filter.cpp

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/*
This file expect the output of parser.cpp
This code filter the output only printing the files similar to files that contains a given pattern passed as argc
The code filter every file that has the pattern as a substring, so be carefull with duplications
*/
 
#include <bits/stdc++.h> 
using namespace std;
 
 
bool matches(string text, string pattern){
    return text.find(pattern) != string::npos;
}
 
void filter(string file_name){
    int number_comparations;
    cin >> number_comparations;
 
    set<pair<string,double>> similar_files;
    
    for(int i = 0; i < number_comparations; i++){
        vector<string> files_compared(2);
        double similarity;
 
        cin >> files_compared[0] >> files_compared[1];
        cin >> similarity;
        
        for(int j = 0; j < 2; j++){
            string file1 = files_compared[j];
            string file2 = files_compared[j^1];
            
            if(matches(file1,file_name)){
                similar_files.insert(make_pair(file2,similarity));
            }
        }
    }
 
    for(auto [similar_file,similarity] : similar_files){
        cout << similar_file << ' ';
        cout << fixed << setprecision(2) << similarity << endl;
    }
}
 
 
 
int main(int argc, char *argv[]){
    if(argc <= 1){
        cout << "Erro: Expect the name of the file to be filtred, but none has given" << endl;
        return 0;
    }
    string pattern(argv[1]);
    filter(pattern);
    return 0;
}