646 lines
18 KiB
Go
646 lines
18 KiB
Go
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// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package spec
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import (
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"encoding/json"
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"fmt"
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"strings"
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"github.com/go-openapi/jsonpointer"
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"github.com/go-openapi/swag"
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)
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// BooleanProperty creates a boolean property
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func BooleanProperty() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"boolean"}}}
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}
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// BoolProperty creates a boolean property
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func BoolProperty() *Schema { return BooleanProperty() }
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// StringProperty creates a string property
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func StringProperty() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}}}
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}
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// CharProperty creates a string property
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func CharProperty() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}}}
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}
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// Float64Property creates a float64/double property
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func Float64Property() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"number"}, Format: "double"}}
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}
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// Float32Property creates a float32/float property
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func Float32Property() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"number"}, Format: "float"}}
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}
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// Int8Property creates an int8 property
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func Int8Property() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"integer"}, Format: "int8"}}
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}
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// Int16Property creates an int16 property
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func Int16Property() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"integer"}, Format: "int16"}}
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}
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// Int32Property creates an int32 property
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func Int32Property() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"integer"}, Format: "int32"}}
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}
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// Int64Property creates an int64 property
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func Int64Property() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"integer"}, Format: "int64"}}
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}
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// StrFmtProperty creates a property for the named string format
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func StrFmtProperty(format string) *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}, Format: format}}
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}
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// DateProperty creates a date property
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func DateProperty() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}, Format: "date"}}
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}
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// DateTimeProperty creates a date time property
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func DateTimeProperty() *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}, Format: "date-time"}}
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}
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// MapProperty creates a map property
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func MapProperty(property *Schema) *Schema {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"object"},
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AdditionalProperties: &SchemaOrBool{Allows: true, Schema: property}}}
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}
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// RefProperty creates a ref property
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func RefProperty(name string) *Schema {
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return &Schema{SchemaProps: SchemaProps{Ref: MustCreateRef(name)}}
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}
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// RefSchema creates a ref property
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func RefSchema(name string) *Schema {
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return &Schema{SchemaProps: SchemaProps{Ref: MustCreateRef(name)}}
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}
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// ArrayProperty creates an array property
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func ArrayProperty(items *Schema) *Schema {
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if items == nil {
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return &Schema{SchemaProps: SchemaProps{Type: []string{"array"}}}
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}
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return &Schema{SchemaProps: SchemaProps{Items: &SchemaOrArray{Schema: items}, Type: []string{"array"}}}
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}
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// ComposedSchema creates a schema with allOf
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func ComposedSchema(schemas ...Schema) *Schema {
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s := new(Schema)
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s.AllOf = schemas
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return s
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}
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// SchemaURL represents a schema url
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type SchemaURL string
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// MarshalJSON marshal this to JSON
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func (r SchemaURL) MarshalJSON() ([]byte, error) {
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if r == "" {
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return []byte("{}"), nil
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}
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v := map[string]interface{}{"$schema": string(r)}
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return json.Marshal(v)
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}
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// UnmarshalJSON unmarshal this from JSON
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func (r *SchemaURL) UnmarshalJSON(data []byte) error {
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var v map[string]interface{}
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if err := json.Unmarshal(data, &v); err != nil {
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return err
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}
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return r.fromMap(v)
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}
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func (r *SchemaURL) fromMap(v map[string]interface{}) error {
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if v == nil {
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return nil
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}
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if vv, ok := v["$schema"]; ok {
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if str, ok := vv.(string); ok {
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u, err := parseURL(str)
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if err != nil {
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return err
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}
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*r = SchemaURL(u.String())
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}
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}
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return nil
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}
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// SchemaProps describes a JSON schema (draft 4)
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type SchemaProps struct {
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ID string `json:"id,omitempty"`
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Ref Ref `json:"-"`
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Schema SchemaURL `json:"-"`
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Description string `json:"description,omitempty"`
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Type StringOrArray `json:"type,omitempty"`
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Nullable bool `json:"nullable,omitempty"`
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Format string `json:"format,omitempty"`
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Title string `json:"title,omitempty"`
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Default interface{} `json:"default,omitempty"`
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Maximum *float64 `json:"maximum,omitempty"`
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ExclusiveMaximum bool `json:"exclusiveMaximum,omitempty"`
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Minimum *float64 `json:"minimum,omitempty"`
