpack
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import (
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"fmt"
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"reflect"
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"github.com/vmihailenco/msgpack/v5/msgpcode"
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)
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func (d *Decoder) bytesLen(c byte) (int, error) {
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if c == msgpcode.Nil {
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return -1, nil
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}
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if msgpcode.IsFixedString(c) {
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return int(c & msgpcode.FixedStrMask), nil
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}
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switch c {
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case msgpcode.Str8, msgpcode.Bin8:
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n, err := d.uint8()
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return int(n), err
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case msgpcode.Str16, msgpcode.Bin16:
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n, err := d.uint16()
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return int(n), err
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case msgpcode.Str32, msgpcode.Bin32:
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n, err := d.uint32()
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return int(n), err
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}
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return 0, fmt.Errorf("msgpack: invalid code=%x decoding string/bytes length", c)
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}
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func (d *Decoder) DecodeString() (string, error) {
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if intern := d.flags&useInternedStringsFlag != 0; intern || len(d.dict) > 0 {
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return d.decodeInternedString(intern)
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}
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c, err := d.readCode()
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if err != nil {
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return "", err
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}
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return d.string(c)
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}
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func (d *Decoder) string(c byte) (string, error) {
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n, err := d.bytesLen(c)
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if err != nil {
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return "", err
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}
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return d.stringWithLen(n)
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}
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func (d *Decoder) stringWithLen(n int) (string, error) {
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if n <= 0 {
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return "", nil
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}
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b, err := d.readN(n)
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return string(b), err
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}
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func decodeStringValue(d *Decoder, v reflect.Value) error {
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s, err := d.DecodeString()
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if err != nil {
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return err
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}
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v.SetString(s)
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return nil
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}
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func (d *Decoder) DecodeBytesLen() (int, error) {
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c, err := d.readCode()
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if err != nil {
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return 0, err
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}
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return d.bytesLen(c)
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}
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func (d *Decoder) DecodeBytes() ([]byte, error) {
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c, err := d.readCode()
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if err != nil {
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return nil, err
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}
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return d.bytes(c, nil)
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}
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func (d *Decoder) bytes(c byte, b []byte) ([]byte, error) {
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n, err := d.bytesLen(c)
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if err != nil {
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return nil, err
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}
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if n == -1 {
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return nil, nil
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}
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return readN(d.r, b, n)
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}
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func (d *Decoder) decodeStringTemp() (string, error) {
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if intern := d.flags&useInternedStringsFlag != 0; intern || len(d.dict) > 0 {
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return d.decodeInternedString(intern)
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}
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c, err := d.readCode()
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if err != nil {
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return "", err
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}
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n, err := d.bytesLen(c)
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if err != nil {
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return "", err
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}
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if n == -1 {
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return "", nil
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}
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b, err := d.readN(n)
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if err != nil {
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return "", err
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}
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return bytesToString(b), nil
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}
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func (d *Decoder) decodeBytesPtr(ptr *[]byte) error {
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c, err := d.readCode()
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if err != nil {
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return err
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}
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return d.bytesPtr(c, ptr)
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}
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func (d *Decoder) bytesPtr(c byte, ptr *[]byte) error {
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n, err := d.bytesLen(c)
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if err != nil {
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return err
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}
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if n == -1 {
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*ptr = nil
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return nil
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}
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*ptr, err = readN(d.r, *ptr, n)
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return err
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}
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func (d *Decoder) skipBytes(c byte) error {
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n, err := d.bytesLen(c)
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if err != nil {
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return err
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}
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if n <= 0 {
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return nil
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}
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return d.skipN(n)
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}
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func decodeBytesValue(d *Decoder, v reflect.Value) error {
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c, err := d.readCode()
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if err != nil {
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return err
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}
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b, err := d.bytes(c, v.Bytes())
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if err != nil {
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return err
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}
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v.SetBytes(b)
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return nil
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}
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func decodeByteArrayValue(d *Decoder, v reflect.Value) error {
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c, err := d.readCode()
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if err != nil {
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return err
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}
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n, err := d.bytesLen(c)
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if err != nil {
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return err
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}
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if n == -1 {
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return nil
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}
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if n > v.Len() {
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return fmt.Errorf("%s len is %d, but msgpack has %d elements", v.Type(), v.Len(), n)
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}
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b := v.Slice(0, n).Bytes()
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return d.readFull(b)
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}
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