validator

package
v1.4.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 3, 2023 License: Apache-2.0 Imports: 19 Imported by: 0

Documentation

Index

Examples

Constants

View Source 
const (
	TagValidate = "validate"
	TagDefault  = "default"
	TagErrMsg   = "errMsg"
)

Variables

View Source 
var (
	TargetFloatValue                = "float value"
	TargetDecimalDigitsOfFloatValue = "decimal digits of float value"
	TargetTotalDigitsOfFloatValue   = "total digits of float value"
)
View Source 
var (
	TargetStringLength = "string length"
	TargetStringValue  = "string value"
)
View Source 
var DefaultFactory = NewFactory()
View Source 
var StrLenModes = map[StrLenMode]func(s string) uint64{
	STR_LEN_MODE__LENGTH:     func(s string) uint64 { return uint64(len(s)) },
	STR_LEN_MODE__RUNE_COUNT: func(s string) uint64 { return uint64(utf8.RuneCount([]byte(s))) },
}
View Source 
var (
	TargetIntValue = "int value"
)
View Source 
var (
	TargetMapLength = "map length"
)
View Source 
var TargetSliceLength = "slice length"
View Source 
var TargetUintValue = "uint value"

Functions

func ContextWithFactory 

func ContextWithFactory(ctx context.Context, c Factory) context.Context

func ContextWithTagKey 

func ContextWithTagKey(ctx context.Context, namedTagKey string) context.Context

func FloatLengthOfDigit 

func FloatLengthOfDigit(f float64) (uint, uint)

func FloatRuleParam 

func FloatRuleParam(r *Rule) (digits uint64, decimal *uint64, err error)

func FloatRuleRange 

func FloatRuleRange(r *Rule, digits uint, decimal *uint) (*float64, *float64, error)

func FloatRuleValues 

func FloatRuleValues(r *Rule, digits uint, decimal *uint) (multiple float64, enums map[float64]string, err error)

func IntRuleBitSize 

func IntRuleBitSize(r *Rule) (bits uint64, err error)

func IntRuleRange 

func IntRuleRange(r *Rule, bits uint) (*int64, *int64, error)

func IntRuleValues 

func IntRuleValues(r *Rule, bits int) (multiple int64, enums map[int64]string, err error)

func IsFloatMultipleOf 

func IsFloatMultipleOf(v float64, div float64, decimal uint) bool

func MaxInt 

func MaxInt(bits uint) int64

func MaxUint 

func MaxUint(bits uint) uint64

func MinInt 

func MinInt(bits uint) int64

func NewFactory 

func NewFactory() *factory

func ParseFloatValue 

func ParseFloatValue(b []byte, digits uint, decimal *uint) (float64, error)

func RangeFromUint 

func RangeFromUint(min uint64, max *uint64) []*rules.Lit

func StringRuleValues 

func StringRuleValues(r *Rule) map[string]string

func TagKeyFromContext 

func TagKeyFromContext(ctx context.Context) string

func UintRuleBitSize 

func UintRuleBitSize(r *Rule) (bits uint64, err error)

func UintRuleRange 

func UintRuleRange(r *Rule, typ string, bits uint) (uint64, *uint64, error)

func UintRuleValues 

func UintRuleValues(r *Rule, bits int) (multiple uint64, enums map[uint64]string, err error)

Types

type CanValidate 

type CanValidate interface {
	Validate() error
}

type Creator 

type Creator interface {
	Names() []string
	New(context.Context, *Rule) (Validator, error)
}

Creator interface can new a validator

type Factory 

type Factory interface {
	Compile(context.Context, []byte, typesx.Type, ...Processor) (Validator, error)
}

func FactoryFromContext 

func FactoryFromContext(ctx context.Context) Factory

type Float 

type Float struct {
	MaxDigits     uint
	DecimalDigits *uint

	Minimum          *float64
	Maximum          *float64
	ExclusiveMaximum bool
	ExclusiveMinimum bool

	MultipleOf float64

	Enums map[float64]string
}

func (Float) Names 

func (Float) Names() []string

func (Float) New 

func (Float) New(ctx context.Context, r *Rule) (Validator, error)

func (*Float) SetDefault 

func (vf *Float) SetDefault()

func (*Float) String 

func (vf *Float) String() string

func (*Float) TypeCheck 

func (vf *Float) TypeCheck(r *Rule) error

func (*Float) Validate 

func (vf *Float) Validate(v interface{}) error

type Int 

type Int struct {
	BitSize uint

	Minimum          *int64
	Maximum          *int64
	MultipleOf       int64
	ExclusiveMaximum bool
	ExclusiveMinimum bool

