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| 1 | +// package main is the cmd |
| 2 | +package main |
| 3 | + |
| 4 | +import ( |
| 5 | + "encoding/json" |
| 6 | + "flag" |
| 7 | + "fmt" |
| 8 | + "io" |
| 9 | + "io/ioutil" |
| 10 | + "os" |
| 11 | + "path" |
| 12 | + "strings" |
| 13 | +) |
| 14 | + |
| 15 | +type shapeType string |
| 16 | + |
| 17 | +const ( |
| 18 | + shapeTypeService shapeType = "service" |
| 19 | + // ... |
| 20 | +) |
| 21 | + |
| 22 | +type smithyModel struct { |
| 23 | + Shapes map[string]smithyShape `json:"shapes"` |
| 24 | +} |
| 25 | + |
| 26 | +func (m *smithyModel) Service() *serviceShape { |
| 27 | + for _, s := range m.Shapes { |
| 28 | + if s.typ == shapeTypeService { |
| 29 | + return s.asService() |
| 30 | + } |
| 31 | + } |
| 32 | + panic("no service shape found") |
| 33 | +} |
| 34 | + |
| 35 | +type smithyShape struct { |
| 36 | + typ shapeType |
| 37 | + raw []byte |
| 38 | +} |
| 39 | + |
| 40 | +func (s *smithyShape) UnmarshalJSON(p []byte) error { |
| 41 | + var head = struct { |
| 42 | + Type shapeType `json:"type"` |
| 43 | + }{} |
| 44 | + if err := json.Unmarshal(p, &head); err != nil { |
| 45 | + return nil |
| 46 | + } |
| 47 | + |
| 48 | + s.typ = head.Type |
| 49 | + s.raw = p |
| 50 | + return nil |
| 51 | +} |
| 52 | + |
| 53 | +func (s *smithyShape) asService() *serviceShape { |
| 54 | + var shape serviceShape |
| 55 | + if err := json.Unmarshal(s.raw, &shape); err != nil { |
| 56 | + panic(err) |
| 57 | + } |
| 58 | + |
| 59 | + return &shape |
| 60 | +} |
| 61 | + |
| 62 | +type serviceShape struct { |
| 63 | + Version string `json:"version"` |
| 64 | + Traits smithyTraits `json:"traits"` |
| 65 | +} |
| 66 | + |
| 67 | +type smithyTraits map[string]json.RawMessage |
| 68 | + |
| 69 | +func (ts smithyTraits) ServiceTrait() (*serviceTrait, bool) { |
| 70 | + const traitID = "aws.api#service" |
| 71 | + |
| 72 | + raw, ok := ts[traitID] |
| 73 | + if !ok { |
| 74 | + return nil, false |
| 75 | + } |
| 76 | + |
| 77 | + var v serviceTrait |
| 78 | + if err := json.Unmarshal(raw, &v); err != nil { |
| 79 | + panic(err) |
| 80 | + } |
| 81 | + |
| 82 | + return &v, true |
| 83 | +} |
| 84 | + |
| 85 | +type serviceTrait struct { |
| 86 | + SdkID string `json:"sdkId"` |
| 87 | + DocID string `json:"docId"` |
| 88 | +} |
| 89 | + |
| 90 | +func loadModels(dir string) ([]smithyModel, error) { |
| 91 | + files, err := ioutil.ReadDir(dir) |
| 92 | + if err != nil { |
| 93 | + return nil, fmt.Errorf("read models dir: %w", err) |
| 94 | + } |
| 95 | + |
| 96 | + var models []smithyModel |
| 97 | + for _, file := range files { |
| 98 | + f, err := os.Open(path.Join(dir, file.Name())) |
| 99 | + if err != nil { |
| 100 | + return nil, fmt.Errorf("open %s: %w", file.Name(), err) |
| 101 | + } |
| 102 | + |
| 103 | + p, err := io.ReadAll(f) |
| 104 | + if err != nil { |
| 105 | + return nil, fmt.Errorf("read %s: %w", file.Name(), err) |
| 106 | + } |
| 107 | + |
| 108 | + var model smithyModel |
