1 files changed, 326 insertions, 0 deletions
diff --git a/vendor/github.com/go-openapi/strfmt/format.go b/vendor/github.com/go-openapi/strfmt/format.go
new file mode 100644
index 000000000..ad3b3c355
--- /dev/null
+++ b/vendor/github.com/go-openapi/strfmt/format.go
@@ -0,0 +1,326 @@
+// 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 strfmt
+
+import (
+	"encoding"
+	"fmt"
+	"reflect"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/go-openapi/errors"
+	"github.com/mitchellh/mapstructure"
+)
+
+// Default is the default formats registry
+var Default = NewSeededFormats(nil, nil)
+
+// Validator represents a validator for a string format.
+type Validator func(string) bool
+
+// Format represents a string format.
+//
+// All implementations of Format provide a string representation and text
+// marshaling/unmarshaling interface to be used by encoders (e.g. encoding/json).
+type Format interface {
+	String() string
+	encoding.TextMarshaler
+	encoding.TextUnmarshaler
+}
+
+// Registry is a registry of string formats, with a validation method.
+type Registry interface {
+	Add(string, Format, Validator) bool
+	DelByName(string) bool
+	GetType(string) (reflect.Type, bool)
+	ContainsName(string) bool
+	Validates(string, string) bool
+	Parse(string, string) (interface{}, error)
+	MapStructureHookFunc() mapstructure.DecodeHookFunc
+}
+
+type knownFormat struct {
+	Name      string
+	OrigName  string
+	Type      reflect.Type
+	Validator Validator
+}
+
+// NameNormalizer is a function that normalizes a format name.
+type NameNormalizer func(string) string
+
+// DefaultNameNormalizer removes all dashes
+func DefaultNameNormalizer(name string) string {
+	return strings.ReplaceAll(name, "-", "")
+}
+
+type defaultFormats struct {
+	sync.Mutex
+	data          []knownFormat
+	normalizeName NameNormalizer
+}
+
+// NewFormats creates a new formats registry seeded with the values from the default
+func NewFormats() Registry {
+	//nolint:forcetypeassert
+	return NewSeededFormats(Default.(*defaultFormats).data, nil)
+}
+
+// NewSeededFormats creates a new formats registry
+func NewSeededFormats(seeds []knownFormat, normalizer NameNormalizer) Registry {
+	if normalizer == nil {
+		normalizer = DefaultNameNormalizer
+	}
+	// copy here, don't modify original
+	d := append([]knownFormat(nil), seeds...)
+	return &defaultFormats{
+		data:          d,
+		normalizeName: normalizer,
+	}
+}
+
+// MapStructureHookFunc is a decode hook function for mapstructure
+func (f *defaultFormats) MapStructureHookFunc() mapstructure.DecodeHookFunc { //nolint:gocyclo,cyclop
+	return func(from reflect.Type, to reflect.Type, obj interface{}) (interface{}, error) {
+		if from.Kind() != reflect.String {
+			return obj, nil
+		}
+		data, ok := obj.(string)
+		if !ok {
+			return nil, fmt.Errorf("failed to cast %+v to string", obj)
+		}
+
+		for _, v := range f.data {
+			tpe, _ := f.GetType(v.Name)
+			if to == tpe {
+				switch v.Name {
+				case "date":
+					d, err := time.ParseInLocation(RFC3339FullDate, data, DefaultTimeLocation)
+					if err != nil {
+						return nil, err
+					}
+					return Date(d), nil
+				case "datetime":
+					input := data
+					if len(input) == 0 {
+						return nil, fmt.Errorf("empty string is an invalid datetime format")
+					}
+					return ParseDateTime(input)
+				case "duration":
+					dur, err := ParseDuration(data)
+					if err != nil {
+						return nil, err
+					}
+					return Duration(dur), nil
+				case "uri":
+					return URI(data), nil
+				case "email":
+					return Email(data), nil
+				case "uuid":
+					return UUID(data), nil
+				case "uuid3":
+					return UUID3(data), nil
+				case "uuid4":
+					return UUID4(data), nil
+				case "uuid5":
+					return UUID5(data), nil
+				case "hostname":
+					return Hostname(data), nil
+				case "ipv4":
+					return IPv4(data), nil
+				case "ipv6":
+					return IPv6(data), nil
+				case "cidr":
+					return CIDR(data), nil
+				case "mac":
+					return MAC(data), nil
+				case "isbn":
+					return ISBN(data), nil
+				case "isbn10":
+					return ISBN10(data), nil