	Enums map[int64]string
}

func (Int) Names 

func (Int) Names() []string

func (Int) New 

func (Int) New(ctx context.Context, r *Rule) (Validator, error)

func (*Int) SetDefault 

func (vi *Int) SetDefault()

func (*Int) String 

func (vi *Int) String() string

func (*Int) TypeCheck 

func (vi *Int) TypeCheck(r *Rule) error

func (*Int) Validate 

func (vi *Int) Validate(v interface{}) error

type Loader 

type Loader struct {
	Creator Creator
	Validator
	PreprocessStage

	DftValue []byte
	Optional bool
	ErrMsg   []byte
}

Loader load from creator

func NewLoader 

func NewLoader(c Creator) *Loader

func (*Loader) New 

func (l *Loader) New(ctx context.Context, rule *Rule) (Validator, error)

func (*Loader) String 

func (l *Loader) String() string

func (*Loader) Validate 

func (l *Loader) Validate(v interface{}) error

type Map 

type Map struct {
	MinProperties uint64
	MaxProperties *uint64

	KeyValidator  Validator
	ElemValidator Validator
}

func (Map) Names 

func (Map) Names() []string

func (*Map) New 

func (vm *Map) New(ctx context.Context, r *Rule) (Validator, error)

func (*Map) String 

func (vm *Map) String() string

func (*Map) Validate 

func (vm *Map) Validate(v interface{}) error

func (*Map) ValidateReflectValue 

func (vm *Map) ValidateReflectValue(rv reflect.Value) error

type Modifier 

type Modifier interface {
	SetOptional(opt bool)
	SetDefaultValue(dft []byte)
	SetErrMsg(err []byte)
}

Modifier can change rule's option

type PreprocessStage 

type PreprocessStage int
const (
	PreprocessSkip PreprocessStage = iota
	PreprocessString
	PreprocessPtr
)

type Processor 

type Processor = func(rule Modifier)

type Rule 

type Rule struct {
	*rules.Rule
	ErrMsg []byte
	Type   typesx.Type
}

Rule with internal error message and type identifier

func MustParseRuleByType 

func MustParseRuleByType(r []byte, t typesx.Type) *Rule

func MustParseRuleStringByType 

func MustParseRuleStringByType(r string, t typesx.Type) *Rule

func ParseRuleByType 

func ParseRuleByType(r []byte, t typesx.Type) (*Rule, error)

func ParseRuleStringByType 

func ParseRuleStringByType(r string, t typesx.Type) (*Rule, error)

func (*Rule) SetDefaultValue 

func (r *Rule) SetDefaultValue(dft []byte)

func (*Rule) SetErrMsg 

func (r *Rule) SetErrMsg(msg []byte)

func (*Rule) SetOptional 

func (r *Rule) SetOptional(opt bool)

func (*Rule) String 

func (r *Rule) String() string

type Slice 

type Slice struct {
	ElemValidator Validator

	MinItems uint64
	MaxItems *uint64
}

func (Slice) Names 

func (Slice) Names() []string

func (Slice) New 

func (Slice) New(ctx context.Context, r *Rule) (Validator, error)

func (*Slice) String 

func (vs *Slice) String() string

func (*Slice) TypeCheck 

func (vs *Slice) TypeCheck(r *Rule) error

func (*Slice) Validate 

func (vs *Slice) Validate(v interface{}) error

func (*Slice) ValidateReflectValue 

func (vs *Slice) ValidateReflectValue(rv reflect.Value) error

type StrFmt 

type StrFmt struct {
	// contains filtered or unexported fields
}

func NewRegexpStrfmtValidator 

func NewRegexpStrfmtValidator(expr string, name string, aliases ...string) *StrFmt
Example 
fmt.Println(AlphaValidator.Validate("a"))
fmt.Println(AlphaValidator.Validate("1"))
fmt.Println(EmailValidator.Validate("a.b.c+123@xxx.com"))

Output:

<nil>
alpha ^[a-zA-Z]+$ not match 1
<nil>

func NewStrfmtValidator 

func NewStrfmtValidator(f ValidateFunc, name string, aliases ...string) *StrFmt

func (*StrFmt) Names 

func (v *StrFmt) Names() []string

func (StrFmt) New 

func (v StrFmt) New(_ context.Context, r *Rule) (Validator, error)

func (*StrFmt) String 

func (v *StrFmt) String() string

func (*StrFmt) TypeCheck 

func (v *StrFmt) TypeCheck(r *Rule) error

func (*StrFmt) Validate 

func (v *StrFmt) Validate(val interface{}) error

type StrLenMode 

type StrLenMode int
const (
	STR_LEN_MODE__LENGTH StrLenMode = iota
	STR_LEN_MODE__RUNE_COUNT
)

func ParseStrLenMode 

func ParseStrLenMode(s string) (StrLenMode, error)

func StringRuleParam 

func StringRuleParam(r *Rule) (mode StrLenMode, err error)

func (StrLenMode) String 

func (m StrLenMode) String() string

type String 

type String struct {
	Enums   map[string]string
	Pattern *regexp.Regexp
	LenMode StrLenMode

