func parseArgs()

in commands/commands.go [134:226]
87 lines of code
22 McCabe index (conditional complexity)

func parseArgs(args []string) ([]string, []string, []string, []string, []string, error) {
	var paramArgs []string
	var annotArgs []string
	var feedParamArgs []string
	var triggerParamArgs []string
	var whiskErr error

	i := 0

	for i < len(args) {
		if args[i] == "-P" || args[i] == "--param-file" {
			paramArgs, args, whiskErr = getValueFromArgs(args, i, paramArgs)
			if whiskErr != nil {
				whisk.Debug(whisk.DbgError, "getValueFromArgs(%#v, %d) failed: %s\n", args, i, whiskErr)
				errMsg := wski18n.T("The parameter arguments are invalid: {{.err}}",
					map[string]interface{}{"err": whiskErr})
				whiskErr = whisk.MakeWskError(errors.New(errMsg), whisk.EXIT_CODE_ERR_GENERAL, whisk.DISPLAY_MSG,
					whisk.DISPLAY_USAGE)
				return nil, nil, nil, nil, nil, whiskErr
			}

			filename := paramArgs[len(paramArgs)-1]
			paramArgs[len(paramArgs)-1], whiskErr = ReadFile(filename)
			if whiskErr != nil {
				whisk.Debug(whisk.DbgError, "readFile(%s) error: %s\n", filename, whiskErr)
				return nil, nil, nil, nil, nil, whiskErr
			}
		} else if args[i] == "-A" || args[i] == "--annotation-file" {
			annotArgs, args, whiskErr = getValueFromArgs(args, i, annotArgs)
			if whiskErr != nil {
				whisk.Debug(whisk.DbgError, "getValueFromArgs(%#v, %d) failed: %s\n", args, i, whiskErr)
				errMsg := wski18n.T("The annotation arguments are invalid: {{.err}}",
					map[string]interface{}{"err": whiskErr})
				whiskErr = whisk.MakeWskError(errors.New(errMsg), whisk.EXIT_CODE_ERR_GENERAL, whisk.DISPLAY_MSG,
					whisk.DISPLAY_USAGE)
				return nil, nil, nil, nil, nil, whiskErr
			}

			filename := annotArgs[len(annotArgs)-1]
			annotArgs[len(annotArgs)-1], whiskErr = ReadFile(filename)
			if whiskErr != nil {
				whisk.Debug(whisk.DbgError, "readFile(%s) error: %s\n", filename, whiskErr)
				return nil, nil, nil, nil, nil, whiskErr
			}
		} else if args[i] == "-p" || args[i] == "--param" {
			paramArgs, args, whiskErr = getKeyValueArgs(args, i, paramArgs)
			if whiskErr != nil {
				whisk.Debug(whisk.DbgError, "getKeyValueArgs(%#v, %d) failed: %s\n", args, i, whiskErr)
				errMsg := wski18n.T("The parameter arguments are invalid: {{.err}}",
					map[string]interface{}{"err": whiskErr})
				whiskErr = whisk.MakeWskError(errors.New(errMsg), whisk.EXIT_CODE_ERR_GENERAL, whisk.DISPLAY_MSG,
					whisk.DISPLAY_USAGE)
				return nil, nil, nil, nil, nil, whiskErr
			}
		} else if args[i] == "-a" || args[i] == "--annotation" {
			annotArgs, args, whiskErr = getKeyValueArgs(args, i, annotArgs)
			if whiskErr != nil {
				whisk.Debug(whisk.DbgError, "getKeyValueArgs(%#v, %d) failed: %s\n", args, i, whiskErr)
				errMsg := wski18n.T("The annotation arguments are invalid: {{.err}}",
					map[string]interface{}{"err": whiskErr})
				whiskErr = whisk.MakeWskError(errors.New(errMsg), whisk.EXIT_CODE_ERR_GENERAL, whisk.DISPLAY_MSG,
					whisk.DISPLAY_USAGE)
				return nil, nil, nil, nil, nil, whiskErr
			}
		} else if args[i] == "-F" || args[i] == "--feed-param" {
			feedParamArgs, args, whiskErr = getKeyValueArgs(args, i, feedParamArgs)
			if whiskErr != nil {
				whisk.Debug(whisk.DbgError, "getKeyValueArgs(%#v, %d) failed: %s\n", args, i, whiskErr)
				whiskErr = whisk.MakeWskError(whiskErr, whisk.EXIT_CODE_ERR_GENERAL, whisk.DISPLAY_MSG,
					whisk.DISPLAY_USAGE)
				return nil, nil, nil, nil, nil, whiskErr
			}
		} else if args[i] == "-T" || args[i] == "--trigger-param" {
			triggerParamArgs, args, whiskErr = getKeyValueArgs(args, i, triggerParamArgs)
			if whiskErr != nil {
				whisk.Debug(whisk.DbgError, "getKeyValueArgs(%#v, %d) failed: %s\n", args, i, whiskErr)
				whiskErr = whisk.MakeWskError(whiskErr, whisk.EXIT_CODE_ERR_GENERAL, whisk.DISPLAY_MSG,
					whisk.DISPLAY_USAGE)
				return nil, nil, nil, nil, nil, whiskErr
			}
		} else {
			i++
		}
	}

	whisk.Debug(whisk.DbgInfo, "Found param args '%s'.\n", paramArgs)
	whisk.Debug(whisk.DbgInfo, "Found annotations args '%s'.\n", annotArgs)
	whisk.Debug(whisk.DbgInfo, "Found feed param args '%s'.\n", feedParamArgs)
	whisk.Debug(whisk.DbgInfo, "Found trigger param args '%s'.\n", triggerParamArgs)
	whisk.Debug(whisk.DbgInfo, "Arguments with param args removed '%s'.\n", args)

	return args, paramArgs, annotArgs, feedParamArgs, triggerParamArgs, nil
}