summaryrefslogtreecommitdiff
path: root/vendor/github.com/jackc/pgx/v5/pgproto3/bind.go
diff options
context:
space:
mode:
authorLibravatar Terin Stock <terinjokes@gmail.com>2025-03-09 17:47:56 +0100
committerLibravatar Terin Stock <terinjokes@gmail.com>2025-03-10 01:59:49 +0100
commit3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch)
treef61faa581feaaeaba2542b9f2b8234a590684413 /vendor/github.com/jackc/pgx/v5/pgproto3/bind.go
parent[chore] update URLs to forked source (diff)
downloadgotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz
[chore] remove vendor
Diffstat (limited to 'vendor/github.com/jackc/pgx/v5/pgproto3/bind.go')
-rw-r--r--vendor/github.com/jackc/pgx/v5/pgproto3/bind.go223
1 files changed, 0 insertions, 223 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/pgproto3/bind.go b/vendor/github.com/jackc/pgx/v5/pgproto3/bind.go
deleted file mode 100644
index ad6ac48bf..000000000
--- a/vendor/github.com/jackc/pgx/v5/pgproto3/bind.go
+++ /dev/null
@@ -1,223 +0,0 @@
-package pgproto3
-
-import (
- "bytes"
- "encoding/binary"
- "encoding/hex"
- "encoding/json"
- "errors"
- "fmt"
- "math"
-
- "github.com/jackc/pgx/v5/internal/pgio"
-)
-
-type Bind struct {
- DestinationPortal string
- PreparedStatement string
- ParameterFormatCodes []int16
- Parameters [][]byte
- ResultFormatCodes []int16
-}
-
-// Frontend identifies this message as sendable by a PostgreSQL frontend.
-func (*Bind) Frontend() {}
-
-// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message
-// type identifier and 4 byte message length.
-func (dst *Bind) Decode(src []byte) error {
- *dst = Bind{}
-
- idx := bytes.IndexByte(src, 0)
- if idx < 0 {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
- dst.DestinationPortal = string(src[:idx])
- rp := idx + 1
-
- idx = bytes.IndexByte(src[rp:], 0)
- if idx < 0 {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
- dst.PreparedStatement = string(src[rp : rp+idx])
- rp += idx + 1
-
- if len(src[rp:]) < 2 {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
- parameterFormatCodeCount := int(binary.BigEndian.Uint16(src[rp:]))
- rp += 2
-
- if parameterFormatCodeCount > 0 {
- dst.ParameterFormatCodes = make([]int16, parameterFormatCodeCount)
-
- if len(src[rp:]) < len(dst.ParameterFormatCodes)*2 {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
- for i := 0; i < parameterFormatCodeCount; i++ {
- dst.ParameterFormatCodes[i] = int16(binary.BigEndian.Uint16(src[rp:]))
- rp += 2
- }
- }
-
- if len(src[rp:]) < 2 {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
- parameterCount := int(binary.BigEndian.Uint16(src[rp:]))
- rp += 2
-
- if parameterCount > 0 {
- dst.Parameters = make([][]byte, parameterCount)
-
- for i := 0; i < parameterCount; i++ {
- if len(src[rp:]) < 4 {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
-
- msgSize := int(int32(binary.BigEndian.Uint32(src[rp:])))
- rp += 4
-
- // null
- if msgSize == -1 {
- continue
- }
-
- if len(src[rp:]) < msgSize {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
-
- dst.Parameters[i] = src[rp : rp+msgSize]
- rp += msgSize
- }
- }
-
- if len(src[rp:]) < 2 {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
- resultFormatCodeCount := int(binary.BigEndian.Uint16(src[rp:]))
- rp += 2
-
- dst.ResultFormatCodes = make([]int16, resultFormatCodeCount)
- if len(src[rp:]) < len(dst.ResultFormatCodes)*2 {
- return &invalidMessageFormatErr{messageType: "Bind"}
- }
- for i := 0; i < resultFormatCodeCount; i++ {
- dst.ResultFormatCodes[i] = int16(binary.BigEndian.Uint16(src[rp:]))
- rp += 2
- }
-
- return nil
-}
-
-// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
-func (src *Bind) Encode(dst []byte) ([]byte, error) {
- dst, sp := beginMessage(dst, 'B')
-
- dst = append(dst, src.DestinationPortal...)
