#include<stdio.h>
#include<stdlib.h>


void keys(FILE* f, FILE* g, int** keyLenght, int* keyIndex)
{
  int keyFlag = 1, stringFlag = 0, currentKeyLength;
  char x = 0;

  while(x != '}'){
    x = getc(f);
    
    //if a key follows
    if(x == ','){
      keyFlag = 1;
      currentKeyLength = 0;
    }
    //if the value of a key follows
    else if(x == ':'){
      keyFlag = 0;
      fprintf(g, ",");
      
      //(*keyLenght) = (int*)realloc((*keyLenght), ((*keyIndex) + 1) * sizeof(int));
      (*keyLenght)[*keyIndex] = currentKeyLength;
      
      (*keyIndex)++;
    }
    //if a string begins or ends
    else if(x == '"'){
      if(stringFlag){
	stringFlag = 0;
      }
      else{
	stringFlag = 1;
      }
    }
    //if x is a char
    else{
      if(keyFlag && stringFlag){
	fprintf(g, "%c", x);
	currentKeyLength++;
      }
    }
  }
  fprintf(g, "\n");
}


void CSV(FILE* f, FILE* g, int* keyLenght, int keyIndex)
{
  int valueFlag = 0, objectFlag = 0, stringFlag = 0, currentObjectKey = 0;
  char x = 0;

  while(x != ']'){
    x = getc(f);
    
    if(x == '{'){
      objectFlag = 1;
      currentObjectKey = 0;
    }
    else if(x == '}'){
      objectFlag = 0;
      
      fprintf(g, ",");
    }
    else if(x == '"'){
      if(stringFlag){
	stringFlag = 0;
      }
      else{
	stringFlag = 1;
	
	if(!valueFlag){
	  int i;
	  for(i = 0; i < keyLenght[currentObjectKey]; i++){
	    x = getc(f);
	  }
	}
      }
    }
    else if(x == ':'){
      valueFlag = 1;
    }
    else if(x == ','){
      valueFlag = 0;
      currentObjectKey++;
      
      if(objectFlag){
	fprintf(g, ",");
      }
      else{
	fprintf(g, "\n");
      }
    }
    else if(x == ']'){
      objectFlag = 0;
      valueFlag = 0;
    }
    else{
      if(valueFlag && stringFlag && x > 0){
	fprintf(g, "%c", x);
      }
      else if(valueFlag && x != ' ' && x > 0){
	fprintf(g, "%c", x);
      }
    }
  }
}


int main()
{
  //open the files
  FILE* f = fopen("convertor.in", "r");
  FILE* g = fopen("convertor.out", "w");
  
  
  //get the keys
  int* keyLenght = NULL, keyIndex = 0;
  keyLenght = (int*)realloc(keyLenght, (100 * sizeof(int)));
  keys(f, g, &keyLenght, &keyIndex);

  //restart the position of the pointer in the file
  fclose(f);
  FILE* h = fopen("convertor.in", "r");

  //start getting the objects and teir values
  CSV(h, g, keyLenght, keyIndex);

  //close the files
  fclose(g);
  fclose(h);
  
  //free the memory
  free(keyLenght);

  return 0;
}