mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-23 04:06:39 +00:00
2dc9fc1626
* start moving to bun * changing more stuff * more * and yet more * tests passing * seems stable now * more big changes * small fix * little fixes
335 lines
7.5 KiB
Go
335 lines
7.5 KiB
Go
package pgproto3
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import (
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"bytes"
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"encoding/binary"
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"encoding/json"
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"strconv"
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)
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type ErrorResponse struct {
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Severity string
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SeverityUnlocalized string // only in 9.6 and greater
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Code string
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Message string
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Detail string
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Hint string
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Position int32
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InternalPosition int32
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InternalQuery string
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Where string
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SchemaName string
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TableName string
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ColumnName string
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DataTypeName string
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ConstraintName string
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File string
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Line int32
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Routine string
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UnknownFields map[byte]string
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}
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// Backend identifies this message as sendable by the PostgreSQL backend.
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func (*ErrorResponse) Backend() {}
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// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message
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// type identifier and 4 byte message length.
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func (dst *ErrorResponse) Decode(src []byte) error {
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*dst = ErrorResponse{}
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buf := bytes.NewBuffer(src)
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for {
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k, err := buf.ReadByte()
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if err != nil {
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return err
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}
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if k == 0 {
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break
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}
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vb, err := buf.ReadBytes(0)
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if err != nil {
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return err
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}
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v := string(vb[:len(vb)-1])
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switch k {
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case 'S':
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dst.Severity = v
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case 'V':
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dst.SeverityUnlocalized = v
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case 'C':
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dst.Code = v
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case 'M':
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dst.Message = v
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case 'D':
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dst.Detail = v
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case 'H':
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dst.Hint = v
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case 'P':
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s := v
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n, _ := strconv.ParseInt(s, 10, 32)
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dst.Position = int32(n)
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case 'p':
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s := v
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n, _ := strconv.ParseInt(s, 10, 32)
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dst.InternalPosition = int32(n)
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case 'q':
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dst.InternalQuery = v
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case 'W':
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dst.Where = v
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case 's':
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dst.SchemaName = v
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case 't':
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dst.TableName = v
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case 'c':
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dst.ColumnName = v
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case 'd':
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dst.DataTypeName = v
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case 'n':
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dst.ConstraintName = v
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case 'F':
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dst.File = v
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case 'L':
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s := v
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n, _ := strconv.ParseInt(s, 10, 32)
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dst.Line = int32(n)
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case 'R':
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dst.Routine = v
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default:
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if dst.UnknownFields == nil {
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dst.UnknownFields = make(map[byte]string)
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}
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dst.UnknownFields[k] = v
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}
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}
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return nil
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}
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// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
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func (src *ErrorResponse) Encode(dst []byte) []byte {
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return append(dst, src.marshalBinary('E')...)
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}
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func (src *ErrorResponse) marshalBinary(typeByte byte) []byte {
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var bigEndian BigEndianBuf
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buf := &bytes.Buffer{}
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buf.WriteByte(typeByte)
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buf.Write(bigEndian.Uint32(0))
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if src.Severity != "" {
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buf.WriteByte('S')
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buf.WriteString(src.Severity)
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buf.WriteByte(0)
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}
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if src.SeverityUnlocalized != "" {
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buf.WriteByte('V')
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buf.WriteString(src.SeverityUnlocalized)
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buf.WriteByte(0)
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}
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if src.Code != "" {
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buf.WriteByte('C')
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buf.WriteString(src.Code)
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buf.WriteByte(0)
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}
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if src.Message != "" {
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buf.WriteByte('M')
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buf.WriteString(src.Message)
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buf.WriteByte(0)
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}
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if src.Detail != "" {
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buf.WriteByte('D')
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buf.WriteString(src.Detail)
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buf.WriteByte(0)
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}
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if src.Hint != "" {
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buf.WriteByte('H')
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buf.WriteString(src.Hint)
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buf.WriteByte(0)
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}
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if src.Position != 0 {
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buf.WriteByte('P')
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buf.WriteString(strconv.Itoa(int(src.Position)))
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buf.WriteByte(0)
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}
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if src.InternalPosition != 0 {
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buf.WriteByte('p')
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buf.WriteString(strconv.Itoa(int(src.InternalPosition)))
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buf.WriteByte(0)
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}
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if src.InternalQuery != "" {
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buf.WriteByte('q')
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buf.WriteString(src.InternalQuery)
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buf.WriteByte(0)
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}
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if src.Where != "" {
