git.gammaspectra.live/P2Pool/go-json@v0.99.0/internal/errors/error.go (about) 1 package errors 2 3 import ( 4 "fmt" 5 "reflect" 6 "strconv" 7 ) 8 9 type InvalidUTF8Error struct { 10 S string // the whole string value that caused the error 11 } 12 13 func (e *InvalidUTF8Error) Error() string { 14 return fmt.Sprintf("json: invalid UTF-8 in string: %s", strconv.Quote(e.S)) 15 } 16 17 type InvalidUnmarshalError struct { 18 Type reflect.Type 19 } 20 21 func (e *InvalidUnmarshalError) Error() string { 22 if e.Type == nil { 23 return "json: Unmarshal(nil)" 24 } 25 26 if e.Type.Kind() != reflect.Ptr { 27 return fmt.Sprintf("json: Unmarshal(non-pointer %s)", e.Type) 28 } 29 return fmt.Sprintf("json: Unmarshal(nil %s)", e.Type) 30 } 31 32 // A MarshalerError represents an error from calling a MarshalJSON or MarshalText method. 33 type MarshalerError struct { 34 Type reflect.Type 35 Err error 36 sourceFunc string 37 } 38 39 func (e *MarshalerError) Error() string { 40 srcFunc := e.sourceFunc 41 if srcFunc == "" { 42 srcFunc = "MarshalJSON" 43 } 44 return fmt.Sprintf("json: error calling %s for type %s: %s", srcFunc, e.Type, e.Err.Error()) 45 } 46 47 // Unwrap returns the underlying error. 48 func (e *MarshalerError) Unwrap() error { return e.Err } 49 50 // A SyntaxError is a description of a JSON syntax error. 51 type SyntaxError struct { 52 msg string // description of error 53 Offset int64 // error occurred after reading Offset bytes 54 } 55 56 func (e *SyntaxError) Error() string { return e.msg } 57 58 // An UnmarshalFieldError describes a JSON object key that 59 // led to an unexported (and therefore unwritable) struct field. 60 // 61 // Deprecated: No longer used; kept for compatibility. 62 type UnmarshalFieldError struct { 63 Key string 64 Type reflect.Type 65 Field reflect.StructField 66 } 67 68 func (e *UnmarshalFieldError) Error() string { 69 return fmt.Sprintf("json: cannot unmarshal object key %s into unexported field %s of type %s", 70 strconv.Quote(e.Key), e.Field.Name, e.Type.String(), 71 ) 72 } 73 74 // An UnmarshalTypeError describes a JSON value that was 75 // not appropriate for a value of a specific Go type. 76 type UnmarshalTypeError struct { 77 Value string // description of JSON value - "bool", "array", "number -5" 78 Type reflect.Type // type of Go value it could not be assigned to 79 Offset int64 // error occurred after reading Offset bytes 80 Struct string // name of the struct type containing the field 81 Field string // the full path from root node to the field 82 } 83 84 func (e *UnmarshalTypeError) Error() string { 85 if e.Struct != "" || e.Field != "" { 86 return fmt.Sprintf("json: cannot unmarshal %s into Go struct field %s.%s of type %s", 87 e.Value, e.Struct, e.Field, e.Type, 88 ) 89 } 90 return fmt.Sprintf("json: cannot unmarshal %s into Go value of type %s", e.Value, e.Type) 91 } 92 93 // An UnsupportedTypeError is returned by Marshal when attempting 94 // to encode an unsupported value type. 95 type UnsupportedTypeError struct { 96 Type reflect.Type 97 } 98 99 func (e *UnsupportedTypeError) Error() string { 100 return fmt.Sprintf("json: unsupported type: %s", e.Type) 101 } 102 103 type UnsupportedValueError struct { 104 Value reflect.Value 105 Str string 106 } 107 108 func (e *UnsupportedValueError) Error() string { 109 return fmt.Sprintf("json: unsupported value: %s", e.Str) 110 } 111 112 func ErrSyntax(msg string, offset int64) *SyntaxError { 113 return &SyntaxError{msg: msg, Offset: offset} 114 } 115 116 func ErrMarshaler(typ reflect.Type, err error, msg string) *MarshalerError { 117 return &MarshalerError{ 118 Type: typ, 119 Err: err, 120 sourceFunc: msg, 121 } 122 } 123 124 func ErrExceededMaxDepth(c byte, cursor int64) *SyntaxError { 125 return &SyntaxError{ 126 msg: fmt.Sprintf(`invalid character "%c" exceeded max depth`, c), 127 Offset: cursor, 128 } 129 } 130 131 func ErrNotAtBeginningOfValue(cursor int64) *SyntaxError { 132 return &SyntaxError{msg: "not at beginning of value", Offset: cursor} 133 } 134 135 func ErrUnexpectedEndOfJSON(msg string, cursor int64) *SyntaxError { 136 return &SyntaxError{ 137 msg: fmt.Sprintf("json: %s unexpected end of JSON input", msg), 138 Offset: cursor, 139 } 140 } 141 142 func ErrExpected(msg string, cursor int64) *SyntaxError { 143 return &SyntaxError{msg: fmt.Sprintf("expected %s", msg), Offset: cursor} 144 } 145 146 func ErrInvalidCharacter(c byte, context string, cursor int64) *SyntaxError { 147 if c == 0 { 148 return &SyntaxError{ 149 msg: fmt.Sprintf("json: invalid character as %s", context), 150 Offset: cursor, 151 } 152 } 153 return &SyntaxError{ 154 msg: fmt.Sprintf("json: invalid character %c as %s", c, context), 155 Offset: cursor, 156 } 157 } 158 159 func ErrInvalidBeginningOfValue(c byte, cursor int64) *SyntaxError { 160 return &SyntaxError{ 161 msg: fmt.Sprintf("invalid character '%c' looking for beginning of value", c), 162 Offset: cursor, 163 } 164 } 165 166 type PathError struct { 167 msg string 168 } 169 170 func (e *PathError) Error() string { 171 return fmt.Sprintf("json: invalid path format: %s", e.msg) 172 } 173 174 func ErrInvalidPath(msg string, args ...interface{}) *PathError { 175 if len(args) != 0 { 176 return &PathError{msg: fmt.Sprintf(msg, args...)} 177 } 178 return &PathError{msg: msg} 179 } 180 181 func ErrEmptyPath() *PathError { 182 return &PathError{msg: "path is empty"} 183 }