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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,272 @@ | ||
| package commands | ||
|
|
||
| import ( | ||
| "io" | ||
| "io/ioutil" | ||
|
|
||
| "github.com/buger/jsonparser" | ||
| ) | ||
|
|
||
| func unescape(b []byte) string { | ||
| buf := make([]byte, 0, len(b)) | ||
| buf, err := jsonparser.Unescape(b, buf) | ||
| if err != nil { | ||
| return string(b) | ||
| } | ||
| return string(buf) | ||
| } | ||
|
|
||
| func UnmarshalPackageConfig(r io.Reader) (*PackageConfig, error) { | ||
| configData, err := ioutil.ReadAll(r) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| pkgConfig := &PackageConfig{} | ||
|
|
||
| type stringMapping struct { | ||
| path []string | ||
| ptr *string | ||
| } | ||
|
|
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| parseStrings := func(data []byte, mappings []stringMapping) { | ||
| for _, mapping := range mappings { | ||
| value, err := jsonparser.GetString(data, mapping.path...) | ||
| if err == nil { | ||
| *mapping.ptr = value | ||
| } | ||
| } | ||
| } | ||
|
|
||
| parseStrings(configData, | ||
| []stringMapping{ | ||
| { | ||
| path: []string{"name"}, | ||
| ptr: &pkgConfig.Name, | ||
| }, | ||
| { | ||
| path: []string{"version"}, | ||
| ptr: &pkgConfig.Version, | ||
| }, | ||
| { | ||
| path: []string{"license"}, | ||
| ptr: &pkgConfig.License, | ||
| }, | ||
| { | ||
| path: []string{"description"}, | ||
| ptr: &pkgConfig.Description, | ||
| }, | ||
| { | ||
| path: []string{"homepage"}, | ||
| ptr: &pkgConfig.Homepage, | ||
| }, | ||
| { | ||
| path: []string{"main"}, | ||
| ptr: &pkgConfig.Main, | ||
| }, | ||
| { | ||
| path: []string{"engines", "node"}, | ||
| ptr: &pkgConfig.Engines.Node, | ||
| }, | ||
| { | ||
| path: []string{"engines", "npm"}, | ||
| ptr: &pkgConfig.Engines.Npm, | ||
| }, | ||
| { | ||
| path: []string{"repository"}, | ||
| ptr: &pkgConfig.Repository.SingleLine, | ||
| }, | ||
| { | ||
| path: []string{"repository", "type"}, | ||
| ptr: &pkgConfig.Repository.Type, | ||
| }, | ||
| { | ||
| path: []string{"repository", "url"}, | ||
| ptr: &pkgConfig.Repository.Url, | ||
| }, | ||
| { | ||
| path: []string{"author"}, | ||
| ptr: &pkgConfig.Author.SingleLine, | ||
| }, | ||
| { | ||
| path: []string{"author", "email"}, | ||
| ptr: &pkgConfig.Author.Email, | ||
| }, | ||
| { | ||
| path: []string{"author", "name"}, | ||
| ptr: &pkgConfig.Author.Name, | ||
| }, | ||
| { | ||
| path: []string{"author", "url"}, | ||
| ptr: &pkgConfig.Author.Url, | ||
| }, | ||
| { | ||
| path: []string{"bugs"}, | ||
| ptr: &pkgConfig.Bugs.Url, | ||
| }, | ||
| { | ||
| path: []string{"bugs", "url"}, | ||
| ptr: &pkgConfig.Bugs.Url, | ||
| }, | ||
| }, | ||
| ) | ||
|
|
||
| for _, mapping := range []struct { | ||
| field string | ||
| ptr *bool | ||
| }{ | ||
| { | ||
| field: "deprecated", | ||
| ptr: &pkgConfig.Deprecated, | ||
| }, | ||
| { | ||
| field: "private", | ||
| ptr: &pkgConfig.Private, | ||
| }, | ||
| } { | ||
| value, err := jsonparser.GetBoolean(configData, mapping.field) | ||
| if err == nil { | ||
| *mapping.ptr = value | ||
| } | ||
| } | ||
|
|
||
| for _, mapping := range []struct { | ||
| field string | ||
| ptr *[]string | ||
| }{ | ||
| { | ||
| field: "files", | ||
| ptr: &pkgConfig.Files, | ||
| }, | ||
| { | ||
| field: "keywords", | ||
| ptr: &pkgConfig.Keywords, | ||
| }, | ||
| { | ||
| field: "os", | ||
| ptr: &pkgConfig.Os, | ||
| }, | ||
