func getPathParameterNames()

in commands/api.go [106:129]

• 22 lines of code
• 7 McCabe index (conditional complexity)

func getPathParameterNames(path string) ([]string, error) {
	var pathParameters []string

	regexObj, err := regexp.Compile(pathSegmentParamRegex)
	if err != nil {
		whisk.Debug(whisk.DbgError, "Failed to match path '%s' to regular expressions `%s`\n", path, pathSegmentParamRegex)
	} else {
		segments := strings.Split(path, "/")
		for _, segment := range segments {
			segment = fmt.Sprintf("/%s/", segment)
			matchedItems := regexObj.FindAllStringSubmatch(segment, -1)
			for _, matchedParam := range matchedItems {
				for idx, paramName := range matchedParam {
					whisk.Debug(whisk.DbgInfo, "Path parameter submatch '%v'; idx %v\n", paramName, idx)
					if idx > 0 && len(paramName) > 0 {
						pathParameters = append(pathParameters, paramName)
					}
				}
			}
		}
	}

	return pathParameters, err
}