Fixed generation of swagger docs (#29)

vendor/github.com/swaggo/swag/cmd/swag/main.go

@@ -0,0 +1,65 @@
+package main
+
+import (
+	"log"
+	"os"
+
+	"github.com/pkg/errors"
+	"github.com/swaggo/swag"
+	"github.com/swaggo/swag/gen"
+	"github.com/urfave/cli"
+)
+
+func main() {
+	app := cli.NewApp()
+	app.Version = swag.Version
+	app.Usage = "Automatically generate RESTful API documentation with Swagger 2.0 for Go."
+	app.Commands = []cli.Command{
+		{
+			Name:    "init",
+			Aliases: []string{"i"},
+			Usage:   "Create docs.go",
+			Action: func(c *cli.Context) error {
+				dir := c.String("dir")
+				mainAPIFile := c.String("generalInfo")
+				swaggerConfDir := c.String("swagger")
+				strategy := c.String("propertyStrategy")
+				switch strategy {
+				case swag.CamelCase, swag.SnakeCase, swag.PascalCase:
+				default:
+					return errors.Errorf("not supported %s propertyStrategy", strategy)
+				}
+
+				gen.New().Build(dir, mainAPIFile, swaggerConfDir, strategy)
+				return nil
+			},
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:  "generalInfo, g",
+					Value: "main.go",
+					Usage: "Go file path in which 'swagger general API Info' is written",
+				},
+				cli.StringFlag{
+					Name:  "dir, d",
+					Value: "./",
+					Usage: "Directory you want to parse",
+				},
+				cli.StringFlag{
+					Name:  "swagger, s",
+					Value: "./docs/swagger",
+					Usage: "Output the swagger conf for json and yaml",
+				},
+				cli.StringFlag{
+					Name:  "propertyStrategy, p",
+					Value: "camelcase",
+					Usage: "Property Naming Strategy like snakecase,camelcase,pascalcase",
+				},
+			},
+		},
+	}
+
+	err := app.Run(os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
+}