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ExclusiveMinimum bool `json:"exclusiveMinimum,omitempty"`
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MaxLength *int64 `json:"maxLength,omitempty"`
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MinLength *int64 `json:"minLength,omitempty"`
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Pattern string `json:"pattern,omitempty"`
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MaxItems *int64 `json:"maxItems,omitempty"`
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MinItems *int64 `json:"minItems,omitempty"`
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UniqueItems bool `json:"uniqueItems,omitempty"`
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MultipleOf *float64 `json:"multipleOf,omitempty"`
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Enum []interface{} `json:"enum,omitempty"`
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MaxProperties *int64 `json:"maxProperties,omitempty"`
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MinProperties *int64 `json:"minProperties,omitempty"`
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Required []string `json:"required,omitempty"`
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Items *SchemaOrArray `json:"items,omitempty"`
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AllOf []Schema `json:"allOf,omitempty"`
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OneOf []Schema `json:"oneOf,omitempty"`
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AnyOf []Schema `json:"anyOf,omitempty"`
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Not *Schema `json:"not,omitempty"`
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Properties SchemaProperties `json:"properties,omitempty"`
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AdditionalProperties *SchemaOrBool `json:"additionalProperties,omitempty"`
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PatternProperties SchemaProperties `json:"patternProperties,omitempty"`
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Dependencies Dependencies `json:"dependencies,omitempty"`
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AdditionalItems *SchemaOrBool `json:"additionalItems,omitempty"`
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Definitions Definitions `json:"definitions,omitempty"`
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}
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// SwaggerSchemaProps are additional properties supported by swagger schemas, but not JSON-schema (draft 4)
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type SwaggerSchemaProps struct {
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Discriminator string `json:"discriminator,omitempty"`
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ReadOnly bool `json:"readOnly,omitempty"`
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XML *XMLObject `json:"xml,omitempty"`
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ExternalDocs *ExternalDocumentation `json:"externalDocs,omitempty"`
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Example interface{} `json:"example,omitempty"`
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}
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// Schema the schema object allows the definition of input and output data types.
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// These types can be objects, but also primitives and arrays.
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// This object is based on the [JSON Schema Specification Draft 4](http://json-schema.org/)
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// and uses a predefined subset of it.
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// On top of this subset, there are extensions provided by this specification to allow for more complete documentation.
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//
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// For more information: http://goo.gl/8us55a#schemaObject
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type Schema struct {
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VendorExtensible
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SchemaProps
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SwaggerSchemaProps
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ExtraProps map[string]interface{} `json:"-"`
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}
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// JSONLookup implements an interface to customize json pointer lookup
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func (s Schema) JSONLookup(token string) (interface{}, error) {
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if ex, ok := s.Extensions[token]; ok {
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return &ex, nil
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}
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if ex, ok := s.ExtraProps[token]; ok {
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return &ex, nil
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}
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r, _, err := jsonpointer.GetForToken(s.SchemaProps, token)
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if r != nil || (err != nil && !strings.HasPrefix(err.Error(), "object has no field")) {
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return r, err
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}
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r, _, err = jsonpointer.GetForToken(s.SwaggerSchemaProps, token)
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return r, err
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}
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// WithID sets the id for this schema, allows for chaining
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func (s *Schema) WithID(id string) *Schema {
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s.ID = id
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return s
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}
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// WithTitle sets the title for this schema, allows for chaining
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func (s *Schema) WithTitle(title string) *Schema {
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s.Title = title
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return s
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}
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// WithDescription sets the description for this schema, allows for chaining
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func (s *Schema) WithDescription(description string) *Schema {
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s.Description = description
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return s
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}
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// WithProperties sets the properties for this schema
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func (s *Schema) WithProperties(schemas map[string]Schema) *Schema {
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s.Properties = schemas
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return s
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}
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// SetProperty sets a property on this schema
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func (s *Schema) SetProperty(name string, schema Schema) *Schema {
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if s.Properties == nil {
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s.Properties = make(map[string]Schema)
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}
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s.Properties[name] = schema
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return s
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}
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// WithAllOf sets the all of property
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func (s *Schema) WithAllOf(schemas ...Schema) *Schema {
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s.AllOf = schemas
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return s
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}
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// WithMaxProperties sets the max number of properties an object can have
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func (s *Schema) WithMaxProperties(max int64) *Schema {
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s.MaxProperties = &max
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return s
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}
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// WithMinProperties sets the min number of properties an object must have
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func (s *Schema) WithMinProperties(min int64) *Schema {
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s.MinProperties = &min
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return s
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}
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// Typed sets the type of this schema for a single value item
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func (s *Schema) Typed(tpe, format string) *Schema {
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s.Type = []string{tpe}
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s.Format = format
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return s
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}
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// AddType adds a type with potential format to the types for this schema
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func (s *Schema) AddType(tpe, format string) *Schema {
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s.Type = append(s.Type, tpe)
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if format != "" {
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s.Format = format
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}
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return s
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}
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// AsNullable flags this schema as nullable.
