fix: error handling and vendor

vendor/github.com/go-openapi/validate/slice_validator.go

@@ -0,0 +1,150 @@
+// 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)
+}