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-rw-r--r--vendor/github.com/xeipuuv/gojsonschema/validation.go844
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diff --git a/vendor/github.com/xeipuuv/gojsonschema/validation.go b/vendor/github.com/xeipuuv/gojsonschema/validation.go
new file mode 100644
index 000000000..9afea2518
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+++ b/vendor/github.com/xeipuuv/gojsonschema/validation.go
@@ -0,0 +1,844 @@
+// 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 Extends Schema and subSchema, implements the validation phase.
+//
+// created 28-02-2013
+
+package gojsonschema
+
+import (
+ "encoding/json"
+ "reflect"
+ "regexp"
+ "strconv"
+ "strings"
+ "unicode/utf8"
+)
+
+func Validate(ls JSONLoader, ld JSONLoader) (*Result, error) {
+
+ var err error
+
+ // load schema
+
+ schema, err := NewSchema(ls)
+ if err != nil {
+ return nil, err
+ }
+
+ // begine validation
+
+ return schema.Validate(ld)
+
+}
+
+func (v *Schema) Validate(l JSONLoader) (*Result, error) {
+
+ // load document
+
+ root, err := l.LoadJSON()
+ if err != nil {
+ return nil, err
+ }
+
+ // begin validation
+
+ result := &Result{}
+ context := newJsonContext(STRING_CONTEXT_ROOT, nil)
+ v.rootSchema.validateRecursive(v.rootSchema, root, result, context)
+
+ return result, nil
+
+}
+
+func (v *subSchema) subValidateWithContext(document interface{}, context *jsonContext) *Result {
+ result := &Result{}
+ v.validateRecursive(v, document, result, context)
+ return result
+}
+
+// Walker function to validate the json recursively against the subSchema
+func (v *subSchema) validateRecursive(currentSubSchema *subSchema, currentNode interface{}, result *Result, context *jsonContext) {
+
+ if internalLogEnabled {
+ internalLog("validateRecursive %s", context.String())
+ internalLog(" %v", currentNode)
+ }
+
+ // Handle referenced schemas, returns directly when a $ref is found
+ if currentSubSchema.refSchema != nil {
+ v.validateRecursive(currentSubSchema.refSchema, currentNode, result, context)
+ return
+ }
+
+ // Check for null value
+ if currentNode == nil {
+ if currentSubSchema.types.IsTyped() && !currentSubSchema.types.Contains(TYPE_NULL) {
+ result.addError(
+ new(InvalidTypeError),
+ context,
+ currentNode,
+ ErrorDetails{
+ "expected": currentSubSchema.types.String(),
+ "given": TYPE_NULL,
+ },
+ )
+ return
+ }
+
+ currentSubSchema.validateSchema(currentSubSchema, currentNode, result, context)
+ v.validateCommon(currentSubSchema, currentNode, result, context)
+
+ } else { // Not a null value
+
+ if isJsonNumber(currentNode) {
+
+ value := currentNode.(json.Number)
+
+ _, isValidInt64, _ := checkJsonNumber(value)
+
+ validType := currentSubSchema.types.Contains(TYPE_NUMBER) || (isValidInt64 && currentSubSchema.types.Contains(TYPE_INTEGER))
+
+ if currentSubSchema.types.IsTyped() && !validType {
+
+ givenType := TYPE_INTEGER
+ if !isValidInt64 {
+ givenType = TYPE_NUMBER
+ }
+
+ result.addError(
+ new(InvalidTypeError),
+ context,
+ currentNode,
+ ErrorDetails{
+ "expected": currentSubSchema.types.String(),
+ "given": givenType,
+ },
+ )
+ return
+ }
+
+ currentSubSchema.validateSchema(currentSubSchema, value, result, context)