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func (s *Schema) AsNullable() *Schema {
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s.Nullable = true
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return s
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}
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// CollectionOf a fluent builder method for an array parameter
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func (s *Schema) CollectionOf(items Schema) *Schema {
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s.Type = []string{jsonArray}
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s.Items = &SchemaOrArray{Schema: &items}
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return s
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}
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// WithDefault sets the default value on this parameter
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func (s *Schema) WithDefault(defaultValue interface{}) *Schema {
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s.Default = defaultValue
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return s
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}
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// WithRequired flags this parameter as required
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func (s *Schema) WithRequired(items ...string) *Schema {
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s.Required = items
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return s
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}
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// AddRequired adds field names to the required properties array
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func (s *Schema) AddRequired(items ...string) *Schema {
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s.Required = append(s.Required, items...)
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return s
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}
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// WithMaxLength sets a max length value
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func (s *Schema) WithMaxLength(max int64) *Schema {
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s.MaxLength = &max
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return s
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}
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// WithMinLength sets a min length value
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func (s *Schema) WithMinLength(min int64) *Schema {
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s.MinLength = &min
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return s
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}
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// WithPattern sets a pattern value
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func (s *Schema) WithPattern(pattern string) *Schema {
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s.Pattern = pattern
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return s
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}
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// WithMultipleOf sets a multiple of value
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func (s *Schema) WithMultipleOf(number float64) *Schema {
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s.MultipleOf = &number
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return s
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}
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// WithMaximum sets a maximum number value
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func (s *Schema) WithMaximum(max float64, exclusive bool) *Schema {
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s.Maximum = &max
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s.ExclusiveMaximum = exclusive
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return s
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}
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// WithMinimum sets a minimum number value
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func (s *Schema) WithMinimum(min float64, exclusive bool) *Schema {
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s.Minimum = &min
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s.ExclusiveMinimum = exclusive
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return s
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}
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// WithEnum sets a the enum values (replace)
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func (s *Schema) WithEnum(values ...interface{}) *Schema {
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s.Enum = append([]interface{}{}, values...)
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return s
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}
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// WithMaxItems sets the max items
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func (s *Schema) WithMaxItems(size int64) *Schema {
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s.MaxItems = &size
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return s
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}
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// WithMinItems sets the min items
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func (s *Schema) WithMinItems(size int64) *Schema {
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s.MinItems = &size
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return s
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}
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// UniqueValues dictates that this array can only have unique items
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func (s *Schema) UniqueValues() *Schema {
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s.UniqueItems = true
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return s
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}
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// AllowDuplicates this array can have duplicates
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func (s *Schema) AllowDuplicates() *Schema {
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s.UniqueItems = false
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return s
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}
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// AddToAllOf adds a schema to the allOf property
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func (s *Schema) AddToAllOf(schemas ...Schema) *Schema {
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s.AllOf = append(s.AllOf, schemas...)
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return s
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}
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// WithDiscriminator sets the name of the discriminator field
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func (s *Schema) WithDiscriminator(discriminator string) *Schema {
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s.Discriminator = discriminator
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return s
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}
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// AsReadOnly flags this schema as readonly
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func (s *Schema) AsReadOnly() *Schema {
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s.ReadOnly = true
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return s
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}
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// AsWritable flags this schema as writeable (not read-only)
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func (s *Schema) AsWritable() *Schema {
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s.ReadOnly = false
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return s
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}
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// WithExample sets the example for this schema
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func (s *Schema) WithExample(example interface{}) *Schema {
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s.Example = example
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return s
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}
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// WithExternalDocs sets/removes the external docs for/from this schema.
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// When you pass empty strings as params the external documents will be removed.
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// When you pass non-empty string as one value then those values will be used on the external docs object.
