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vendor/github.com/go-openapi/validate/rexp.go
71 строка
2 KB
Justin Pierce
Add compat_otp package with openshift-tests-private (OTP) util implementations
11 авг 2025, 18:00
11 авг 2025, 18:00
80ac5c1
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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 ( re "regexp" "sync" "sync/atomic" ) // Cache for compiled regular expressions var ( cacheMutex = &sync.Mutex{} reDict = atomic.Value{} // map[string]*re.Regexp ) func compileRegexp(pattern string) (*re.Regexp, error) { if cache, ok := reDict.Load().(map[string]*re.Regexp); ok { if r := cache[pattern]; r != nil { return r, nil } } r, err := re.Compile(pattern) if err != nil { return nil, err } cacheRegexp(r) return r, nil } func mustCompileRegexp(pattern string) *re.Regexp { if cache, ok := reDict.Load().(map[string]*re.Regexp); ok { if r := cache[pattern]; r != nil { return r } } r := re.MustCompile(pattern) cacheRegexp(r) return r } func cacheRegexp(r *re.Regexp) { cacheMutex.Lock() defer cacheMutex.Unlock() if cache, ok := reDict.Load().(map[string]*re.Regexp); !ok || cache[r.String()] == nil { newCache := map[string]*re.Regexp{ r.String(): r, } for k, v := range cache { newCache[k] = v } reDict.Store(newCache) } }