+ v.validateNumber(currentSubSchema, value, result, context)
+ v.validateCommon(currentSubSchema, value, result, context)
+ v.validateString(currentSubSchema, value, result, context)
+
+ } else {
+
+ rValue := reflect.ValueOf(currentNode)
+ rKind := rValue.Kind()
+
+ switch rKind {
+
+ // Slice => JSON array
+
+ case reflect.Slice:
+
+ if currentSubSchema.types.IsTyped() && !currentSubSchema.types.Contains(TYPE_ARRAY) {
+ result.addError(
+ new(InvalidTypeError),
+ context,
+ currentNode,
+ ErrorDetails{
+ "expected": currentSubSchema.types.String(),
+ "given": TYPE_ARRAY,
+ },
+ )
+ return
+ }
+
+ castCurrentNode := currentNode.([]interface{})
+
+ currentSubSchema.validateSchema(currentSubSchema, castCurrentNode, result, context)
+
+ v.validateArray(currentSubSchema, castCurrentNode, result, context)
+ v.validateCommon(currentSubSchema, castCurrentNode, result, context)
+
+ // Map => JSON object
+
+ case reflect.Map:
+ if currentSubSchema.types.IsTyped() && !currentSubSchema.types.Contains(TYPE_OBJECT) {
+ result.addError(
+ new(InvalidTypeError),
+ context,
+ currentNode,
+ ErrorDetails{
+ "expected": currentSubSchema.types.String(),
+ "given": TYPE_OBJECT,
+ },
+ )
+ return
+ }
+
+ castCurrentNode, ok := currentNode.(map[string]interface{})
+ if !ok {
+ castCurrentNode = convertDocumentNode(currentNode).(map[string]interface{})
+ }
+
+ currentSubSchema.validateSchema(currentSubSchema, castCurrentNode, result, context)
+
+ v.validateObject(currentSubSchema, castCurrentNode, result, context)
+ v.validateCommon(currentSubSchema, castCurrentNode, result, context)
+
+ for _, pSchema := range currentSubSchema.propertiesChildren {
+ nextNode, ok := castCurrentNode[pSchema.property]
+ if ok {
+ subContext := newJsonContext(pSchema.property, context)
+ v.validateRecursive(pSchema, nextNode, result, subContext)
+ }
+ }
+
+ // Simple JSON values : string, number, boolean
+
+ case reflect.Bool:
+
+ if currentSubSchema.types.IsTyped() && !currentSubSchema.types.Contains(TYPE_BOOLEAN) {
+ result.addError(
+ new(InvalidTypeError),
+ context,
+ currentNode,
+ ErrorDetails{
+ "expected": currentSubSchema.types.String(),
+ "given": TYPE_BOOLEAN,
+ },
+ )
+ return
+ }
+
+ value := currentNode.(bool)
+
+ currentSubSchema.validateSchema(currentSubSchema, value, result, context)
+ v.validateNumber(currentSubSchema, value, result, context)
+ v.validateCommon(currentSubSchema, value, result, context)
+ v.validateString(currentSubSchema, value, result, context)
+
+ case reflect.String:
+
+ if currentSubSchema.types.IsTyped() && !currentSubSchema.types.Contains(TYPE_STRING) {
+ result.addError(
+ new(InvalidTypeError),
+ context,
+ currentNode,
+ ErrorDetails{
+ "expected": currentSubSchema.types.String(),
+ "given": TYPE_STRING,
+ },
+ )
+ return
+ }
+
+ value := currentNode.(string)
+
+ currentSubSchema.validateSchema(currentSubSchema, value, result, context)
+ v.validateNumber(currentSubSchema, value, result, context)
+ v.validateCommon(currentSubSchema, value, result, context)
+ v.validateString(currentSubSchema, value, result, context)
+
+ }
+
+ }
+
+ }
+
+ result.incrementScore()
+}
+
+// Different kinds of validation there, subSchema / common / array / object / string...
