RuntimeDirs.h

#ifndef CARMA_UTIL_RUNTIMEDIRS_H
#define CARMA_UTIL_RUNTIMEDIRS_H


/*
 * @file
 *
 * Class to get all of the runtime directories for a carma Program.
 * Contains only static methods.
 *
 * @author Original:Steve Scott 
 * $id: $
 *
 * $CarmaCopyright$
 *
 */




namespace carma {
    namespace util { 


class RuntimeDirs {
public:
     
    static std::string getConfFile(const std::string& programName,
            const std::string& confFilename);
            
    static std::string getConfDir(const std::string& programName);
      
    static std::string getRootDir(const std::string& programName);

    static std::string getExecutableDir(const std::string& programName);
      
    static std::string getExecutable(const std::string& programName);
    
private:
    // Disable construction.
    RuntimeDirs();
    /*
     * Get the full path to the executable, using bash "which" command
     * @param programName as invoked (e.g. arg0)
     * @return canonicalized full path binary filename
     */
    static std::string findExecutable(const std::string& programName); 
    /*
     * @throws ErrorException if realpath() fails
     */
    static std::string canonicalize(const std::string& filename);
    // Like basename() and dirname() except for strings rather than char*'s
    static std::string basenameString(const std::string& filename);
    static std::string dirnameString(const std::string& filename);
    // Lop off any trailing slashes
    static std::string trim(const std::string& filename);

};

}}  // End namespace carma::util

#endif  // CARMA_UTIL_RUNTIMEDIRS_H