- dst = append(dst, 0)
- dst = append(dst, src.PreparedStatement...)
- dst = append(dst, 0)
-
- if len(src.ParameterFormatCodes) > math.MaxUint16 {
- return nil, errors.New("too many parameter format codes")
- }
- dst = pgio.AppendUint16(dst, uint16(len(src.ParameterFormatCodes)))
- for _, fc := range src.ParameterFormatCodes {
- dst = pgio.AppendInt16(dst, fc)
- }
-
- if len(src.Parameters) > math.MaxUint16 {
- return nil, errors.New("too many parameters")
- }
- dst = pgio.AppendUint16(dst, uint16(len(src.Parameters)))
- for _, p := range src.Parameters {
- if p == nil {
- dst = pgio.AppendInt32(dst, -1)
- continue
- }
-
- dst = pgio.AppendInt32(dst, int32(len(p)))
- dst = append(dst, p...)
- }
-
- if len(src.ResultFormatCodes) > math.MaxUint16 {
- return nil, errors.New("too many result format codes")
- }
- dst = pgio.AppendUint16(dst, uint16(len(src.ResultFormatCodes)))
- for _, fc := range src.ResultFormatCodes {
- dst = pgio.AppendInt16(dst, fc)
- }
-
- return finishMessage(dst, sp)
-}
-
-// MarshalJSON implements encoding/json.Marshaler.
-func (src Bind) MarshalJSON() ([]byte, error) {
- formattedParameters := make([]map[string]string, len(src.Parameters))
- for i, p := range src.Parameters {
- if p == nil {
- continue
- }
-
- textFormat := true
- if len(src.ParameterFormatCodes) == 1 {
- textFormat = src.ParameterFormatCodes[0] == 0
- } else if len(src.ParameterFormatCodes) > 1 {
- textFormat = src.ParameterFormatCodes[i] == 0
- }
-
- if textFormat {
- formattedParameters[i] = map[string]string{"text": string(p)}
- } else {
- formattedParameters[i] = map[string]string{"binary": hex.EncodeToString(p)}
- }
- }
-
- return json.Marshal(struct {
- Type string
- DestinationPortal string
- PreparedStatement string
- ParameterFormatCodes []int16
- Parameters []map[string]string
- ResultFormatCodes []int16
- }{
- Type: "Bind",
- DestinationPortal: src.DestinationPortal,
- PreparedStatement: src.PreparedStatement,
- ParameterFormatCodes: src.ParameterFormatCodes,
- Parameters: formattedParameters,
- ResultFormatCodes: src.ResultFormatCodes,
- })
-}
-
-// UnmarshalJSON implements encoding/json.Unmarshaler.
-func (dst *Bind) UnmarshalJSON(data []byte) error {
- // Ignore null, like in the main JSON package.
- if string(data) == "null" {
- return nil
- }
-
- var msg struct {
- DestinationPortal string
- PreparedStatement string
- ParameterFormatCodes []int16
- Parameters []map[string]string
- ResultFormatCodes []int16
- }
- err := json.Unmarshal(data, &msg)
- if err != nil {
- return err
- }
- dst.DestinationPortal = msg.DestinationPortal
- dst.PreparedStatement = msg.PreparedStatement
- dst.ParameterFormatCodes = msg.ParameterFormatCodes
- dst.Parameters = make([][]byte, len(msg.Parameters))
- dst.ResultFormatCodes = msg.ResultFormatCodes
- for n, parameter := range msg.Parameters {
- dst.Parameters[n], err = getValueFromJSON(parameter)
- if err != nil {
- return fmt.Errorf("cannot get param %d: %w", n, err)
- }
- }
- return nil
-}