+func (v *subSchema) validateSchema(currentSubSchema *subSchema, currentNode interface{}, result *Result, context *jsonContext) {
+
+ if internalLogEnabled {
+ internalLog("validateSchema %s", context.String())
+ internalLog(" %v", currentNode)
+ }
+
+ if len(currentSubSchema.anyOf) > 0 {
+
+ validatedAnyOf := false
+ var bestValidationResult *Result
+
+ for _, anyOfSchema := range currentSubSchema.anyOf {
+ if !validatedAnyOf {
+ validationResult := anyOfSchema.subValidateWithContext(currentNode, context)
+ validatedAnyOf = validationResult.Valid()
+
+ if !validatedAnyOf && (bestValidationResult == nil || validationResult.score > bestValidationResult.score) {
+ bestValidationResult = validationResult
+ }
+ }
+ }
+ if !validatedAnyOf {
+
+ result.addError(new(NumberAnyOfError), context, currentNode, ErrorDetails{})
+
+ if bestValidationResult != nil {
+ // add error messages of closest matching subSchema as
+ // that's probably the one the user was trying to match
+ result.mergeErrors(bestValidationResult)
+ }
+ }
+ }
+
+ if len(currentSubSchema.oneOf) > 0 {
+
+ nbValidated := 0
+ var bestValidationResult *Result
+
+ for _, oneOfSchema := range currentSubSchema.oneOf {
+ validationResult := oneOfSchema.subValidateWithContext(currentNode, context)
+ if validationResult.Valid() {
+ nbValidated++
+ } else if nbValidated == 0 && (bestValidationResult == nil || validationResult.score > bestValidationResult.score) {
+ bestValidationResult = validationResult
+ }
+ }
+
+ if nbValidated != 1 {
+
+ result.addError(new(NumberOneOfError), context, currentNode, ErrorDetails{})
+
+ if nbValidated == 0 {
+ // add error messages of closest matching subSchema as
+ // that's probably the one the user was trying to match
+ result.mergeErrors(bestValidationResult)
+ }
+ }
+
+ }
+
+ if len(currentSubSchema.allOf) > 0 {
+ nbValidated := 0
+
+ for _, allOfSchema := range currentSubSchema.allOf {
+ validationResult := allOfSchema.subValidateWithContext(currentNode, context)
+ if validationResult.Valid() {
+ nbValidated++
+ }
+ result.mergeErrors(validationResult)
+ }
+
+ if nbValidated != len(currentSubSchema.allOf) {
+ result.addError(new(NumberAllOfError), context, currentNode, ErrorDetails{})
+ }
+ }
+
+ if currentSubSchema.not != nil {
+ validationResult := currentSubSchema.not.subValidateWithContext(currentNode, context)
+ if validationResult.Valid() {
+ result.addError(new(NumberNotError), context, currentNode, ErrorDetails{})
+ }
+ }
+
+ if currentSubSchema.dependencies != nil && len(currentSubSchema.dependencies) > 0 {
+ if isKind(currentNode, reflect.Map) {
+ for elementKey := range currentNode.(map[string]interface{}) {
+ if dependency, ok := currentSubSchema.dependencies[elementKey]; ok {
+ switch dependency := dependency.(type) {
+
+ case []string:
+ for _, dependOnKey := range dependency {
+ if _, dependencyResolved := currentNode.(map[string]interface{})[dependOnKey]; !dependencyResolved {
+ result.addError(
+ new(MissingDependencyError),
+ context,
+ currentNode,
+ ErrorDetails{"dependency": dependOnKey},
+ )
+ }
+ }
+
+ case *subSchema:
+ dependency.validateRecursive(dependency, currentNode, result, context)
+
+ }
+ }
+ }
+ }
+ }
+
+ result.incrementScore()
+}
+
+func (v *subSchema) validateCommon(currentSubSchema *subSchema, value interface{}, result *Result, context *jsonContext) {
+
+ if internalLogEnabled {
+ internalLog("validateCommon %s", context.String())
+ internalLog(" %v", value)
+ }
+
+ // enum:
+ if len(currentSubSchema.enum) > 0 {
+ has, err := currentSubSchema.ContainsEnum(value)
+ if err != nil {
+ result.addError(new(InternalError), context, value, ErrorDetails{"error": err})
+ }
+ if !has {
+ result.addError(
+ new(EnumError),
+ context,
+ value,
+ ErrorDetails{
+ "allowed": strings.Join(currentSubSchema.enum, ", "),
+ },
+ )
+ }
+ }
+
+ result.incrementScore()
+}
+
+func (v *subSchema) validateArray(currentSubSchema *subSchema, value []interface{}, result *Result, context *jsonContext) {
+
+ if internalLogEnabled {
+ internalLog("validateArray %s", context.String())
+ internalLog(" %v", value)
+ }
+
+ nbValues := len(value)
+
+ // TODO explain
+ if currentSubSchema.itemsChildrenIsSingleSchema {
+ for i := range value {
+ subContext := newJsonContext(strconv.Itoa(i), context)
+ validationResult := currentSubSchema.itemsChildren[0].subValidateWithContext(value[i], subContext)
+ result.mergeErrors(validationResult)
+ }
+ } else {
+ if currentSubSchema.itemsChildren != nil && len(currentSubSchema.itemsChildren) > 0 {
+
+ nbItems := len(currentSubSchema.itemsChildren)
+
+ // while we have both schemas and values, check them against each other
+ for i := 0; i != nbItems && i != nbValues; i++ {
+ subContext := newJsonContext(strconv.Itoa(i), context)
+ validationResult := currentSubSchema.itemsChildren[i].subValidateWithContext(value[i], subContext)
+ result.mergeErrors(validationResult)
+ }
+
+ if nbItems < nbValues {
+ // we have less schemas than elements in the instance array,
+ // but that might be ok if "additionalItems" is specified.
