binding

package
v1.0.14 Latest Latest
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Published: Mar 19, 2024 License: MIT Imports: 15 Imported by: 1

Documentation

Index

Constants

View Source
const (
	MIMEJSON              = "application/json"
	MIMEHTML              = "text/html"
	MIMEXML               = "application/xml"
	MIMEXML2              = "text/xml"
	MIMEPlain             = "text/plain"
	MIMEPOSTForm          = "application/x-www-form-urlencoded"
	MIMEMultipartPOSTForm = "multipart/form-data"
)

Content-Type MIME of the most common data formats.

Variables

View Source
var (
	JSON          = jsonBinding{}
	XML           = xmlBinding{}
	Form          = formBinding{}
	Query         = queryBinding{}
	FormPost      = formPostBinding{}
	FormMultipart = formMultipartBinding{}
	URI           = uriBinding{}
	Header        = headerBinding{}
)

These implement the Binding interface and can be used to bind the data present in the request to struct instances.

View Source
var (

	// ErrConvertMapStringSlice can not covert to map[string][]string
	ErrConvertMapStringSlice = errors.New("can not convert to map slices of strings")

	// ErrConvertToMapString can not convert to map[string]string
	ErrConvertToMapString = errors.New("can not convert to map of strings")
)
View Source
var (
	// ErrMultiFileHeader multipart.FileHeader invalid
	ErrMultiFileHeader = errors.New("unsupported field type for multipart.FileHeader")

	// ErrMultiFileHeaderLenInvalid array for []*multipart.FileHeader len invalid
	ErrMultiFileHeaderLenInvalid = errors.New("unsupported len of array for []*multipart.FileHeader")
)
View Source
var EnableDecoderDisallowUnknownFields = false

EnableDecoderDisallowUnknownFields is used to call the DisallowUnknownFields method on the JSON Decoder instance. DisallowUnknownFields causes the Decoder to return an error when the destination is a struct and the input contains object keys which do not match any non-ignored, exported fields in the destination.

View Source
var EnableDecoderUseNumber = false

EnableDecoderUseNumber is used to call the UseNumber method on the JSON Decoder instance. UseNumber causes the Decoder to unmarshal a number into an interface{} as a Number instead of as a float64.

Functions

func MapFormWithTag

func MapFormWithTag(ptr any, form map[string][]string, tag string) error

Types

type Binding

type Binding interface {
	Name() string
	Bind(*http.Request, any) error
}

Binding describes the interface which needs to be implemented for binding the data present in the request such as JSON request body, query parameters or the form POST.

func Default

func Default(method, contentType string) Binding

Default returns the appropriate Binding instance based on the HTTP method and the content type.

type BodyBinding

type BodyBinding interface {
	Binding
	BindBody([]byte, any) error
}

BodyBinding adds BindBody method to Binding. BindBody is similar with Bind, but it reads the body from supplied bytes instead of req.Body.

type FieldBindError

type FieldBindError struct {
	Name   string
	Cause  error
	Values []string
}

FieldBindError bind error

func (*FieldBindError) Error

func (be *FieldBindError) Error() string

Error return a string representing the bind error

type FieldBindErrors

type FieldBindErrors []*FieldBindError

FieldBindErrors bind errors

func (FieldBindErrors) Error

func (bes FieldBindErrors) Error() string

Error return a string representing the bind errors

type JsonBindError

type JsonBindError struct {
	Err error
}

func (*JsonBindError) Error

func (jbe *JsonBindError) Error() string

Error return a string representing the bind error

func (*JsonBindError) Unwrap

func (jbe *JsonBindError) Unwrap() error

type URIBinding

type URIBinding interface {
	Name() string
	BindUri(map[string][]string, any) error
}

URIBinding adds BindUri method to Binding. BindUri is similar with Bind, but it reads the Params.

type XmlBindError

type XmlBindError struct {
	Err error
}

func (*XmlBindError) Error

func (xbe *XmlBindError) Error() string

Error return a string representing the bind error

func (*XmlBindError) Unwrap

func (xbe *XmlBindError) Unwrap() error

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