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buf.WriteByte('W')
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buf.WriteString(src.Where)
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buf.WriteByte(0)
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}
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if src.SchemaName != "" {
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buf.WriteByte('s')
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buf.WriteString(src.SchemaName)
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buf.WriteByte(0)
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}
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if src.TableName != "" {
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buf.WriteByte('t')
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buf.WriteString(src.TableName)
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buf.WriteByte(0)
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}
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if src.ColumnName != "" {
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buf.WriteByte('c')
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buf.WriteString(src.ColumnName)
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buf.WriteByte(0)
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}
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if src.DataTypeName != "" {
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buf.WriteByte('d')
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buf.WriteString(src.DataTypeName)
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buf.WriteByte(0)
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}
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if src.ConstraintName != "" {
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buf.WriteByte('n')
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buf.WriteString(src.ConstraintName)
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buf.WriteByte(0)
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}
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if src.File != "" {
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buf.WriteByte('F')
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buf.WriteString(src.File)
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buf.WriteByte(0)
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}
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if src.Line != 0 {
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buf.WriteByte('L')
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buf.WriteString(strconv.Itoa(int(src.Line)))
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buf.WriteByte(0)
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}
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if src.Routine != "" {
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buf.WriteByte('R')
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buf.WriteString(src.Routine)
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buf.WriteByte(0)
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}
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for k, v := range src.UnknownFields {
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buf.WriteByte(k)
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buf.WriteByte(0)
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buf.WriteString(v)
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buf.WriteByte(0)
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}
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buf.WriteByte(0)
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binary.BigEndian.PutUint32(buf.Bytes()[1:5], uint32(buf.Len()-1))
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return buf.Bytes()
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}
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// MarshalJSON implements encoding/json.Marshaler.
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func (src ErrorResponse) MarshalJSON() ([]byte, error) {
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return json.Marshal(struct {
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Type string
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Severity string
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SeverityUnlocalized string // only in 9.6 and greater
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Code string
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Message string
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Detail string
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Hint string
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Position int32
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InternalPosition int32
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InternalQuery string
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Where string
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SchemaName string
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TableName string
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ColumnName string
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DataTypeName string
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ConstraintName string
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File string
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Line int32
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Routine string
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UnknownFields map[byte]string
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}{
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Type: "ErrorResponse",
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Severity: src.Severity,
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SeverityUnlocalized: src.SeverityUnlocalized,
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Code: src.Code,
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Message: src.Message,
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Detail: src.Detail,
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Hint: src.Hint,
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Position: src.Position,
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InternalPosition: src.InternalPosition,
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InternalQuery: src.InternalQuery,
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Where: src.Where,
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SchemaName: src.SchemaName,
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TableName: src.TableName,
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ColumnName: src.ColumnName,
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DataTypeName: src.DataTypeName,
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ConstraintName: src.ConstraintName,
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File: src.File,
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Line: src.Line,
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Routine: src.Routine,
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UnknownFields: src.UnknownFields,
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})
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}
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// UnmarshalJSON implements encoding/json.Unmarshaler.
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func (dst *ErrorResponse) UnmarshalJSON(data []byte) error {
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// Ignore null, like in the main JSON package.
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if string(data) == "null" {
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return nil
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}
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var msg struct {
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Type string
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Severity string
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SeverityUnlocalized string // only in 9.6 and greater
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Code string
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Message string
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Detail string
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Hint string
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Position int32
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InternalPosition int32
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InternalQuery string
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Where string
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SchemaName string
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TableName string
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ColumnName string
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DataTypeName string
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ConstraintName string
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File string
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Line int32
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Routine string
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UnknownFields map[byte]string
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}
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if err := json.Unmarshal(data, &msg); err != nil {
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return err
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}
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dst.Severity = msg.Severity
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dst.SeverityUnlocalized = msg.SeverityUnlocalized
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dst.Code = msg.Code
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dst.Message = msg.Message
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dst.Detail = msg.Detail
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dst.Hint = msg.Hint
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dst.Position = msg.Position
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dst.InternalPosition = msg.InternalPosition
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dst.InternalQuery = msg.InternalQuery
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dst.Where = msg.Where
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dst.SchemaName = msg.SchemaName
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dst.TableName = msg.TableName
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dst.ColumnName = msg.ColumnName
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dst.DataTypeName = msg.DataTypeName
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dst.ConstraintName = msg.ConstraintName
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dst.File = msg.File
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dst.Line = msg.Line
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dst.Routine = msg.Routine
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dst.UnknownFields = msg.UnknownFields
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return nil
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}
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