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// Copyright 2022 PerimeterX. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package marshmallow
import (
"errors"
"fmt"
"github.com/mailru/easyjson/jlexer"
"reflect"
"strings"
)
var (
// ErrInvalidInput indicates the input JSON is invalid
ErrInvalidInput = errors.New("invalid JSON input")
// ErrInvalidValue indicates the target struct has invalid type
ErrInvalidValue = errors.New("unexpected non struct value")
)
// MultipleLexerError indicates one or more unmarshalling errors during JSON bytes decode
type MultipleLexerError struct {
Errors []*jlexer.LexerError
}
func (m *MultipleLexerError) Error() string {
errs := make([]string, len(m.Errors))
for i, lexerError := range m.Errors {
errs[i] = lexerError.Error()
}
return strings.Join(errs, ", ")
}
// MultipleError indicates one or more unmarshalling errors during JSON map decode
type MultipleError struct {
Errors []error
}
func (m *MultipleError) Error() string {
errs := make([]string, len(m.Errors))
for i, lexerError := range m.Errors {
errs[i] = lexerError.Error()
}
return strings.Join(errs, ", ")
}
// ParseError indicates a JSON map decode error
type ParseError struct {
Reason string
Path string
}
func (p *ParseError) Error() string {
return fmt.Sprintf("parse error: %s in %s", p.Reason, p.Path)
}
func newUnexpectedTypeParseError(expectedType reflect.Type, path []string) *ParseError {
return &ParseError{
Reason: fmt.Sprintf("expected type %s", externalTypeName(expectedType)),
Path: strings.Join(path, "."),
}
}
func newUnsupportedTypeParseError(unsupportedType reflect.Type, path []string) *ParseError {
return &ParseError{
Reason: fmt.Sprintf("unsupported type %s", externalTypeName(unsupportedType)),
Path: strings.Join(path, "."),
}
}
func addUnexpectedTypeLexerError(lexer *jlexer.Lexer, expectedType reflect.Type) {
lexer.AddNonFatalError(fmt.Errorf("expected type %s", externalTypeName(expectedType)))
}
func addUnsupportedTypeLexerError(lexer *jlexer.Lexer, unsupportedType reflect.Type) {
lexer.AddNonFatalError(fmt.Errorf("unsupported type %s", externalTypeName(unsupportedType)))
}
func externalTypeName(t reflect.Type) string {
switch t.Kind() {
case reflect.String:
return "string"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint,
reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr, reflect.Float32,
reflect.Float64, reflect.Complex64, reflect.Complex128:
return "number"
case reflect.Bool:
return "boolean"
case reflect.Array, reflect.Slice:
return "array"
case reflect.Interface:
return "any"
case reflect.Map, reflect.Struct:
return "object"
case reflect.Ptr:
return externalTypeName(t.Elem())
}
return "invalid"
}
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