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// So when you pass a non-empty description, you should also pass the url and vice versa.
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func (s *Schema) WithExternalDocs(description, url string) *Schema {
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if description == "" && url == "" {
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s.ExternalDocs = nil
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return s
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}
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if s.ExternalDocs == nil {
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s.ExternalDocs = &ExternalDocumentation{}
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}
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s.ExternalDocs.Description = description
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s.ExternalDocs.URL = url
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return s
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}
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// WithXMLName sets the xml name for the object
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func (s *Schema) WithXMLName(name string) *Schema {
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if s.XML == nil {
|
||
|
s.XML = new(XMLObject)
|
||
|
}
|
||
|
s.XML.Name = name
|
||
|
return s
|
||
|
}
|
||
|
|
||
|
// WithXMLNamespace sets the xml namespace for the object
|
||
|
func (s *Schema) WithXMLNamespace(namespace string) *Schema {
|
||
|
if s.XML == nil {
|
||
|
s.XML = new(XMLObject)
|
||
|
}
|
||
|
s.XML.Namespace = namespace
|
||
|
return s
|
||
|
}
|
||
|
|
||
|
// WithXMLPrefix sets the xml prefix for the object
|
||
|
func (s *Schema) WithXMLPrefix(prefix string) *Schema {
|
||
|
if s.XML == nil {
|
||
|
s.XML = new(XMLObject)
|
||
|
}
|
||
|
s.XML.Prefix = prefix
|
||
|
return s
|
||
|
}
|
||
|
|
||
|
// AsXMLAttribute flags this object as xml attribute
|
||
|
func (s *Schema) AsXMLAttribute() *Schema {
|
||
|
if s.XML == nil {
|
||
|
s.XML = new(XMLObject)
|
||
|
}
|
||
|
s.XML.Attribute = true
|
||
|
return s
|
||
|
}
|
||
|
|
||
|
// AsXMLElement flags this object as an xml node
|
||
|
func (s *Schema) AsXMLElement() *Schema {
|
||
|
if s.XML == nil {
|
||
|
s.XML = new(XMLObject)
|
||
|
}
|
||
|
s.XML.Attribute = false
|
||
|
return s
|
||
|
}
|
||
|
|
||
|
// AsWrappedXML flags this object as wrapped, this is mostly useful for array types
|
||
|
func (s *Schema) AsWrappedXML() *Schema {
|
||
|
if s.XML == nil {
|
||
|
s.XML = new(XMLObject)
|
||
|
}
|
||
|
s.XML.Wrapped = true
|
||
|
return s
|
||
|
}
|
||
|
|
||
|
// AsUnwrappedXML flags this object as an xml node
|
||
|
func (s *Schema) AsUnwrappedXML() *Schema {
|
||
|
if s.XML == nil {
|
||
|
s.XML = new(XMLObject)
|
||
|
}
|
||
|
s.XML.Wrapped = false
|
||
|
return s
|
||
|
}
|
||
|
|
||
|
// SetValidations defines all schema validations.
|
||
|
//
|
||
|
// NOTE: Required, ReadOnly, AllOf, AnyOf, OneOf and Not are not considered.
