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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 Defines the structure of a sub-subSchema.
// A sub-subSchema can contain other sub-schemas.
//
// created 27-02-2013
package gojsonschema
import (
"errors"
"math/big"
"regexp"
"strings"
"github.com/xeipuuv/gojsonreference"
)
const (
KEY_SCHEMA = "$schema"
KEY_ID = "id"
KEY_ID_NEW = "$id"
KEY_REF = "$ref"
KEY_TITLE = "title"
KEY_DESCRIPTION = "description"
KEY_TYPE = "type"
KEY_ITEMS = "items"
KEY_ADDITIONAL_ITEMS = "additionalItems"
KEY_PROPERTIES = "properties"
KEY_PATTERN_PROPERTIES = "patternProperties"
KEY_ADDITIONAL_PROPERTIES = "additionalProperties"
KEY_PROPERTY_NAMES = "propertyNames"
KEY_DEFINITIONS = "definitions"
KEY_MULTIPLE_OF = "multipleOf"
KEY_MINIMUM = "minimum"
KEY_MAXIMUM = "maximum"
KEY_EXCLUSIVE_MINIMUM = "exclusiveMinimum"
KEY_EXCLUSIVE_MAXIMUM = "exclusiveMaximum"
KEY_MIN_LENGTH = "minLength"
KEY_MAX_LENGTH = "maxLength"
KEY_PATTERN = "pattern"
KEY_FORMAT = "format"
KEY_MIN_PROPERTIES = "minProperties"
KEY_MAX_PROPERTIES = "maxProperties"
KEY_DEPENDENCIES = "dependencies"
KEY_REQUIRED = "required"
KEY_MIN_ITEMS = "minItems"
KEY_MAX_ITEMS = "maxItems"
KEY_UNIQUE_ITEMS = "uniqueItems"
KEY_CONTAINS = "contains"
KEY_CONST = "const"
KEY_ENUM = "enum"
KEY_ONE_OF = "oneOf"
KEY_ANY_OF = "anyOf"
KEY_ALL_OF = "allOf"
KEY_NOT = "not"
KEY_IF = "if"
KEY_THEN = "then"
KEY_ELSE = "else"
)
type subSchema struct {
draft *Draft
// basic subSchema meta properties
id *gojsonreference.JsonReference
title *string
description *string
property string
// Types associated with the subSchema
types jsonSchemaType
// Reference url
ref *gojsonreference.JsonReference
// Schema referenced
refSchema *subSchema
// hierarchy
parent *subSchema
itemsChildren []*subSchema
itemsChildrenIsSingleSchema bool
propertiesChildren []*subSchema
// validation : number / integer
multipleOf *big.Rat
maximum *big.Rat
exclusiveMaximum *big.Rat
minimum *big.Rat
exclusiveMinimum *big.Rat
// validation : string
minLength *int
maxLength *int
pattern *regexp.Regexp
format string
// validation : object
minProperties *int
maxProperties *int
required []string
dependencies map[string]interface{}
additionalProperties interface{}
patternProperties map[string]*subSchema
propertyNames *subSchema
// validation : array
minItems *int
maxItems *int
uniqueItems bool
contains *subSchema
additionalItems interface{}
// validation : all
_const *string //const is a golang keyword
enum []string
// validation : subSchema
oneOf []*subSchema
anyOf []*subSchema
allOf []*subSchema
not *subSchema
_if *subSchema // if/else are golang keywords
_then *subSchema
_else *subSchema
}
func (s *subSchema) AddConst(i interface{}) error {
is, err := marshalWithoutNumber(i)
if err != nil {
return err
}
s._const = is
return nil
}
func (s *subSchema) AddEnum(i interface{}) error {
is, err := marshalWithoutNumber(i)
if err != nil {
return err
}
if isStringInSlice(s.enum, *is) {
return errors.New(formatErrorDescription(
Locale.KeyItemsMustBeUnique(),
ErrorDetails{"key": KEY_ENUM},
))
}
s.enum = append(s.enum, *is)
return nil
}
func (s *subSchema) ContainsEnum(i interface{}) (bool, error) {
is, err := marshalWithoutNumber(i)
if err != nil {
return false, err
}
return isStringInSlice(s.enum, *is), nil
}
func (s *subSchema) AddOneOf(subSchema *subSchema) {
s.oneOf = append(s.oneOf, subSchema)
}
func (s *subSchema) AddAllOf(subSchema *subSchema) {
s.allOf = append(s.allOf, subSchema)
}
func (s *subSchema) AddAnyOf(subSchema *subSchema) {
s.anyOf = append(s.anyOf, subSchema)
}
func (s *subSchema) SetNot(subSchema *subSchema) {
s.not = subSchema
}
func (s *subSchema) SetIf(subSchema *subSchema) {
s._if = subSchema
}
func (s *subSchema) SetThen(subSchema *subSchema) {
s._then = subSchema
}
func (s *subSchema) SetElse(subSchema *subSchema) {
s._else = subSchema
}
func (s *subSchema) AddRequired(value string) error {
if isStringInSlice(s.required, value) {
return errors.New(formatErrorDescription(
Locale.KeyItemsMustBeUnique(),
ErrorDetails{"key": KEY_REQUIRED},
))
}
s.required = append(s.required, value)
return nil
}
func (s *subSchema) AddItemsChild(child *subSchema) {
s.itemsChildren = append(s.itemsChildren, child)
}
func (s *subSchema) AddPropertiesChild(child *subSchema) {
s.propertiesChildren = append(s.propertiesChildren, child)
}
func (s *subSchema) PatternPropertiesString() string {
if s.patternProperties == nil || len(s.patternProperties) == 0 {
return STRING_UNDEFINED // should never happen
}
patternPropertiesKeySlice := []string{}
for pk := range s.patternProperties {
patternPropertiesKeySlice = append(patternPropertiesKeySlice, `"`+pk+`"`)
}
if len(patternPropertiesKeySlice) == 1 {
return patternPropertiesKeySlice[0]
}
return "[" + strings.Join(patternPropertiesKeySlice, ",") + "]"
}
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