diff options
Diffstat (limited to 'vendor/github.com/googleapis/gnostic/compiler/reader.go')
| -rw-r--r-- | vendor/github.com/googleapis/gnostic/compiler/reader.go | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/vendor/github.com/googleapis/gnostic/compiler/reader.go b/vendor/github.com/googleapis/gnostic/compiler/reader.go deleted file mode 100644 index 604a46a6a..000000000 --- a/vendor/github.com/googleapis/gnostic/compiler/reader.go +++ /dev/null @@ -1,167 +0,0 @@ -// Copyright 2017 Google Inc. All Rights Reserved. -// -// 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 compiler - -import ( - "fmt" - "gopkg.in/yaml.v2" - "io/ioutil" - "log" - "net/http" - "net/url" - "path/filepath" - "strings" -) - -var fileCache map[string][]byte -var infoCache map[string]interface{} -var count int64 - -var verboseReader = false - -func initializeFileCache() { - if fileCache == nil { - fileCache = make(map[string][]byte, 0) - } -} - -func initializeInfoCache() { - if infoCache == nil { - infoCache = make(map[string]interface{}, 0) - } -} - -// FetchFile gets a specified file from the local filesystem or a remote location. -func FetchFile(fileurl string) ([]byte, error) { - initializeFileCache() - bytes, ok := fileCache[fileurl] - if ok { - if verboseReader { - log.Printf("Cache hit %s", fileurl) - } - return bytes, nil - } - log.Printf("Fetching %s", fileurl) - response, err := http.Get(fileurl) - if err != nil { - return nil, err - } - defer response.Body.Close() - bytes, err = ioutil.ReadAll(response.Body) - if err == nil { - fileCache[fileurl] = bytes - } - return bytes, err -} - -// ReadBytesForFile reads the bytes of a file. -func ReadBytesForFile(filename string) ([]byte, error) { - // is the filename a url? - fileurl, _ := url.Parse(filename) - if fileurl.Scheme != "" { - // yes, fetch it - bytes, err := FetchFile(filename) - if err != nil { - return nil, err - } - return bytes, nil - } - // no, it's a local filename - bytes, err := ioutil.ReadFile(filename) - if err != nil { - return nil, err - } - return bytes, nil -} - -// ReadInfoFromBytes unmarshals a file as a yaml.MapSlice. -func ReadInfoFromBytes(filename string, bytes []byte) (interface{}, error) { - initializeInfoCache() - cachedInfo, ok := infoCache[filename] - if ok { - if verboseReader { - log.Printf("Cache hit info for file %s", filename) - } - return cachedInfo, nil - } - if verboseReader { - log.Printf("Reading info for file %s", filename) - } - var info yaml.MapSlice - err := yaml.Unmarshal(bytes, &info) - if err != nil { - return nil, err - } - infoCache[filename] = info - return info, nil -} - -// ReadInfoForRef reads a file and return the fragment needed to resolve a $ref. -func ReadInfoForRef(basefile string, ref string) (interface{}, error) { - initializeInfoCache() - { - info, ok := infoCache[ref] - if ok { - if verboseReader { - log.Printf("Cache hit for ref %s#%s", basefile, ref) - } - return info, nil - } - } - if verboseReader { - log.Printf("Reading info for ref %s#%s", basefile, ref) - } - count = count + 1 - basedir, _ := filepath.Split(basefile) - parts := strings.Split(ref, "#") - var filename string - if parts[0] != "" { - filename = basedir + parts[0] - } else { - filename = basefile - } - bytes, err := ReadBytesForFile(filename) - if err != nil { - return nil, err - } - info, err := ReadInfoFromBytes(filename, bytes) - if err != nil { - log.Printf("File error: %v\n", err) - } else { - if len(parts) > 1 { - path := strings.Split(parts[1], "/") - for i, key := range path { - if i > 0 { - m, ok := info.(yaml.MapSlice) - if ok { - found := false - for _, section := range m { - if section.Key == key { - info = section.Value - found = true - } - } - if !found { - infoCache[ref] = nil - return nil, NewError(nil, fmt.Sprintf("could not resolve %s", ref)) - } - } - } - } - } - } - infoCache[ref] = info - return info, nil -} |