diff options
Diffstat (limited to 'vendor/github.com/jackc/pgx/v5/pgproto3/parse.go')
-rw-r--r-- | vendor/github.com/jackc/pgx/v5/pgproto3/parse.go | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/pgproto3/parse.go b/vendor/github.com/jackc/pgx/v5/pgproto3/parse.go deleted file mode 100644 index 6ba3486cf..000000000 --- a/vendor/github.com/jackc/pgx/v5/pgproto3/parse.go +++ /dev/null @@ -1,89 +0,0 @@ -package pgproto3 - -import ( - "bytes" - "encoding/binary" - "encoding/json" - "errors" - "math" - - "github.com/jackc/pgx/v5/internal/pgio" -) - -type Parse struct { - Name string - Query string - ParameterOIDs []uint32 -} - -// Frontend identifies this message as sendable by a PostgreSQL frontend. -func (*Parse) 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 *Parse) Decode(src []byte) error { - *dst = Parse{} - - buf := bytes.NewBuffer(src) - - b, err := buf.ReadBytes(0) - if err != nil { - return err - } - dst.Name = string(b[:len(b)-1]) - - b, err = buf.ReadBytes(0) - if err != nil { - return err - } - dst.Query = string(b[:len(b)-1]) - - if buf.Len() < 2 { - return &invalidMessageFormatErr{messageType: "Parse"} - } - parameterOIDCount := int(binary.BigEndian.Uint16(buf.Next(2))) - - for i := 0; i < parameterOIDCount; i++ { - if buf.Len() < 4 { - return &invalidMessageFormatErr{messageType: "Parse"} - } - dst.ParameterOIDs = append(dst.ParameterOIDs, binary.BigEndian.Uint32(buf.Next(4))) - } - - return nil -} - -// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length. -func (src *Parse) Encode(dst []byte) ([]byte, error) { - dst, sp := beginMessage(dst, 'P') - - dst = append(dst, src.Name...) - dst = append(dst, 0) - dst = append(dst, src.Query...) - dst = append(dst, 0) - - if len(src.ParameterOIDs) > math.MaxUint16 { - return nil, errors.New("too many parameter oids") - } - dst = pgio.AppendUint16(dst, uint16(len(src.ParameterOIDs))) - for _, oid := range src.ParameterOIDs { - dst = pgio.AppendUint32(dst, oid) - } - - return finishMessage(dst, sp) -} - -// MarshalJSON implements encoding/json.Marshaler. -func (src Parse) MarshalJSON() ([]byte, error) { - return json.Marshal(struct { - Type string - Name string - Query string - ParameterOIDs []uint32 - }{ - Type: "Parse", - Name: src.Name, - Query: src.Query, - ParameterOIDs: src.ParameterOIDs, - }) -} |