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gitea/vendor/github.com/go-openapi/spec/cache.go
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Vendor Update (#14496)
* update code.gitea.io/sdk/gitea v0.13.1 -> v0.13.2

* update github.com/go-swagger/go-swagger v0.25.0 -> v0.26.0

* update github.com/google/uuid v1.1.2 -> v1.2.0

* update github.com/klauspost/compress v1.11.3 -> v1.11.7

* update github.com/lib/pq 083382b7e6fc -> v1.9.0

* update github.com/markbates/goth v1.65.0 -> v1.66.1

* update github.com/mattn/go-sqlite3 v1.14.4 -> v1.14.6

* update github.com/mgechev/revive 246eac737dc7 -> v1.0.3

* update github.com/minio/minio-go/v7 v7.0.6 -> v7.0.7

* update github.com/niklasfasching/go-org v1.3.2 -> v1.4.0

* update github.com/olivere/elastic/v7 v7.0.21 -> v7.0.22

* update github.com/pquerna/otp v1.2.0 -> v1.3.0

* update github.com/xanzy/go-gitlab v0.39.0 -> v0.42.0

* update github.com/yuin/goldmark v1.2.1 -> v1.3.1
2021-01-28 17:56:38 +01:00

98 lines
2.5 KiB
Go
Vendored

// 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 spec
import (
"sync"
)
// ResolutionCache a cache for resolving urls
type ResolutionCache interface {
Get(string) (interface{}, bool)
Set(string, interface{})
}
type simpleCache struct {
lock sync.RWMutex
store map[string]interface{}
}
func (s *simpleCache) ShallowClone() ResolutionCache {
store := make(map[string]interface{}, len(s.store))
s.lock.RLock()
for k, v := range s.store {
store[k] = v
}
s.lock.RUnlock()
return &simpleCache{
store: store,
}
}
// Get retrieves a cached URI
func (s *simpleCache) Get(uri string) (interface{}, bool) {
s.lock.RLock()
v, ok := s.store[uri]
s.lock.RUnlock()
return v, ok
}
// Set caches a URI
func (s *simpleCache) Set(uri string, data interface{}) {
s.lock.Lock()
s.store[uri] = data
s.lock.Unlock()
}
var (
// resCache is a package level cache for $ref resolution and expansion.
// It is initialized lazily by methods that have the need for it: no
// memory is allocated unless some expander methods are called.
//
// It is initialized with JSON schema and swagger schema,
// which do not mutate during normal operations.
//
// All subsequent utilizations of this cache are produced from a shallow
// clone of this initial version.
resCache *simpleCache
onceCache sync.Once
_ ResolutionCache = &simpleCache{}
)
// initResolutionCache initializes the URI resolution cache. To be wrapped in a sync.Once.Do call.
func initResolutionCache() {
resCache = defaultResolutionCache()
}
func defaultResolutionCache() *simpleCache {
return &simpleCache{store: map[string]interface{}{
"http://swagger.io/v2/schema.json": MustLoadSwagger20Schema(),
"http://json-schema.org/draft-04/schema": MustLoadJSONSchemaDraft04(),
}}
}
func cacheOrDefault(cache ResolutionCache) ResolutionCache {
onceCache.Do(initResolutionCache)
if cache != nil {
return cache
}
// get a shallow clone of the base cache with swagger and json schema
return resCache.ShallowClone()
}