| { | ||
| field: "cpu", | ||
| ptr: &pkgConfig.Cpu, | ||
| }, | ||
| { | ||
| field: "bundleDependencies", | ||
| ptr: &pkgConfig.BundledDependencies, | ||
| }, | ||
| { | ||
| // both this spelling and the spelling above are honoured | ||
| field: "bundledDependencies", | ||
| ptr: &pkgConfig.BundledDependencies, | ||
| }, | ||
| } { | ||
| value, dataType, _, err := jsonparser.Get(configData, mapping.field) | ||
| if err != nil { | ||
| if err == jsonparser.KeyPathNotFoundError { | ||
| continue | ||
| } | ||
| return nil, err | ||
| } | ||
| switch dataType { | ||
| case jsonparser.Array: | ||
| _, _ = jsonparser.ArrayEach(value, func(innerValue []byte, dataType jsonparser.ValueType, offset int, err error) { | ||
| if dataType == jsonparser.String { | ||
| *mapping.ptr = append(*mapping.ptr, unescape(innerValue)) | ||
| } | ||
| }) | ||
| case jsonparser.String: | ||
| *mapping.ptr = append(*mapping.ptr, string(value)) | ||
| } | ||
| } | ||
|
|
||
| for _, mapping := range []struct { | ||
| field string | ||
| ptr *map[string]string | ||
| }{ | ||
| { | ||
| field: "scripts", | ||
| ptr: &pkgConfig.Scripts, | ||
| }, | ||
| { | ||
| field: "directories", | ||
| ptr: &pkgConfig.Directories, | ||
| }, | ||
| { | ||
| field: "dependencies", | ||
| ptr: &pkgConfig.Dependencies, | ||
| }, | ||
| { | ||
| field: "devDependencies", | ||
| ptr: &pkgConfig.DevDependencies, | ||
| }, | ||
| { | ||
| field: "peerDependencies", | ||
| ptr: &pkgConfig.PeerDependencies, | ||
| }, | ||
| { | ||
| field: "optionalDependencies", | ||
| ptr: &pkgConfig.OptionalDependencies, | ||
| }, | ||
| } { | ||
| value, dataType, _, err := jsonparser.Get(configData, mapping.field) | ||
| if err != nil { | ||
| if err == jsonparser.KeyPathNotFoundError { | ||
| continue | ||
| } | ||
| return nil, err | ||
| } | ||
| switch dataType { | ||
| case jsonparser.Object: | ||
| _ = jsonparser.ObjectEach(value, func(key []byte, innerValue []byte, dataType jsonparser.ValueType, offset int) error { | ||
| if dataType == jsonparser.String { | ||
| if *mapping.ptr == nil { | ||
| *mapping.ptr = map[string]string{} | ||
| } | ||
| (*mapping.ptr)[string(key)] = unescape(innerValue) | ||
| } | ||
| return nil | ||
| }) | ||
| } | ||
| } | ||
| value, dataType, _, err := jsonparser.Get(configData, "contributors") | ||
| if err != nil { | ||
| if err != jsonparser.KeyPathNotFoundError { | ||
| return nil, err | ||
| } | ||
| } else { | ||
| switch dataType { | ||
| case jsonparser.Array: | ||
| _, _ = jsonparser.ArrayEach(value, func(innerValue []byte, dataType jsonparser.ValueType, offset int, err error) { | ||
| switch dataType { | ||
| case jsonparser.String: | ||
| pkgConfig.Contributors = append(pkgConfig.Contributors, Author{SingleLine: unescape(innerValue)}) | ||
| case jsonparser.Object: | ||
| contributor := Author{} | ||
| parseStrings(innerValue, | ||
| []stringMapping{ | ||
| { | ||
| path: []string{""}, | ||
| ptr: &contributor.SingleLine, | ||
| }, | ||
| { | ||
| path: []string{"email"}, | ||
| ptr: &contributor.Email, | ||
| }, | ||
| { | ||
| path: []string{"name"}, | ||
| ptr: &contributor.Name, | ||
| }, | ||
| { | ||
| path: []string{"url"}, | ||
| ptr: &contributor.Url, | ||
| }, | ||
| }, | ||
| ) | ||
| pkgConfig.Contributors = append(pkgConfig.Contributors, contributor) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| return pkgConfig, nil | ||
| } |
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