#include "Ergasia1.h"
#include "Feature.h"
 
using namespace std;
 
Ergasia1::Ergasia1()
{
#ifdef DEVEL
	tst= "../../";
#else 
	tst= "./";
#endif
 
	bool AllOK= FillvsKeys();
	if (AllOK) {
		GetFiles(LING);
		GetFiles(SPAM);
		ShowData();
	}
	else 
		cout << "Incorrect Installation!" << endl;
}
 
const void Ergasia1::AnalyzeFile(const string fn) {
	string fname= fn.substr(tst.length());
	size_t pos= fname.find_first_of("/");
	string kind= "";
	if (pos != string::npos)
		kind= fname.substr(0, pos);
	int KeywordsFound= 0;
	ifstream ifs(fn.c_str());	
  if (ifs.is_open()) {
		n++;
		vector<Feature> vf; 
 
		while (! ifs.eof()) {
			string line;
			getline(ifs, line);
 
			for (unsigned int i= 0; i < vsKeys.size(); i++) {
				string key= vsKeys[i];
				if (line.find(key) != string::npos) {
					bool found= false;
					for (unsigned int j= 0; j < vf.size(); j++) 
						if (vf[j].getDescription().compare(key) == 0) {
 
							int x= vf[j].getFrequency();
							vf[j].setFrequency(++x);
							found= true;
							break;
						}
					if (! found) {
 
						Feature *f= new Feature(i, 1, key);
						vf.push_back(*f);
						KeywordsFound++; 
					}
				}				
			}
    }
    ifs.close();
		ostringstream osst;
		osst << "<message file=\"" << fname <<"\" category=\"" << kind << "\" features=\"" << KeywordsFound << "\">";
		vsStream.push_back(osst.str());
		osst.flush();
		for (unsigned int i= 0; i < vf.size(); i++) {
			ostringstream ossb;	
			ossb << "<feature id=\"" << vf[i].getId() << "\" freq=\"" << vf[i].getFrequency() << "\"> " << vf[i].getDescription() << " </feature>";
			vsStream.push_back(ossb.str());
			ossb.flush();
		}
		ostringstream osse;
		osse << "</message>";
		osse.flush();
 
	}
}
 
const void Ergasia1::GetFiles(const string Kind) {
	string s= tst + Kind + FILENAME;//"_filenames.txt";
	ifstream ifs(s.c_str());	
  if (ifs.is_open()) {
    while (! ifs.eof()) {
      string line;
			getline(ifs, line);
			AnalyzeFile(tst + line);
    }
    ifs.close();
  }
}
 
const bool Ergasia1::FillvsKeys() {
	bool result= true;
	string s= tst + KEYWORDS;
	n= 0;
	ifstream ifs(s.c_str());	
  if (ifs.is_open()) {
    while (! ifs.eof()) {
      string line;
			getline(ifs, line);
			vsKeys.push_back(line);
    }
	}
	else
		result= false;
  ifs.close();
	return result;
}
 
const void Ergasia1::ShowData() {
	cout << "<messagecollection messages=\"" << n << "\">" << endl;
	for(unsigned int i= 0; i < vsStream.size(); i++)
		cout << vsStream[i] << endl;
	cout << "</messagecollection>" << endl;
}
 
int main(int argc, char **argv) {
	Ergasia1 e;
	return 0;
}

#include <fstream>
#include <string>
#include <vector>
#include <iostream>
#include <sstream>
 
#ifdef _DEBUG
#define DEVEL
#endif
 
using namespace std;
 
#ifndef FILENAME
#define FILENAME "_filenames.txt";
#endif
 
#ifndef KEYWORDS
#define KEYWORDS "keywords.txt"
#endif
 
#ifndef LING
#define LING "ling"
#endif
 
#ifndef SPAM
#define SPAM "spam"
#endif
 
#ifndef ERGASIA1_H
#define ERGASIA1_H
 
class Ergasia1
{
private:
	int n;	
	string tst;
	//static const string FileName;
	vector<string> vsKeys;
	vector<string> vsStream;
	const void AnalyzeFile(const string fn);
	const void GetFiles(const string Kind);
	const bool FillvsKeys();
	const void ShowData();
 
public:
	Ergasia1();
}
#endif 
//ERGASIA1_H
 
int main(int argc, char **argv);

#include "Feature.h"
 
void Feature::setId(int i) {
	Id= i;
}
 
void Feature::setFrequency(int f) {
	Frequency= f;
}
 
void Feature::setDescription(const string d) {
	Description= d;
}
 
int Feature::getId() {
	return Id;
}
 
int Feature::getFrequency() {
	return Frequency;
}
 
string Feature::getDescription() {
	return Description;
}
 
Feature::Feature(int i, int f, const string d) {
	setId(i);
	setFrequency(f);
	setDescription(d);
}

#include <iostream>
using namespace std;
#ifndef FEATURE_H
#define FEATURE_H
 
class Feature {
private:
	int Id;
	int Frequency;
	string Description;
public: 
	void setId(int i);
	void setFrequency(int f);
	void setDescription(const string d);
	int getId();
	int getFrequency();
	string getDescription();
	Feature(int i, int f, const string d);
}
#endif 
//FEATURE_H

#define FILENAME "_filenames.txt";

class Feature {
private:
	int Id;
	int Frequency;
	string Description;
public: 
	void setId(int i);
	void setFrequency(int f);
	void setDescription(const string d);
	int getId();
	int getFrequency();
	string getDescription();
	Feature(int i, int f, const string d);
};     <-------------- (and in your other header too)