1 files changed, 192 insertions, 0 deletions
diff --git a/vendor/github.com/shurcooL/githubv4/gen.go b/vendor/github.com/shurcooL/githubv4/gen.go
new file mode 100644
index 00000000..43ad1e35
--- /dev/null
+++ b/vendor/github.com/shurcooL/githubv4/gen.go
@@ -0,0 +1,192 @@
+// +build ignore
+
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"flag"
+	"fmt"
+	"go/format"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"sort"
+	"strconv"
+	"strings"
+	"text/template"
+
+	"github.com/shurcooL/graphql/ident"
+)
+
+func main() {
+	flag.Parse()
+
+	err := run()
+	if err != nil {
+		log.Fatalln(err)
+	}
+}
+
+func run() error {
+	githubToken, ok := os.LookupEnv("GITHUB_TOKEN")
+	if !ok {
+		return fmt.Errorf("GITHUB_TOKEN environment variable not set")
+	}
+	schema, err := loadSchema(githubToken)
+	if err != nil {
+		return err
+	}
+
+	for filename, t := range templates {
+		var buf bytes.Buffer
+		err := t.Execute(&buf, schema)
+		if err != nil {
+			return err
+		}
+		out, err := format.Source(buf.Bytes())
+		if err != nil {
+			log.Println(err)
+			out = []byte("// gofmt error: " + err.Error() + "\n\n" + buf.String())
+		}
+		fmt.Println("writing", filename)
+		err = ioutil.WriteFile(filename, out, 0644)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func loadSchema(githubToken string) (schema interface{}, err error) {
+	req, err := http.NewRequest("GET", "https://api.github.com/graphql", nil)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Authorization", "bearer "+githubToken)
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	err = json.NewDecoder(resp.Body).Decode(&schema)
+	return schema, err
+}
+
+// Filename -> Template.
+var templates = map[string]*template.Template{
+	"enum.go": t(`// Code generated by gen.go; DO NOT EDIT.
+
+package githubv4
+{{range .data.__schema.types | sortByName}}{{if and (eq .kind "ENUM") (not (internal .name))}}
+{{template "enum" .}}
+{{end}}{{end}}
+
+
+{{- define "enum" -}}
+// {{.name}} {{.description | endSentence}}
+type {{.name}} string
+
+// {{.description | fullSentence}}
+const ({{range .enumValues}}
+	{{$.name}}{{.name | enumIdentifier}} {{$.name}} = {{.name | quote}} // {{.description | fullSentence}}{{end}}
+)
+{{- end -}}
+`),
+
+	"input.go": t(`// Code generated by gen.go; DO NOT EDIT.
+
+package githubv4
+
+// Input represents one of the Input structs:
+//
+// {{join (inputObjects .data.__schema.types) ", "}}.
+type Input interface{}
+{{range .data.__schema.types | sortByName}}{{if eq .kind "INPUT_OBJECT"}}
+{{template "inputObject" .}}
+{{end}}{{end}}
+
+
+{{- define "inputObject" -}}
+// {{.name}} {{.description | endSentence}}
+type {{.name}} struct {{"{"}}{{range .inputFields}}{{if eq .type.kind "NON_NULL"}}
+	// {{.description | fullSentence}} (Required.)
+	{{.name | identifier}} {{.type | type}} ` + "`" + `json:"{{.name}}"` + "`" + `{{end}}{{end}}
+{{range .inputFields}}{{if ne .type.kind "NON_NULL"}}
+	// {{.description | fullSentence}} (Optional.)
+	{{.name | identifier}} {{.type | type}} ` + "`" + `json:"{{.name}},omitempty"` + "`" + `{{end}}{{end}}
+}
+{{- end -}}
+`),
+}
+
+func t(text string) *template.Template {
+	// typeString returns a string representation of GraphQL type t.
+	var typeString func(t map[string]interface{}) string
+	typeString = func(t map[string]interface{}) string {
+		switch t["kind"] {
+		case "NON_NULL":
+			s := typeString(t["ofType"].(map[string]interface{}))
+			if !strings.HasPrefix(s, "*") {
+				panic(fmt.Errorf("nullable type %q doesn't begin with '*'", s))
+			}
+			return s[1:] // Strip star from nullable type to make it non-null.
+		case "LIST":
+			return "*[]" + typeString(t["ofType"].(map[string]interface{}))
+		default:
+			return "*" + t["name"].(string)
+		}
+	}
+
+	return template.Must(template.New("").Funcs(template.FuncMap{
+		"internal": func(s string) bool { return strings.HasPrefix(s, "__") },
+		"quote":    strconv.Quote,
+		"join":     strings.Join,
+		"sortByName": func(types []interface{}) []interface{} {
+			sort.Slice(types, func(i, j int) bool {
+				ni := types[i].(map[string]interface{})["name"].(string)
+				nj := types[j].(map[string]interface{})["name"].(string)
+				return ni < nj
+			})
+			return types
+		},
+		"inputObjects": func(types []interface{}) []string {
+			var names []string
+			for _, t := range types {
+				t := t.(map[string]interface{})
+				if t["kind"].(string) != "INPUT_OBJECT" {
+					continue
+				}
+				names = append(names, t["name"].(string))
+			}
+			sort.Strings(names)
+			return names
+		},
+		"identifier":     func(name string) string { return ident.ParseLowerCamelCase(name).ToMixedCaps() },
+		"enumIdentifier": func(name string) string { return ident.ParseScreamingSnakeCase(name).ToMixedCaps() },
+		"type":           typeString,
+		"endSentence": func(s string) string {
+			s = strings.ToLower(s[0:1]) + s[1:]
+			switch {
+			default:
+				s = "represents " + s
+			case strings.HasPrefix(s, "autogenerated "):
+				s = "is an " + s
+			case strings.HasPrefix(s, "specifies "):
+				// Do nothing.
+			}
+			if !strings.HasSuffix(s, ".") {
+				s += "."
+			}
+			return s
+		},
+		"fullSentence": func(s string) string {
+			if !strings.HasSuffix(s, ".") {
+				s += "."
+			}
+			return s
+		},
+	}).Parse(text))
+}