ParserExceptions.h

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/*
 * ParserExceptions.h
 *
 *  Created on: Dec 1, 2013
 *      Author: dan
 */

#ifndef PARSEREXCEPTIONS_H_
#define PARSEREXCEPTIONS_H_

#include <sstream>
#include <iostream>
#include <stdio.h>
#include <string.h>
#include <errno.h>

using namespace std;

class ParserException{
protected:
    int _line;
    int _position;

        ParserException(std::string desc="", int line = 0, int position = 0)
        : desc(desc), _line(line), _position(position) { };
        virtual ~ParserException(){};
        std::string desc;
public:
        std::string what() const {
            stringstream ss;
            ss << desc;

            if (_line > 0 && _position > 0)
                ss << endl << "Line: " << _line << ", position: " << _position;

            return ss.str();
        }

        template <class A>
        ParserException& operator<<(const A& a){
                std::stringstream s;
                s<<a;
                desc += s.str();
                return *this;
        }
};

class UnexpectedEndOfFile : public ParserException {
public:
    UnexpectedEndOfFile(string expectedString = "", int line = 0, int position = 0)
        : ParserException("Expected string '" + expectedString + "' not found", line, position) { }
};

class ClosingBracketNotFound : public ParserException {
public:
    ClosingBracketNotFound() : ParserException("Closing bracket not found") { }
};

class UnexpectedToken: public ParserException {
public:
    UnexpectedToken(string character, string expectedToken = "", int line = 0, int position = 0)
        : ParserException("Unexpected character: '" + character + "', expected: '" + expectedToken + "'", line, position) { }
};

class PEFileNotFound:public ParserException{
public:
        PEFileNotFound(std::string filename):ParserException("File "+filename+" does not found. ")
        {
                (*this)<<"\n\tIOError: "<<strerror( errno );
        }
};

class PEFileNotCreated:public ParserException{
public:
        PEFileNotCreated(std::string filename):ParserException("File "+filename+" cann't be open. ")
        {
                (*this)<<"\n\tIOError: "<<strerror( errno );
        }
};

#endif /* PARSEREXCEPTIONS_H_ */