Parameters.h

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#ifndef PARAMETERS_H_
#define PARAMETERS_H_

#include <string>

#include "spear/Wide.h"
#include "spear/StringMap.h"

namespace spear {

class Parameters {

 public:
    
    static void read(const std::string & file, bool overwrite = false);

    static int read(int argc, char ** argv);

    static void display(OStream & os);

    static void set(
        const String &name,
        const String &value
        )
    {
        _parameters.set(name.c_str(), value);
    }

    static bool get(
        const String& name,
        String&       value,
        bool          useEnvironment = true
        );

#ifdef USE_UNICODE

    static bool get(
        const String&  name,
        std::string&   value,
        bool           useEnvironment = true
        );
#endif

    static bool get(
        const String&  name,
        double&        value,
        bool           useEnvironment = true
        );

    static bool get(
        const String&  name,
        int&           value,
        bool           useEnvironment = true
        );

    static bool contains(const String & name)
    { 
        return _parameters.contains(name.c_str());
    }

private:

    static bool readNameValue(
        const String&  arg, 
        String&        name,
        String&        value,
        bool           defaultValue = false
        );

    static bool substitute(
        const String&  raw,
        String&        value);

    static int findQuote(
        const String&  input,
        int            offset);

    static spear::StringMap<String> _parameters;
};

}

#endif