+
+ switch currentSubSchema.additionalItems.(type) {
+ case bool:
+ if !currentSubSchema.additionalItems.(bool) {
+ result.addError(new(ArrayNoAdditionalItemsError), context, value, ErrorDetails{})
+ }
+ case *subSchema:
+ additionalItemSchema := currentSubSchema.additionalItems.(*subSchema)
+ for i := nbItems; i != nbValues; i++ {
+ subContext := newJsonContext(strconv.Itoa(i), context)
+ validationResult := additionalItemSchema.subValidateWithContext(value[i], subContext)
+ result.mergeErrors(validationResult)
+ }
+ }
+ }
+ }
+ }
+
+ // minItems & maxItems
+ if currentSubSchema.minItems != nil {
+ if nbValues < int(*currentSubSchema.minItems) {
+ result.addError(
+ new(ArrayMinItemsError),
+ context,
+ value,
+ ErrorDetails{"min": *currentSubSchema.minItems},
+ )
+ }
+ }
+ if currentSubSchema.maxItems != nil {
+ if nbValues > int(*currentSubSchema.maxItems) {
+ result.addError(
+ new(ArrayMaxItemsError),
+ context,
+ value,
+ ErrorDetails{"max": *currentSubSchema.maxItems},
+ )
+ }
+ }
+
+ // uniqueItems:
+ if currentSubSchema.uniqueItems {
+ var stringifiedItems []string
+ for _, v := range value {
+ vString, err := marshalToJsonString(v)
+ if err != nil {
+ result.addError(new(InternalError), context, value, ErrorDetails{"err": err})
+ }
+ if isStringInSlice(stringifiedItems, *vString) {
+ result.addError(
+ new(ItemsMustBeUniqueError),
+ context,
+ value,
+ ErrorDetails{"type": TYPE_ARRAY},
+ )
+ }
+ stringifiedItems = append(stringifiedItems, *vString)
+ }
+ }
+
+ result.incrementScore()
+}
+
+func (v *subSchema) validateObject(currentSubSchema *subSchema, value map[string]interface{}, result *Result, context *jsonContext) {
+
+ if internalLogEnabled {
+ internalLog("validateObject %s", context.String())
+ internalLog(" %v", value)
+ }
+
+ // minProperties & maxProperties:
+ if currentSubSchema.minProperties != nil {
+ if len(value) < int(*currentSubSchema.minProperties) {
+ result.addError(
+ new(ArrayMinPropertiesError),
+ context,
+ value,
+ ErrorDetails{"min": *currentSubSchema.minProperties},
+ )
+ }
+ }
+ if currentSubSchema.maxProperties != nil {
+ if len(value) > int(*currentSubSchema.maxProperties) {
+ result.addError(
+ new(ArrayMaxPropertiesError),
+ context,
+ value,
+ ErrorDetails{"max": *currentSubSchema.maxProperties},
+ )
+ }
+ }
+
+ // required:
+ for _, requiredProperty := range currentSubSchema.required {
+ _, ok := value[requiredProperty]
+ if ok {
+ result.incrementScore()
+ } else {
+ result.addError(
+ new(RequiredError),
+ context,
+ value,
+ ErrorDetails{"property": requiredProperty},
+ )
+ }
+ }
+
+ // additionalProperty & patternProperty:
+ if currentSubSchema.additionalProperties != nil {
+
+ switch currentSubSchema.additionalProperties.(type) {
+ case bool:
+
+ if !currentSubSchema.additionalProperties.(bool) {
+
+ for pk := range value {
+
+ found := false
+ for _, spValue := range currentSubSchema.propertiesChildren {
+ if pk == spValue.property {
+ found = true
+ }
+ }
+