| 109 | + if err := json.Unmarshal(p, &model); err != nil { |
| 110 | + return nil, fmt.Errorf("unmarshal %s: %w", file.Name(), err) |
| 111 | + } |
| 112 | + |
| 113 | + models = append(models, model) |
| 114 | + } |
| 115 | + return models, nil |
| 116 | +} |
| 117 | + |
| 118 | +func mtoc(model *smithyModel) (docID, pkgName string) { |
| 119 | + service := model.Service() |
| 120 | + serviceTrait, ok := service.Traits.ServiceTrait() |
| 121 | + if !ok { |
| 122 | + panic("no service trait") |
| 123 | + } |
| 124 | + |
| 125 | + pkgName = topkg(serviceTrait.SdkID) |
| 126 | + docID = serviceTrait.DocID |
| 127 | + if docID == "" { |
| 128 | + docID = fmt.Sprintf("%s-%s", normalize2(serviceTrait.SdkID), service.Version) |
| 129 | + } |
| 130 | + return |
| 131 | +} |
| 132 | + |
| 133 | +func topkg(sdkID string) (pkg string) { |
| 134 | + pkg = strings.ToLower(sdkID) |
| 135 | + pkg = strings.Replace(pkg, " ", "", -1) |
| 136 | + pkg = strings.Replace(pkg, "-", "", -1) |
| 137 | + return |
| 138 | +} |
| 139 | + |
| 140 | +func normalize2(sdkID string) (v string) { |
| 141 | + v = strings.ToLower(sdkID) |
| 142 | + v = strings.Replace(v, " ", "-", -1) |
| 143 | + return |
| 144 | +} |
| 145 | + |
| 146 | +func main() { |
| 147 | + var modelsDir string |
| 148 | + flag.StringVar(&modelsDir, "modelsDir", "", "full path to aws-models directory") |
| 149 | + flag.Parse() |
| 150 | + if modelsDir == "" { |
| 151 | + panic("modelsDir not set") |
| 152 | + } |
| 153 | + |
| 154 | + models, err := loadModels(modelsDir) |
| 155 | + if err != nil { |
| 156 | + panic(err) |
| 157 | + } |
| 158 | + |
| 159 | + docToPkg := map[string]string{} |
| 160 | + for _, model := range models { |
| 161 | + doc, pkg := mtoc(&model) |
| 162 | + docToPkg[doc] = pkg |
| 163 | + } |
| 164 | + |
| 165 | + var mapping string |
| 166 | + for k, v := range docToPkg { |
| 167 | + mapping += fmt.Sprintf(" '%s': '%s',\n", k, v) |
| 168 | + } |
| 169 | + |
| 170 | + page := `<!DOCTYPE html> |
| 171 | +<html> |
| 172 | + <script type="text/javascript"> |
| 173 | + (function() { |
| 174 | + var docToPkg = { |
| 175 | +` + mapping + ` }; |
| 176 | +
|
| 177 | + var query = new URL(window.location.href).searchParams; |
| 178 | + var docId = query.get('doc'); |
| 179 | + var operation = query.get('operation'); |
| 180 | + if (docId === null || operation === null) { |
| 181 | + window.location = 'https://pkg.go.dev/github.com/aws/aws-sdk-go-v2'; |
| 182 | + return; |
| 183 | + } |
| 184 | +
|
| 185 | + var service = docToPkg[docId]; |
| 186 | + if (service === undefined) { |
| 187 | + window.location = 'https://pkg.go.dev/github.com/aws/aws-sdk-go-v2'; |
| 188 | + return; |
| 189 | + } |
| 190 | +
|
| 191 | + window.location = 'https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/service/' + service + '#Client.' + operation; |
| 192 | + })(); |
| 193 | + </script> |
| 194 | +</html>` |
| 195 | + |
| 196 | + fmt.Println(page) |
| 197 | +} |
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