	MinLength uint64
	MaxLength *uint64
}

func (String) Names 

func (String) Names() []string

func (String) New 

func (String) New(ctx context.Context, r *Rule) (Validator, error)

func (*String) String 

func (vs *String) String() string

func (*String) TypeCheck 

func (vs *String) TypeCheck(r *Rule) error

func (*String) Validate 

func (vs *String) Validate(v interface{}) error

type Struct 

type Struct struct {
	// contains filtered or unexported fields
}

func NewStructValidator 

func NewStructValidator(tagKey string) *Struct
Example 
v := NewStructValidator("json")

sv, err := v.New(ctx, &Rule{
	Type: typesx.FromReflectType(reflect.TypeOf(&SomeStruct{}).Elem()),
})
if err != nil {
	return
}

s := SomeStruct{
	Slice:       []string{"", ""},
	SliceStruct: []SubStruct{{Int: 0}},
	Map:         map[string]string{"1": "", "11": "", "12": ""},
	MapStruct:   map[string]SubStruct{"222": SubStruct{}},
}

err = sv.Validate(s)
var (
	errs     = map[string]string{}
	keyPaths = make([]string, 0)
	flatten  = err.(*errors.ErrorSet).Flatten()
)

flatten.Each(
	func(ferr *errors.FieldError) {
		errs[ferr.Field.String()] = strconv.Quote(ferr.Error.Error())
		keyPaths = append(keyPaths, ferr.Field.String())
	},
)

sort.Strings(keyPaths)

for i := range keyPaths {
	k := keyPaths[i]
	fmt.Println(k, errs[k])
}

Output:

JustRequired "missing required field"
Map.1 "missing required field"
Map.1/key "string length should be larger than 2, but got invalid value 1"
Map.11 "missing required field"
Map.12 "missing required field"
MapStruct.222.float "missing required field"
MapStruct.222.int "missing required field"
MapStruct.222.uint "missing required field"
Named "missing required field"
PtrFloat "missing required field"
PtrInt "missing required field"
PtrString "missing required field"
PtrUint "missing required field"
SliceStruct[0].float "missing required field"
SliceStruct[0].int "missing required field"
SliceStruct[0].uint "missing required field"
Slice[0] "missing required field"
Slice[1] "missing required field"
SomeStringer "missing required field"
String "missing required field"
Struct.float "missing required field"
Struct.int "missing required field"
Struct.uint "missing required field"
float "missing required field"
int "missing required field"
uint "missing required field"

func (Struct) Names 

func (Struct) Names() []string

func (*Struct) New 

func (vs *Struct) New(ctx context.Context, r *Rule) (Validator, error)

func (*Struct) String 

func (vs *Struct) String() string

func (*Struct) TypeCheck 

func (vs *Struct) TypeCheck(r *Rule) error

func (*Struct) Validate 

func (vs *Struct) Validate(v interface{}) error

func (*Struct) ValidateReflectValue 

func (vs *Struct) ValidateReflectValue(rv reflect.Value) error

type Uint 

type Uint struct {
	BitSize uint

	Minimum          uint64
	Maximum          uint64
	MultipleOf       uint64
	ExclusiveMaximum bool
	ExclusiveMinimum bool

	Enums map[uint64]string
}

func (Uint) Names 

func (Uint) Names() []string

func (Uint) New 

func (Uint) New(ctx context.Context, r *Rule) (Validator, error)

func (*Uint) SetDefault 

func (vu *Uint) SetDefault()

func (*Uint) String 

func (vu *Uint) String() string

func (*Uint) TypeCheck 

func (vu *Uint) TypeCheck(r *Rule) error

func (*Uint) Validate 

func (vu *Uint) Validate(v interface{}) error

type ValidateFunc 

type ValidateFunc func(interface{}) error

type Validator 

type Validator interface {
	Validate(interface{}) error
	String() string
}

Validator can validate input value

func MapRuleParam 

func MapRuleParam(ctx context.Context, r *Rule) (key, elem Validator, err error)

func SliceElementRule 

func SliceElementRule(ctx context.Context, r *Rule) (Validator, error)

Source Files

View all Source files

Directories

Path Synopsis
internal/main

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