+ pp_has, pp_match := v.validatePatternProperty(currentSubSchema, pk, value[pk], result, context)
+
+ if found {
+
+ if pp_has && !pp_match {
+ result.addError(
+ new(AdditionalPropertyNotAllowedError),
+ context,
+ value[pk],
+ ErrorDetails{"property": pk},
+ )
+ }
+
+ } else {
+
+ if !pp_has || !pp_match {
+ result.addError(
+ new(AdditionalPropertyNotAllowedError),
+ context,
+ value[pk],
+ ErrorDetails{"property": pk},
+ )
+ }
+
+ }
+ }
+ }
+
+ case *subSchema:
+
+ additionalPropertiesSchema := currentSubSchema.additionalProperties.(*subSchema)
+ for pk := range value {
+
+ found := false
+ for _, spValue := range currentSubSchema.propertiesChildren {
+ if pk == spValue.property {
+ found = true
+ }
+ }
+
+ pp_has, pp_match := v.validatePatternProperty(currentSubSchema, pk, value[pk], result, context)
+
+ if found {
+
+ if pp_has && !pp_match {
+ validationResult := additionalPropertiesSchema.subValidateWithContext(value[pk], context)
+ result.mergeErrors(validationResult)
+ }
+
+ } else {
+
+ if !pp_has || !pp_match {
+ validationResult := additionalPropertiesSchema.subValidateWithContext(value[pk], context)
+ result.mergeErrors(validationResult)
+ }
+
+ }
+
+ }
+ }
+ } else {
+
+ for pk := range value {
+
+ pp_has, pp_match := v.validatePatternProperty(currentSubSchema, pk, value[pk], result, context)
+
+ if pp_has && !pp_match {
+
+ result.addError(
+ new(InvalidPropertyPatternError),
+ context,
+ value[pk],
+ ErrorDetails{
+ "property": pk,
+ "pattern": currentSubSchema.PatternPropertiesString(),
+ },
+ )
+ }
+
+ }
+ }
+
+ result.incrementScore()
+}
+
+func (v *subSchema) validatePatternProperty(currentSubSchema *subSchema, key string, value interface{}, result *Result, context *jsonContext) (has bool, matched bool) {
+
+ if internalLogEnabled {
+ internalLog("validatePatternProperty %s", context.String())
+ internalLog(" %s %v", key, value)
+ }
+
+ has = false
+
+ validatedkey := false
+
+ for pk, pv := range currentSubSchema.patternProperties {
+ if matches, _ := regexp.MatchString(pk, key); matches {
+ has = true
+ subContext := newJsonContext(key, context)
+ validationResult := pv.subValidateWithContext(value, subContext)
+ result.mergeErrors(validationResult)
+ if validationResult.Valid() {
+ validatedkey = true
+ }
+ }
+ }
+
+ if !validatedkey {
+ return has, false
+ }
+
+ result.incrementScore()
+
+ return has, true
+}
+
+func (v *subSchema) validateString(currentSubSchema *subSchema, value interface{}, result *Result, context *jsonContext) {
+
+ // Ignore JSON numbers
+ if isJsonNumber(value) {
+ return
+ }
+
+ // Ignore non strings
+ if !isKind(value, reflect.String) {
+ return
+ }
+
+ if internalLogEnabled {
+ internalLog("validateString %s", context.String())
+ internalLog(" %v", value)
+ }
+
+ stringValue := value.(string)
+
+ // minLength & maxLength:
+ if currentSubSchema.minLength != nil {
+ if utf8.RuneCount([]byte(stringValue)) < int(*currentSubSchema.minLength) {
+ result.addError(
+ new(StringLengthGTEError),
+ context,
+ value,
