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// Copyright 2015 xeipuuv ( https://github.com/xeipuuv )
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// author xeipuuv
// author-github https://github.com/xeipuuv
// author-mail xeipuuv@gmail.com
//
// repository-name gojsonschema
// repository-desc An implementation of JSON Schema, based on IETF's draft v4 - Go language.
//
// description Helper structure to handle schema types, and the combination of them.
//
// created 28-02-2013
package gojsonschema
import (
"errors"
"fmt"
"strings"
)
type jsonSchemaType struct {
types []string
}
// Is the schema typed ? that is containing at least one type
// When not typed, the schema does not need any type validation
func (t *jsonSchemaType) IsTyped() bool {
return len(t.types) > 0
}
func (t *jsonSchemaType) Add(etype string) error {
if !isStringInSlice(JSON_TYPES, etype) {
return errors.New(formatErrorDescription(Locale.NotAValidType(), ErrorDetails{"given": "/" + etype + "/", "expected": JSON_TYPES}))
}
if t.Contains(etype) {
return errors.New(formatErrorDescription(Locale.Duplicated(), ErrorDetails{"type": etype}))
}
t.types = append(t.types, etype)
return nil
}
func (t *jsonSchemaType) Contains(etype string) bool {
for _, v := range t.types {
if v == etype {
return true
}
}
return false
}
func (t *jsonSchemaType) String() string {
if len(t.types) == 0 {
return STRING_UNDEFINED // should never happen
}
// Displayed as a list [type1,type2,...]
if len(t.types) > 1 {
return fmt.Sprintf("[%s]", strings.Join(t.types, ","))
}
// Only one type: name only
return t.types[0]
}
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