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@@ -1,79 +0,0 @@
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-// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
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-// Use of this source code is governed by a MIT style
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-// license that can be found in the LICENSE file.
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-
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-package binding
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-
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-import (
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- "errors"
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- "reflect"
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- "strings"
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-)
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-
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-func Validate(obj interface{}) error {
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- return validate(obj, "{{ROOT}}")
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-}
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-
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-func validate(obj interface{}, parent string) error {
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- typ, val := inspectObject(obj)
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- switch typ.Kind() {
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- case reflect.Struct:
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- return validateStruct(typ, val, parent)
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-
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- case reflect.Slice:
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- return validateSlice(typ, val, parent)
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-
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- default:
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- return errors.New("The object is not a slice or struct.")
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- }
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-}
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-
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-func inspectObject(obj interface{}) (typ reflect.Type, val reflect.Value) {
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- typ = reflect.TypeOf(obj)
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- val = reflect.ValueOf(obj)
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- if typ.Kind() == reflect.Ptr {
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- typ = typ.Elem()
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- val = val.Elem()
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- }
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- return
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-}
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-
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-func validateSlice(typ reflect.Type, val reflect.Value, parent string) error {
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- if typ.Elem().Kind() == reflect.Struct {
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- for i := 0; i < val.Len(); i++ {
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- itemValue := val.Index(i).Interface()
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- if err := validate(itemValue, parent); err != nil {
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- return err
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- }
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- }
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- }
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- return nil
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-}
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-
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-func validateStruct(typ reflect.Type, val reflect.Value, parent string) error {
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- for i := 0; i < typ.NumField(); i++ {
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- field := typ.Field(i)
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- // Allow ignored and unexported fields in the struct
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- // TODO should include || field.Tag.Get("form") == "-"
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- if len(field.PkgPath) > 0 {
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- continue
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- }
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-
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- fieldValue := val.Field(i).Interface()
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- requiredField := strings.Index(field.Tag.Get("binding"), "required") > -1
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-
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- if requiredField {
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- zero := reflect.Zero(field.Type).Interface()
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- if reflect.DeepEqual(zero, fieldValue) {
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- return errors.New("Required " + field.Name + " in " + parent)
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- }
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- }
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- fieldType := field.Type.Kind()
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- if fieldType == reflect.Struct || fieldType == reflect.Slice {
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- if err := validate(fieldValue, field.Name); err != nil {
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- return err
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- }
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- }
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- }
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- return nil
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-}
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