|
||
|
func (s *Schema) SetValidations(val SchemaValidations) {
|
||
|
s.Maximum = val.Maximum
|
||
|
s.ExclusiveMaximum = val.ExclusiveMaximum
|
||
|
s.Minimum = val.Minimum
|
||
|
s.ExclusiveMinimum = val.ExclusiveMinimum
|
||
|
s.MaxLength = val.MaxLength
|
||
|
s.MinLength = val.MinLength
|
||
|
s.Pattern = val.Pattern
|
||
|
s.MaxItems = val.MaxItems
|
||
|
s.MinItems = val.MinItems
|
||
|
s.UniqueItems = val.UniqueItems
|
||
|
s.MultipleOf = val.MultipleOf
|
||
|
s.Enum = val.Enum
|
||
|
s.MinProperties = val.MinProperties
|
||
|
s.MaxProperties = val.MaxProperties
|
||
|
s.PatternProperties = val.PatternProperties
|
||
|
}
|
||
|
|
||
|
// WithValidations is a fluent method to set schema validations
|
||
|
func (s *Schema) WithValidations(val SchemaValidations) *Schema {
|
||
|
s.SetValidations(val)
|
||
|
return s
|
||
|
}
|
||
|
|
||
|
// Validations returns a clone of the validations for this schema
|
||
|
func (s Schema) Validations() SchemaValidations {
|
||
|
return SchemaValidations{
|
||
|
CommonValidations: CommonValidations{
|
||
|
Maximum: s.Maximum,
|
||
|
ExclusiveMaximum: s.ExclusiveMaximum,
|
||
|
Minimum: s.Minimum,
|
||
|
ExclusiveMinimum: s.ExclusiveMinimum,
|
||
|
MaxLength: s.MaxLength,
|
||
|
MinLength: s.MinLength,
|
||
|
Pattern: s.Pattern,
|
||
|
MaxItems: s.MaxItems,
|
||
|
MinItems: s.MinItems,
|
||
|
UniqueItems: s.UniqueItems,
|
||
|
MultipleOf: s.MultipleOf,
|
||
|
Enum: s.Enum,
|
||
|
},
|
||
|
MinProperties: s.MinProperties,
|
||
|
MaxProperties: s.MaxProperties,
|
||
|
PatternProperties: s.PatternProperties,
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// MarshalJSON marshal this to JSON
|
||
|
func (s Schema) MarshalJSON() ([]byte, error) {
|
||
|
b1, err := json.Marshal(s.SchemaProps)
|
||
|
if err != nil {
|
||
|
return nil, fmt.Errorf("schema props %v", err)
|
||
|
}
|
||
|
b2, err := json.Marshal(s.VendorExtensible)
|
||
|
if err != nil {
|
||
|
return nil, fmt.Errorf("vendor props %v", err)
|
||
|
}
|
||
|
b3, err := s.Ref.MarshalJSON()
|
||
|
if err != nil {
|
||
|
return nil, fmt.Errorf("ref prop %v", err)
|
||
|
}
|
||
|
b4, err := s.Schema.MarshalJSON()
|
||
|
if err != nil {
|
||
|
return nil, fmt.Errorf("schema prop %v", err)
|
||
|
}
|
||
|
b5, err := json.Marshal(s.SwaggerSchemaProps)
|
||
|
if err != nil {
|
||
|
return nil, fmt.Errorf("common validations %v", err)
|
||
|
}
|
||
|
var b6 []byte
|
||
|
if s.ExtraProps != nil {
|
||
|
jj, err := json.Marshal(s.ExtraProps)
|
||
|
if err != nil {
|
||
|
return nil, fmt.Errorf("extra props %v", err)
|
||
|
}
|
||
|
b6 = jj
|
||
|
}
|
||
|
return swag.ConcatJSON(b1, b2, b3, b4, b5, b6), nil
|
||
|
}
|
||
|
|
||
|
// UnmarshalJSON marshal this from JSON
|
||
|
func (s *Schema) UnmarshalJSON(data []byte) error {
|
||
|
props := struct {
|
||
|
SchemaProps
|
||
|
SwaggerSchemaProps
|
||
|
}{}
|
||
|
if err := json.Unmarshal(data, &props); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
sch := Schema{
|
||
|
SchemaProps: props.SchemaProps,
|
||
|
SwaggerSchemaProps: props.SwaggerSchemaProps,
|
||
|
}
|
||
|
|
||
|
var d map[string]interface{}
|
||
|
if err := json.Unmarshal(data, &d); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
_ = sch.Ref.fromMap(d)
|
||
|
_ = sch.Schema.fromMap(d)
|
||
|
|
||
|
delete(d, "$ref")
|
||
|
delete(d, "$schema")
|
||
|
for _, pn := range swag.DefaultJSONNameProvider.GetJSONNames(s) {
|
||
|
delete(d, pn)
|
||
|
}
|
||
|
|
||
|
for k, vv := range d {
|
||
|
lk := strings.ToLower(k)
|
||
|
if strings.HasPrefix(lk, "x-") {
|
||
|
if sch.Extensions == nil {
|
||
|
sch.Extensions = map[string]interface{}{}
|
||
|
}
|
||
|
sch.Extensions[k] = vv
|
||
|
continue
|
||
|
}
|
||
|
if sch.ExtraProps == nil {
|
||
|
sch.ExtraProps = map[string]interface{}{}
|
||
|
}
|
||
|
sch.ExtraProps[k] = vv
|
||
|
}
|
||
|
|
||
|
*s = sch
|
||
|
|
||
|
return nil
|
||
|
}
|