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#include <iostream>
#include <fstream>
#include <string>
#include <string.h>
#include <list>
using namespace std;
list<string> get_keys(string input_string){
input_string = input_string.erase(0,1);
list<string> keys;
std::size_t found = 0;
std::size_t start = 0;
string str_final = "\":";
string str_inceput = "\"";
while (found!=std::string::npos )
{
found = input_string.find(str_final);
if( found != start){
string object = input_string.substr(start,found);
std::size_t found2 = object.rfind(str_inceput);
object = object.substr(found2+1,found);
if( found < input_string.size())
keys.push_back(object);
input_string = input_string.erase(start,found+4);
}
}
return keys;
}
list<string> from_string_to_objects(string input_string){
list<string> objects;
std::size_t found = 0;
std::size_t start = 0;
while (found!=std::string::npos )
{
found = input_string.find("},");
if( found != start){
string object = input_string.substr(start,found);
objects.push_back(object);
input_string = input_string.erase(start,found+4);
}
}
return objects;
}
bool test_cifra(char c){
switch(c){
case '0':
return true;
break;
case '1':
return true;
break;
case '2':
return true;
break;
case '3':
return true;
break;
case '4':
return true;
break;
case '5':
return true;
break;
case '6':
return true;
break;
case '7':
return true;
break;
case '8':
return true;
break;
case '9':
return true;
default: return false;
}
}
list<string> get_values(string str, list<string> keys){
list<string> values;
std::size_t found_key1 = 0;
int key1_length = 0;
for (std::list<string>::iterator it=keys.begin(); it != keys.end(); ++it){
string key = *it;
std::size_t found_key2 = str.find(key);
string value = str.substr(found_key1 + key1_length,found_key2 - found_key1 - key1_length);
if (value != "\""){
values.push_back(value);
}
found_key1 = found_key2;
key1_length = key.size();
}
string value = str.substr(found_key1 + key1_length, str.size());
values.push_back(value);
for (std::list<string>::iterator it=values.begin(); it != values.end(); ++it){
std::size_t found = (*it).find(":");
(*it).erase(0,found+1);
}
for (std::list<string>::iterator it=values.begin(); it != values.end(); ++it){
std::size_t found_first = (*it).find("\"");
std::size_t found_second = (*it).find("\"",found_first + 1);
if ( found_second <= (*it).size() ){
*it = (*it).substr(found_first+1,found_second-found_first-1);
}
else{
string aux = *it;
string cifra;
for ( std::string::iterator it_string=aux.begin(); it_string!=aux.end(); ++it_string){
if(test_cifra(*it_string) ){
cifra += *it_string;
}
}
*it = cifra;
}
}
return values;
}
list<list<string> > get_list_of_values(list<string> objects,list<string> keys){
list<list<string> > list_values;
while (!objects.empty())
{
//std::cout << ' ' << objects.front()<<endl;
list<string> values = get_values(objects.front(),keys);
objects.pop_front();
list_values.push_back(values);
}
return list_values;
}
void cvs_write(list<string> keys,list<list<string> > list_values){
ofstream output_file("convertor.out");
output_file<<"id,";
while (!keys.empty()){
output_file<<keys.front()<<",";
keys.pop_front();
}
output_file<<"\n";
int n = list_values.size();
int i = 1;
while (!list_values.empty()){
list<string> values = list_values.front();
output_file<<i<<",";
while (!values.empty()){
output_file<<values.front()<<",";
values.pop_front();
}
if(i<n){
output_file<<"\n";
}
i++;
list_values.pop_front();
}
output_file.close();
}
string json_read(){
string line,input_string;
ifstream input_file("convertor.in");
while ( getline (input_file,line) ){
input_string += line;
//output_file<<line<<"\n";
}
input_string = input_string.erase(0,4);
int n = input_string.size();
input_string = input_string.erase(n-3);
input_file.close();
return input_string;
}
int main () {
string input_string = json_read();
list<string> objects = from_string_to_objects(input_string);
list<string> keys = get_keys(objects.front());
list<list<string> > list_values = get_list_of_values(objects,keys);
cvs_write(keys,list_values);
return 0;
}