ahocor.cpp

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/* MAINTAINER: Bernard */

/* Aoutomat for cutting _(" ... ") from input stream */

#include <iostream>
#include <string>


using namespace std;


int main(int argc, char* argv[])
{
        int     state = 0; // state of automat
        string  s = "";    // what translate
        char c; // current character

        while (cin)
        {
                cin.get(c);

//              cout << "Trace1: c=" << c << " s=" << s << " state=" << state << endl;
                
                if (c == '\n') 
                { 
                        state = 0; s="";
                        continue; 
                }
                
                switch (state)
                {
                case 0:
                        if (c == '_') state = 1;
                        break;
                case 1:
                        if (c == '(') { state = 2; break; }
                        if (c == ' ' || c == '\t') break;
                        state = 0;
                        s = "";
                        break;
                case 2:
                        if (c == '"') { state = 3; break; }
                        if (c == ' ' || c == '\t') break;
                        state = 0;
                        s = "";
                        break;
                case 3:
                        if (c == '"') { state = 4; break; }
                        if (c == '\\')
                        {
                                s += c;
                                cin.get(c);
                        }
                        s += c;
                        break;
                case 4:
                        if (c == ' ' || c == '\t') break;
                        if (c == ')') 
                        { 
                                cout << s << endl;
                        }
                        state = 0;
                        s = "";
                        break;
        
                }
        }

}

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