mirror of https://github.com/go-gitea/gitea.git
126 lines
3.7 KiB
Go
126 lines
3.7 KiB
Go
//+build !go1.11
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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 generate
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"github.com/go-openapi/loads"
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"github.com/go-openapi/spec"
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"github.com/go-swagger/go-swagger/scan"
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"github.com/jessevdk/go-flags"
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"gopkg.in/yaml.v2"
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)
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// SpecFile command to generate a swagger spec from a go application
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type SpecFile struct {
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BasePath string `long:"base-path" short:"b" description:"the base path to use" default:"."`
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BuildTags string `long:"tags" short:"t" description:"build tags" default:""`
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ScanModels bool `long:"scan-models" short:"m" description:"includes models that were annotated with 'swagger:model'"`
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Compact bool `long:"compact" description:"when present, doesn't prettify the json"`
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Output flags.Filename `long:"output" short:"o" description:"the file to write to"`
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Input flags.Filename `long:"input" short:"i" description:"the file to use as input"`
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Include []string `long:"include" short:"c" description:"include packages matching pattern"`
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Exclude []string `long:"exclude" short:"x" description:"exclude packages matching pattern"`
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IncludeTags []string `long:"include-tag" short:"" description:"include routes having specified tags (can be specified many times)"`
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ExcludeTags []string `long:"exclude-tag" short:"" description:"exclude routes having specified tags (can be specified many times)"`
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}
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// Execute runs this command
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func (s *SpecFile) Execute(args []string) error {
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input, err := loadSpec(string(s.Input))
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if err != nil {
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return err
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}
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var opts scan.Opts
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opts.BasePath = s.BasePath
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opts.Input = input
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opts.ScanModels = s.ScanModels
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opts.BuildTags = s.BuildTags
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opts.Include = s.Include
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opts.Exclude = s.Exclude
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opts.IncludeTags = s.IncludeTags
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opts.ExcludeTags = s.ExcludeTags
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swspec, err := scan.Application(opts)
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if err != nil {
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return err
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}
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return writeToFile(swspec, !s.Compact, string(s.Output))
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}
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func loadSpec(input string) (*spec.Swagger, error) {
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if fi, err := os.Stat(input); err == nil {
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if fi.IsDir() {
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return nil, fmt.Errorf("expected %q to be a file not a directory", input)
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}
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sp, err := loads.Spec(input)
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if err != nil {
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return nil, err
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}
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return sp.Spec(), nil
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}
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return nil, nil
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}
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func writeToFile(swspec *spec.Swagger, pretty bool, output string) error {
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var b []byte
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var err error
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if strings.HasSuffix(output, "yml") || strings.HasSuffix(output, "yaml") {
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b, err = marshalToYAMLFormat(swspec)
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} else {
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b, err = marshalToJSONFormat(swspec, pretty)
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}
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if err != nil {
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return err
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}
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if output == "" {
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fmt.Println(string(b))
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return nil
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}
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return ioutil.WriteFile(output, b, 0644)
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}
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func marshalToJSONFormat(swspec *spec.Swagger, pretty bool) ([]byte, error) {
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if pretty {
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return json.MarshalIndent(swspec, "", " ")
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}
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return json.Marshal(swspec)
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}
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func marshalToYAMLFormat(swspec *spec.Swagger) ([]byte, error) {
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b, err := json.Marshal(swspec)
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if err != nil {
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return nil, err
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}
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var jsonObj interface{}
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if err := yaml.Unmarshal(b, &jsonObj); err != nil {
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return nil, err
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}
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return yaml.Marshal(jsonObj)
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}
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