/
false.go
69 lines (52 loc) · 1.36 KB
/
false.go
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// Copyright (c) 2017 Opsidian Ltd.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package schema
import (
"errors"
)
func False() Schema {
return falseSchema
}
var falseSchema = &falseImpl{}
type falseImpl struct {
emptyMetadata
}
func (f falseImpl) AssignValue(_ map[string]string, _, _ string) string {
panic("AssignValue should not be called on a false schema")
}
func (f falseImpl) CompareValues(_, _ interface{}) int {
return 0
}
func (f falseImpl) Copy() Schema {
return f
}
func (f falseImpl) DefaultValue() interface{} {
return nil
}
func (f falseImpl) MarshalJSON() ([]byte, error) {
return []byte("false"), nil
}
func (f falseImpl) GoString(map[string]string) string {
return "schema.False()"
}
func (f falseImpl) GoType(_ map[string]string) string {
panic("GoType should not be called on a false schema")
}
func (f falseImpl) StringValue(interface{}) string {
return ""
}
func (f falseImpl) Type() Type {
return TypeFalse
}
func (f falseImpl) TypeString() string {
return ""
}
func (f falseImpl) ValidateSchema(Schema, bool) error {
return errors.New("no value is allowed")
}
func (f falseImpl) ValidateValue(interface{}) (interface{}, error) {
return nil, errors.New("no value is allowed")
}