package toml
import (
"errors"
"fmt"
"reflect"
"strconv"
)
var (
errArrayMultiType = errors.New("array can't contain multiple types")
)
// LineError is returned by Unmarshal, UnmarshalTable and Parse
// if the error is local to a line.
type LineError struct {
Line int
StructField string
Err error
}
func (err *LineError) Error() string {
field := ""
if err.StructField != "" {
field = "(" + err.StructField + ") "
}
return fmt.Sprintf("line %d: %s%v", err.Line, field, err.Err)
}
func lineError(line int, err error) error {
if err == nil {
return nil
}
if _, ok := err.(*LineError); ok {
return err
}
return &LineError{Line: line, Err: err}
}
func lineErrorField(line int, field string, err error) error {
if lerr, ok := err.(*LineError); ok {
return lerr
} else if err != nil {
err = &LineError{Line: line, StructField: field, Err: err}
}
return err
}
type overflowError struct {
kind reflect.Kind
v string
}
func (err *overflowError) Error() string {
return fmt.Sprintf("value %s is out of range for %v", err.v, err.kind)
}
func convertNumError(kind reflect.Kind, err error) error {
if numerr, ok := err.(*strconv.NumError); ok && numerr.Err == strconv.ErrRange {
return &overflowError{kind, numerr.Num}
}
return err
}
type invalidUnmarshalError struct {
typ reflect.Type
}
func (err *invalidUnmarshalError) Error() string {
if err.typ == nil {
return "toml: Unmarshal(nil)"
}
if err.typ.Kind() != reflect.Ptr {
return "toml: Unmarshal(non-pointer " + err.typ.String() + ")"
}
return "toml: Unmarshal(nil " + err.typ.String() + ")"
}
type unmarshalTypeError struct {
what string
want string
typ reflect.Type
}
func (err *unmarshalTypeError) Error() string {
msg := fmt.Sprintf("cannot unmarshal TOML %s into %s", err.what, err.typ)
if err.want != "" {
msg += " (need " + err.want + ")"
}
return msg
}
type marshalNilError struct {
typ reflect.Type
}
func (err *marshalNilError) Error() string {
return fmt.Sprintf("toml: cannot marshal nil %s", err.typ)
}
type marshalTableError struct {
typ reflect.Type
}
func (err *marshalTableError) Error() string {
return fmt.Sprintf("toml: cannot marshal %s as table, want struct or map type", err.typ)
}