/Users/jst/src/grafalgo/cpp/include/Exceptions.h

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#ifndef EXCEPTIONS_H
#define EXCEPTIONS_H

using namespace std;

namespace grafalgo {

class Exception {
public:
        Exception(const string& s) { xStr = "Exception: " + s; }

        string& toString(string& s) { s = xStr; return s; }

        friend ostream& operator<<(ostream& out, Exception& e) {
                string s; return out << e.toString(s);
        }

protected:
        string xStr; 
};

class IllegalArgumentException : public Exception {
public:
        IllegalArgumentException(string& s) :
                Exception("IllegalArgumentException: " + s) {
                        cerr << s;
                }
};

class OutOfSpaceException : public Exception {
public:
        OutOfSpaceException(string& s) :
                Exception("OutOfSpaceException: " + s) {
                        cerr << s;
                }
};

class InputException : public Exception {
public:
        InputException(string& s) : Exception("InputException: " + s) {
                        cerr << s;
                }
};

} // ending namespace
#endif