+ ErrorDetails{"min": *currentSubSchema.minLength},
+ )
+ }
+ }
+ if currentSubSchema.maxLength != nil {
+ if utf8.RuneCount([]byte(stringValue)) > int(*currentSubSchema.maxLength) {
+ result.addError(
+ new(StringLengthLTEError),
+ context,
+ value,
+ ErrorDetails{"max": *currentSubSchema.maxLength},
+ )
+ }
+ }
+
+ // pattern:
+ if currentSubSchema.pattern != nil {
+ if !currentSubSchema.pattern.MatchString(stringValue) {
+ result.addError(
+ new(DoesNotMatchPatternError),
+ context,
+ value,
+ ErrorDetails{"pattern": currentSubSchema.pattern},
+ )
+
+ }
+ }
+
+ // format
+ if currentSubSchema.format != "" {
+ if !FormatCheckers.IsFormat(currentSubSchema.format, stringValue) {
+ result.addError(
+ new(DoesNotMatchFormatError),
+ context,
+ value,
+ ErrorDetails{"format": currentSubSchema.format},
+ )
+ }
+ }
+
+ result.incrementScore()
+}
+
+func (v *subSchema) validateNumber(currentSubSchema *subSchema, value interface{}, result *Result, context *jsonContext) {
+
+ // Ignore non numbers
+ if !isJsonNumber(value) {
+ return
+ }
+
+ if internalLogEnabled {
+ internalLog("validateNumber %s", context.String())
+ internalLog(" %v", value)
+ }
+
+ number := value.(json.Number)
+ float64Value, _ := number.Float64()
+
+ // multipleOf:
+ if currentSubSchema.multipleOf != nil {
+
+ if !isFloat64AnInteger(float64Value / *currentSubSchema.multipleOf) {
+ result.addError(
+ new(MultipleOfError),
+ context,
+ resultErrorFormatJsonNumber(number),
+ ErrorDetails{"multiple": *currentSubSchema.multipleOf},
+ )
+ }
+ }
+
+ //maximum & exclusiveMaximum:
+ if currentSubSchema.maximum != nil {
+ if currentSubSchema.exclusiveMaximum {
+ if float64Value >= *currentSubSchema.maximum {
+ result.addError(
+ new(NumberLTError),
+ context,
+ resultErrorFormatJsonNumber(number),
+ ErrorDetails{
+ "max": resultErrorFormatNumber(*currentSubSchema.maximum),
+ },
+ )
+ }
+ } else {
+ if float64Value > *currentSubSchema.maximum {
+ result.addError(
+ new(NumberLTEError),
+ context,
+ resultErrorFormatJsonNumber(number),
+ ErrorDetails{
+ "max": resultErrorFormatNumber(*currentSubSchema.maximum),
+ },
+ )
+ }
+ }
+ }
+
+ //minimum & exclusiveMinimum:
+ if currentSubSchema.minimum != nil {
+ if currentSubSchema.exclusiveMinimum {
+ if float64Value <= *currentSubSchema.minimum {
+ result.addError(
+ new(NumberGTError),
+ context,
+ resultErrorFormatJsonNumber(number),
+ ErrorDetails{
+ "min": resultErrorFormatNumber(*currentSubSchema.minimum),
+ },
+ )
+ }
+ } else {
+ if float64Value < *currentSubSchema.minimum {
+ result.addError(
+ new(NumberGTEError),
+ context,
+ resultErrorFormatJsonNumber(number),
+ ErrorDetails{
+ "min": resultErrorFormatNumber(*currentSubSchema.minimum),
+ },
+ )
+ }
+ }
+ }
+
+ // format
+ if currentSubSchema.format != "" {
+ if !FormatCheckers.IsFormat(currentSubSchema.format, float64Value) {
+ result.addError(
+ new(DoesNotMatchFormatError),
+ context,
+ value,
+ ErrorDetails{"format": currentSubSchema.format},
+ )
+ }
+ }
+
+ result.incrementScore()
+}