+				case "isbn13":
+					return ISBN13(data), nil
+				case "creditcard":
+					return CreditCard(data), nil
+				case "ssn":
+					return SSN(data), nil
+				case "hexcolor":
+					return HexColor(data), nil
+				case "rgbcolor":
+					return RGBColor(data), nil
+				case "byte":
+					return Base64(data), nil
+				case "password":
+					return Password(data), nil
+				case "ulid":
+					ulid, err := ParseULID(data)
+					if err != nil {
+						return nil, err
+					}
+					return ulid, nil
+				default:
+					return nil, errors.InvalidTypeName(v.Name)
+				}
+			}
+		}
+		return data, nil
+	}
+}
+
+// Add adds a new format, return true if this was a new item instead of a replacement
+func (f *defaultFormats) Add(name string, strfmt Format, validator Validator) bool {
+	f.Lock()
+	defer f.Unlock()
+
+	nme := f.normalizeName(name)
+
+	tpe := reflect.TypeOf(strfmt)
+	if tpe.Kind() == reflect.Ptr {
+		tpe = tpe.Elem()
+	}
+
+	for i := range f.data {
+		v := &f.data[i]
+		if v.Name == nme {
+			v.Type = tpe
+			v.Validator = validator
+			return false
+		}
+	}
+
+	// turns out it's new after all
+	f.data = append(f.data, knownFormat{Name: nme, OrigName: name, Type: tpe, Validator: validator})
+	return true
+}
+
+// GetType gets the type for the specified name
+func (f *defaultFormats) GetType(name string) (reflect.Type, bool) {
+	f.Lock()
+	defer f.Unlock()
+	nme := f.normalizeName(name)
+	for _, v := range f.data {
+		if v.Name == nme {
+			return v.Type, true
+		}
+	}
+	return nil, false
+}
+
+// DelByName removes the format by the specified name, returns true when an item was actually removed
+func (f *defaultFormats) DelByName(name string) bool {
+	f.Lock()
+	defer f.Unlock()
+
+	nme := f.normalizeName(name)
+
+	for i, v := range f.data {
+		if v.Name == nme {
+			f.data[i] = knownFormat{} // release
+			f.data = append(f.data[:i], f.data[i+1:]...)
+			return true
+		}
+	}
+	return false
+}
+
+// DelByFormat removes the specified format, returns true when an item was actually removed
+func (f *defaultFormats) DelByFormat(strfmt Format) bool {
+	f.Lock()
+	defer f.Unlock()
+
+	tpe := reflect.TypeOf(strfmt)
+	if tpe.Kind() == reflect.Ptr {
+		tpe = tpe.Elem()
+	}
+
+	for i, v := range f.data {
+		if v.Type == tpe {
+			f.data[i] = knownFormat{} // release
+			f.data = append(f.data[:i], f.data[i+1:]...)
+			return true
+		}
+	}
+	return false
+}
+
+// ContainsName returns true if this registry contains the specified name
+func (f *defaultFormats) ContainsName(name string) bool {
+	f.Lock()
+	defer f.Unlock()
+	nme := f.normalizeName(name)
+	for _, v := range f.data {
+		if v.Name == nme {
+			return true
+		}
+	}
+	return false
+}
+
+// ContainsFormat returns true if this registry contains the specified format
+func (f *defaultFormats) ContainsFormat(strfmt Format) bool {
+	f.Lock()
+	defer f.Unlock()
+	tpe := reflect.TypeOf(strfmt)
+	if tpe.Kind() == reflect.Ptr {
+		tpe = tpe.Elem()
+	}
+
+	for _, v := range f.data {
+		if v.Type == tpe {
+			return true
+		}
+	}
+	return false
+}
+
+// Validates passed data against format.
+//
+// Note that the format name is automatically normalized, e.g. one may
+// use "date-time" to use the "datetime" format validator.
+func (f *defaultFormats) Validates(name, data string) bool {
+	f.Lock()
+	defer f.Unlock()
+	nme := f.normalizeName(name)
+	for _, v := range f.data {
+		if v.Name == nme {
+			return v.Validator(data)
+		}
+	}
+	return false
+}
+
+// Parse a string into the appropriate format representation type.
+//
+// E.g. parsing a string a "date" will return a Date type.
+func (f *defaultFormats) Parse(name, data string) (interface{}, error) {
+	f.Lock()
+	defer f.Unlock()
+	nme := f.normalizeName(name)
+	for _, v := range f.data {
+		if v.Name == nme {
+			nw := reflect.New(v.Type).Interface()
+			if dec, ok := nw.(encoding.TextUnmarshaler); ok {
+				if err := dec.UnmarshalText([]byte(data)); err != nil {
+					return nil, err
+				}
+				return nw, nil
+			}
+			return nil, errors.InvalidTypeName(name)
+		}
+	}
+	return nil, errors.InvalidTypeName(name)
+}