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// Copyright 2015 go-swagger maintainers
//
// 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.
package validate
import (
"fmt"
"reflect"
"github.com/go-openapi/spec"
"github.com/go-openapi/strfmt"
)
type schemaSliceValidator struct {
Path string
In string
MaxItems *int64
MinItems *int64
UniqueItems bool
AdditionalItems *spec.SchemaOrBool
Items *spec.SchemaOrArray
Root interface{}
KnownFormats strfmt.Registry
Options *SchemaValidatorOptions
}
func newSliceValidator(path, in string,
maxItems, minItems *int64, uniqueItems bool,
additionalItems *spec.SchemaOrBool, items *spec.SchemaOrArray,
root interface{}, formats strfmt.Registry, opts *SchemaValidatorOptions) *schemaSliceValidator {
if opts == nil {
opts = new(SchemaValidatorOptions)
}
var v *schemaSliceValidator
if opts.recycleValidators {
v = pools.poolOfSliceValidators.BorrowValidator()
} else {
v = new(schemaSliceValidator)
}
v.Path = path
v.In = in
v.MaxItems = maxItems
v.MinItems = minItems
v.UniqueItems = uniqueItems
v.AdditionalItems = additionalItems
v.Items = items
v.Root = root
v.KnownFormats = formats
v.Options = opts
return v
}
func (s *schemaSliceValidator) SetPath(path string) {
s.Path = path
}
func (s *schemaSliceValidator) Applies(source interface{}, kind reflect.Kind) bool {
_, ok := source.(*spec.Schema)
r := ok && kind == reflect.Slice
return r
}
func (s *schemaSliceValidator) Validate(data interface{}) *Result {
if s.Options.recycleValidators {
defer func() {
s.redeem()
}()
}
var result *Result
if s.Options.recycleResult {
result = pools.poolOfResults.BorrowResult()
} else {
result = new(Result)
}
if data == nil {
return result
}
val := reflect.ValueOf(data)
size := val.Len()
if s.Items != nil && s.Items.Schema != nil {
for i := 0; i < size; i++ {
validator := newSchemaValidator(s.Items.Schema, s.Root, s.Path, s.KnownFormats, s.Options)
validator.SetPath(fmt.Sprintf("%s.%d", s.Path, i))
value := val.Index(i)
result.mergeForSlice(val, i, validator.Validate(value.Interface()))
}
}
itemsSize := 0
if s.Items != nil && len(s.Items.Schemas) > 0 {
itemsSize = len(s.Items.Schemas)
for i := 0; i < itemsSize; i++ {
if size <= i {
break
}
validator := newSchemaValidator(&s.Items.Schemas[i], s.Root, fmt.Sprintf("%s.%d", s.Path, i), s.KnownFormats, s.Options)
result.mergeForSlice(val, i, validator.Validate(val.Index(i).Interface()))
}
}
if s.AdditionalItems != nil && itemsSize < size {
if s.Items != nil && len(s.Items.Schemas) > 0 && !s.AdditionalItems.Allows {
result.AddErrors(arrayDoesNotAllowAdditionalItemsMsg())
}
if s.AdditionalItems.Schema != nil {
for i := itemsSize; i < size-itemsSize+1; i++ {
validator := newSchemaValidator(s.AdditionalItems.Schema, s.Root, fmt.Sprintf("%s.%d", s.Path, i), s.KnownFormats, s.Options)
result.mergeForSlice(val, i, validator.Validate(val.Index(i).Interface()))
}
}
}
if s.MinItems != nil {
if err := MinItems(s.Path, s.In, int64(size), *s.MinItems); err != nil {
result.AddErrors(err)
}
}
if s.MaxItems != nil {
if err := MaxItems(s.Path, s.In, int64(size), *s.MaxItems); err != nil {
result.AddErrors(err)
}
}
if s.UniqueItems {
if err := UniqueItems(s.Path, s.In, val.Interface()); err != nil {
result.AddErrors(err)
}
}
result.Inc()
return result
}
func (s *schemaSliceValidator) redeem() {
pools.poolOfSliceValidators.RedeemValidator(s)
}
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