284 void extractRole(string *roleName) {  in extractRole()  argument
287     first = roleName->find("[");  in extractRole()
288     last = roleName->find("]");  in extractRole()
291         *roleName = roleName->substr(first + 1, last - first - 1);  in extractRole()
461     string roleName;  in getCurrentRoleHelper()  local
493     if (!ReadFileToString(filename, &roleName)) {  in getCurrentRoleHelper()
498     roleName = Trim(roleName);  in getCurrentRoleHelper()
499     extractRole(&roleName);  in getCurrentRoleHelper()
501     if (roleName == "source") {  in getCurrentRoleHelper()
503     } else if (roleName == "sink") {  in getCurrentRoleHelper()
505     } else if (roleName == "host") {  in getCurrentRoleHelper()
510     } else if (roleName == "device") {  in getCurrentRoleHelper()
515     } else if (roleName != "none") {  in getCurrentRoleHelper()